IB/iser: Support IPv6 address family

Replace struct sockaddr_in with struct sockaddr which supports both
IPv4 and IPv6, and print using the %pIS format directive.

Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

3 files changed, 9 insertions, 15 deletions

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index eb7973957a6e..1a53fd22aedf 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -604,8 +604,7 @@ iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
         ib_conn->ep = ep;
         iser_conn_init(ib_conn);
 
-        err = iser_connect(ib_conn, NULL, (struct sockaddr_in *)dst_addr,
-                           non_blocking);
+        err = iser_connect(ib_conn, NULL, dst_addr, non_blocking);
         if (err)
                 return ERR_PTR(err);
 
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 97cd385bf7f7..37e928477b08 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -448,8 +448,8 @@ int  iser_reg_rdma_mem_fastreg(struct iscsi_iser_task *task,
                                enum iser_data_dir cmd_dir);
 
 int  iser_connect(struct iser_conn   *ib_conn,
-                  struct sockaddr_in *src_addr,
-                  struct sockaddr_in *dst_addr,
+                  struct sockaddr    *src_addr,
+                  struct sockaddr    *dst_addr,
                   int                non_blocking);
 
 int  iser_reg_page_vec(struct iser_conn     *ib_conn,
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index ea01075f9f9b..dc0c90f4c312 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -810,22 +810,19 @@ void iser_conn_init(struct iser_conn *ib_conn)
  * sleeps until the connection is established or rejected
  */
 int iser_connect(struct iser_conn   *ib_conn,
-                 struct sockaddr_in *src_addr,
-                 struct sockaddr_in *dst_addr,
+                 struct sockaddr    *src_addr,
+                 struct sockaddr    *dst_addr,
                  int                 non_blocking)
 {
-        struct sockaddr *src, *dst;
         int err = 0;
 
-        sprintf(ib_conn->name, "%pI4:%d",
-                &dst_addr->sin_addr.s_addr, dst_addr->sin_port);
+        sprintf(ib_conn->name, "%pISp", dst_addr);
+
+        iser_info("connecting to: %s\n", ib_conn->name);
 
         /* the device is known only --after-- address resolution */
         ib_conn->device = NULL;
 
-        iser_info("connecting to: %pI4, port 0x%x\n",
-                  &dst_addr->sin_addr, dst_addr->sin_port);
-
         ib_conn->state = ISER_CONN_PENDING;
 
         ib_conn->cma_id = rdma_create_id(iser_cma_handler,
@@ -837,9 +834,7 @@ int iser_connect(struct iser_conn   *ib_conn,
                 goto id_failure;
         }
 
-        src = (struct sockaddr *)src_addr;
-        dst = (struct sockaddr *)dst_addr;
-        err = rdma_resolve_addr(ib_conn->cma_id, src, dst, 1000);
+        err = rdma_resolve_addr(ib_conn->cma_id, src_addr, dst_addr, 1000);
         if (err) {
                 iser_err("rdma_resolve_addr failed: %d\n", err);
                 goto addr_failure;