redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (56 commits)
  route: Take the right src and dst addresses in ip_route_newports
  ipv4: Fix nexthop caching wrt. scoping.
  ipv4: Invalidate nexthop cache nh_saddr more correctly.
  net: fix pch_gbe section mismatch warning
  ipv4: fix fib metrics
  mlx4_en: Removing HW info from ethtool -i report.
  net_sched: fix THROTTLED/RUNNING race
  drivers/net/a2065.c: Convert release_resource to release_region/release_mem_region
  drivers/net/ariadne.c: Convert release_resource to release_region/release_mem_region
  bonding: fix rx_handler locking
  myri10ge: fix rmmod crash
  mlx4_en: updated driver version to 1.5.4.1
  mlx4_en: Using blue flame support
  mlx4_core: reserve UARs for userspace consumers
  mlx4_core: maintain available field in bitmap allocator
  mlx4: Add blue flame support for kernel consumers
  mlx4_en: Enabling new steering
  mlx4: Add support for promiscuous mode in the new steering model.
  mlx4: generalization of multicast steering.
  mlx4_en: Reporting HW revision in ethtool -i
  ...
This commit is contained in:
Linus Torvalds 2011-03-25 21:02:22 -07:00
parent 5aafdea448 6df59a84ec
commit 00a2470546
66 changed files with 1906 additions and 364 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
drivers/infiniband/hw/mlx4/main.c
View file

@ -625,7 +625,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw,
!!(mqp->flags & MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
MLX4_PROTOCOL_IB);
MLX4_PROT_IB_IPV6);
if (err)
return err;
@ -636,7 +636,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
return 0;
err_add:
mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, MLX4_PROTOCOL_IB);
mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw, MLX4_PROT_IB_IPV6);
return err;
}
@ -666,7 +666,7 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
struct mlx4_ib_gid_entry *ge;
err = mlx4_multicast_detach(mdev->dev,
&mqp->mqp, gid->raw, MLX4_PROTOCOL_IB);
&mqp->mqp, gid->raw, MLX4_PROT_IB_IPV6);
if (err)
return err;
@ -721,7 +721,6 @@ static int init_node_data(struct mlx4_ib_dev *dev)
if (err)
goto out;
dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));
memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
out:
@ -954,7 +953,7 @@ static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event
mlx4_foreach_ib_transport_port(port, ibdev->dev) {
oldnd = iboe->netdevs[port - 1];
iboe->netdevs[port - 1] =
mlx4_get_protocol_dev(ibdev->dev, MLX4_PROTOCOL_EN, port);
mlx4_get_protocol_dev(ibdev->dev, MLX4_PROT_ETH, port);
if (oldnd != iboe->netdevs[port - 1]) {
if (iboe->netdevs[port - 1])
netdev_added(ibdev, port);
@ -1207,7 +1206,7 @@ static struct mlx4_interface mlx4_ib_interface = {
.add = mlx4_ib_add,
.remove = mlx4_ib_remove,
.event = mlx4_ib_event,
.protocol = MLX4_PROTOCOL_IB
.protocol = MLX4_PROT_IB_IPV6
};
static int __init mlx4_ib_init(void)

10
drivers/net/a2065.c
View file

@ -711,14 +711,14 @@ static int __devinit a2065_init_one(struct zorro_dev *z,
return -EBUSY;
r2 = request_mem_region(mem_start, A2065_RAM_SIZE, "RAM");
if (!r2) {
release_resource(r1);
release_mem_region(base_addr, sizeof(struct lance_regs));
return -EBUSY;
}
dev = alloc_etherdev(sizeof(struct lance_private));
if (dev == NULL) {
release_resource(r1);
release_resource(r2);
release_mem_region(base_addr, sizeof(struct lance_regs));
release_mem_region(mem_start, A2065_RAM_SIZE);
return -ENOMEM;
}
@ -764,8 +764,8 @@ static int __devinit a2065_init_one(struct zorro_dev *z,
err = register_netdev(dev);
if (err) {
release_resource(r1);
release_resource(r2);
release_mem_region(base_addr, sizeof(struct lance_regs));
release_mem_region(mem_start, A2065_RAM_SIZE);
free_netdev(dev);
return err;
}

10
drivers/net/ariadne.c
View file

@ -182,14 +182,14 @@ static int __devinit ariadne_init_one(struct zorro_dev *z,
return -EBUSY;
r2 = request_mem_region(mem_start, ARIADNE_RAM_SIZE, "RAM");
if (!r2) {
release_resource(r1);
release_mem_region(base_addr, sizeof(struct Am79C960));
return -EBUSY;
}
dev = alloc_etherdev(sizeof(struct ariadne_private));
if (dev == NULL) {
release_resource(r1);
release_resource(r2);
release_mem_region(base_addr, sizeof(struct Am79C960));
release_mem_region(mem_start, ARIADNE_RAM_SIZE);
return -ENOMEM;
}
@ -213,8 +213,8 @@ static int __devinit ariadne_init_one(struct zorro_dev *z,
err = register_netdev(dev);
if (err) {
release_resource(r1);
release_resource(r2);
release_mem_region(base_addr, sizeof(struct Am79C960));
release_mem_region(mem_start, ARIADNE_RAM_SIZE);
free_netdev(dev);
return err;
}

56
drivers/net/bonding/bond_main.c
View file

@ -1482,21 +1482,16 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
{
struct sk_buff *skb = *pskb;
struct slave *slave;
struct net_device *bond_dev;
struct bonding *bond;
slave = bond_slave_get_rcu(skb->dev);
bond_dev = ACCESS_ONCE(slave->dev->master);
if (unlikely(!bond_dev))
return RX_HANDLER_PASS;
skb = skb_share_check(skb, GFP_ATOMIC);
if (unlikely(!skb))
return RX_HANDLER_CONSUMED;
*pskb = skb;
bond = netdev_priv(bond_dev);
slave = bond_slave_get_rcu(skb->dev);
bond = slave->bond;
if (bond->params.arp_interval)
slave->dev->last_rx = jiffies;
@ -1505,10 +1500,10 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
return RX_HANDLER_EXACT;
}
skb->dev = bond_dev;
skb->dev = bond->dev;
if (bond->params.mode == BOND_MODE_ALB &&
bond_dev->priv_flags & IFF_BRIDGE_PORT &&
bond->dev->priv_flags & IFF_BRIDGE_PORT &&
skb->pkt_type == PACKET_HOST) {
if (unlikely(skb_cow_head(skb,
@ -1516,7 +1511,7 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb)
kfree_skb(skb);
return RX_HANDLER_CONSUMED;
}
memcpy(eth_hdr(skb)->h_dest, bond_dev->dev_addr, ETH_ALEN);
memcpy(eth_hdr(skb)->h_dest, bond->dev->dev_addr, ETH_ALEN);
}
return RX_HANDLER_ANOTHER;
@ -1698,20 +1693,15 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
pr_debug("Error %d calling netdev_set_bond_master\n", res);
goto err_restore_mac;
}
res = netdev_rx_handler_register(slave_dev, bond_handle_frame,
new_slave);
if (res) {
pr_debug("Error %d calling netdev_rx_handler_register\n", res);
goto err_unset_master;
}
/* open the slave since the application closed it */
res = dev_open(slave_dev);
if (res) {
pr_debug("Opening slave %s failed\n", slave_dev->name);
goto err_unreg_rxhandler;
goto err_unset_master;
}
new_slave->bond = bond;
new_slave->dev = slave_dev;
slave_dev->priv_flags |= IFF_BONDING;
@ -1907,6 +1897,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
if (res)
goto err_close;
res = netdev_rx_handler_register(slave_dev, bond_handle_frame,
new_slave);
if (res) {
pr_debug("Error %d calling netdev_rx_handler_register\n", res);
goto err_dest_symlinks;
}
pr_info("%s: enslaving %s as a%s interface with a%s link.\n",
bond_dev->name, slave_dev->name,
bond_is_active_slave(new_slave) ? "n active" : " backup",
@ -1916,13 +1913,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
return 0;
/* Undo stages on error */
err_dest_symlinks:
bond_destroy_slave_symlinks(bond_dev, slave_dev);
err_close:
dev_close(slave_dev);
err_unreg_rxhandler:
netdev_rx_handler_unregister(slave_dev);
synchronize_net();
err_unset_master:
netdev_set_bond_master(slave_dev, NULL);
@ -1988,6 +1984,14 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
return -EINVAL;
}
/* unregister rx_handler early so bond_handle_frame wouldn't be called
* for this slave anymore.
*/
netdev_rx_handler_unregister(slave_dev);
write_unlock_bh(&bond->lock);
synchronize_net();
write_lock_bh(&bond->lock);
if (!bond->params.fail_over_mac) {
if (!compare_ether_addr(bond_dev->dev_addr, slave->perm_hwaddr) &&
bond->slave_cnt > 1)
@ -2104,8 +2108,6 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev)
netif_addr_unlock_bh(bond_dev);
}
netdev_rx_handler_unregister(slave_dev);
synchronize_net();
netdev_set_bond_master(slave_dev, NULL);
slave_disable_netpoll(slave);
@ -2186,6 +2188,12 @@ static int bond_release_all(struct net_device *bond_dev)
*/
write_unlock_bh(&bond->lock);
/* unregister rx_handler early so bond_handle_frame wouldn't
* be called for this slave anymore.
*/
netdev_rx_handler_unregister(slave_dev);
synchronize_net();
if (bond_is_lb(bond)) {
/* must be called only after the slave
* has been detached from the list
@ -2217,8 +2225,6 @@ static int bond_release_all(struct net_device *bond_dev)
netif_addr_unlock_bh(bond_dev);
}
netdev_rx_handler_unregister(slave_dev);
synchronize_net();
netdev_set_bond_master(slave_dev, NULL);
slave_disable_netpoll(slave);

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

@ -187,6 +187,7 @@ struct slave {
struct net_device *dev; /* first - useful for panic debug */
struct slave *next;
struct slave *prev;
struct bonding *bond; /* our master */
int delay;
unsigned long jiffies;
unsigned long last_arp_rx;

11
drivers/net/davinci_cpdma.c
View file

@ -76,6 +76,7 @@ struct cpdma_desc {
struct cpdma_desc_pool {
u32 phys;
u32 hw_addr;
void __iomem *iomap; /* ioremap map */
void *cpumap; /* dma_alloc map */
int desc_size, mem_size;
@ -137,7 +138,8 @@ struct cpdma_chan {
* abstract out these details
*/
static struct cpdma_desc_pool *
cpdma_desc_pool_create(struct device *dev, u32 phys, int size, int align)
cpdma_desc_pool_create(struct device *dev, u32 phys, u32 hw_addr,
int size, int align)
{
int bitmap_size;
struct cpdma_desc_pool *pool;
@ -161,10 +163,12 @@ cpdma_desc_pool_create(struct device *dev, u32 phys, int size, int align)
if (phys) {
pool->phys = phys;
pool->iomap = ioremap(phys, size);
pool->hw_addr = hw_addr;
} else {
pool->cpumap = dma_alloc_coherent(dev, size, &pool->phys,
GFP_KERNEL);
pool->iomap = (void __force __iomem *)pool->cpumap;
pool->hw_addr = pool->phys;
}
if (pool->iomap)
@ -201,14 +205,14 @@ static inline dma_addr_t desc_phys(struct cpdma_desc_pool *pool,
{
if (!desc)
return 0;
return pool->phys + (__force dma_addr_t)desc -
return pool->hw_addr + (__force dma_addr_t)desc -
(__force dma_addr_t)pool->iomap;
}
static inline struct cpdma_desc __iomem *
desc_from_phys(struct cpdma_desc_pool *pool, dma_addr_t dma)
{
return dma ? pool->iomap + dma - pool->phys : NULL;
return dma ? pool->iomap + dma - pool->hw_addr : NULL;
}
static struct cpdma_desc __iomem *
@ -260,6 +264,7 @@ struct cpdma_ctlr *cpdma_ctlr_create(struct cpdma_params *params)
ctlr->pool = cpdma_desc_pool_create(ctlr->dev,
ctlr->params.desc_mem_phys,
ctlr->params.desc_hw_addr,
ctlr->params.desc_mem_size,
ctlr->params.desc_align);
if (!ctlr->pool) {

1
drivers/net/davinci_cpdma.h
View file

@ -33,6 +33,7 @@ struct cpdma_params {
bool has_soft_reset;
int min_packet_size;
u32 desc_mem_phys;
u32 desc_hw_addr;
int desc_mem_size;
int desc_align;

5
drivers/net/davinci_emac.c
View file

@ -1854,10 +1854,13 @@ static int __devinit davinci_emac_probe(struct platform_device *pdev)
dma_params.rxcp = priv->emac_base + 0x660;
dma_params.num_chan = EMAC_MAX_TXRX_CHANNELS;
dma_params.min_packet_size = EMAC_DEF_MIN_ETHPKTSIZE;
dma_params.desc_mem_phys = hw_ram_addr;
dma_params.desc_hw_addr = hw_ram_addr;
dma_params.desc_mem_size = pdata->ctrl_ram_size;
dma_params.desc_align = 16;
dma_params.desc_mem_phys = pdata->no_bd_ram ? 0 :
(u32 __force)res->start + pdata->ctrl_ram_offset;
priv->dma = cpdma_ctlr_create(&dma_params);
if (!priv->dma) {
dev_err(emac_dev, "DaVinci EMAC: Error initializing DMA\n");

13
drivers/net/mlx4/alloc.c
View file

@ -62,6 +62,9 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap)
} else
obj = -1;
if (obj != -1)
--bitmap->avail;
spin_unlock(&bitmap->lock);
return obj;
@ -101,11 +104,19 @@ u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
} else
obj = -1;
if (obj != -1)
bitmap->avail -= cnt;
spin_unlock(&bitmap->lock);
return obj;
}
u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap)
{
return bitmap->avail;
}
void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
{
obj &= bitmap->max + bitmap->reserved_top - 1;
@ -115,6 +126,7 @@ void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt)
bitmap->last = min(bitmap->last, obj);
bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
& bitmap->mask;
bitmap->avail += cnt;
spin_unlock(&bitmap->lock);
}
@ -130,6 +142,7 @@ int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
bitmap->max = num - reserved_top;
bitmap->mask = mask;
bitmap->reserved_top = reserved_top;
bitmap->avail = num - reserved_top - reserved_bot;
spin_lock_init(&bitmap->lock);
bitmap->table = kzalloc(BITS_TO_LONGS(bitmap->max) *
sizeof (long), GFP_KERNEL);

2
drivers/net/mlx4/cq.c
View file

@ -198,7 +198,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
u64 mtt_addr;
int err;
if (vector >= dev->caps.num_comp_vectors)
if (vector > dev->caps.num_comp_vectors + dev->caps.comp_pool)
return -EINVAL;
cq->vector = vector;

38
drivers/net/mlx4/en_cq.c
View file

@ -51,13 +51,10 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
int err;
cq->size = entries;
if (mode == RX) {
if (mode == RX)
cq->buf_size = cq->size * sizeof(struct mlx4_cqe);
cq->vector = ring % mdev->dev->caps.num_comp_vectors;
} else {
else
cq->buf_size = sizeof(struct mlx4_cqe);
cq->vector = 0;
}
cq->ring = ring;
cq->is_tx = mode;
@ -80,7 +77,8 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
{
struct mlx4_en_dev *mdev = priv->mdev;
int err;
int err = 0;
char name[25];
cq->dev = mdev->pndev[priv->port];
cq->mcq.set_ci_db = cq->wqres.db.db;
@ -89,6 +87,29 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
*cq->mcq.arm_db = 0;
memset(cq->buf, 0, cq->buf_size);
if (cq->is_tx == RX) {
if (mdev->dev->caps.comp_pool) {
if (!cq->vector) {
sprintf(name , "%s-rx-%d", priv->dev->name, cq->ring);
if (mlx4_assign_eq(mdev->dev, name, &cq->vector)) {
cq->vector = (cq->ring + 1 + priv->port) %
mdev->dev->caps.num_comp_vectors;
mlx4_warn(mdev, "Failed Assigning an EQ to "
"%s_rx-%d ,Falling back to legacy EQ's\n",
priv->dev->name, cq->ring);
}
}
} else {
cq->vector = (cq->ring + 1 + priv->port) %
mdev->dev->caps.num_comp_vectors;
}
} else {
if (!cq->vector || !mdev->dev->caps.comp_pool) {
/*Fallback to legacy pool in case of error*/
cq->vector = 0;
}
}
if (!cq->is_tx)
cq->size = priv->rx_ring[cq->ring].actual_size;
@ -112,12 +133,15 @@ int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
return 0;
}
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq)
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
bool reserve_vectors)
{
struct mlx4_en_dev *mdev = priv->mdev;
mlx4_en_unmap_buffer(&cq->wqres.buf);
mlx4_free_hwq_res(mdev->dev, &cq->wqres, cq->buf_size);
if (priv->mdev->dev->caps.comp_pool && cq->vector && !reserve_vectors)
mlx4_release_eq(priv->mdev->dev, cq->vector);
cq->buf_size = 0;
cq->buf = NULL;
}

66
drivers/net/mlx4/en_ethtool.c
View file

@ -45,7 +45,7 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
sprintf(drvinfo->driver, DRV_NAME " (%s)", mdev->dev->board_id);
strncpy(drvinfo->driver, DRV_NAME, 32);
strncpy(drvinfo->version, DRV_VERSION " (" DRV_RELDATE ")", 32);
sprintf(drvinfo->fw_version, "%d.%d.%d",
(u16) (mdev->dev->caps.fw_ver >> 32),
@ -131,8 +131,65 @@ static void mlx4_en_set_msglevel(struct net_device *dev, u32 val)
static void mlx4_en_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
wol->supported = 0;
wol->wolopts = 0;
struct mlx4_en_priv *priv = netdev_priv(netdev);
int err = 0;
u64 config = 0;
if (!priv->mdev->dev->caps.wol) {
wol->supported = 0;
wol->wolopts = 0;
return;
}
err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
if (err) {
en_err(priv, "Failed to get WoL information\n");
return;
}
if (config & MLX4_EN_WOL_MAGIC)
wol->supported = WAKE_MAGIC;
else
wol->supported = 0;
if (config & MLX4_EN_WOL_ENABLED)
wol->wolopts = WAKE_MAGIC;
else
wol->wolopts = 0;
}
static int mlx4_en_set_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct mlx4_en_priv *priv = netdev_priv(netdev);
u64 config = 0;
int err = 0;
if (!priv->mdev->dev->caps.wol)
return -EOPNOTSUPP;
if (wol->supported & ~WAKE_MAGIC)
return -EINVAL;
err = mlx4_wol_read(priv->mdev->dev, &config, priv->port);
if (err) {
en_err(priv, "Failed to get WoL info, unable to modify\n");
return err;
}
if (wol->wolopts & WAKE_MAGIC) {
config |= MLX4_EN_WOL_DO_MODIFY | MLX4_EN_WOL_ENABLED |
MLX4_EN_WOL_MAGIC;
} else {
config &= ~(MLX4_EN_WOL_ENABLED | MLX4_EN_WOL_MAGIC);
config |= MLX4_EN_WOL_DO_MODIFY;
}
err = mlx4_wol_write(priv->mdev->dev, config, priv->port);
if (err)
en_err(priv, "Failed to set WoL information\n");
return err;
}
static int mlx4_en_get_sset_count(struct net_device *dev, int sset)
@ -388,7 +445,7 @@ static int mlx4_en_set_ringparam(struct net_device *dev,
mlx4_en_stop_port(dev);
}
mlx4_en_free_resources(priv);
mlx4_en_free_resources(priv, true);
priv->prof->tx_ring_size = tx_size;
priv->prof->rx_ring_size = rx_size;
@ -442,6 +499,7 @@ const struct ethtool_ops mlx4_en_ethtool_ops = {
.get_ethtool_stats = mlx4_en_get_ethtool_stats,
.self_test = mlx4_en_self_test,
.get_wol = mlx4_en_get_wol,
.set_wol = mlx4_en_set_wol,
.get_msglevel = mlx4_en_get_msglevel,
.set_msglevel = mlx4_en_set_msglevel,
.get_coalesce = mlx4_en_get_coalesce,

22
drivers/net/mlx4/en_main.c
View file

@ -241,16 +241,18 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
mdev->port_cnt++;
/* If we did not receive an explicit number of Rx rings, default to
* the number of completion vectors populated by the mlx4_core */
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH) {
mlx4_info(mdev, "Using %d tx rings for port:%d\n",
mdev->profile.prof[i].tx_ring_num, i);
mdev->profile.prof[i].rx_ring_num = min_t(int,
roundup_pow_of_two(dev->caps.num_comp_vectors),
MAX_RX_RINGS);
mlx4_info(mdev, "Defaulting to %d rx rings for port:%d\n",
mdev->profile.prof[i].rx_ring_num, i);
if (!dev->caps.comp_pool) {
mdev->profile.prof[i].rx_ring_num =
rounddown_pow_of_two(max_t(int, MIN_RX_RINGS,
min_t(int,
dev->caps.num_comp_vectors,
MAX_RX_RINGS)));
} else {
mdev->profile.prof[i].rx_ring_num = rounddown_pow_of_two(
min_t(int, dev->caps.comp_pool/
dev->caps.num_ports - 1 , MAX_MSIX_P_PORT - 1));
}
}
/* Create our own workqueue for reset/multicast tasks
@ -294,7 +296,7 @@ static struct mlx4_interface mlx4_en_interface = {
.remove = mlx4_en_remove,
.event = mlx4_en_event,
.get_dev = mlx4_en_get_netdev,
.protocol = MLX4_PROTOCOL_EN,
.protocol = MLX4_PROT_ETH,
};
static int __init mlx4_en_init(void)

199
drivers/net/mlx4/en_netdev.c
View file

@ -156,9 +156,8 @@ static void mlx4_en_do_set_mac(struct work_struct *work)
mutex_lock(&mdev->state_lock);
if (priv->port_up) {
/* Remove old MAC and insert the new one */
mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
err = mlx4_register_mac(mdev->dev, priv->port,
priv->mac, &priv->mac_index);
err = mlx4_replace_mac(mdev->dev, priv->port,
priv->base_qpn, priv->mac, 0);
if (err)
en_err(priv, "Failed changing HW MAC address\n");
} else
@ -214,6 +213,7 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
struct mlx4_en_dev *mdev = priv->mdev;
struct net_device *dev = priv->dev;
u64 mcast_addr = 0;
u8 mc_list[16] = {0};
int err;
mutex_lock(&mdev->state_lock);
@ -239,8 +239,12 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
priv->flags |= MLX4_EN_FLAG_PROMISC;
/* Enable promiscouos mode */
err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
priv->base_qpn, 1);
if (!mdev->dev->caps.vep_uc_steering)
err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
priv->base_qpn, 1);
else
err = mlx4_unicast_promisc_add(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed enabling "
"promiscous mode\n");
@ -252,10 +256,21 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
en_err(priv, "Failed disabling "
"multicast filter\n");
/* Disable port VLAN filter */
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, NULL);
if (err)
en_err(priv, "Failed disabling VLAN filter\n");
/* Add the default qp number as multicast promisc */
if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed entering multicast promisc mode\n");
priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
}
if (priv->vlgrp) {
/* Disable port VLAN filter */
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, NULL);
if (err)
en_err(priv, "Failed disabling VLAN filter\n");
}
}
goto out;
}
@ -270,11 +285,24 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
priv->flags &= ~MLX4_EN_FLAG_PROMISC;
/* Disable promiscouos mode */
err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
priv->base_qpn, 0);
if (!mdev->dev->caps.vep_uc_steering)
err = mlx4_SET_PORT_qpn_calc(mdev->dev, priv->port,
priv->base_qpn, 0);
else
err = mlx4_unicast_promisc_remove(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed disabling promiscous mode\n");
/* Disable Multicast promisc */
if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed disabling multicast promiscous mode\n");
priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
}
/* Enable port VLAN filter */
err = mlx4_SET_VLAN_FLTR(mdev->dev, priv->port, priv->vlgrp);
if (err)
@ -287,14 +315,38 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
0, MLX4_MCAST_DISABLE);
if (err)
en_err(priv, "Failed disabling multicast filter\n");
/* Add the default qp number as multicast promisc */
if (!(priv->flags & MLX4_EN_FLAG_MC_PROMISC)) {
err = mlx4_multicast_promisc_add(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed entering multicast promisc mode\n");
priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
}
} else {
int i;
/* Disable Multicast promisc */
if (priv->flags & MLX4_EN_FLAG_MC_PROMISC) {
err = mlx4_multicast_promisc_remove(mdev->dev, priv->base_qpn,
priv->port);
if (err)
en_err(priv, "Failed disabling multicast promiscous mode\n");
priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
}
err = mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0,
0, MLX4_MCAST_DISABLE);
if (err)
en_err(priv, "Failed disabling multicast filter\n");
/* Detach our qp from all the multicast addresses */
for (i = 0; i < priv->mc_addrs_cnt; i++) {
memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
mc_list[5] = priv->port;
mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
mc_list, MLX4_PROT_ETH);
}
/* Flush mcast filter and init it with broadcast address */
mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, ETH_BCAST,
1, MLX4_MCAST_CONFIG);
@ -307,6 +359,10 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
for (i = 0; i < priv->mc_addrs_cnt; i++) {
mcast_addr =
mlx4_en_mac_to_u64(priv->mc_addrs + i * ETH_ALEN);
memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
mc_list[5] = priv->port;
mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp,
mc_list, 0, MLX4_PROT_ETH);
mlx4_SET_MCAST_FLTR(mdev->dev, priv->port,
mcast_addr, 0, MLX4_MCAST_CONFIG);
}
@ -314,8 +370,6 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
0, MLX4_MCAST_ENABLE);
if (err)
en_err(priv, "Failed enabling multicast filter\n");
mlx4_en_clear_list(dev);
}
out:
mutex_unlock(&mdev->state_lock);
@ -417,7 +471,6 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
unsigned long avg_pkt_size;
unsigned long rx_packets;
unsigned long rx_bytes;
unsigned long rx_byte_diff;
unsigned long tx_packets;
unsigned long tx_pkt_diff;
unsigned long rx_pkt_diff;
@ -441,25 +494,20 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
rx_pkt_diff = ((unsigned long) (rx_packets -
priv->last_moder_packets));
packets = max(tx_pkt_diff, rx_pkt_diff);
rx_byte_diff = rx_bytes - priv->last_moder_bytes;
rx_byte_diff = rx_byte_diff ? rx_byte_diff : 1;
rate = packets * HZ / period;
avg_pkt_size = packets ? ((unsigned long) (rx_bytes -
priv->last_moder_bytes)) / packets : 0;
/* Apply auto-moderation only when packet rate exceeds a rate that
* it matters */
if (rate > MLX4_EN_RX_RATE_THRESH) {
if (rate > MLX4_EN_RX_RATE_THRESH && avg_pkt_size > MLX4_EN_AVG_PKT_SMALL) {
/* If tx and rx packet rates are not balanced, assume that
* traffic is mainly BW bound and apply maximum moderation.
* Otherwise, moderate according to packet rate */
if (2 * tx_pkt_diff > 3 * rx_pkt_diff &&
rx_pkt_diff / rx_byte_diff <
MLX4_EN_SMALL_PKT_SIZE)
moder_time = priv->rx_usecs_low;
else if (2 * rx_pkt_diff > 3 * tx_pkt_diff)
if (2 * tx_pkt_diff > 3 * rx_pkt_diff ||
2 * rx_pkt_diff > 3 * tx_pkt_diff) {
moder_time = priv->rx_usecs_high;
else {
} else {
if (rate < priv->pkt_rate_low)
moder_time = priv->rx_usecs_low;
else if (rate > priv->pkt_rate_high)
@ -471,9 +519,7 @@ static void mlx4_en_auto_moderation(struct mlx4_en_priv *priv)
priv->rx_usecs_low;
}
} else {
/* When packet rate is low, use default moderation rather than
* 0 to prevent interrupt storms if traffic suddenly increases */
moder_time = priv->rx_usecs;
moder_time = priv->rx_usecs_low;
}
en_dbg(INTR, priv, "tx rate:%lu rx_rate:%lu\n",
@ -565,6 +611,8 @@ int mlx4_en_start_port(struct net_device *dev)
int err = 0;
int i;
int j;
u8 mc_list[16] = {0};
char name[32];
if (priv->port_up) {
en_dbg(DRV, priv, "start port called while port already up\n");
@ -603,16 +651,35 @@ int mlx4_en_start_port(struct net_device *dev)
++rx_index;
}
/* Set port mac number */
en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
err = mlx4_register_mac(mdev->dev, priv->port,
priv->mac, &priv->base_qpn, 0);
if (err) {
en_err(priv, "Failed setting port mac\n");
goto cq_err;
}
mdev->mac_removed[priv->port] = 0;
err = mlx4_en_config_rss_steer(priv);
if (err) {
en_err(priv, "Failed configuring rss steering\n");
goto cq_err;
goto mac_err;
}
if (mdev->dev->caps.comp_pool && !priv->tx_vector) {
sprintf(name , "%s-tx", priv->dev->name);
if (mlx4_assign_eq(mdev->dev , name, &priv->tx_vector)) {
mlx4_warn(mdev, "Failed Assigning an EQ to "
"%s_tx ,Falling back to legacy "
"EQ's\n", priv->dev->name);
}
}
/* Configure tx cq's and rings */
for (i = 0; i < priv->tx_ring_num; i++) {
/* Configure cq */
cq = &priv->tx_cq[i];
cq->vector = priv->tx_vector;
err = mlx4_en_activate_cq(priv, cq);
if (err) {
en_err(priv, "Failed allocating Tx CQ\n");
@ -659,24 +726,22 @@ int mlx4_en_start_port(struct net_device *dev)
en_err(priv, "Failed setting default qp numbers\n");
goto tx_err;
}
/* Set port mac number */
en_dbg(DRV, priv, "Setting mac for port %d\n", priv->port);
err = mlx4_register_mac(mdev->dev, priv->port,
priv->mac, &priv->mac_index);
if (err) {
en_err(priv, "Failed setting port mac\n");
goto tx_err;
}
mdev->mac_removed[priv->port] = 0;
/* Init port */
en_dbg(HW, priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
if (err) {
en_err(priv, "Failed Initializing port\n");
goto mac_err;
goto tx_err;
}
/* Attach rx QP to bradcast address */
memset(&mc_list[10], 0xff, ETH_ALEN);
mc_list[5] = priv->port;
if (mlx4_multicast_attach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
0, MLX4_PROT_ETH))
mlx4_warn(mdev, "Failed Attaching Broadcast\n");
/* Schedule multicast task to populate multicast list */
queue_work(mdev->workqueue, &priv->mcast_task);
@ -684,8 +749,6 @@ int mlx4_en_start_port(struct net_device *dev)
netif_tx_start_all_queues(dev);
return 0;
mac_err:
mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
tx_err:
while (tx_index--) {
mlx4_en_deactivate_tx_ring(priv, &priv->tx_ring[tx_index]);
@ -693,6 +756,8 @@ tx_err:
}
mlx4_en_release_rss_steer(priv);
mac_err:
mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
cq_err:
while (rx_index--)
mlx4_en_deactivate_cq(priv, &priv->rx_cq[rx_index]);
@ -708,6 +773,7 @@ void mlx4_en_stop_port(struct net_device *dev)
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int i;
u8 mc_list[16] = {0};
if (!priv->port_up) {
en_dbg(DRV, priv, "stop port called while port already down\n");
@ -722,8 +788,23 @@ void mlx4_en_stop_port(struct net_device *dev)
/* Set port as not active */
priv->port_up = false;
/* Detach All multicasts */
memset(&mc_list[10], 0xff, ETH_ALEN);
mc_list[5] = priv->port;
mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp, mc_list,
MLX4_PROT_ETH);
for (i = 0; i < priv->mc_addrs_cnt; i++) {
memcpy(&mc_list[10], priv->mc_addrs + i * ETH_ALEN, ETH_ALEN);
mc_list[5] = priv->port;
mlx4_multicast_detach(mdev->dev, &priv->rss_map.indir_qp,
mc_list, MLX4_PROT_ETH);
}
mlx4_en_clear_list(dev);
/* Flush multicast filter */
mlx4_SET_MCAST_FLTR(mdev->dev, priv->port, 0, 1, MLX4_MCAST_CONFIG);
/* Unregister Mac address for the port */
mlx4_unregister_mac(mdev->dev, priv->port, priv->mac_index);
mlx4_unregister_mac(mdev->dev, priv->port, priv->base_qpn);
mdev->mac_removed[priv->port] = 1;
/* Free TX Rings */
@ -801,7 +882,6 @@ static int mlx4_en_open(struct net_device *dev)
priv->rx_ring[i].packets = 0;
}
mlx4_en_set_default_moderation(priv);
err = mlx4_en_start_port(dev);
if (err)
en_err(priv, "Failed starting port:%d\n", priv->port);
@ -828,7 +908,7 @@ static int mlx4_en_close(struct net_device *dev)
return 0;
}
void mlx4_en_free_resources(struct mlx4_en_priv *priv)
void mlx4_en_free_resources(struct mlx4_en_priv *priv, bool reserve_vectors)
{
int i;
@ -836,14 +916,14 @@ void mlx4_en_free_resources(struct mlx4_en_priv *priv)
if (priv->tx_ring[i].tx_info)
mlx4_en_destroy_tx_ring(priv, &priv->tx_ring[i]);
if (priv->tx_cq[i].buf)
mlx4_en_destroy_cq(priv, &priv->tx_cq[i]);
mlx4_en_destroy_cq(priv, &priv->tx_cq[i], reserve_vectors);
}
for (i = 0; i < priv->rx_ring_num; i++) {
if (priv->rx_ring[i].rx_info)
mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]);
if (priv->rx_cq[i].buf)
mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
mlx4_en_destroy_cq(priv, &priv->rx_cq[i], reserve_vectors);
}
}
@ -851,6 +931,13 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
{
struct mlx4_en_port_profile *prof = priv->prof;
int i;
int base_tx_qpn, err;
err = mlx4_qp_reserve_range(priv->mdev->dev, priv->tx_ring_num, 256, &base_tx_qpn);
if (err) {
en_err(priv, "failed reserving range for TX rings\n");
return err;
}
/* Create tx Rings */
for (i = 0; i < priv->tx_ring_num; i++) {
@ -858,7 +945,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
prof->tx_ring_size, i, TX))
goto err;
if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i],
if (mlx4_en_create_tx_ring(priv, &priv->tx_ring[i], base_tx_qpn + i,
prof->tx_ring_size, TXBB_SIZE))
goto err;
}
@ -878,6 +965,7 @@ int mlx4_en_alloc_resources(struct mlx4_en_priv *priv)
err:
en_err(priv, "Failed to allocate NIC resources\n");
mlx4_qp_release_range(priv->mdev->dev, base_tx_qpn, priv->tx_ring_num);
return -ENOMEM;
}
@ -905,7 +993,7 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
mdev->pndev[priv->port] = NULL;
mutex_unlock(&mdev->state_lock);
mlx4_en_free_resources(priv);
mlx4_en_free_resources(priv, false);
free_netdev(dev);
}
@ -932,7 +1020,6 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
en_dbg(DRV, priv, "Change MTU called with card down!?\n");
} else {
mlx4_en_stop_port(dev);
mlx4_en_set_default_moderation(priv);
err = mlx4_en_start_port(dev);
if (err) {
en_err(priv, "Failed restarting port:%d\n",
@ -1079,7 +1166,25 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
en_warn(priv, "Using %d TX rings\n", prof->tx_ring_num);
en_warn(priv, "Using %d RX rings\n", prof->rx_ring_num);
/* Configure port */
err = mlx4_SET_PORT_general(mdev->dev, priv->port,
MLX4_EN_MIN_MTU,
0, 0, 0, 0);
if (err) {
en_err(priv, "Failed setting port general configurations "
"for port %d, with error %d\n", priv->port, err);
goto out;
}
/* Init port */
en_warn(priv, "Initializing port\n");
err = mlx4_INIT_PORT(mdev->dev, priv->port);
if (err) {
en_err(priv, "Failed Initializing port\n");
goto out;
}
priv->registered = 1;
mlx4_en_set_default_moderation(priv);
queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
return 0;

13
drivers/net/mlx4/en_port.c
View file

@ -119,6 +119,10 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
struct mlx4_set_port_rqp_calc_context *context;
int err;
u32 in_mod;
u32 m_promisc = (dev->caps.vep_mc_steering) ? MCAST_DIRECT : MCAST_DEFAULT;
if (dev->caps.vep_mc_steering && dev->caps.vep_uc_steering)
return 0;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
@ -127,8 +131,11 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn,
memset(context, 0, sizeof *context);
context->base_qpn = cpu_to_be32(base_qpn);
context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_EN_SHIFT | base_qpn);
context->mcast = cpu_to_be32(1 << SET_PORT_PROMISC_MODE_SHIFT | base_qpn);
context->n_mac = 0x7;
context->promisc = cpu_to_be32(promisc << SET_PORT_PROMISC_SHIFT |
base_qpn);
context->mcast = cpu_to_be32(m_promisc << SET_PORT_MC_PROMISC_SHIFT |
base_qpn);
context->intra_no_vlan = 0;
context->no_vlan = MLX4_NO_VLAN_IDX;
context->intra_vlan_miss = 0;
@ -206,7 +213,7 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset)
}
stats->tx_packets = 0;
stats->tx_bytes = 0;
for (i = 0; i <= priv->tx_ring_num; i++) {
for (i = 0; i < priv->tx_ring_num; i++) {
stats->tx_packets += priv->tx_ring[i].packets;
stats->tx_bytes += priv->tx_ring[i].bytes;
}

19
drivers/net/mlx4/en_port.h
View file

@ -36,8 +36,8 @@
#define SET_PORT_GEN_ALL_VALID 0x7
#define SET_PORT_PROMISC_EN_SHIFT 31
#define SET_PORT_PROMISC_MODE_SHIFT 30
#define SET_PORT_PROMISC_SHIFT 31
#define SET_PORT_MC_PROMISC_SHIFT 30
enum {
MLX4_CMD_SET_VLAN_FLTR = 0x47,
@ -45,6 +45,12 @@ enum {
MLX4_CMD_DUMP_ETH_STATS = 0x49,
};
enum {
MCAST_DIRECT_ONLY = 0,
MCAST_DIRECT = 1,
MCAST_DEFAULT = 2
};
struct mlx4_set_port_general_context {
u8 reserved[3];
u8 flags;
@ -60,14 +66,17 @@ struct mlx4_set_port_general_context {
struct mlx4_set_port_rqp_calc_context {
__be32 base_qpn;
__be32 flags;
u8 reserved[3];
u8 rererved;
u8 n_mac;
u8 n_vlan;
u8 n_prio;
u8 reserved2[3];
u8 mac_miss;
u8 intra_no_vlan;
u8 no_vlan;
u8 intra_vlan_miss;
u8 vlan_miss;
u8 reserved2[3];
u8 reserved3[3];
u8 no_vlan_prio;
__be32 promisc;
__be32 mcast;

11
drivers/net/mlx4/en_rx.c
View file

@ -845,16 +845,10 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
}
/* Configure RSS indirection qp */
err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &priv->base_qpn);
if (err) {
en_err(priv, "Failed to reserve range for RSS "
"indirection qp\n");
goto rss_err;
}
err = mlx4_qp_alloc(mdev->dev, priv->base_qpn, &rss_map->indir_qp);
if (err) {
en_err(priv, "Failed to allocate RSS indirection QP\n");
goto reserve_err;
goto rss_err;
}
rss_map->indir_qp.event = mlx4_en_sqp_event;
mlx4_en_fill_qp_context(priv, 0, 0, 0, 1, priv->base_qpn,
@ -881,8 +875,6 @@ indir_err:
MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
reserve_err:
mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
rss_err:
for (i = 0; i < good_qps; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],
@ -904,7 +896,6 @@ void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv)
MLX4_QP_STATE_RST, NULL, 0, 0, &rss_map->indir_qp);
mlx4_qp_remove(mdev->dev, &rss_map->indir_qp);
mlx4_qp_free(mdev->dev, &rss_map->indir_qp);
mlx4_qp_release_range(mdev->dev, priv->base_qpn, 1);
for (i = 0; i < priv->rx_ring_num; i++) {
mlx4_qp_modify(mdev->dev, NULL, rss_map->state[i],

72
drivers/net/mlx4/en_tx.c
View file

@ -44,6 +44,7 @@
enum {
MAX_INLINE = 104, /* 128 - 16 - 4 - 4 */
MAX_BF = 256,
};
static int inline_thold __read_mostly = MAX_INLINE;
@ -52,7 +53,7 @@ module_param_named(inline_thold, inline_thold, int, 0444);
MODULE_PARM_DESC(inline_thold, "threshold for using inline data");
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring, u32 size,
struct mlx4_en_tx_ring *ring, int qpn, u32 size,
u16 stride)
{
struct mlx4_en_dev *mdev = priv->mdev;
@ -103,23 +104,25 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
"buf_size:%d dma:%llx\n", ring, ring->buf, ring->size,
ring->buf_size, (unsigned long long) ring->wqres.buf.direct.map);
err = mlx4_qp_reserve_range(mdev->dev, 1, 1, &ring->qpn);
if (err) {
en_err(priv, "Failed reserving qp for tx ring.\n");
goto err_map;
}
ring->qpn = qpn;
err = mlx4_qp_alloc(mdev->dev, ring->qpn, &ring->qp);
if (err) {
en_err(priv, "Failed allocating qp %d\n", ring->qpn);
goto err_reserve;
goto err_map;
}
ring->qp.event = mlx4_en_sqp_event;
err = mlx4_bf_alloc(mdev->dev, &ring->bf);
if (err) {
en_dbg(DRV, priv, "working without blueflame (%d)", err);
ring->bf.uar = &mdev->priv_uar;
ring->bf.uar->map = mdev->uar_map;
ring->bf_enabled = false;
} else
ring->bf_enabled = true;
return 0;
err_reserve:
mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
err_map:
mlx4_en_unmap_buffer(&ring->wqres.buf);
err_hwq_res:
@ -139,6 +142,8 @@ void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_dev *mdev = priv->mdev;
en_dbg(DRV, priv, "Destroying tx ring, qpn: %d\n", ring->qpn);
if (ring->bf_enabled)
mlx4_bf_free(mdev->dev, &ring->bf);
mlx4_qp_remove(mdev->dev, &ring->qp);
mlx4_qp_free(mdev->dev, &ring->qp);
mlx4_qp_release_range(mdev->dev, ring->qpn, 1);
@ -171,6 +176,8 @@ int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
mlx4_en_fill_qp_context(priv, ring->size, ring->stride, 1, 0, ring->qpn,
ring->cqn, &ring->context);
if (ring->bf_enabled)
ring->context.usr_page = cpu_to_be32(ring->bf.uar->index);
err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, &ring->context,
&ring->qp, &ring->qp_state);
@ -591,6 +598,11 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
return skb_tx_hash(dev, skb);
}
static void mlx4_bf_copy(unsigned long *dst, unsigned long *src, unsigned bytecnt)
{
__iowrite64_copy(dst, src, bytecnt / 8);
}
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
@ -609,12 +621,13 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
int desc_size;
int real_size;
dma_addr_t dma;
u32 index;
u32 index, bf_index;
__be32 op_own;
u16 vlan_tag = 0;
int i;
int lso_header_size;
void *fragptr;
bool bounce = false;
if (!priv->port_up)
goto tx_drop;
@ -657,13 +670,16 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
/* Packet is good - grab an index and transmit it */
index = ring->prod & ring->size_mask;
bf_index = ring->prod;
/* See if we have enough space for whole descriptor TXBB for setting
* SW ownership on next descriptor; if not, use a bounce buffer. */
if (likely(index + nr_txbb <= ring->size))
tx_desc = ring->buf + index * TXBB_SIZE;
else
else {
tx_desc = (struct mlx4_en_tx_desc *) ring->bounce_buf;
bounce = true;
}
/* Save skb in tx_info ring */
tx_info = &ring->tx_info[index];
@ -768,21 +784,37 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
ring->prod += nr_txbb;
/* If we used a bounce buffer then copy descriptor back into place */
if (tx_desc == (struct mlx4_en_tx_desc *) ring->bounce_buf)
if (bounce)
tx_desc = mlx4_en_bounce_to_desc(priv, ring, index, desc_size);
/* Run destructor before passing skb to HW */
if (likely(!skb_shared(skb)))
skb_orphan(skb);
/* Ensure new descirptor hits memory
* before setting ownership of this descriptor to HW */
wmb();
tx_desc->ctrl.owner_opcode = op_own;
if (ring->bf_enabled && desc_size <= MAX_BF && !bounce && !vlan_tag) {
*(u32 *) (&tx_desc->ctrl.vlan_tag) |= ring->doorbell_qpn;
op_own |= htonl((bf_index & 0xffff) << 8);
/* Ensure new descirptor hits memory
* before setting ownership of this descriptor to HW */
wmb();
tx_desc->ctrl.owner_opcode = op_own;
/* Ring doorbell! */
wmb();
writel(ring->doorbell_qpn, mdev->uar_map + MLX4_SEND_DOORBELL);
wmb();
mlx4_bf_copy(ring->bf.reg + ring->bf.offset, (unsigned long *) &tx_desc->ctrl,
desc_size);
wmb();
ring->bf.offset ^= ring->bf.buf_size;
} else {
/* Ensure new descirptor hits memory
* before setting ownership of this descriptor to HW */
wmb();
tx_desc->ctrl.owner_opcode = op_own;
wmb();
writel(ring->doorbell_qpn, ring->bf.uar->map + MLX4_SEND_DOORBELL);
}
/* Poll CQ here */
mlx4_en_xmit_poll(priv, tx_ind);

107
drivers/net/mlx4/eq.c
View file

@ -42,7 +42,7 @@
#include "fw.h"
enum {
MLX4_IRQNAME_SIZE = 64
MLX4_IRQNAME_SIZE = 32
};
enum {
@ -317,8 +317,8 @@ static int mlx4_num_eq_uar(struct mlx4_dev *dev)
* we need to map, take the difference of highest index and
* the lowest index we'll use and add 1.
*/
return (dev->caps.num_comp_vectors + 1 + dev->caps.reserved_eqs) / 4 -
dev->caps.reserved_eqs / 4 + 1;
return (dev->caps.num_comp_vectors + 1 + dev->caps.reserved_eqs +
dev->caps.comp_pool)/4 - dev->caps.reserved_eqs/4 + 1;
}
static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq)
@ -496,16 +496,32 @@ static void mlx4_free_eq(struct mlx4_dev *dev,
static void mlx4_free_irqs(struct mlx4_dev *dev)
{
struct mlx4_eq_table *eq_table = &mlx4_priv(dev)->eq_table;
int i;
struct mlx4_priv *priv = mlx4_priv(dev);
int i, vec;
if (eq_table->have_irq)
free_irq(dev->pdev->irq, dev);
for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
if (eq_table->eq[i].have_irq) {
free_irq(eq_table->eq[i].irq, eq_table->eq + i);
eq_table->eq[i].have_irq = 0;
}
for (i = 0; i < dev->caps.comp_pool; i++) {
/*
* Freeing the assigned irq's
* all bits should be 0, but we need to validate
*/
if (priv->msix_ctl.pool_bm & 1ULL << i) {
/* NO need protecting*/
vec = dev->caps.num_comp_vectors + 1 + i;
free_irq(priv->eq_table.eq[vec].irq,
&priv->eq_table.eq[vec]);
}
}
kfree(eq_table->irq_names);
}
@ -578,7 +594,8 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
(priv->eq_table.inta_pin < 32 ? 4 : 0);
priv->eq_table.irq_names =
kmalloc(MLX4_IRQNAME_SIZE * (dev->caps.num_comp_vectors + 1),
kmalloc(MLX4_IRQNAME_SIZE * (dev->caps.num_comp_vectors + 1 +
dev->caps.comp_pool),
GFP_KERNEL);
if (!priv->eq_table.irq_names) {
err = -ENOMEM;
@ -601,6 +618,22 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
if (err)
goto err_out_comp;
/*if additional completion vectors poolsize is 0 this loop will not run*/
for (i = dev->caps.num_comp_vectors + 1;
i < dev->caps.num_comp_vectors + dev->caps.comp_pool + 1; ++i) {
err = mlx4_create_eq(dev, dev->caps.num_cqs -
dev->caps.reserved_cqs +
MLX4_NUM_SPARE_EQE,
(dev->flags & MLX4_FLAG_MSI_X) ? i : 0,
&priv->eq_table.eq[i]);
if (err) {
--i;
goto err_out_unmap;
}
}
if (dev->flags & MLX4_FLAG_MSI_X) {
const char *eq_name;
@ -686,7 +719,7 @@ void mlx4_cleanup_eq_table(struct mlx4_dev *dev)
mlx4_free_irqs(dev);
for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
for (i = 0; i < dev->caps.num_comp_vectors + dev->caps.comp_pool + 1; ++i)
mlx4_free_eq(dev, &priv->eq_table.eq[i]);
mlx4_unmap_clr_int(dev);
@ -743,3 +776,65 @@ int mlx4_test_interrupts(struct mlx4_dev *dev)
return err;
}
EXPORT_SYMBOL(mlx4_test_interrupts);
int mlx4_assign_eq(struct mlx4_dev *dev, char* name, int * vector)
{
struct mlx4_priv *priv = mlx4_priv(dev);
int vec = 0, err = 0, i;
spin_lock(&priv->msix_ctl.pool_lock);
for (i = 0; !vec && i < dev->caps.comp_pool; i++) {
if (~priv->msix_ctl.pool_bm & 1ULL << i) {
priv->msix_ctl.pool_bm |= 1ULL << i;
vec = dev->caps.num_comp_vectors + 1 + i;
snprintf(priv->eq_table.irq_names +
vec * MLX4_IRQNAME_SIZE,
MLX4_IRQNAME_SIZE, "%s", name);
err = request_irq(priv->eq_table.eq[vec].irq,
mlx4_msi_x_interrupt, 0,
&priv->eq_table.irq_names[vec<<5],
priv->eq_table.eq + vec);
if (err) {
/*zero out bit by fliping it*/
priv->msix_ctl.pool_bm ^= 1 << i;
vec = 0;
continue;
/*we dont want to break here*/
}
eq_set_ci(&priv->eq_table.eq[vec], 1);
}
}
spin_unlock(&priv->msix_ctl.pool_lock);
if (vec) {
*vector = vec;
} else {
*vector = 0;
err = (i == dev->caps.comp_pool) ? -ENOSPC : err;
}
return err;
}
EXPORT_SYMBOL(mlx4_assign_eq);
void mlx4_release_eq(struct mlx4_dev *dev, int vec)
{
struct mlx4_priv *priv = mlx4_priv(dev);
/*bm index*/
int i = vec - dev->caps.num_comp_vectors - 1;
if (likely(i >= 0)) {
/*sanity check , making sure were not trying to free irq's
Belonging to a legacy EQ*/
spin_lock(&priv->msix_ctl.pool_lock);
if (priv->msix_ctl.pool_bm & 1ULL << i) {
free_irq(priv->eq_table.eq[vec].irq,
&priv->eq_table.eq[vec]);
priv->msix_ctl.pool_bm &= ~(1ULL << i);
}
spin_unlock(&priv->msix_ctl.pool_lock);
}
}
EXPORT_SYMBOL(mlx4_release_eq);

25
drivers/net/mlx4/fw.c
View file

@ -274,8 +274,11 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev_cap->stat_rate_support = stat_rate;
MLX4_GET(field, outbox, QUERY_DEV_CAP_UDP_RSS_OFFSET);
dev_cap->udp_rss = field & 0x1;
dev_cap->vep_uc_steering = field & 0x2;
dev_cap->vep_mc_steering = field & 0x4;
MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
dev_cap->loopback_support = field & 0x1;
dev_cap->wol = field & 0x40;
MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
dev_cap->reserved_uars = field >> 4;
@ -737,6 +740,7 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
#define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00)
#define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12)
#define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16)
#define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18)
#define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b)
#define INIT_HCA_TPT_OFFSET 0x0f0
#define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00)
@ -797,6 +801,8 @@ int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param)
MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET);
MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET);
MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET);
if (dev->caps.vep_mc_steering)
MLX4_PUT(inbox, (u8) (1 << 3), INIT_HCA_UC_STEERING_OFFSET);
MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET);
/* TPT attributes */
@ -908,3 +914,22 @@ int mlx4_NOP(struct mlx4_dev *dev)
/* Input modifier of 0x1f means "finish as soon as possible." */
return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
}
#define MLX4_WOL_SETUP_MODE (5 << 28)
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port)
{
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3,
MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A);
}
EXPORT_SYMBOL_GPL(mlx4_wol_read);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port)
{
u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8;
return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG,
MLX4_CMD_TIME_CLASS_A);
}
EXPORT_SYMBOL_GPL(mlx4_wol_write);

3
drivers/net/mlx4/fw.h
View file

@ -80,6 +80,9 @@ struct mlx4_dev_cap {
u16 stat_rate_support;
int udp_rss;
int loopback_support;
int vep_uc_steering;
int vep_mc_steering;
int wol;
u32 flags;
int reserved_uars;
int uar_size;

119
drivers/net/mlx4/main.c
View file

@ -39,6 +39,7 @@
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/io-mapping.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>
@ -227,6 +228,9 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
dev->caps.udp_rss = dev_cap->udp_rss;
dev->caps.loopback_support = dev_cap->loopback_support;
dev->caps.vep_uc_steering = dev_cap->vep_uc_steering;
dev->caps.vep_mc_steering = dev_cap->vep_mc_steering;
dev->caps.wol = dev_cap->wol;
dev->caps.max_gso_sz = dev_cap->max_gso_sz;
dev->caps.log_num_macs = log_num_mac;
@ -718,8 +722,31 @@ static void mlx4_free_icms(struct mlx4_dev *dev)
mlx4_free_icm(dev, priv->fw.aux_icm, 0);
}
static int map_bf_area(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
resource_size_t bf_start;
resource_size_t bf_len;
int err = 0;
bf_start = pci_resource_start(dev->pdev, 2) + (dev->caps.num_uars << PAGE_SHIFT);
bf_len = pci_resource_len(dev->pdev, 2) - (dev->caps.num_uars << PAGE_SHIFT);
priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len);
if (!priv->bf_mapping)
err = -ENOMEM;
return err;
}
static void unmap_bf_area(struct mlx4_dev *dev)
{
if (mlx4_priv(dev)->bf_mapping)
io_mapping_free(mlx4_priv(dev)->bf_mapping);
}
static void mlx4_close_hca(struct mlx4_dev *dev)
{
unmap_bf_area(dev);
mlx4_CLOSE_HCA(dev, 0);
mlx4_free_icms(dev);
mlx4_UNMAP_FA(dev);
@ -772,6 +799,9 @@ static int mlx4_init_hca(struct mlx4_dev *dev)
goto err_stop_fw;
}
if (map_bf_area(dev))
mlx4_dbg(dev, "Failed to map blue flame area\n");
init_hca.log_uar_sz = ilog2(dev->caps.num_uars);
err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size);
@ -802,6 +832,7 @@ err_free_icm:
mlx4_free_icms(dev);
err_stop_fw:
unmap_bf_area(dev);
mlx4_UNMAP_FA(dev);
mlx4_free_icm(dev, priv->fw.fw_icm, 0);
@ -969,13 +1000,15 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct msix_entry *entries;
int nreq;
int nreq = min_t(int, dev->caps.num_ports *
min_t(int, num_online_cpus() + 1, MAX_MSIX_P_PORT)
+ MSIX_LEGACY_SZ, MAX_MSIX);
int err;
int i;
if (msi_x) {
nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
num_possible_cpus() + 1);
nreq);
entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
if (!entries)
goto no_msi;
@ -998,7 +1031,15 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
goto no_msi;
}
dev->caps.num_comp_vectors = nreq - 1;
if (nreq <
MSIX_LEGACY_SZ + dev->caps.num_ports * MIN_MSIX_P_PORT) {
/*Working in legacy mode , all EQ's shared*/
dev->caps.comp_pool = 0;
dev->caps.num_comp_vectors = nreq - 1;
} else {
dev->caps.comp_pool = nreq - MSIX_LEGACY_SZ;
dev->caps.num_comp_vectors = MSIX_LEGACY_SZ - 1;
}
for (i = 0; i < nreq; ++i)
priv->eq_table.eq[i].irq = entries[i].vector;
@ -1010,6 +1051,7 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
no_msi:
dev->caps.num_comp_vectors = 1;
dev->caps.comp_pool = 0;
for (i = 0; i < 2; ++i)
priv->eq_table.eq[i].irq = dev->pdev->irq;
@ -1049,6 +1091,59 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
device_remove_file(&info->dev->pdev->dev, &info->port_attr);
}
static int mlx4_init_steering(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
int num_entries = dev->caps.num_ports;
int i, j;
priv->steer = kzalloc(sizeof(struct mlx4_steer) * num_entries, GFP_KERNEL);
if (!priv->steer)
return -ENOMEM;
for (i = 0; i < num_entries; i++) {
for (j = 0; j < MLX4_NUM_STEERS; j++) {
INIT_LIST_HEAD(&priv->steer[i].promisc_qps[j]);
INIT_LIST_HEAD(&priv->steer[i].steer_entries[j]);
}
INIT_LIST_HEAD(&priv->steer[i].high_prios);
}
return 0;
}
static void mlx4_clear_steering(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_steer_index *entry, *tmp_entry;
struct mlx4_promisc_qp *pqp, *tmp_pqp;
int num_entries = dev->caps.num_ports;
int i, j;
for (i = 0; i < num_entries; i++) {
for (j = 0; j < MLX4_NUM_STEERS; j++) {
list_for_each_entry_safe(pqp, tmp_pqp,
&priv->steer[i].promisc_qps[j],
list) {
list_del(&pqp->list);
kfree(pqp);
}
list_for_each_entry_safe(entry, tmp_entry,
&priv->steer[i].steer_entries[j],
list) {
list_del(&entry->list);
list_for_each_entry_safe(pqp, tmp_pqp,
&entry->duplicates,
list) {
list_del(&pqp->list);
kfree(pqp);
}
kfree(entry);
}
}
}
kfree(priv->steer);
}
static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mlx4_priv *priv;
@ -1130,6 +1225,11 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_LIST_HEAD(&priv->pgdir_list);
mutex_init(&priv->pgdir_mutex);
pci_read_config_byte(pdev, PCI_REVISION_ID, &dev->rev_id);
INIT_LIST_HEAD(&priv->bf_list);
mutex_init(&priv->bf_mutex);
/*
* Now reset the HCA before we touch the PCI capabilities or
* attempt a firmware command, since a boot ROM may have left
@ -1154,8 +1254,15 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (err)
goto err_close;
priv->msix_ctl.pool_bm = 0;
spin_lock_init(&priv->msix_ctl.pool_lock);
mlx4_enable_msi_x(dev);
err = mlx4_init_steering(dev);
if (err)
goto err_free_eq;
err = mlx4_setup_hca(dev);
if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) {
dev->flags &= ~MLX4_FLAG_MSI_X;
@ -1164,7 +1271,7 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
}
if (err)
goto err_free_eq;
goto err_steer;
for (port = 1; port <= dev->caps.num_ports; port++) {
err = mlx4_init_port_info(dev, port);
@ -1197,6 +1304,9 @@ err_port:
mlx4_cleanup_pd_table(dev);
mlx4_cleanup_uar_table(dev);
err_steer:
mlx4_clear_steering(dev);
err_free_eq:
mlx4_free_eq_table(dev);
@ -1256,6 +1366,7 @@ static void mlx4_remove_one(struct pci_dev *pdev)
iounmap(priv->kar);
mlx4_uar_free(dev, &priv->driver_uar);
mlx4_cleanup_uar_table(dev);
mlx4_clear_steering(dev);
mlx4_free_eq_table(dev);
mlx4_close_hca(dev);
mlx4_cmd_cleanup(dev);

646
drivers/net/mlx4/mcg.c
View file

@ -32,6 +32,7 @@
*/
#include <linux/string.h>
#include <linux/etherdevice.h>
#include <linux/mlx4/cmd.h>
@ -40,38 +41,40 @@
#define MGM_QPN_MASK 0x00FFFFFF
#define MGM_BLCK_LB_BIT 30
struct mlx4_mgm {
__be32 next_gid_index;
__be32 members_count;
u32 reserved[2];
u8 gid[16];
__be32 qp[MLX4_QP_PER_MGM];
};
static const u8 zero_gid[16]; /* automatically initialized to 0 */
static int mlx4_READ_MCG(struct mlx4_dev *dev, int index,
struct mlx4_cmd_mailbox *mailbox)
static int mlx4_READ_ENTRY(struct mlx4_dev *dev, int index,
struct mlx4_cmd_mailbox *mailbox)
{
return mlx4_cmd_box(dev, 0, mailbox->dma, index, 0, MLX4_CMD_READ_MCG,
MLX4_CMD_TIME_CLASS_A);
}
static int mlx4_WRITE_MCG(struct mlx4_dev *dev, int index,
struct mlx4_cmd_mailbox *mailbox)
static int mlx4_WRITE_ENTRY(struct mlx4_dev *dev, int index,
struct mlx4_cmd_mailbox *mailbox)
{
return mlx4_cmd(dev, mailbox->dma, index, 0, MLX4_CMD_WRITE_MCG,
MLX4_CMD_TIME_CLASS_A);
}
static int mlx4_MGID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
u16 *hash)
static int mlx4_WRITE_PROMISC(struct mlx4_dev *dev, u8 vep_num, u8 port, u8 steer,
struct mlx4_cmd_mailbox *mailbox)
{
u32 in_mod;
in_mod = (u32) vep_num << 24 | (u32) port << 16 | steer << 1;
return mlx4_cmd(dev, mailbox->dma, in_mod, 0x1,
MLX4_CMD_WRITE_MCG, MLX4_CMD_TIME_CLASS_A);
}
static int mlx4_GID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
u16 *hash, u8 op_mod)
{
u64 imm;
int err;
err = mlx4_cmd_imm(dev, mailbox->dma, &imm, 0, 0, MLX4_CMD_MGID_HASH,
MLX4_CMD_TIME_CLASS_A);
err = mlx4_cmd_imm(dev, mailbox->dma, &imm, 0, op_mod,
MLX4_CMD_MGID_HASH, MLX4_CMD_TIME_CLASS_A);
if (!err)
*hash = imm;
@ -79,6 +82,457 @@ static int mlx4_MGID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox
return err;
}
static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 pf_num,
enum mlx4_steer_type steer,
u32 qpn)
{
struct mlx4_steer *s_steer = &mlx4_priv(dev)->steer[pf_num];
struct mlx4_promisc_qp *pqp;
list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) {
if (pqp->qpn == qpn)
return pqp;
}
/* not found */
return NULL;
}
/*
* Add new entry to steering data structure.
* All promisc QPs should be added as well
*/
static int new_steering_entry(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer,
unsigned int index, u32 qpn)
{
struct mlx4_steer *s_steer;
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
u32 members_count;
struct mlx4_steer_index *new_entry;
struct mlx4_promisc_qp *pqp;
struct mlx4_promisc_qp *dqp;
u32 prot;
int err;
u8 pf_num;
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL);
if (!new_entry)
return -ENOMEM;
INIT_LIST_HEAD(&new_entry->duplicates);
new_entry->index = index;
list_add_tail(&new_entry->list, &s_steer->steer_entries[steer]);
/* If the given qpn is also a promisc qp,
* it should be inserted to duplicates list
*/
pqp = get_promisc_qp(dev, pf_num, steer, qpn);
if (pqp) {
dqp = kmalloc(sizeof *dqp, GFP_KERNEL);
if (!dqp) {
err = -ENOMEM;
goto out_alloc;
}
dqp->qpn = qpn;
list_add_tail(&dqp->list, &new_entry->duplicates);
}
/* if no promisc qps for this vep, we are done */
if (list_empty(&s_steer->promisc_qps[steer]))
return 0;
/* now need to add all the promisc qps to the new
* steering entry, as they should also receive the packets
* destined to this address */
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
err = -ENOMEM;
goto out_alloc;
}
mgm = mailbox->buf;
err = mlx4_READ_ENTRY(dev, index, mailbox);
if (err)
goto out_mailbox;
members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
prot = be32_to_cpu(mgm->members_count) >> 30;
list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) {
/* don't add already existing qpn */
if (pqp->qpn == qpn)
continue;
if (members_count == MLX4_QP_PER_MGM) {
/* out of space */
err = -ENOMEM;
goto out_mailbox;
}
/* add the qpn */
mgm->qp[members_count++] = cpu_to_be32(pqp->qpn & MGM_QPN_MASK);
}
/* update the qps count and update the entry with all the promisc qps*/
mgm->members_count = cpu_to_be32(members_count | (prot << 30));
err = mlx4_WRITE_ENTRY(dev, index, mailbox);
out_mailbox:
mlx4_free_cmd_mailbox(dev, mailbox);
if (!err)
return 0;
out_alloc:
if (dqp) {
list_del(&dqp->list);
kfree(&dqp);
}
list_del(&new_entry->list);
kfree(new_entry);
return err;
}
/* update the data structures with existing steering entry */
static int existing_steering_entry(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer,
unsigned int index, u32 qpn)
{
struct mlx4_steer *s_steer;
struct mlx4_steer_index *tmp_entry, *entry = NULL;
struct mlx4_promisc_qp *pqp;
struct mlx4_promisc_qp *dqp;
u8 pf_num;
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
pqp = get_promisc_qp(dev, pf_num, steer, qpn);
if (!pqp)
return 0; /* nothing to do */
list_for_each_entry(tmp_entry, &s_steer->steer_entries[steer], list) {
if (tmp_entry->index == index) {
entry = tmp_entry;
break;
}
}
if (unlikely(!entry)) {
mlx4_warn(dev, "Steering entry at index %x is not registered\n", index);
return -EINVAL;
}
/* the given qpn is listed as a promisc qpn
* we need to add it as a duplicate to this entry
* for future refernce */
list_for_each_entry(dqp, &entry->duplicates, list) {
if (qpn == dqp->qpn)
return 0; /* qp is already duplicated */
}
/* add the qp as a duplicate on this index */
dqp = kmalloc(sizeof *dqp, GFP_KERNEL);
if (!dqp)
return -ENOMEM;
dqp->qpn = qpn;
list_add_tail(&dqp->list, &entry->duplicates);
return 0;
}
/* Check whether a qpn is a duplicate on steering entry
* If so, it should not be removed from mgm */
static bool check_duplicate_entry(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer,
unsigned int index, u32 qpn)
{
struct mlx4_steer *s_steer;
struct mlx4_steer_index *tmp_entry, *entry = NULL;
struct mlx4_promisc_qp *dqp, *tmp_dqp;
u8 pf_num;
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
/* if qp is not promisc, it cannot be duplicated */
if (!get_promisc_qp(dev, pf_num, steer, qpn))
return false;
/* The qp is promisc qp so it is a duplicate on this index
* Find the index entry, and remove the duplicate */
list_for_each_entry(tmp_entry, &s_steer->steer_entries[steer], list) {
if (tmp_entry->index == index) {
entry = tmp_entry;
break;
}
}
if (unlikely(!entry)) {
mlx4_warn(dev, "Steering entry for index %x is not registered\n", index);
return false;
}
list_for_each_entry_safe(dqp, tmp_dqp, &entry->duplicates, list) {
if (dqp->qpn == qpn) {
list_del(&dqp->list);
kfree(dqp);
}
}
return true;
}
/* I a steering entry contains only promisc QPs, it can be removed. */
static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer,
unsigned int index, u32 tqpn)
{
struct mlx4_steer *s_steer;
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
struct mlx4_steer_index *entry = NULL, *tmp_entry;
u32 qpn;
u32 members_count;
bool ret = false;
int i;
u8 pf_num;
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
return false;
mgm = mailbox->buf;
if (mlx4_READ_ENTRY(dev, index, mailbox))
goto out;
members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
for (i = 0; i < members_count; i++) {
qpn = be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK;
if (!get_promisc_qp(dev, pf_num, steer, qpn) && qpn != tqpn) {
/* the qp is not promisc, the entry can't be removed */
goto out;
}
}
/* All the qps currently registered for this entry are promiscuous,
* Checking for duplicates */
ret = true;
list_for_each_entry_safe(entry, tmp_entry, &s_steer->steer_entries[steer], list) {
if (entry->index == index) {
if (list_empty(&entry->duplicates)) {
list_del(&entry->list);
kfree(entry);
} else {
/* This entry contains duplicates so it shouldn't be removed */
ret = false;
goto out;
}
}
}
out:
mlx4_free_cmd_mailbox(dev, mailbox);
return ret;
}
static int add_promisc_qp(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer, u32 qpn)
{
struct mlx4_steer *s_steer;
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
struct mlx4_steer_index *entry;
struct mlx4_promisc_qp *pqp;
struct mlx4_promisc_qp *dqp;
u32 members_count;
u32 prot;
int i;
bool found;
int last_index;
int err;
u8 pf_num;
struct mlx4_priv *priv = mlx4_priv(dev);
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
mutex_lock(&priv->mcg_table.mutex);
if (get_promisc_qp(dev, pf_num, steer, qpn)) {
err = 0; /* Noting to do, already exists */
goto out_mutex;
}
pqp = kmalloc(sizeof *pqp, GFP_KERNEL);
if (!pqp) {
err = -ENOMEM;
goto out_mutex;
}
pqp->qpn = qpn;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
err = -ENOMEM;
goto out_alloc;
}
mgm = mailbox->buf;
/* the promisc qp needs to be added for each one of the steering
* entries, if it already exists, needs to be added as a duplicate
* for this entry */
list_for_each_entry(entry, &s_steer->steer_entries[steer], list) {
err = mlx4_READ_ENTRY(dev, entry->index, mailbox);
if (err)
goto out_mailbox;
members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
prot = be32_to_cpu(mgm->members_count) >> 30;
found = false;
for (i = 0; i < members_count; i++) {
if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qpn) {
/* Entry already exists, add to duplicates */
dqp = kmalloc(sizeof *dqp, GFP_KERNEL);
if (!dqp)
goto out_mailbox;
dqp->qpn = qpn;
list_add_tail(&dqp->list, &entry->duplicates);
found = true;
}
}
if (!found) {
/* Need to add the qpn to mgm */
if (members_count == MLX4_QP_PER_MGM) {
/* entry is full */
err = -ENOMEM;
goto out_mailbox;
}
mgm->qp[members_count++] = cpu_to_be32(qpn & MGM_QPN_MASK);
mgm->members_count = cpu_to_be32(members_count | (prot << 30));
err = mlx4_WRITE_ENTRY(dev, entry->index, mailbox);
if (err)
goto out_mailbox;
}
last_index = entry->index;
}
/* add the new qpn to list of promisc qps */
list_add_tail(&pqp->list, &s_steer->promisc_qps[steer]);
/* now need to add all the promisc qps to default entry */
memset(mgm, 0, sizeof *mgm);
members_count = 0;
list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list)
mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK);
mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30);
err = mlx4_WRITE_PROMISC(dev, vep_num, port, steer, mailbox);
if (err)
goto out_list;
mlx4_free_cmd_mailbox(dev, mailbox);
mutex_unlock(&priv->mcg_table.mutex);
return 0;
out_list:
list_del(&pqp->list);
out_mailbox:
mlx4_free_cmd_mailbox(dev, mailbox);
out_alloc:
kfree(pqp);
out_mutex:
mutex_unlock(&priv->mcg_table.mutex);
return err;
}
static int remove_promisc_qp(struct mlx4_dev *dev, u8 vep_num, u8 port,
enum mlx4_steer_type steer, u32 qpn)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_steer *s_steer;
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
struct mlx4_steer_index *entry;
struct mlx4_promisc_qp *pqp;
struct mlx4_promisc_qp *dqp;
u32 members_count;
bool found;
bool back_to_list = false;
int loc, i;
int err;
u8 pf_num;
pf_num = (dev->caps.num_ports == 1) ? vep_num : (vep_num << 1) | (port - 1);
s_steer = &mlx4_priv(dev)->steer[pf_num];
mutex_lock(&priv->mcg_table.mutex);
pqp = get_promisc_qp(dev, pf_num, steer, qpn);
if (unlikely(!pqp)) {
mlx4_warn(dev, "QP %x is not promiscuous QP\n", qpn);
/* nothing to do */
err = 0;
goto out_mutex;
}
/*remove from list of promisc qps */
list_del(&pqp->list);
kfree(pqp);
/* set the default entry not to include the removed one */
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox)) {
err = -ENOMEM;
back_to_list = true;
goto out_list;
}
mgm = mailbox->buf;
members_count = 0;
list_for_each_entry(dqp, &s_steer->promisc_qps[steer], list)
mgm->qp[members_count++] = cpu_to_be32(dqp->qpn & MGM_QPN_MASK);
mgm->members_count = cpu_to_be32(members_count | MLX4_PROT_ETH << 30);
err = mlx4_WRITE_PROMISC(dev, vep_num, port, steer, mailbox);
if (err)
goto out_mailbox;
/* remove the qp from all the steering entries*/
list_for_each_entry(entry, &s_steer->steer_entries[steer], list) {
found = false;
list_for_each_entry(dqp, &entry->duplicates, list) {
if (dqp->qpn == qpn) {
found = true;
break;
}
}
if (found) {
/* a duplicate, no need to change the mgm,
* only update the duplicates list */
list_del(&dqp->list);
kfree(dqp);
} else {
err = mlx4_READ_ENTRY(dev, entry->index, mailbox);
if (err)
goto out_mailbox;
members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
for (loc = -1, i = 0; i < members_count; ++i)
if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qpn)
loc = i;
mgm->members_count = cpu_to_be32(--members_count |
(MLX4_PROT_ETH << 30));
mgm->qp[loc] = mgm->qp[i - 1];
mgm->qp[i - 1] = 0;
err = mlx4_WRITE_ENTRY(dev, entry->index, mailbox);
if (err)
goto out_mailbox;
}
}
out_mailbox:
mlx4_free_cmd_mailbox(dev, mailbox);
out_list:
if (back_to_list)
list_add_tail(&pqp->list, &s_steer->promisc_qps[steer]);
out_mutex:
mutex_unlock(&priv->mcg_table.mutex);
return err;
}
/*
* Caller must hold MCG table semaphore. gid and mgm parameters must
* be properly aligned for command interface.
@ -94,15 +548,17 @@ static int mlx4_MGID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox
* If no AMGM exists for given gid, *index = -1, *prev = index of last
* entry in hash chain and *mgm holds end of hash chain.
*/
static int find_mgm(struct mlx4_dev *dev,
u8 *gid, enum mlx4_protocol protocol,
struct mlx4_cmd_mailbox *mgm_mailbox,
u16 *hash, int *prev, int *index)
static int find_entry(struct mlx4_dev *dev, u8 port,
u8 *gid, enum mlx4_protocol prot,
enum mlx4_steer_type steer,
struct mlx4_cmd_mailbox *mgm_mailbox,
u16 *hash, int *prev, int *index)
{
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm = mgm_mailbox->buf;
u8 *mgid;
int err;
u8 op_mod = (prot == MLX4_PROT_ETH) ? !!(dev->caps.vep_mc_steering) : 0;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
@ -111,7 +567,7 @@ static int find_mgm(struct mlx4_dev *dev,
memcpy(mgid, gid, 16);
err = mlx4_MGID_HASH(dev, mailbox, hash);
err = mlx4_GID_HASH(dev, mailbox, hash, op_mod);
mlx4_free_cmd_mailbox(dev, mailbox);
if (err)
return err;
@ -123,11 +579,11 @@ static int find_mgm(struct mlx4_dev *dev,
*prev = -1;
do {
err = mlx4_READ_MCG(dev, *index, mgm_mailbox);
err = mlx4_READ_ENTRY(dev, *index, mgm_mailbox);
if (err)
return err;
if (!memcmp(mgm->gid, zero_gid, 16)) {
if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) {
if (*index != *hash) {
mlx4_err(dev, "Found zero MGID in AMGM.\n");
err = -EINVAL;
@ -136,7 +592,7 @@ static int find_mgm(struct mlx4_dev *dev,
}
if (!memcmp(mgm->gid, gid, 16) &&
be32_to_cpu(mgm->members_count) >> 30 == protocol)
be32_to_cpu(mgm->members_count) >> 30 == prot)
return err;
*prev = *index;
@ -147,8 +603,9 @@ static int find_mgm(struct mlx4_dev *dev,
return err;
}
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback, enum mlx4_protocol protocol)
int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback, enum mlx4_protocol prot,
enum mlx4_steer_type steer)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_cmd_mailbox *mailbox;
@ -159,6 +616,8 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int link = 0;
int i;
int err;
u8 port = gid[5];
u8 new_entry = 0;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
@ -166,14 +625,16 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
mgm = mailbox->buf;
mutex_lock(&priv->mcg_table.mutex);
err = find_mgm(dev, gid, protocol, mailbox, &hash, &prev, &index);
err = find_entry(dev, port, gid, prot, steer,
mailbox, &hash, &prev, &index);
if (err)
goto out;
if (index != -1) {
if (!memcmp(mgm->gid, zero_gid, 16))
if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) {
new_entry = 1;
memcpy(mgm->gid, gid, 16);
}
} else {
link = 1;
@ -209,26 +670,34 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
else
mgm->qp[members_count++] = cpu_to_be32(qp->qpn & MGM_QPN_MASK);
mgm->members_count = cpu_to_be32(members_count | (u32) protocol << 30);
mgm->members_count = cpu_to_be32(members_count | (u32) prot << 30);
err = mlx4_WRITE_MCG(dev, index, mailbox);
err = mlx4_WRITE_ENTRY(dev, index, mailbox);
if (err)
goto out;
if (!link)
goto out;
err = mlx4_READ_MCG(dev, prev, mailbox);
err = mlx4_READ_ENTRY(dev, prev, mailbox);
if (err)
goto out;
mgm->next_gid_index = cpu_to_be32(index << 6);
err = mlx4_WRITE_MCG(dev, prev, mailbox);
err = mlx4_WRITE_ENTRY(dev, prev, mailbox);
if (err)
goto out;
out:
if (prot == MLX4_PROT_ETH) {
/* manage the steering entry for promisc mode */
if (new_entry)
new_steering_entry(dev, 0, port, steer, index, qp->qpn);
else
existing_steering_entry(dev, 0, port, steer,
index, qp->qpn);
}
if (err && link && index != -1) {
if (index < dev->caps.num_mgms)
mlx4_warn(dev, "Got AMGM index %d < %d",
@ -242,10 +711,9 @@ out:
mlx4_free_cmd_mailbox(dev, mailbox);
return err;
}
EXPORT_SYMBOL_GPL(mlx4_multicast_attach);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_protocol protocol)
int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_protocol prot, enum mlx4_steer_type steer)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_cmd_mailbox *mailbox;
@ -255,6 +723,8 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int prev, index;
int i, loc;
int err;
u8 port = gid[5];
bool removed_entry = false;
mailbox = mlx4_alloc_cmd_mailbox(dev);
if (IS_ERR(mailbox))
@ -263,7 +733,8 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
mutex_lock(&priv->mcg_table.mutex);
err = find_mgm(dev, gid, protocol, mailbox, &hash, &prev, &index);
err = find_entry(dev, port, gid, prot, steer,
mailbox, &hash, &prev, &index);
if (err)
goto out;
@ -273,6 +744,11 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
goto out;
}
/* if this pq is also a promisc qp, it shouldn't be removed */
if (prot == MLX4_PROT_ETH &&
check_duplicate_entry(dev, 0, port, steer, index, qp->qpn))
goto out;
members_count = be32_to_cpu(mgm->members_count) & 0xffffff;
for (loc = -1, i = 0; i < members_count; ++i)
if ((be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK) == qp->qpn)
@ -285,26 +761,31 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
}
mgm->members_count = cpu_to_be32(--members_count | (u32) protocol << 30);
mgm->members_count = cpu_to_be32(--members_count | (u32) prot << 30);
mgm->qp[loc] = mgm->qp[i - 1];
mgm->qp[i - 1] = 0;
if (i != 1) {
err = mlx4_WRITE_MCG(dev, index, mailbox);
if (prot == MLX4_PROT_ETH)
removed_entry = can_remove_steering_entry(dev, 0, port, steer, index, qp->qpn);
if (i != 1 && (prot != MLX4_PROT_ETH || !removed_entry)) {
err = mlx4_WRITE_ENTRY(dev, index, mailbox);
goto out;
}
/* We are going to delete the entry, members count should be 0 */
mgm->members_count = cpu_to_be32((u32) prot << 30);
if (prev == -1) {
/* Remove entry from MGM */
int amgm_index = be32_to_cpu(mgm->next_gid_index) >> 6;
if (amgm_index) {
err = mlx4_READ_MCG(dev, amgm_index, mailbox);
err = mlx4_READ_ENTRY(dev, amgm_index, mailbox);
if (err)
goto out;
} else
memset(mgm->gid, 0, 16);
err = mlx4_WRITE_MCG(dev, index, mailbox);
err = mlx4_WRITE_ENTRY(dev, index, mailbox);
if (err)
goto out;
@ -319,13 +800,13 @@ int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
} else {
/* Remove entry from AMGM */
int cur_next_index = be32_to_cpu(mgm->next_gid_index) >> 6;
err = mlx4_READ_MCG(dev, prev, mailbox);
err = mlx4_READ_ENTRY(dev, prev, mailbox);
if (err)
goto out;
mgm->next_gid_index = cpu_to_be32(cur_next_index << 6);
err = mlx4_WRITE_MCG(dev, prev, mailbox);
err = mlx4_WRITE_ENTRY(dev, prev, mailbox);
if (err)
goto out;
@ -343,8 +824,85 @@ out:
mlx4_free_cmd_mailbox(dev, mailbox);
return err;
}
int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback, enum mlx4_protocol prot)
{
enum mlx4_steer_type steer;
steer = (is_valid_ether_addr(&gid[10])) ? MLX4_UC_STEER : MLX4_MC_STEER;
if (prot == MLX4_PROT_ETH && !dev->caps.vep_mc_steering)
return 0;
if (prot == MLX4_PROT_ETH)
gid[7] |= (steer << 1);
return mlx4_qp_attach_common(dev, qp, gid,
block_mcast_loopback, prot,
steer);
}
EXPORT_SYMBOL_GPL(mlx4_multicast_attach);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_protocol prot)
{
enum mlx4_steer_type steer;
steer = (is_valid_ether_addr(&gid[10])) ? MLX4_UC_STEER : MLX4_MC_STEER;
if (prot == MLX4_PROT_ETH && !dev->caps.vep_mc_steering)
return 0;
if (prot == MLX4_PROT_ETH) {
gid[7] |= (steer << 1);
}
return mlx4_qp_detach_common(dev, qp, gid, prot, steer);
}
EXPORT_SYMBOL_GPL(mlx4_multicast_detach);
int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
{
if (!dev->caps.vep_mc_steering)
return 0;
return add_promisc_qp(dev, 0, port, MLX4_MC_STEER, qpn);
}
EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_add);
int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
{
if (!dev->caps.vep_mc_steering)
return 0;
return remove_promisc_qp(dev, 0, port, MLX4_MC_STEER, qpn);
}
EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove);
int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
{
if (!dev->caps.vep_mc_steering)
return 0;
return add_promisc_qp(dev, 0, port, MLX4_UC_STEER, qpn);
}
EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add);
int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
{
if (!dev->caps.vep_mc_steering)
return 0;
return remove_promisc_qp(dev, 0, port, MLX4_UC_STEER, qpn);
}
EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_remove);
int mlx4_init_mcg_table(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);

50
drivers/net/mlx4/mlx4.h
View file

@ -105,6 +105,7 @@ struct mlx4_bitmap {
u32 max;
u32 reserved_top;
u32 mask;
u32 avail;
spinlock_t lock;
unsigned long *table;
};
@ -162,6 +163,27 @@ struct mlx4_fw {
u8 catas_bar;
};
#define MGM_QPN_MASK 0x00FFFFFF
#define MGM_BLCK_LB_BIT 30
struct mlx4_promisc_qp {
struct list_head list;
u32 qpn;
};
struct mlx4_steer_index {
struct list_head list;
unsigned int index;
struct list_head duplicates;
};
struct mlx4_mgm {
__be32 next_gid_index;
__be32 members_count;
u32 reserved[2];
u8 gid[16];
__be32 qp[MLX4_QP_PER_MGM];
};
struct mlx4_cmd {
struct pci_pool *pool;
void __iomem *hcr;
@ -265,6 +287,10 @@ struct mlx4_vlan_table {
int max;
};
struct mlx4_mac_entry {
u64 mac;
};
struct mlx4_port_info {
struct mlx4_dev *dev;
int port;
@ -272,7 +298,9 @@ struct mlx4_port_info {
struct device_attribute port_attr;
enum mlx4_port_type tmp_type;
struct mlx4_mac_table mac_table;
struct radix_tree_root mac_tree;
struct mlx4_vlan_table vlan_table;
int base_qpn;
};
struct mlx4_sense {
@ -282,6 +310,17 @@ struct mlx4_sense {
struct delayed_work sense_poll;
};
struct mlx4_msix_ctl {
u64 pool_bm;
spinlock_t pool_lock;
};
struct mlx4_steer {
struct list_head promisc_qps[MLX4_NUM_STEERS];
struct list_head steer_entries[MLX4_NUM_STEERS];
struct list_head high_prios;
};
struct mlx4_priv {
struct mlx4_dev dev;
@ -313,6 +352,11 @@ struct mlx4_priv {
struct mlx4_port_info port[MLX4_MAX_PORTS + 1];
struct mlx4_sense sense;
struct mutex port_mutex;
struct mlx4_msix_ctl msix_ctl;
struct mlx4_steer *steer;
struct list_head bf_list;
struct mutex bf_mutex;
struct io_mapping *bf_mapping;
};
static inline struct mlx4_priv *mlx4_priv(struct mlx4_dev *dev)
@ -328,6 +372,7 @@ u32 mlx4_bitmap_alloc(struct mlx4_bitmap *bitmap);
void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj);
u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align);
void mlx4_bitmap_free_range(struct mlx4_bitmap *bitmap, u32 obj, int cnt);
u32 mlx4_bitmap_avail(struct mlx4_bitmap *bitmap);
int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
u32 reserved_bot, u32 resetrved_top);
void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap);
@ -403,4 +448,9 @@ void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table);
int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port);
int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps);
int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_protocol prot, enum mlx4_steer_type steer);
int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback, enum mlx4_protocol prot,
enum mlx4_steer_type steer);
#endif /* MLX4_H */

27
drivers/net/mlx4/mlx4_en.h
View file

@ -49,8 +49,8 @@
#include "en_port.h"
#define DRV_NAME "mlx4_en"
#define DRV_VERSION "1.5.1.6"
#define DRV_RELDATE "August 2010"
#define DRV_VERSION "1.5.4.1"
#define DRV_RELDATE "March 2011"
#define MLX4_EN_MSG_LEVEL (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
@ -62,6 +62,7 @@
#define MLX4_EN_PAGE_SHIFT 12
#define MLX4_EN_PAGE_SIZE (1 << MLX4_EN_PAGE_SHIFT)
#define MAX_RX_RINGS 16
#define MIN_RX_RINGS 4
#define TXBB_SIZE 64
#define HEADROOM (2048 / TXBB_SIZE + 1)
#define STAMP_STRIDE 64
@ -124,6 +125,7 @@ enum {
#define MLX4_EN_RX_SIZE_THRESH 1024
#define MLX4_EN_RX_RATE_THRESH (1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
#define MLX4_EN_SAMPLE_INTERVAL 0
#define MLX4_EN_AVG_PKT_SMALL 256
#define MLX4_EN_AUTO_CONF 0xffff
@ -214,6 +216,9 @@ struct mlx4_en_tx_desc {
#define MLX4_EN_USE_SRQ 0x01000000
#define MLX4_EN_CX3_LOW_ID 0x1000
#define MLX4_EN_CX3_HIGH_ID 0x1005
struct mlx4_en_rx_alloc {
struct page *page;
u16 offset;
@ -243,6 +248,8 @@ struct mlx4_en_tx_ring {
unsigned long bytes;
unsigned long packets;
spinlock_t comp_lock;
struct mlx4_bf bf;
bool bf_enabled;
};
struct mlx4_en_rx_desc {
@ -453,6 +460,7 @@ struct mlx4_en_priv {
struct mlx4_en_rss_map rss_map;
u32 flags;
#define MLX4_EN_FLAG_PROMISC 0x1
#define MLX4_EN_FLAG_MC_PROMISC 0x2
u32 tx_ring_num;
u32 rx_ring_num;
u32 rx_skb_size;
@ -461,6 +469,7 @@ struct mlx4_en_priv {
u16 log_rx_info;
struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
int tx_vector;
struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
struct mlx4_en_cq tx_cq[MAX_TX_RINGS];
struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
@ -476,6 +485,13 @@ struct mlx4_en_priv {
int mc_addrs_cnt;
struct mlx4_en_stat_out_mbox hw_stats;
int vids[128];
bool wol;
};
enum mlx4_en_wol {
MLX4_EN_WOL_MAGIC = (1ULL << 61),
MLX4_EN_WOL_ENABLED = (1ULL << 62),
MLX4_EN_WOL_DO_MODIFY = (1ULL << 63),
};
@ -486,12 +502,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
int mlx4_en_start_port(struct net_device *dev);
void mlx4_en_stop_port(struct net_device *dev);
void mlx4_en_free_resources(struct mlx4_en_priv *priv);
void mlx4_en_free_resources(struct mlx4_en_priv *priv, bool reserve_vectors);
int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
int entries, int ring, enum cq_type mode);
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
bool reserve_vectors);
int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
@ -503,7 +520,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
u32 size, u16 stride);
int qpn, u32 size, u16 stride);
void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_tx_ring *ring,

102
drivers/net/mlx4/pd.c
View file

@ -32,12 +32,17 @@
*/
#include <linux/errno.h>
#include <linux/io-mapping.h>
#include <asm/page.h>
#include "mlx4.h"
#include "icm.h"
enum {
MLX4_NUM_RESERVED_UARS = 8
};
int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn)
{
struct mlx4_priv *priv = mlx4_priv(dev);
@ -77,6 +82,7 @@ int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar)
return -ENOMEM;
uar->pfn = (pci_resource_start(dev->pdev, 2) >> PAGE_SHIFT) + uar->index;
uar->map = NULL;
return 0;
}
@ -88,6 +94,102 @@ void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar)
}
EXPORT_SYMBOL_GPL(mlx4_uar_free);
int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_uar *uar;
int err = 0;
int idx;
if (!priv->bf_mapping)
return -ENOMEM;
mutex_lock(&priv->bf_mutex);
if (!list_empty(&priv->bf_list))
uar = list_entry(priv->bf_list.next, struct mlx4_uar, bf_list);
else {
if (mlx4_bitmap_avail(&priv->uar_table.bitmap) < MLX4_NUM_RESERVED_UARS) {
err = -ENOMEM;
goto out;
}
uar = kmalloc(sizeof *uar, GFP_KERNEL);
if (!uar) {
err = -ENOMEM;
goto out;
}
err = mlx4_uar_alloc(dev, uar);
if (err)
goto free_kmalloc;
uar->map = ioremap(uar->pfn << PAGE_SHIFT, PAGE_SIZE);
if (!uar->map) {
err = -ENOMEM;
goto free_uar;
}
uar->bf_map = io_mapping_map_wc(priv->bf_mapping, uar->index << PAGE_SHIFT);
if (!uar->bf_map) {
err = -ENOMEM;
goto unamp_uar;
}
uar->free_bf_bmap = 0;
list_add(&uar->bf_list, &priv->bf_list);
}
bf->uar = uar;
idx = ffz(uar->free_bf_bmap);
uar->free_bf_bmap |= 1 << idx;
bf->uar = uar;
bf->offset = 0;
bf->buf_size = dev->caps.bf_reg_size / 2;
bf->reg = uar->bf_map + idx * dev->caps.bf_reg_size;
if (uar->free_bf_bmap == (1 << dev->caps.bf_regs_per_page) - 1)
list_del_init(&uar->bf_list);
goto out;
unamp_uar:
bf->uar = NULL;
iounmap(uar->map);
free_uar:
mlx4_uar_free(dev, uar);
free_kmalloc:
kfree(uar);
out:
mutex_unlock(&priv->bf_mutex);
return err;
}
EXPORT_SYMBOL_GPL(mlx4_bf_alloc);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf)
{
struct mlx4_priv *priv = mlx4_priv(dev);
int idx;
if (!bf->uar || !bf->uar->bf_map)
return;
mutex_lock(&priv->bf_mutex);
idx = (bf->reg - bf->uar->bf_map) / dev->caps.bf_reg_size;
bf->uar->free_bf_bmap &= ~(1 << idx);
if (!bf->uar->free_bf_bmap) {
if (!list_empty(&bf->uar->bf_list))
list_del(&bf->uar->bf_list);
io_mapping_unmap(bf->uar->bf_map);
iounmap(bf->uar->map);
mlx4_uar_free(dev, bf->uar);
kfree(bf->uar);
} else if (list_empty(&bf->uar->bf_list))
list_add(&bf->uar->bf_list, &priv->bf_list);
mutex_unlock(&priv->bf_mutex);
}
EXPORT_SYMBOL_GPL(mlx4_bf_free);
int mlx4_init_uar_table(struct mlx4_dev *dev)
{
if (dev->caps.num_uars <= 128) {

165
drivers/net/mlx4/port.c
View file

@ -90,12 +90,79 @@ static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port,
return err;
}
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port,
u64 mac, int *qpn, u8 reserve)
{
struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
struct mlx4_qp qp;
u8 gid[16] = {0};
int err;
if (reserve) {
err = mlx4_qp_reserve_range(dev, 1, 1, qpn);
if (err) {
mlx4_err(dev, "Failed to reserve qp for mac registration\n");
return err;
}
}
qp.qpn = *qpn;
mac &= 0xffffffffffffULL;
mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &mac, ETH_ALEN);
gid[5] = port;
gid[7] = MLX4_UC_STEER << 1;
err = mlx4_qp_attach_common(dev, &qp, gid, 0,
MLX4_PROT_ETH, MLX4_UC_STEER);
if (err && reserve)
mlx4_qp_release_range(dev, *qpn, 1);
return err;
}
static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port,
u64 mac, int qpn, u8 free)
{
struct mlx4_qp qp;
u8 gid[16] = {0};
qp.qpn = qpn;
mac &= 0xffffffffffffULL;
mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &mac, ETH_ALEN);
gid[5] = port;
gid[7] = MLX4_UC_STEER << 1;
mlx4_qp_detach_common(dev, &qp, gid, MLX4_PROT_ETH, MLX4_UC_STEER);
if (free)
mlx4_qp_release_range(dev, qpn, 1);
}
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn, u8 wrap)
{
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
struct mlx4_mac_table *table = &info->mac_table;
struct mlx4_mac_entry *entry;
int i, err = 0;
int free = -1;
if (dev->caps.vep_uc_steering) {
err = mlx4_uc_steer_add(dev, port, mac, qpn, 1);
if (!err) {
entry = kmalloc(sizeof *entry, GFP_KERNEL);
if (!entry) {
mlx4_uc_steer_release(dev, port, mac, *qpn, 1);
return -ENOMEM;
}
entry->mac = mac;
err = radix_tree_insert(&info->mac_tree, *qpn, entry);
if (err) {
mlx4_uc_steer_release(dev, port, mac, *qpn, 1);
return err;
}
} else
return err;
}
mlx4_dbg(dev, "Registering MAC: 0x%llx\n", (unsigned long long) mac);
mutex_lock(&table->mutex);
for (i = 0; i < MLX4_MAX_MAC_NUM - 1; i++) {
@ -106,7 +173,6 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
/* MAC already registered, increase refernce count */
*index = i;
++table->refs[i];
goto out;
}
@ -137,7 +203,8 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
goto out;
}
*index = free;
if (!dev->caps.vep_uc_steering)
*qpn = info->base_qpn + free;
++table->total;
out:
mutex_unlock(&table->mutex);
@ -145,20 +212,52 @@ out:
}
EXPORT_SYMBOL_GPL(mlx4_register_mac);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index)
static int validate_index(struct mlx4_dev *dev,
struct mlx4_mac_table *table, int index)
{
struct mlx4_mac_table *table = &mlx4_priv(dev)->port[port].mac_table;
int err = 0;
if (index < 0 || index >= table->max || !table->entries[index]) {
mlx4_warn(dev, "No valid Mac entry for the given index\n");
err = -EINVAL;
}
return err;
}
static int find_index(struct mlx4_dev *dev,
struct mlx4_mac_table *table, u64 mac)
{
int i;
for (i = 0; i < MLX4_MAX_MAC_NUM; i++) {
if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i])))
return i;
}
/* Mac not found */
return -EINVAL;
}
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn)
{
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
struct mlx4_mac_table *table = &info->mac_table;
int index = qpn - info->base_qpn;
struct mlx4_mac_entry *entry;
if (dev->caps.vep_uc_steering) {
entry = radix_tree_lookup(&info->mac_tree, qpn);
if (entry) {
mlx4_uc_steer_release(dev, port, entry->mac, qpn, 1);
radix_tree_delete(&info->mac_tree, qpn);
index = find_index(dev, table, entry->mac);
kfree(entry);
}
}
mutex_lock(&table->mutex);
if (!table->refs[index]) {
mlx4_warn(dev, "No MAC entry for index %d\n", index);
if (validate_index(dev, table, index))
goto out;
}
if (--table->refs[index]) {
mlx4_warn(dev, "Have more references for index %d,"
"no need to modify MAC table\n", index);
goto out;
}
table->entries[index] = 0;
mlx4_set_port_mac_table(dev, port, table->entries);
--table->total;
@ -167,6 +266,44 @@ out:
}
EXPORT_SYMBOL_GPL(mlx4_unregister_mac);
int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac, u8 wrap)
{
struct mlx4_port_info *info = &mlx4_priv(dev)->port[port];
struct mlx4_mac_table *table = &info->mac_table;
int index = qpn - info->base_qpn;
struct mlx4_mac_entry *entry;
int err;
if (dev->caps.vep_uc_steering) {
entry = radix_tree_lookup(&info->mac_tree, qpn);
if (!entry)
return -EINVAL;
index = find_index(dev, table, entry->mac);
mlx4_uc_steer_release(dev, port, entry->mac, qpn, 0);
entry->mac = new_mac;
err = mlx4_uc_steer_add(dev, port, entry->mac, &qpn, 0);
if (err || index < 0)
return err;
}
mutex_lock(&table->mutex);
err = validate_index(dev, table, index);
if (err)
goto out;
table->entries[index] = cpu_to_be64(new_mac | MLX4_MAC_VALID);
err = mlx4_set_port_mac_table(dev, port, table->entries);
if (unlikely(err)) {
mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) new_mac);
table->entries[index] = 0;
}
out:
mutex_unlock(&table->mutex);
return err;
}
EXPORT_SYMBOL_GPL(mlx4_replace_mac);
static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port,
__be32 *entries)
{

4
drivers/net/mlx4/profile.c
View file

@ -107,9 +107,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
profile[MLX4_RES_AUXC].num = request->num_qp;
profile[MLX4_RES_SRQ].num = request->num_srq;
profile[MLX4_RES_CQ].num = request->num_cq;
profile[MLX4_RES_EQ].num = min_t(unsigned, dev_cap->max_eqs,
dev_cap->reserved_eqs +
num_possible_cpus() + 1);
profile[MLX4_RES_EQ].num = min_t(unsigned, dev_cap->max_eqs, MAX_MSIX);
profile[MLX4_RES_DMPT].num = request->num_mpt;
profile[MLX4_RES_CMPT].num = MLX4_NUM_CMPTS;
profile[MLX4_RES_MTT].num = request->num_mtt;

1
drivers/net/myri10ge/myri10ge.c
View file

@ -3645,6 +3645,7 @@ static void myri10ge_free_slices(struct myri10ge_priv *mgp)
dma_free_coherent(&pdev->dev, bytes,
ss->fw_stats, ss->fw_stats_bus);
ss->fw_stats = NULL;
netif_napi_del(&ss->napi);
}
}
kfree(mgp->ss);

6
drivers/net/pch_gbe/pch_gbe_main.c
View file

@ -2441,7 +2441,7 @@ static struct pci_error_handlers pch_gbe_err_handler = {
.resume = pch_gbe_io_resume
};
static struct pci_driver pch_gbe_pcidev = {
static struct pci_driver pch_gbe_driver = {
.name = KBUILD_MODNAME,
.id_table = pch_gbe_pcidev_id,
.probe = pch_gbe_probe,
@ -2458,7 +2458,7 @@ static int __init pch_gbe_init_module(void)
{
int ret;
ret = pci_register_driver(&pch_gbe_pcidev);
ret = pci_register_driver(&pch_gbe_driver);
if (copybreak != PCH_GBE_COPYBREAK_DEFAULT) {
if (copybreak == 0) {
pr_info("copybreak disabled\n");
@ -2472,7 +2472,7 @@ static int __init pch_gbe_init_module(void)
static void __exit pch_gbe_exit_module(void)
{
pci_unregister_driver(&pch_gbe_pcidev);
pci_unregister_driver(&pch_gbe_driver);
}
module_init(pch_gbe_init_module);

18
drivers/net/sfc/efx.c
View file

@ -1054,6 +1054,7 @@ static int efx_init_io(struct efx_nic *efx)
{
struct pci_dev *pci_dev = efx->pci_dev;
dma_addr_t dma_mask = efx->type->max_dma_mask;
bool use_wc;
int rc;
netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n");
@ -1104,8 +1105,21 @@ static int efx_init_io(struct efx_nic *efx)
rc = -EIO;
goto fail3;
}
efx->membase = ioremap_wc(efx->membase_phys,
efx->type->mem_map_size);
/* bug22643: If SR-IOV is enabled then tx push over a write combined
* mapping is unsafe. We need to disable write combining in this case.
* MSI is unsupported when SR-IOV is enabled, and the firmware will
* have removed the MSI capability. So write combining is safe if
* there is an MSI capability.
*/
use_wc = (!EFX_WORKAROUND_22643(efx) ||
pci_find_capability(pci_dev, PCI_CAP_ID_MSI));
if (use_wc)
efx->membase = ioremap_wc(efx->membase_phys,
efx->type->mem_map_size);
else
efx->membase = ioremap_nocache(efx->membase_phys,
efx->type->mem_map_size);
if (!efx->membase) {
netif_err(efx, probe, efx->net_dev,
"could not map memory BAR at %llx+%x\n",

2
drivers/net/sfc/workarounds.h
View file

@ -38,6 +38,8 @@
#define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS
/* Legacy interrupt storm when interrupt fifo fills */
#define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA
/* Write combining and sriov=enabled are incompatible */
#define EFX_WORKAROUND_22643 EFX_WORKAROUND_SIENA
/* Spurious parity errors in TSORT buffers */
#define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A

17
drivers/net/usb/smsc95xx.c
View file

@ -49,6 +49,8 @@
struct smsc95xx_priv {
u32 mac_cr;
u32 hash_hi;
u32 hash_lo;
spinlock_t mac_cr_lock;
bool use_tx_csum;
bool use_rx_csum;
@ -370,10 +372,11 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
{
struct usbnet *dev = netdev_priv(netdev);
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
u32 hash_hi = 0;
u32 hash_lo = 0;
unsigned long flags;
pdata->hash_hi = 0;
pdata->hash_lo = 0;
spin_lock_irqsave(&pdata->mac_cr_lock, flags);
if (dev->net->flags & IFF_PROMISC) {
@ -394,13 +397,13 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
u32 bitnum = smsc95xx_hash(ha->addr);
u32 mask = 0x01 << (bitnum & 0x1F);
if (bitnum & 0x20)
hash_hi |= mask;
pdata->hash_hi |= mask;
else
hash_lo |= mask;
pdata->hash_lo |= mask;
}
netif_dbg(dev, drv, dev->net, "HASHH=0x%08X, HASHL=0x%08X\n",
hash_hi, hash_lo);
pdata->hash_hi, pdata->hash_lo);
} else {
netif_dbg(dev, drv, dev->net, "receive own packets only\n");
pdata->mac_cr &=
@ -410,8 +413,8 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
/* Initiate async writes, as we can't wait for completion here */
smsc95xx_write_reg_async(dev, HASHH, &hash_hi);
smsc95xx_write_reg_async(dev, HASHL, &hash_lo);
smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
}

2
drivers/net/wireless/ath/ath9k/main.c
View file

@ -2160,6 +2160,8 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
if (!ath_drain_all_txq(sc, false))
ath_reset(sc, false);
ieee80211_wake_queues(hw);
out:
ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
mutex_unlock(&sc->mutex);

2
drivers/net/wireless/ath/ath9k/rc.c
View file

@ -1328,7 +1328,7 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
hdr = (struct ieee80211_hdr *)skb->data;
fc = hdr->frame_control;
for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
for (i = 0; i < sc->hw->max_rates; i++) {
struct ieee80211_tx_rate *rate = &tx_info->status.rates[i];
if (!rate->count)
break;

4
drivers/net/wireless/ath/ath9k/xmit.c
View file

@ -1725,8 +1725,8 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
u8 tidno;
spin_lock_bh(&txctl->txq->axq_lock);
if (ieee80211_is_data_qos(hdr->frame_control) && txctl->an) {
if ((sc->sc_flags & SC_OP_TXAGGR) && txctl->an &&
ieee80211_is_data_qos(hdr->frame_control)) {
tidno = ieee80211_get_qos_ctl(hdr)[0] &
IEEE80211_QOS_CTL_TID_MASK;
tid = ATH_AN_2_TID(txctl->an, tidno);

2
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View file

@ -2265,7 +2265,7 @@ signed long iwlagn_wait_notification(struct iwl_priv *priv,
int ret;
ret = wait_event_timeout(priv->_agn.notif_waitq,
&wait_entry->triggered,
wait_entry->triggered,
timeout);
spin_lock_bh(&priv->_agn.notif_wait_lock);

7
drivers/net/wireless/iwlwifi/iwl-agn.c
View file

@ -3009,14 +3009,17 @@ static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw)
mutex_lock(&priv->mutex);
if (!priv->_agn.offchan_tx_skb)
return -EINVAL;
if (!priv->_agn.offchan_tx_skb) {
ret = -EINVAL;
goto unlock;
}
priv->_agn.offchan_tx_skb = NULL;
ret = iwl_scan_cancel_timeout(priv, 200);
if (ret)
ret = -EIO;
unlock:
mutex_unlock(&priv->mutex);
return ret;

3
drivers/net/wireless/orinoco/cfg.c
View file

@ -153,6 +153,9 @@ static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev,
priv->scan_request = request;
err = orinoco_hw_trigger_scan(priv, request->ssids);
/* On error the we aren't processing the request */
if (err)
priv->scan_request = NULL;
return err;
}

2
drivers/net/wireless/orinoco/main.c
View file

@ -1376,13 +1376,13 @@ static void orinoco_process_scan_results(struct work_struct *work)
spin_lock_irqsave(&priv->scan_lock, flags);
list_for_each_entry_safe(sd, temp, &priv->scan_list, list) {
spin_unlock_irqrestore(&priv->scan_lock, flags);
buf = sd->buf;
len = sd->len;
type = sd->type;
list_del(&sd->list);
spin_unlock_irqrestore(&priv->scan_lock, flags);
kfree(sd);
if (len > 0) {

7
drivers/net/wireless/rt2x00/rt2800usb.c
View file

@ -719,6 +719,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x0b05, 0x1732), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x0b05, 0x1742), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x0b05, 0x1784), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x1761, 0x0b05), USB_DEVICE_DATA(&rt2800usb_ops) },
/* AzureWave */
{ USB_DEVICE(0x13d3, 0x3247), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x13d3, 0x3273), USB_DEVICE_DATA(&rt2800usb_ops) },
@ -913,7 +914,6 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x0b05, 0x1760), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x0b05, 0x1761), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x0b05, 0x1790), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x1761, 0x0b05), USB_DEVICE_DATA(&rt2800usb_ops) },
/* AzureWave */
{ USB_DEVICE(0x13d3, 0x3262), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x13d3, 0x3284), USB_DEVICE_DATA(&rt2800usb_ops) },
@ -937,6 +937,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x07d1, 0x3c13), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x07d1, 0x3c15), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x07d1, 0x3c17), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Edimax */
{ USB_DEVICE(0x7392, 0x4085), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Encore */
{ USB_DEVICE(0x203d, 0x14a1), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Gemtek */
@ -961,6 +963,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x1d4d, 0x0010), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x1d4d, 0x0011), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Planex */
{ USB_DEVICE(0x2019, 0x5201), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x2019, 0xab24), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Qcom */
{ USB_DEVICE(0x18e8, 0x6259), USB_DEVICE_DATA(&rt2800usb_ops) },
@ -972,6 +975,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
/* Sweex */
{ USB_DEVICE(0x177f, 0x0153), USB_DEVICE_DATA(&rt2800usb_ops) },
{ USB_DEVICE(0x177f, 0x0313), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Toshiba */
{ USB_DEVICE(0x0930, 0x0a07), USB_DEVICE_DATA(&rt2800usb_ops) },
/* Zyxel */
{ USB_DEVICE(0x0586, 0x341a), USB_DEVICE_DATA(&rt2800usb_ops) },
#endif

31
drivers/net/wireless/rtlwifi/efuse.c
View file

@ -410,8 +410,8 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
if (!efuse_shadow_update_chk(hw)) {
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
(void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
@ -446,9 +446,9 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
if (word_en != 0x0F) {
u8 tmpdata[8];
memcpy((void *)tmpdata,
(void *)(&rtlefuse->
efuse_map[EFUSE_MODIFY_MAP][base]), 8);
memcpy(tmpdata,
&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
8);
RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
("U-efuse\n"), tmpdata, 8);
@ -465,8 +465,8 @@ bool efuse_shadow_update(struct ieee80211_hw *hw)
efuse_power_switch(hw, true, false);
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
(void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, ("<---\n"));
@ -479,13 +479,12 @@ void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
if (rtlefuse->autoload_failflag == true) {
memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128,
0xFF);
memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF, 128);
} else
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
(void *)&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
}
@ -694,8 +693,8 @@ static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
if (offset > 15)
return false;
memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff);
memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
while (bcontinual && (efuse_addr < EFUSE_MAX_SIZE)) {
if (readstate & PG_STATE_HEADER) {
@ -862,7 +861,7 @@ static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
memset((void *)originaldata, 8 * sizeof(u8), 0xff);
memset(originaldata, 0xff, 8 * sizeof(u8));
if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
badworden = efuse_word_enable_data_write(hw,
@ -917,7 +916,7 @@ static int efuse_pg_packet_write(struct ieee80211_hw *hw,
target_pkt.offset = offset;
target_pkt.word_en = word_en;
memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF);
memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
efuse_word_enable_data_read(word_en, data, target_pkt.data);
target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
@ -1022,7 +1021,7 @@ static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
u8 badworden = 0x0F;
u8 tmpdata[8];
memset((void *)tmpdata, PGPKT_DATA_SIZE, 0xff);
memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
("word_en = %x efuse_addr=%x\n", word_en, efuse_addr));

1
drivers/net/wireless/zd1211rw/zd_usb.c
View file

@ -60,6 +60,7 @@ static struct usb_device_id usb_ids[] = {
{ USB_DEVICE(0x157e, 0x300a), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x157e, 0x300b), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x157e, 0x3204), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x157e, 0x3207), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x1740, 0x2000), .driver_info = DEVICE_ZD1211 },
{ USB_DEVICE(0x6891, 0xa727), .driver_info = DEVICE_ZD1211 },
/* ZD1211B */

1
include/linux/davinci_emac.h
View file

@ -36,6 +36,7 @@ struct emac_platform_data {
u8 rmii_en;
u8 version;
bool no_bd_ram;
void (*interrupt_enable) (void);
void (*interrupt_disable) (void);
};

3
include/linux/ethtool.h
View file

@ -648,6 +648,9 @@ enum ethtool_sfeatures_retval_bits {
#include <linux/rculist.h>
/* needed by dev_disable_lro() */
extern int __ethtool_set_flags(struct net_device *dev, u32 flags);
struct ethtool_rx_ntuple_flow_spec_container {
struct ethtool_rx_ntuple_flow_spec fs;
struct list_head list;

51
include/linux/mlx4/device.h
View file

@ -39,6 +39,11 @@
#include <asm/atomic.h>
#define MAX_MSIX_P_PORT 17
#define MAX_MSIX 64
#define MSIX_LEGACY_SZ 4
#define MIN_MSIX_P_PORT 5
enum {
MLX4_FLAG_MSI_X = 1 << 0,
MLX4_FLAG_OLD_PORT_CMDS = 1 << 1,
@ -145,8 +150,10 @@ enum {
};
enum mlx4_protocol {
MLX4_PROTOCOL_IB,
MLX4_PROTOCOL_EN,
MLX4_PROT_IB_IPV6 = 0,
MLX4_PROT_ETH,
MLX4_PROT_IB_IPV4,
MLX4_PROT_FCOE
};
enum {
@ -173,6 +180,12 @@ enum mlx4_special_vlan_idx {
MLX4_VLAN_REGULAR
};
enum mlx4_steer_type {
MLX4_MC_STEER = 0,
MLX4_UC_STEER,
MLX4_NUM_STEERS
};
enum {
MLX4_NUM_FEXCH = 64 * 1024,
};
@ -223,6 +236,7 @@ struct mlx4_caps {
int num_eqs;
int reserved_eqs;
int num_comp_vectors;
int comp_pool;
int num_mpts;
int num_mtt_segs;
int mtts_per_seg;
@ -245,6 +259,9 @@ struct mlx4_caps {
u16 stat_rate_support;
int udp_rss;
int loopback_support;
int vep_uc_steering;
int vep_mc_steering;
int wol;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
int max_gso_sz;
int reserved_qps_cnt[MLX4_NUM_QP_REGION];
@ -334,6 +351,17 @@ struct mlx4_fmr {
struct mlx4_uar {
unsigned long pfn;
int index;
struct list_head bf_list;
unsigned free_bf_bmap;
void __iomem *map;
void __iomem *bf_map;
};
struct mlx4_bf {
unsigned long offset;
int buf_size;
struct mlx4_uar *uar;
void __iomem *reg;
};
struct mlx4_cq {
@ -415,7 +443,7 @@ struct mlx4_dev {
unsigned long flags;
struct mlx4_caps caps;
struct radix_tree_root qp_table_tree;
u32 rev_id;
u8 rev_id;
char board_id[MLX4_BOARD_ID_LEN];
};
@ -461,6 +489,8 @@ void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn);
int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar);
void mlx4_uar_free(struct mlx4_dev *dev, struct mlx4_uar *uar);
int mlx4_bf_alloc(struct mlx4_dev *dev, struct mlx4_bf *bf);
void mlx4_bf_free(struct mlx4_dev *dev, struct mlx4_bf *bf);
int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift,
struct mlx4_mtt *mtt);
@ -508,9 +538,15 @@ int mlx4_multicast_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
int block_mcast_loopback, enum mlx4_protocol protocol);
int mlx4_multicast_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
enum mlx4_protocol protocol);
int mlx4_multicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_multicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int index);
int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn, u8 wrap);
void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn);
int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac, u8 wrap);
int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx);
int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index);
@ -526,5 +562,10 @@ void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
int mlx4_fmr_free(struct mlx4_dev *dev, struct mlx4_fmr *fmr);
int mlx4_SYNC_TPT(struct mlx4_dev *dev);
int mlx4_test_interrupts(struct mlx4_dev *dev);
int mlx4_assign_eq(struct mlx4_dev *dev, char* name , int* vector);
void mlx4_release_eq(struct mlx4_dev *dev, int vec);
int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port);
int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port);
#endif /* MLX4_DEVICE_H */

1
include/linux/mlx4/qp.h
View file

@ -303,6 +303,7 @@ struct mlx4_wqe_data_seg {
enum {
MLX4_INLINE_ALIGN = 64,
MLX4_INLINE_SEG = 1 << 31,
};
struct mlx4_wqe_inline_seg {

3
include/net/cfg80211.h
View file

@ -486,7 +486,8 @@ struct rate_info {
* @plink_state: mesh peer link state
* @signal: signal strength of last received packet in dBm
* @signal_avg: signal strength average in dBm
* @txrate: current unicast bitrate to this station
* @txrate: current unicast bitrate from this station
* @rxrate: current unicast bitrate to this station
* @rx_packets: packets received from this station
* @tx_packets: packets transmitted to this station
* @tx_retries: cumulative retry counts

2
include/net/ip6_route.h
View file

@ -70,7 +70,7 @@ static inline struct inet_peer *rt6_get_peer(struct rt6_info *rt)
extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct net *net,
struct sock *sk,
const struct sock *sk,
struct flowi6 *fl6);
extern int ip6_route_init(void);

18
include/net/ip_fib.h
View file

@ -51,7 +51,6 @@ struct fib_nh {
struct fib_info *nh_parent;
unsigned nh_flags;
unsigned char nh_scope;
unsigned char nh_cfg_scope;
#ifdef CONFIG_IP_ROUTE_MULTIPATH
int nh_weight;
int nh_power;
@ -62,6 +61,7 @@ struct fib_nh {
int nh_oif;
__be32 nh_gw;
__be32 nh_saddr;
int nh_saddr_genid;
};
/*
@ -74,9 +74,10 @@ struct fib_info {
struct net *fib_net;
int fib_treeref;
atomic_t fib_clntref;
int fib_dead;
unsigned fib_flags;
int fib_protocol;
unsigned char fib_dead;
unsigned char fib_protocol;
unsigned char fib_scope;
__be32 fib_prefsrc;
u32 fib_priority;
u32 *fib_metrics;
@ -141,12 +142,19 @@ struct fib_result_nl {
#endif /* CONFIG_IP_ROUTE_MULTIPATH */
#define FIB_RES_SADDR(res) (FIB_RES_NH(res).nh_saddr)
extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
#define FIB_RES_SADDR(net, res) \
((FIB_RES_NH(res).nh_saddr_genid == \
atomic_read(&(net)->ipv4.dev_addr_genid)) ? \
FIB_RES_NH(res).nh_saddr : \
fib_info_update_nh_saddr((net), &FIB_RES_NH(res)))
#define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw)
#define FIB_RES_DEV(res) (FIB_RES_NH(res).nh_dev)
#define FIB_RES_OIF(res) (FIB_RES_NH(res).nh_oif)
#define FIB_RES_PREFSRC(res) ((res).fi->fib_prefsrc ? : FIB_RES_SADDR(res))
#define FIB_RES_PREFSRC(net, res) ((res).fi->fib_prefsrc ? : \
FIB_RES_SADDR(net, res))
struct fib_table {
struct hlist_node tb_hlist;

2
include/net/mac80211.h
View file

@ -1160,7 +1160,7 @@ enum ieee80211_hw_flags {
* @napi_weight: weight used for NAPI polling. You must specify an
* appropriate value here if a napi_poll operation is provided
* by your driver.
*
* @max_rx_aggregation_subframes: maximum buffer size (number of
* sub-frames) to be used for A-MPDU block ack receiver
* aggregation.

1
include/net/netns/ipv4.h
View file

@ -55,6 +55,7 @@ struct netns_ipv4 {
int current_rt_cache_rebuild_count;
atomic_t rt_genid;
atomic_t dev_addr_genid;
#ifdef CONFIG_IP_MROUTE
#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES

5
include/net/route.h
View file

@ -207,6 +207,7 @@ extern int ip_rt_dump(struct sk_buff *skb, struct netlink_callback *cb);
struct in_ifaddr;
extern void fib_add_ifaddr(struct in_ifaddr *);
extern void fib_del_ifaddr(struct in_ifaddr *, struct in_ifaddr *);
static inline void ip_rt_put(struct rtable * rt)
{
@ -269,8 +270,8 @@ static inline struct rtable *ip_route_newports(struct rtable *rt,
struct flowi4 fl4 = {
.flowi4_oif = rt->rt_oif,
.flowi4_mark = rt->rt_mark,
.daddr = rt->rt_key_dst,
.saddr = rt->rt_key_src,
.daddr = rt->rt_dst,
.saddr = rt->rt_src,
.flowi4_tos = rt->rt_tos,
.flowi4_proto = protocol,
.fl4_sport = sport,

8
include/net/sch_generic.h
View file

@ -25,6 +25,7 @@ struct qdisc_rate_table {
enum qdisc_state_t {
__QDISC_STATE_SCHED,
__QDISC_STATE_DEACTIVATED,
__QDISC_STATE_THROTTLED,
};
/*
@ -32,7 +33,6 @@ enum qdisc_state_t {
*/
enum qdisc___state_t {
__QDISC___STATE_RUNNING = 1,
__QDISC___STATE_THROTTLED = 2,
};
struct qdisc_size_table {
@ -106,17 +106,17 @@ static inline void qdisc_run_end(struct Qdisc *qdisc)
static inline bool qdisc_is_throttled(const struct Qdisc *qdisc)
{
return (qdisc->__state & __QDISC___STATE_THROTTLED) ? true : false;
return test_bit(__QDISC_STATE_THROTTLED, &qdisc->state) ? true : false;
}
static inline void qdisc_throttled(struct Qdisc *qdisc)
{
qdisc->__state |= __QDISC___STATE_THROTTLED;
set_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
}
static inline void qdisc_unthrottled(struct Qdisc *qdisc)
{
qdisc->__state &= ~__QDISC___STATE_THROTTLED;
clear_bit(__QDISC_STATE_THROTTLED, &qdisc->state);
}
struct Qdisc_class_ops {

2
net/bridge/br_multicast.c
View file

@ -445,9 +445,9 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
ip6h->payload_len = htons(8 + sizeof(*mldq));
ip6h->nexthdr = IPPROTO_HOPOPTS;
ip6h->hop_limit = 1;
ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
&ip6h->saddr);
ipv6_addr_set(&ip6h->daddr, htonl(0xff020000), 0, 0, htonl(1));
ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
hopopt = (u8 *)(ip6h + 1);

19
net/core/dev.c
View file

@ -1353,14 +1353,17 @@ EXPORT_SYMBOL(dev_close);
*/
void dev_disable_lro(struct net_device *dev)
{
if (dev->ethtool_ops && dev->ethtool_ops->get_flags &&
dev->ethtool_ops->set_flags) {
u32 flags = dev->ethtool_ops->get_flags(dev);
if (flags & ETH_FLAG_LRO) {
flags &= ~ETH_FLAG_LRO;
dev->ethtool_ops->set_flags(dev, flags);
}
}
u32 flags;
if (dev->ethtool_ops && dev->ethtool_ops->get_flags)
flags = dev->ethtool_ops->get_flags(dev);
else
flags = ethtool_op_get_flags(dev);
if (!(flags & ETH_FLAG_LRO))
return;
__ethtool_set_flags(dev, flags & ~ETH_FLAG_LRO);
WARN_ON(dev->features & NETIF_F_LRO);
}
EXPORT_SYMBOL(dev_disable_lro);

2
net/core/ethtool.c
View file

@ -513,7 +513,7 @@ static int ethtool_set_one_feature(struct net_device *dev,
}
}
static int __ethtool_set_flags(struct net_device *dev, u32 data)
int __ethtool_set_flags(struct net_device *dev, u32 data)
{
u32 changed;

30
net/ipv4/devinet.c
View file

@ -64,6 +64,8 @@
#include <net/rtnetlink.h>
#include <net/net_namespace.h>
#include "fib_lookup.h"
static struct ipv4_devconf ipv4_devconf = {
.data = {
[IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1,
@ -151,6 +153,20 @@ struct net_device *__ip_dev_find(struct net *net, __be32 addr, bool devref)
break;
}
}
if (!result) {
struct flowi4 fl4 = { .daddr = addr };
struct fib_result res = { 0 };
struct fib_table *local;
/* Fallback to FIB local table so that communication
* over loopback subnets work.
*/
local = fib_get_table(net, RT_TABLE_LOCAL);
if (local &&
!fib_table_lookup(local, &fl4, &res, FIB_LOOKUP_NOREF) &&
res.type == RTN_LOCAL)
result = FIB_RES_DEV(res);
}
if (result && devref)
dev_hold(result);
rcu_read_unlock();
@ -345,6 +361,17 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
}
}
/* On promotion all secondaries from subnet are changing
* the primary IP, we must remove all their routes silently
* and later to add them back with new prefsrc. Do this
* while all addresses are on the device list.
*/
for (ifa = promote; ifa; ifa = ifa->ifa_next) {
if (ifa1->ifa_mask == ifa->ifa_mask &&
inet_ifa_match(ifa1->ifa_address, ifa))
fib_del_ifaddr(ifa, ifa1);
}
/* 2. Unlink it */
*ifap = ifa1->ifa_next;
@ -364,6 +391,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
blocking_notifier_call_chain(&inetaddr_chain, NETDEV_DOWN, ifa1);
if (promote) {
struct in_ifaddr *next_sec = promote->ifa_next;
if (prev_prom) {
prev_prom->ifa_next = promote->ifa_next;
@ -375,7 +403,7 @@ static void __inet_del_ifa(struct in_device *in_dev, struct in_ifaddr **ifap,
rtmsg_ifa(RTM_NEWADDR, promote, nlh, pid);
blocking_notifier_call_chain(&inetaddr_chain,
NETDEV_UP, promote);
for (ifa = promote->ifa_next; ifa; ifa = ifa->ifa_next) {
for (ifa = next_sec; ifa; ifa = ifa->ifa_next) {
if (ifa1->ifa_mask != ifa->ifa_mask ||
!inet_ifa_match(ifa1->ifa_address, ifa))
continue;

112
net/ipv4/fib_frontend.c
View file

@ -228,7 +228,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
if (res.type != RTN_LOCAL || !accept_local)
goto e_inval;
}
*spec_dst = FIB_RES_PREFSRC(res);
*spec_dst = FIB_RES_PREFSRC(net, res);
fib_combine_itag(itag, &res);
dev_match = false;
@ -258,7 +258,7 @@ int fib_validate_source(__be32 src, __be32 dst, u8 tos, int oif,
ret = 0;
if (fib_lookup(net, &fl4, &res) == 0) {
if (res.type == RTN_UNICAST) {
*spec_dst = FIB_RES_PREFSRC(res);
*spec_dst = FIB_RES_PREFSRC(net, res);
ret = FIB_RES_NH(res).nh_scope >= RT_SCOPE_HOST;
}
}
@ -722,12 +722,17 @@ void fib_add_ifaddr(struct in_ifaddr *ifa)
}
}
static void fib_del_ifaddr(struct in_ifaddr *ifa)
/* Delete primary or secondary address.
* Optionally, on secondary address promotion consider the addresses
* from subnet iprim as deleted, even if they are in device list.
* In this case the secondary ifa can be in device list.
*/
void fib_del_ifaddr(struct in_ifaddr *ifa, struct in_ifaddr *iprim)
{
struct in_device *in_dev = ifa->ifa_dev;
struct net_device *dev = in_dev->dev;
struct in_ifaddr *ifa1;
struct in_ifaddr *prim = ifa;
struct in_ifaddr *prim = ifa, *prim1 = NULL;
__be32 brd = ifa->ifa_address | ~ifa->ifa_mask;
__be32 any = ifa->ifa_address & ifa->ifa_mask;
#define LOCAL_OK 1
@ -735,17 +740,26 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
#define BRD0_OK 4
#define BRD1_OK 8
unsigned ok = 0;
int subnet = 0; /* Primary network */
int gone = 1; /* Address is missing */
int same_prefsrc = 0; /* Another primary with same IP */
if (!(ifa->ifa_flags & IFA_F_SECONDARY))
fib_magic(RTM_DELROUTE,
dev->flags & IFF_LOOPBACK ? RTN_LOCAL : RTN_UNICAST,
any, ifa->ifa_prefixlen, prim);
else {
if (ifa->ifa_flags & IFA_F_SECONDARY) {
prim = inet_ifa_byprefix(in_dev, any, ifa->ifa_mask);
if (prim == NULL) {
printk(KERN_WARNING "fib_del_ifaddr: bug: prim == NULL\n");
return;
}
if (iprim && iprim != prim) {
printk(KERN_WARNING "fib_del_ifaddr: bug: iprim != prim\n");
return;
}
} else if (!ipv4_is_zeronet(any) &&
(any != ifa->ifa_local || ifa->ifa_prefixlen < 32)) {
fib_magic(RTM_DELROUTE,
dev->flags & IFF_LOOPBACK ? RTN_LOCAL : RTN_UNICAST,
any, ifa->ifa_prefixlen, prim);
subnet = 1;
}
/* Deletion is more complicated than add.
@ -755,6 +769,49 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
*/
for (ifa1 = in_dev->ifa_list; ifa1; ifa1 = ifa1->ifa_next) {
if (ifa1 == ifa) {
/* promotion, keep the IP */
gone = 0;
continue;
}
/* Ignore IFAs from our subnet */
if (iprim && ifa1->ifa_mask == iprim->ifa_mask &&
inet_ifa_match(ifa1->ifa_address, iprim))
continue;
/* Ignore ifa1 if it uses different primary IP (prefsrc) */
if (ifa1->ifa_flags & IFA_F_SECONDARY) {
/* Another address from our subnet? */
if (ifa1->ifa_mask == prim->ifa_mask &&
inet_ifa_match(ifa1->ifa_address, prim))
prim1 = prim;
else {
/* We reached the secondaries, so
* same_prefsrc should be determined.
*/
if (!same_prefsrc)
continue;
/* Search new prim1 if ifa1 is not
* using the current prim1
*/
if (!prim1 ||
ifa1->ifa_mask != prim1->ifa_mask ||
!inet_ifa_match(ifa1->ifa_address, prim1))
prim1 = inet_ifa_byprefix(in_dev,
ifa1->ifa_address,
ifa1->ifa_mask);
if (!prim1)
continue;
if (prim1->ifa_local != prim->ifa_local)
continue;
}
} else {
if (prim->ifa_local != ifa1->ifa_local)
continue;
prim1 = ifa1;
if (prim != prim1)
same_prefsrc = 1;
}
if (ifa->ifa_local == ifa1->ifa_local)
ok |= LOCAL_OK;
if (ifa->ifa_broadcast == ifa1->ifa_broadcast)
@ -763,19 +820,37 @@ static void fib_del_ifaddr(struct in_ifaddr *ifa)
ok |= BRD1_OK;
if (any == ifa1->ifa_broadcast)
ok |= BRD0_OK;
/* primary has network specific broadcasts */
if (prim1 == ifa1 && ifa1->ifa_prefixlen < 31) {
__be32 brd1 = ifa1->ifa_address | ~ifa1->ifa_mask;
__be32 any1 = ifa1->ifa_address & ifa1->ifa_mask;
if (!ipv4_is_zeronet(any1)) {
if (ifa->ifa_broadcast == brd1 ||
ifa->ifa_broadcast == any1)
ok |= BRD_OK;
if (brd == brd1 || brd == any1)
ok |= BRD1_OK;
if (any == brd1 || any == any1)
ok |= BRD0_OK;
}
}
}
if (!(ok & BRD_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, ifa->ifa_broadcast, 32, prim);
if (!(ok & BRD1_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, brd, 32, prim);
if (!(ok & BRD0_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, any, 32, prim);
if (subnet && ifa->ifa_prefixlen < 31) {
if (!(ok & BRD1_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, brd, 32, prim);
if (!(ok & BRD0_OK))
fib_magic(RTM_DELROUTE, RTN_BROADCAST, any, 32, prim);
}
if (!(ok & LOCAL_OK)) {
fib_magic(RTM_DELROUTE, RTN_LOCAL, ifa->ifa_local, 32, prim);
/* Check, that this local address finally disappeared. */
if (inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
if (gone &&
inet_addr_type(dev_net(dev), ifa->ifa_local) != RTN_LOCAL) {
/* And the last, but not the least thing.
* We must flush stray FIB entries.
*
@ -885,6 +960,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
{
struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
struct net_device *dev = ifa->ifa_dev->dev;
struct net *net = dev_net(dev);
switch (event) {
case NETDEV_UP:
@ -892,12 +968,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
#ifdef CONFIG_IP_ROUTE_MULTIPATH
fib_sync_up(dev);
#endif
fib_update_nh_saddrs(dev);
atomic_inc(&net->ipv4.dev_addr_genid);
rt_cache_flush(dev_net(dev), -1);
break;
case NETDEV_DOWN:
fib_del_ifaddr(ifa);
fib_update_nh_saddrs(dev);
fib_del_ifaddr(ifa, NULL);
atomic_inc(&net->ipv4.dev_addr_genid);
if (ifa->ifa_dev->ifa_list == NULL) {
/* Last address was deleted from this interface.
* Disable IP.
@ -915,6 +991,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
{
struct net_device *dev = ptr;
struct in_device *in_dev = __in_dev_get_rtnl(dev);
struct net *net = dev_net(dev);
if (event == NETDEV_UNREGISTER) {
fib_disable_ip(dev, 2, -1);
@ -932,6 +1009,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
#ifdef CONFIG_IP_ROUTE_MULTIPATH
fib_sync_up(dev);
#endif
atomic_inc(&net->ipv4.dev_addr_genid);
rt_cache_flush(dev_net(dev), -1);
break;
case NETDEV_DOWN:

3
net/ipv4/fib_lookup.h
View file

@ -10,7 +10,6 @@ struct fib_alias {
struct fib_info *fa_info;
u8 fa_tos;
u8 fa_type;
u8 fa_scope;
u8 fa_state;
struct rcu_head rcu;
};
@ -29,7 +28,7 @@ extern void fib_release_info(struct fib_info *);
extern struct fib_info *fib_create_info(struct fib_config *cfg);
extern int fib_nh_match(struct fib_config *cfg, struct fib_info *fi);
extern int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
u32 tb_id, u8 type, u8 scope, __be32 dst,
u32 tb_id, u8 type, __be32 dst,
int dst_len, u8 tos, struct fib_info *fi,
unsigned int);
extern void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,

47
net/ipv4/fib_semantics.c
View file

@ -222,7 +222,7 @@ static inline unsigned int fib_info_hashfn(const struct fib_info *fi)
unsigned int mask = (fib_info_hash_size - 1);
unsigned int val = fi->fib_nhs;
val ^= fi->fib_protocol;
val ^= (fi->fib_protocol << 8) | fi->fib_scope;
val ^= (__force u32)fi->fib_prefsrc;
val ^= fi->fib_priority;
for_nexthops(fi) {
@ -248,10 +248,11 @@ static struct fib_info *fib_find_info(const struct fib_info *nfi)
if (fi->fib_nhs != nfi->fib_nhs)
continue;
if (nfi->fib_protocol == fi->fib_protocol &&
nfi->fib_scope == fi->fib_scope &&
nfi->fib_prefsrc == fi->fib_prefsrc &&
nfi->fib_priority == fi->fib_priority &&
memcmp(nfi->fib_metrics, fi->fib_metrics,
sizeof(fi->fib_metrics)) == 0 &&
sizeof(u32) * RTAX_MAX) == 0 &&
((nfi->fib_flags ^ fi->fib_flags) & ~RTNH_F_DEAD) == 0 &&
(nfi->fib_nhs == 0 || nh_comp(fi, nfi) == 0))
return fi;
@ -328,7 +329,7 @@ void rtmsg_fib(int event, __be32 key, struct fib_alias *fa,
goto errout;
err = fib_dump_info(skb, info->pid, seq, event, tb_id,
fa->fa_type, fa->fa_scope, key, dst_len,
fa->fa_type, key, dst_len,
fa->fa_tos, fa->fa_info, nlm_flags);
if (err < 0) {
/* -EMSGSIZE implies BUG in fib_nlmsg_size() */
@ -695,6 +696,16 @@ static void fib_info_hash_move(struct hlist_head *new_info_hash,
fib_info_hash_free(old_laddrhash, bytes);
}
__be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh)
{
nh->nh_saddr = inet_select_addr(nh->nh_dev,
nh->nh_gw,
nh->nh_parent->fib_scope);
nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid);
return nh->nh_saddr;
}
struct fib_info *fib_create_info(struct fib_config *cfg)
{
int err;
@ -753,6 +764,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
fi->fib_net = hold_net(net);
fi->fib_protocol = cfg->fc_protocol;
fi->fib_scope = cfg->fc_scope;
fi->fib_flags = cfg->fc_flags;
fi->fib_priority = cfg->fc_priority;
fi->fib_prefsrc = cfg->fc_prefsrc;
@ -854,10 +866,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
}
change_nexthops(fi) {
nexthop_nh->nh_cfg_scope = cfg->fc_scope;
nexthop_nh->nh_saddr = inet_select_addr(nexthop_nh->nh_dev,
nexthop_nh->nh_gw,
nexthop_nh->nh_cfg_scope);
fib_info_update_nh_saddr(net, nexthop_nh);
} endfor_nexthops(fi)
link_it:
@ -906,7 +915,7 @@ failure:
}
int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
u32 tb_id, u8 type, u8 scope, __be32 dst, int dst_len, u8 tos,
u32 tb_id, u8 type, __be32 dst, int dst_len, u8 tos,
struct fib_info *fi, unsigned int flags)
{
struct nlmsghdr *nlh;
@ -928,7 +937,7 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
NLA_PUT_U32(skb, RTA_TABLE, tb_id);
rtm->rtm_type = type;
rtm->rtm_flags = fi->fib_flags;
rtm->rtm_scope = scope;
rtm->rtm_scope = fi->fib_scope;
rtm->rtm_protocol = fi->fib_protocol;
if (rtm->rtm_dst_len)
@ -1084,7 +1093,7 @@ void fib_select_default(struct fib_result *res)
list_for_each_entry_rcu(fa, fa_head, fa_list) {
struct fib_info *next_fi = fa->fa_info;
if (fa->fa_scope != res->scope ||
if (next_fi->fib_scope != res->scope ||
fa->fa_type != RTN_UNICAST)
continue;
@ -1128,24 +1137,6 @@ out:
return;
}
void fib_update_nh_saddrs(struct net_device *dev)
{
struct hlist_head *head;
struct hlist_node *node;
struct fib_nh *nh;
unsigned int hash;
hash = fib_devindex_hashfn(dev->ifindex);
head = &fib_info_devhash[hash];
hlist_for_each_entry(nh, node, head, nh_hash) {
if (nh->nh_dev != dev)
continue;
nh->nh_saddr = inet_select_addr(nh->nh_dev,
nh->nh_gw,
nh->nh_cfg_scope);
}
}
#ifdef CONFIG_IP_ROUTE_MULTIPATH
/*

14
net/ipv4/fib_trie.c
View file

@ -1245,7 +1245,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
if (fa->fa_info->fib_priority != fi->fib_priority)
break;
if (fa->fa_type == cfg->fc_type &&
fa->fa_scope == cfg->fc_scope &&
fa->fa_info == fi) {
fa_match = fa;
break;
@ -1271,7 +1270,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
new_fa->fa_tos = fa->fa_tos;
new_fa->fa_info = fi;
new_fa->fa_type = cfg->fc_type;
new_fa->fa_scope = cfg->fc_scope;
state = fa->fa_state;
new_fa->fa_state = state & ~FA_S_ACCESSED;
@ -1308,7 +1306,6 @@ int fib_table_insert(struct fib_table *tb, struct fib_config *cfg)
new_fa->fa_info = fi;
new_fa->fa_tos = tos;
new_fa->fa_type = cfg->fc_type;
new_fa->fa_scope = cfg->fc_scope;
new_fa->fa_state = 0;
/*
* Insert new entry to the list.
@ -1362,7 +1359,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
if (fa->fa_tos && fa->fa_tos != flp->flowi4_tos)
continue;
if (fa->fa_scope < flp->flowi4_scope)
if (fa->fa_info->fib_scope < flp->flowi4_scope)
continue;
fib_alias_accessed(fa);
err = fib_props[fa->fa_type].error;
@ -1388,7 +1385,7 @@ static int check_leaf(struct fib_table *tb, struct trie *t, struct leaf *l,
res->prefixlen = plen;
res->nh_sel = nhsel;
res->type = fa->fa_type;
res->scope = fa->fa_scope;
res->scope = fa->fa_info->fib_scope;
res->fi = fi;
res->table = tb;
res->fa_head = &li->falh;
@ -1664,7 +1661,9 @@ int fib_table_delete(struct fib_table *tb, struct fib_config *cfg)
if ((!cfg->fc_type || fa->fa_type == cfg->fc_type) &&
(cfg->fc_scope == RT_SCOPE_NOWHERE ||
fa->fa_scope == cfg->fc_scope) &&
fa->fa_info->fib_scope == cfg->fc_scope) &&
(!cfg->fc_prefsrc ||
fi->fib_prefsrc == cfg->fc_prefsrc) &&
(!cfg->fc_protocol ||
fi->fib_protocol == cfg->fc_protocol) &&
fib_nh_match(cfg, fi) == 0) {
@ -1861,7 +1860,6 @@ static int fn_trie_dump_fa(t_key key, int plen, struct list_head *fah,
RTM_NEWROUTE,
tb->tb_id,
fa->fa_type,
fa->fa_scope,
xkey,
plen,
fa->fa_tos,
@ -2382,7 +2380,7 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v)
seq_indent(seq, iter->depth+1);
seq_printf(seq, " /%d %s %s", li->plen,
rtn_scope(buf1, sizeof(buf1),
fa->fa_scope),
fa->fa_info->fib_scope),
rtn_type(buf2, sizeof(buf2),
fa->fa_type));
if (fa->fa_tos)

8
net/ipv4/route.c
View file

@ -1593,8 +1593,6 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
rt->rt_peer_genid = rt_peer_genid();
}
check_peer_pmtu(dst, peer);
inet_putpeer(peer);
}
}
@ -1720,7 +1718,7 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
rcu_read_lock();
if (fib_lookup(dev_net(rt->dst.dev), &fl4, &res) == 0)
src = FIB_RES_PREFSRC(res);
src = FIB_RES_PREFSRC(dev_net(rt->dst.dev), res);
else
src = inet_select_addr(rt->dst.dev, rt->rt_gateway,
RT_SCOPE_UNIVERSE);
@ -2617,7 +2615,7 @@ static struct rtable *ip_route_output_slow(struct net *net,
fib_select_default(&res);
if (!fl4.saddr)
fl4.saddr = FIB_RES_PREFSRC(res);
fl4.saddr = FIB_RES_PREFSRC(net, res);
dev_out = FIB_RES_DEV(res);
fl4.flowi4_oif = dev_out->ifindex;
@ -3221,6 +3219,8 @@ static __net_init int rt_genid_init(struct net *net)
{
get_random_bytes(&net->ipv4.rt_genid,
sizeof(net->ipv4.rt_genid));
get_random_bytes(&net->ipv4.dev_addr_genid,
sizeof(net->ipv4.dev_addr_genid));
return 0;
}

22
net/ipv4/tcp_input.c
View file

@ -2659,7 +2659,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
#define DBGUNDO(x...) do { } while (0)
#endif
static void tcp_undo_cwr(struct sock *sk, const int undo)
static void tcp_undo_cwr(struct sock *sk, const bool undo_ssthresh)
{
struct tcp_sock *tp = tcp_sk(sk);
@ -2671,14 +2671,13 @@ static void tcp_undo_cwr(struct sock *sk, const int undo)
else
tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh << 1);
if (undo && tp->prior_ssthresh > tp->snd_ssthresh) {
if (undo_ssthresh && tp->prior_ssthresh > tp->snd_ssthresh) {
tp->snd_ssthresh = tp->prior_ssthresh;
TCP_ECN_withdraw_cwr(tp);
}
} else {
tp->snd_cwnd = max(tp->snd_cwnd, tp->snd_ssthresh);
}
tcp_moderate_cwnd(tp);
tp->snd_cwnd_stamp = tcp_time_stamp;
}
@ -2699,7 +2698,7 @@ static int tcp_try_undo_recovery(struct sock *sk)
* or our original transmission succeeded.
*/
DBGUNDO(sk, inet_csk(sk)->icsk_ca_state == TCP_CA_Loss ? "loss" : "retrans");
tcp_undo_cwr(sk, 1);
tcp_undo_cwr(sk, true);
if (inet_csk(sk)->icsk_ca_state == TCP_CA_Loss)
mib_idx = LINUX_MIB_TCPLOSSUNDO;
else
@ -2726,7 +2725,7 @@ static void tcp_try_undo_dsack(struct sock *sk)
if (tp->undo_marker && !tp->undo_retrans) {
DBGUNDO(sk, "D-SACK");
tcp_undo_cwr(sk, 1);
tcp_undo_cwr(sk, true);
tp->undo_marker = 0;
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDSACKUNDO);
}
@ -2779,7 +2778,7 @@ static int tcp_try_undo_partial(struct sock *sk, int acked)
tcp_update_reordering(sk, tcp_fackets_out(tp) + acked, 1);
DBGUNDO(sk, "Hoe");
tcp_undo_cwr(sk, 0);
tcp_undo_cwr(sk, false);
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPPARTIALUNDO);
/* So... Do not make Hoe's retransmit yet.
@ -2808,7 +2807,7 @@ static int tcp_try_undo_loss(struct sock *sk)
DBGUNDO(sk, "partial loss");
tp->lost_out = 0;
tcp_undo_cwr(sk, 1);
tcp_undo_cwr(sk, true);
NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPLOSSUNDO);
inet_csk(sk)->icsk_retransmits = 0;
tp->undo_marker = 0;
@ -2822,8 +2821,11 @@ static int tcp_try_undo_loss(struct sock *sk)
static inline void tcp_complete_cwr(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
tp->snd_cwnd = min(tp->snd_cwnd, tp->snd_ssthresh);
tp->snd_cwnd_stamp = tcp_time_stamp;
/* Do not moderate cwnd if it's already undone in cwr or recovery */
if (tp->undo_marker && tp->snd_cwnd > tp->snd_ssthresh) {
tp->snd_cwnd = tp->snd_ssthresh;
tp->snd_cwnd_stamp = tcp_time_stamp;
}
tcp_ca_event(sk, CA_EVENT_COMPLETE_CWR);
}
@ -3494,7 +3496,7 @@ static void tcp_undo_spur_to_response(struct sock *sk, int flag)
if (flag & FLAG_ECE)
tcp_ratehalving_spur_to_response(sk);
else
tcp_undo_cwr(sk, 1);
tcp_undo_cwr(sk, true);
}
/* F-RTO spurious RTO detection algorithm (RFC4138)

2
net/ipv6/route.c
View file

@ -854,7 +854,7 @@ static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table
return ip6_pol_route(net, table, fl6->flowi6_oif, fl6, flags);
}
struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
struct dst_entry * ip6_route_output(struct net *net, const struct sock *sk,
struct flowi6 *fl6)
{
int flags = 0;

1
net/mac80211/sta_info.c
View file

@ -243,6 +243,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
memcpy(sta->sta.addr, addr, ETH_ALEN);
sta->local = local;
sta->sdata = sdata;
sta->last_rx = jiffies;
ewma_init(&sta->avg_signal, 1024, 8);