[PATCH v5 12/28] rdma/cm: Add support for AF_IB to rdma_resolve_route
DORMANTno replies
From: <hidden>
Date: 2013-05-29 17:09:18
Also in:
linux-rdma
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Sean Hefty <redacted> 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 <redacted> --- drivers/infiniband/core/cma.c | 13 +++++++++++-- 1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 2b5dfee..f54169b 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,
--
1.7.3
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