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authorSean Hefty <sean.hefty@intel.com>2013-05-29 10:09:18 -0700
committerRoland Dreier <roland@purestorage.com>2013-06-20 13:08:04 -0700
commitf68194ca88ecca70e7e9064949d9d1f6e4b3a647 (patch)
tree31c1776915871817b7088a6a7410e24d00ba683f /drivers/infiniband/core/cma.c
parentRDMA/cma: Add support for AF_IB to rdma_resolve_addr() (diff)
downloadlinux-dev-f68194ca88ecca70e7e9064949d9d1f6e4b3a647.tar.xz
linux-dev-f68194ca88ecca70e7e9064949d9d1f6e4b3a647.zip
RDMA/cma: Add support for AF_IB to rdma_resolve_route()
Allow rdma_resolve_route() to handle the case where the user specified the source and destination addresses using AF_IB. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core/cma.c')
-rw-r--r--drivers/infiniband/core/cma.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 7a159af08630..66cb043ddd49 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1743,6 +1743,7 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
struct ib_sa_path_rec path_rec;
ib_sa_comp_mask comp_mask;
struct sockaddr_in6 *sin6;
+ struct sockaddr_ib *sib;
memset(&path_rec, 0, sizeof path_rec);
rdma_addr_get_sgid(dev_addr, &path_rec.sgid);
@@ -1756,13 +1757,21 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,
IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |
IB_SA_PATH_REC_REVERSIBLE | IB_SA_PATH_REC_SERVICE_ID;
- if (cma_family(id_priv) == AF_INET) {
+ switch (cma_family(id_priv)) {
+ case AF_INET:
path_rec.qos_class = cpu_to_be16((u16) id_priv->tos);
comp_mask |= IB_SA_PATH_REC_QOS_CLASS;
- } else {
+ break;
+ case AF_INET6:
sin6 = (struct sockaddr_in6 *) cma_src_addr(id_priv);
path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20);
comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;
+ break;
+ case AF_IB:
+ sib = (struct sockaddr_ib *) cma_src_addr(id_priv);
+ path_rec.traffic_class = (u8) (be32_to_cpu(sib->sib_flowinfo) >> 20);
+ comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;
+ break;
}
id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device,