diff options
author | Steve Wise <swise@opengridcomputing.com> | 2013-07-04 10:40:44 (GMT) |
---|---|---|
committer | Roland Dreier <roland@purestorage.com> | 2013-08-12 19:32:31 (GMT) |
commit | 24d44a391f1b5d56e9c7a4fc1edd085687864ff9 (patch) | |
tree | 3076b01a1b85d6b21d08f615a44a4b7c2f5b5acb /drivers/infiniband/core/cma.c | |
parent | c095ba7224d8edc71dcef0d655911399a8bd4a3f (diff) | |
download | linux-fsl-qoriq-24d44a391f1b5d56e9c7a4fc1edd085687864ff9.tar.xz |
RDMA/cma: Add IPv6 support for iWARP
Modify the type of local_addr and remote_addr fields in struct
iw_cm_id from struct sockaddr_in to struct sockaddr_storage to hold
IPv6 and IPv4 addresses uniformly.
Change the references of local_addr and remote_addr in cxgb4, cxgb3,
nes and amso drivers to match this. However to be able to actully run
traffic over IPv6, low-level drivers have to add code to support this.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
[ Fix unused variable warnings when INFINIBAND_NES_DEBUG not set.
- Roland ]
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r-- | drivers/infiniband/core/cma.c | 44 |
1 files changed, 17 insertions, 27 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 7c0f953..3a2c3c3 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1385,8 +1385,9 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) { struct rdma_id_private *id_priv = iw_id->context; struct rdma_cm_event event; - struct sockaddr_in *sin; int ret = 0; + struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; + struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; if (cma_disable_callback(id_priv, RDMA_CM_CONNECT)) return 0; @@ -1397,10 +1398,10 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) event.event = RDMA_CM_EVENT_DISCONNECTED; break; case IW_CM_EVENT_CONNECT_REPLY: - sin = (struct sockaddr_in *) cma_src_addr(id_priv); - *sin = iw_event->local_addr; - sin = (struct sockaddr_in *) cma_dst_addr(id_priv); - *sin = iw_event->remote_addr; + memcpy(cma_src_addr(id_priv), laddr, + rdma_addr_size(laddr)); + memcpy(cma_dst_addr(id_priv), raddr, + rdma_addr_size(raddr)); switch (iw_event->status) { case 0: event.event = RDMA_CM_EVENT_ESTABLISHED; @@ -1450,11 +1451,12 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, { struct rdma_cm_id *new_cm_id; struct rdma_id_private *listen_id, *conn_id; - struct sockaddr_in *sin; struct net_device *dev = NULL; struct rdma_cm_event event; int ret; struct ib_device_attr attr; + struct sockaddr *laddr = (struct sockaddr *)&iw_event->local_addr; + struct sockaddr *raddr = (struct sockaddr *)&iw_event->remote_addr; listen_id = cm_id->context; if (cma_disable_callback(listen_id, RDMA_CM_LISTEN)) @@ -1472,14 +1474,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, mutex_lock_nested(&conn_id->handler_mutex, SINGLE_DEPTH_NESTING); conn_id->state = RDMA_CM_CONNECT; - dev = ip_dev_find(&init_net, iw_event->local_addr.sin_addr.s_addr); - if (!dev) { - ret = -EADDRNOTAVAIL; - mutex_unlock(&conn_id->handler_mutex); - rdma_destroy_id(new_cm_id); - goto out; - } - ret = rdma_copy_addr(&conn_id->id.route.addr.dev_addr, dev, NULL); + ret = rdma_translate_ip(laddr, &conn_id->id.route.addr.dev_addr); if (ret) { mutex_unlock(&conn_id->handler_mutex); rdma_destroy_id(new_cm_id); @@ -1497,10 +1492,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, cm_id->context = conn_id; cm_id->cm_handler = cma_iw_handler; - sin = (struct sockaddr_in *) cma_src_addr(conn_id); - *sin = iw_event->local_addr; - sin = (struct sockaddr_in *) cma_dst_addr(conn_id); - *sin = iw_event->remote_addr; + memcpy(cma_src_addr(conn_id), laddr, rdma_addr_size(laddr)); + memcpy(cma_dst_addr(conn_id), raddr, rdma_addr_size(raddr)); ret = ib_query_device(conn_id->id.device, &attr); if (ret) { @@ -1576,7 +1569,6 @@ static int cma_ib_listen(struct rdma_id_private *id_priv) static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog) { int ret; - struct sockaddr_in *sin; struct iw_cm_id *id; id = iw_create_cm_id(id_priv->id.device, @@ -1587,8 +1579,8 @@ static int cma_iw_listen(struct rdma_id_private *id_priv, int backlog) id_priv->cm_id.iw = id; - sin = (struct sockaddr_in *) cma_src_addr(id_priv); - id_priv->cm_id.iw->local_addr = *sin; + memcpy(&id_priv->cm_id.iw->local_addr, cma_src_addr(id_priv), + rdma_addr_size(cma_src_addr(id_priv))); ret = iw_cm_listen(id_priv->cm_id.iw, backlog); @@ -2803,7 +2795,6 @@ static int cma_connect_iw(struct rdma_id_private *id_priv, struct rdma_conn_param *conn_param) { struct iw_cm_id *cm_id; - struct sockaddr_in* sin; int ret; struct iw_cm_conn_param iw_param; @@ -2813,11 +2804,10 @@ static int cma_connect_iw(struct rdma_id_private *id_priv, id_priv->cm_id.iw = cm_id; - sin = (struct sockaddr_in *) cma_src_addr(id_priv); - cm_id->local_addr = *sin; - - sin = (struct sockaddr_in *) cma_dst_addr(id_priv); - cm_id->remote_addr = *sin; + memcpy(&cm_id->local_addr, cma_src_addr(id_priv), + rdma_addr_size(cma_src_addr(id_priv))); + memcpy(&cm_id->remote_addr, cma_dst_addr(id_priv), + rdma_addr_size(cma_dst_addr(id_priv))); ret = cma_modify_qp_rtr(id_priv, conn_param); if (ret) |