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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>
hifive-unleashed-5.1
Sean Hefty 2013-05-29 10:09:18 -07:00 committed by Roland Dreier
parent f17df3b0de
commit f68194ca88
1 changed files with 11 additions and 2 deletions
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13
drivers/infiniband/core/cma.c
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@ -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,