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Merge branches 'bart-srp', 'generic-errors', 'ira-cleanups' and 'mwang-v8' into k.o/for-4.2

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This commit is contained in:
Doug Ledford 2015-05-20 16:12:40 -04:00
commit 175e8efe69
48 changed files with 1006 additions and 642 deletions
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2
drivers/infiniband/core/agent.c
View file

@ -156,7 +156,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
goto error1;
}
if (rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND) {
if (rdma_cap_ib_smi(device, port_num)) {
/* Obtain send only MAD agent for SMI QP */
port_priv->agent[0] = ib_register_mad_agent(device, port_num,
IB_QPT_SMI, NULL, 0,

61
drivers/infiniband/core/cache.c
View file

@ -58,17 +58,6 @@ struct ib_update_work {
u8 port_num;
};
static inline int start_port(struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
}
static inline int end_port(struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ?
0 : device->phys_port_cnt;
}
int ib_get_cached_gid(struct ib_device *device,
u8 port_num,
int index,
@ -78,12 +67,12 @@ int ib_get_cached_gid(struct ib_device *device,
unsigned long flags;
int ret = 0;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
cache = device->cache.gid_cache[port_num - start_port(device)];
cache = device->cache.gid_cache[port_num - rdma_start_port(device)];
if (index < 0 || index >= cache->table_len)
ret = -EINVAL;
@ -112,11 +101,11 @@ int ib_find_cached_gid(struct ib_device *device,
read_lock_irqsave(&device->cache.lock, flags);
for (p = 0; p <= end_port(device) - start_port(device); ++p) {
for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
cache = device->cache.gid_cache[p];
for (i = 0; i < cache->table_len; ++i) {
if (!memcmp(gid, &cache->table[i], sizeof *gid)) {
*port_num = p + start_port(device);
*port_num = p + rdma_start_port(device);
if (index)
*index = i;
ret = 0;
@ -140,12 +129,12 @@ int ib_get_cached_pkey(struct ib_device *device,
unsigned long flags;
int ret = 0;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
cache = device->cache.pkey_cache[port_num - start_port(device)];
cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
if (index < 0 || index >= cache->table_len)
ret = -EINVAL;
@ -169,12 +158,12 @@ int ib_find_cached_pkey(struct ib_device *device,
int ret = -ENOENT;
int partial_ix = -1;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
cache = device->cache.pkey_cache[port_num - start_port(device)];
cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
*index = -1;
@ -209,12 +198,12 @@ int ib_find_exact_cached_pkey(struct ib_device *device,
int i;
int ret = -ENOENT;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
cache = device->cache.pkey_cache[port_num - start_port(device)];
cache = device->cache.pkey_cache[port_num - rdma_start_port(device)];
*index = -1;
@ -238,11 +227,11 @@ int ib_get_cached_lmc(struct ib_device *device,
unsigned long flags;
int ret = 0;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
read_lock_irqsave(&device->cache.lock, flags);
*lmc = device->cache.lmc_cache[port_num - start_port(device)];
*lmc = device->cache.lmc_cache[port_num - rdma_start_port(device)];
read_unlock_irqrestore(&device->cache.lock, flags);
return ret;
@ -303,13 +292,13 @@ static void ib_cache_update(struct ib_device *device,
write_lock_irq(&device->cache.lock);
old_pkey_cache = device->cache.pkey_cache[port - start_port(device)];
old_gid_cache = device->cache.gid_cache [port - start_port(device)];
old_pkey_cache = device->cache.pkey_cache[port - rdma_start_port(device)];
old_gid_cache = device->cache.gid_cache [port - rdma_start_port(device)];
device->cache.pkey_cache[port - start_port(device)] = pkey_cache;
device->cache.gid_cache [port - start_port(device)] = gid_cache;
device->cache.pkey_cache[port - rdma_start_port(device)] = pkey_cache;
device->cache.gid_cache [port - rdma_start_port(device)] = gid_cache;
device->cache.lmc_cache[port - start_port(device)] = tprops->lmc;
device->cache.lmc_cache[port - rdma_start_port(device)] = tprops->lmc;
write_unlock_irq(&device->cache.lock);
@ -363,14 +352,14 @@ static void ib_cache_setup_one(struct ib_device *device)
device->cache.pkey_cache =
kmalloc(sizeof *device->cache.pkey_cache *
(end_port(device) - start_port(device) + 1), GFP_KERNEL);
(rdma_end_port(device) - rdma_start_port(device) + 1), GFP_KERNEL);
device->cache.gid_cache =
kmalloc(sizeof *device->cache.gid_cache *
(end_port(device) - start_port(device) + 1), GFP_KERNEL);
(rdma_end_port(device) - rdma_start_port(device) + 1), GFP_KERNEL);
device->cache.lmc_cache = kmalloc(sizeof *device->cache.lmc_cache *
(end_port(device) -
start_port(device) + 1),
(rdma_end_port(device) -
rdma_start_port(device) + 1),
GFP_KERNEL);
if (!device->cache.pkey_cache || !device->cache.gid_cache ||
@ -380,10 +369,10 @@ static void ib_cache_setup_one(struct ib_device *device)
goto err;
}
for (p = 0; p <= end_port(device) - start_port(device); ++p) {
for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
device->cache.pkey_cache[p] = NULL;
device->cache.gid_cache [p] = NULL;
ib_cache_update(device, p + start_port(device));
ib_cache_update(device, p + rdma_start_port(device));
}
INIT_IB_EVENT_HANDLER(&device->cache.event_handler,
@ -394,7 +383,7 @@ static void ib_cache_setup_one(struct ib_device *device)
return;
err_cache:
for (p = 0; p <= end_port(device) - start_port(device); ++p) {
for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
kfree(device->cache.pkey_cache[p]);
kfree(device->cache.gid_cache[p]);
}
@ -412,7 +401,7 @@ static void ib_cache_cleanup_one(struct ib_device *device)
ib_unregister_event_handler(&device->cache.event_handler);
flush_workqueue(ib_wq);
for (p = 0; p <= end_port(device) - start_port(device); ++p) {
for (p = 0; p <= rdma_end_port(device) - rdma_start_port(device); ++p) {
kfree(device->cache.pkey_cache[p]);
kfree(device->cache.gid_cache[p]);
}

20
drivers/infiniband/core/cm.c
View file

@ -3759,11 +3759,9 @@ static void cm_add_one(struct ib_device *ib_device)
};
unsigned long flags;
int ret;
int count = 0;
u8 i;
if (rdma_node_get_transport(ib_device->node_type) != RDMA_TRANSPORT_IB)
return;
cm_dev = kzalloc(sizeof(*cm_dev) + sizeof(*port) *
ib_device->phys_port_cnt, GFP_KERNEL);
if (!cm_dev)
@ -3782,6 +3780,9 @@ static void cm_add_one(struct ib_device *ib_device)
set_bit(IB_MGMT_METHOD_SEND, reg_req.method_mask);
for (i = 1; i <= ib_device->phys_port_cnt; i++) {
if (!rdma_cap_ib_cm(ib_device, i))
continue;
port = kzalloc(sizeof *port, GFP_KERNEL);
if (!port)
goto error1;
@ -3808,7 +3809,13 @@ static void cm_add_one(struct ib_device *ib_device)
ret = ib_modify_port(ib_device, i, 0, &port_modify);
if (ret)
goto error3;
count++;
}
if (!count)
goto free;
ib_set_client_data(ib_device, &cm_client, cm_dev);
write_lock_irqsave(&cm.device_lock, flags);
@ -3824,11 +3831,15 @@ static void cm_add_one(struct ib_device *ib_device)
port_modify.set_port_cap_mask = 0;
port_modify.clr_port_cap_mask = IB_PORT_CM_SUP;
while (--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);
cm_remove_port_fs(port);
}
free:
device_unregister(cm_dev->device);
kfree(cm_dev);
}
@ -3852,6 +3863,9 @@ static void cm_remove_one(struct ib_device *ib_device)
write_unlock_irqrestore(&cm.device_lock, flags);
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);

283
drivers/infiniband/core/cma.c
View file

@ -65,6 +65,34 @@ MODULE_LICENSE("Dual BSD/GPL");
#define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24)
#define CMA_IBOE_PACKET_LIFETIME 18
static const char * const cma_events[] = {
[RDMA_CM_EVENT_ADDR_RESOLVED] = "address resolved",
[RDMA_CM_EVENT_ADDR_ERROR] = "address error",
[RDMA_CM_EVENT_ROUTE_RESOLVED] = "route resolved ",
[RDMA_CM_EVENT_ROUTE_ERROR] = "route error",
[RDMA_CM_EVENT_CONNECT_REQUEST] = "connect request",
[RDMA_CM_EVENT_CONNECT_RESPONSE] = "connect response",
[RDMA_CM_EVENT_CONNECT_ERROR] = "connect error",
[RDMA_CM_EVENT_UNREACHABLE] = "unreachable",
[RDMA_CM_EVENT_REJECTED] = "rejected",
[RDMA_CM_EVENT_ESTABLISHED] = "established",
[RDMA_CM_EVENT_DISCONNECTED] = "disconnected",
[RDMA_CM_EVENT_DEVICE_REMOVAL] = "device removal",
[RDMA_CM_EVENT_MULTICAST_JOIN] = "multicast join",
[RDMA_CM_EVENT_MULTICAST_ERROR] = "multicast error",
[RDMA_CM_EVENT_ADDR_CHANGE] = "address change",
[RDMA_CM_EVENT_TIMEWAIT_EXIT] = "timewait exit",
};
const char *rdma_event_msg(enum rdma_cm_event_type event)
{
size_t index = event;
return (index < ARRAY_SIZE(cma_events) && cma_events[index]) ?
cma_events[index] : "unrecognized event";
}
EXPORT_SYMBOL(rdma_event_msg);
static void cma_add_one(struct ib_device *device);
static void cma_remove_one(struct ib_device *device);
@ -349,18 +377,35 @@ static int cma_translate_addr(struct sockaddr *addr, struct rdma_dev_addr *dev_a
return ret;
}
static inline int cma_validate_port(struct ib_device *device, u8 port,
union ib_gid *gid, int dev_type)
{
u8 found_port;
int ret = -ENODEV;
if ((dev_type == ARPHRD_INFINIBAND) && !rdma_protocol_ib(device, port))
return ret;
if ((dev_type != ARPHRD_INFINIBAND) && rdma_protocol_ib(device, port))
return ret;
ret = ib_find_cached_gid(device, gid, &found_port, NULL);
if (port != found_port)
return -ENODEV;
return ret;
}
static int cma_acquire_dev(struct rdma_id_private *id_priv,
struct rdma_id_private *listen_id_priv)
{
struct rdma_dev_addr *dev_addr = &id_priv->id.route.addr.dev_addr;
struct cma_device *cma_dev;
union ib_gid gid, iboe_gid;
union ib_gid gid, iboe_gid, *gidp;
int ret = -ENODEV;
u8 port, found_port;
enum rdma_link_layer dev_ll = dev_addr->dev_type == ARPHRD_INFINIBAND ?
IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET;
u8 port;
if (dev_ll != IB_LINK_LAYER_INFINIBAND &&
if (dev_addr->dev_type != ARPHRD_INFINIBAND &&
id_priv->id.ps == RDMA_PS_IPOIB)
return -EINVAL;
@ -370,41 +415,36 @@ static int cma_acquire_dev(struct rdma_id_private *id_priv,
memcpy(&gid, dev_addr->src_dev_addr +
rdma_addr_gid_offset(dev_addr), sizeof gid);
if (listen_id_priv &&
rdma_port_get_link_layer(listen_id_priv->id.device,
listen_id_priv->id.port_num) == dev_ll) {
if (listen_id_priv) {
cma_dev = listen_id_priv->cma_dev;
port = listen_id_priv->id.port_num;
if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
ret = ib_find_cached_gid(cma_dev->device, &iboe_gid,
&found_port, NULL);
else
ret = ib_find_cached_gid(cma_dev->device, &gid,
&found_port, NULL);
gidp = rdma_protocol_roce(cma_dev->device, port) ?
&iboe_gid : &gid;
if (!ret && (port == found_port)) {
id_priv->id.port_num = found_port;
ret = cma_validate_port(cma_dev->device, port, gidp,
dev_addr->dev_type);
if (!ret) {
id_priv->id.port_num = port;
goto out;
}
}
list_for_each_entry(cma_dev, &dev_list, list) {
for (port = 1; port <= cma_dev->device->phys_port_cnt; ++port) {
if (listen_id_priv &&
listen_id_priv->cma_dev == cma_dev &&
listen_id_priv->id.port_num == port)
continue;
if (rdma_port_get_link_layer(cma_dev->device, port) == dev_ll) {
if (rdma_node_get_transport(cma_dev->device->node_type) == RDMA_TRANSPORT_IB &&
rdma_port_get_link_layer(cma_dev->device, port) == IB_LINK_LAYER_ETHERNET)
ret = ib_find_cached_gid(cma_dev->device, &iboe_gid, &found_port, NULL);
else
ret = ib_find_cached_gid(cma_dev->device, &gid, &found_port, NULL);
if (!ret && (port == found_port)) {
id_priv->id.port_num = found_port;
goto out;
}
gidp = rdma_protocol_roce(cma_dev->device, port) ?
&iboe_gid : &gid;
ret = cma_validate_port(cma_dev->device, port, gidp,
dev_addr->dev_type);
if (!ret) {
id_priv->id.port_num = port;
goto out;
}
}
}
@ -435,10 +475,10 @@ static int cma_resolve_ib_dev(struct rdma_id_private *id_priv)
pkey = ntohs(addr->sib_pkey);
list_for_each_entry(cur_dev, &dev_list, list) {
if (rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
continue;
for (p = 1; p <= cur_dev->device->phys_port_cnt; ++p) {
if (!rdma_cap_af_ib(cur_dev->device, p))
continue;
if (ib_find_cached_pkey(cur_dev->device, p, pkey, &index))
continue;
@ -633,10 +673,9 @@ static int cma_modify_qp_rtr(struct rdma_id_private *id_priv,
if (ret)
goto out;
if (rdma_node_get_transport(id_priv->cma_dev->device->node_type)
== RDMA_TRANSPORT_IB &&
rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)
== IB_LINK_LAYER_ETHERNET) {
BUG_ON(id_priv->cma_dev->device != id_priv->id.device);
if (rdma_protocol_roce(id_priv->id.device, id_priv->id.port_num)) {
ret = rdma_addr_find_smac_by_sgid(&sgid, qp_attr.smac, NULL);
if (ret)
@ -700,11 +739,10 @@ static int cma_ib_init_qp_attr(struct rdma_id_private *id_priv,
int ret;
u16 pkey;
if (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num) ==
IB_LINK_LAYER_INFINIBAND)
pkey = ib_addr_get_pkey(dev_addr);
else
if (rdma_cap_eth_ah(id_priv->id.device, id_priv->id.port_num))
pkey = 0xffff;
else
pkey = ib_addr_get_pkey(dev_addr);
ret = ib_find_cached_pkey(id_priv->id.device, id_priv->id.port_num,
pkey, &qp_attr->pkey_index);
@ -735,8 +773,7 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
int ret = 0;
id_priv = container_of(id, struct rdma_id_private, id);
switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (!id_priv->cm_id.ib || (id_priv->id.qp_type == IB_QPT_UD))
ret = cma_ib_init_qp_attr(id_priv, qp_attr, qp_attr_mask);
else
@ -745,19 +782,15 @@ int rdma_init_qp_attr(struct rdma_cm_id *id, struct ib_qp_attr *qp_attr,
if (qp_attr->qp_state == IB_QPS_RTR)
qp_attr->rq_psn = id_priv->seq_num;
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, id->port_num)) {
if (!id_priv->cm_id.iw) {
qp_attr->qp_access_flags = 0;
*qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS;
} else
ret = iw_cm_init_qp_attr(id_priv->cm_id.iw, qp_attr,
qp_attr_mask);
break;
default:
} else
ret = -ENOSYS;
break;
}
return ret;
}
@ -935,13 +968,9 @@ static inline int cma_user_data_offset(struct rdma_id_private *id_priv)
static void cma_cancel_route(struct rdma_id_private *id_priv)
{
switch (rdma_port_get_link_layer(id_priv->id.device, id_priv->id.port_num)) {
case IB_LINK_LAYER_INFINIBAND:
if (rdma_cap_ib_sa(id_priv->id.device, id_priv->id.port_num)) {
if (id_priv->query)
ib_sa_cancel_query(id_priv->query_id, id_priv->query);
break;
default:
break;
}
}
@ -1013,17 +1042,12 @@ static void cma_leave_mc_groups(struct rdma_id_private *id_priv)
mc = container_of(id_priv->mc_list.next,
struct cma_multicast, list);
list_del(&mc->list);
switch (rdma_port_get_link_layer(id_priv->cma_dev->device, id_priv->id.port_num)) {
case IB_LINK_LAYER_INFINIBAND:
if (rdma_cap_ib_mcast(id_priv->cma_dev->device,
id_priv->id.port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
break;
case IB_LINK_LAYER_ETHERNET:
} else
kref_put(&mc->mcref, release_mc);
break;
default:
break;
}
}
}
@ -1044,17 +1068,12 @@ void rdma_destroy_id(struct rdma_cm_id *id)
mutex_unlock(&id_priv->handler_mutex);
if (id_priv->cma_dev) {
switch (rdma_node_get_transport(id_priv->id.device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id_priv->id.device, 1)) {
if (id_priv->cm_id.ib)
ib_destroy_cm_id(id_priv->cm_id.ib);
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id_priv->id.device, 1)) {
if (id_priv->cm_id.iw)
iw_destroy_cm_id(id_priv->cm_id.iw);
break;
default:
break;
}
cma_leave_mc_groups(id_priv);
cma_release_dev(id_priv);
@ -1632,8 +1651,7 @@ static void cma_listen_on_dev(struct rdma_id_private *id_priv,
struct rdma_cm_id *id;
int ret;
if (cma_family(id_priv) == AF_IB &&
rdma_node_get_transport(cma_dev->device->node_type) != RDMA_TRANSPORT_IB)
if (cma_family(id_priv) == AF_IB && !rdma_cap_ib_cm(cma_dev->device, 1))
return;
id = rdma_create_id(cma_listen_handler, id_priv, id_priv->id.ps,
@ -1974,26 +1992,15 @@ int rdma_resolve_route(struct rdma_cm_id *id, int timeout_ms)
return -EINVAL;
atomic_inc(&id_priv->refcount);
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
switch (rdma_port_get_link_layer(id->device, id->port_num)) {
case IB_LINK_LAYER_INFINIBAND:
ret = cma_resolve_ib_route(id_priv, timeout_ms);
break;
case IB_LINK_LAYER_ETHERNET:
ret = cma_resolve_iboe_route(id_priv);
break;
default:
ret = -ENOSYS;
}
break;
case RDMA_TRANSPORT_IWARP:
if (rdma_cap_ib_sa(id->device, id->port_num))
ret = cma_resolve_ib_route(id_priv, timeout_ms);
else if (rdma_protocol_roce(id->device, id->port_num))
ret = cma_resolve_iboe_route(id_priv);
else if (rdma_protocol_iwarp(id->device, id->port_num))
ret = cma_resolve_iw_route(id_priv, timeout_ms);
break;
default:
else
ret = -ENOSYS;
break;
}
if (ret)
goto err;
@ -2035,7 +2042,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv)
mutex_lock(&lock);
list_for_each_entry(cur_dev, &dev_list, list) {
if (cma_family(id_priv) == AF_IB &&
rdma_node_get_transport(cur_dev->device->node_type) != RDMA_TRANSPORT_IB)
!rdma_cap_ib_cm(cur_dev->device, 1))
continue;
if (!cma_dev)
@ -2067,7 +2074,7 @@ static int cma_bind_loopback(struct rdma_id_private *id_priv)
goto out;
id_priv->id.route.addr.dev_addr.dev_type =
(rdma_port_get_link_layer(cma_dev->device, p) == IB_LINK_LAYER_INFINIBAND) ?
(rdma_protocol_ib(cma_dev->device, p)) ?
ARPHRD_INFINIBAND : ARPHRD_ETHER;
rdma_addr_set_sgid(&id_priv->id.route.addr.dev_addr, &gid);
@ -2544,18 +2551,15 @@ int rdma_listen(struct rdma_cm_id *id, int backlog)
id_priv->backlog = backlog;
if (id->device) {
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, 1)) {
ret = cma_ib_listen(id_priv);
if (ret)
goto err;
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, 1)) {
ret = cma_iw_listen(id_priv, backlog);
if (ret)
goto err;
break;
default:
} else {
ret = -ENOSYS;
goto err;
}
@ -2891,20 +2895,15 @@ int rdma_connect(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_resolve_ib_udp(id_priv, conn_param);
else
ret = cma_connect_ib(id_priv, conn_param);
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, id->port_num))
ret = cma_connect_iw(id_priv, conn_param);
break;
default:
else
ret = -ENOSYS;
break;
}
if (ret)
goto err;
@ -3007,8 +3006,7 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
id_priv->srq = conn_param->srq;
}
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD) {
if (conn_param)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_SUCCESS,
@ -3024,14 +3022,10 @@ int rdma_accept(struct rdma_cm_id *id, struct rdma_conn_param *conn_param)
else
ret = cma_rep_recv(id_priv);
}
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, id->port_num))
ret = cma_accept_iw(id_priv, conn_param);
break;
default:
else
ret = -ENOSYS;
break;
}
if (ret)
goto reject;
@ -3075,8 +3069,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
if (!id_priv->cm_id.ib)
return -EINVAL;
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, id->port_num)) {
if (id->qp_type == IB_QPT_UD)
ret = cma_send_sidr_rep(id_priv, IB_SIDR_REJECT, 0,
private_data, private_data_len);
@ -3084,15 +3077,12 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data,
ret = ib_send_cm_rej(id_priv->cm_id.ib,
IB_CM_REJ_CONSUMER_DEFINED, NULL,
0, private_data, private_data_len);
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, id->port_num)) {
ret = iw_cm_reject(id_priv->cm_id.iw,
private_data, private_data_len);
break;
default:
} else
ret = -ENOSYS;
break;
}
return ret;
}
EXPORT_SYMBOL(rdma_reject);
@ -3106,22 +3096,18 @@ int rdma_disconnect(struct rdma_cm_id *id)
if (!id_priv->cm_id.ib)
return -EINVAL;
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
if (rdma_cap_ib_cm(id->device, id->port_num)) {
ret = cma_modify_qp_err(id_priv);
if (ret)
goto out;
/* Initiate or respond to a disconnect. */
if (ib_send_cm_dreq(id_priv->cm_id.ib, NULL, 0))
ib_send_cm_drep(id_priv->cm_id.ib, NULL, 0);
break;
case RDMA_TRANSPORT_IWARP:
} else if (rdma_cap_iw_cm(id->device, id->port_num)) {
ret = iw_cm_disconnect(id_priv->cm_id.iw, 0);
break;
default:
} else
ret = -EINVAL;
break;
}
out:
return ret;
}
@ -3367,24 +3353,13 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr,
list_add(&mc->list, &id_priv->mc_list);
spin_unlock(&id_priv->lock);
switch (rdma_node_get_transport(id->device->node_type)) {
case RDMA_TRANSPORT_IB:
switch (rdma_port_get_link_layer(id->device, id->port_num)) {
case IB_LINK_LAYER_INFINIBAND:
ret = cma_join_ib_multicast(id_priv, mc);
break;
case IB_LINK_LAYER_ETHERNET:
kref_init(&mc->mcref);
ret = cma_iboe_join_multicast(id_priv, mc);
break;
default:
ret = -EINVAL;
}
break;
default:
if (rdma_protocol_roce(id->device, id->port_num)) {
kref_init(&mc->mcref);
ret = cma_iboe_join_multicast(id_priv, mc);
} else if (rdma_cap_ib_mcast(id->device, id->port_num))
ret = cma_join_ib_multicast(id_priv, mc);
else
ret = -ENOSYS;
break;
}
if (ret) {
spin_lock_irq(&id_priv->lock);
@ -3412,19 +3387,15 @@ void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr)
ib_detach_mcast(id->qp,
&mc->multicast.ib->rec.mgid,
be16_to_cpu(mc->multicast.ib->rec.mlid));
if (rdma_node_get_transport(id_priv->cma_dev->device->node_type) == RDMA_TRANSPORT_IB) {
switch (rdma_port_get_link_layer(id->device, id->port_num)) {
case IB_LINK_LAYER_INFINIBAND:
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
break;
case IB_LINK_LAYER_ETHERNET:
kref_put(&mc->mcref, release_mc);
break;
default:
break;
}
}
BUG_ON(id_priv->cma_dev->device != id->device);
if (rdma_cap_ib_mcast(id->device, id->port_num)) {
ib_sa_free_multicast(mc->multicast.ib);
kfree(mc);
} else if (rdma_protocol_roce(id->device, id->port_num))
kref_put(&mc->mcref, release_mc);
return;
}
}

79
drivers/infiniband/core/device.c
View file

@ -92,7 +92,8 @@ static int ib_device_check_mandatory(struct ib_device *device)
IB_MANDATORY_FUNC(poll_cq),
IB_MANDATORY_FUNC(req_notify_cq),
IB_MANDATORY_FUNC(get_dma_mr),
IB_MANDATORY_FUNC(dereg_mr)
IB_MANDATORY_FUNC(dereg_mr),
IB_MANDATORY_FUNC(get_port_immutable)
};
int i;
@ -151,18 +152,6 @@ static int alloc_name(char *name)
return 0;
}
static int start_port(struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
}
static int end_port(struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ?
0 : device->phys_port_cnt;
}
/**
* ib_alloc_device - allocate an IB device struct
* @size:size of structure to allocate
@ -222,42 +211,38 @@ static int add_client_context(struct ib_device *device, struct ib_client *client
return 0;
}
static int read_port_table_lengths(struct ib_device *device)
static int read_port_immutable(struct ib_device *device)
{
struct ib_port_attr *tprops = NULL;
int num_ports, ret = -ENOMEM;
u8 port_index;
int ret = -ENOMEM;
u8 start_port = rdma_start_port(device);
u8 end_port = rdma_end_port(device);
u8 port;
tprops = kmalloc(sizeof *tprops, GFP_KERNEL);
if (!tprops)
goto out;
num_ports = end_port(device) - start_port(device) + 1;
device->pkey_tbl_len = kmalloc(sizeof *device->pkey_tbl_len * num_ports,
GFP_KERNEL);
device->gid_tbl_len = kmalloc(sizeof *device->gid_tbl_len * num_ports,
GFP_KERNEL);
if (!device->pkey_tbl_len || !device->gid_tbl_len)
/**
* device->port_immutable is indexed directly by the port number to make
* access to this data as efficient as possible.
*
* Therefore port_immutable is declared as a 1 based array with
* potential empty slots at the beginning.
*/
device->port_immutable = kzalloc(sizeof(*device->port_immutable)
* (end_port + 1),
GFP_KERNEL);
if (!device->port_immutable)
goto err;
for (port_index = 0; port_index < num_ports; ++port_index) {
ret = ib_query_port(device, port_index + start_port(device),
tprops);
for (port = start_port; port <= end_port; ++port) {
ret = device->get_port_immutable(device, port,
&device->port_immutable[port]);
if (ret)
goto err;
device->pkey_tbl_len[port_index] = tprops->pkey_tbl_len;
device->gid_tbl_len[port_index] = tprops->gid_tbl_len;
}
ret = 0;
goto out;
err:
kfree(device->gid_tbl_len);
kfree(device->pkey_tbl_len);
kfree(device->port_immutable);
out:
kfree(tprops);
return ret;
}
@ -294,9 +279,9 @@ int ib_register_device(struct ib_device *device,
spin_lock_init(&device->event_handler_lock);
spin_lock_init(&device->client_data_lock);
ret = read_port_table_lengths(device);
ret = read_port_immutable(device);
if (ret) {
printk(KERN_WARNING "Couldn't create table lengths cache for device %s\n",
printk(KERN_WARNING "Couldn't create per port immutable data %s\n",
device->name);
goto out;
}
@ -305,8 +290,7 @@ int ib_register_device(struct ib_device *device,
if (ret) {
printk(KERN_WARNING "Couldn't register device %s with driver model\n",
device->name);
kfree(device->gid_tbl_len);
kfree(device->pkey_tbl_len);
kfree(device->port_immutable);
goto out;
}
@ -348,9 +332,6 @@ void ib_unregister_device(struct ib_device *device)
list_del(&device->core_list);
kfree(device->gid_tbl_len);
kfree(device->pkey_tbl_len);
mutex_unlock(&device_mutex);
ib_device_unregister_sysfs(device);
@ -575,7 +556,7 @@ int ib_query_port(struct ib_device *device,
u8 port_num,
struct ib_port_attr *port_attr)
{
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
return device->query_port(device, port_num, port_attr);
@ -653,7 +634,7 @@ int ib_modify_port(struct ib_device *device,
if (!device->modify_port)
return -ENOSYS;
if (port_num < start_port(device) || port_num > end_port(device))
if (port_num < rdma_start_port(device) || port_num > rdma_end_port(device))
return -EINVAL;
return device->modify_port(device, port_num, port_modify_mask,
@ -676,8 +657,8 @@ int ib_find_gid(struct ib_device *device, union ib_gid *gid,
union ib_gid tmp_gid;
int ret, port, i;
for (port = start_port(device); port <= end_port(device); ++port) {
for (i = 0; i < device->gid_tbl_len[port - start_port(device)]; ++i) {
for (port = rdma_start_port(device); port <= rdma_end_port(device); ++port) {
for (i = 0; i < device->port_immutable[port].gid_tbl_len; ++i) {
ret = ib_query_gid(device, port, i, &tmp_gid);
if (ret)
return ret;
@ -709,7 +690,7 @@ int ib_find_pkey(struct ib_device *device,
u16 tmp_pkey;
int partial_ix = -1;
for (i = 0; i < device->pkey_tbl_len[port_num - start_port(device)]; ++i) {
for (i = 0; i < device->port_immutable[port_num].pkey_tbl_len; ++i) {
ret = ib_query_pkey(device, port_num, i, &tmp_pkey);
if (ret)
return ret;

102
drivers/infiniband/core/mad.c
View file

@ -179,12 +179,12 @@ static int is_vendor_method_in_use(
return 0;
}
int ib_response_mad(struct ib_mad *mad)
int ib_response_mad(const struct ib_mad_hdr *hdr)
{
return ((mad->mad_hdr.method & IB_MGMT_METHOD_RESP) ||
(mad->mad_hdr.method == IB_MGMT_METHOD_TRAP_REPRESS) ||
((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_BM) &&
(mad->mad_hdr.attr_mod & IB_BM_ATTR_MOD_RESP)));
return ((hdr->method & IB_MGMT_METHOD_RESP) ||
(hdr->method == IB_MGMT_METHOD_TRAP_REPRESS) ||
((hdr->mgmt_class == IB_MGMT_CLASS_BM) &&
(hdr->attr_mod & IB_BM_ATTR_MOD_RESP)));
}
EXPORT_SYMBOL(ib_response_mad);
@ -791,7 +791,7 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
switch (ret)
{
case IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY:
if (ib_response_mad(&mad_priv->mad.mad) &&
if (ib_response_mad(&mad_priv->mad.mad.mad_hdr) &&
mad_agent_priv->agent.recv_handler) {
local->mad_priv = mad_priv;
local->recv_mad_agent = mad_agent_priv;
@ -910,7 +910,7 @@ static int alloc_send_rmpp_list(struct ib_mad_send_wr_private *send_wr,
return 0;
}
int ib_mad_kernel_rmpp_agent(struct ib_mad_agent *agent)
int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent)
{
return agent->rmpp_version && !(agent->flags & IB_MAD_USER_RMPP);
}
@ -1628,7 +1628,7 @@ find_mad_agent(struct ib_mad_port_private *port_priv,
unsigned long flags;
spin_lock_irqsave(&port_priv->reg_lock, flags);
if (ib_response_mad(mad)) {
if (ib_response_mad(&mad->mad_hdr)) {
u32 hi_tid;
struct ib_mad_agent_private *entry;
@ -1708,20 +1708,20 @@ find_mad_agent(struct ib_mad_port_private *port_priv,
return mad_agent;
}
static int validate_mad(struct ib_mad *mad, u32 qp_num)
static int validate_mad(const struct ib_mad_hdr *mad_hdr, u32 qp_num)
{
int valid = 0;
/* Make sure MAD base version is understood */
if (mad->mad_hdr.base_version != IB_MGMT_BASE_VERSION) {
if (mad_hdr->base_version != IB_MGMT_BASE_VERSION) {
pr_err("MAD received with unsupported base version %d\n",
mad->mad_hdr.base_version);
mad_hdr->base_version);
goto out;
}
/* Filter SMI packets sent to other than QP0 */
if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED) ||
(mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
if ((mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED) ||
(mad_hdr->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)) {
if (qp_num == 0)
valid = 1;
} else {
@ -1734,8 +1734,8 @@ static int validate_mad(struct ib_mad *mad, u32 qp_num)
return valid;
}
static int is_data_mad(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_hdr *mad_hdr)
static int is_rmpp_data_mad(const struct ib_mad_agent_private *mad_agent_priv,
const struct ib_mad_hdr *mad_hdr)
{
struct ib_rmpp_mad *rmpp_mad;
@ -1747,16 +1747,16 @@ static int is_data_mad(struct ib_mad_agent_private *mad_agent_priv,
(rmpp_mad->rmpp_hdr.rmpp_type == IB_MGMT_RMPP_TYPE_DATA);
}
static inline int rcv_has_same_class(struct ib_mad_send_wr_private *wr,
struct ib_mad_recv_wc *rwc)
static inline int rcv_has_same_class(const struct ib_mad_send_wr_private *wr,
const struct ib_mad_recv_wc *rwc)
{
return ((struct ib_mad *)(wr->send_buf.mad))->mad_hdr.mgmt_class ==
return ((struct ib_mad_hdr *)(wr->send_buf.mad))->mgmt_class ==
rwc->recv_buf.mad->mad_hdr.mgmt_class;
}
static inline int rcv_has_same_gid(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_send_wr_private *wr,
struct ib_mad_recv_wc *rwc )
static inline int rcv_has_same_gid(const struct ib_mad_agent_private *mad_agent_priv,
const struct ib_mad_send_wr_private *wr,
const struct ib_mad_recv_wc *rwc )
{
struct ib_ah_attr attr;
u8 send_resp, rcv_resp;
@ -1765,8 +1765,8 @@ static inline int rcv_has_same_gid(struct ib_mad_agent_private *mad_agent_priv,
u8 port_num = mad_agent_priv->agent.port_num;
u8 lmc;
send_resp = ib_response_mad((struct ib_mad *)wr->send_buf.mad);
rcv_resp = ib_response_mad(rwc->recv_buf.mad);
send_resp = ib_response_mad((struct ib_mad_hdr *)wr->send_buf.mad);
rcv_resp = ib_response_mad(&rwc->recv_buf.mad->mad_hdr);
if (send_resp == rcv_resp)
/* both requests, or both responses. GIDs different */
@ -1811,8 +1811,8 @@ static inline int is_direct(u8 class)
}
struct ib_mad_send_wr_private*
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_recv_wc *wc)
ib_find_send_mad(const struct ib_mad_agent_private *mad_agent_priv,
const struct ib_mad_recv_wc *wc)
{
struct ib_mad_send_wr_private *wr;
struct ib_mad *mad;
@ -1836,7 +1836,7 @@ ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv,
* been notified that the send has completed
*/
list_for_each_entry(wr, &mad_agent_priv->send_list, agent_list) {
if (is_data_mad(mad_agent_priv, wr->send_buf.mad) &&
if (is_rmpp_data_mad(mad_agent_priv, wr->send_buf.mad) &&
wr->tid == mad->mad_hdr.tid &&
wr->timeout &&
rcv_has_same_class(wr, wc) &&
@ -1879,7 +1879,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
}
/* Complete corresponding request */
if (ib_response_mad(mad_recv_wc->recv_buf.mad)) {
if (ib_response_mad(&mad_recv_wc->recv_buf.mad->mad_hdr)) {
spin_lock_irqsave(&mad_agent_priv->lock, flags);
mad_send_wr = ib_find_send_mad(mad_agent_priv, mad_recv_wc);
if (!mad_send_wr) {
@ -1979,7 +1979,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
snoop_recv(qp_info, &recv->header.recv_wc, IB_MAD_SNOOP_RECVS);
/* Validate MAD */
if (!validate_mad(&recv->mad.mad, qp_info->qp->qp_num))
if (!validate_mad(&recv->mad.mad.mad_hdr, qp_info->qp->qp_num))
goto out;
response = kmem_cache_alloc(ib_mad_cache, GFP_KERNEL);
@ -2411,7 +2411,8 @@ find_send_wr(struct ib_mad_agent_private *mad_agent_priv,
list_for_each_entry(mad_send_wr, &mad_agent_priv->send_list,
agent_list) {
if (is_data_mad(mad_agent_priv, mad_send_wr->send_buf.mad) &&
if (is_rmpp_data_mad(mad_agent_priv,
mad_send_wr->send_buf.mad) &&
&mad_send_wr->send_buf == send_buf)
return mad_send_wr;
}
@ -2938,7 +2939,7 @@ static int ib_mad_port_open(struct ib_device *device,
init_mad_qp(port_priv, &port_priv->qp_info[1]);
cq_size = mad_sendq_size + mad_recvq_size;
has_smi = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_INFINIBAND;
has_smi = rdma_cap_ib_smi(device, port_num);
if (has_smi)
cq_size *= 2;
@ -3057,9 +3058,6 @@ static void ib_mad_init_device(struct ib_device *device)
{
int start, end, i;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
start = 0;
end = 0;
@ -3069,6 +3067,9 @@ static void ib_mad_init_device(struct ib_device *device)
}
for (i = start; i <= end; i++) {
if (!rdma_cap_ib_mad(device, i))
continue;
if (ib_mad_port_open(device, i)) {
dev_err(&device->dev, "Couldn't open port %d\n", i);
goto error;
@ -3086,40 +3087,39 @@ static void ib_mad_init_device(struct ib_device *device)
dev_err(&device->dev, "Couldn't close port %d\n", i);
error:
i--;
while (--i >= start) {
if (!rdma_cap_ib_mad(device, i))
continue;
while (i >= start) {
if (ib_agent_port_close(device, i))
dev_err(&device->dev,
"Couldn't close port %d for agents\n", i);
if (ib_mad_port_close(device, i))
dev_err(&device->dev, "Couldn't close port %d\n", i);
i--;
}
}
static void ib_mad_remove_device(struct ib_device *device)
{
int i, num_ports, cur_port;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
int start, end, i;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
num_ports = 1;
cur_port = 0;
start = 0;
end = 0;
} else {
num_ports = device->phys_port_cnt;
cur_port = 1;
start = 1;
end = device->phys_port_cnt;
}
for (i = 0; i < num_ports; i++, cur_port++) {
if (ib_agent_port_close(device, cur_port))
for (i = start; i <= end; i++) {
if (!rdma_cap_ib_mad(device, i))
continue;
if (ib_agent_port_close(device, i))
dev_err(&device->dev,
"Couldn't close port %d for agents\n",
cur_port);
if (ib_mad_port_close(device, cur_port))
dev_err(&device->dev, "Couldn't close port %d\n",
cur_port);
"Couldn't close port %d for agents\n", i);
if (ib_mad_port_close(device, i))
dev_err(&device->dev, "Couldn't close port %d\n", i);
}
}

4
drivers/infiniband/core/mad_priv.h
View file

@ -213,8 +213,8 @@ struct ib_mad_port_private {
int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr);
struct ib_mad_send_wr_private *
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_recv_wc *mad_recv_wc);
ib_find_send_mad(const struct ib_mad_agent_private *mad_agent_priv,
const struct ib_mad_recv_wc *mad_recv_wc);
void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
struct ib_mad_send_wc *mad_send_wc);

12
drivers/infiniband/core/multicast.c
View file

@ -780,8 +780,7 @@ static void mcast_event_handler(struct ib_event_handler *handler,
int index;
dev = container_of(handler, struct mcast_device, event_handler);
if (rdma_port_get_link_layer(dev->device, event->element.port_num) !=
IB_LINK_LAYER_INFINIBAND)
if (WARN_ON(!rdma_cap_ib_mcast(dev->device, event->element.port_num)))
return;
index = event->element.port_num - dev->start_port;
@ -808,9 +807,6 @@ static void mcast_add_one(struct ib_device *device)
int i;
int count = 0;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
dev = kmalloc(sizeof *dev + device->phys_port_cnt * sizeof *port,
GFP_KERNEL);
if (!dev)
@ -824,8 +820,7 @@ static void mcast_add_one(struct ib_device *device)
}
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
if (rdma_port_get_link_layer(device, dev->start_port + i) !=
IB_LINK_LAYER_INFINIBAND)
if (!rdma_cap_ib_mcast(device, dev->start_port + i))
continue;
port = &dev->port[i];
port->dev = dev;
@ -863,8 +858,7 @@ static void mcast_remove_one(struct ib_device *device)
flush_workqueue(mcast_wq);
for (i = 0; i <= dev->end_port - dev->start_port; i++) {
if (rdma_port_get_link_layer(device, dev->start_port + i) ==
IB_LINK_LAYER_INFINIBAND) {
if (rdma_cap_ib_mcast(device, dev->start_port + i)) {
port = &dev->port[i];
deref_port(port);
wait_for_completion(&port->comp);

30
drivers/infiniband/core/sa_query.c
View file

@ -450,7 +450,7 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
struct ib_sa_port *port =
&sa_dev->port[event->element.port_num - sa_dev->start_port];
if (rdma_port_get_link_layer(handler->device, port->port_num) != IB_LINK_LAYER_INFINIBAND)
if (WARN_ON(!rdma_cap_ib_sa(handler->device, port->port_num)))
return;
spin_lock_irqsave(&port->ah_lock, flags);
@ -540,7 +540,7 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
ah_attr->port_num = port_num;
ah_attr->static_rate = rec->rate;
force_grh = rdma_port_get_link_layer(device, port_num) == IB_LINK_LAYER_ETHERNET;
force_grh = rdma_cap_eth_ah(device, port_num);
if (rec->hop_limit > 1 || force_grh) {
ah_attr->ah_flags = IB_AH_GRH;
@ -1153,9 +1153,7 @@ static void ib_sa_add_one(struct ib_device *device)
{
struct ib_sa_device *sa_dev;
int s, e, i;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
int count = 0;
if (device->node_type == RDMA_NODE_IB_SWITCH)
s = e = 0;
@ -1175,7 +1173,7 @@ static void ib_sa_add_one(struct ib_device *device)
for (i = 0; i <= e - s; ++i) {
spin_lock_init(&sa_dev->port[i].ah_lock);
if (rdma_port_get_link_layer(device, i + 1) != IB_LINK_LAYER_INFINIBAND)
if (!rdma_cap_ib_sa(device, i + 1))
continue;
sa_dev->port[i].sm_ah = NULL;
@ -1189,8 +1187,13 @@ static void ib_sa_add_one(struct ib_device *device)
goto err;
INIT_WORK(&sa_dev->port[i].update_task, update_sm_ah);
count++;
}
if (!count)
goto free;
ib_set_client_data(device, &sa_client, sa_dev);
/*
@ -1204,19 +1207,20 @@ static void ib_sa_add_one(struct ib_device *device)
if (ib_register_event_handler(&sa_dev->event_handler))
goto err;
for (i = 0; i <= e - s; ++i)
if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
for (i = 0; i <= e - s; ++i) {
if (rdma_cap_ib_sa(device, i + 1))
update_sm_ah(&sa_dev->port[i].update_task);
}
return;
err:
while (--i >= 0)
if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND)
while (--i >= 0) {
if (rdma_cap_ib_sa(device, i + 1))
ib_unregister_mad_agent(sa_dev->port[i].agent);
}
free:
kfree(sa_dev);
return;
}
@ -1233,7 +1237,7 @@ static void ib_sa_remove_one(struct ib_device *device)
flush_workqueue(ib_wq);
for (i = 0; i <= sa_dev->end_port - sa_dev->start_port; ++i) {
if (rdma_port_get_link_layer(device, i + 1) == IB_LINK_LAYER_INFINIBAND) {
if (rdma_cap_ib_sa(device, i + 1)) {
ib_unregister_mad_agent(sa_dev->port[i].agent);
if (sa_dev->port[i].sm_ah)
kref_put(&sa_dev->port[i].sm_ah->ref, free_sm_ah);

4
drivers/infiniband/core/smi.c
View file

@ -41,7 +41,7 @@
/*
* Fixup a directed route SMP for sending
* Return 0 if the SMP should be discarded
* 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)
@ -126,7 +126,7 @@ enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
/*
* Adjust information for a received SMP
* Return 0 if the SMP should be dropped
* 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,
int port_num, int phys_port_cnt)

1
drivers/infiniband/core/sysfs.c
View file

@ -456,6 +456,7 @@ static void ib_device_release(struct device *device)
{
struct ib_device *dev = container_of(device, struct ib_device, dev);
kfree(dev->port_immutable);
kfree(dev);
}

3
drivers/infiniband/core/ucm.c
View file

@ -1253,8 +1253,7 @@ static void ib_ucm_add_one(struct ib_device *device)
dev_t base;
struct ib_ucm_device *ucm_dev;
if (!device->alloc_ucontext ||
rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
if (!device->alloc_ucontext || !rdma_cap_ib_cm(device, 1))
return;
ucm_dev = kzalloc(sizeof *ucm_dev, GFP_KERNEL);

25
drivers/infiniband/core/ucma.c
View file

@ -722,26 +722,13 @@ static ssize_t ucma_query_route(struct ucma_file *file,
resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num;
switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
case RDMA_TRANSPORT_IB:
switch (rdma_port_get_link_layer(ctx->cm_id->device,
ctx->cm_id->port_num)) {
case IB_LINK_LAYER_INFINIBAND:
ucma_copy_ib_route(&resp, &ctx->cm_id->route);
break;
case IB_LINK_LAYER_ETHERNET:
ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
break;
default:
break;
}
break;
case RDMA_TRANSPORT_IWARP:
if (rdma_cap_ib_sa(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_ib_route(&resp, &ctx->cm_id->route);
else if (rdma_protocol_roce(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iboe_route(&resp, &ctx->cm_id->route);
else if (rdma_protocol_iwarp(ctx->cm_id->device, ctx->cm_id->port_num))
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
break;
default:
break;
}
out:
if (copy_to_user((void __user *)(unsigned long)cmd.response,

44
drivers/infiniband/core/user_mad.c
View file

@ -99,7 +99,6 @@ struct ib_umad_port {
};
struct ib_umad_device {
int start_port, end_port;
struct kobject kobj;
struct ib_umad_port port[0];
};
@ -426,11 +425,11 @@ static int is_duplicate(struct ib_umad_file *file,
* the same TID, reject the second as a duplicate. This is more
* restrictive than required by the spec.
*/
if (!ib_response_mad((struct ib_mad *) hdr)) {
if (!ib_response_mad((struct ib_mad *) sent_hdr))
if (!ib_response_mad(hdr)) {
if (!ib_response_mad(sent_hdr))
return 1;
continue;
} else if (!ib_response_mad((struct ib_mad *) sent_hdr))
} else if (!ib_response_mad(sent_hdr))
continue;
if (same_destination(&packet->mad.hdr, &sent_packet->mad.hdr))
@ -1273,16 +1272,10 @@ static void ib_umad_add_one(struct ib_device *device)
{
struct ib_umad_device *umad_dev;
int s, e, i;
int count = 0;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
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);
umad_dev = kzalloc(sizeof *umad_dev +
(e - s + 1) * sizeof (struct ib_umad_port),
@ -1292,25 +1285,34 @@ static void ib_umad_add_one(struct ib_device *device)
kobject_init(&umad_dev->kobj, &ib_umad_dev_ktype);
umad_dev->start_port = s;
umad_dev->end_port = e;
for (i = s; i <= e; ++i) {
if (!rdma_cap_ib_mad(device, i))
continue;
umad_dev->port[i - s].umad_dev = umad_dev;
if (ib_umad_init_port(device, i, umad_dev,
&umad_dev->port[i - s]))
goto err;
count++;
}
if (!count)
goto free;
ib_set_client_data(device, &umad_client, umad_dev);
return;
err:
while (--i >= s)
ib_umad_kill_port(&umad_dev->port[i - s]);
while (--i >= s) {
if (!rdma_cap_ib_mad(device, i))
continue;
ib_umad_kill_port(&umad_dev->port[i - s]);
}
free:
kobject_put(&umad_dev->kobj);
}
@ -1322,8 +1324,10 @@ static void ib_umad_remove_one(struct ib_device *device)
if (!umad_dev)
return;
for (i = 0; i <= umad_dev->end_port - umad_dev->start_port; ++i)
ib_umad_kill_port(&umad_dev->port[i]);
for (i = 0; i <= rdma_end_port(device) - rdma_start_port(device); ++i) {
if (rdma_cap_ib_mad(device, i + rdma_start_port(device)))
ib_umad_kill_port(&umad_dev->port[i]);
}
kobject_put(&umad_dev->kobj);
}

71
drivers/infiniband/core/verbs.c
View file

@ -48,6 +48,71 @@
#include "core_priv.h"
static const char * const ib_events[] = {
[IB_EVENT_CQ_ERR] = "CQ error",
[IB_EVENT_QP_FATAL] = "QP fatal error",
[IB_EVENT_QP_REQ_ERR] = "QP request error",
[IB_EVENT_QP_ACCESS_ERR] = "QP access error",
[IB_EVENT_COMM_EST] = "communication established",
[IB_EVENT_SQ_DRAINED] = "send queue drained",
[IB_EVENT_PATH_MIG] = "path migration successful",
[IB_EVENT_PATH_MIG_ERR] = "path migration error",
[IB_EVENT_DEVICE_FATAL] = "device fatal error",
[IB_EVENT_PORT_ACTIVE] = "port active",
[IB_EVENT_PORT_ERR] = "port error",
[IB_EVENT_LID_CHANGE] = "LID change",
[IB_EVENT_PKEY_CHANGE] = "P_key change",
[IB_EVENT_SM_CHANGE] = "SM change",
[IB_EVENT_SRQ_ERR] = "SRQ error",
[IB_EVENT_SRQ_LIMIT_REACHED] = "SRQ limit reached",
[IB_EVENT_QP_LAST_WQE_REACHED] = "last WQE reached",
[IB_EVENT_CLIENT_REREGISTER] = "client reregister",
[IB_EVENT_GID_CHANGE] = "GID changed",
};
const char *ib_event_msg(enum ib_event_type event)
{
size_t index = event;
return (index < ARRAY_SIZE(ib_events) && ib_events[index]) ?
ib_events[index] : "unrecognized event";
}
EXPORT_SYMBOL(ib_event_msg);
static const char * const wc_statuses[] = {
[IB_WC_SUCCESS] = "success",
[IB_WC_LOC_LEN_ERR] = "local length error",
[IB_WC_LOC_QP_OP_ERR] = "local QP operation error",
[IB_WC_LOC_EEC_OP_ERR] = "local EE context operation error",
[IB_WC_LOC_PROT_ERR] = "local protection error",
[IB_WC_WR_FLUSH_ERR] = "WR flushed",
[IB_WC_MW_BIND_ERR] = "memory management operation error",
[IB_WC_BAD_RESP_ERR] = "bad response error",
[IB_WC_LOC_ACCESS_ERR] = "local access error",
[IB_WC_REM_INV_REQ_ERR] = "invalid request error",
[IB_WC_REM_ACCESS_ERR] = "remote access error",
[IB_WC_REM_OP_ERR] = "remote operation error",
[IB_WC_RETRY_EXC_ERR] = "transport retry counter exceeded",
[IB_WC_RNR_RETRY_EXC_ERR] = "RNR retry counter exceeded",
[IB_WC_LOC_RDD_VIOL_ERR] = "local RDD violation error",
[IB_WC_REM_INV_RD_REQ_ERR] = "remote invalid RD request",
[IB_WC_REM_ABORT_ERR] = "operation aborted",
[IB_WC_INV_EECN_ERR] = "invalid EE context number",
[IB_WC_INV_EEC_STATE_ERR] = "invalid EE context state",
[IB_WC_FATAL_ERR] = "fatal error",
[IB_WC_RESP_TIMEOUT_ERR] = "response timeout error",
[IB_WC_GENERAL_ERR] = "general error",
};
const char *ib_wc_status_msg(enum ib_wc_status status)
{
size_t index = status;
return (index < ARRAY_SIZE(wc_statuses) && wc_statuses[index]) ?
wc_statuses[index] : "unrecognized status";
}
EXPORT_SYMBOL(ib_wc_status_msg);
__attribute_const__ int ib_rate_to_mult(enum ib_rate rate)
{
switch (rate) {
@ -198,11 +263,9 @@ int ib_init_ah_from_wc(struct ib_device *device, u8 port_num, struct ib_wc *wc,
u32 flow_class;
u16 gid_index;
int ret;
int is_eth = (rdma_port_get_link_layer(device, port_num) ==
IB_LINK_LAYER_ETHERNET);
memset(ah_attr, 0, sizeof *ah_attr);
if (is_eth) {
if (rdma_cap_eth_ah(device, port_num)) {
if (!(wc->wc_flags & IB_WC_GRH))
return -EPROTOTYPE;
@ -871,7 +934,7 @@ int ib_resolve_eth_l2_attrs(struct ib_qp *qp,
union ib_gid sgid;
if ((*qp_attr_mask & IB_QP_AV) &&
(rdma_port_get_link_layer(qp->device, qp_attr->ah_attr.port_num) == IB_LINK_LAYER_ETHERNET)) {
(rdma_cap_eth_ah(qp->device, qp_attr->ah_attr.port_num))) {
ret = ib_query_gid(qp->device, qp_attr->ah_attr.port_num,
qp_attr->ah_attr.grh.sgid_index, &sgid);
if (ret)

18
drivers/infiniband/hw/amso1100/c2_provider.c
View file

@ -757,6 +757,23 @@ static struct net_device *c2_pseudo_netdev_init(struct c2_dev *c2dev)
return netdev;
}
static int c2_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = c2_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
return 0;
}
int c2_register_device(struct c2_dev *dev)
{
int ret = -ENOMEM;
@ -820,6 +837,7 @@ int c2_register_device(struct c2_dev *dev)
dev->ibdev.reg_phys_mr = c2_reg_phys_mr;
dev->ibdev.reg_user_mr = c2_reg_user_mr;
dev->ibdev.dereg_mr = c2_dereg_mr;
dev->ibdev.get_port_immutable = c2_port_immutable;
dev->ibdev.alloc_fmr = NULL;
dev->ibdev.unmap_fmr = NULL;

18
drivers/infiniband/hw/cxgb3/iwch_provider.c
View file

@ -1343,6 +1343,23 @@ static struct device_attribute *iwch_class_attributes[] = {
&dev_attr_board_id,
};
static int iwch_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = iwch_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
return 0;
}
int iwch_register_device(struct iwch_dev *dev)
{
int ret;
@ -1420,6 +1437,7 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.post_recv = iwch_post_receive;
dev->ibdev.get_protocol_stats = iwch_get_mib;
dev->ibdev.uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION;
dev->ibdev.get_port_immutable = iwch_port_immutable;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)

18
drivers/infiniband/hw/cxgb4/provider.c
View file

@ -465,6 +465,23 @@ static struct device_attribute *c4iw_class_attributes[] = {
&dev_attr_board_id,
};
static int c4iw_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = c4iw_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
return 0;
}
int c4iw_register_device(struct c4iw_dev *dev)
{
int ret;
@ -542,6 +559,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
dev->ibdev.post_recv = c4iw_post_receive;
dev->ibdev.get_protocol_stats = c4iw_get_mib;
dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
dev->ibdev.get_port_immutable = c4iw_port_immutable;
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)

3
drivers/infiniband/hw/ehca/ehca_iverbs.h
View file

@ -49,6 +49,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
enum rdma_protocol_type
ehca_query_protocol(struct ib_device *device, u8 port_num);
int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
struct ehca_sma_attr *attr);

18
drivers/infiniband/hw/ehca/ehca_main.c
View file

@ -431,6 +431,23 @@ static int init_node_guid(struct ehca_shca *shca)
return ret;
}
static int ehca_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = ehca_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
return 0;
}
static int ehca_init_device(struct ehca_shca *shca)
{
int ret;
@ -510,6 +527,7 @@ static int ehca_init_device(struct ehca_shca *shca)
shca->ib_device.process_mad = ehca_process_mad;
shca->ib_device.mmap = ehca_mmap;
shca->ib_device.dma_ops = &ehca_dma_mapping_ops;
shca->ib_device.get_port_immutable = ehca_port_immutable;
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
shca->ib_device.uverbs_cmd_mask |=

18
drivers/infiniband/hw/ipath/ipath_verbs.c
View file

@ -1980,6 +1980,23 @@ static int disable_timer(struct ipath_devdata *dd)
return 0;
}
static int ipath_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = ipath_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
return 0;
}
/**
* ipath_register_ib_device - register our device with the infiniband core
* @dd: the device data structure
@ -2179,6 +2196,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
dev->process_mad = ipath_process_mad;
dev->mmap = ipath_mmap;
dev->dma_ops = &ipath_dma_mapping_ops;
dev->get_port_immutable = ipath_port_immutable;
snprintf(dev->node_desc, sizeof(dev->node_desc),
IPATH_IDSTR " %s", init_utsname()->nodename);

22
drivers/infiniband/hw/mlx4/main.c
View file

@ -2114,6 +2114,27 @@ static void mlx4_ib_free_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
kfree(ibdev->eq_table);
}
static int mlx4_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = mlx4_ib_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
if (mlx4_ib_port_link_layer(ibdev, port_num) == IB_LINK_LAYER_INFINIBAND)
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
else
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
return 0;
}
static void *mlx4_ib_add(struct mlx4_dev *dev)
{
struct mlx4_ib_dev *ibdev;
@ -2241,6 +2262,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
ibdev->ib_dev.get_port_immutable = mlx4_port_immutable;
if (!mlx4_is_slave(ibdev->dev)) {
ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc;

18
drivers/infiniband/hw/mlx5/main.c
View file

@ -1182,6 +1182,23 @@ static void destroy_dev_resources(struct mlx5_ib_resources *devr)
mlx5_ib_dealloc_pd(devr->p0);
}
static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = mlx5_ib_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
return 0;
}
static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
{
struct mlx5_ib_dev *dev;
@ -1285,6 +1302,7 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
dev->ib_dev.alloc_fast_reg_page_list = mlx5_ib_alloc_fast_reg_page_list;
dev->ib_dev.free_fast_reg_page_list = mlx5_ib_free_fast_reg_page_list;
dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status;
dev->ib_dev.get_port_immutable = mlx5_port_immutable;
mlx5_ib_internal_query_odp_caps(dev);

18
drivers/infiniband/hw/mthca/mthca_provider.c
View file

@ -1244,6 +1244,23 @@ static int mthca_init_node_data(struct mthca_dev *dev)
return err;
}
static int mthca_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = mthca_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
return 0;
}
int mthca_register_device(struct mthca_dev *dev)
{
int ret;
@ -1323,6 +1340,7 @@ int mthca_register_device(struct mthca_dev *dev)
dev->ib_dev.reg_phys_mr = mthca_reg_phys_mr;
dev->ib_dev.reg_user_mr = mthca_reg_user_mr;
dev->ib_dev.dereg_mr = mthca_dereg_mr;
dev->ib_dev.get_port_immutable = mthca_port_immutable;
if (dev->mthca_flags & MTHCA_FLAG_FMR) {
dev->ib_dev.alloc_fmr = mthca_alloc_fmr;

18
drivers/infiniband/hw/nes/nes_verbs.c
View file

@ -606,7 +606,6 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr
return 0;
}
/**
* nes_query_pkey
*/
@ -3828,6 +3827,22 @@ static int nes_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_
return 0;
}
static int nes_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = nes_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
return 0;
}
/**
* nes_init_ofa_device
@ -3928,6 +3943,7 @@ struct nes_ib_device *nes_init_ofa_device(struct net_device *netdev)
nesibdev->ibdev.iwcm->reject = nes_reject;
nesibdev->ibdev.iwcm->create_listen = nes_create_listen;
nesibdev->ibdev.iwcm->destroy_listen = nes_destroy_listen;
nesibdev->ibdev.get_port_immutable = nes_port_immutable;
return nesibdev;
}

18
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View file

@ -202,6 +202,23 @@ static enum rdma_link_layer ocrdma_link_layer(struct ib_device *device,
return IB_LINK_LAYER_ETHERNET;
}
static int ocrdma_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = ocrdma_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE;
return 0;
}
static int ocrdma_register_device(struct ocrdma_dev *dev)
{
strlcpy(dev->ibdev.name, "ocrdma%d", IB_DEVICE_NAME_MAX);
@ -286,6 +303,7 @@ static int ocrdma_register_device(struct ocrdma_dev *dev)
dev->ibdev.dma_device = &dev->nic_info.pdev->dev;
dev->ibdev.process_mad = ocrdma_process_mad;
dev->ibdev.get_port_immutable = ocrdma_port_immutable;
if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) {
dev->ibdev.uverbs_cmd_mask |=

3
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View file

@ -41,6 +41,9 @@ int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
struct ib_port_modify *props);
enum rdma_protocol_type
ocrdma_query_protocol(struct ib_device *device, u8 port_num);
void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
int ocrdma_query_gid(struct ib_device *, u8 port,
int index, union ib_gid *gid);

18
drivers/infiniband/hw/qib/qib_verbs.c
View file

@ -2040,6 +2040,23 @@ static void init_ibport(struct qib_pportdata *ppd)
RCU_INIT_POINTER(ibp->qp1, NULL);
}
static int qib_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = qib_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
immutable->core_cap_flags = RDMA_CORE_PORT_IBA_IB;
return 0;
}
/**
* qib_register_ib_device - register our device with the infiniband core
* @dd: the device data structure
@ -2227,6 +2244,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
ibdev->process_mad = qib_process_mad;
ibdev->mmap = qib_mmap;
ibdev->dma_ops = &qib_dma_mapping_ops;
ibdev->get_port_immutable = qib_port_immutable;
snprintf(ibdev->node_desc, sizeof(ibdev->node_desc),
"Intel Infiniband HCA %s", init_utsname()->nodename);

17
drivers/infiniband/hw/usnic/usnic_ib_main.c
View file

@ -300,6 +300,22 @@ static struct notifier_block usnic_ib_inetaddr_notifier = {
};
/* End of inet section*/
static int usnic_port_immutable(struct ib_device *ibdev, u8 port_num,
struct ib_port_immutable *immutable)
{
struct ib_port_attr attr;
int err;
err = usnic_ib_query_port(ibdev, port_num, &attr);
if (err)
return err;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
return 0;
}
/* Start of PF discovery section */
static void *usnic_ib_device_add(struct pci_dev *dev)
{
@ -383,6 +399,7 @@ static void *usnic_ib_device_add(struct pci_dev *dev)
us_ibdev->ib_dev.poll_cq = usnic_ib_poll_cq;
us_ibdev->ib_dev.req_notify_cq = usnic_ib_req_notify_cq;
us_ibdev->ib_dev.get_dma_mr = usnic_ib_get_dma_mr;
us_ibdev->ib_dev.get_port_immutable = usnic_port_immutable;
if (ib_register_device(&us_ibdev->ib_dev, NULL))

2
drivers/infiniband/hw/usnic/usnic_ib_verbs.h
View file

@ -27,6 +27,8 @@ int usnic_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props);
int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
enum rdma_protocol_type
usnic_ib_query_protocol(struct ib_device *device, u8 port_num);
int usnic_ib_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr);

15
drivers/infiniband/ulp/ipoib/ipoib_main.c
View file

@ -1685,9 +1685,7 @@ static void ipoib_add_one(struct ib_device *device)
struct net_device *dev;
struct ipoib_dev_priv *priv;
int s, e, p;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
int count = 0;
dev_list = kmalloc(sizeof *dev_list, GFP_KERNEL);
if (!dev_list)
@ -1704,15 +1702,21 @@ static void ipoib_add_one(struct ib_device *device)
}
for (p = s; p <= e; ++p) {
if (rdma_port_get_link_layer(device, p) != IB_LINK_LAYER_INFINIBAND)
if (!rdma_protocol_ib(device, p))
continue;
dev = ipoib_add_port("ib%d", device, p);
if (!IS_ERR(dev)) {
priv = netdev_priv(dev);
list_add_tail(&priv->list, dev_list);
count++;
}
}
if (!count) {
kfree(dev_list);
return;
}
ib_set_client_data(device, &ipoib_client, dev_list);
}
@ -1721,9 +1725,6 @@ static void ipoib_remove_one(struct ib_device *device)
struct ipoib_dev_priv *priv, *tmp;
struct list_head *dev_list;
if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
return;
dev_list = ib_get_client_data(device, &ipoib_client);
if (!dev_list)
return;

28
drivers/infiniband/ulp/iser/iser_verbs.c
View file

@ -51,19 +51,22 @@ static void iser_cq_callback(struct ib_cq *cq, void *cq_context);
static void iser_cq_event_callback(struct ib_event *cause, void *context)
{
iser_err("got cq event %d \n", cause->event);
iser_err("cq event %s (%d)\n",
ib_event_msg(cause->event), cause->event);
}
static void iser_qp_event_callback(struct ib_event *cause, void *context)
{
iser_err("got qp event %d\n",cause->event);
iser_err("qp event %s (%d)\n",
ib_event_msg(cause->event), cause->event);
}
static void iser_event_handler(struct ib_event_handler *handler,
struct ib_event *event)
{
iser_err("async event %d on device %s port %d\n", event->event,
event->device->name, event->element.port_num);
iser_err("async event %s (%d) on device %s port %d\n",
ib_event_msg(event->event), event->event,
event->device->name, event->element.port_num);
}
/**
@ -873,8 +876,9 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
int ret = 0;
iser_conn = (struct iser_conn *)cma_id->context;
iser_info("event %d status %d conn %p id %p\n",
event->event, event->status, cma_id->context, cma_id);
iser_info("%s (%d): status %d conn %p id %p\n",
rdma_event_msg(event->event), event->event,
event->status, cma_id->context, cma_id);
mutex_lock(&iser_conn->state_mutex);
switch (event->event) {
@ -913,7 +917,8 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
}
break;
default:
iser_err("Unexpected RDMA CM event (%d)\n", event->event);
iser_err("Unexpected RDMA CM event: %s (%d)\n",
rdma_event_msg(event->event), event->event);
break;
}
mutex_unlock(&iser_conn->state_mutex);
@ -1173,10 +1178,13 @@ static void iser_handle_wc(struct ib_wc *wc)
}
} else {
if (wc->status != IB_WC_WR_FLUSH_ERR)
iser_err("wr id %llx status %d vend_err %x\n",
wc->wr_id, wc->status, wc->vendor_err);
iser_err("%s (%d): wr id %llx vend_err %x\n",
ib_wc_status_msg(wc->status), wc->status,
wc->wr_id, wc->vendor_err);
else
iser_dbg("flush error: wr id %llx\n", wc->wr_id);
iser_dbg("%s (%d): wr id %llx\n",
ib_wc_status_msg(wc->status), wc->status,
wc->wr_id);
if (wc->wr_id == ISER_BEACON_WRID)
/* all flush errors were consumed */

19
drivers/infiniband/ulp/isert/ib_isert.c
View file

@ -78,7 +78,9 @@ isert_qp_event_callback(struct ib_event *e, void *context)
{
struct isert_conn *isert_conn = context;
isert_err("conn %p event: %d\n", isert_conn, e->event);
isert_err("%s (%d): conn %p\n",
ib_event_msg(e->event), e->event, isert_conn);
switch (e->event) {
case IB_EVENT_COMM_EST:
rdma_notify(isert_conn->cm_id, IB_EVENT_COMM_EST);
@ -897,7 +899,8 @@ static int
isert_np_cma_handler(struct isert_np *isert_np,
enum rdma_cm_event_type event)
{
isert_dbg("isert np %p, handling event %d\n", isert_np, event);
isert_dbg("%s (%d): isert np %p\n",
rdma_event_msg(event), event, isert_np);
switch (event) {
case RDMA_CM_EVENT_DEVICE_REMOVAL:
@ -957,7 +960,8 @@ isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
int ret = 0;
isert_info("event %d status %d id %p np %p\n", event->event,
isert_info("%s (%d): status %d id %p np %p\n",
rdma_event_msg(event->event), event->event,
event->status, cma_id, cma_id->context);
switch (event->event) {
@ -2091,10 +2095,13 @@ isert_handle_wc(struct ib_wc *wc)
}
} else {
if (wc->status != IB_WC_WR_FLUSH_ERR)
isert_err("wr id %llx status %d vend_err %x\n",
wc->wr_id, wc->status, wc->vendor_err);
isert_err("%s (%d): wr id %llx vend_err %x\n",
ib_wc_status_msg(wc->status), wc->status,
wc->wr_id, wc->vendor_err);
else
isert_dbg("flush error: wr id %llx\n", wc->wr_id);
isert_dbg("%s (%d): wr id %llx\n",
ib_wc_status_msg(wc->status), wc->status,
wc->wr_id);
if (wc->wr_id != ISER_FASTREG_LI_WRID)
isert_cq_comp_err(isert_conn, wc);

16
drivers/infiniband/ulp/srp/ib_srp.c
View file

@ -254,7 +254,8 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu)
static void srp_qp_event(struct ib_event *event, void *context)
{
pr_debug("QP event %d\n", event->event);
pr_debug("QP event %s (%d)\n",
ib_event_msg(event->event), event->event);
}
static int srp_init_qp(struct srp_target_port *target,
@ -1922,17 +1923,18 @@ static void srp_handle_qp_err(u64 wr_id, enum ib_wc_status wc_status,
if (ch->connected && !target->qp_in_error) {
if (wr_id & LOCAL_INV_WR_ID_MASK) {
shost_printk(KERN_ERR, target->scsi_host, PFX
"LOCAL_INV failed with status %d\n",
wc_status);
"LOCAL_INV failed with status %s (%d)\n",
ib_wc_status_msg(wc_status), wc_status);
} else if (wr_id & FAST_REG_WR_ID_MASK) {
shost_printk(KERN_ERR, target->scsi_host, PFX
"FAST_REG_MR failed status %d\n",
wc_status);
"FAST_REG_MR failed status %s (%d)\n",
ib_wc_status_msg(wc_status), wc_status);
} else {
shost_printk(KERN_ERR, target->scsi_host,
PFX "failed %s status %d for iu %p\n",
PFX "failed %s status %s (%d) for iu %p\n",
send_err ? "send" : "receive",
wc_status, (void *)(uintptr_t)wr_id);
ib_wc_status_msg(wc_status), wc_status,
(void *)(uintptr_t)wr_id);
}
queue_work(system_long_wq, &target->tl_err_work);
}

4
include/rdma/ib_mad.h
View file

@ -263,7 +263,7 @@ struct ib_mad_send_buf {
* ib_response_mad - Returns if the specified MAD has been generated in
* response to a sent request or trap.
*/
int ib_response_mad(struct ib_mad *mad);
int ib_response_mad(const struct ib_mad_hdr *hdr);
/**
* ib_get_rmpp_resptime - Returns the RMPP response time.
@ -675,6 +675,6 @@ void ib_free_send_mad(struct ib_mad_send_buf *send_buf);
* @agent: the agent in question
* @return: true if agent is performing rmpp, false otherwise.
*/
int ib_mad_kernel_rmpp_agent(struct ib_mad_agent *agent);
int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent);
#endif /* IB_MAD_H */

301
include/rdma/ib_verbs.h
View file

@ -81,6 +81,13 @@ enum rdma_transport_type {
RDMA_TRANSPORT_USNIC_UDP
};
enum rdma_protocol_type {
RDMA_PROTOCOL_IB,
RDMA_PROTOCOL_IBOE,
RDMA_PROTOCOL_IWARP,
RDMA_PROTOCOL_USNIC_UDP
};
__attribute_const__ enum rdma_transport_type
rdma_node_get_transport(enum rdma_node_type node_type);
@ -346,6 +353,40 @@ union rdma_protocol_stats {
struct iw_protocol_stats iw;
};
/* Define bits for the various functionality this port needs to be supported by
* the core.
*/
/* Management 0x00000FFF */
#define RDMA_CORE_CAP_IB_MAD 0x00000001
#define RDMA_CORE_CAP_IB_SMI 0x00000002
#define RDMA_CORE_CAP_IB_CM 0x00000004
#define RDMA_CORE_CAP_IW_CM 0x00000008
#define RDMA_CORE_CAP_IB_SA 0x00000010
/* Address format 0x000FF000 */
#define RDMA_CORE_CAP_AF_IB 0x00001000
#define RDMA_CORE_CAP_ETH_AH 0x00002000
/* Protocol 0xFFF00000 */
#define RDMA_CORE_CAP_PROT_IB 0x00100000
#define RDMA_CORE_CAP_PROT_ROCE 0x00200000
#define RDMA_CORE_CAP_PROT_IWARP 0x00400000
#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_SMI \
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_IB_SA \
| RDMA_CORE_CAP_AF_IB)
#define RDMA_CORE_PORT_IBA_ROCE (RDMA_CORE_CAP_PROT_ROCE \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_IB_SA \
| RDMA_CORE_CAP_AF_IB \
| RDMA_CORE_CAP_ETH_AH)
#define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \
| RDMA_CORE_CAP_IW_CM)
struct ib_port_attr {
enum ib_port_state state;
enum ib_mtu max_mtu;
@ -412,6 +453,8 @@ enum ib_event_type {
IB_EVENT_GID_CHANGE,
};
__attribute_const__ const char *ib_event_msg(enum ib_event_type event);
struct ib_event {
struct ib_device *device;
union {
@ -663,6 +706,8 @@ enum ib_wc_status {
IB_WC_GENERAL_ERR
};
__attribute_const__ const char *ib_wc_status_msg(enum ib_wc_status status);
enum ib_wc_opcode {
IB_WC_SEND,
IB_WC_RDMA_WRITE,
@ -1474,6 +1519,12 @@ struct ib_dma_mapping_ops {
struct iw_cm_verbs;
struct ib_port_immutable {
int pkey_tbl_len;
int gid_tbl_len;
u32 core_cap_flags;
};
struct ib_device {
struct device *dma_device;
@ -1487,8 +1538,10 @@ struct ib_device {
struct list_head client_data_list;
struct ib_cache cache;
int *pkey_tbl_len;
int *gid_tbl_len;
/**
* port_immutable is indexed by port number
*/
struct ib_port_immutable *port_immutable;
int num_comp_vectors;
@ -1675,6 +1728,14 @@ struct ib_device {
u32 local_dma_lkey;
u8 node_type;
u8 phys_port_cnt;
/**
* The following mandatory functions are used only at device
* registration. Keep functions such as these at the end of this
* structure to avoid cache line misses when accessing struct ib_device
* in fast paths.
*/
int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
};
struct ib_client {
@ -1743,6 +1804,242 @@ 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_start_port - Return the first valid port number for the device
* specified
*
* @device: Device to be checked
*
* Return start port number
*/
static inline u8 rdma_start_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ? 0 : 1;
}
/**
* rdma_end_port - Return the last valid port number for the device
* specified
*
* @device: Device to be checked
*
* Return last port number
*/
static inline u8 rdma_end_port(const struct ib_device *device)
{
return (device->node_type == RDMA_NODE_IB_SWITCH) ?
0 : device->phys_port_cnt;
}
static inline bool rdma_protocol_ib(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IB;
}
static inline bool rdma_protocol_roce(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE;
}
static inline bool rdma_protocol_iwarp(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP;
}
static inline bool rdma_ib_or_roce(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags &
(RDMA_CORE_CAP_PROT_IB | RDMA_CORE_CAP_PROT_ROCE);
}
/**
* rdma_cap_ib_mad - Check if the port of a device supports Infiniband
* Management Datagrams.
* @device: Device to check
* @port_num: Port number to check
*
* Management Datagrams (MAD) are a required part of the InfiniBand
* specification and are supported on all InfiniBand devices. A slightly
* extended version are also supported on OPA interfaces.
*
* Return: true if the port supports sending/receiving of MAD packets.
*/
static inline bool rdma_cap_ib_mad(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_MAD;
}
/**
* rdma_cap_ib_smi - Check if the port of a device provides an Infiniband
* Subnet Management Agent (SMA) on the Subnet Management Interface (SMI).
* @device: Device to check
* @port_num: Port number to check
*
* Each InfiniBand node is required to provide a Subnet Management Agent
* that the subnet manager can access. Prior to the fabric being fully
* configured by the subnet manager, the SMA is accessed via a well known
* interface called the Subnet Management Interface (SMI). This interface
* uses directed route packets to communicate with the SM to get around the
* chicken and egg problem of the SM needing to know what's on the fabric
* in order to configure the fabric, and needing to configure the fabric in
* order to send packets to the devices on the fabric. These directed
* route packets do not need the fabric fully configured in order to reach
* their destination. The SMI is the only method allowed to send
* directed route packets on an InfiniBand fabric.
*
* Return: true if the port provides an SMI.
*/
static inline bool rdma_cap_ib_smi(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_SMI;
}
/**
* rdma_cap_ib_cm - Check if the port of device has the capability Infiniband
* Communication Manager.
* @device: Device to check
* @port_num: Port number to check
*
* The InfiniBand Communication Manager is one of many pre-defined General
* Service Agents (GSA) that are accessed via the General Service
* Interface (GSI). It's role is to facilitate establishment of connections
* between nodes as well as other management related tasks for established
* connections.
*
* Return: true if the port supports an IB CM (this does not guarantee that
* a CM is actually running however).
*/
static inline bool rdma_cap_ib_cm(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_CM;
}
/**
* rdma_cap_iw_cm - Check if the port of device has the capability IWARP
* Communication Manager.
* @device: Device to check
* @port_num: Port number to check
*
* Similar to above, but specific to iWARP connections which have a different
* managment protocol than InfiniBand.
*
* Return: true if the port supports an iWARP CM (this does not guarantee that
* a CM is actually running however).
*/
static inline bool rdma_cap_iw_cm(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IW_CM;
}
/**
* rdma_cap_ib_sa - Check if the port of device has the capability Infiniband
* Subnet Administration.
* @device: Device to check
* @port_num: Port number to check
*
* An InfiniBand Subnet Administration (SA) service is a pre-defined General
* Service Agent (GSA) provided by the Subnet Manager (SM). On InfiniBand
* fabrics, devices should resolve routes to other hosts by contacting the
* SA to query the proper route.
*
* Return: true if the port should act as a client to the fabric Subnet
* Administration interface. This does not imply that the SA service is
* running locally.
*/
static inline bool rdma_cap_ib_sa(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_IB_SA;
}
/**
* rdma_cap_ib_mcast - Check if the port of device has the capability Infiniband
* Multicast.
* @device: Device to check
* @port_num: Port number to check
*
* InfiniBand multicast registration is more complex than normal IPv4 or
* IPv6 multicast registration. Each Host Channel Adapter must register
* with the Subnet Manager when it wishes to join a multicast group. It
* should do so only once regardless of how many queue pairs it subscribes
* to this group. And it should leave the group only after all queue pairs
* attached to the group have been detached.
*
* Return: true if the port must undertake the additional adminstrative
* overhead of registering/unregistering with the SM and tracking of the
* total number of queue pairs attached to the multicast group.
*/
static inline bool rdma_cap_ib_mcast(struct ib_device *device, u8 port_num)
{
return rdma_cap_ib_sa(device, port_num);
}
/**
* rdma_cap_af_ib - Check if the port of device has the capability
* Native Infiniband Address.
* @device: Device to check
* @port_num: Port number to check
*
* InfiniBand addressing uses a port's GUID + Subnet Prefix to make a default
* GID. RoCE uses a different mechanism, but still generates a GID via
* a prescribed mechanism and port specific data.
*
* Return: true if the port uses a GID address to identify devices on the
* network.
*/
static inline bool rdma_cap_af_ib(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_AF_IB;
}
/**
* rdma_cap_eth_ah - Check if the port of device has the capability
* Ethernet Address Handle.
* @device: Device to check
* @port_num: Port number to check
*
* RoCE is InfiniBand over Ethernet, and it uses a well defined technique
* to fabricate GIDs over Ethernet/IP specific addresses native to the
* port. Normally, packet headers are generated by the sending host
* adapter, but when sending connectionless datagrams, we must manually
* inject the proper headers for the fabric we are communicating over.
*
* Return: true if we are running as a RoCE port and must force the
* addition of a Global Route Header built from our Ethernet Address
* Handle into our header list for connectionless packets.
*/
static inline bool rdma_cap_eth_ah(struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_ETH_AH;
}
/**
* rdma_cap_read_multi_sge - Check if the port of device has the capability
* RDMA Read Multiple Scatter-Gather Entries.
* @device: Device to check
* @port_num: Port number to check
*
* iWARP has a restriction that RDMA READ requests may only have a single
* Scatter/Gather Entry (SGE) in the work request.
*
* NOTE: although the linux kernel currently assumes all devices are either
* single SGE RDMA READ devices or identical SGE maximums for RDMA READs and
* WRITEs, according to Tom Talpey, this is not accurate. There are some
* devices out there that support more than a single SGE on RDMA READ
* requests, but do not support the same number of SGEs as they do on
* RDMA WRITE requests. The linux kernel would need rearchitecting to
* support these imbalanced READ/WRITE SGEs allowed devices. So, for now,
* suffice with either the device supports the same READ/WRITE SGEs, or
* it only gets one READ sge.
*
* Return: true for any device that allows more than one SGE in RDMA READ
* requests.
*/
static inline bool rdma_cap_read_multi_sge(struct ib_device *device,
u8 port_num)
{
return !(device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IWARP);
}
int ib_query_gid(struct ib_device *device,
u8 port_num, int index, union ib_gid *gid);

2
include/rdma/rdma_cm.h
View file

@ -62,6 +62,8 @@ enum rdma_cm_event_type {
RDMA_CM_EVENT_TIMEWAIT_EXIT
};
__attribute_const__ const char *rdma_event_msg(enum rdma_cm_event_type event);
enum rdma_port_space {
RDMA_PS_SDP = 0x0001,
RDMA_PS_IPOIB = 0x0002,

9
net/rds/af_rds.c
View file

@ -40,15 +40,6 @@
#include "rds.h"
char *rds_str_array(char **array, size_t elements, size_t index)
{
if ((index < elements) && array[index])
return array[index];
else
return "unknown";
}
EXPORT_SYMBOL(rds_str_array);
/* this is just used for stats gathering :/ */
static DEFINE_SPINLOCK(rds_sock_lock);
static unsigned long rds_sock_count;

1
net/rds/ib.h
View file

@ -339,7 +339,6 @@ u32 rds_ib_ring_completed(struct rds_ib_work_ring *ring, u32 wr_id, u32 oldest);
extern wait_queue_head_t rds_ib_ring_empty_wait;
/* ib_send.c */
char *rds_ib_wc_status_str(enum ib_wc_status status);
void rds_ib_xmit_complete(struct rds_connection *conn);
int rds_ib_xmit(struct rds_connection *conn, struct rds_message *rm,
unsigned int hdr_off, unsigned int sg, unsigned int off);

36
net/rds/ib_cm.c
View file

@ -39,36 +39,6 @@
#include "rds.h"
#include "ib.h"
static char *rds_ib_event_type_strings[] = {
#define RDS_IB_EVENT_STRING(foo) \
[IB_EVENT_##foo] = __stringify(IB_EVENT_##foo)
RDS_IB_EVENT_STRING(CQ_ERR),
RDS_IB_EVENT_STRING(QP_FATAL),
RDS_IB_EVENT_STRING(QP_REQ_ERR),
RDS_IB_EVENT_STRING(QP_ACCESS_ERR),
RDS_IB_EVENT_STRING(COMM_EST),
RDS_IB_EVENT_STRING(SQ_DRAINED),
RDS_IB_EVENT_STRING(PATH_MIG),
RDS_IB_EVENT_STRING(PATH_MIG_ERR),
RDS_IB_EVENT_STRING(DEVICE_FATAL),
RDS_IB_EVENT_STRING(PORT_ACTIVE),
RDS_IB_EVENT_STRING(PORT_ERR),
RDS_IB_EVENT_STRING(LID_CHANGE),
RDS_IB_EVENT_STRING(PKEY_CHANGE),
RDS_IB_EVENT_STRING(SM_CHANGE),
RDS_IB_EVENT_STRING(SRQ_ERR),
RDS_IB_EVENT_STRING(SRQ_LIMIT_REACHED),
RDS_IB_EVENT_STRING(QP_LAST_WQE_REACHED),
RDS_IB_EVENT_STRING(CLIENT_REREGISTER),
#undef RDS_IB_EVENT_STRING
};
static char *rds_ib_event_str(enum ib_event_type type)
{
return rds_str_array(rds_ib_event_type_strings,
ARRAY_SIZE(rds_ib_event_type_strings), type);
};
/*
* Set the selected protocol version
*/
@ -243,7 +213,7 @@ static void rds_ib_cm_fill_conn_param(struct rds_connection *conn,
static void rds_ib_cq_event_handler(struct ib_event *event, void *data)
{
rdsdebug("event %u (%s) data %p\n",
event->event, rds_ib_event_str(event->event), data);
event->event, ib_event_msg(event->event), data);
}
static void rds_ib_qp_event_handler(struct ib_event *event, void *data)
@ -252,7 +222,7 @@ static void rds_ib_qp_event_handler(struct ib_event *event, void *data)
struct rds_ib_connection *ic = conn->c_transport_data;
rdsdebug("conn %p ic %p event %u (%s)\n", conn, ic, event->event,
rds_ib_event_str(event->event));
ib_event_msg(event->event));
switch (event->event) {
case IB_EVENT_COMM_EST:
@ -261,7 +231,7 @@ static void rds_ib_qp_event_handler(struct ib_event *event, void *data)
default:
rdsdebug("Fatal QP Event %u (%s) "
"- connection %pI4->%pI4, reconnecting\n",
event->event, rds_ib_event_str(event->event),
event->event, ib_event_msg(event->event),
&conn->c_laddr, &conn->c_faddr);
rds_conn_drop(conn);
break;

4
net/rds/ib_recv.c
View file

@ -956,7 +956,7 @@ static inline void rds_poll_cq(struct rds_ib_connection *ic,
while (ib_poll_cq(ic->i_recv_cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
rds_ib_wc_status_str(wc.status), wc.byte_len,
ib_wc_status_msg(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_rx_cq_event);
@ -978,7 +978,7 @@ static inline void rds_poll_cq(struct rds_ib_connection *ic,
"status %u (%s), disconnecting and "
"reconnecting\n", &conn->c_faddr,
wc.status,
rds_ib_wc_status_str(wc.status));
ib_wc_status_msg(wc.status));
}
/*

38
net/rds/ib_send.c
View file

@ -39,40 +39,6 @@
#include "rds.h"
#include "ib.h"
static char *rds_ib_wc_status_strings[] = {
#define RDS_IB_WC_STATUS_STR(foo) \
[IB_WC_##foo] = __stringify(IB_WC_##foo)
RDS_IB_WC_STATUS_STR(SUCCESS),
RDS_IB_WC_STATUS_STR(LOC_LEN_ERR),
RDS_IB_WC_STATUS_STR(LOC_QP_OP_ERR),
RDS_IB_WC_STATUS_STR(LOC_EEC_OP_ERR),
RDS_IB_WC_STATUS_STR(LOC_PROT_ERR),
RDS_IB_WC_STATUS_STR(WR_FLUSH_ERR),
RDS_IB_WC_STATUS_STR(MW_BIND_ERR),
RDS_IB_WC_STATUS_STR(BAD_RESP_ERR),
RDS_IB_WC_STATUS_STR(LOC_ACCESS_ERR),
RDS_IB_WC_STATUS_STR(REM_INV_REQ_ERR),
RDS_IB_WC_STATUS_STR(REM_ACCESS_ERR),
RDS_IB_WC_STATUS_STR(REM_OP_ERR),
RDS_IB_WC_STATUS_STR(RETRY_EXC_ERR),
RDS_IB_WC_STATUS_STR(RNR_RETRY_EXC_ERR),
RDS_IB_WC_STATUS_STR(LOC_RDD_VIOL_ERR),
RDS_IB_WC_STATUS_STR(REM_INV_RD_REQ_ERR),
RDS_IB_WC_STATUS_STR(REM_ABORT_ERR),
RDS_IB_WC_STATUS_STR(INV_EECN_ERR),
RDS_IB_WC_STATUS_STR(INV_EEC_STATE_ERR),
RDS_IB_WC_STATUS_STR(FATAL_ERR),
RDS_IB_WC_STATUS_STR(RESP_TIMEOUT_ERR),
RDS_IB_WC_STATUS_STR(GENERAL_ERR),
#undef RDS_IB_WC_STATUS_STR
};
char *rds_ib_wc_status_str(enum ib_wc_status status)
{
return rds_str_array(rds_ib_wc_status_strings,
ARRAY_SIZE(rds_ib_wc_status_strings), status);
}
/*
* Convert IB-specific error message to RDS error message and call core
* completion handler.
@ -293,7 +259,7 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
while (ib_poll_cq(cq, 1, &wc) > 0) {
rdsdebug("wc wr_id 0x%llx status %u (%s) byte_len %u imm_data %u\n",
(unsigned long long)wc.wr_id, wc.status,
rds_ib_wc_status_str(wc.status), wc.byte_len,
ib_wc_status_msg(wc.status), wc.byte_len,
be32_to_cpu(wc.ex.imm_data));
rds_ib_stats_inc(s_ib_tx_cq_event);
@ -344,7 +310,7 @@ void rds_ib_send_cq_comp_handler(struct ib_cq *cq, void *context)
rds_ib_conn_error(conn, "send completion on %pI4 had status "
"%u (%s), disconnecting and reconnecting\n",
&conn->c_faddr, wc.status,
rds_ib_wc_status_str(wc.status));
ib_wc_status_msg(wc.status));
}
}
}

34
net/rds/rdma_transport.c
View file

@ -37,34 +37,6 @@
static struct rdma_cm_id *rds_rdma_listen_id;
static char *rds_cm_event_strings[] = {
#define RDS_CM_EVENT_STRING(foo) \
[RDMA_CM_EVENT_##foo] = __stringify(RDMA_CM_EVENT_##foo)
RDS_CM_EVENT_STRING(ADDR_RESOLVED),
RDS_CM_EVENT_STRING(ADDR_ERROR),
RDS_CM_EVENT_STRING(ROUTE_RESOLVED),
RDS_CM_EVENT_STRING(ROUTE_ERROR),
RDS_CM_EVENT_STRING(CONNECT_REQUEST),
RDS_CM_EVENT_STRING(CONNECT_RESPONSE),
RDS_CM_EVENT_STRING(CONNECT_ERROR),
RDS_CM_EVENT_STRING(UNREACHABLE),
RDS_CM_EVENT_STRING(REJECTED),
RDS_CM_EVENT_STRING(ESTABLISHED),
RDS_CM_EVENT_STRING(DISCONNECTED),
RDS_CM_EVENT_STRING(DEVICE_REMOVAL),
RDS_CM_EVENT_STRING(MULTICAST_JOIN),
RDS_CM_EVENT_STRING(MULTICAST_ERROR),
RDS_CM_EVENT_STRING(ADDR_CHANGE),
RDS_CM_EVENT_STRING(TIMEWAIT_EXIT),
#undef RDS_CM_EVENT_STRING
};
static char *rds_cm_event_str(enum rdma_cm_event_type type)
{
return rds_str_array(rds_cm_event_strings,
ARRAY_SIZE(rds_cm_event_strings), type);
};
int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
struct rdma_cm_event *event)
{
@ -74,7 +46,7 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
int ret = 0;
rdsdebug("conn %p id %p handling event %u (%s)\n", conn, cm_id,
event->event, rds_cm_event_str(event->event));
event->event, rdma_event_msg(event->event));
if (cm_id->device->node_type == RDMA_NODE_RNIC)
trans = &rds_iw_transport;
@ -139,7 +111,7 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
default:
/* things like device disconnect? */
printk(KERN_ERR "RDS: unknown event %u (%s)!\n",
event->event, rds_cm_event_str(event->event));
event->event, rdma_event_msg(event->event));
break;
}
@ -148,7 +120,7 @@ int rds_rdma_cm_event_handler(struct rdma_cm_id *cm_id,
mutex_unlock(&conn->c_cm_lock);
rdsdebug("id %p event %u (%s) handling ret %d\n", cm_id, event->event,
rds_cm_event_str(event->event), ret);
rdma_event_msg(event->event), ret);
return ret;
}

1
net/rds/rds.h
View file

@ -575,7 +575,6 @@ struct rds_statistics {
};
/* af_rds.c */
char *rds_str_array(char **array, size_t elements, size_t index);
void rds_sock_addref(struct rds_sock *rs);
void rds_sock_put(struct rds_sock *rs);
void rds_wake_sk_sleep(struct rds_sock *rs);

4
net/sunrpc/xprtrdma/frwr_ops.c
View file

@ -128,8 +128,8 @@ frwr_sendcompletion(struct ib_wc *wc)
/* WARNING: Only wr_id and status are reliable at this point */
r = (struct rpcrdma_mw *)(unsigned long)wc->wr_id;
dprintk("RPC: %s: frmr %p (stale), status %d\n",
__func__, r, wc->status);
dprintk("RPC: %s: frmr %p (stale), status %s (%d)\n",
__func__, r, ib_wc_status_msg(wc->status), wc->status);
r->r.frmr.fr_state = FRMR_IS_STALE;
}

4
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
View file

@ -117,8 +117,8 @@ static void rdma_build_arg_xdr(struct svc_rqst *rqstp,
static int rdma_read_max_sge(struct svcxprt_rdma *xprt, int sge_count)
{
if (rdma_node_get_transport(xprt->sc_cm_id->device->node_type) ==
RDMA_TRANSPORT_IWARP)
if (!rdma_cap_read_multi_sge(xprt->sc_cm_id->device,
xprt->sc_cm_id->port_num))
return 1;
else
return min_t(int, sge_count, xprt->sc_max_sge);

74
net/sunrpc/xprtrdma/svc_rdma_transport.c
View file

@ -175,8 +175,8 @@ void svc_rdma_put_req_map(struct svc_rdma_req_map *map)
static void cq_event_handler(struct ib_event *event, void *context)
{
struct svc_xprt *xprt = context;
dprintk("svcrdma: received CQ event id=%d, context=%p\n",
event->event, context);
dprintk("svcrdma: received CQ event %s (%d), context=%p\n",
ib_event_msg(event->event), event->event, context);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
}
@ -191,8 +191,9 @@ static void qp_event_handler(struct ib_event *event, void *context)
case IB_EVENT_COMM_EST:
case IB_EVENT_SQ_DRAINED:
case IB_EVENT_QP_LAST_WQE_REACHED:
dprintk("svcrdma: QP event %d received for QP=%p\n",
event->event, event->element.qp);
dprintk("svcrdma: QP event %s (%d) received for QP=%p\n",
ib_event_msg(event->event), event->event,
event->element.qp);
break;
/* These are considered fatal events */
case IB_EVENT_PATH_MIG_ERR:
@ -201,9 +202,10 @@ static void qp_event_handler(struct ib_event *event, void *context)
case IB_EVENT_QP_ACCESS_ERR:
case IB_EVENT_DEVICE_FATAL:
default:
dprintk("svcrdma: QP ERROR event %d received for QP=%p, "
dprintk("svcrdma: QP ERROR event %s (%d) received for QP=%p, "
"closing transport\n",
event->event, event->element.qp);
ib_event_msg(event->event), event->event,
event->element.qp);
set_bit(XPT_CLOSE, &xprt->xpt_flags);
break;
}
@ -402,7 +404,8 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt)
for (i = 0; i < ret; i++) {
wc = &wc_a[i];
if (wc->status != IB_WC_SUCCESS) {
dprintk("svcrdma: sq wc err status %d\n",
dprintk("svcrdma: sq wc err status %s (%d)\n",
ib_wc_status_msg(wc->status),
wc->status);
/* Close the transport */
@ -616,7 +619,8 @@ static int rdma_listen_handler(struct rdma_cm_id *cma_id,
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
dprintk("svcrdma: Connect request on cma_id=%p, xprt = %p, "
"event=%d\n", cma_id, cma_id->context, event->event);
"event = %s (%d)\n", cma_id, cma_id->context,
rdma_event_msg(event->event), event->event);
handle_connect_req(cma_id,
event->param.conn.initiator_depth);
break;
@ -636,7 +640,8 @@ static int rdma_listen_handler(struct rdma_cm_id *cma_id,
default:
dprintk("svcrdma: Unexpected event on listening endpoint %p, "
"event=%d\n", cma_id, event->event);
"event = %s (%d)\n", cma_id,
rdma_event_msg(event->event), event->event);
break;
}
@ -669,7 +674,8 @@ static int rdma_cma_handler(struct rdma_cm_id *cma_id,
break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
dprintk("svcrdma: Device removal cma_id=%p, xprt = %p, "
"event=%d\n", cma_id, xprt, event->event);
"event = %s (%d)\n", cma_id, xprt,
rdma_event_msg(event->event), event->event);
if (xprt) {
set_bit(XPT_CLOSE, &xprt->xpt_flags);
svc_xprt_enqueue(xprt);
@ -677,7 +683,8 @@ static int rdma_cma_handler(struct rdma_cm_id *cma_id,
break;
default:
dprintk("svcrdma: Unexpected event on DTO endpoint %p, "
"event=%d\n", cma_id, event->event);
"event = %s (%d)\n", cma_id,
rdma_event_msg(event->event), event->event);
break;
}
return 0;
@ -851,7 +858,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
struct ib_qp_init_attr qp_attr;
struct ib_device_attr devattr;
int uninitialized_var(dma_mr_acc);
int need_dma_mr;
int need_dma_mr = 0;
int ret;
int i;
@ -985,35 +992,26 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
/*
* Determine if a DMA MR is required and if so, what privs are required
*/
switch (rdma_node_get_transport(newxprt->sc_cm_id->device->node_type)) {
case RDMA_TRANSPORT_IWARP:
newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
need_dma_mr = 1;
dma_mr_acc =
(IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_WRITE);
} else if (!(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
need_dma_mr = 1;
dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
} else
need_dma_mr = 0;
break;
case RDMA_TRANSPORT_IB:
if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG)) {
need_dma_mr = 1;
dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
} else if (!(devattr.device_cap_flags &
IB_DEVICE_LOCAL_DMA_LKEY)) {
need_dma_mr = 1;
dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
} else
need_dma_mr = 0;
break;
default:
if (!rdma_protocol_iwarp(newxprt->sc_cm_id->device,
newxprt->sc_cm_id->port_num) &&
!rdma_ib_or_roce(newxprt->sc_cm_id->device,
newxprt->sc_cm_id->port_num))
goto errout;
if (!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG) ||
!(devattr.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)) {
need_dma_mr = 1;
dma_mr_acc = IB_ACCESS_LOCAL_WRITE;
if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
newxprt->sc_cm_id->port_num) &&
!(newxprt->sc_dev_caps & SVCRDMA_DEVCAP_FAST_REG))
dma_mr_acc |= IB_ACCESS_REMOTE_WRITE;
}
if (rdma_protocol_iwarp(newxprt->sc_cm_id->device,
newxprt->sc_cm_id->port_num))
newxprt->sc_dev_caps |= SVCRDMA_DEVCAP_READ_W_INV;
/* Create the DMA MR if needed, otherwise, use the DMA LKEY */
if (need_dma_mr) {
/* Register all of physical memory */

90
net/sunrpc/xprtrdma/verbs.c
View file

@ -105,32 +105,6 @@ rpcrdma_run_tasklet(unsigned long data)
static DECLARE_TASKLET(rpcrdma_tasklet_g, rpcrdma_run_tasklet, 0UL);
static const char * const async_event[] = {
"CQ error",
"QP fatal error",
"QP request error",
"QP access error",
"communication established",
"send queue drained",
"path migration successful",
"path mig error",
"device fatal error",
"port active",
"port error",
"LID change",
"P_key change",
"SM change",
"SRQ error",
"SRQ limit reached",
"last WQE reached",
"client reregister",
"GID change",
};
#define ASYNC_MSG(status) \
((status) < ARRAY_SIZE(async_event) ? \
async_event[(status)] : "unknown async error")
static void
rpcrdma_schedule_tasklet(struct list_head *sched_list)
{
@ -148,7 +122,7 @@ rpcrdma_qp_async_error_upcall(struct ib_event *event, void *context)
struct rpcrdma_ep *ep = context;
pr_err("RPC: %s: %s on device %s ep %p\n",
__func__, ASYNC_MSG(event->event),
__func__, ib_event_msg(event->event),
event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
@ -163,7 +137,7 @@ rpcrdma_cq_async_error_upcall(struct ib_event *event, void *context)
struct rpcrdma_ep *ep = context;
pr_err("RPC: %s: %s on device %s ep %p\n",
__func__, ASYNC_MSG(event->event),
__func__, ib_event_msg(event->event),
event->device->name, context);
if (ep->rep_connected == 1) {
ep->rep_connected = -EIO;
@ -172,35 +146,6 @@ rpcrdma_cq_async_error_upcall(struct ib_event *event, void *context)
}
}
static const char * const wc_status[] = {
"success",
"local length error",
"local QP operation error",
"local EE context operation error",
"local protection error",
"WR flushed",
"memory management operation error",
"bad response error",
"local access error",
"remote invalid request error",
"remote access error",
"remote operation error",
"transport retry counter exceeded",
"RNR retry counter exceeded",
"local RDD violation error",
"remove invalid RD request",
"operation aborted",
"invalid EE context number",
"invalid EE context state",
"fatal error",
"response timeout error",
"general error",
};
#define COMPLETION_MSG(status) \
((status) < ARRAY_SIZE(wc_status) ? \
wc_status[(status)] : "unexpected completion error")
static void
rpcrdma_sendcq_process_wc(struct ib_wc *wc)
{
@ -209,7 +154,7 @@ rpcrdma_sendcq_process_wc(struct ib_wc *wc)
if (wc->status != IB_WC_SUCCESS &&
wc->status != IB_WC_WR_FLUSH_ERR)
pr_err("RPC: %s: SEND: %s\n",
__func__, COMPLETION_MSG(wc->status));
__func__, ib_wc_status_msg(wc->status));
} else {
struct rpcrdma_mw *r;
@ -302,7 +247,7 @@ rpcrdma_recvcq_process_wc(struct ib_wc *wc, struct list_head *sched_list)
out_fail:
if (wc->status != IB_WC_WR_FLUSH_ERR)
pr_err("RPC: %s: rep %p: %s\n",
__func__, rep, COMPLETION_MSG(wc->status));
__func__, rep, ib_wc_status_msg(wc->status));
rep->rr_len = ~0U;
goto out_schedule;
}
@ -386,31 +331,6 @@ rpcrdma_flush_cqs(struct rpcrdma_ep *ep)
rpcrdma_sendcq_process_wc(&wc);
}
#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
static const char * const conn[] = {
"address resolved",
"address error",
"route resolved",
"route error",
"connect request",
"connect response",
"connect error",
"unreachable",
"rejected",
"established",
"disconnected",
"device removal",
"multicast join",
"multicast error",
"address change",
"timewait exit",
};
#define CONNECTION_MSG(status) \
((status) < ARRAY_SIZE(conn) ? \
conn[(status)] : "unrecognized connection error")
#endif
static int
rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event)
{
@ -476,7 +396,7 @@ rpcrdma_conn_upcall(struct rdma_cm_id *id, struct rdma_cm_event *event)
default:
dprintk("RPC: %s: %pIS:%u (ep 0x%p): %s\n",
__func__, sap, rpc_get_port(sap), ep,
CONNECTION_MSG(event->event));
rdma_event_msg(event->event));
break;
}