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Changes for 4.2-rc 

- Mainly fix-ups for the various 4.2 items
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

Pull rdma fixes from Doug Ledford:
 "Mainly fix-ups for the various 4.2 items"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (24 commits)
  IB/core: Destroy ocrdma_dev_id IDR on module exit
  IB/core: Destroy multcast_idr on module exit
  IB/mlx4: Optimize do_slave_init
  IB/mlx4: Fix memory leak in do_slave_init
  IB/mlx4: Optimize freeing of items on error unwind
  IB/mlx4: Fix use of flow-counters for process_mad
  IB/ipath: Convert use of __constant_<foo> to <foo>
  IB/ipoib: Set MTU to max allowed by mode when mode changes
  IB/ipoib: Scatter-Gather support in connected mode
  IB/ucm: Fix bitmap wrap when devnum > IB_UCM_MAX_DEVICES
  IB/ipoib: Prevent lockdep warning in __ipoib_ib_dev_flush
  IB/ucma: Fix lockdep warning in ucma_lock_files
  rds: rds_ib_device.refcount overflow
  RDMA/nes: Fix for incorrect recording of the MAC address
  RDMA/nes: Fix for resolving the neigh
  RDMA/core: Fixes for port mapper client registration
  IB/IPoIB: Fix bad error flow in ipoib_add_port()
  IB/mlx4: Do not attemp to report HCA clock offset on VFs
  IB/cm: Do not queue work to a device that's going away
  IB/srp: Avoid using uninitialized variable
  ...
hifive-unleashed-5.1
Linus Torvalds 2015-07-15 17:03:03 -07:00
parent 16ff49a08b d8b2ba7c59
commit 9090fdb9c9
36 changed files with 351 additions and 269 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/core/agent.c
View File

@ -88,7 +88,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh *
struct ib_ah *ah;
struct ib_mad_send_wr_private *mad_send_wr;
if (device->node_type == RDMA_NODE_IB_SWITCH)
if (rdma_cap_ib_switch(device))
port_priv = ib_get_agent_port(device, 0);
else
port_priv = ib_get_agent_port(device, port_num);
@ -122,7 +122,7 @@ void agent_send_response(const struct ib_mad_hdr *mad_hdr, const struct ib_grh *
memcpy(send_buf->mad, mad_hdr, resp_mad_len);
send_buf->ah = ah;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
if (rdma_cap_ib_switch(device)) {
mad_send_wr = container_of(send_buf,
struct ib_mad_send_wr_private,
send_buf);

61
drivers/infiniband/core/cm.c
View File

@ -169,6 +169,7 @@ struct cm_device {
struct ib_device *ib_device;
struct device *device;
u8 ack_delay;
int going_down;
struct cm_port *port[0];
};
@ -805,6 +806,11 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv)
{
int wait_time;
unsigned long flags;
struct cm_device *cm_dev;
cm_dev = ib_get_client_data(cm_id_priv->id.device, &cm_client);
if (!cm_dev)
return;
spin_lock_irqsave(&cm.lock, flags);
cm_cleanup_timewait(cm_id_priv->timewait_info);
@ -818,8 +824,14 @@ static void cm_enter_timewait(struct cm_id_private *cm_id_priv)
*/
cm_id_priv->id.state = IB_CM_TIMEWAIT;
wait_time = cm_convert_to_ms(cm_id_priv->av.timeout);
queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work,
msecs_to_jiffies(wait_time));
/* Check if the device started its remove_one */
spin_lock_irq(&cm.lock);
if (!cm_dev->going_down)
queue_delayed_work(cm.wq, &cm_id_priv->timewait_info->work.work,
msecs_to_jiffies(wait_time));
spin_unlock_irq(&cm.lock);
cm_id_priv->timewait_info = NULL;
}
@ -3305,6 +3317,11 @@ static int cm_establish(struct ib_cm_id *cm_id)
struct cm_work *work;
unsigned long flags;
int ret = 0;
struct cm_device *cm_dev;
cm_dev = ib_get_client_data(cm_id->device, &cm_client);
if (!cm_dev)
return -ENODEV;
work = kmalloc(sizeof *work, GFP_ATOMIC);
if (!work)
@ -3343,7 +3360,17 @@ static int cm_establish(struct ib_cm_id *cm_id)
work->remote_id = cm_id->remote_id;
work->mad_recv_wc = NULL;
work->cm_event.event = IB_CM_USER_ESTABLISHED;
queue_delayed_work(cm.wq, &work->work, 0);
/* Check if the device started its remove_one */
spin_lock_irq(&cm.lock);
if (!cm_dev->going_down) {
queue_delayed_work(cm.wq, &work->work, 0);
} else {
kfree(work);
ret = -ENODEV;
}
spin_unlock_irq(&cm.lock);
out:
return ret;
}
@ -3394,6 +3421,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
enum ib_cm_event_type event;
u16 attr_id;
int paths = 0;
int going_down = 0;
switch (mad_recv_wc->recv_buf.mad->mad_hdr.attr_id) {
case CM_REQ_ATTR_ID:
@ -3452,7 +3480,19 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent,
work->cm_event.event = event;
work->mad_recv_wc = mad_recv_wc;
work->port = port;
queue_delayed_work(cm.wq, &work->work, 0);
/* Check if the device started its remove_one */
spin_lock_irq(&cm.lock);
if (!port->cm_dev->going_down)
queue_delayed_work(cm.wq, &work->work, 0);
else
going_down = 1;
spin_unlock_irq(&cm.lock);
if (going_down) {
kfree(work);
ib_free_recv_mad(mad_recv_wc);
}
}
static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv,
@ -3771,7 +3811,7 @@ static void cm_add_one(struct ib_device *ib_device)
cm_dev->ib_device = ib_device;
cm_get_ack_delay(cm_dev);
cm_dev->going_down = 0;
cm_dev->device = device_create(&cm_class, &ib_device->dev,
MKDEV(0, 0), NULL,
"%s", ib_device->name);
@ -3864,14 +3904,23 @@ static void cm_remove_one(struct ib_device *ib_device)
list_del(&cm_dev->list);
write_unlock_irqrestore(&cm.device_lock, flags);
spin_lock_irq(&cm.lock);
cm_dev->going_down = 1;
spin_unlock_irq(&cm.lock);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
if (!rdma_cap_ib_cm(ib_device, i))
continue;
port = cm_dev->port[i-1];
ib_modify_port(ib_device, port->port_num, 0, &port_modify);
ib_unregister_mad_agent(port->mad_agent);
/*
* We flush the queue here after the going_down set, this
* verify that no new works will be queued in the recv handler,
* after that we can call the unregister_mad_agent
*/
flush_workqueue(cm.wq);
ib_unregister_mad_agent(port->mad_agent);
cm_remove_port_fs(port);
}
device_unregister(cm_dev->device);

33
drivers/infiniband/core/iwpm_msg.c
View File

@ -67,7 +67,8 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client)
err_str = "Invalid port mapper client";
goto pid_query_error;
}
if (iwpm_registered_client(nl_client))
if (iwpm_check_registration(nl_client, IWPM_REG_VALID) ||
iwpm_user_pid == IWPM_PID_UNAVAILABLE)
return 0;
skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REG_PID, &nlh, nl_client);
if (!skb) {
@ -106,7 +107,6 @@ int iwpm_register_pid(struct iwpm_dev_data *pm_msg, u8 nl_client)
ret = ibnl_multicast(skb, nlh, RDMA_NL_GROUP_IWPM, GFP_KERNEL);
if (ret) {
skb = NULL; /* skb is freed in the netlink send-op handling */
iwpm_set_registered(nl_client, 1);
iwpm_user_pid = IWPM_PID_UNAVAILABLE;
err_str = "Unable to send a nlmsg";
goto pid_query_error;
@ -144,12 +144,12 @@ int iwpm_add_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client)
err_str = "Invalid port mapper client";
goto add_mapping_error;
}
if (!iwpm_registered_client(nl_client)) {
if (!iwpm_valid_pid())
return 0;
if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) {
err_str = "Unregistered port mapper client";
goto add_mapping_error;
}
if (!iwpm_valid_pid())
return 0;
skb = iwpm_create_nlmsg(RDMA_NL_IWPM_ADD_MAPPING, &nlh, nl_client);
if (!skb) {
err_str = "Unable to create a nlmsg";
@ -214,12 +214,12 @@ int iwpm_add_and_query_mapping(struct iwpm_sa_data *pm_msg, u8 nl_client)
err_str = "Invalid port mapper client";
goto query_mapping_error;
}
if (!iwpm_registered_client(nl_client)) {
if (!iwpm_valid_pid())
return 0;
if (!iwpm_check_registration(nl_client, IWPM_REG_VALID)) {
err_str = "Unregistered port mapper client";
goto query_mapping_error;
}
if (!iwpm_valid_pid())
return 0;
ret = -ENOMEM;
skb = iwpm_create_nlmsg(RDMA_NL_IWPM_QUERY_MAPPING, &nlh, nl_client);
if (!skb) {
@ -288,12 +288,12 @@ int iwpm_remove_mapping(struct sockaddr_storage *local_addr, u8 nl_client)
err_str = "Invalid port mapper client";
goto remove_mapping_error;
}
if (!iwpm_registered_client(nl_client)) {
if (!iwpm_valid_pid())
return 0;
if (iwpm_check_registration(nl_client, IWPM_REG_UNDEF)) {
err_str = "Unregistered port mapper client";
goto remove_mapping_error;
}
if (!iwpm_valid_pid())
return 0;
skb = iwpm_create_nlmsg(RDMA_NL_IWPM_REMOVE_MAPPING, &nlh, nl_client);
if (!skb) {
ret = -ENOMEM;
@ -388,7 +388,7 @@ int iwpm_register_pid_cb(struct sk_buff *skb, struct netlink_callback *cb)
pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n",
__func__, iwpm_user_pid);
if (iwpm_valid_client(nl_client))
iwpm_set_registered(nl_client, 1);
iwpm_set_registration(nl_client, IWPM_REG_VALID);
register_pid_response_exit:
nlmsg_request->request_done = 1;
/* always for found nlmsg_request */
@ -644,7 +644,6 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb)
{
struct nlattr *nltb[IWPM_NLA_MAPINFO_REQ_MAX];
const char *msg_type = "Mapping Info response";
int iwpm_pid;
u8 nl_client;
char *iwpm_name;
u16 iwpm_version;
@ -669,14 +668,14 @@ int iwpm_mapping_info_cb(struct sk_buff *skb, struct netlink_callback *cb)
__func__, nl_client);
return ret;
}
iwpm_set_registered(nl_client, 0);
iwpm_set_registration(nl_client, IWPM_REG_INCOMPL);
atomic_set(&echo_nlmsg_seq, cb->nlh->nlmsg_seq);
iwpm_user_pid = cb->nlh->nlmsg_pid;
if (!iwpm_mapinfo_available())
return 0;
iwpm_pid = cb->nlh->nlmsg_pid;
pr_debug("%s: iWarp Port Mapper (pid = %d) is available!\n",
__func__, iwpm_pid);
ret = iwpm_send_mapinfo(nl_client, iwpm_pid);
__func__, iwpm_user_pid);
ret = iwpm_send_mapinfo(nl_client, iwpm_user_pid);
return ret;
}
EXPORT_SYMBOL(iwpm_mapping_info_cb);

12
drivers/infiniband/core/iwpm_util.c
View File

@ -78,6 +78,7 @@ init_exit:
mutex_unlock(&iwpm_admin_lock);
if (!ret) {
iwpm_set_valid(nl_client, 1);
iwpm_set_registration(nl_client, IWPM_REG_UNDEF);
pr_debug("%s: Mapinfo and reminfo tables are created\n",
__func__);
}
@ -106,6 +107,7 @@ int iwpm_exit(u8 nl_client)
}
mutex_unlock(&iwpm_admin_lock);
iwpm_set_valid(nl_client, 0);
iwpm_set_registration(nl_client, IWPM_REG_UNDEF);
return 0;
}
EXPORT_SYMBOL(iwpm_exit);
@ -397,17 +399,23 @@ void iwpm_set_valid(u8 nl_client, int valid)
}
/* valid client */
int iwpm_registered_client(u8 nl_client)
u32 iwpm_get_registration(u8 nl_client)
{
return iwpm_admin.reg_list[nl_client];
}
/* valid client */
void iwpm_set_registered(u8 nl_client, int reg)
void iwpm_set_registration(u8 nl_client, u32 reg)
{
iwpm_admin.reg_list[nl_client] = reg;
}
/* valid client */
u32 iwpm_check_registration(u8 nl_client, u32 reg)
{
return (iwpm_get_registration(nl_client) & reg);
}
int iwpm_compare_sockaddr(struct sockaddr_storage *a_sockaddr,
struct sockaddr_storage *b_sockaddr)
{

28
drivers/infiniband/core/iwpm_util.h
View File

@ -58,6 +58,10 @@
#define IWPM_PID_UNDEFINED -1
#define IWPM_PID_UNAVAILABLE -2
#define IWPM_REG_UNDEF 0x01
#define IWPM_REG_VALID 0x02
#define IWPM_REG_INCOMPL 0x04
struct iwpm_nlmsg_request {
struct list_head inprocess_list;
__u32 nlmsg_seq;
@ -88,7 +92,7 @@ struct iwpm_admin_data {
atomic_t refcount;
atomic_t nlmsg_seq;
int client_list[RDMA_NL_NUM_CLIENTS];
int reg_list[RDMA_NL_NUM_CLIENTS];
u32 reg_list[RDMA_NL_NUM_CLIENTS];
};
/**
@ -159,19 +163,31 @@ int iwpm_valid_client(u8 nl_client);
void iwpm_set_valid(u8 nl_client, int valid);
/**
* iwpm_registered_client - Check if the port mapper client is registered
* iwpm_check_registration - Check if the client registration
* matches the given one
* @nl_client: The index of the netlink client
* @reg: The given registration type to compare with
*
* Call iwpm_register_pid() to register a client
* Returns true if the client registration matches reg,
* otherwise returns false
*/
int iwpm_registered_client(u8 nl_client);
u32 iwpm_check_registration(u8 nl_client, u32 reg);
/**
* iwpm_set_registered - Set the port mapper client to registered or not
* iwpm_set_registration - Set the client registration
* @nl_client: The index of the netlink client
* @reg: 1 if registered or 0 if not
* @reg: Registration type to set
*/
void iwpm_set_registered(u8 nl_client, int reg);
void iwpm_set_registration(u8 nl_client, u32 reg);
/**
* iwpm_get_registration
* @nl_client: The index of the netlink client
*
* Returns the client registration type
*/
u32 iwpm_get_registration(u8 nl_client);
/**
* iwpm_send_mapinfo - Send local and mapped IPv4/IPv6 address info of

47
drivers/infiniband/core/mad.c
View File

@ -769,7 +769,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
bool opa = rdma_cap_opa_mad(mad_agent_priv->qp_info->port_priv->device,
mad_agent_priv->qp_info->port_priv->port_num);
if (device->node_type == RDMA_NODE_IB_SWITCH &&
if (rdma_cap_ib_switch(device) &&
smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
port_num = send_wr->wr.ud.port_num;
else
@ -787,14 +787,15 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
if ((opa_get_smp_direction(opa_smp)
? opa_smp->route.dr.dr_dlid : opa_smp->route.dr.dr_slid) ==
OPA_LID_PERMISSIVE &&
opa_smi_handle_dr_smp_send(opa_smp, device->node_type,
opa_smi_handle_dr_smp_send(opa_smp,
rdma_cap_ib_switch(device),
port_num) == IB_SMI_DISCARD) {
ret = -EINVAL;
dev_err(&device->dev, "OPA Invalid directed route\n");
goto out;
}
opa_drslid = be32_to_cpu(opa_smp->route.dr.dr_slid);
if (opa_drslid != OPA_LID_PERMISSIVE &&
if (opa_drslid != be32_to_cpu(OPA_LID_PERMISSIVE) &&
opa_drslid & 0xffff0000) {
ret = -EINVAL;
dev_err(&device->dev, "OPA Invalid dr_slid 0x%x\n",
@ -810,7 +811,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
} else {
if ((ib_get_smp_direction(smp) ? smp->dr_dlid : smp->dr_slid) ==
IB_LID_PERMISSIVE &&
smi_handle_dr_smp_send(smp, device->node_type, port_num) ==
smi_handle_dr_smp_send(smp, rdma_cap_ib_switch(device), port_num) ==
IB_SMI_DISCARD) {
ret = -EINVAL;
dev_err(&device->dev, "Invalid directed route\n");
@ -2030,7 +2031,7 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv
struct ib_smp *smp = (struct ib_smp *)recv->mad;
if (smi_handle_dr_smp_recv(smp,
port_priv->device->node_type,
rdma_cap_ib_switch(port_priv->device),
port_num,
port_priv->device->phys_port_cnt) ==
IB_SMI_DISCARD)
@ -2042,13 +2043,13 @@ static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv
if (retsmi == IB_SMI_SEND) { /* don't forward */
if (smi_handle_dr_smp_send(smp,
port_priv->device->node_type,
rdma_cap_ib_switch(port_priv->device),
port_num) == IB_SMI_DISCARD)
return IB_SMI_DISCARD;
if (smi_check_local_smp(smp, port_priv->device) == IB_SMI_DISCARD)
return IB_SMI_DISCARD;
} else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) {
} else if (rdma_cap_ib_switch(port_priv->device)) {
/* forward case for switches */
memcpy(response, recv, mad_priv_size(response));
response->header.recv_wc.wc = &response->header.wc;
@ -2115,7 +2116,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv,
struct opa_smp *smp = (struct opa_smp *)recv->mad;
if (opa_smi_handle_dr_smp_recv(smp,
port_priv->device->node_type,
rdma_cap_ib_switch(port_priv->device),
port_num,
port_priv->device->phys_port_cnt) ==
IB_SMI_DISCARD)
@ -2127,7 +2128,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv,
if (retsmi == IB_SMI_SEND) { /* don't forward */
if (opa_smi_handle_dr_smp_send(smp,
port_priv->device->node_type,
rdma_cap_ib_switch(port_priv->device),
port_num) == IB_SMI_DISCARD)
return IB_SMI_DISCARD;
@ -2135,7 +2136,7 @@ handle_opa_smi(struct ib_mad_port_private *port_priv,
IB_SMI_DISCARD)
return IB_SMI_DISCARD;
} else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) {
} else if (rdma_cap_ib_switch(port_priv->device)) {
/* forward case for switches */
memcpy(response, recv, mad_priv_size(response));
response->header.recv_wc.wc = &response->header.wc;
@ -2235,7 +2236,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
goto out;
}
if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH)
if (rdma_cap_ib_switch(port_priv->device))
port_num = wc->port_num;
else
port_num = port_priv->port_num;
@ -3297,17 +3298,11 @@ static int ib_mad_port_close(struct ib_device *device, int port_num)
static void ib_mad_init_device(struct ib_device *device)
{
int start, end, i;
int start, i;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
} else {
start = 1;
end = device->phys_port_cnt;
}
start = rdma_start_port(device);
for (i = start; i <= end; i++) {
for (i = start; i <= rdma_end_port(device); i++) {
if (!rdma_cap_ib_mad(device, i))
continue;
@ -3342,17 +3337,9 @@ error:
static void ib_mad_remove_device(struct ib_device *device)
{
int start, end, i;
int i;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
} else {
start = 1;
end = device->phys_port_cnt;
}
for (i = start; i <= end; i++) {
for (i = rdma_start_port(device); i <= rdma_end_port(device); i++) {
if (!rdma_cap_ib_mad(device, i))
continue;

8
drivers/infiniband/core/multicast.c
View File

@ -812,12 +812,8 @@ static void mcast_add_one(struct ib_device *device)
if (!dev)
return;
if (device->node_type == RDMA_NODE_IB_SWITCH)
dev->start_port = dev->end_port = 0;
else {
dev->start_port = 1;
dev->end_port = device->phys_port_cnt;
}
dev->start_port = rdma_start_port(device);
dev->end_port = rdma_end_port(device);
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
if (!rdma_cap_ib_mcast(device, dev->start_port + i))

4
drivers/infiniband/core/opa_smi.h
View File

@ -39,12 +39,12 @@
#include "smi.h"
enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type,
enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch,
int port_num, int phys_port_cnt);
int opa_smi_get_fwd_port(struct opa_smp *smp);
extern enum smi_forward_action opa_smi_check_forward_dr_smp(struct opa_smp *smp);
extern enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp,
u8 node_type, int port_num);
bool is_switch, int port_num);
/*
* Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM

8
drivers/infiniband/core/sa_query.c
View File

@ -1156,12 +1156,8 @@ static void ib_sa_add_one(struct ib_device *device)
int s, e, i;
int count = 0;
if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
else {
s = 1;
e = device->phys_port_cnt;
}
s = rdma_start_port(device);
e = rdma_end_port(device);
sa_dev = kzalloc(sizeof *sa_dev +
(e - s + 1) * sizeof (struct ib_sa_port),

37
drivers/infiniband/core/smi.c
View File

@ -41,7 +41,7 @@
#include "smi.h"
#include "opa_smi.h"
static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
static enum smi_action __smi_handle_dr_smp_send(bool is_switch, int port_num,
u8 *hop_ptr, u8 hop_cnt,
const u8 *initial_path,
const u8 *return_path,
@ -64,7 +64,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
/* C14-9:2 */
if (*hop_ptr && *hop_ptr < hop_cnt) {
if (node_type != RDMA_NODE_IB_SWITCH)
if (!is_switch)
return IB_SMI_DISCARD;
/* return_path set when received */
@ -77,7 +77,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
if (*hop_ptr == hop_cnt) {
/* return_path set when received */
(*hop_ptr)++;
return (node_type == RDMA_NODE_IB_SWITCH ||
return (is_switch ||
dr_dlid_is_permissive ?
IB_SMI_HANDLE : IB_SMI_DISCARD);
}
@ -96,7 +96,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
/* C14-13:2 */
if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) {
if (node_type != RDMA_NODE_IB_SWITCH)
if (!is_switch)
return IB_SMI_DISCARD;
(*hop_ptr)--;
@ -108,7 +108,7 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
if (*hop_ptr == 1) {
(*hop_ptr)--;
/* C14-13:3 -- SMPs destined for SM shouldn't be here */
return (node_type == RDMA_NODE_IB_SWITCH ||
return (is_switch ||
dr_slid_is_permissive ?
IB_SMI_HANDLE : IB_SMI_DISCARD);
}
@ -127,9 +127,9 @@ static enum smi_action __smi_handle_dr_smp_send(u8 node_type, int port_num,
* Return IB_SMI_DISCARD if the SMP should be discarded
*/
enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
u8 node_type, int port_num)
bool is_switch, int port_num)
{
return __smi_handle_dr_smp_send(node_type, port_num,
return __smi_handle_dr_smp_send(is_switch, port_num,
&smp->hop_ptr, smp->hop_cnt,
smp->initial_path,
smp->return_path,
@ -139,9 +139,9 @@ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
}
enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp,
u8 node_type, int port_num)
bool is_switch, int port_num)
{
return __smi_handle_dr_smp_send(node_type, port_num,
return __smi_handle_dr_smp_send(is_switch, port_num,
&smp->hop_ptr, smp->hop_cnt,
smp->route.dr.initial_path,
smp->route.dr.return_path,
@ -152,7 +152,7 @@ enum smi_action opa_smi_handle_dr_smp_send(struct opa_smp *smp,
OPA_LID_PERMISSIVE);
}
static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
static enum smi_action __smi_handle_dr_smp_recv(bool is_switch, int port_num,
int phys_port_cnt,
u8 *hop_ptr, u8 hop_cnt,
const u8 *initial_path,
@ -173,7 +173,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
/* C14-9:2 -- intermediate hop */
if (*hop_ptr && *hop_ptr < hop_cnt) {
if (node_type != RDMA_NODE_IB_SWITCH)
if (!is_switch)
return IB_SMI_DISCARD;
return_path[*hop_ptr] = port_num;
@ -188,7 +188,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
return_path[*hop_ptr] = port_num;
/* hop_ptr updated when sending */
return (node_type == RDMA_NODE_IB_SWITCH ||
return (is_switch ||
dr_dlid_is_permissive ?
IB_SMI_HANDLE : IB_SMI_DISCARD);
}
@ -208,7 +208,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
/* C14-13:2 */
if (2 <= *hop_ptr && *hop_ptr <= hop_cnt) {
if (node_type != RDMA_NODE_IB_SWITCH)
if (!is_switch)
return IB_SMI_DISCARD;
/* hop_ptr updated when sending */
@ -224,8 +224,7 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
return IB_SMI_HANDLE;
}
/* hop_ptr updated when sending */
return (node_type == RDMA_NODE_IB_SWITCH ?
IB_SMI_HANDLE : IB_SMI_DISCARD);
return (is_switch ? IB_SMI_HANDLE : IB_SMI_DISCARD);
}
/* C14-13:4 -- hop_ptr = 0 -> give to SM */
@ -238,10 +237,10 @@ static enum smi_action __smi_handle_dr_smp_recv(u8 node_type, int port_num,
* Adjust information for a received SMP
* Return IB_SMI_DISCARD if the SMP should be dropped
*/
enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch,
int port_num, int phys_port_cnt)
{
return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt,
return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt,
&smp->hop_ptr, smp->hop_cnt,
smp->initial_path,
smp->return_path,
@ -254,10 +253,10 @@ enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
* Adjust information for a received SMP
* Return IB_SMI_DISCARD if the SMP should be dropped
*/
enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, u8 node_type,
enum smi_action opa_smi_handle_dr_smp_recv(struct opa_smp *smp, bool is_switch,
int port_num, int phys_port_cnt)
{
return __smi_handle_dr_smp_recv(node_type, port_num, phys_port_cnt,
return __smi_handle_dr_smp_recv(is_switch, port_num, phys_port_cnt,
&smp->hop_ptr, smp->hop_cnt,
smp->route.dr.initial_path,
smp->route.dr.return_path,

4
drivers/infiniband/core/smi.h
View File

@ -51,12 +51,12 @@ enum smi_forward_action {
IB_SMI_FORWARD /* SMP should be forwarded (for switches only) */
};
enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, bool is_switch,
int port_num, int phys_port_cnt);
int smi_get_fwd_port(struct ib_smp *smp);
extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp);
extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
u8 node_type, int port_num);
bool is_switch, int port_num);
/*
* Return IB_SMI_HANDLE if the SMP should be handled by the local SMA/SM

2
drivers/infiniband/core/sysfs.c
View File

@ -870,7 +870,7 @@ int ib_device_register_sysfs(struct ib_device *device,
goto err_put;
}
if (device->node_type == RDMA_NODE_IB_SWITCH) {
if (rdma_cap_ib_switch(device)) {
ret = add_port(device, 0, port_callback);
if (ret)
goto err_put;

4
drivers/infiniband/core/ucm.c
View File

@ -1193,6 +1193,7 @@ static int ib_ucm_close(struct inode *inode, struct file *filp)
return 0;
}
static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES);
static void ib_ucm_release_dev(struct device *dev)
{
struct ib_ucm_device *ucm_dev;
@ -1202,7 +1203,7 @@ static void ib_ucm_release_dev(struct device *dev)
if (ucm_dev->devnum < IB_UCM_MAX_DEVICES)
clear_bit(ucm_dev->devnum, dev_map);
else
clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, dev_map);
clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, overflow_map);
kfree(ucm_dev);
}
@ -1226,7 +1227,6 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr,
static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
static dev_t overflow_maj;
static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES);
static int find_overflow_devnum(void)
{
int ret;

5
drivers/infiniband/core/ucma.c
View File

@ -1354,10 +1354,10 @@ static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2)
/* Acquire mutex's based on pointer comparison to prevent deadlock. */
if (file1 < file2) {
mutex_lock(&file1->mut);
mutex_lock(&file2->mut);
mutex_lock_nested(&file2->mut, SINGLE_DEPTH_NESTING);
} else {
mutex_lock(&file2->mut);
mutex_lock(&file1->mut);
mutex_lock_nested(&file1->mut, SINGLE_DEPTH_NESTING);
}
}
@ -1616,6 +1616,7 @@ static void __exit ucma_cleanup(void)
device_remove_file(ucma_misc.this_device, &dev_attr_abi_version);
misc_deregister(&ucma_misc);
idr_destroy(&ctx_idr);
idr_destroy(&multicast_idr);
}
module_init(ucma_init);

5
drivers/infiniband/hw/ehca/ehca_sqp.c
View File

@ -226,8 +226,9 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc)
return IB_MAD_RESULT_FAILURE;

5
drivers/infiniband/hw/ipath/ipath_mad.c
View File

@ -1499,8 +1499,9 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:

4
drivers/infiniband/hw/ipath/ipath_verbs.c
View File

@ -2044,9 +2044,9 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
spin_lock_init(&idev->qp_table.lock);
spin_lock_init(&idev->lk_table.lock);
idev->sm_lid = __constant_be16_to_cpu(IB_LID_PERMISSIVE);
idev->sm_lid = be16_to_cpu(IB_LID_PERMISSIVE);
/* Set the prefix to the default value (see ch. 4.1.1) */
idev->gid_prefix = __constant_cpu_to_be64(0xfe80000000000000ULL);
idev->gid_prefix = cpu_to_be64(0xfe80000000000000ULL);
ret = ipath_init_qp_table(idev, ib_ipath_qp_table_size);
if (ret)

34
drivers/infiniband/hw/mlx4/mad.c
View File

@ -860,21 +860,31 @@ int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
struct mlx4_ib_dev *dev = to_mdev(ibdev);
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
enum rdma_link_layer link = rdma_port_get_link_layer(ibdev, port_num);
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (rdma_port_get_link_layer(ibdev, port_num)) {
case IB_LINK_LAYER_INFINIBAND:
if (!mlx4_is_slave(dev->dev))
return ib_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);
case IB_LINK_LAYER_ETHERNET:
return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);
default:
return -EINVAL;
/* iboe_process_mad() which uses the HCA flow-counters to implement IB PMA
* queries, should be called only by VFs and for that specific purpose
*/
if (link == IB_LINK_LAYER_INFINIBAND) {
if (mlx4_is_slave(dev->dev) &&
in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT &&
in_mad->mad_hdr.attr_id == IB_PMA_PORT_COUNTERS)
return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);
return ib_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);
}
if (link == IB_LINK_LAYER_ETHERNET)
return iboe_process_mad(ibdev, mad_flags, port_num, in_wc,
in_grh, in_mad, out_mad);
return -EINVAL;
}
static void send_handler(struct ib_mad_agent *agent,

33
drivers/infiniband/hw/mlx4/main.c
View File

@ -253,14 +253,15 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
props->hca_core_clock = dev->dev->caps.hca_core_clock * 1000UL;
props->timestamp_mask = 0xFFFFFFFFFFFFULL;
err = mlx4_get_internal_clock_params(dev->dev, &clock_params);
if (err)
goto out;
if (!mlx4_is_slave(dev->dev))
err = mlx4_get_internal_clock_params(dev->dev, &clock_params);
if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) {
resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE;
resp.response_length += sizeof(resp.hca_core_clock_offset);
resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP;
if (!err && !mlx4_is_slave(dev->dev)) {
resp.comp_mask |= QUERY_DEVICE_RESP_MASK_TIMESTAMP;
resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE;
}
}
if (uhw->outlen) {
@ -2669,31 +2670,33 @@ static void do_slave_init(struct mlx4_ib_dev *ibdev, int slave, int do_init)
dm = kcalloc(ports, sizeof(*dm), GFP_ATOMIC);
if (!dm) {
pr_err("failed to allocate memory for tunneling qp update\n");
goto out;
return;
}
for (i = 0; i < ports; i++) {
dm[i] = kmalloc(sizeof (struct mlx4_ib_demux_work), GFP_ATOMIC);
if (!dm[i]) {
pr_err("failed to allocate memory for tunneling qp update work struct\n");
for (i = 0; i < dev->caps.num_ports; i++) {
if (dm[i])
kfree(dm[i]);
}
while (--i >= 0)
kfree(dm[i]);
goto out;
}
}
/* initialize or tear down tunnel QPs for the slave */
for (i = 0; i < ports; i++) {
INIT_WORK(&dm[i]->work, mlx4_ib_tunnels_update_work);
dm[i]->port = first_port + i + 1;
dm[i]->slave = slave;
dm[i]->do_init = do_init;
dm[i]->dev = ibdev;
spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags);
if (!ibdev->sriov.is_going_down)
}
/* initialize or tear down tunnel QPs for the slave */
spin_lock_irqsave(&ibdev->sriov.going_down_lock, flags);
if (!ibdev->sriov.is_going_down) {
for (i = 0; i < ports; i++)
queue_work(ibdev->sriov.demux[i].ud_wq, &dm[i]->work);
spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
} else {
spin_unlock_irqrestore(&ibdev->sriov.going_down_lock, flags);
for (i = 0; i < ports; i++)
kfree(dm[i]);
}
out:
kfree(dm);

5
drivers/infiniband/hw/mlx5/mad.c
View File

@ -68,8 +68,9 @@ int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);

5
drivers/infiniband/hw/mthca/mthca_mad.c
View File

@ -209,8 +209,9 @@ int mthca_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
/* Forward locally generated traps to the SM */
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP &&

5
drivers/infiniband/hw/nes/nes_cm.c
View File

@ -1520,8 +1520,9 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
int rc = arpindex;
struct net_device *netdev;
struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
__be32 dst_ipaddr = htonl(dst_ip);
rt = ip_route_output(&init_net, htonl(dst_ip), 0, 0, 0);
rt = ip_route_output(&init_net, dst_ipaddr, nesvnic->local_ipaddr, 0, 0);
if (IS_ERR(rt)) {
printk(KERN_ERR "%s: ip_route_output_key failed for 0x%08X\n",
__func__, dst_ip);
@ -1533,7 +1534,7 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi
else
netdev = nesvnic->netdev;
neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev);
neigh = dst_neigh_lookup(&rt->dst, &dst_ipaddr);
rcu_read_lock();
if (neigh) {

2
drivers/infiniband/hw/nes/nes_hw.c
View File

@ -3861,7 +3861,7 @@ void nes_manage_arp_cache(struct net_device *netdev, unsigned char *mac_addr,
(((u32)mac_addr[2]) << 24) | (((u32)mac_addr[3]) << 16) |
(((u32)mac_addr[4]) << 8) | (u32)mac_addr[5]);
cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = cpu_to_le32(
(((u32)mac_addr[0]) << 16) | (u32)mac_addr[1]);
(((u32)mac_addr[0]) << 8) | (u32)mac_addr[1]);
} else {
cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_ADDR_LOW_IDX] = 0;
cqp_wqe->wqe_words[NES_CQP_ARP_WQE_MAC_HIGH_IDX] = 0;

5
drivers/infiniband/hw/ocrdma/ocrdma_ah.c
View File

@ -215,8 +215,9 @@ int ocrdma_process_mad(struct ib_device *ibdev,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_PERF_MGMT:

1
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -696,6 +696,7 @@ static void __exit ocrdma_exit_module(void)
ocrdma_unregister_inet6addr_notifier();
ocrdma_unregister_inetaddr_notifier();
ocrdma_rem_debugfs();
idr_destroy(&ocrdma_dev_id);
}
module_init(ocrdma_init_module);

5
drivers/infiniband/hw/qib/qib_mad.c
View File

@ -2412,8 +2412,9 @@ int qib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port,
const struct ib_mad *in_mad = (const struct ib_mad *)in;
struct ib_mad *out_mad = (struct ib_mad *)out;
BUG_ON(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad));
if (WARN_ON_ONCE(in_mad_size != sizeof(*in_mad) ||
*out_mad_size != sizeof(*out_mad)))
return IB_MAD_RESULT_FAILURE;
switch (in_mad->mad_hdr.mgmt_class) {
case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:

29
drivers/infiniband/ulp/ipoib/ipoib.h
View File

@ -239,7 +239,7 @@ struct ipoib_cm_tx {
struct net_device *dev;
struct ipoib_neigh *neigh;
struct ipoib_path *path;
struct ipoib_cm_tx_buf *tx_ring;
struct ipoib_tx_buf *tx_ring;
unsigned tx_head;
unsigned tx_tail;
unsigned long flags;
@ -504,6 +504,33 @@ int ipoib_mcast_stop_thread(struct net_device *dev);
void ipoib_mcast_dev_down(struct net_device *dev);
void ipoib_mcast_dev_flush(struct net_device *dev);
int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req);
void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
struct ipoib_tx_buf *tx_req);
static inline void ipoib_build_sge(struct ipoib_dev_priv *priv,
struct ipoib_tx_buf *tx_req)
{
int i, off;
struct sk_buff *skb = tx_req->skb;
skb_frag_t *frags = skb_shinfo(skb)->frags;
int nr_frags = skb_shinfo(skb)->nr_frags;
u64 *mapping = tx_req->mapping;
if (skb_headlen(skb)) {
priv->tx_sge[0].addr = mapping[0];
priv->tx_sge[0].length = skb_headlen(skb);
off = 1;
} else
off = 0;
for (i = 0; i < nr_frags; ++i) {
priv->tx_sge[i + off].addr = mapping[i + off];
priv->tx_sge[i + off].length = skb_frag_size(&frags[i]);
}
priv->tx_wr.num_sge = nr_frags + off;
}
#ifdef CONFIG_INFINIBAND_IPOIB_DEBUG
struct ipoib_mcast_iter *ipoib_mcast_iter_init(struct net_device *dev);
int ipoib_mcast_iter_next(struct ipoib_mcast_iter *iter);

33
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -694,14 +694,12 @@ repost:
static inline int post_send(struct ipoib_dev_priv *priv,
struct ipoib_cm_tx *tx,
unsigned int wr_id,
u64 addr, int len)
struct ipoib_tx_buf *tx_req)
{
struct ib_send_wr *bad_wr;
priv->tx_sge[0].addr = addr;
priv->tx_sge[0].length = len;
ipoib_build_sge(priv, tx_req);
priv->tx_wr.num_sge = 1;
priv->tx_wr.wr_id = wr_id | IPOIB_OP_CM;
return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr);
@ -710,8 +708,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_cm_tx_buf *tx_req;
u64 addr;
struct ipoib_tx_buf *tx_req;
int rc;
if (unlikely(skb->len > tx->mtu)) {
@ -735,24 +732,21 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
*/
tx_req = &tx->tx_ring[tx->tx_head & (ipoib_sendq_size - 1)];
tx_req->skb = skb;
addr = ib_dma_map_single(priv->ca, skb->data, skb->len, DMA_TO_DEVICE);
if (unlikely(ib_dma_mapping_error(priv->ca, addr))) {
if (unlikely(ipoib_dma_map_tx(priv->ca, tx_req))) {
++dev->stats.tx_errors;
dev_kfree_skb_any(skb);
return;
}
tx_req->mapping = addr;
skb_orphan(skb);
skb_dst_drop(skb);
rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
addr, skb->len);
rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), tx_req);
if (unlikely(rc)) {
ipoib_warn(priv, "post_send failed, error %d\n", rc);
++dev->stats.tx_errors;
ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE);
ipoib_dma_unmap_tx(priv, tx_req);
dev_kfree_skb_any(skb);
} else {
dev->trans_start = jiffies;
@ -777,7 +771,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_cm_tx *tx = wc->qp->qp_context;
unsigned int wr_id = wc->wr_id & ~IPOIB_OP_CM;
struct ipoib_cm_tx_buf *tx_req;
struct ipoib_tx_buf *tx_req;
unsigned long flags;
ipoib_dbg_data(priv, "cm send completion: id %d, status: %d\n",
@ -791,7 +785,7 @@ void ipoib_cm_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
tx_req = &tx->tx_ring[wr_id];
ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len, DMA_TO_DEVICE);
ipoib_dma_unmap_tx(priv, tx_req);
/* FIXME: is this right? Shouldn't we only increment on success? */
++dev->stats.tx_packets;
@ -1036,6 +1030,9 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_
struct ib_qp *tx_qp;
if (dev->features & NETIF_F_SG)
attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;
tx_qp = ib_create_qp(priv->pd, &attr);
if (PTR_ERR(tx_qp) == -EINVAL) {
ipoib_warn(priv, "can't use GFP_NOIO for QPs on device %s, using GFP_KERNEL\n",
@ -1170,7 +1167,7 @@ err_tx:
static void ipoib_cm_tx_destroy(struct ipoib_cm_tx *p)
{
struct ipoib_dev_priv *priv = netdev_priv(p->dev);
struct ipoib_cm_tx_buf *tx_req;
struct ipoib_tx_buf *tx_req;
unsigned long begin;
ipoib_dbg(priv, "Destroy active connection 0x%x head 0x%x tail 0x%x\n",
@ -1197,8 +1194,7 @@ timeout:
while ((int) p->tx_tail - (int) p->tx_head < 0) {
tx_req = &p->tx_ring[p->tx_tail & (ipoib_sendq_size - 1)];
ib_dma_unmap_single(priv->ca, tx_req->mapping, tx_req->skb->len,
DMA_TO_DEVICE);
ipoib_dma_unmap_tx(priv, tx_req);
dev_kfree_skb_any(tx_req->skb);
++p->tx_tail;
netif_tx_lock_bh(p->dev);
@ -1455,7 +1451,6 @@ static void ipoib_cm_stale_task(struct work_struct *work)
spin_unlock_irq(&priv->lock);
}
static ssize_t show_mode(struct device *d, struct device_attribute *attr,
char *buf)
{

49
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View File

@ -263,8 +263,7 @@ repost:
"for buf %d\n", wr_id);
}
static int ipoib_dma_map_tx(struct ib_device *ca,
struct ipoib_tx_buf *tx_req)
int ipoib_dma_map_tx(struct ib_device *ca, struct ipoib_tx_buf *tx_req)
{
struct sk_buff *skb = tx_req->skb;
u64 *mapping = tx_req->mapping;
@ -305,8 +304,8 @@ partial_error:
return -EIO;
}
static void ipoib_dma_unmap_tx(struct ib_device *ca,
struct ipoib_tx_buf *tx_req)
void ipoib_dma_unmap_tx(struct ipoib_dev_priv *priv,
struct ipoib_tx_buf *tx_req)
{
struct sk_buff *skb = tx_req->skb;
u64 *mapping = tx_req->mapping;
@ -314,7 +313,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca,
int off;
if (skb_headlen(skb)) {
ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
ib_dma_unmap_single(priv->ca, mapping[0], skb_headlen(skb),
DMA_TO_DEVICE);
off = 1;
} else
off = 0;
@ -322,8 +322,8 @@ static void ipoib_dma_unmap_tx(struct ib_device *ca,
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
ib_dma_unmap_page(ca, mapping[i + off], skb_frag_size(frag),
DMA_TO_DEVICE);
ib_dma_unmap_page(priv->ca, mapping[i + off],
skb_frag_size(frag), DMA_TO_DEVICE);
}
}
@ -389,7 +389,7 @@ static void ipoib_ib_handle_tx_wc(struct net_device *dev, struct ib_wc *wc)
tx_req = &priv->tx_ring[wr_id];
ipoib_dma_unmap_tx(priv->ca, tx_req);
ipoib_dma_unmap_tx(priv, tx_req);
++dev->stats.tx_packets;
dev->stats.tx_bytes += tx_req->skb->len;
@ -514,24 +514,10 @@ static inline int post_send(struct ipoib_dev_priv *priv,
void *head, int hlen)
{
struct ib_send_wr *bad_wr;
int i, off;
struct sk_buff *skb = tx_req->skb;
skb_frag_t *frags = skb_shinfo(skb)->frags;
int nr_frags = skb_shinfo(skb)->nr_frags;
u64 *mapping = tx_req->mapping;
if (skb_headlen(skb)) {
priv->tx_sge[0].addr = mapping[0];
priv->tx_sge[0].length = skb_headlen(skb);
off = 1;
} else
off = 0;
ipoib_build_sge(priv, tx_req);
for (i = 0; i < nr_frags; ++i) {
priv->tx_sge[i + off].addr = mapping[i + off];
priv->tx_sge[i + off].length = skb_frag_size(&frags[i]);
}
priv->tx_wr.num_sge = nr_frags + off;
priv->tx_wr.wr_id = wr_id;
priv->tx_wr.wr.ud.remote_qpn = qpn;
priv->tx_wr.wr.ud.ah = address;
@ -617,7 +603,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
ipoib_warn(priv, "post_send failed, error %d\n", rc);
++dev->stats.tx_errors;
--priv->tx_outstanding;
ipoib_dma_unmap_tx(priv->ca, tx_req);
ipoib_dma_unmap_tx(priv, tx_req);
dev_kfree_skb_any(skb);
if (netif_queue_stopped(dev))
netif_wake_queue(dev);
@ -868,7 +854,7 @@ int ipoib_ib_dev_stop(struct net_device *dev)
while ((int) priv->tx_tail - (int) priv->tx_head < 0) {
tx_req = &priv->tx_ring[priv->tx_tail &
(ipoib_sendq_size - 1)];
ipoib_dma_unmap_tx(priv->ca, tx_req);
ipoib_dma_unmap_tx(priv, tx_req);
dev_kfree_skb_any(tx_req->skb);
++priv->tx_tail;
--priv->tx_outstanding;
@ -985,20 +971,21 @@ static inline int update_child_pkey(struct ipoib_dev_priv *priv)
}
static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv,
enum ipoib_flush_level level)
enum ipoib_flush_level level,
int nesting)
{
struct ipoib_dev_priv *cpriv;
struct net_device *dev = priv->dev;
int result;
down_read(&priv->vlan_rwsem);
down_read_nested(&priv->vlan_rwsem, nesting);
/*
* Flush any child interfaces too -- they might be up even if
* the parent is down.
*/
list_for_each_entry(cpriv, &priv->child_intfs, list)
__ipoib_ib_dev_flush(cpriv, level);
__ipoib_ib_dev_flush(cpriv, level, nesting + 1);
up_read(&priv->vlan_rwsem);
@ -1076,7 +1063,7 @@ void ipoib_ib_dev_flush_light(struct work_struct *work)
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, flush_light);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_LIGHT, 0);
}
void ipoib_ib_dev_flush_normal(struct work_struct *work)
@ -1084,7 +1071,7 @@ void ipoib_ib_dev_flush_normal(struct work_struct *work)
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, flush_normal);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_NORMAL, 0);
}
void ipoib_ib_dev_flush_heavy(struct work_struct *work)
@ -1092,7 +1079,7 @@ void ipoib_ib_dev_flush_heavy(struct work_struct *work)
struct ipoib_dev_priv *priv =
container_of(work, struct ipoib_dev_priv, flush_heavy);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY);
__ipoib_ib_dev_flush(priv, IPOIB_FLUSH_HEAVY, 0);
}
void ipoib_ib_dev_cleanup(struct net_device *dev)

21
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -190,7 +190,7 @@ static netdev_features_t ipoib_fix_features(struct net_device *dev, netdev_featu
struct ipoib_dev_priv *priv = netdev_priv(dev);
if (test_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags))
features &= ~(NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO);
features &= ~(NETIF_F_IP_CSUM | NETIF_F_TSO);
return features;
}
@ -232,6 +232,7 @@ int ipoib_set_mode(struct net_device *dev, const char *buf)
ipoib_warn(priv, "enabling connected mode "
"will cause multicast packet drops\n");
netdev_update_features(dev);
dev_set_mtu(dev, ipoib_cm_max_mtu(dev));
rtnl_unlock();
priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
@ -1577,7 +1578,8 @@ static struct net_device *ipoib_add_port(const char *format,
SET_NETDEV_DEV(priv->dev, hca->dma_device);
priv->dev->dev_id = port - 1;
if (!ib_query_port(hca, port, &attr))
result = ib_query_port(hca, port, &attr);
if (!result)
priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu);
else {
printk(KERN_WARNING "%s: ib_query_port %d failed\n",
@ -1598,7 +1600,8 @@ static struct net_device *ipoib_add_port(const char *format,
goto device_init_failed;
}
if (ipoib_set_dev_features(priv, hca))
result = ipoib_set_dev_features(priv, hca);
if (result)
goto device_init_failed;
/*
@ -1684,7 +1687,7 @@ static void ipoib_add_one(struct ib_device *device)
struct list_head *dev_list;
struct net_device *dev;
struct ipoib_dev_priv *priv;
int s, e, p;
int p;
int count = 0;
dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
@ -1693,15 +1696,7 @@ static void ipoib_add_one(struct ib_device *device)
INIT_LIST_HEAD(dev_list);
if (device->node_type == RDMA_NODE_IB_SWITCH) {
s = 0;
e = 0;
} else {
s = 1;
e = device->phys_port_cnt;
}
for (p = s; p <= e; ++p) {
for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) {
if (!rdma_protocol_ib(device, p))
continue;
dev = ipoib_add_port("ib%d", device, p);

23
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -161,13 +161,10 @@ static int srp_tmo_set(const char *val, const struct kernel_param *kp)
{
int tmo, res;
if (strncmp(val, "off", 3) != 0) {
res = kstrtoint(val, 0, &tmo);
if (res)
goto out;
} else {
tmo = -1;
}
res = srp_parse_tmo(&tmo, val);
if (res)
goto out;
if (kp->arg == &srp_reconnect_delay)
res = srp_tmo_valid(tmo, srp_fast_io_fail_tmo,
srp_dev_loss_tmo);
@ -3379,7 +3376,7 @@ static void srp_add_one(struct ib_device *device)
struct srp_device *srp_dev;
struct ib_device_attr *dev_attr;
struct srp_host *host;
int mr_page_shift, s, e, p;
int mr_page_shift, p;
u64 max_pages_per_mr;
dev_attr = kmalloc(sizeof *dev_attr, GFP_KERNEL);
@ -3443,15 +3440,7 @@ static void srp_add_one(struct ib_device *device)
if (IS_ERR(srp_dev->mr))
goto err_pd;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
s = 0;
e = 0;
} else {
s = 1;
e = device->phys_port_cnt;
}
for (p = s; p <= e; ++p) {
for (p = rdma_start_port(device); p <= rdma_end_port(device); ++p) {
host = srp_add_port(srp_dev, p);
if (host)
list_add_tail(&host->list, &srp_dev->dev_list);

71
drivers/infiniband/ulp/srpt/ib_srpt.c
View File

@ -302,7 +302,7 @@ static void srpt_get_iou(struct ib_dm_mad *mad)
int i;
ioui = (struct ib_dm_iou_info *)mad->data;
ioui->change_id = __constant_cpu_to_be16(1);
ioui->change_id = cpu_to_be16(1);
ioui->max_controllers = 16;
/* set present for slot 1 and empty for the rest */
@ -330,13 +330,13 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot,
if (!slot || slot > 16) {
mad->mad_hdr.status
= __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD);
= cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD);
return;
}
if (slot > 2) {
mad->mad_hdr.status
= __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC);
= cpu_to_be16(DM_MAD_STATUS_NO_IOC);
return;
}
@ -348,10 +348,10 @@ static void srpt_get_ioc(struct srpt_port *sport, u32 slot,
iocp->device_version = cpu_to_be16(sdev->dev_attr.hw_ver);
iocp->subsys_vendor_id = cpu_to_be32(sdev->dev_attr.vendor_id);
iocp->subsys_device_id = 0x0;
iocp->io_class = __constant_cpu_to_be16(SRP_REV16A_IB_IO_CLASS);
iocp->io_subclass = __constant_cpu_to_be16(SRP_IO_SUBCLASS);
iocp->protocol = __constant_cpu_to_be16(SRP_PROTOCOL);
iocp->protocol_version = __constant_cpu_to_be16(SRP_PROTOCOL_VERSION);
iocp->io_class = cpu_to_be16(SRP_REV16A_IB_IO_CLASS);
iocp->io_subclass = cpu_to_be16(SRP_IO_SUBCLASS);
iocp->protocol = cpu_to_be16(SRP_PROTOCOL);
iocp->protocol_version = cpu_to_be16(SRP_PROTOCOL_VERSION);
iocp->send_queue_depth = cpu_to_be16(sdev->srq_size);
iocp->rdma_read_depth = 4;
iocp->send_size = cpu_to_be32(srp_max_req_size);
@ -379,13 +379,13 @@ static void srpt_get_svc_entries(u64 ioc_guid,
if (!slot || slot > 16) {
mad->mad_hdr.status
= __constant_cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD);
= cpu_to_be16(DM_MAD_STATUS_INVALID_FIELD);
return;
}
if (slot > 2 || lo > hi || hi > 1) {
mad->mad_hdr.status
= __constant_cpu_to_be16(DM_MAD_STATUS_NO_IOC);
= cpu_to_be16(DM_MAD_STATUS_NO_IOC);
return;
}
@ -436,7 +436,7 @@ static void srpt_mgmt_method_get(struct srpt_port *sp, struct ib_mad *rq_mad,
break;
default:
rsp_mad->mad_hdr.status =
__constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR);
cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR);
break;
}
}
@ -493,11 +493,11 @@ static void srpt_mad_recv_handler(struct ib_mad_agent *mad_agent,
break;
case IB_MGMT_METHOD_SET:
dm_mad->mad_hdr.status =
__constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR);
cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD_ATTR);
break;
default:
dm_mad->mad_hdr.status =
__constant_cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD);
cpu_to_be16(DM_MAD_STATUS_UNSUP_METHOD);
break;
}
@ -1535,7 +1535,7 @@ static int srpt_build_cmd_rsp(struct srpt_rdma_ch *ch,
memset(srp_rsp, 0, sizeof *srp_rsp);
srp_rsp->opcode = SRP_RSP;
srp_rsp->req_lim_delta =
__constant_cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0));
cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0));
srp_rsp->tag = tag;
srp_rsp->status = status;
@ -1585,8 +1585,8 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch,
memset(srp_rsp, 0, sizeof *srp_rsp);
srp_rsp->opcode = SRP_RSP;
srp_rsp->req_lim_delta = __constant_cpu_to_be32(1
+ atomic_xchg(&ch->req_lim_delta, 0));
srp_rsp->req_lim_delta =
cpu_to_be32(1 + atomic_xchg(&ch->req_lim_delta, 0));
srp_rsp->tag = tag;
srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID;
@ -1630,7 +1630,7 @@ static uint64_t srpt_unpack_lun(const uint8_t *lun, int len)
switch (len) {
case 8:
if ((*((__be64 *)lun) &
__constant_cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0)
cpu_to_be64(0x0000FFFFFFFFFFFFLL)) != 0)
goto out_err;
break;
case 4:
@ -2449,8 +2449,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
}
if (it_iu_len > srp_max_req_size || it_iu_len < 64) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_REQ_IT_IU_LENGTH_TOO_LARGE);
ret = -EINVAL;
pr_err("rejected SRP_LOGIN_REQ because its"
" length (%d bytes) is out of range (%d .. %d)\n",
@ -2459,8 +2459,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
}
if (!sport->enabled) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
ret = -EINVAL;
pr_err("rejected SRP_LOGIN_REQ because the target port"
" has not yet been enabled\n");
@ -2505,8 +2505,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
if (*(__be64 *)req->target_port_id != cpu_to_be64(srpt_service_guid)
|| *(__be64 *)(req->target_port_id + 8) !=
cpu_to_be64(srpt_service_guid)) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_UNABLE_ASSOCIATE_CHANNEL);
ret = -ENOMEM;
pr_err("rejected SRP_LOGIN_REQ because it"
" has an invalid target port identifier.\n");
@ -2515,8 +2515,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
ch = kzalloc(sizeof *ch, GFP_KERNEL);
if (!ch) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
pr_err("rejected SRP_LOGIN_REQ because no memory.\n");
ret = -ENOMEM;
goto reject;
@ -2552,8 +2552,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
ret = srpt_create_ch_ib(ch);
if (ret) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
pr_err("rejected SRP_LOGIN_REQ because creating"
" a new RDMA channel failed.\n");
goto free_ring;
@ -2561,8 +2561,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
ret = srpt_ch_qp_rtr(ch, ch->qp);
if (ret) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
rej->reason = cpu_to_be32(SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
pr_err("rejected SRP_LOGIN_REQ because enabling"
" RTR failed (error code = %d)\n", ret);
goto destroy_ib;
@ -2580,15 +2579,15 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
if (!nacl) {
pr_info("Rejected login because no ACL has been"
" configured yet for initiator %s.\n", ch->sess_name);
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_CHANNEL_LIMIT_REACHED);
goto destroy_ib;
}
ch->sess = transport_init_session(TARGET_PROT_NORMAL);
if (IS_ERR(ch->sess)) {
rej->reason = __constant_cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
rej->reason = cpu_to_be32(
SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES);
pr_debug("Failed to create session\n");
goto deregister_session;
}
@ -2604,8 +2603,8 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
rsp->max_it_iu_len = req->req_it_iu_len;
rsp->max_ti_iu_len = req->req_it_iu_len;
ch->max_ti_iu_len = it_iu_len;
rsp->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT
| SRP_BUF_FORMAT_INDIRECT);
rsp->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT
| SRP_BUF_FORMAT_INDIRECT);
rsp->req_lim_delta = cpu_to_be32(ch->rq_size);
atomic_set(&ch->req_lim, ch->rq_size);
atomic_set(&ch->req_lim_delta, 0);
@ -2655,8 +2654,8 @@ free_ch:
reject:
rej->opcode = SRP_LOGIN_REJ;
rej->tag = req->tag;
rej->buf_fmt = __constant_cpu_to_be16(SRP_BUF_FORMAT_DIRECT
| SRP_BUF_FORMAT_INDIRECT);
rej->buf_fmt = cpu_to_be16(SRP_BUF_FORMAT_DIRECT
| SRP_BUF_FORMAT_INDIRECT);
ib_send_cm_rej(cm_id, IB_CM_REJ_CONSUMER_DEFINED, NULL, 0,
(void *)rej, sizeof *rej);

3
drivers/scsi/scsi_transport_srp.c
View File

@ -203,7 +203,7 @@ static ssize_t srp_show_tmo(char *buf, int tmo)
return tmo >= 0 ? sprintf(buf, "%d\n", tmo) : sprintf(buf, "off\n");
}
static int srp_parse_tmo(int *tmo, const char *buf)
int srp_parse_tmo(int *tmo, const char *buf)
{
int res = 0;
@ -214,6 +214,7 @@ static int srp_parse_tmo(int *tmo, const char *buf)
return res;
}
EXPORT_SYMBOL(srp_parse_tmo);
static ssize_t show_reconnect_delay(struct device *dev,
struct device_attribute *attr, char *buf)

20
include/rdma/ib_verbs.h
View File

@ -1745,6 +1745,7 @@ struct ib_device {
char node_desc[64];
__be64 node_guid;
u32 local_dma_lkey;
u16 is_switch:1;
u8 node_type;
u8 phys_port_cnt;
@ -1823,6 +1824,20 @@ int ib_query_port(struct ib_device *device,
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
u8 port_num);
/**
* rdma_cap_ib_switch - Check if the device is IB switch
* @device: Device to check
*
* Device driver is responsible for setting is_switch bit on
* in ib_device structure at init time.
*
* Return: true if the device is IB switch.
*/
static inline bool rdma_cap_ib_switch(const struct ib_device *device)
{
return device->is_switch;
}
/**
* rdma_start_port - Return the first valid port number for the device
* specified
@ -1833,7 +1848,7 @@ enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
*/
static inline u8 rdma_start_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
return rdma_cap_ib_switch(device) ? 0 : 1;
}
/**
@ -1846,8 +1861,7 @@ static inline u8 rdma_start_port(const struct ib_device *device)
*/
static inline u8 rdma_end_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ?
0 : device->phys_port_cnt;
return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt;
}
static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num)

1
include/scsi/scsi_transport_srp.h
View File

@ -119,6 +119,7 @@ extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
extern void srp_rport_del(struct srp_rport *);
extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo,
int dev_loss_tmo);
int srp_parse_tmo(int *tmo, const char *buf);
extern int srp_reconnect_rport(struct srp_rport *rport);
extern void srp_start_tl_fail_timers(struct srp_rport *rport);
extern void srp_remove_host(struct Scsi_Host *);

4
net/rds/ib_rdma.c
View File

@ -759,8 +759,10 @@ void *rds_ib_get_mr(struct scatterlist *sg, unsigned long nents,
}
ibmr = rds_ib_alloc_fmr(rds_ibdev);
if (IS_ERR(ibmr))
if (IS_ERR(ibmr)) {
rds_ib_dev_put(rds_ibdev);
return ibmr;
}
ret = rds_ib_map_fmr(rds_ibdev, ibmr, sg, nents);
if (ret == 0)