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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 

Pull networking fixes from David Miller:
 "It looks like a sizeble collection but this is nearly 3 weeks of bug
  fixing while you were away.

   1) Fix crashes over IPSEC tunnels with NAT, the latter can reroute
      the packet through a non-IPSEC protected path and the code has to
      be able to handle SKBs attached to routes lacking an attached xfrm
      state.  From Steffen Klassert.

   2) Fix OOPSs in ipv4 and ipv6 ipsec layers for unsupported
      sub-protocols, also from Steffen Klassert.

   3) Set local_df on fragmented netfilter skbs otherwise we won't be
      able to forward successfully, from Florian Westphal.

   4) cdc_mbim ipv6 neighbour code does __vlan_find_dev_deep without
      holding RCU lock, from Bjorn Mork.

   5) local_df test in ip_may_fragment is inverted, from Florian
      Westphal.

   6) jme driver doesn't check for DMA mapping failures, from Neil
      Horman.

   7) qlogic driver doesn't calculate number of TX queues properly, from
      Shahed Shaikh.

   8) fib_info_cnt can drift irreversibly positive if we fail to
      allocate the fi->fib_metrics array, from Sergey Popovich.

   9) Fix use after free in ip6_route_me_harder(), also from Sergey
      Popovich.

  10) When SYSCTL is disabled, we don't handle local_port_range and
      ping_group_range defaults properly at all, from Cong Wang.

  11) Unaccelerated VLAN tagged frames improperly handled by cdc_mbim
      driver, fix from Bjorn Mork.

  12) cassini driver needs nested lock annotations for TX locking, from
      Emil Goode.

  13) On init error ipv6 VTI driver can unregister pernet ops twice,
      oops.  Fix from Mahtias Krause.

  14) If macvlan device is down, don't propagate IFF_ALLMULTI changes,
      from Peter Christensen.

  15) Missing NULL pointer check while parsing netlink config options in
      ip6_tnl_validate().  From Susant Sahani.

  16) Fix handling of neighbour entries during ipv6 router reachability
      probing, from Duan Jiong.

  17) x86 and s390 JIT address randomization has some address
      calculation bugs leading to crashes, from Alexei Starovoitov and
      Heiko Carstens.

  18) Clear up those uglies with nop patching and net_get_random_once(),
      from Hannes Frederic Sowa.

  19) Option length miscalculated in ip6_append_data(), fix also from
      Hannes Frederic Sowa.

  20) A while ago we fixed a race during device unregistry when a
      namespace went down, turns out there is a second place that needs
      similar protection.  From Cong Wang.

  21) In the new Altera TSE driver multicast filtering isn't working,
      disable it and just use promisc mode until the cause is found.
      From Vince Bridgers.

  22) When we disable router enabling in ipv6 we have to flush the
      cached routes explicitly, from Duan Jiong.

  23) NBMA tunnels should not cache routes on the tunnel object because
      the key is variable, from Timo Teräs.

  24) With stacked devices GRO information in skb->cb[] can be not setup
      properly, make sure it is in all code paths.  From Eric Dumazet.

  25) Really fix stacked vlan locking, multiple levels of nesting with
      intervening non-vlan devices are possible.  From Vlad Yasevich.

  26) Fallback ipip tunnel device's mtu is not setup properly, from
      Steffen Klassert.

  27) The packet scheduler's tcindex filter can crash because we
      structure copy objects with list_head's inside, oops.  From Cong
      Wang.

  28) Fix CHECKSUM_COMPLETE handling for ipv6 GRE tunnels, from Eric
      Dumazet.

  29) In some configurations 'itag' in __mkroute_input() can end up
      being used uninitialized because of how fib_validate_source()
      works.  Fix it by explitly initializing itag to zero like all the
      other fib_validate_source() callers do, from Li RongQing"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits)
  batman: fix a bogus warning from batadv_is_on_batman_iface()
  ipv4: initialise the itag variable in __mkroute_input
  bonding: Send ALB learning packets using the right source
  bonding: Don't assume 802.1Q when sending alb learning packets.
  net: doc: Update references to skb->rxhash
  stmmac: Remove unbalanced clk_disable call
  ipv6: gro: fix CHECKSUM_COMPLETE support
  net_sched: fix an oops in tcindex filter
  can: peak_pci: prevent use after free at netdev removal
  ip_tunnel: Initialize the fallback device properly
  vlan: Fix build error wth vlan_get_encap_level()
  can: c_can: remove obsolete STRICT_FRAME_ORDERING Kconfig option
  MAINTAINERS: Pravin Shelar is Open vSwitch maintainer.
  bnx2x: Convert return 0 to return rc
  bonding: Fix alb mode to only use first level vlans.
  bonding: Fix stacked device detection in arp monitoring
  macvlan: Fix lockdep warnings with stacked macvlan devices
  vlan: Fix lockdep warning with stacked vlan devices.
  net: Allow for more then a single subclass for netif_addr_lock
  net: Find the nesting level of a given device by type.
  ...
hifive-unleashed-5.1
Linus Torvalds 2014-05-23 15:29:43 -07:00
parent f02f79dbcb b6ed549860
commit 5fa6a683c0
131 changed files with 2382 additions and 929 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/net/mdio-gpio.txt
View File

@ -14,7 +14,7 @@ node.
Example:
aliases {
mdio-gpio0 = <&mdio0>;
mdio-gpio0 = &mdio0;
};
mdio0: mdio {

2
Documentation/networking/filter.txt
View File

@ -277,7 +277,7 @@ Possible BPF extensions are shown in the following table:
mark skb->mark
queue skb->queue_mapping
hatype skb->dev->type
rxhash skb->rxhash
rxhash skb->hash
cpu raw_smp_processor_id()
vlan_tci vlan_tx_tag_get(skb)
vlan_pr vlan_tx_tag_present(skb)

2
Documentation/networking/packet_mmap.txt
View File

@ -578,7 +578,7 @@ processes. This also works in combination with mmap(2) on packet sockets.
Currently implemented fanout policies are:
- PACKET_FANOUT_HASH: schedule to socket by skb's rxhash
- PACKET_FANOUT_HASH: schedule to socket by skb's packet hash
- PACKET_FANOUT_LB: schedule to socket by round-robin
- PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
- PACKET_FANOUT_RND: schedule to socket by random selection

4
MAINTAINERS
View File

@ -6514,10 +6514,10 @@ T: git git://openrisc.net/~jonas/linux
F: arch/openrisc/
OPENVSWITCH
M: Jesse Gross <jesse@nicira.com>
M: Pravin Shelar <pshelar@nicira.com>
L: dev@openvswitch.org
W: http://openvswitch.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/pshelar/openvswitch.git
S: Maintained
F: net/openvswitch/

2
arch/s390/net/bpf_jit_comp.c
View File

@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize,
return NULL;
memset(header, 0, sz);
header->pages = sz / PAGE_SIZE;
hole = sz - (bpfsize + sizeof(*header));
hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header));
/* Insert random number of illegal instructions before BPF code
* and make sure the first instruction starts at an even address.
*/

2
arch/x86/net/bpf_jit_comp.c
View File

@ -171,7 +171,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen,
memset(header, 0xcc, sz); /* fill whole space with int3 instructions */
header->pages = sz / PAGE_SIZE;
hole = sz - (proglen + sizeof(*header));
hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header));
/* insert a random number of int3 instructions before BPF code */
*image_ptr = &header->image[prandom_u32() % hole];

67
drivers/infiniband/hw/mlx4/main.c
View File

@ -48,6 +48,7 @@
#include <linux/mlx4/driver.h>
#include <linux/mlx4/cmd.h>
#include <linux/mlx4/qp.h>
#include "mlx4_ib.h"
#include "user.h"
@ -1614,6 +1615,53 @@ static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
}
#endif
#define MLX4_IB_INVALID_MAC ((u64)-1)
static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
struct net_device *dev,
int port)
{
u64 new_smac = 0;
u64 release_mac = MLX4_IB_INVALID_MAC;
struct mlx4_ib_qp *qp;
read_lock(&dev_base_lock);
new_smac = mlx4_mac_to_u64(dev->dev_addr);
read_unlock(&dev_base_lock);
mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
qp = ibdev->qp1_proxy[port - 1];
if (qp) {
int new_smac_index;
u64 old_smac = qp->pri.smac;
struct mlx4_update_qp_params update_params;
if (new_smac == old_smac)
goto unlock;
new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
if (new_smac_index < 0)
goto unlock;
update_params.smac_index = new_smac_index;
if (mlx4_update_qp(ibdev->dev, &qp->mqp, MLX4_UPDATE_QP_SMAC,
&update_params)) {
release_mac = new_smac;
goto unlock;
}
qp->pri.smac = new_smac;
qp->pri.smac_index = new_smac_index;
release_mac = old_smac;
}
unlock:
mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
if (release_mac != MLX4_IB_INVALID_MAC)
mlx4_unregister_mac(ibdev->dev, port, release_mac);
}
static void mlx4_ib_get_dev_addr(struct net_device *dev,
struct mlx4_ib_dev *ibdev, u8 port)
{
@ -1689,9 +1737,13 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
return 0;
}
static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
struct net_device *dev,
unsigned long event)
{
struct mlx4_ib_iboe *iboe;
int update_qps_port = -1;
int port;
iboe = &ibdev->iboe;
@ -1719,6 +1771,11 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
}
curr_master = iboe->masters[port - 1];
if (dev == iboe->netdevs[port - 1] &&
(event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
event == NETDEV_UP || event == NETDEV_CHANGE))
update_qps_port = port;
if (curr_netdev) {
port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
IB_PORT_ACTIVE : IB_PORT_DOWN;
@ -1752,6 +1809,9 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
}
spin_unlock(&iboe->lock);
if (update_qps_port > 0)
mlx4_ib_update_qps(ibdev, dev, update_qps_port);
}
static int mlx4_ib_netdev_event(struct notifier_block *this,
@ -1764,7 +1824,7 @@ static int mlx4_ib_netdev_event(struct notifier_block *this,
return NOTIFY_DONE;
ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
mlx4_ib_scan_netdevs(ibdev);
mlx4_ib_scan_netdevs(ibdev, dev, event);
return NOTIFY_DONE;
}
@ -2043,6 +2103,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
goto err_map;
for (i = 0; i < ibdev->num_ports; ++i) {
mutex_init(&ibdev->qp1_proxy_lock[i]);
if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
IB_LINK_LAYER_ETHERNET) {
err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]);
@ -2126,7 +2187,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
for (i = 1 ; i <= ibdev->num_ports ; ++i)
reset_gid_table(ibdev, i);
rtnl_lock();
mlx4_ib_scan_netdevs(ibdev);
mlx4_ib_scan_netdevs(ibdev, NULL, 0);
rtnl_unlock();
mlx4_ib_init_gid_table(ibdev);
}

3
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -522,6 +522,9 @@ struct mlx4_ib_dev {
int steer_qpn_count;
int steer_qpn_base;
int steering_support;
struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
/* lock when destroying qp1_proxy and getting netdev events */
struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
};
struct ib_event_work {

8
drivers/infiniband/hw/mlx4/qp.c
View File

@ -1132,6 +1132,12 @@ int mlx4_ib_destroy_qp(struct ib_qp *qp)
if (is_qp0(dev, mqp))
mlx4_CLOSE_PORT(dev->dev, mqp->port);
if (dev->qp1_proxy[mqp->port - 1] == mqp) {
mutex_lock(&dev->qp1_proxy_lock[mqp->port - 1]);
dev->qp1_proxy[mqp->port - 1] = NULL;
mutex_unlock(&dev->qp1_proxy_lock[mqp->port - 1]);
}
pd = get_pd(mqp);
destroy_qp_common(dev, mqp, !!pd->ibpd.uobject);
@ -1646,6 +1652,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
err = handle_eth_ud_smac_index(dev, qp, (u8 *)attr->smac, context);
if (err)
return -EINVAL;
if (qp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI)
dev->qp1_proxy[qp->port - 1] = qp;
}
}
}

54
drivers/net/bonding/bond_alb.c
View File

@ -82,7 +82,8 @@ static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
}
/* Forward declaration */
static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]);
static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
bool strict_match);
static void rlb_purge_src_ip(struct bonding *bond, struct arp_pkt *arp);
static void rlb_src_unlink(struct bonding *bond, u32 index);
static void rlb_src_link(struct bonding *bond, u32 ip_src_hash,
@ -459,7 +460,7 @@ static void rlb_teach_disabled_mac_on_primary(struct bonding *bond, u8 addr[])
bond->alb_info.rlb_promisc_timeout_counter = 0;
alb_send_learning_packets(bond->curr_active_slave, addr);
alb_send_learning_packets(bond->curr_active_slave, addr, true);
}
/* slave being removed should not be active at this point
@ -995,7 +996,7 @@ static void rlb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
/*********************** tlb/rlb shared functions *********************/
static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
u16 vid)
__be16 vlan_proto, u16 vid)
{
struct learning_pkt pkt;
struct sk_buff *skb;
@ -1021,7 +1022,7 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
skb->dev = slave->dev;
if (vid) {
skb = vlan_put_tag(skb, htons(ETH_P_8021Q), vid);
skb = vlan_put_tag(skb, vlan_proto, vid);
if (!skb) {
pr_err("%s: Error: failed to insert VLAN tag\n",
slave->bond->dev->name);
@ -1032,22 +1033,32 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
dev_queue_xmit(skb);
}
static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[])
static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
bool strict_match)
{
struct bonding *bond = bond_get_bond_by_slave(slave);
struct net_device *upper;
struct list_head *iter;
/* send untagged */
alb_send_lp_vid(slave, mac_addr, 0);
alb_send_lp_vid(slave, mac_addr, 0, 0);
/* loop through vlans and send one packet for each */
rcu_read_lock();
netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
if (upper->priv_flags & IFF_802_1Q_VLAN)
alb_send_lp_vid(slave, mac_addr,
vlan_dev_vlan_id(upper));
if (is_vlan_dev(upper) && vlan_get_encap_level(upper) == 0) {
if (strict_match &&
ether_addr_equal_64bits(mac_addr,
upper->dev_addr)) {
alb_send_lp_vid(slave, mac_addr,
vlan_dev_vlan_proto(upper),
vlan_dev_vlan_id(upper));
} else if (!strict_match) {
alb_send_lp_vid(slave, upper->dev_addr,
vlan_dev_vlan_proto(upper),
vlan_dev_vlan_id(upper));
}
}
}
rcu_read_unlock();
}
@ -1107,7 +1118,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
/* fasten the change in the switch */
if (SLAVE_IS_OK(slave1)) {
alb_send_learning_packets(slave1, slave1->dev->dev_addr);
alb_send_learning_packets(slave1, slave1->dev->dev_addr, false);
if (bond->alb_info.rlb_enabled) {
/* inform the clients that the mac address
* has changed
@ -1119,7 +1130,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
}
if (SLAVE_IS_OK(slave2)) {
alb_send_learning_packets(slave2, slave2->dev->dev_addr);
alb_send_learning_packets(slave2, slave2->dev->dev_addr, false);
if (bond->alb_info.rlb_enabled) {
/* inform the clients that the mac address
* has changed
@ -1490,6 +1501,8 @@ void bond_alb_monitor(struct work_struct *work)
/* send learning packets */
if (bond_info->lp_counter >= BOND_ALB_LP_TICKS(bond)) {
bool strict_match;
/* change of curr_active_slave involves swapping of mac addresses.
* in order to avoid this swapping from happening while
* sending the learning packets, the curr_slave_lock must be held for
@ -1497,8 +1510,15 @@ void bond_alb_monitor(struct work_struct *work)
*/
read_lock(&bond->curr_slave_lock);
bond_for_each_slave_rcu(bond, slave, iter)
alb_send_learning_packets(slave, slave->dev->dev_addr);
bond_for_each_slave_rcu(bond, slave, iter) {
/* If updating current_active, use all currently
* user mac addreses (!strict_match). Otherwise, only
* use mac of the slave device.
*/
strict_match = (slave != bond->curr_active_slave);
alb_send_learning_packets(slave, slave->dev->dev_addr,
strict_match);
}
read_unlock(&bond->curr_slave_lock);
@ -1721,7 +1741,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
} else {
/* set the new_slave to the bond mac address */
alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);
alb_send_learning_packets(new_slave, bond->dev->dev_addr);
alb_send_learning_packets(new_slave, bond->dev->dev_addr,
false);
}
write_lock_bh(&bond->curr_slave_lock);
@ -1764,7 +1785,8 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr);
read_lock(&bond->lock);
alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
alb_send_learning_packets(bond->curr_active_slave,
bond_dev->dev_addr, false);
if (bond->alb_info.rlb_enabled) {
/* inform clients mac address has changed */
rlb_req_update_slave_clients(bond, bond->curr_active_slave);

134
drivers/net/bonding/bond_main.c
View File

@ -2126,10 +2126,10 @@ static bool bond_has_this_ip(struct bonding *bond, __be32 ip)
*/
static void bond_arp_send(struct net_device *slave_dev, int arp_op,
__be32 dest_ip, __be32 src_ip,
struct bond_vlan_tag *inner,
struct bond_vlan_tag *outer)
struct bond_vlan_tag *tags)
{
struct sk_buff *skb;
int i;
pr_debug("arp %d on slave %s: dst %pI4 src %pI4\n",
arp_op, slave_dev->name, &dest_ip, &src_ip);
@ -2141,21 +2141,26 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
net_err_ratelimited("ARP packet allocation failed\n");
return;
}
if (outer->vlan_id) {
if (inner->vlan_id) {
pr_debug("inner tag: proto %X vid %X\n",
ntohs(inner->vlan_proto), inner->vlan_id);
skb = __vlan_put_tag(skb, inner->vlan_proto,
inner->vlan_id);
if (!skb) {
net_err_ratelimited("failed to insert inner VLAN tag\n");
return;
}
}
pr_debug("outer reg: proto %X vid %X\n",
ntohs(outer->vlan_proto), outer->vlan_id);
skb = vlan_put_tag(skb, outer->vlan_proto, outer->vlan_id);
/* Go through all the tags backwards and add them to the packet */
for (i = BOND_MAX_VLAN_ENCAP - 1; i > 0; i--) {
if (!tags[i].vlan_id)
continue;
pr_debug("inner tag: proto %X vid %X\n",
ntohs(tags[i].vlan_proto), tags[i].vlan_id);
skb = __vlan_put_tag(skb, tags[i].vlan_proto,
tags[i].vlan_id);
if (!skb) {
net_err_ratelimited("failed to insert inner VLAN tag\n");
return;
}
}
/* Set the outer tag */
if (tags[0].vlan_id) {
pr_debug("outer tag: proto %X vid %X\n",
ntohs(tags[0].vlan_proto), tags[0].vlan_id);
skb = vlan_put_tag(skb, tags[0].vlan_proto, tags[0].vlan_id);
if (!skb) {
net_err_ratelimited("failed to insert outer VLAN tag\n");
return;
@ -2164,22 +2169,52 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
arp_xmit(skb);
}
/* Validate the device path between the @start_dev and the @end_dev.
* The path is valid if the @end_dev is reachable through device
* stacking.
* When the path is validated, collect any vlan information in the
* path.
*/
static bool bond_verify_device_path(struct net_device *start_dev,
struct net_device *end_dev,
struct bond_vlan_tag *tags)
{
struct net_device *upper;
struct list_head *iter;
int idx;
if (start_dev == end_dev)
return true;
netdev_for_each_upper_dev_rcu(start_dev, upper, iter) {
if (bond_verify_device_path(upper, end_dev, tags)) {
if (is_vlan_dev(upper)) {
idx = vlan_get_encap_level(upper);
if (idx >= BOND_MAX_VLAN_ENCAP)
return false;
tags[idx].vlan_proto =
vlan_dev_vlan_proto(upper);
tags[idx].vlan_id = vlan_dev_vlan_id(upper);
}
return true;
}
}
return false;
}
static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
{
struct net_device *upper, *vlan_upper;
struct list_head *iter, *vlan_iter;
struct rtable *rt;
struct bond_vlan_tag inner, outer;
struct bond_vlan_tag tags[BOND_MAX_VLAN_ENCAP];
__be32 *targets = bond->params.arp_targets, addr;
int i;
bool ret;
for (i = 0; i < BOND_MAX_ARP_TARGETS && targets[i]; i++) {
pr_debug("basa: target %pI4\n", &targets[i]);
inner.vlan_proto = 0;
inner.vlan_id = 0;
outer.vlan_proto = 0;
outer.vlan_id = 0;
memset(tags, 0, sizeof(tags));
/* Find out through which dev should the packet go */
rt = ip_route_output(dev_net(bond->dev), targets[i], 0,
@ -2192,7 +2227,8 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
net_warn_ratelimited("%s: no route to arp_ip_target %pI4 and arp_validate is set\n",
bond->dev->name,
&targets[i]);
bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], 0, &inner, &outer);
bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
0, tags);
continue;
}
@ -2201,52 +2237,12 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
goto found;
rcu_read_lock();
/* first we search only for vlan devices. for every vlan
* found we verify its upper dev list, searching for the
* rt->dst.dev. If found we save the tag of the vlan and
* proceed to send the packet.
*/
netdev_for_each_all_upper_dev_rcu(bond->dev, vlan_upper,
vlan_iter) {
if (!is_vlan_dev(vlan_upper))
continue;
if (vlan_upper == rt->dst.dev) {
outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
rcu_read_unlock();
goto found;
}
netdev_for_each_all_upper_dev_rcu(vlan_upper, upper,
iter) {
if (upper == rt->dst.dev) {
/* If the upper dev is a vlan dev too,
* set the vlan tag to inner tag.
*/
if (is_vlan_dev(upper)) {
inner.vlan_proto = vlan_dev_vlan_proto(upper);
inner.vlan_id = vlan_dev_vlan_id(upper);
}
outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
rcu_read_unlock();
goto found;
}
}
}
/* if the device we're looking for is not on top of any of
* our upper vlans, then just search for any dev that
* matches, and in case it's a vlan - save the id
*/
netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
if (upper == rt->dst.dev) {
rcu_read_unlock();
goto found;
}
}
ret = bond_verify_device_path(bond->dev, rt->dst.dev, tags);
rcu_read_unlock();
if (ret)
goto found;
/* Not our device - skip */
pr_debug("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
bond->dev->name, &targets[i],
@ -2259,7 +2255,7 @@ found:
addr = bond_confirm_addr(rt->dst.dev, targets[i], 0);
ip_rt_put(rt);
bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
addr, &inner, &outer);
addr, tags);
}
}

1
drivers/net/bonding/bond_options.c
View File

@ -125,6 +125,7 @@ static const struct bond_opt_value bond_fail_over_mac_tbl[] = {
static const struct bond_opt_value bond_intmax_tbl[] = {
{ "off", 0, BOND_VALFLAG_DEFAULT},
{ "maxval", INT_MAX, BOND_VALFLAG_MAX},
{ NULL, -1, 0}
};
static const struct bond_opt_value bond_lacp_rate_tbl[] = {

1
drivers/net/bonding/bonding.h
View File

@ -36,6 +36,7 @@
#define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
#define BOND_MAX_VLAN_ENCAP 2
#define BOND_MAX_ARP_TARGETS 16
#define BOND_DEFAULT_MIIMON 100

7
drivers/net/can/c_can/Kconfig
View File

@ -14,13 +14,6 @@ config CAN_C_CAN_PLATFORM
SPEAr1310 and SPEAr320 evaluation boards & TI (www.ti.com)
boards like am335x, dm814x, dm813x and dm811x.
config CAN_C_CAN_STRICT_FRAME_ORDERING
bool "Force a strict RX CAN frame order (may cause frame loss)"
---help---
The RX split buffer prevents packet reordering but can cause packet
loss. Only enable this option when you accept to lose CAN frames
in favour of getting the received CAN frames in the correct order.
config CAN_C_CAN_PCI
tristate "Generic PCI Bus based C_CAN/D_CAN driver"
depends on PCI

36
drivers/net/can/c_can/c_can.c
View File

@ -732,26 +732,12 @@ static u32 c_can_adjust_pending(u32 pend)
static inline void c_can_rx_object_get(struct net_device *dev,
struct c_can_priv *priv, u32 obj)
{
#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
if (obj < C_CAN_MSG_RX_LOW_LAST)
c_can_object_get(dev, IF_RX, obj, IF_COMM_RCV_LOW);
else
#endif
c_can_object_get(dev, IF_RX, obj, priv->comm_rcv_high);
}
static inline void c_can_rx_finalize(struct net_device *dev,
struct c_can_priv *priv, u32 obj)
{
#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
if (obj < C_CAN_MSG_RX_LOW_LAST)
priv->rxmasked |= BIT(obj - 1);
else if (obj == C_CAN_MSG_RX_LOW_LAST) {
priv->rxmasked = 0;
/* activate all lower message objects */
c_can_activate_all_lower_rx_msg_obj(dev, IF_RX);
}
#endif
if (priv->type != BOSCH_D_CAN)
c_can_object_get(dev, IF_RX, obj, IF_COMM_CLR_NEWDAT);
}
@ -799,9 +785,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
{
u32 pend = priv->read_reg(priv, C_CAN_NEWDAT1_REG);
#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
pend &= ~priv->rxmasked;
#endif
return pend;
}
@ -814,25 +797,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
* has arrived. To work-around this issue, we keep two groups of message
* objects whose partitioning is defined by C_CAN_MSG_OBJ_RX_SPLIT.
*
* If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = y
*
* To ensure in-order frame reception we use the following
* approach while re-activating a message object to receive further
* frames:
* - if the current message object number is lower than
* C_CAN_MSG_RX_LOW_LAST, do not clear the NEWDAT bit while clearing
* the INTPND bit.
* - if the current message object number is equal to
* C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of all lower
* receive message objects.
* - if the current message object number is greater than
* C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of
* only this message object.
*
* This can cause packet loss!
*
* If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = n
*
* We clear the newdat bit right away.
*
* This can result in packet reordering when the readout is slow.

14
drivers/net/can/sja1000/peak_pci.c
View File

@ -551,7 +551,7 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct sja1000_priv *priv;
struct peak_pci_chan *chan;
struct net_device *dev;
struct net_device *dev, *prev_dev;
void __iomem *cfg_base, *reg_base;
u16 sub_sys_id, icr;
int i, err, channels;
@ -688,11 +688,13 @@ failure_remove_channels:
writew(0x0, cfg_base + PITA_ICR + 2);
chan = NULL;
for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
unregister_sja1000dev(dev);
free_sja1000dev(dev);
for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) {
priv = netdev_priv(dev);
chan = priv->priv;
prev_dev = chan->prev_dev;
unregister_sja1000dev(dev);
free_sja1000dev(dev);
}
/* free any PCIeC resources too */
@ -726,10 +728,12 @@ static void peak_pci_remove(struct pci_dev *pdev)
/* Loop over all registered devices */
while (1) {
struct net_device *prev_dev = chan->prev_dev;
dev_info(&pdev->dev, "removing device %s\n", dev->name);
unregister_sja1000dev(dev);
free_sja1000dev(dev);
dev = chan->prev_dev;
dev = prev_dev;
if (!dev) {
/* do that only for first channel */

12
drivers/net/ethernet/Kconfig
View File

@ -35,6 +35,18 @@ source "drivers/net/ethernet/calxeda/Kconfig"
source "drivers/net/ethernet/chelsio/Kconfig"
source "drivers/net/ethernet/cirrus/Kconfig"
source "drivers/net/ethernet/cisco/Kconfig"
config CX_ECAT
tristate "Beckhoff CX5020 EtherCAT master support"
depends on PCI
---help---
Driver for EtherCAT master module located on CCAT FPGA
that can be found on Beckhoff CX5020, and possibly other of CX
Beckhoff CX series industrial PCs.
To compile this driver as a module, choose M here. The module
will be called ec_bhf.
source "drivers/net/ethernet/davicom/Kconfig"
config DNET

1
drivers/net/ethernet/Makefile
View File

@ -21,6 +21,7 @@ obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
obj-$(CONFIG_CX_ECAT) += ec_bhf.o
obj-$(CONFIG_DM9000) += davicom/
obj-$(CONFIG_DNET) += dnet.o
obj-$(CONFIG_NET_VENDOR_DEC) += dec/

1
drivers/net/ethernet/altera/Makefile
View File

@ -5,3 +5,4 @@
obj-$(CONFIG_ALTERA_TSE) += altera_tse.o
altera_tse-objs := altera_tse_main.o altera_tse_ethtool.o \
altera_msgdma.o altera_sgdma.o altera_utils.o
ccflags-y += -D__CHECK_ENDIAN__

108
drivers/net/ethernet/altera/altera_msgdma.c
View File

@ -37,18 +37,16 @@ void msgdma_start_rxdma(struct altera_tse_private *priv)
void msgdma_reset(struct altera_tse_private *priv)
{
int counter;
struct msgdma_csr *txcsr =
(struct msgdma_csr *)priv->tx_dma_csr;
struct msgdma_csr *rxcsr =
(struct msgdma_csr *)priv->rx_dma_csr;
/* Reset Rx mSGDMA */
iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
iowrite32(MSGDMA_CSR_CTL_RESET, &rxcsr->control);
csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr,
msgdma_csroffs(status));
csrwr32(MSGDMA_CSR_CTL_RESET, priv->rx_dma_csr,
msgdma_csroffs(control));
counter = 0;
while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
if (tse_bit_is_clear(&rxcsr->status,
if (tse_bit_is_clear(priv->rx_dma_csr, msgdma_csroffs(status),
MSGDMA_CSR_STAT_RESETTING))
break;
udelay(1);
@ -59,15 +57,18 @@ void msgdma_reset(struct altera_tse_private *priv)
"TSE Rx mSGDMA resetting bit never cleared!\n");
/* clear all status bits */
iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr, msgdma_csroffs(status));
/* Reset Tx mSGDMA */
iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
iowrite32(MSGDMA_CSR_CTL_RESET, &txcsr->control);
csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr,
msgdma_csroffs(status));
csrwr32(MSGDMA_CSR_CTL_RESET, priv->tx_dma_csr,
msgdma_csroffs(control));
counter = 0;
while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
if (tse_bit_is_clear(&txcsr->status,
if (tse_bit_is_clear(priv->tx_dma_csr, msgdma_csroffs(status),
MSGDMA_CSR_STAT_RESETTING))
break;
udelay(1);
@ -78,58 +79,58 @@ void msgdma_reset(struct altera_tse_private *priv)
"TSE Tx mSGDMA resetting bit never cleared!\n");
/* clear all status bits */
iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr, msgdma_csroffs(status));
}
void msgdma_disable_rxirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->rx_dma_csr;
tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
tse_clear_bit(priv->rx_dma_csr, msgdma_csroffs(control),
MSGDMA_CSR_CTL_GLOBAL_INTR);
}
void msgdma_enable_rxirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->rx_dma_csr;
tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
tse_set_bit(priv->rx_dma_csr, msgdma_csroffs(control),
MSGDMA_CSR_CTL_GLOBAL_INTR);
}
void msgdma_disable_txirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->tx_dma_csr;
tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
tse_clear_bit(priv->tx_dma_csr, msgdma_csroffs(control),
MSGDMA_CSR_CTL_GLOBAL_INTR);
}
void msgdma_enable_txirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->tx_dma_csr;
tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
tse_set_bit(priv->tx_dma_csr, msgdma_csroffs(control),
MSGDMA_CSR_CTL_GLOBAL_INTR);
}
void msgdma_clear_rxirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->rx_dma_csr;
iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
csrwr32(MSGDMA_CSR_STAT_IRQ, priv->rx_dma_csr, msgdma_csroffs(status));
}
void msgdma_clear_txirq(struct altera_tse_private *priv)
{
struct msgdma_csr *csr = priv->tx_dma_csr;
iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
csrwr32(MSGDMA_CSR_STAT_IRQ, priv->tx_dma_csr, msgdma_csroffs(status));
}
/* return 0 to indicate transmit is pending */
int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
{
struct msgdma_extended_desc *desc = priv->tx_dma_desc;
iowrite32(lower_32_bits(buffer->dma_addr), &desc->read_addr_lo);
iowrite32(upper_32_bits(buffer->dma_addr), &desc->read_addr_hi);
iowrite32(0, &desc->write_addr_lo);
iowrite32(0, &desc->write_addr_hi);
iowrite32(buffer->len, &desc->len);
iowrite32(0, &desc->burst_seq_num);
iowrite32(MSGDMA_DESC_TX_STRIDE, &desc->stride);
iowrite32(MSGDMA_DESC_CTL_TX_SINGLE, &desc->control);
csrwr32(lower_32_bits(buffer->dma_addr), priv->tx_dma_desc,
msgdma_descroffs(read_addr_lo));
csrwr32(upper_32_bits(buffer->dma_addr), priv->tx_dma_desc,
msgdma_descroffs(read_addr_hi));
csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_lo));
csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_hi));
csrwr32(buffer->len, priv->tx_dma_desc, msgdma_descroffs(len));
csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(burst_seq_num));
csrwr32(MSGDMA_DESC_TX_STRIDE, priv->tx_dma_desc,
msgdma_descroffs(stride));
csrwr32(MSGDMA_DESC_CTL_TX_SINGLE, priv->tx_dma_desc,
msgdma_descroffs(control));
return 0;
}
@ -138,17 +139,16 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
u32 ready = 0;
u32 inuse;
u32 status;
struct msgdma_csr *txcsr =
(struct msgdma_csr *)priv->tx_dma_csr;
/* Get number of sent descriptors */
inuse = ioread32(&txcsr->rw_fill_level) & 0xffff;
inuse = csrrd32(priv->tx_dma_csr, msgdma_csroffs(rw_fill_level))
& 0xffff;
if (inuse) { /* Tx FIFO is not empty */
ready = priv->tx_prod - priv->tx_cons - inuse - 1;
} else {
/* Check for buffered last packet */
status = ioread32(&txcsr->status);
status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status));
if (status & MSGDMA_CSR_STAT_BUSY)
ready = priv->tx_prod - priv->tx_cons - 1;
else
@ -162,7 +162,6 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
void msgdma_add_rx_desc(struct altera_tse_private *priv,
struct tse_buffer *rxbuffer)
{
struct msgdma_extended_desc *desc = priv->rx_dma_desc;
u32 len = priv->rx_dma_buf_sz;
dma_addr_t dma_addr = rxbuffer->dma_addr;
u32 control = (MSGDMA_DESC_CTL_END_ON_EOP
@ -172,14 +171,16 @@ void msgdma_add_rx_desc(struct altera_tse_private *priv,
| MSGDMA_DESC_CTL_TR_ERR_IRQ
| MSGDMA_DESC_CTL_GO);
iowrite32(0, &desc->read_addr_lo);
iowrite32(0, &desc->read_addr_hi);
iowrite32(lower_32_bits(dma_addr), &desc->write_addr_lo);
iowrite32(upper_32_bits(dma_addr), &desc->write_addr_hi);
iowrite32(len, &desc->len);
iowrite32(0, &desc->burst_seq_num);
iowrite32(0x00010001, &desc->stride);
iowrite32(control, &desc->control);
csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_lo));
csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_hi));
csrwr32(lower_32_bits(dma_addr), priv->rx_dma_desc,
msgdma_descroffs(write_addr_lo));
csrwr32(upper_32_bits(dma_addr), priv->rx_dma_desc,
msgdma_descroffs(write_addr_hi));
csrwr32(len, priv->rx_dma_desc, msgdma_descroffs(len));
csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(burst_seq_num));
csrwr32(0x00010001, priv->rx_dma_desc, msgdma_descroffs(stride));
csrwr32(control, priv->rx_dma_desc, msgdma_descroffs(control));
}
/* status is returned on upper 16 bits,
@ -190,14 +191,13 @@ u32 msgdma_rx_status(struct altera_tse_private *priv)
u32 rxstatus = 0;
u32 pktlength;
u32 pktstatus;
struct msgdma_csr *rxcsr =
(struct msgdma_csr *)priv->rx_dma_csr;
struct msgdma_response *rxresp =
(struct msgdma_response *)priv->rx_dma_resp;
if (ioread32(&rxcsr->resp_fill_level) & 0xffff) {
pktlength = ioread32(&rxresp->bytes_transferred);
pktstatus = ioread32(&rxresp->status);
if (csrrd32(priv->rx_dma_csr, msgdma_csroffs(resp_fill_level))
& 0xffff) {
pktlength = csrrd32(priv->rx_dma_resp,
msgdma_respoffs(bytes_transferred));
pktstatus = csrrd32(priv->rx_dma_resp,
msgdma_respoffs(status));
rxstatus = pktstatus;
rxstatus = rxstatus << 16;
rxstatus |= (pktlength & 0xffff);

13
drivers/net/ethernet/altera/altera_msgdmahw.h
View File

@ -17,15 +17,6 @@
#ifndef __ALTERA_MSGDMAHW_H__
#define __ALTERA_MSGDMAHW_H__
/* mSGDMA standard descriptor format
*/
struct msgdma_desc {
u32 read_addr; /* data buffer source address */
u32 write_addr; /* data buffer destination address */
u32 len; /* the number of bytes to transfer per descriptor */
u32 control; /* characteristics of the transfer */
};
/* mSGDMA extended descriptor format
*/
struct msgdma_extended_desc {
@ -159,6 +150,10 @@ struct msgdma_response {
u32 status;
};
#define msgdma_respoffs(a) (offsetof(struct msgdma_response, a))
#define msgdma_csroffs(a) (offsetof(struct msgdma_csr, a))
#define msgdma_descroffs(a) (offsetof(struct msgdma_extended_desc, a))
/* mSGDMA response register bit definitions
*/
#define MSGDMA_RESP_EARLY_TERM BIT(8)

181
drivers/net/ethernet/altera/altera_sgdma.c
View File

@ -20,8 +20,8 @@
#include "altera_sgdmahw.h"
#include "altera_sgdma.h"
static void sgdma_setup_descrip(struct sgdma_descrip *desc,
struct sgdma_descrip *ndesc,
static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
struct sgdma_descrip __iomem *ndesc,
dma_addr_t ndesc_phys,
dma_addr_t raddr,
dma_addr_t waddr,
@ -31,17 +31,17 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
int wfixed);
static int sgdma_async_write(struct altera_tse_private *priv,
struct sgdma_descrip *desc);
struct sgdma_descrip __iomem *desc);
static int sgdma_async_read(struct altera_tse_private *priv);
static dma_addr_t
sgdma_txphysaddr(struct altera_tse_private *priv,
struct sgdma_descrip *desc);
struct sgdma_descrip __iomem *desc);
static dma_addr_t
sgdma_rxphysaddr(struct altera_tse_private *priv,
struct sgdma_descrip *desc);
struct sgdma_descrip __iomem *desc);
static int sgdma_txbusy(struct altera_tse_private *priv);
@ -79,7 +79,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
priv->rxdescphys = (dma_addr_t) 0;
priv->txdescphys = (dma_addr_t) 0;
priv->rxdescphys = dma_map_single(priv->device, priv->rx_dma_desc,
priv->rxdescphys = dma_map_single(priv->device,
(void __force *)priv->rx_dma_desc,
priv->rxdescmem, DMA_BIDIRECTIONAL);
if (dma_mapping_error(priv->device, priv->rxdescphys)) {
@ -88,7 +89,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
return -EINVAL;
}
priv->txdescphys = dma_map_single(priv->device, priv->tx_dma_desc,
priv->txdescphys = dma_map_single(priv->device,
(void __force *)priv->tx_dma_desc,
priv->txdescmem, DMA_TO_DEVICE);
if (dma_mapping_error(priv->device, priv->txdescphys)) {
@ -98,8 +100,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
}
/* Initialize descriptor memory to all 0's, sync memory to cache */
memset(priv->tx_dma_desc, 0, priv->txdescmem);
memset(priv->rx_dma_desc, 0, priv->rxdescmem);
memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
dma_sync_single_for_device(priv->device, priv->txdescphys,
priv->txdescmem, DMA_TO_DEVICE);
@ -126,22 +128,15 @@ void sgdma_uninitialize(struct altera_tse_private *priv)
*/
void sgdma_reset(struct altera_tse_private *priv)
{
u32 *ptxdescripmem = (u32 *)priv->tx_dma_desc;
u32 txdescriplen = priv->txdescmem;
u32 *prxdescripmem = (u32 *)priv->rx_dma_desc;
u32 rxdescriplen = priv->rxdescmem;
struct sgdma_csr *ptxsgdma = (struct sgdma_csr *)priv->tx_dma_csr;
struct sgdma_csr *prxsgdma = (struct sgdma_csr *)priv->rx_dma_csr;
/* Initialize descriptor memory to 0 */
memset(ptxdescripmem, 0, txdescriplen);
memset(prxdescripmem, 0, rxdescriplen);
memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
iowrite32(SGDMA_CTRLREG_RESET, &ptxsgdma->control);
iowrite32(0, &ptxsgdma->control);
csrwr32(SGDMA_CTRLREG_RESET, priv->tx_dma_csr, sgdma_csroffs(control));
csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
iowrite32(SGDMA_CTRLREG_RESET, &prxsgdma->control);
iowrite32(0, &prxsgdma->control);
csrwr32(SGDMA_CTRLREG_RESET, priv->rx_dma_csr, sgdma_csroffs(control));
csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
}
/* For SGDMA, interrupts remain enabled after initially enabling,
@ -167,14 +162,14 @@ void sgdma_disable_txirq(struct altera_tse_private *priv)
void sgdma_clear_rxirq(struct altera_tse_private *priv)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
tse_set_bit(priv->rx_dma_csr, sgdma_csroffs(control),
SGDMA_CTRLREG_CLRINT);
}
void sgdma_clear_txirq(struct altera_tse_private *priv)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
tse_set_bit(priv->tx_dma_csr, sgdma_csroffs(control),
SGDMA_CTRLREG_CLRINT);
}
/* transmits buffer through SGDMA. Returns number of buffers
@ -184,12 +179,11 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
*/
int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
{
int pktstx = 0;
struct sgdma_descrip *descbase =
(struct sgdma_descrip *)priv->tx_dma_desc;
struct sgdma_descrip __iomem *descbase =
(struct sgdma_descrip __iomem *)priv->tx_dma_desc;
struct sgdma_descrip *cdesc = &descbase[0];
struct sgdma_descrip *ndesc = &descbase[1];
struct sgdma_descrip __iomem *cdesc = &descbase[0];
struct sgdma_descrip __iomem *ndesc = &descbase[1];
/* wait 'til the tx sgdma is ready for the next transmit request */
if (sgdma_txbusy(priv))
@ -205,7 +199,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
0, /* read fixed */
SGDMA_CONTROL_WR_FIXED); /* Generate SOP */
pktstx = sgdma_async_write(priv, cdesc);
sgdma_async_write(priv, cdesc);
/* enqueue the request to the pending transmit queue */
queue_tx(priv, buffer);
@ -219,10 +213,10 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
u32 sgdma_tx_completions(struct altera_tse_private *priv)
{
u32 ready = 0;
struct sgdma_descrip *desc = (struct sgdma_descrip *)priv->tx_dma_desc;
if (!sgdma_txbusy(priv) &&
((desc->control & SGDMA_CONTROL_HW_OWNED) == 0) &&
((csrrd8(priv->tx_dma_desc, sgdma_descroffs(control))
& SGDMA_CONTROL_HW_OWNED) == 0) &&
(dequeue_tx(priv))) {
ready = 1;
}
@ -246,32 +240,31 @@ void sgdma_add_rx_desc(struct altera_tse_private *priv,
*/
u32 sgdma_rx_status(struct altera_tse_private *priv)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
struct sgdma_descrip *base = (struct sgdma_descrip *)priv->rx_dma_desc;
struct sgdma_descrip *desc = NULL;
int pktsrx;
unsigned int rxstatus = 0;
unsigned int pktlength = 0;
unsigned int pktstatus = 0;
struct sgdma_descrip __iomem *base =
(struct sgdma_descrip __iomem *)priv->rx_dma_desc;
struct sgdma_descrip __iomem *desc = NULL;
struct tse_buffer *rxbuffer = NULL;
unsigned int rxstatus = 0;
u32 sts = ioread32(&csr->status);
u32 sts = csrrd32(priv->rx_dma_csr, sgdma_csroffs(status));
desc = &base[0];
if (sts & SGDMA_STSREG_EOP) {
unsigned int pktlength = 0;
unsigned int pktstatus = 0;
dma_sync_single_for_cpu(priv->device,
priv->rxdescphys,
priv->sgdmadesclen,
DMA_FROM_DEVICE);
pktlength = desc->bytes_xferred;
pktstatus = desc->status & 0x3f;
rxstatus = pktstatus;
pktlength = csrrd16(desc, sgdma_descroffs(bytes_xferred));
pktstatus = csrrd8(desc, sgdma_descroffs(status));
rxstatus = pktstatus & ~SGDMA_STATUS_EOP;
rxstatus = rxstatus << 16;
rxstatus |= (pktlength & 0xffff);
if (rxstatus) {
desc->status = 0;
csrwr8(0, desc, sgdma_descroffs(status));
rxbuffer = dequeue_rx(priv);
if (rxbuffer == NULL)
@ -279,12 +272,12 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
"sgdma rx and rx queue empty!\n");
/* Clear control */
iowrite32(0, &csr->control);
csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
/* clear status */
iowrite32(0xf, &csr->status);
csrwr32(0xf, priv->rx_dma_csr, sgdma_csroffs(status));
/* kick the rx sgdma after reaping this descriptor */
pktsrx = sgdma_async_read(priv);
sgdma_async_read(priv);
} else {
/* If the SGDMA indicated an end of packet on recv,
@ -298,10 +291,11 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
*/
netdev_err(priv->dev,
"SGDMA RX Error Info: %x, %x, %x\n",
sts, desc->status, rxstatus);
sts, csrrd8(desc, sgdma_descroffs(status)),
rxstatus);
}
} else if (sts == 0) {
pktsrx = sgdma_async_read(priv);
sgdma_async_read(priv);
}
return rxstatus;
@ -309,8 +303,8 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
/* Private functions */
static void sgdma_setup_descrip(struct sgdma_descrip *desc,
struct sgdma_descrip *ndesc,
static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
struct sgdma_descrip __iomem *ndesc,
dma_addr_t ndesc_phys,
dma_addr_t raddr,
dma_addr_t waddr,
@ -320,27 +314,30 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
int wfixed)
{
/* Clear the next descriptor as not owned by hardware */
u32 ctrl = ndesc->control;
ctrl &= ~SGDMA_CONTROL_HW_OWNED;
ndesc->control = ctrl;
ctrl = 0;
u32 ctrl = csrrd8(ndesc, sgdma_descroffs(control));
ctrl &= ~SGDMA_CONTROL_HW_OWNED;
csrwr8(ctrl, ndesc, sgdma_descroffs(control));
ctrl = SGDMA_CONTROL_HW_OWNED;
ctrl |= generate_eop;
ctrl |= rfixed;
ctrl |= wfixed;
/* Channel is implicitly zero, initialized to 0 by default */
csrwr32(lower_32_bits(raddr), desc, sgdma_descroffs(raddr));
csrwr32(lower_32_bits(waddr), desc, sgdma_descroffs(waddr));
desc->raddr = raddr;
desc->waddr = waddr;
desc->next = lower_32_bits(ndesc_phys);
desc->control = ctrl;
desc->status = 0;
desc->rburst = 0;
desc->wburst = 0;
desc->bytes = length;
desc->bytes_xferred = 0;
csrwr32(0, desc, sgdma_descroffs(pad1));
csrwr32(0, desc, sgdma_descroffs(pad2));
csrwr32(lower_32_bits(ndesc_phys), desc, sgdma_descroffs(next));
csrwr8(ctrl, desc, sgdma_descroffs(control));
csrwr8(0, desc, sgdma_descroffs(status));
csrwr8(0, desc, sgdma_descroffs(wburst));
csrwr8(0, desc, sgdma_descroffs(rburst));
csrwr16(length, desc, sgdma_descroffs(bytes));
csrwr16(0, desc, sgdma_descroffs(bytes_xferred));
}
/* If hardware is busy, don't restart async read.
@ -351,12 +348,11 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
*/
static int sgdma_async_read(struct altera_tse_private *priv)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
struct sgdma_descrip *descbase =
(struct sgdma_descrip *)priv->rx_dma_desc;
struct sgdma_descrip __iomem *descbase =
(struct sgdma_descrip __iomem *)priv->rx_dma_desc;
struct sgdma_descrip *cdesc = &descbase[0];
struct sgdma_descrip *ndesc = &descbase[1];
struct sgdma_descrip __iomem *cdesc = &descbase[0];
struct sgdma_descrip __iomem *ndesc = &descbase[1];
struct tse_buffer *rxbuffer = NULL;
@ -382,11 +378,13 @@ static int sgdma_async_read(struct altera_tse_private *priv)
priv->sgdmadesclen,
DMA_TO_DEVICE);
iowrite32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
&csr->next_descrip);
csrwr32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
priv->rx_dma_csr,
sgdma_csroffs(next_descrip));
iowrite32((priv->rxctrlreg | SGDMA_CTRLREG_START),
&csr->control);
csrwr32((priv->rxctrlreg | SGDMA_CTRLREG_START),
priv->rx_dma_csr,
sgdma_csroffs(control));
return 1;
}
@ -395,32 +393,32 @@ static int sgdma_async_read(struct altera_tse_private *priv)
}
static int sgdma_async_write(struct altera_tse_private *priv,
struct sgdma_descrip *desc)
struct sgdma_descrip __iomem *desc)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
if (sgdma_txbusy(priv))
return 0;
/* clear control and status */
iowrite32(0, &csr->control);
iowrite32(0x1f, &csr->status);
csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
csrwr32(0x1f, priv->tx_dma_csr, sgdma_csroffs(status));
dma_sync_single_for_device(priv->device, priv->txdescphys,
priv->sgdmadesclen, DMA_TO_DEVICE);
iowrite32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
&csr->next_descrip);
csrwr32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
priv->tx_dma_csr,
sgdma_csroffs(next_descrip));
iowrite32((priv->txctrlreg | SGDMA_CTRLREG_START),
&csr->control);
csrwr32((priv->txctrlreg | SGDMA_CTRLREG_START),
priv->tx_dma_csr,
sgdma_csroffs(control));
return 1;
}
static dma_addr_t
sgdma_txphysaddr(struct altera_tse_private *priv,
struct sgdma_descrip *desc)
struct sgdma_descrip __iomem *desc)
{
dma_addr_t paddr = priv->txdescmem_busaddr;
uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->tx_dma_desc;
@ -429,7 +427,7 @@ sgdma_txphysaddr(struct altera_tse_private *priv,
static dma_addr_t
sgdma_rxphysaddr(struct altera_tse_private *priv,
struct sgdma_descrip *desc)
struct sgdma_descrip __iomem *desc)
{
dma_addr_t paddr = priv->rxdescmem_busaddr;
uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->rx_dma_desc;
@ -518,8 +516,8 @@ queue_rx_peekhead(struct altera_tse_private *priv)
*/
static int sgdma_rxbusy(struct altera_tse_private *priv)
{
struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
return ioread32(&csr->status) & SGDMA_STSREG_BUSY;
return csrrd32(priv->rx_dma_csr, sgdma_csroffs(status))
& SGDMA_STSREG_BUSY;
}
/* waits for the tx sgdma to finish it's current operation, returns 0
@ -528,13 +526,14 @@ static int sgdma_rxbusy(struct altera_tse_private *priv)
static int sgdma_txbusy(struct altera_tse_private *priv)
{
int delay = 0;
struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
/* if DMA is busy, wait for current transactino to finish */
while ((ioread32(&csr->status) & SGDMA_STSREG_BUSY) && (delay++ < 100))
while ((csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
& SGDMA_STSREG_BUSY) && (delay++ < 100))
udelay(1);
if (ioread32(&csr->status) & SGDMA_STSREG_BUSY) {
if (csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
& SGDMA_STSREG_BUSY) {
netdev_err(priv->dev, "timeout waiting for tx dma\n");
return 1;
}

26
drivers/net/ethernet/altera/altera_sgdmahw.h
View File

@ -19,16 +19,16 @@
/* SGDMA descriptor structure */
struct sgdma_descrip {
unsigned int raddr; /* address of data to be read */
unsigned int pad1;
unsigned int waddr;
unsigned int pad2;
unsigned int next;
unsigned int pad3;
unsigned short bytes;
unsigned char rburst;
unsigned char wburst;
unsigned short bytes_xferred; /* 16 bits, bytes xferred */
u32 raddr; /* address of data to be read */
u32 pad1;
u32 waddr;
u32 pad2;
u32 next;
u32 pad3;
u16 bytes;
u8 rburst;
u8 wburst;
u16 bytes_xferred; /* 16 bits, bytes xferred */
/* bit 0: error
* bit 1: length error
@ -39,7 +39,7 @@ struct sgdma_descrip {
* bit 6: reserved
* bit 7: status eop for recv case
*/
unsigned char status;
u8 status;
/* bit 0: eop
* bit 1: read_fixed
@ -47,7 +47,7 @@ struct sgdma_descrip {
* bits 3,4,5,6: Channel (always 0)
* bit 7: hardware owned
*/
unsigned char control;
u8 control;
} __packed;
@ -101,6 +101,8 @@ struct sgdma_csr {
u32 pad3[3];
};
#define sgdma_csroffs(a) (offsetof(struct sgdma_csr, a))
#define sgdma_descroffs(a) (offsetof(struct sgdma_descrip, a))
#define SGDMA_STSREG_ERR BIT(0) /* Error */
#define SGDMA_STSREG_EOP BIT(1) /* EOP */

47
drivers/net/ethernet/altera/altera_tse.h
View File

@ -357,6 +357,8 @@ struct altera_tse_mac {
u32 reserved5[42];
};
#define tse_csroffs(a) (offsetof(struct altera_tse_mac, a))
/* Transmit and Receive Command Registers Bit Definitions
*/
#define ALTERA_TSE_TX_CMD_STAT_OMIT_CRC BIT(17)
@ -487,4 +489,49 @@ struct altera_tse_private {
*/
void altera_tse_set_ethtool_ops(struct net_device *);
static inline
u32 csrrd32(void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
return readl(paddr);
}
static inline
u16 csrrd16(void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
return readw(paddr);
}
static inline
u8 csrrd8(void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
return readb(paddr);
}
static inline
void csrwr32(u32 val, void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
writel(val, paddr);
}
static inline
void csrwr16(u16 val, void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
writew(val, paddr);
}
static inline
void csrwr8(u8 val, void __iomem *mac, size_t offs)
{
void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
writeb(val, paddr);
}
#endif /* __ALTERA_TSE_H__ */

108
drivers/net/ethernet/altera/altera_tse_ethtool.c
View File

@ -96,54 +96,89 @@ static void tse_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
u64 *buf)
{
struct altera_tse_private *priv = netdev_priv(dev);
struct altera_tse_mac *mac = priv->mac_dev;
u64 ext;
buf[0] = ioread32(&mac->frames_transmitted_ok);
buf[1] = ioread32(&mac->frames_received_ok);
buf[2] = ioread32(&mac->frames_check_sequence_errors);
buf[3] = ioread32(&mac->alignment_errors);
buf[0] = csrrd32(priv->mac_dev,
tse_csroffs(frames_transmitted_ok));
buf[1] = csrrd32(priv->mac_dev,
tse_csroffs(frames_received_ok));
buf[2] = csrrd32(priv->mac_dev,
tse_csroffs(frames_check_sequence_errors));
buf[3] = csrrd32(priv->mac_dev,
tse_csroffs(alignment_errors));
/* Extended aOctetsTransmittedOK counter */
ext = (u64) ioread32(&mac->msb_octets_transmitted_ok) << 32;
ext |= ioread32(&mac->octets_transmitted_ok);
ext = (u64) csrrd32(priv->mac_dev,
tse_csroffs(msb_octets_transmitted_ok)) << 32;
ext |= csrrd32(priv->mac_dev,
tse_csroffs(octets_transmitted_ok));
buf[4] = ext;
/* Extended aOctetsReceivedOK counter */
ext = (u64) ioread32(&mac->msb_octets_received_ok) << 32;
ext |= ioread32(&mac->octets_received_ok);
ext = (u64) csrrd32(priv->mac_dev,
tse_csroffs(msb_octets_received_ok)) << 32;
ext |= csrrd32(priv->mac_dev,
tse_csroffs(octets_received_ok));
buf[5] = ext;
buf[6] = ioread32(&mac->tx_pause_mac_ctrl_frames);
buf[7] = ioread32(&mac->rx_pause_mac_ctrl_frames);
buf[8] = ioread32(&mac->if_in_errors);
buf[9] = ioread32(&mac->if_out_errors);
buf[10] = ioread32(&mac->if_in_ucast_pkts);
buf[11] = ioread32(&mac->if_in_multicast_pkts);
buf[12] = ioread32(&mac->if_in_broadcast_pkts);
buf[13] = ioread32(&mac->if_out_discards);
buf[14] = ioread32(&mac->if_out_ucast_pkts);
buf[15] = ioread32(&mac->if_out_multicast_pkts);
buf[16] = ioread32(&mac->if_out_broadcast_pkts);
buf[17] = ioread32(&mac->ether_stats_drop_events);
buf[6] = csrrd32(priv->mac_dev,
tse_csroffs(tx_pause_mac_ctrl_frames));
buf[7] = csrrd32(priv->mac_dev,
tse_csroffs(rx_pause_mac_ctrl_frames));
buf[8] = csrrd32(priv->mac_dev,
tse_csroffs(if_in_errors));
buf[9] = csrrd32(priv->mac_dev,
tse_csroffs(if_out_errors));
buf[10] = csrrd32(priv->mac_dev,
tse_csroffs(if_in_ucast_pkts));
buf[11] = csrrd32(priv->mac_dev,
tse_csroffs(if_in_multicast_pkts));
buf[12] = csrrd32(priv->mac_dev,
tse_csroffs(if_in_broadcast_pkts));
buf[13] = csrrd32(priv->mac_dev,
tse_csroffs(if_out_discards));
buf[14] = csrrd32(priv->mac_dev,
tse_csroffs(if_out_ucast_pkts));
buf[15] = csrrd32(priv->mac_dev,
tse_csroffs(if_out_multicast_pkts));
buf[16] = csrrd32(priv->mac_dev,
tse_csroffs(if_out_broadcast_pkts));
buf[17] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_drop_events));
/* Extended etherStatsOctets counter */
ext = (u64) ioread32(&mac->msb_ether_stats_octets) << 32;
ext |= ioread32(&mac->ether_stats_octets);
ext = (u64) csrrd32(priv->mac_dev,
tse_csroffs(msb_ether_stats_octets)) << 32;
ext |= csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_octets));
buf[18] = ext;
buf[19] = ioread32(&mac->ether_stats_pkts);
buf[20] = ioread32(&mac->ether_stats_undersize_pkts);
buf[21] = ioread32(&mac->ether_stats_oversize_pkts);
buf[22] = ioread32(&mac->ether_stats_pkts_64_octets);
buf[23] = ioread32(&mac->ether_stats_pkts_65to127_octets);
buf[24] = ioread32(&mac->ether_stats_pkts_128to255_octets);
buf[25] = ioread32(&mac->ether_stats_pkts_256to511_octets);
buf[26] = ioread32(&mac->ether_stats_pkts_512to1023_octets);
buf[27] = ioread32(&mac->ether_stats_pkts_1024to1518_octets);
buf[28] = ioread32(&mac->ether_stats_pkts_1519tox_octets);
buf[29] = ioread32(&mac->ether_stats_jabbers);
buf[30] = ioread32(&mac->ether_stats_fragments);
buf[19] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts));
buf[20] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_undersize_pkts));
buf[21] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_oversize_pkts));
buf[22] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_64_octets));
buf[23] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_65to127_octets));
buf[24] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_128to255_octets));
buf[25] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_256to511_octets));
buf[26] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_512to1023_octets));
buf[27] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_1024to1518_octets));
buf[28] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_pkts_1519tox_octets));
buf[29] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_jabbers));
buf[30] = csrrd32(priv->mac_dev,
tse_csroffs(ether_stats_fragments));
}
static int tse_sset_count(struct net_device *dev, int sset)
@ -178,7 +213,6 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
{
int i;
struct altera_tse_private *priv = netdev_priv(dev);
u32 *tse_mac_regs = (u32 *)priv->mac_dev;
u32 *buf = regbuf;
/* Set version to a known value, so ethtool knows
@ -196,7 +230,7 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
regs->version = 1;
for (i = 0; i < TSE_NUM_REGS; i++)
buf[i] = ioread32(&tse_mac_regs[i]);
buf[i] = csrrd32(priv->mac_dev, i * 4);
}
static int tse_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)

133
drivers/net/ethernet/altera/altera_tse_main.c
View File

@ -100,29 +100,30 @@ static inline u32 tse_tx_avail(struct altera_tse_private *priv)
*/
static int altera_tse_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
u32 data;
struct net_device *ndev = bus->priv;
struct altera_tse_private *priv = netdev_priv(ndev);
/* set MDIO address */
iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
csrwr32((mii_id & 0x1f), priv->mac_dev,
tse_csroffs(mdio_phy0_addr));
/* get the data */
data = ioread32(&mdio_regs[regnum]) & 0xffff;
return data;
return csrrd32(priv->mac_dev,
tse_csroffs(mdio_phy0) + regnum * 4) & 0xffff;
}
static int altera_tse_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
u16 value)
{
struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
struct net_device *ndev = bus->priv;
struct altera_tse_private *priv = netdev_priv(ndev);
/* set MDIO address */
iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
csrwr32((mii_id & 0x1f), priv->mac_dev,
tse_csroffs(mdio_phy0_addr));
/* write the data */
iowrite32((u32) value, &mdio_regs[regnum]);
csrwr32(value, priv->mac_dev, tse_csroffs(mdio_phy0) + regnum * 4);
return 0;
}
@ -168,7 +169,7 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
for (i = 0; i < PHY_MAX_ADDR; i++)
mdio->irq[i] = PHY_POLL;
mdio->priv = priv->mac_dev;
mdio->priv = dev;
mdio->parent = priv->device;
ret = of_mdiobus_register(mdio, mdio_node);
@ -563,7 +564,6 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned int nopaged_len = skb_headlen(skb);
enum netdev_tx ret = NETDEV_TX_OK;
dma_addr_t dma_addr;
int txcomplete = 0;
spin_lock_bh(&priv->tx_lock);
@ -599,7 +599,7 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
dma_sync_single_for_device(priv->device, buffer->dma_addr,
buffer->len, DMA_TO_DEVICE);
txcomplete = priv->dmaops->tx_buffer(priv, buffer);
priv->dmaops->tx_buffer(priv, buffer);
skb_tx_timestamp(skb);
@ -698,7 +698,6 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
struct altera_tse_private *priv = netdev_priv(dev);
struct phy_device *phydev = NULL;
char phy_id_fmt[MII_BUS_ID_SIZE + 3];
int ret;
if (priv->phy_addr != POLL_PHY) {
snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
@ -712,6 +711,7 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
netdev_err(dev, "Could not attach to PHY\n");
} else {
int ret;
phydev = phy_find_first(priv->mdio);
if (phydev == NULL) {
netdev_err(dev, "No PHY found\n");
@ -791,7 +791,6 @@ static int init_phy(struct net_device *dev)
static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
{
struct altera_tse_mac *mac = priv->mac_dev;
u32 msb;
u32 lsb;
@ -799,8 +798,8 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
lsb = ((addr[5] << 8) | addr[4]) & 0xffff;
/* Set primary MAC address */
iowrite32(msb, &mac->mac_addr_0);
iowrite32(lsb, &mac->mac_addr_1);
csrwr32(msb, priv->mac_dev, tse_csroffs(mac_addr_0));
csrwr32(lsb, priv->mac_dev, tse_csroffs(mac_addr_1));
}
/* MAC software reset.
@ -811,26 +810,26 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
*/
static int reset_mac(struct altera_tse_private *priv)
{
void __iomem *cmd_cfg_reg = &priv->mac_dev->command_config;
int counter;
u32 dat;
dat = ioread32(cmd_cfg_reg);
dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
dat &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
dat |= MAC_CMDCFG_SW_RESET | MAC_CMDCFG_CNT_RESET;
iowrite32(dat, cmd_cfg_reg);
csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
counter = 0;
while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
if (tse_bit_is_clear(cmd_cfg_reg, MAC_CMDCFG_SW_RESET))
if (tse_bit_is_clear(priv->mac_dev, tse_csroffs(command_config),
MAC_CMDCFG_SW_RESET))
break;
udelay(1);
}
if (counter >= ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
dat = ioread32(cmd_cfg_reg);
dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
dat &= ~MAC_CMDCFG_SW_RESET;
iowrite32(dat, cmd_cfg_reg);
csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
return -1;
}
return 0;
@ -840,41 +839,57 @@ static int reset_mac(struct altera_tse_private *priv)
*/
static int init_mac(struct altera_tse_private *priv)
{
struct altera_tse_mac *mac = priv->mac_dev;
unsigned int cmd = 0;
u32 frm_length;
/* Setup Rx FIFO */
iowrite32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
&mac->rx_section_empty);
iowrite32(ALTERA_TSE_RX_SECTION_FULL, &mac->rx_section_full);
iowrite32(ALTERA_TSE_RX_ALMOST_EMPTY, &mac->rx_almost_empty);
iowrite32(ALTERA_TSE_RX_ALMOST_FULL, &mac->rx_almost_full);
csrwr32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
priv->mac_dev, tse_csroffs(rx_section_empty));
csrwr32(ALTERA_TSE_RX_SECTION_FULL, priv->mac_dev,
tse_csroffs(rx_section_full));
csrwr32(ALTERA_TSE_RX_ALMOST_EMPTY, priv->mac_dev,
tse_csroffs(rx_almost_empty));
csrwr32(ALTERA_TSE_RX_ALMOST_FULL, priv->mac_dev,
tse_csroffs(rx_almost_full));
/* Setup Tx FIFO */
iowrite32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
&mac->tx_section_empty);
iowrite32(ALTERA_TSE_TX_SECTION_FULL, &mac->tx_section_full);
iowrite32(ALTERA_TSE_TX_ALMOST_EMPTY, &mac->tx_almost_empty);
iowrite32(ALTERA_TSE_TX_ALMOST_FULL, &mac->tx_almost_full);
csrwr32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
priv->mac_dev, tse_csroffs(tx_section_empty));
csrwr32(ALTERA_TSE_TX_SECTION_FULL, priv->mac_dev,
tse_csroffs(tx_section_full));
csrwr32(ALTERA_TSE_TX_ALMOST_EMPTY, priv->mac_dev,
tse_csroffs(tx_almost_empty));
csrwr32(ALTERA_TSE_TX_ALMOST_FULL, priv->mac_dev,
tse_csroffs(tx_almost_full));
/* MAC Address Configuration */
tse_update_mac_addr(priv, priv->dev->dev_addr);
/* MAC Function Configuration */
frm_length = ETH_HLEN + priv->dev->mtu + ETH_FCS_LEN;
iowrite32(frm_length, &mac->frm_length);
iowrite32(ALTERA_TSE_TX_IPG_LENGTH, &mac->tx_ipg_length);
csrwr32(frm_length, priv->mac_dev, tse_csroffs(frm_length));
csrwr32(ALTERA_TSE_TX_IPG_LENGTH, priv->mac_dev,
tse_csroffs(tx_ipg_length));
/* Disable RX/TX shift 16 for alignment of all received frames on 16-bit
* start address
*/
tse_set_bit(&mac->rx_cmd_stat, ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
tse_clear_bit(&mac->tx_cmd_stat, ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
tse_set_bit(priv->mac_dev, tse_csroffs(rx_cmd_stat),
ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
tse_clear_bit(priv->mac_dev, tse_csroffs(tx_cmd_stat),
ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
/* Set the MAC options */
cmd = ioread32(&mac->command_config);
cmd = csrrd32(priv->mac_dev, tse_csroffs(command_config));
cmd &= ~MAC_CMDCFG_PAD_EN; /* No padding Removal on Receive */
cmd &= ~MAC_CMDCFG_CRC_FWD; /* CRC Removal */
cmd |= MAC_CMDCFG_RX_ERR_DISC; /* Automatically discard frames
@ -889,9 +904,10 @@ static int init_mac(struct altera_tse_private *priv)
cmd &= ~MAC_CMDCFG_ETH_SPEED;
cmd &= ~MAC_CMDCFG_ENA_10;
iowrite32(cmd, &mac->command_config);
csrwr32(cmd, priv->mac_dev, tse_csroffs(command_config));
iowrite32(ALTERA_TSE_PAUSE_QUANTA, &mac->pause_quanta);
csrwr32(ALTERA_TSE_PAUSE_QUANTA, priv->mac_dev,
tse_csroffs(pause_quanta));
if (netif_msg_hw(priv))
dev_dbg(priv->device,
@ -904,15 +920,14 @@ static int init_mac(struct altera_tse_private *priv)
*/
static void tse_set_mac(struct altera_tse_private *priv, bool enable)
{
struct altera_tse_mac *mac = priv->mac_dev;
u32 value = ioread32(&mac->command_config);
u32 value = csrrd32(priv->mac_dev, tse_csroffs(command_config));
if (enable)
value |= MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA;
else
value &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
iowrite32(value, &mac->command_config);
csrwr32(value, priv->mac_dev, tse_csroffs(command_config));
}
/* Change the MTU
@ -942,13 +957,12 @@ static int tse_change_mtu(struct net_device *dev, int new_mtu)
static void altera_tse_set_mcfilter(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
struct altera_tse_mac *mac = priv->mac_dev;
int i;
struct netdev_hw_addr *ha;
/* clear the hash filter */
for (i = 0; i < 64; i++)
iowrite32(0, &(mac->hash_table[i]));
csrwr32(0, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
netdev_for_each_mc_addr(ha, dev) {
unsigned int hash = 0;
@ -964,7 +978,7 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
hash = (hash << 1) | xor_bit;
}
iowrite32(1, &(mac->hash_table[hash]));
csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + hash * 4);
}
}
@ -972,12 +986,11 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
static void altera_tse_set_mcfilterall(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
struct altera_tse_mac *mac = priv->mac_dev;
int i;
/* set the hash filter */
for (i = 0; i < 64; i++)
iowrite32(1, &(mac->hash_table[i]));
csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
}
/* Set or clear the multicast filter for this adaptor
@ -985,12 +998,12 @@ static void altera_tse_set_mcfilterall(struct net_device *dev)
static void tse_set_rx_mode_hashfilter(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
struct altera_tse_mac *mac = priv->mac_dev;
spin_lock(&priv->mac_cfg_lock);
if (dev->flags & IFF_PROMISC)
tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
MAC_CMDCFG_PROMIS_EN);
if (dev->flags & IFF_ALLMULTI)
altera_tse_set_mcfilterall(dev);
@ -1005,15 +1018,16 @@ static void tse_set_rx_mode_hashfilter(struct net_device *dev)
static void tse_set_rx_mode(struct net_device *dev)
{
struct altera_tse_private *priv = netdev_priv(dev);
struct altera_tse_mac *mac = priv->mac_dev;
spin_lock(&priv->mac_cfg_lock);
if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI) ||
!netdev_mc_empty(dev) || !netdev_uc_empty(dev))
tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
MAC_CMDCFG_PROMIS_EN);
else
tse_clear_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
tse_clear_bit(priv->mac_dev, tse_csroffs(command_config),
MAC_CMDCFG_PROMIS_EN);
spin_unlock(&priv->mac_cfg_lock);
}
@ -1362,6 +1376,11 @@ static int altera_tse_probe(struct platform_device *pdev)
of_property_read_bool(pdev->dev.of_node,
"altr,has-hash-multicast-filter");
/* Set hash filter to not set for now until the
* multicast filter receive issue is debugged
*/
priv->hash_filter = 0;
/* get supplemental address settings for this instance */
priv->added_unicast =
of_property_read_bool(pdev->dev.of_node,
@ -1493,7 +1512,7 @@ static int altera_tse_remove(struct platform_device *pdev)
return 0;
}
struct altera_dmaops altera_dtype_sgdma = {
static const struct altera_dmaops altera_dtype_sgdma = {
.altera_dtype = ALTERA_DTYPE_SGDMA,
.dmamask = 32,
.reset_dma = sgdma_reset,
@ -1512,7 +1531,7 @@ struct altera_dmaops altera_dtype_sgdma = {
.start_rxdma = sgdma_start_rxdma,
};
struct altera_dmaops altera_dtype_msgdma = {
static const struct altera_dmaops altera_dtype_msgdma = {
.altera_dtype = ALTERA_DTYPE_MSGDMA,
.dmamask = 64,
.reset_dma = msgdma_reset,

20
drivers/net/ethernet/altera/altera_utils.c
View File

@ -17,28 +17,28 @@
#include "altera_tse.h"
#include "altera_utils.h"
void tse_set_bit(void __iomem *ioaddr, u32 bit_mask)
void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
u32 value = csrrd32(ioaddr, offs);
value |= bit_mask;
iowrite32(value, ioaddr);
csrwr32(value, ioaddr, offs);
}
void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask)
void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
u32 value = csrrd32(ioaddr, offs);
value &= ~bit_mask;
iowrite32(value, ioaddr);
csrwr32(value, ioaddr, offs);
}
int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask)
int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
u32 value = csrrd32(ioaddr, offs);
return (value & bit_mask) ? 1 : 0;
}
int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask)
int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
{
u32 value = ioread32(ioaddr);
u32 value = csrrd32(ioaddr, offs);
return (value & bit_mask) ? 0 : 1;
}

8
drivers/net/ethernet/altera/altera_utils.h
View File

@ -19,9 +19,9 @@
#ifndef __ALTERA_UTILS_H__
#define __ALTERA_UTILS_H__
void tse_set_bit(void __iomem *ioaddr, u32 bit_mask);
void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask);
int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask);
int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask);
void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask);
int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask);
#endif /* __ALTERA_UTILS_H__*/

10
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -10051,8 +10051,8 @@ static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
#define BCM_5710_UNDI_FW_MF_MAJOR (0x07)
#define BCM_5710_UNDI_FW_MF_MINOR (0x08)
#define BCM_5710_UNDI_FW_MF_VERS (0x05)
#define BNX2X_PREV_UNDI_MF_PORT(p) (0x1a150c + ((p) << 4))
#define BNX2X_PREV_UNDI_MF_FUNC(f) (0x1a184c + ((f) << 4))
#define BNX2X_PREV_UNDI_MF_PORT(p) (BAR_TSTRORM_INTMEM + 0x150c + ((p) << 4))
#define BNX2X_PREV_UNDI_MF_FUNC(f) (BAR_TSTRORM_INTMEM + 0x184c + ((f) << 4))
static bool bnx2x_prev_unload_undi_fw_supports_mf(struct bnx2x *bp)
{
u8 major, minor, version;
@ -10352,6 +10352,7 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
/* Reset should be performed after BRB is emptied */
if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
u32 timer_count = 1000;
bool need_write = true;
/* Close the MAC Rx to prevent BRB from filling up */
bnx2x_prev_unload_close_mac(bp, &mac_vals);
@ -10398,7 +10399,10 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
* cleaning methods - might be redundant but harmless.
*/
if (bnx2x_prev_unload_undi_fw_supports_mf(bp)) {
bnx2x_prev_unload_undi_mf(bp);
if (need_write) {
bnx2x_prev_unload_undi_mf(bp);
need_write = false;
}
} else if (prev_undi) {
/* If UNDI resides in memory,
* manually increment it

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
View File

@ -2695,7 +2695,7 @@ out:
bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
}
return 0;
return rc;
}
int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
View File

@ -747,7 +747,7 @@ int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return 0;
return rc;
}
/* request pf to config rss table for vf queues*/

706
drivers/net/ethernet/ec_bhf.c 100644
View File

@ -0,0 +1,706 @@
/*
* drivers/net/ethernet/beckhoff/ec_bhf.c
*
* Copyright (C) 2014 Darek Marcinkiewicz <reksio@newterm.pl>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/* This is a driver for EtherCAT master module present on CCAT FPGA.
* Those can be found on Bechhoff CX50xx industrial PCs.
*/
#if 0
#define DEBUG
#endif
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ip.h>
#include <linux/skbuff.h>
#include <linux/hrtimer.h>
#include <linux/interrupt.h>
#include <linux/stat.h>
#define TIMER_INTERVAL_NSEC 20000
#define INFO_BLOCK_SIZE 0x10
#define INFO_BLOCK_TYPE 0x0
#define INFO_BLOCK_REV 0x2
#define INFO_BLOCK_BLK_CNT 0x4
#define INFO_BLOCK_TX_CHAN 0x4
#define INFO_BLOCK_RX_CHAN 0x5
#define INFO_BLOCK_OFFSET 0x8
#define EC_MII_OFFSET 0x4
#define EC_FIFO_OFFSET 0x8
#define EC_MAC_OFFSET 0xc
#define MAC_FRAME_ERR_CNT 0x0
#define MAC_RX_ERR_CNT 0x1
#define MAC_CRC_ERR_CNT 0x2
#define MAC_LNK_LST_ERR_CNT 0x3
#define MAC_TX_FRAME_CNT 0x10
#define MAC_RX_FRAME_CNT 0x14
#define MAC_TX_FIFO_LVL 0x20
#define MAC_DROPPED_FRMS 0x28
#define MAC_CONNECTED_CCAT_FLAG 0x78
#define MII_MAC_ADDR 0x8
#define MII_MAC_FILT_FLAG 0xe
#define MII_LINK_STATUS 0xf
#define FIFO_TX_REG 0x0
#define FIFO_TX_RESET 0x8
#define FIFO_RX_REG 0x10
#define FIFO_RX_ADDR_VALID (1u << 31)
#define FIFO_RX_RESET 0x18
#define DMA_CHAN_OFFSET 0x1000
#define DMA_CHAN_SIZE 0x8
#define DMA_WINDOW_SIZE_MASK 0xfffffffc
static struct pci_device_id ids[] = {
{ PCI_DEVICE(0x15ec, 0x5000), },
{ 0, }
};
MODULE_DEVICE_TABLE(pci, ids);
struct rx_header {
#define RXHDR_NEXT_ADDR_MASK 0xffffffu
#define RXHDR_NEXT_VALID (1u << 31)
__le32 next;
#define RXHDR_NEXT_RECV_FLAG 0x1
__le32 recv;
#define RXHDR_LEN_MASK 0xfffu
__le16 len;
__le16 port;
__le32 reserved;
u8 timestamp[8];
} __packed;
#define PKT_PAYLOAD_SIZE 0x7e8
struct rx_desc {
struct rx_header header;
u8 data[PKT_PAYLOAD_SIZE];
} __packed;
struct tx_header {
__le16 len;
#define TX_HDR_PORT_0 0x1
#define TX_HDR_PORT_1 0x2
u8 port;
u8 ts_enable;
#define TX_HDR_SENT 0x1
__le32 sent;
u8 timestamp[8];
} __packed;
struct tx_desc {
struct tx_header header;
u8 data[PKT_PAYLOAD_SIZE];
} __packed;
#define FIFO_SIZE 64
static long polling_frequency = TIMER_INTERVAL_NSEC;
struct bhf_dma {
u8 *buf;
size_t len;
dma_addr_t buf_phys;
u8 *alloc;
size_t alloc_len;
dma_addr_t alloc_phys;
};
struct ec_bhf_priv {
struct net_device *net_dev;
struct pci_dev *dev;
void * __iomem io;
void * __iomem dma_io;
struct hrtimer hrtimer;
int tx_dma_chan;
int rx_dma_chan;
void * __iomem ec_io;
void * __iomem fifo_io;
void * __iomem mii_io;
void * __iomem mac_io;
struct bhf_dma rx_buf;
struct rx_desc *rx_descs;
int rx_dnext;
int rx_dcount;
struct bhf_dma tx_buf;
struct tx_desc *tx_descs;
int tx_dcount;
int tx_dnext;
u64 stat_rx_bytes;
u64 stat_tx_bytes;
};
#define PRIV_TO_DEV(priv) (&(priv)->dev->dev)
#define ETHERCAT_MASTER_ID 0x14
static void ec_bhf_print_status(struct ec_bhf_priv *priv)
{
struct device *dev = PRIV_TO_DEV(priv);
dev_dbg(dev, "Frame error counter: %d\n",
ioread8(priv->mac_io + MAC_FRAME_ERR_CNT));
dev_dbg(dev, "RX error counter: %d\n",
ioread8(priv->mac_io + MAC_RX_ERR_CNT));
dev_dbg(dev, "CRC error counter: %d\n",
ioread8(priv->mac_io + MAC_CRC_ERR_CNT));
dev_dbg(dev, "TX frame counter: %d\n",
ioread32(priv->mac_io + MAC_TX_FRAME_CNT));
dev_dbg(dev, "RX frame counter: %d\n",
ioread32(priv->mac_io + MAC_RX_FRAME_CNT));
dev_dbg(dev, "TX fifo level: %d\n",
ioread8(priv->mac_io + MAC_TX_FIFO_LVL));
dev_dbg(dev, "Dropped frames: %d\n",
ioread8(priv->mac_io + MAC_DROPPED_FRMS));
dev_dbg(dev, "Connected with CCAT slot: %d\n",
ioread8(priv->mac_io + MAC_CONNECTED_CCAT_FLAG));
dev_dbg(dev, "Link status: %d\n",
ioread8(priv->mii_io + MII_LINK_STATUS));
}
static void ec_bhf_reset(struct ec_bhf_priv *priv)
{
iowrite8(0, priv->mac_io + MAC_FRAME_ERR_CNT);
iowrite8(0, priv->mac_io + MAC_RX_ERR_CNT);
iowrite8(0, priv->mac_io + MAC_CRC_ERR_CNT);
iowrite8(0, priv->mac_io + MAC_LNK_LST_ERR_CNT);
iowrite32(0, priv->mac_io + MAC_TX_FRAME_CNT);
iowrite32(0, priv->mac_io + MAC_RX_FRAME_CNT);
iowrite8(0, priv->mac_io + MAC_DROPPED_FRMS);
iowrite8(0, priv->fifo_io + FIFO_TX_RESET);
iowrite8(0, priv->fifo_io + FIFO_RX_RESET);
iowrite8(0, priv->mac_io + MAC_TX_FIFO_LVL);
}
static void ec_bhf_send_packet(struct ec_bhf_priv *priv, struct tx_desc *desc)
{
u32 len = le16_to_cpu(desc->header.len) + sizeof(desc->header);
u32 addr = (u8 *)desc - priv->tx_buf.buf;
iowrite32((ALIGN(len, 8) << 24) | addr, priv->fifo_io + FIFO_TX_REG);
dev_dbg(PRIV_TO_DEV(priv), "Done sending packet\n");
}
static int ec_bhf_desc_sent(struct tx_desc *desc)
{
return le32_to_cpu(desc->header.sent) & TX_HDR_SENT;
}
static void ec_bhf_process_tx(struct ec_bhf_priv *priv)
{
if (unlikely(netif_queue_stopped(priv->net_dev))) {
/* Make sure that we perceive changes to tx_dnext. */
smp_rmb();
if (ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext]))
netif_wake_queue(priv->net_dev);
}
}
static int ec_bhf_pkt_received(struct rx_desc *desc)
{
return le32_to_cpu(desc->header.recv) & RXHDR_NEXT_RECV_FLAG;
}
static void ec_bhf_add_rx_desc(struct ec_bhf_priv *priv, struct rx_desc *desc)
{
iowrite32(FIFO_RX_ADDR_VALID | ((u8 *)(desc) - priv->rx_buf.buf),
priv->fifo_io + FIFO_RX_REG);
}
static void ec_bhf_process_rx(struct ec_bhf_priv *priv)
{
struct rx_desc *desc = &priv->rx_descs[priv->rx_dnext];
struct device *dev = PRIV_TO_DEV(priv);
while (ec_bhf_pkt_received(desc)) {
int pkt_size = (le16_to_cpu(desc->header.len) &
RXHDR_LEN_MASK) - sizeof(struct rx_header) - 4;
u8 *data = desc->data;
struct sk_buff *skb;
skb = netdev_alloc_skb_ip_align(priv->net_dev, pkt_size);
dev_dbg(dev, "Received packet, size: %d\n", pkt_size);
if (skb) {
memcpy(skb_put(skb, pkt_size), data, pkt_size);
skb->protocol = eth_type_trans(skb, priv->net_dev);
dev_dbg(dev, "Protocol type: %x\n", skb->protocol);
priv->stat_rx_bytes += pkt_size;
netif_rx(skb);
} else {
dev_err_ratelimited(dev,
"Couldn't allocate a skb_buff for a packet of size %u\n",
pkt_size);
}
desc->header.recv = 0;
ec_bhf_add_rx_desc(priv, desc);
priv->rx_dnext = (priv->rx_dnext + 1) % priv->rx_dcount;
desc = &priv->rx_descs[priv->rx_dnext];
}
}
static enum hrtimer_restart ec_bhf_timer_fun(struct hrtimer *timer)
{
struct ec_bhf_priv *priv = container_of(timer, struct ec_bhf_priv,
hrtimer);
ec_bhf_process_rx(priv);
ec_bhf_process_tx(priv);
if (!netif_running(priv->net_dev))
return HRTIMER_NORESTART;
hrtimer_forward_now(timer, ktime_set(0, polling_frequency));
return HRTIMER_RESTART;
}
static int ec_bhf_setup_offsets(struct ec_bhf_priv *priv)
{
struct device *dev = PRIV_TO_DEV(priv);
unsigned block_count, i;
void * __iomem ec_info;
dev_dbg(dev, "Info block:\n");
dev_dbg(dev, "Type of function: %x\n", (unsigned)ioread16(priv->io));
dev_dbg(dev, "Revision of function: %x\n",
(unsigned)ioread16(priv->io + INFO_BLOCK_REV));
block_count = ioread8(priv->io + INFO_BLOCK_BLK_CNT);
dev_dbg(dev, "Number of function blocks: %x\n", block_count);
for (i = 0; i < block_count; i++) {
u16 type = ioread16(priv->io + i * INFO_BLOCK_SIZE +
INFO_BLOCK_TYPE);
if (type == ETHERCAT_MASTER_ID)
break;
}
if (i == block_count) {
dev_err(dev, "EtherCAT master with DMA block not found\n");
return -ENODEV;
}
dev_dbg(dev, "EtherCAT master with DMA block found at pos: %d\n", i);
ec_info = priv->io + i * INFO_BLOCK_SIZE;
dev_dbg(dev, "EtherCAT master revision: %d\n",
ioread16(ec_info + INFO_BLOCK_REV));
priv->tx_dma_chan = ioread8(ec_info + INFO_BLOCK_TX_CHAN);
dev_dbg(dev, "EtherCAT master tx dma channel: %d\n",
priv->tx_dma_chan);
priv->rx_dma_chan = ioread8(ec_info + INFO_BLOCK_RX_CHAN);
dev_dbg(dev, "EtherCAT master rx dma channel: %d\n",
priv->rx_dma_chan);
priv->ec_io = priv->io + ioread32(ec_info + INFO_BLOCK_OFFSET);
priv->mii_io = priv->ec_io + ioread32(priv->ec_io + EC_MII_OFFSET);
priv->fifo_io = priv->ec_io + ioread32(priv->ec_io + EC_FIFO_OFFSET);
priv->mac_io = priv->ec_io + ioread32(priv->ec_io + EC_MAC_OFFSET);
dev_dbg(dev,
"EtherCAT block addres: %p, fifo address: %p, mii address: %p, mac address: %p\n",
priv->ec_io, priv->fifo_io, priv->mii_io, priv->mac_io);
return 0;
}
static netdev_tx_t ec_bhf_start_xmit(struct sk_buff *skb,
struct net_device *net_dev)
{
struct ec_bhf_priv *priv = netdev_priv(net_dev);
struct tx_desc *desc;
unsigned len;
dev_dbg(PRIV_TO_DEV(priv), "Starting xmit\n");
desc = &priv->tx_descs[priv->tx_dnext];
skb_copy_and_csum_dev(skb, desc->data);
len = skb->len;
memset(&desc->header, 0, sizeof(desc->header));
desc->header.len = cpu_to_le16(len);
desc->header.port = TX_HDR_PORT_0;
ec_bhf_send_packet(priv, desc);
priv->tx_dnext = (priv->tx_dnext + 1) % priv->tx_dcount;
if (!ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext])) {
/* Make sure that update updates to tx_dnext are perceived
* by timer routine.
*/
smp_wmb();
netif_stop_queue(net_dev);
dev_dbg(PRIV_TO_DEV(priv), "Stopping netif queue\n");
ec_bhf_print_status(priv);
}
priv->stat_tx_bytes += len;
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
static int ec_bhf_alloc_dma_mem(struct ec_bhf_priv *priv,
struct bhf_dma *buf,
int channel,
int size)
{
int offset = channel * DMA_CHAN_SIZE + DMA_CHAN_OFFSET;
struct device *dev = PRIV_TO_DEV(priv);
u32 mask;
iowrite32(0xffffffff, priv->dma_io + offset);
mask = ioread32(priv->dma_io + offset);
mask &= DMA_WINDOW_SIZE_MASK;
dev_dbg(dev, "Read mask %x for channel %d\n", mask, channel);
/* We want to allocate a chunk of memory that is:
* - aligned to the mask we just read
* - is of size 2^mask bytes (at most)
* In order to ensure that we will allocate buffer of
* 2 * 2^mask bytes.
*/
buf->len = min_t(int, ~mask + 1, size);
buf->alloc_len = 2 * buf->len;
dev_dbg(dev, "Allocating %d bytes for channel %d",
(int)buf->alloc_len, channel);
buf->alloc = dma_alloc_coherent(dev, buf->alloc_len, &buf->alloc_phys,
GFP_KERNEL);
if (buf->alloc == NULL) {
dev_info(dev, "Failed to allocate buffer\n");
return -ENOMEM;
}
buf->buf_phys = (buf->alloc_phys + buf->len) & mask;
buf->buf = buf->alloc + (buf->buf_phys - buf->alloc_phys);
iowrite32(0, priv->dma_io + offset + 4);
iowrite32(buf->buf_phys, priv->dma_io + offset);
dev_dbg(dev, "Buffer: %x and read from dev: %x",
(unsigned)buf->buf_phys, ioread32(priv->dma_io + offset));
return 0;
}
static void ec_bhf_setup_tx_descs(struct ec_bhf_priv *priv)
{
int i = 0;
priv->tx_dcount = priv->tx_buf.len / sizeof(struct tx_desc);
priv->tx_descs = (struct tx_desc *) priv->tx_buf.buf;
priv->tx_dnext = 0;
for (i = 0; i < priv->tx_dcount; i++)
priv->tx_descs[i].header.sent = cpu_to_le32(TX_HDR_SENT);
}
static void ec_bhf_setup_rx_descs(struct ec_bhf_priv *priv)
{
int i;
priv->rx_dcount = priv->rx_buf.len / sizeof(struct rx_desc);
priv->rx_descs = (struct rx_desc *) priv->rx_buf.buf;
priv->rx_dnext = 0;
for (i = 0; i < priv->rx_dcount; i++) {
struct rx_desc *desc = &priv->rx_descs[i];
u32 next;
if (i != priv->rx_dcount - 1)
next = (u8 *)(desc + 1) - priv->rx_buf.buf;
else
next = 0;
next |= RXHDR_NEXT_VALID;
desc->header.next = cpu_to_le32(next);
desc->header.recv = 0;
ec_bhf_add_rx_desc(priv, desc);
}
}
static int ec_bhf_open(struct net_device *net_dev)
{
struct ec_bhf_priv *priv = netdev_priv(net_dev);
struct device *dev = PRIV_TO_DEV(priv);
int err = 0;
dev_info(dev, "Opening device\n");
ec_bhf_reset(priv);
err = ec_bhf_alloc_dma_mem(priv, &priv->rx_buf, priv->rx_dma_chan,
FIFO_SIZE * sizeof(struct rx_desc));
if (err) {
dev_err(dev, "Failed to allocate rx buffer\n");
goto out;
}
ec_bhf_setup_rx_descs(priv);
dev_info(dev, "RX buffer allocated, address: %x\n",
(unsigned)priv->rx_buf.buf_phys);
err = ec_bhf_alloc_dma_mem(priv, &priv->tx_buf, priv->tx_dma_chan,
FIFO_SIZE * sizeof(struct tx_desc));
if (err) {
dev_err(dev, "Failed to allocate tx buffer\n");
goto error_rx_free;
}
dev_dbg(dev, "TX buffer allocated, addres: %x\n",
(unsigned)priv->tx_buf.buf_phys);
iowrite8(0, priv->mii_io + MII_MAC_FILT_FLAG);
ec_bhf_setup_tx_descs(priv);
netif_start_queue(net_dev);
hrtimer_init(&priv->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
priv->hrtimer.function = ec_bhf_timer_fun;
hrtimer_start(&priv->hrtimer, ktime_set(0, polling_frequency),
HRTIMER_MODE_REL);
dev_info(PRIV_TO_DEV(priv), "Device open\n");
ec_bhf_print_status(priv);
return 0;
error_rx_free:
dma_free_coherent(dev, priv->rx_buf.alloc_len, priv->rx_buf.alloc,
priv->rx_buf.alloc_len);
out:
return err;
}
static int ec_bhf_stop(struct net_device *net_dev)
{
struct ec_bhf_priv *priv = netdev_priv(net_dev);
struct device *dev = PRIV_TO_DEV(priv);
hrtimer_cancel(&priv->hrtimer);
ec_bhf_reset(priv);
netif_tx_disable(net_dev);
dma_free_coherent(dev, priv->tx_buf.alloc_len,
priv->tx_buf.alloc, priv->tx_buf.alloc_phys);
dma_free_coherent(dev, priv->rx_buf.alloc_len,
priv->rx_buf.alloc, priv->rx_buf.alloc_phys);
return 0;
}
static struct rtnl_link_stats64 *
ec_bhf_get_stats(struct net_device *net_dev,
struct rtnl_link_stats64 *stats)
{
struct ec_bhf_priv *priv = netdev_priv(net_dev);
stats->rx_errors = ioread8(priv->mac_io + MAC_RX_ERR_CNT) +
ioread8(priv->mac_io + MAC_CRC_ERR_CNT) +
ioread8(priv->mac_io + MAC_FRAME_ERR_CNT);
stats->rx_packets = ioread32(priv->mac_io + MAC_RX_FRAME_CNT);
stats->tx_packets = ioread32(priv->mac_io + MAC_TX_FRAME_CNT);
stats->rx_dropped = ioread8(priv->mac_io + MAC_DROPPED_FRMS);
stats->tx_bytes = priv->stat_tx_bytes;
stats->rx_bytes = priv->stat_rx_bytes;
return stats;
}
static const struct net_device_ops ec_bhf_netdev_ops = {
.ndo_start_xmit = ec_bhf_start_xmit,
.ndo_open = ec_bhf_open,
.ndo_stop = ec_bhf_stop,
.ndo_get_stats64 = ec_bhf_get_stats,
.ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr
};
static int ec_bhf_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct net_device *net_dev;
struct ec_bhf_priv *priv;
void * __iomem dma_io;
void * __iomem io;
int err = 0;
err = pci_enable_device(dev);
if (err)
return err;
pci_set_master(dev);
err = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&dev->dev,
"Required dma mask not supported, failed to initialize device\n");
err = -EIO;
goto err_disable_dev;
}
err = pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&dev->dev,
"Required dma mask not supported, failed to initialize device\n");
goto err_disable_dev;
}
err = pci_request_regions(dev, "ec_bhf");
if (err) {
dev_err(&dev->dev, "Failed to request pci memory regions\n");
goto err_disable_dev;
}
io = pci_iomap(dev, 0, 0);
if (!io) {
dev_err(&dev->dev, "Failed to map pci card memory bar 0");
err = -EIO;
goto err_release_regions;
}
dma_io = pci_iomap(dev, 2, 0);
if (!dma_io) {
dev_err(&dev->dev, "Failed to map pci card memory bar 2");
err = -EIO;
goto err_unmap;
}
net_dev = alloc_etherdev(sizeof(struct ec_bhf_priv));
if (net_dev == 0) {
err = -ENOMEM;
goto err_unmap_dma_io;
}
pci_set_drvdata(dev, net_dev);
SET_NETDEV_DEV(net_dev, &dev->dev);
net_dev->features = 0;
net_dev->flags |= IFF_NOARP;
net_dev->netdev_ops = &ec_bhf_netdev_ops;
priv = netdev_priv(net_dev);
priv->net_dev = net_dev;
priv->io = io;
priv->dma_io = dma_io;
priv->dev = dev;
err = ec_bhf_setup_offsets(priv);
if (err < 0)
goto err_free_net_dev;
memcpy_fromio(net_dev->dev_addr, priv->mii_io + MII_MAC_ADDR, 6);
dev_dbg(&dev->dev, "CX5020 Ethercat master address: %pM\n",
net_dev->dev_addr);
err = register_netdev(net_dev);
if (err < 0)
goto err_free_net_dev;
return 0;
err_free_net_dev:
free_netdev(net_dev);
err_unmap_dma_io:
pci_iounmap(dev, dma_io);
err_unmap:
pci_iounmap(dev, io);
err_release_regions:
pci_release_regions(dev);
err_disable_dev:
pci_clear_master(dev);
pci_disable_device(dev);
return err;
}
static void ec_bhf_remove(struct pci_dev *dev)
{
struct net_device *net_dev = pci_get_drvdata(dev);
struct ec_bhf_priv *priv = netdev_priv(net_dev);
unregister_netdev(net_dev);
free_netdev(net_dev);
pci_iounmap(dev, priv->dma_io);
pci_iounmap(dev, priv->io);
pci_release_regions(dev);
pci_clear_master(dev);
pci_disable_device(dev);
}
static struct pci_driver pci_driver = {
.name = "ec_bhf",
.id_table = ids,
.probe = ec_bhf_probe,
.remove = ec_bhf_remove,
};
static int __init ec_bhf_init(void)
{
return pci_register_driver(&pci_driver);
}
static void __exit ec_bhf_exit(void)
{
pci_unregister_driver(&pci_driver);
}
module_init(ec_bhf_init);
module_exit(ec_bhf_exit);
module_param(polling_frequency, long, S_IRUGO);
MODULE_PARM_DESC(polling_frequency, "Polling timer frequency in ns");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Dariusz Marcinkiewicz <reksio@newterm.pl>");

6
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -4949,6 +4949,12 @@ static void be_eeh_resume(struct pci_dev *pdev)
if (status)
goto err;
/* On some BE3 FW versions, after a HW reset,
* interrupts will remain disabled for each function.
* So, explicitly enable interrupts
*/
be_intr_set(adapter, true);
/* tell fw we're ready to fire cmds */
status = be_cmd_fw_init(adapter);
if (status)

53
drivers/net/ethernet/jme.c
View File

@ -1988,7 +1988,7 @@ jme_alloc_txdesc(struct jme_adapter *jme,
return idx;
}
static void
static int
jme_fill_tx_map(struct pci_dev *pdev,
struct txdesc *txdesc,
struct jme_buffer_info *txbi,
@ -2005,6 +2005,9 @@ jme_fill_tx_map(struct pci_dev *pdev,
len,
PCI_DMA_TODEVICE);
if (unlikely(pci_dma_mapping_error(pdev, dmaaddr)))
return -EINVAL;
pci_dma_sync_single_for_device(pdev,
dmaaddr,
len,
@ -2021,9 +2024,30 @@ jme_fill_tx_map(struct pci_dev *pdev,
txbi->mapping = dmaaddr;
txbi->len = len;
return 0;
}
static void
static void jme_drop_tx_map(struct jme_adapter *jme, int startidx, int count)
{
struct jme_ring *txring = &(jme->txring[0]);
struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
int mask = jme->tx_ring_mask;
int j;
for (j = 0 ; j < count ; j++) {
ctxbi = txbi + ((startidx + j + 2) & (mask));
pci_unmap_page(jme->pdev,
ctxbi->mapping,
ctxbi->len,
PCI_DMA_TODEVICE);
ctxbi->mapping = 0;
ctxbi->len = 0;
}
}
static int
jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
{
struct jme_ring *txring = &(jme->txring[0]);
@ -2034,25 +2058,37 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
int mask = jme->tx_ring_mask;
const struct skb_frag_struct *frag;
u32 len;
int ret = 0;
for (i = 0 ; i < nr_frags ; ++i) {
frag = &skb_shinfo(skb)->frags[i];
ctxdesc = txdesc + ((idx + i + 2) & (mask));
ctxbi = txbi + ((idx + i + 2) & (mask));
jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
skb_frag_page(frag),
frag->page_offset, skb_frag_size(frag), hidma);
if (ret) {
jme_drop_tx_map(jme, idx, i);
goto out;
}
}
len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
ctxdesc = txdesc + ((idx + 1) & (mask));
ctxbi = txbi + ((idx + 1) & (mask));
jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
offset_in_page(skb->data), len, hidma);
if (ret)
jme_drop_tx_map(jme, idx, i);
out:
return ret;
}
static int
jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
{
@ -2131,6 +2167,7 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
struct txdesc *txdesc;
struct jme_buffer_info *txbi;
u8 flags;
int ret = 0;
txdesc = (struct txdesc *)txring->desc + idx;
txbi = txring->bufinf + idx;
@ -2155,7 +2192,10 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags))
jme_tx_csum(jme, skb, &flags);
jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags);
jme_map_tx_skb(jme, skb, idx);
ret = jme_map_tx_skb(jme, skb, idx);
if (ret)
return ret;
txdesc->desc1.flags = flags;
/*
* Set tx buffer info after telling NIC to send
@ -2228,7 +2268,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
return NETDEV_TX_BUSY;
}
jme_fill_tx_desc(jme, skb, idx);
if (jme_fill_tx_desc(jme, skb, idx))
return NETDEV_TX_OK;
jwrite32(jme, JME_TXCS, jme->reg_txcs |
TXCS_SELECT_QUEUE0 |

4
drivers/net/ethernet/mellanox/mlx4/cmd.c
View File

@ -1253,12 +1253,12 @@ static struct mlx4_cmd_info cmd_info[] = {
},
{
.opcode = MLX4_CMD_UPDATE_QP,
.has_inbox = false,
.has_inbox = true,
.has_outbox = false,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
.wrapper = mlx4_CMD_EPERM_wrapper
.wrapper = mlx4_UPDATE_QP_wrapper
},
{
.opcode = MLX4_CMD_GET_OP_REQ,

6
drivers/net/ethernet/mellanox/mlx4/mlx4.h
View File

@ -1195,6 +1195,12 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd);
int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd);
int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,

35
drivers/net/ethernet/mellanox/mlx4/qp.c
View File

@ -389,6 +389,41 @@ err_icm:
EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
#define MLX4_UPDATE_QP_SUPPORTED_ATTRS MLX4_UPDATE_QP_SMAC
int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
enum mlx4_update_qp_attr attr,
struct mlx4_update_qp_params *params)
{
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_update_qp_context *cmd;
u64 pri_addr_path_mask = 0;
int err = 0;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
cmd = (struct mlx4_update_qp_context *)mailbox->buf;
if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS))
return -EINVAL;
if (attr & MLX4_UPDATE_QP_SMAC) {
pri_addr_path_mask |= 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX;
cmd->qp_context.pri_path.grh_mylmc = params->smac_index;
}
cmd->primary_addr_path_mask = cpu_to_be64(pri_addr_path_mask);
err = mlx4_cmd(dev, mailbox->dma, qp->qpn & 0xffffff, 0,
MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_NATIVE);
mlx4_free_cmd_mailbox(dev, mailbox);
return err;
}
EXPORT_SYMBOL_GPL(mlx4_update_qp);
void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp)
{
struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;

54
drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
View File

@ -3895,6 +3895,60 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
}
#define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)
int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
struct mlx4_cmd_mailbox *outbox,
struct mlx4_cmd_info *cmd_info)
{
int err;
u32 qpn = vhcr->in_modifier & 0xffffff;
struct res_qp *rqp;
u64 mac;
unsigned port;
u64 pri_addr_path_mask;
struct mlx4_update_qp_context *cmd;
int smac_index;
cmd = (struct mlx4_update_qp_context *)inbox->buf;
pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
(pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
return -EPERM;
/* Just change the smac for the QP */
err = get_res(dev, slave, qpn, RES_QP, &rqp);
if (err) {
mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
return err;
}
port = (rqp->sched_queue >> 6 & 1) + 1;
smac_index = cmd->qp_context.pri_path.grh_mylmc;
err = mac_find_smac_ix_in_slave(dev, slave, port,
smac_index, &mac);
if (err) {
mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
qpn, smac_index);
goto err_mac;
}
err = mlx4_cmd(dev, inbox->dma,
vhcr->in_modifier, 0,
MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
MLX4_CMD_NATIVE);
if (err) {
mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
goto err_mac;
}
err_mac:
put_res(dev, slave, qpn, RES_QP);
return err;
}
int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,

16
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View File

@ -1719,22 +1719,6 @@ static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
tx_ring->producer;
}
static inline int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
struct net_device *netdev)
{
int err;
netdev->num_tx_queues = adapter->drv_tx_rings;
netdev->real_num_tx_queues = adapter->drv_tx_rings;
err = netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
if (err)
netdev_err(netdev, "failed to set %d Tx queues\n",
adapter->drv_tx_rings);
return err;
}
struct qlcnic_nic_template {
int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
int (*config_led) (struct qlcnic_adapter *, u32, u32);

57
drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
View File

@ -2206,6 +2206,31 @@ static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
ahw->max_uc_count = count;
}
static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
u8 tx_queues, u8 rx_queues)
{
struct net_device *netdev = adapter->netdev;
int err = 0;
if (tx_queues) {
err = netif_set_real_num_tx_queues(netdev, tx_queues);
if (err) {
netdev_err(netdev, "failed to set %d Tx queues\n",
tx_queues);
return err;
}
}
if (rx_queues) {
err = netif_set_real_num_rx_queues(netdev, rx_queues);
if (err)
netdev_err(netdev, "failed to set %d Rx queues\n",
rx_queues);
}
return err;
}
int
qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
int pci_using_dac)
@ -2269,7 +2294,8 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
netdev->priv_flags |= IFF_UNICAST_FLT;
netdev->irq = adapter->msix_entries[0].vector;
err = qlcnic_set_real_num_queues(adapter, netdev);
err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
adapter->drv_sds_rings);
if (err)
return err;
@ -2943,9 +2969,13 @@ static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
tx_ring->tx_stats.xmit_called,
tx_ring->tx_stats.xmit_on,
tx_ring->tx_stats.xmit_off);
if (tx_ring->crb_intr_mask)
netdev_info(netdev, "crb_intr_mask=%d\n",
readl(tx_ring->crb_intr_mask));
netdev_info(netdev,
"crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
readl(tx_ring->crb_intr_mask),
"hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
readl(tx_ring->crb_cmd_producer),
tx_ring->producer, tx_ring->sw_consumer,
le32_to_cpu(*(tx_ring->hw_consumer)));
@ -3978,12 +4008,21 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
u8 tx_rings, rx_rings;
int err;
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
tx_rings = adapter->drv_tss_rings;
rx_rings = adapter->drv_rss_rings;
netif_device_detach(netdev);
err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
if (err)
goto done;
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
@ -4003,7 +4042,17 @@ int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
return err;
}
netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
/* Check if we need to update real_num_{tx|rx}_queues because
* qlcnic_setup_intr() may change Tx/Rx rings size
*/
if ((tx_rings != adapter->drv_tx_rings) ||
(rx_rings != adapter->drv_sds_rings)) {
err = qlcnic_set_real_num_queues(adapter,
adapter->drv_tx_rings,
adapter->drv_sds_rings);
if (err)
goto done;
}
if (qlcnic_83xx_check(adapter)) {
qlcnic_83xx_initialize_nic(adapter, 1);

14
drivers/net/ethernet/sfc/nic.c
View File

@ -156,13 +156,15 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
efx->net_dev->rx_cpu_rmap = NULL;
#endif
/* Disable MSI/MSI-X interrupts */
efx_for_each_channel(channel, efx)
free_irq(channel->irq, &efx->msi_context[channel->channel]);
/* Disable legacy interrupt */
if (efx->legacy_irq)
if (EFX_INT_MODE_USE_MSI(efx)) {
/* Disable MSI/MSI-X interrupts */
efx_for_each_channel(channel, efx)
free_irq(channel->irq,
&efx->msi_context[channel->channel]);
} else {
/* Disable legacy interrupt */
free_irq(efx->legacy_irq, efx);
}
}
/* Register dump */

4
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
View File

@ -1704,7 +1704,7 @@ static int stmmac_open(struct net_device *dev)
if (ret) {
pr_err("%s: Cannot attach to PHY (error: %d)\n",
__func__, ret);
goto phy_error;
return ret;
}
}
@ -1779,8 +1779,6 @@ init_error:
dma_desc_error:
if (priv->phydev)
phy_disconnect(priv->phydev);
phy_error:
clk_disable_unprepare(priv->stmmac_clk);
return ret;
}

2
drivers/net/ethernet/sun/cassini.c
View File

@ -246,7 +246,7 @@ static inline void cas_lock_tx(struct cas *cp)
int i;
for (i = 0; i < N_TX_RINGS; i++)
spin_lock(&cp->tx_lock[i]);
spin_lock_nested(&cp->tx_lock[i], i);
}
static inline void cas_lock_all(struct cas *cp)

17
drivers/net/ethernet/ti/cpsw.c
View File

@ -1871,18 +1871,13 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
phyid = be32_to_cpup(parp+1);
mdio = of_find_device_by_node(mdio_node);
if (strncmp(mdio->name, "gpio", 4) == 0) {
/* GPIO bitbang MDIO driver attached */
struct mii_bus *bus = dev_get_drvdata(&mdio->dev);
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
PHY_ID_FMT, bus->id, phyid);
} else {
/* davinci MDIO driver attached */
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
PHY_ID_FMT, mdio->name, phyid);
of_node_put(mdio_node);
if (!mdio) {
pr_err("Missing mdio platform device\n");
return -EINVAL;
}
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
PHY_ID_FMT, mdio->name, phyid);
mac_addr = of_get_mac_address(slave_node);
if (mac_addr)

18
drivers/net/macvlan.c
View File

@ -458,8 +458,10 @@ static void macvlan_change_rx_flags(struct net_device *dev, int change)
struct macvlan_dev *vlan = netdev_priv(dev);
struct net_device *lowerdev = vlan->lowerdev;
if (change & IFF_ALLMULTI)
dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
if (dev->flags & IFF_UP) {
if (change & IFF_ALLMULTI)
dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
}
}
static void macvlan_set_mac_lists(struct net_device *dev)
@ -515,6 +517,11 @@ static struct lock_class_key macvlan_netdev_addr_lock_key;
#define MACVLAN_STATE_MASK \
((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
static int macvlan_get_nest_level(struct net_device *dev)
{
return ((struct macvlan_dev *)netdev_priv(dev))->nest_level;
}
static void macvlan_set_lockdep_class_one(struct net_device *dev,
struct netdev_queue *txq,
void *_unused)
@ -525,8 +532,9 @@ static void macvlan_set_lockdep_class_one(struct net_device *dev,
static void macvlan_set_lockdep_class(struct net_device *dev)
{
lockdep_set_class(&dev->addr_list_lock,
&macvlan_netdev_addr_lock_key);
lockdep_set_class_and_subclass(&dev->addr_list_lock,
&macvlan_netdev_addr_lock_key,
macvlan_get_nest_level(dev));
netdev_for_each_tx_queue(dev, macvlan_set_lockdep_class_one, NULL);
}
@ -721,6 +729,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
.ndo_fdb_add = macvlan_fdb_add,
.ndo_fdb_del = macvlan_fdb_del,
.ndo_fdb_dump = ndo_dflt_fdb_dump,
.ndo_get_lock_subclass = macvlan_get_nest_level,
};
void macvlan_common_setup(struct net_device *dev)
@ -849,6 +858,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
vlan->dev = dev;
vlan->port = port;
vlan->set_features = MACVLAN_FEATURES;
vlan->nest_level = dev_get_nest_level(lowerdev, netif_is_macvlan) + 1;
vlan->mode = MACVLAN_MODE_VEPA;
if (data && data[IFLA_MACVLAN_MODE])

4
drivers/net/phy/mdio-gpio.c
View File

@ -215,6 +215,10 @@ static int mdio_gpio_probe(struct platform_device *pdev)
if (pdev->dev.of_node) {
pdata = mdio_gpio_of_get_data(pdev);
bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
if (bus_id < 0) {
dev_warn(&pdev->dev, "failed to get alias id\n");
bus_id = 0;
}
} else {
pdata = dev_get_platdata(&pdev->dev);
bus_id = pdev->id;

16
drivers/net/phy/phy.c
View File

@ -715,7 +715,7 @@ void phy_state_machine(struct work_struct *work)
struct delayed_work *dwork = to_delayed_work(work);
struct phy_device *phydev =
container_of(dwork, struct phy_device, state_queue);
int needs_aneg = 0, do_suspend = 0;
bool needs_aneg = false, do_suspend = false, do_resume = false;
int err = 0;
mutex_lock(&phydev->lock);
@ -727,7 +727,7 @@ void phy_state_machine(struct work_struct *work)
case PHY_PENDING:
break;
case PHY_UP:
needs_aneg = 1;
needs_aneg = true;
phydev->link_timeout = PHY_AN_TIMEOUT;
@ -757,7 +757,7 @@ void phy_state_machine(struct work_struct *work)
phydev->adjust_link(phydev->attached_dev);
} else if (0 == phydev->link_timeout--)
needs_aneg = 1;
needs_aneg = true;
break;
case PHY_NOLINK:
err = phy_read_status(phydev);
@ -791,7 +791,7 @@ void phy_state_machine(struct work_struct *work)
netif_carrier_on(phydev->attached_dev);
} else {
if (0 == phydev->link_timeout--)
needs_aneg = 1;
needs_aneg = true;
}
phydev->adjust_link(phydev->attached_dev);
@ -827,7 +827,7 @@ void phy_state_machine(struct work_struct *work)
phydev->link = 0;
netif_carrier_off(phydev->attached_dev);
phydev->adjust_link(phydev->attached_dev);
do_suspend = 1;
do_suspend = true;
}
break;
case PHY_RESUMING:
@ -876,6 +876,7 @@ void phy_state_machine(struct work_struct *work)
}
phydev->adjust_link(phydev->attached_dev);
}
do_resume = true;
break;
}
@ -883,9 +884,10 @@ void phy_state_machine(struct work_struct *work)
if (needs_aneg)
err = phy_start_aneg(phydev);
if (do_suspend)
else if (do_suspend)
phy_suspend(phydev);
else if (do_resume)
phy_resume(phydev);
if (err < 0)
phy_error(phydev);

4
drivers/net/phy/phy_device.c
View File

@ -614,8 +614,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
err = phy_init_hw(phydev);
if (err)
phy_detach(phydev);
phy_resume(phydev);
else
phy_resume(phydev);
return err;
}

57
drivers/net/usb/cdc_mbim.c
View File

@ -120,6 +120,16 @@ static void cdc_mbim_unbind(struct usbnet *dev, struct usb_interface *intf)
cdc_ncm_unbind(dev, intf);
}
/* verify that the ethernet protocol is IPv4 or IPv6 */
static bool is_ip_proto(__be16 proto)
{
switch (proto) {
case htons(ETH_P_IP):
case htons(ETH_P_IPV6):
return true;
}
return false;
}
static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
{
@ -128,6 +138,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
struct cdc_ncm_ctx *ctx = info->ctx;
__le32 sign = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN);
u16 tci = 0;
bool is_ip;
u8 *c;
if (!ctx)
@ -137,25 +148,32 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
if (skb->len <= ETH_HLEN)
goto error;
/* Some applications using e.g. packet sockets will
* bypass the VLAN acceleration and create tagged
* ethernet frames directly. We primarily look for
* the accelerated out-of-band tag, but fall back if
* required
*/
skb_reset_mac_header(skb);
if (vlan_get_tag(skb, &tci) < 0 && skb->len > VLAN_ETH_HLEN &&
__vlan_get_tag(skb, &tci) == 0) {
is_ip = is_ip_proto(vlan_eth_hdr(skb)->h_vlan_encapsulated_proto);
skb_pull(skb, VLAN_ETH_HLEN);
} else {
is_ip = is_ip_proto(eth_hdr(skb)->h_proto);
skb_pull(skb, ETH_HLEN);
}
/* mapping VLANs to MBIM sessions:
* no tag => IPS session <0>
* 1 - 255 => IPS session <vlanid>
* 256 - 511 => DSS session <vlanid - 256>
* 512 - 4095 => unsupported, drop
*/
vlan_get_tag(skb, &tci);
switch (tci & 0x0f00) {
case 0x0000: /* VLAN ID 0 - 255 */
/* verify that datagram is IPv4 or IPv6 */
skb_reset_mac_header(skb);
switch (eth_hdr(skb)->h_proto) {
case htons(ETH_P_IP):
case htons(ETH_P_IPV6):
break;
default:
if (!is_ip)
goto error;
}
c = (u8 *)&sign;
c[3] = tci;
break;
@ -169,7 +187,6 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
"unsupported tci=0x%04x\n", tci);
goto error;
}
skb_pull(skb, ETH_HLEN);
}
spin_lock_bh(&ctx->mtx);
@ -204,17 +221,23 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
return;
/* need to send the NA on the VLAN dev, if any */
if (tci)
rcu_read_lock();
if (tci) {
netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q),
tci);
else
if (!netdev) {
rcu_read_unlock();
return;
}
} else {
netdev = dev->net;
if (!netdev)
return;
}
dev_hold(netdev);
rcu_read_unlock();
in6_dev = in6_dev_get(netdev);
if (!in6_dev)
return;
goto out;
is_router = !!in6_dev->cnf.forwarding;
in6_dev_put(in6_dev);
@ -224,6 +247,8 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
true /* solicited */,
false /* override */,
true /* inc_opt */);
out:
dev_put(netdev);
}
static bool is_neigh_solicit(u8 *buf, size_t len)

5
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -95,8 +95,10 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
if ((vif->type == NL80211_IFTYPE_AP ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
bss_conf->enable_beacon)
bss_conf->enable_beacon) {
priv->reconfig_beacon = true;
priv->rearm_ani = true;
}
if (bss_conf->assoc) {
priv->rearm_ani = true;
@ -257,6 +259,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
ath9k_htc_ps_wakeup(priv);
ath9k_htc_stop_ani(priv);
del_timer_sync(&priv->tx.cleanup_timer);
ath9k_htc_tx_drain(priv);

2
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -4948,7 +4948,7 @@ static int brcmf_enable_bw40_2g(struct brcmf_if *ifp)
if (!err) {
/* only set 2G bandwidth using bw_cap command */
band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
band_bwcap.bw_cap = cpu_to_le32(WLC_BW_40MHZ_BIT);
band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
sizeof(band_bwcap));
} else {

6
drivers/net/wireless/iwlwifi/mvm/coex.c
View File

@ -611,14 +611,14 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
if (IWL_MVM_BT_COEX_CORUNNING) {
bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_CORUN_LUT_20 |
BT_VALID_CORUN_LUT_40);
bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
BT_VALID_CORUN_LUT_40);
bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
}
if (IWL_MVM_BT_COEX_MPLUT) {
bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
}
if (mvm->cfg->bt_shared_single_ant)

8
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
View File

@ -183,9 +183,9 @@ enum iwl_scan_type {
* this number of packets were received (typically 1)
* @passive2active: is auto switching from passive to active during scan allowed
* @rxchain_sel_flags: RXON_RX_CHAIN_*
* @max_out_time: in usecs, max out of serving channel time
* @max_out_time: in TUs, max out of serving channel time
* @suspend_time: how long to pause scan when returning to service channel:
* bits 0-19: beacon interal in usecs (suspend before executing)
* bits 0-19: beacon interal in TUs (suspend before executing)
* bits 20-23: reserved
* bits 24-31: number of beacons (suspend between channels)
* @rxon_flags: RXON_FLG_*
@ -383,8 +383,8 @@ enum scan_framework_client {
* @quiet_plcp_th: quiet channel num of packets threshold
* @good_CRC_th: passive to active promotion threshold
* @rx_chain: RXON rx chain.
* @max_out_time: max uSec to be out of assoceated channel
* @suspend_time: pause scan this long when returning to service channel
* @max_out_time: max TUs to be out of assoceated channel
* @suspend_time: pause scan this TUs when returning to service channel
* @flags: RXON flags
* @filter_flags: RXONfilter
* @tx_cmd: tx command for active scan; for 2GHz and for 5GHz.

9
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -1007,7 +1007,7 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
if (ret)
IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
}
@ -1023,7 +1023,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
return;
ieee80211_iterate_active_interfaces(
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_mc_iface_iterator, &iter_data);
}
@ -1807,6 +1807,11 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
mutex_lock(&mvm->mutex);
if (!iwl_mvm_is_idle(mvm)) {
ret = -EBUSY;
goto out;
}
switch (mvm->scan_status) {
case IWL_MVM_SCAN_OS:
IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n");

3
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -1003,6 +1003,9 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
return mvmvif->low_latency;
}
/* Assoc status */
bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
/* Thermal management and CT-kill */
void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
void iwl_mvm_tt_handler(struct iwl_mvm *mvm);

2
drivers/net/wireless/iwlwifi/mvm/rs.c
View File

@ -1010,7 +1010,7 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband,
return;
}
#ifdef CPTCFG_MAC80211_DEBUGFS
#ifdef CONFIG_MAC80211_DEBUGFS
/* Disable last tx check if we are debugging with fixed rate */
if (lq_sta->dbg_fixed_rate) {
IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n");

55
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -277,51 +277,22 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_scan_condition_iterator,
&global_bound);
/*
* Under low latency traffic passive scan is fragmented meaning
* that dwell on a particular channel will be fragmented. Each fragment
* dwell time is 20ms and fragments period is 105ms. Skipping to next
* channel will be delayed by the same period - 105ms. So suspend_time
* parameter describing both fragments and channels skipping periods is
* set to 105ms. This value is chosen so that overall passive scan
* duration will not be too long. Max_out_time in this case is set to
* 70ms, so for active scanning operating channel will be left for 70ms
* while for passive still for 20ms (fragment dwell).
*/
if (global_bound) {
if (!iwl_mvm_low_latency(mvm)) {
params->suspend_time = ieee80211_tu_to_usec(100);
params->max_out_time = ieee80211_tu_to_usec(600);
} else {
params->suspend_time = ieee80211_tu_to_usec(105);
/* P2P doesn't support fragmented passive scan, so
* configure max_out_time to be at least longest dwell
* time for passive scan.
*/
if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
params->max_out_time = ieee80211_tu_to_usec(70);
params->passive_fragmented = true;
} else {
u32 passive_dwell;
/*
* Use band G so that passive channel dwell time
* will be assigned with maximum value.
*/
band = IEEE80211_BAND_2GHZ;
passive_dwell = iwl_mvm_get_passive_dwell(band);
params->max_out_time =
ieee80211_tu_to_usec(passive_dwell);
}
}
if (!global_bound)
goto not_bound;
params->suspend_time = 100;
params->max_out_time = 600;
if (iwl_mvm_low_latency(mvm)) {
params->suspend_time = 250;
params->max_out_time = 250;
}
not_bound:
for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
if (params->passive_fragmented)
params->dwell[band].passive = 20;
else
params->dwell[band].passive =
iwl_mvm_get_passive_dwell(band);
params->dwell[band].passive = iwl_mvm_get_passive_dwell(band);
params->dwell[band].active = iwl_mvm_get_active_dwell(band,
n_ssids);
}
@ -761,7 +732,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels;
int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels;
int head = 0;
int tail = band_2ghz + band_5ghz;
int tail = band_2ghz + band_5ghz - 1;
u32 ssid_bitmap;
int cmd_len;
int ret;

19
drivers/net/wireless/iwlwifi/mvm/utils.c
View File

@ -644,3 +644,22 @@ bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
return result;
}
static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
{
bool *idle = _data;
if (!vif->bss_conf.idle)
*idle = false;
}
bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
{
bool idle = true;
ieee80211_iterate_active_interfaces_atomic(
mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_idle_iter, &idle);
return idle;
}

10
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -1749,6 +1749,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
* PCI Tx retries from interfering with C3 CPU state */
pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
trans->dev = &pdev->dev;
trans_pcie->pci_dev = pdev;
iwl_disable_interrupts(trans);
err = pci_enable_msi(pdev);
if (err) {
dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err);
@ -1760,8 +1764,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
}
}
trans->dev = &pdev->dev;
trans_pcie->pci_dev = pdev;
trans->hw_rev = iwl_read32(trans, CSR_HW_REV);
trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;
snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),
@ -1787,8 +1789,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
goto out_pci_disable_msi;
}
trans_pcie->inta_mask = CSR_INI_SET_MASK;
if (iwl_pcie_alloc_ict(trans))
goto out_free_cmd_pool;
@ -1800,6 +1800,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
goto out_free_ict;
}
trans_pcie->inta_mask = CSR_INI_SET_MASK;
return trans;
out_free_ict:

2
drivers/net/xen-netback/common.h
View File

@ -226,7 +226,7 @@ int xenvif_map_frontend_rings(struct xenvif *vif,
grant_ref_t rx_ring_ref);
/* Check for SKBs from frontend and schedule backend processing */
void xenvif_check_rx_xenvif(struct xenvif *vif);
void xenvif_napi_schedule_or_enable_events(struct xenvif *vif);
/* Prevent the device from generating any further traffic. */
void xenvif_carrier_off(struct xenvif *vif);

30
drivers/net/xen-netback/interface.c
View File

@ -75,32 +75,8 @@ static int xenvif_poll(struct napi_struct *napi, int budget)
work_done = xenvif_tx_action(vif, budget);
if (work_done < budget) {
int more_to_do = 0;
unsigned long flags;
/* It is necessary to disable IRQ before calling
* RING_HAS_UNCONSUMED_REQUESTS. Otherwise we might
* lose event from the frontend.
*
* Consider:
* RING_HAS_UNCONSUMED_REQUESTS
* <frontend generates event to trigger napi_schedule>
* __napi_complete
*
* This handler is still in scheduled state so the
* event has no effect at all. After __napi_complete
* this handler is descheduled and cannot get
* scheduled again. We lose event in this case and the ring
* will be completely stalled.
*/
local_irq_save(flags);
RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, more_to_do);
if (!more_to_do)
__napi_complete(napi);
local_irq_restore(flags);
napi_complete(napi);
xenvif_napi_schedule_or_enable_events(vif);
}
return work_done;
@ -194,7 +170,7 @@ static void xenvif_up(struct xenvif *vif)
enable_irq(vif->tx_irq);
if (vif->tx_irq != vif->rx_irq)
enable_irq(vif->rx_irq);
xenvif_check_rx_xenvif(vif);
xenvif_napi_schedule_or_enable_events(vif);
}
static void xenvif_down(struct xenvif *vif)

102
drivers/net/xen-netback/netback.c
View File

@ -104,7 +104,7 @@ static inline unsigned long idx_to_kaddr(struct xenvif *vif,
/* Find the containing VIF's structure from a pointer in pending_tx_info array
*/
static inline struct xenvif* ubuf_to_vif(struct ubuf_info *ubuf)
static inline struct xenvif *ubuf_to_vif(const struct ubuf_info *ubuf)
{
u16 pending_idx = ubuf->desc;
struct pending_tx_info *temp =
@ -322,6 +322,35 @@ static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
}
}
/*
* Find the grant ref for a given frag in a chain of struct ubuf_info's
* skb: the skb itself
* i: the frag's number
* ubuf: a pointer to an element in the chain. It should not be NULL
*
* Returns a pointer to the element in the chain where the page were found. If
* not found, returns NULL.
* See the definition of callback_struct in common.h for more details about
* the chain.
*/
static const struct ubuf_info *xenvif_find_gref(const struct sk_buff *const skb,
const int i,
const struct ubuf_info *ubuf)
{
struct xenvif *foreign_vif = ubuf_to_vif(ubuf);
do {
u16 pending_idx = ubuf->desc;
if (skb_shinfo(skb)->frags[i].page.p ==
foreign_vif->mmap_pages[pending_idx])
break;
ubuf = (struct ubuf_info *) ubuf->ctx;
} while (ubuf);
return ubuf;
}
/*
* Prepare an SKB to be transmitted to the frontend.
*
@ -346,9 +375,8 @@ static int xenvif_gop_skb(struct sk_buff *skb,
int head = 1;
int old_meta_prod;
int gso_type;
struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
grant_ref_t foreign_grefs[MAX_SKB_FRAGS];
struct xenvif *foreign_vif = NULL;
const struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
const struct ubuf_info *const head_ubuf = ubuf;
old_meta_prod = npo->meta_prod;
@ -386,19 +414,6 @@ static int xenvif_gop_skb(struct sk_buff *skb,
npo->copy_off = 0;
npo->copy_gref = req->gref;
if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
(ubuf->callback == &xenvif_zerocopy_callback)) {
int i = 0;
foreign_vif = ubuf_to_vif(ubuf);
do {
u16 pending_idx = ubuf->desc;
foreign_grefs[i++] =
foreign_vif->pending_tx_info[pending_idx].req.gref;
ubuf = (struct ubuf_info *) ubuf->ctx;
} while (ubuf);
}
data = skb->data;
while (data < skb_tail_pointer(skb)) {
unsigned int offset = offset_in_page(data);
@ -415,13 +430,60 @@ static int xenvif_gop_skb(struct sk_buff *skb,
}
for (i = 0; i < nr_frags; i++) {
/* This variable also signals whether foreign_gref has a real
* value or not.
*/
struct xenvif *foreign_vif = NULL;
grant_ref_t foreign_gref;
if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
(ubuf->callback == &xenvif_zerocopy_callback)) {
const struct ubuf_info *const startpoint = ubuf;
/* Ideally ubuf points to the chain element which
* belongs to this frag. Or if frags were removed from
* the beginning, then shortly before it.
*/
ubuf = xenvif_find_gref(skb, i, ubuf);
/* Try again from the beginning of the list, if we
* haven't tried from there. This only makes sense in
* the unlikely event of reordering the original frags.
* For injected local pages it's an unnecessary second
* run.
*/
if (unlikely(!ubuf) && startpoint != head_ubuf)
ubuf = xenvif_find_gref(skb, i, head_ubuf);
if (likely(ubuf)) {
u16 pending_idx = ubuf->desc;
foreign_vif = ubuf_to_vif(ubuf);
foreign_gref = foreign_vif->pending_tx_info[pending_idx].req.gref;
/* Just a safety measure. If this was the last
* element on the list, the for loop will
* iterate again if a local page were added to
* the end. Using head_ubuf here prevents the
* second search on the chain. Or the original
* frags changed order, but that's less likely.
* In any way, ubuf shouldn't be NULL.
*/
ubuf = ubuf->ctx ?
(struct ubuf_info *) ubuf->ctx :
head_ubuf;
} else
/* This frag was a local page, added to the
* array after the skb left netback.
*/
ubuf = head_ubuf;
}
xenvif_gop_frag_copy(vif, skb, npo,
skb_frag_page(&skb_shinfo(skb)->frags[i]),
skb_frag_size(&skb_shinfo(skb)->frags[i]),
skb_shinfo(skb)->frags[i].page_offset,
&head,
foreign_vif,
foreign_grefs[i]);
foreign_vif ? foreign_gref : UINT_MAX);
}
return npo->meta_prod - old_meta_prod;
@ -654,7 +716,7 @@ done:
notify_remote_via_irq(vif->rx_irq);
}
void xenvif_check_rx_xenvif(struct xenvif *vif)
void xenvif_napi_schedule_or_enable_events(struct xenvif *vif)
{
int more_to_do;
@ -688,7 +750,7 @@ static void tx_credit_callback(unsigned long data)
{
struct xenvif *vif = (struct xenvif *)data;
tx_add_credit(vif);
xenvif_check_rx_xenvif(vif);
xenvif_napi_schedule_or_enable_events(vif);
}
static void xenvif_tx_err(struct xenvif *vif,

3
drivers/ptp/Kconfig
View File

@ -6,6 +6,7 @@ menu "PTP clock support"
config PTP_1588_CLOCK
tristate "PTP clock support"
depends on NET
select PPS
select NET_PTP_CLASSIFY
help
@ -74,7 +75,7 @@ config DP83640_PHY
config PTP_1588_CLOCK_PCH
tristate "Intel PCH EG20T as PTP clock"
depends on X86 || COMPILE_TEST
depends on HAS_IOMEM
depends on HAS_IOMEM && NET
select PTP_1588_CLOCK
help
This driver adds support for using the PCH EG20T as a PTP

1
include/linux/if_macvlan.h
View File

@ -56,6 +56,7 @@ struct macvlan_dev {
int numqueues;
netdev_features_t tap_features;
int minor;
int nest_level;
};
static inline void macvlan_count_rx(const struct macvlan_dev *vlan,

15
include/linux/if_vlan.h
View File

@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
/* found in socket.c */
extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
static inline int is_vlan_dev(struct net_device *dev)
static inline bool is_vlan_dev(struct net_device *dev)
{
return dev->priv_flags & IFF_802_1Q_VLAN;
}
@ -159,6 +159,7 @@ struct vlan_dev_priv {
#ifdef CONFIG_NET_POLL_CONTROLLER
struct netpoll *netpoll;
#endif
unsigned int nest_level;
};
static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
const struct net_device *by_dev);
extern bool vlan_uses_dev(const struct net_device *dev);
static inline int vlan_get_encap_level(struct net_device *dev)
{
BUG_ON(!is_vlan_dev(dev));
return vlan_dev_priv(dev)->nest_level;
}
#else
static inline struct net_device *
__vlan_find_dev_deep(struct net_device *real_dev,
@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev)
{
return false;
}
static inline int vlan_get_encap_level(struct net_device *dev)
{
BUG();
return 0;
}
#endif
static inline bool vlan_hw_offload_capable(netdev_features_t features,
@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
*/
skb->protocol = htons(ETH_P_802_2);
}
#endif /* !(_LINUX_IF_VLAN_H_) */

11
include/linux/mlx4/qp.h
View File

@ -421,6 +421,17 @@ struct mlx4_wqe_inline_seg {
__be32 byte_count;
};
enum mlx4_update_qp_attr {
MLX4_UPDATE_QP_SMAC = 1 << 0,
};
struct mlx4_update_qp_params {
u8 smac_index;
};
int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
enum mlx4_update_qp_attr attr,
struct mlx4_update_qp_params *params);
int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,

15
include/linux/net.h
View File

@ -248,24 +248,17 @@ do { \
bool __net_get_random_once(void *buf, int nbytes, bool *done,
struct static_key *done_key);
#ifdef HAVE_JUMP_LABEL
#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
{ .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
#else /* !HAVE_JUMP_LABEL */
#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
#endif /* HAVE_JUMP_LABEL */
#define net_get_random_once(buf, nbytes) \
({ \
bool ___ret = false; \
static bool ___done = false; \
static struct static_key ___done_key = \
___NET_RANDOM_STATIC_KEY_INIT; \
if (!static_key_true(&___done_key)) \
static struct static_key ___once_key = \
STATIC_KEY_INIT_TRUE; \
if (static_key_true(&___once_key)) \
___ret = __net_get_random_once(buf, \
nbytes, \
&___done, \
&___done_key); \
&___once_key); \
___ret; \
})

34
include/linux/netdevice.h
View File

@ -1144,6 +1144,7 @@ struct net_device_ops {
netdev_tx_t (*ndo_dfwd_start_xmit) (struct sk_buff *skb,
struct net_device *dev,
void *priv);
int (*ndo_get_lock_subclass)(struct net_device *dev);
};
/**
@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev)
static inline void netif_addr_lock_nested(struct net_device *dev)
{
spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
int subclass = SINGLE_DEPTH_NESTING;
if (dev->netdev_ops->ndo_get_lock_subclass)
subclass = dev->netdev_ops->ndo_get_lock_subclass(dev);
spin_lock_nested(&dev->addr_list_lock, subclass);
}
static inline void netif_addr_lock_bh(struct net_device *dev)
@ -3050,9 +3056,18 @@ extern int weight_p;
extern int bpf_jit_enable;
bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter);
struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter);
/* iterate through upper list, must be called under RCU read lock */
#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \
for (iter = &(dev)->adj_list.upper, \
updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \
updev; \
updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))
/* iterate through upper list, must be called under RCU read lock */
#define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \
for (iter = &(dev)->all_adj_list.upper, \
@ -3077,6 +3092,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
priv; \
priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
void *netdev_lower_get_next(struct net_device *dev,
struct list_head **iter);
#define netdev_for_each_lower_dev(dev, ldev, iter) \
for (iter = &(dev)->adj_list.lower, \
ldev = netdev_lower_get_next(dev, &(iter)); \
ldev; \
ldev = netdev_lower_get_next(dev, &(iter)))
void *netdev_adjacent_get_private(struct list_head *adj_list);
void *netdev_lower_get_first_private_rcu(struct net_device *dev);
struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
@ -3092,6 +3115,8 @@ void netdev_upper_dev_unlink(struct net_device *dev,
void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
void *netdev_lower_dev_get_private(struct net_device *dev,
struct net_device *lower_dev);
int dev_get_nest_level(struct net_device *dev,
bool (*type_check)(struct net_device *dev));
int skb_checksum_help(struct sk_buff *skb);
struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
netdev_features_t features, bool tx_path);
@ -3180,12 +3205,7 @@ void netdev_change_features(struct net_device *dev);
void netif_stacked_transfer_operstate(const struct net_device *rootdev,
struct net_device *dev);
netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
const struct net_device *dev);
static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
{
return netif_skb_dev_features(skb, skb->dev);
}
netdev_features_t netif_skb_features(struct sk_buff *skb);
static inline bool net_gso_ok(netdev_features_t features, int gso_type)
{

7
include/linux/of_mdio.h
View File

@ -31,7 +31,12 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
#else /* CONFIG_OF */
static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
{
return -ENOSYS;
/*
* Fall back to the non-DT function to register a bus.
* This way, we don't have to keep compat bits around in drivers.
*/
return mdiobus_register(mdio);
}
static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)

5
include/linux/rtnetlink.h
View File

@ -4,6 +4,7 @@
#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/wait.h>
#include <uapi/linux/rtnetlink.h>
extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
@ -22,6 +23,10 @@ extern void rtnl_lock(void);
extern void rtnl_unlock(void);
extern int rtnl_trylock(void);
extern int rtnl_is_locked(void);
extern wait_queue_head_t netdev_unregistering_wq;
extern struct mutex net_mutex;
#ifdef CONFIG_PROVE_LOCKING
extern int lockdep_rtnl_is_held(void);
#else

12
include/net/cfg80211.h
View File

@ -3668,6 +3668,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
*/
void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
/**
* cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
*
* @wiphy: the wiphy on which the scheduled scan stopped
*
* The driver can call this function to inform cfg80211 that the
* scheduled scan had to be stopped, for whatever reason. The driver
* is then called back via the sched_scan_stop operation when done.
* This function should be called with rtnl locked.
*/
void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
/**
* cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
*

1
include/net/ip6_route.h
View File

@ -127,6 +127,7 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg);
void rt6_ifdown(struct net *net, struct net_device *dev);
void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
/*

9
include/net/netns/ipv4.h
View File

@ -20,6 +20,11 @@ struct local_ports {
int range[2];
};
struct ping_group_range {
seqlock_t lock;
kgid_t range[2];
};
struct netns_ipv4 {
#ifdef CONFIG_SYSCTL
struct ctl_table_header *forw_hdr;
@ -66,13 +71,13 @@ struct netns_ipv4 {
int sysctl_icmp_ratemask;
int sysctl_icmp_errors_use_inbound_ifaddr;
struct local_ports sysctl_local_ports;
struct local_ports ip_local_ports;
int sysctl_tcp_ecn;
int sysctl_ip_no_pmtu_disc;
int sysctl_ip_fwd_use_pmtu;
kgid_t sysctl_ping_group_range[2];
struct ping_group_range ping_group_range;
atomic_t dev_addr_genid;

4
include/uapi/linux/nl80211.h
View File

@ -3856,6 +3856,8 @@ enum nl80211_ap_sme_features {
* @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
* to work properly to suppport receiving regulatory hints from
* cellular base stations.
* @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
* here to reserve the value for API/ABI compatibility)
* @NL80211_FEATURE_SAE: This driver supports simultaneous authentication of
* equals (SAE) with user space SME (NL80211_CMD_AUTHENTICATE) in station
* mode
@ -3897,7 +3899,7 @@ enum nl80211_feature_flags {
NL80211_FEATURE_HT_IBSS = 1 << 1,
NL80211_FEATURE_INACTIVITY_TIMER = 1 << 2,
NL80211_FEATURE_CELL_BASE_REG_HINTS = 1 << 3,
/* bit 4 is reserved - don't use */
NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL = 1 << 4,
NL80211_FEATURE_SAE = 1 << 5,
NL80211_FEATURE_LOW_PRIORITY_SCAN = 1 << 6,
NL80211_FEATURE_SCAN_FLUSH = 1 << 7,

1
net/8021q/vlan.c
View File

@ -169,6 +169,7 @@ int register_vlan_dev(struct net_device *dev)
if (err < 0)
goto out_uninit_mvrp;
vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1;
err = register_netdevice(dev);
if (err < 0)
goto out_uninit_mvrp;

52
net/8021q/vlan_dev.c
View File

@ -493,48 +493,10 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
}
}
static int vlan_calculate_locking_subclass(struct net_device *real_dev)
{
int subclass = 0;
while (is_vlan_dev(real_dev)) {
subclass++;
real_dev = vlan_dev_priv(real_dev)->real_dev;
}
return subclass;
}
static void vlan_dev_mc_sync(struct net_device *to, struct net_device *from)
{
int err = 0, subclass;
subclass = vlan_calculate_locking_subclass(to);
spin_lock_nested(&to->addr_list_lock, subclass);
err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len);
if (!err)
__dev_set_rx_mode(to);
spin_unlock(&to->addr_list_lock);
}
static void vlan_dev_uc_sync(struct net_device *to, struct net_device *from)
{
int err = 0, subclass;
subclass = vlan_calculate_locking_subclass(to);
spin_lock_nested(&to->addr_list_lock, subclass);
err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
if (!err)
__dev_set_rx_mode(to);
spin_unlock(&to->addr_list_lock);
}
static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
{
vlan_dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
vlan_dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
}
/*
@ -562,6 +524,11 @@ static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
}
static int vlan_dev_get_lock_subclass(struct net_device *dev)
{
return vlan_dev_priv(dev)->nest_level;
}
static const struct header_ops vlan_header_ops = {
.create = vlan_dev_hard_header,
.rebuild = vlan_dev_rebuild_header,
@ -597,7 +564,6 @@ static const struct net_device_ops vlan_netdev_ops;
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
int subclass = 0;
netif_carrier_off(dev);
@ -646,8 +612,7 @@ static int vlan_dev_init(struct net_device *dev)
SET_NETDEV_DEVTYPE(dev, &vlan_type);
subclass = vlan_calculate_locking_subclass(dev);
vlan_dev_set_lockdep_class(dev, subclass);
vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
@ -819,6 +784,7 @@ static const struct net_device_ops vlan_netdev_ops = {
.ndo_netpoll_cleanup = vlan_dev_netpoll_cleanup,
#endif
.ndo_fix_features = vlan_dev_fix_features,
.ndo_get_lock_subclass = vlan_dev_get_lock_subclass,
};
void vlan_setup(struct net_device *dev)

2
net/batman-adv/bat_iv_ogm.c
View File

@ -1545,6 +1545,8 @@ out_neigh:
if ((orig_neigh_node) && (!is_single_hop_neigh))
batadv_orig_node_free_ref(orig_neigh_node);
out:
if (router_ifinfo)
batadv_neigh_ifinfo_free_ref(router_ifinfo);
if (router)
batadv_neigh_node_free_ref(router);
if (router_router)

3
net/batman-adv/distributed-arp-table.c
View File

@ -940,8 +940,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
* additional DAT answer may trigger kernel warnings about
* a packet coming from the wrong port.
*/
if (batadv_is_my_client(bat_priv, dat_entry->mac_addr,
BATADV_NO_FLAGS)) {
if (batadv_is_my_client(bat_priv, dat_entry->mac_addr, vid)) {
ret = true;
goto out;
}

11
net/batman-adv/fragmentation.c
View File

@ -418,12 +418,13 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
struct batadv_neigh_node *neigh_node)
{
struct batadv_priv *bat_priv;
struct batadv_hard_iface *primary_if;
struct batadv_hard_iface *primary_if = NULL;
struct batadv_frag_packet frag_header;
struct sk_buff *skb_fragment;
unsigned mtu = neigh_node->if_incoming->net_dev->mtu;
unsigned header_size = sizeof(frag_header);
unsigned max_fragment_size, max_packet_size;
bool ret = false;
/* To avoid merge and refragmentation at next-hops we never send
* fragments larger than BATADV_FRAG_MAX_FRAG_SIZE
@ -483,7 +484,11 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
skb->len + ETH_HLEN);
batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
return true;
ret = true;
out_err:
return false;
if (primary_if)
batadv_hardif_free_ref(primary_if);
return ret;
}

13
net/batman-adv/gateway_client.c
View File

@ -42,8 +42,10 @@
static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
{
if (atomic_dec_and_test(&gw_node->refcount))
if (atomic_dec_and_test(&gw_node->refcount)) {
batadv_orig_node_free_ref(gw_node->orig_node);
kfree_rcu(gw_node, rcu);
}
}
static struct batadv_gw_node *
@ -406,10 +408,15 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
if (gateway->bandwidth_down == 0)
return;
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
if (!gw_node)
if (!atomic_inc_not_zero(&orig_node->refcount))
return;
gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
if (!gw_node) {
batadv_orig_node_free_ref(orig_node);
return;
}
INIT_HLIST_NODE(&gw_node->list);
gw_node->orig_node = orig_node;
atomic_set(&gw_node->refcount, 1);

2
net/batman-adv/hard-interface.c
View File

@ -83,7 +83,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
return true;
/* no more parents..stop recursion */
if (net_dev->iflink == net_dev->ifindex)
if (net_dev->iflink == 0 || net_dev->iflink == net_dev->ifindex)
return false;
/* recurse over the parent device */

62
net/batman-adv/originator.c
View File

@ -501,12 +501,17 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
static void batadv_orig_ifinfo_free_rcu(struct rcu_head *rcu)
{
struct batadv_orig_ifinfo *orig_ifinfo;
struct batadv_neigh_node *router;
orig_ifinfo = container_of(rcu, struct batadv_orig_ifinfo, rcu);
if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)
batadv_hardif_free_ref_now(orig_ifinfo->if_outgoing);
/* this is the last reference to this object */
router = rcu_dereference_protected(orig_ifinfo->router, true);
if (router)
batadv_neigh_node_free_ref_now(router);
kfree(orig_ifinfo);
}
@ -701,6 +706,47 @@ free_orig_node:
return NULL;
}
/**
* batadv_purge_neigh_ifinfo - purge obsolete ifinfo entries from neighbor
* @bat_priv: the bat priv with all the soft interface information
* @neigh: orig node which is to be checked
*/
static void
batadv_purge_neigh_ifinfo(struct batadv_priv *bat_priv,
struct batadv_neigh_node *neigh)
{
struct batadv_neigh_ifinfo *neigh_ifinfo;
struct batadv_hard_iface *if_outgoing;
struct hlist_node *node_tmp;
spin_lock_bh(&neigh->ifinfo_lock);
/* for all ifinfo objects for this neighinator */
hlist_for_each_entry_safe(neigh_ifinfo, node_tmp,
&neigh->ifinfo_list, list) {
if_outgoing = neigh_ifinfo->if_outgoing;
/* always keep the default interface */
if (if_outgoing == BATADV_IF_DEFAULT)
continue;
/* don't purge if the interface is not (going) down */
if ((if_outgoing->if_status != BATADV_IF_INACTIVE) &&
(if_outgoing->if_status != BATADV_IF_NOT_IN_USE) &&
(if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED))
continue;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
"neighbor/ifinfo purge: neighbor %pM, iface: %s\n",
neigh->addr, if_outgoing->net_dev->name);
hlist_del_rcu(&neigh_ifinfo->list);
batadv_neigh_ifinfo_free_ref(neigh_ifinfo);
}
spin_unlock_bh(&neigh->ifinfo_lock);
}
/**
* batadv_purge_orig_ifinfo - purge obsolete ifinfo entries from originator
* @bat_priv: the bat priv with all the soft interface information
@ -800,6 +846,11 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
hlist_del_rcu(&neigh_node->list);
batadv_neigh_node_free_ref(neigh_node);
} else {
/* only necessary if not the whole neighbor is to be
* deleted, but some interface has been removed.
*/
batadv_purge_neigh_ifinfo(bat_priv, neigh_node);
}
}
@ -857,7 +908,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
{
struct batadv_neigh_node *best_neigh_node;
struct batadv_hard_iface *hard_iface;
bool changed;
bool changed_ifinfo, changed_neigh;
if (batadv_has_timed_out(orig_node->last_seen,
2 * BATADV_PURGE_TIMEOUT)) {
@ -867,10 +918,10 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
jiffies_to_msecs(orig_node->last_seen));
return true;
}
changed = batadv_purge_orig_ifinfo(bat_priv, orig_node);
changed = changed || batadv_purge_orig_neighbors(bat_priv, orig_node);
changed_ifinfo = batadv_purge_orig_ifinfo(bat_priv, orig_node);
changed_neigh = batadv_purge_orig_neighbors(bat_priv, orig_node);
if (!changed)
if (!changed_ifinfo && !changed_neigh)
return false;
/* first for NULL ... */
@ -1028,7 +1079,8 @@ int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset)
bat_priv->bat_algo_ops->bat_orig_print(bat_priv, seq, hard_iface);
out:
batadv_hardif_free_ref(hard_iface);
if (hard_iface)
batadv_hardif_free_ref(hard_iface);
return 0;
}

4
net/bridge/br_netfilter.c
View File

@ -859,12 +859,12 @@ static unsigned int br_nf_forward_arp(const struct nf_hook_ops *ops,
return NF_STOLEN;
}
#if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV4)
#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4)
static int br_nf_dev_queue_xmit(struct sk_buff *skb)
{
int ret;
if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
if (skb->protocol == htons(ETH_P_IP) &&
skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
!skb_is_gso(skb)) {
if (br_parse_ip_options(skb))

102
net/core/dev.c
View File

@ -2418,7 +2418,7 @@ EXPORT_SYMBOL(netdev_rx_csum_fault);
* 2. No high memory really exists on this machine.
*/
static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
{
#ifdef CONFIG_HIGHMEM
int i;
@ -2493,38 +2493,36 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features)
}
static netdev_features_t harmonize_features(struct sk_buff *skb,
const struct net_device *dev,
netdev_features_t features)
netdev_features_t features)
{
int tmp;
if (skb->ip_summed != CHECKSUM_NONE &&
!can_checksum_protocol(features, skb_network_protocol(skb, &tmp))) {
features &= ~NETIF_F_ALL_CSUM;
} else if (illegal_highdma(dev, skb)) {
} else if (illegal_highdma(skb->dev, skb)) {
features &= ~NETIF_F_SG;
}
return features;
}
netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
const struct net_device *dev)
netdev_features_t netif_skb_features(struct sk_buff *skb)
{
__be16 protocol = skb->protocol;
netdev_features_t features = dev->features;
netdev_features_t features = skb->dev->features;
if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs)
if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
features &= ~NETIF_F_GSO_MASK;
if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) {
struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
protocol = veh->h_vlan_encapsulated_proto;
} else if (!vlan_tx_tag_present(skb)) {
return harmonize_features(skb, dev, features);
return harmonize_features(skb, features);
}
features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX);
if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
@ -2532,9 +2530,9 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX;
return harmonize_features(skb, dev, features);
return harmonize_features(skb, features);
}
EXPORT_SYMBOL(netif_skb_dev_features);
EXPORT_SYMBOL(netif_skb_features);
int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq)
@ -3953,6 +3951,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
}
NAPI_GRO_CB(skb)->count = 1;
NAPI_GRO_CB(skb)->age = jiffies;
NAPI_GRO_CB(skb)->last = skb;
skb_shinfo(skb)->gso_size = skb_gro_len(skb);
skb->next = napi->gro_list;
napi->gro_list = skb;
@ -4542,6 +4541,32 @@ void *netdev_adjacent_get_private(struct list_head *adj_list)
}
EXPORT_SYMBOL(netdev_adjacent_get_private);
/**
* netdev_upper_get_next_dev_rcu - Get the next dev from upper list
* @dev: device
* @iter: list_head ** of the current position
*
* Gets the next device from the dev's upper list, starting from iter
* position. The caller must hold RCU read lock.
*/
struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter)
{
struct netdev_adjacent *upper;
WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held());
upper = list_entry_rcu((*iter)->next, struct netdev_adjacent, list);
if (&upper->list == &dev->adj_list.upper)
return NULL;
*iter = &upper->list;
return upper->dev;
}
EXPORT_SYMBOL(netdev_upper_get_next_dev_rcu);
/**
* netdev_all_upper_get_next_dev_rcu - Get the next dev from upper list
* @dev: device
@ -4623,6 +4648,32 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_lower_get_next_private_rcu);
/**
* netdev_lower_get_next - Get the next device from the lower neighbour
* list
* @dev: device
* @iter: list_head ** of the current position
*
* Gets the next netdev_adjacent from the dev's lower neighbour
* list, starting from iter position. The caller must hold RTNL lock or
* its own locking that guarantees that the neighbour lower
* list will remain unchainged.
*/
void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter)
{
struct netdev_adjacent *lower;
lower = list_entry((*iter)->next, struct netdev_adjacent, list);
if (&lower->list == &dev->adj_list.lower)
return NULL;
*iter = &lower->list;
return lower->dev;
}
EXPORT_SYMBOL(netdev_lower_get_next);
/**
* netdev_lower_get_first_private_rcu - Get the first ->private from the
* lower neighbour list, RCU
@ -5073,6 +5124,30 @@ void *netdev_lower_dev_get_private(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_lower_dev_get_private);
int dev_get_nest_level(struct net_device *dev,
bool (*type_check)(struct net_device *dev))
{
struct net_device *lower = NULL;
struct list_head *iter;
int max_nest = -1;
int nest;
ASSERT_RTNL();
netdev_for_each_lower_dev(dev, lower, iter) {
nest = dev_get_nest_level(lower, type_check);
if (max_nest < nest)
max_nest = nest;
}
if (type_check(dev))
max_nest++;
return max_nest;
}
EXPORT_SYMBOL(dev_get_nest_level);
static void dev_change_rx_flags(struct net_device *dev, int flags)
{
const struct net_device_ops *ops = dev->netdev_ops;
@ -5238,7 +5313,6 @@ void __dev_set_rx_mode(struct net_device *dev)
if (ops->ndo_set_rx_mode)
ops->ndo_set_rx_mode(dev);
}
EXPORT_SYMBOL(__dev_set_rx_mode);
void dev_set_rx_mode(struct net_device *dev)
{
@ -5543,7 +5617,7 @@ static int dev_new_index(struct net *net)
/* Delayed registration/unregisteration */
static LIST_HEAD(net_todo_list);
static DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
static void net_set_todo(struct net_device *dev)
{

4
net/core/neighbour.c
View File

@ -1248,8 +1248,8 @@ void __neigh_set_probe_once(struct neighbour *neigh)
neigh->updated = jiffies;
if (!(neigh->nud_state & NUD_FAILED))
return;
neigh->nud_state = NUD_PROBE;
atomic_set(&neigh->probes, NEIGH_VAR(neigh->parms, UCAST_PROBES));
neigh->nud_state = NUD_INCOMPLETE;
atomic_set(&neigh->probes, neigh_max_probes(neigh));
neigh_add_timer(neigh,
jiffies + NEIGH_VAR(neigh->parms, RETRANS_TIME));
}

2
net/core/net_namespace.c
View File

@ -24,7 +24,7 @@
static LIST_HEAD(pernet_list);
static struct list_head *first_device = &pernet_list;
static DEFINE_MUTEX(net_mutex);
DEFINE_MUTEX(net_mutex);
LIST_HEAD(net_namespace_list);
EXPORT_SYMBOL_GPL(net_namespace_list);

33
net/core/rtnetlink.c
View File

@ -353,15 +353,46 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
}
EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
/* Return with the rtnl_lock held when there are no network
* devices unregistering in any network namespace.
*/
static void rtnl_lock_unregistering_all(void)
{
struct net *net;
bool unregistering;
DEFINE_WAIT(wait);
for (;;) {
prepare_to_wait(&netdev_unregistering_wq, &wait,
TASK_UNINTERRUPTIBLE);
unregistering = false;
rtnl_lock();
for_each_net(net) {
if (net->dev_unreg_count > 0) {
unregistering = true;
break;
}
}
if (!unregistering)
break;
__rtnl_unlock();
schedule();
}
finish_wait(&netdev_unregistering_wq, &wait);
}
/**
* rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
* @ops: struct rtnl_link_ops * to unregister
*/
void rtnl_link_unregister(struct rtnl_link_ops *ops)
{
rtnl_lock();
/* Close the race with cleanup_net() */
mutex_lock(&net_mutex);
rtnl_lock_unregistering_all();
__rtnl_link_unregister(ops);
rtnl_unlock();
mutex_unlock(&net_mutex);
}
EXPORT_SYMBOL_GPL(rtnl_link_unregister);

4
net/core/skbuff.c
View File

@ -3076,7 +3076,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
if (unlikely(p->len + len >= 65536))
return -E2BIG;
lp = NAPI_GRO_CB(p)->last ?: p;
lp = NAPI_GRO_CB(p)->last;
pinfo = skb_shinfo(lp);
if (headlen <= offset) {
@ -3192,7 +3192,7 @@ merge:
__skb_pull(skb, offset);
if (!NAPI_GRO_CB(p)->last)
if (NAPI_GRO_CB(p)->last == p)
skb_shinfo(p)->frag_list = skb;
else
NAPI_GRO_CB(p)->last->next = skb;

8
net/core/utils.c
View File

@ -348,8 +348,8 @@ static void __net_random_once_deferred(struct work_struct *w)
{
struct __net_random_once_work *work =
container_of(w, struct __net_random_once_work, work);
if (!static_key_enabled(work->key))
static_key_slow_inc(work->key);
BUG_ON(!static_key_enabled(work->key));
static_key_slow_dec(work->key);
kfree(work);
}
@ -367,7 +367,7 @@ static void __net_random_once_disable_jump(struct static_key *key)
}
bool __net_get_random_once(void *buf, int nbytes, bool *done,
struct static_key *done_key)
struct static_key *once_key)
{
static DEFINE_SPINLOCK(lock);
unsigned long flags;
@ -382,7 +382,7 @@ bool __net_get_random_once(void *buf, int nbytes, bool *done,
*done = true;
spin_unlock_irqrestore(&lock, flags);
__net_random_once_disable_jump(done_key);
__net_random_once_disable_jump(once_key);
return true;
}

3
net/dsa/dsa.c
View File

@ -406,8 +406,9 @@ static int dsa_of_probe(struct platform_device *pdev)
goto out_free;
}
chip_index = 0;
chip_index = -1;
for_each_available_child_of_node(np, child) {
chip_index++;
cd = &pd->chip[chip_index];
cd->mii_bus = &mdio_bus->dev;

36
net/ipv4/af_inet.c
View File

@ -1650,6 +1650,39 @@ static int __init init_ipv4_mibs(void)
return register_pernet_subsys(&ipv4_mib_ops);
}
static __net_init int inet_init_net(struct net *net)
{
/*
* Set defaults for local port range
*/
seqlock_init(&net->ipv4.ip_local_ports.lock);
net->ipv4.ip_local_ports.range[0] = 32768;
net->ipv4.ip_local_ports.range[1] = 61000;
seqlock_init(&net->ipv4.ping_group_range.lock);
/*
* Sane defaults - nobody may create ping sockets.
* Boot scripts should set this to distro-specific group.
*/
net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
return 0;
}
static __net_exit void inet_exit_net(struct net *net)
{
}
static __net_initdata struct pernet_operations af_inet_ops = {
.init = inet_init_net,
.exit = inet_exit_net,
};
static int __init init_inet_pernet_ops(void)
{
return register_pernet_subsys(&af_inet_ops);
}
static int ipv4_proc_init(void);
/*
@ -1794,6 +1827,9 @@ static int __init inet_init(void)
if (ip_mr_init())
pr_crit("%s: Cannot init ipv4 mroute\n", __func__);
#endif
if (init_inet_pernet_ops())
pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
/*
* Initialise per-cpu ipv4 mibs
*/

2
net/ipv4/fib_semantics.c
View File

@ -821,13 +821,13 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
if (fi == NULL)
goto failure;
fib_info_cnt++;
if (cfg->fc_mx) {
fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
if (!fi->fib_metrics)
goto failure;
} else
fi->fib_metrics = (u32 *) dst_default_metrics;
fib_info_cnt++;
fi->fib_net = hold_net(net);
fi->fib_protocol = cfg->fc_protocol;

8
net/ipv4/inet_connection_sock.c
View File

@ -37,11 +37,11 @@ void inet_get_local_port_range(struct net *net, int *low, int *high)
unsigned int seq;
do {
seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
*low = net->ipv4.sysctl_local_ports.range[0];
*high = net->ipv4.sysctl_local_ports.range[1];
} while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
*low = net->ipv4.ip_local_ports.range[0];
*high = net->ipv4.ip_local_ports.range[1];
} while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
}
EXPORT_SYMBOL(inet_get_local_port_range);

54
net/ipv4/ip_forward.c
View File

@ -42,12 +42,12 @@
static bool ip_may_fragment(const struct sk_buff *skb)
{
return unlikely((ip_hdr(skb)->frag_off & htons(IP_DF)) == 0) ||
!skb->local_df;
skb->local_df;
}
static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
{
if (skb->len <= mtu || skb->local_df)
if (skb->len <= mtu)
return false;
if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
@ -56,53 +56,6 @@ static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
return true;
}
static bool ip_gso_exceeds_dst_mtu(const struct sk_buff *skb)
{
unsigned int mtu;
if (skb->local_df || !skb_is_gso(skb))
return false;
mtu = ip_dst_mtu_maybe_forward(skb_dst(skb), true);
/* if seglen > mtu, do software segmentation for IP fragmentation on
* output. DF bit cannot be set since ip_forward would have sent
* icmp error.
*/
return skb_gso_network_seglen(skb) > mtu;
}
/* called if GSO skb needs to be fragmented on forward */
static int ip_forward_finish_gso(struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
netdev_features_t features;
struct sk_buff *segs;
int ret = 0;
features = netif_skb_dev_features(skb, dst->dev);
segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
if (IS_ERR(segs)) {
kfree_skb(skb);
return -ENOMEM;
}
consume_skb(skb);
do {
struct sk_buff *nskb = segs->next;
int err;
segs->next = NULL;
err = dst_output(segs);
if (err && ret == 0)
ret = err;
segs = nskb;
} while (segs);
return ret;
}
static int ip_forward_finish(struct sk_buff *skb)
{
@ -114,9 +67,6 @@ static int ip_forward_finish(struct sk_buff *skb)
if (unlikely(opt->optlen))
ip_forward_options(skb);
if (ip_gso_exceeds_dst_mtu(skb))
return ip_forward_finish_gso(skb);
return dst_output(skb);
}

5
net/ipv4/ip_fragment.c
View File

@ -232,8 +232,9 @@ static void ip_expire(unsigned long arg)
* "Fragment Reassembly Timeout" message, per RFC792.
*/
if (qp->user == IP_DEFRAG_AF_PACKET ||
(qp->user == IP_DEFRAG_CONNTRACK_IN &&
skb_rtable(head)->rt_type != RTN_LOCAL))
((qp->user >= IP_DEFRAG_CONNTRACK_IN) &&
(qp->user <= __IP_DEFRAG_CONNTRACK_IN_END) &&
(skb_rtable(head)->rt_type != RTN_LOCAL)))
goto out_rcu_unlock;

51
net/ipv4/ip_output.c
View File

@ -211,6 +211,48 @@ static inline int ip_finish_output2(struct sk_buff *skb)
return -EINVAL;
}
static int ip_finish_output_gso(struct sk_buff *skb)
{
netdev_features_t features;
struct sk_buff *segs;
int ret = 0;
/* common case: locally created skb or seglen is <= mtu */
if (((IPCB(skb)->flags & IPSKB_FORWARDED) == 0) ||
skb_gso_network_seglen(skb) <= ip_skb_dst_mtu(skb))
return ip_finish_output2(skb);
/* Slowpath - GSO segment length is exceeding the dst MTU.
*
* This can happen in two cases:
* 1) TCP GRO packet, DF bit not set
* 2) skb arrived via virtio-net, we thus get TSO/GSO skbs directly
* from host network stack.
*/
features = netif_skb_features(skb);
segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
if (IS_ERR(segs)) {
kfree_skb(skb);
return -ENOMEM;
}
consume_skb(skb);
do {
struct sk_buff *nskb = segs->next;
int err;
segs->next = NULL;
err = ip_fragment(segs, ip_finish_output2);
if (err && ret == 0)
ret = err;
segs = nskb;
} while (segs);
return ret;
}
static int ip_finish_output(struct sk_buff *skb)
{
#if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
@ -220,10 +262,13 @@ static int ip_finish_output(struct sk_buff *skb)
return dst_output(skb);
}
#endif
if (skb->len > ip_skb_dst_mtu(skb) && !skb_is_gso(skb))
if (skb_is_gso(skb))
return ip_finish_output_gso(skb);
if (skb->len > ip_skb_dst_mtu(skb))
return ip_fragment(skb, ip_finish_output2);
else
return ip_finish_output2(skb);
return ip_finish_output2(skb);
}
int ip_mc_output(struct sock *sk, struct sk_buff *skb)

4
net/ipv4/ip_tunnel.c
View File

@ -540,9 +540,10 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
unsigned int max_headroom; /* The extra header space needed */
__be32 dst;
int err;
bool connected = true;
bool connected;
inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
connected = (tunnel->parms.iph.daddr != 0);
dst = tnl_params->daddr;
if (dst == 0) {
@ -882,6 +883,7 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
*/
if (!IS_ERR(itn->fb_tunnel_dev)) {
itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);
ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));
}
rtnl_unlock();

5
net/ipv4/ip_vti.c
View File

@ -239,6 +239,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
static int vti4_err(struct sk_buff *skb, u32 info)
{
__be32 spi;
__u32 mark;
struct xfrm_state *x;
struct ip_tunnel *tunnel;
struct ip_esp_hdr *esph;
@ -254,6 +255,8 @@ static int vti4_err(struct sk_buff *skb, u32 info)
if (!tunnel)
return -1;
mark = be32_to_cpu(tunnel->parms.o_key);
switch (protocol) {
case IPPROTO_ESP:
esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
@ -281,7 +284,7 @@ static int vti4_err(struct sk_buff *skb, u32 info)
return 0;
}
x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
spi, protocol, AF_INET);
if (!x)
return 0;

5
net/ipv4/netfilter/nf_defrag_ipv4.c
View File

@ -22,7 +22,6 @@
#endif
#include <net/netfilter/nf_conntrack_zones.h>
/* Returns new sk_buff, or NULL */
static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
{
int err;
@ -33,8 +32,10 @@ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
err = ip_defrag(skb, user);
local_bh_enable();
if (!err)
if (!err) {
ip_send_check(ip_hdr(skb));
skb->local_df = 1;
}
return err;
}

6
net/ipv4/ping.c
View File

@ -236,15 +236,15 @@ exit:
static void inet_get_ping_group_range_net(struct net *net, kgid_t *low,
kgid_t *high)
{
kgid_t *data = net->ipv4.sysctl_ping_group_range;
kgid_t *data = net->ipv4.ping_group_range.range;
unsigned int seq;
do {
seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
seq = read_seqbegin(&net->ipv4.ping_group_range.lock);
*low = data[0];
*high = data[1];
} while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
} while (read_seqretry(&net->ipv4.ping_group_range.lock, seq));
}

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