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authorGuy Shapiro <guysh@mellanox.com>2015-10-22 15:20:10 +0300
committerDoug Ledford <dledford@redhat.com>2015-10-28 12:32:48 -0400
commitfa20105e09e97e81aadf02f722c31195e4a75c84 (patch)
treebb25c580d408a2c4a96abda8c49c2751e72bfe52 /net/rds
parent4be74b42a6d05a74a21362010cd3920fa17f63c7 (diff)
downloadlinux-fa20105e09e97e81aadf02f722c31195e4a75c84.tar.bz2
IB/cma: Add support for network namespaces
Add support for network namespaces in the ib_cma module. This is accomplished by: 1. Adding network namespace parameter for rdma_create_id. This parameter is used to populate the network namespace field in rdma_id_private. rdma_create_id keeps a reference on the network namespace. 2. Using the network namespace from the rdma_id instead of init_net inside of ib_cma, when listening on an ID and when looking for an ID for an incoming request. 3. Decrementing the reference count for the appropriate network namespace when calling rdma_destroy_id. In order to preserve the current behavior init_net is passed when calling from other modules. Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Yotam Kenneth <yotamke@mellanox.com> Signed-off-by: Shachar Raindel <raindel@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net/rds')
-rw-r--r--net/rds/ib.c2
-rw-r--r--net/rds/ib_cm.c2
-rw-r--r--net/rds/iw.c2
-rw-r--r--net/rds/iw_cm.c2
-rw-r--r--net/rds/rdma_transport.c4
5 files changed, 6 insertions, 6 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 2d3f2ab475df..cd64ef9a4748 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -317,7 +317,7 @@ static int rds_ib_laddr_check(struct net *net, __be32 addr)
/* Create a CMA ID and try to bind it. This catches both
* IB and iWARP capable NICs.
*/
- cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
+ cm_id = rdma_create_id(&init_net, NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id))
return PTR_ERR(cm_id);
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 9043f5c04787..f5a98068faf0 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -565,7 +565,7 @@ int rds_ib_conn_connect(struct rds_connection *conn)
/* XXX I wonder what affect the port space has */
/* delegate cm event handler to rdma_transport */
- ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
+ ic->i_cm_id = rdma_create_id(&init_net, rds_rdma_cm_event_handler, conn,
RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(ic->i_cm_id)) {
ret = PTR_ERR(ic->i_cm_id);
diff --git a/net/rds/iw.c b/net/rds/iw.c
index 3df0295c6659..576f1825fc55 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -223,7 +223,7 @@ static int rds_iw_laddr_check(struct net *net, __be32 addr)
/* Create a CMA ID and try to bind it. This catches both
* IB and iWARP capable NICs.
*/
- cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
+ cm_id = rdma_create_id(&init_net, NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id))
return PTR_ERR(cm_id);
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index a6553a6fb2bc..aea4c911bc76 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -524,7 +524,7 @@ int rds_iw_conn_connect(struct rds_connection *conn)
/* XXX I wonder what affect the port space has */
/* delegate cm event handler to rdma_transport */
- ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
+ ic->i_cm_id = rdma_create_id(&init_net, rds_rdma_cm_event_handler, conn,
RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(ic->i_cm_id)) {
ret = PTR_ERR(ic->i_cm_id);
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index b9b40af5345b..9c1fed81bf0f 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -142,8 +142,8 @@ static int rds_rdma_listen_init(void)
struct rdma_cm_id *cm_id;
int ret;
- cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP,
- IB_QPT_RC);
+ cm_id = rdma_create_id(&init_net, rds_rdma_cm_event_handler, NULL,
+ RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id)) {
ret = PTR_ERR(cm_id);
printk(KERN_ERR "RDS/RDMA: failed to setup listener, "