IB/ipath: RC and UC should validate SLID and DLID

This is required for IB conformance (spec ch. 9.6.1.5). Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
git-mirror · Sep 28, 2006 · 10aeb0e · 10aeb0e
1 parent 7dae5bf
commit 10aeb0e
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -1320,6 +1320,10 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
 	struct ib_reth *reth;
 	int header_in_data;
 
+	/* Validate the SLID. See Ch. 9.6.1.5 */
+	if (unlikely(be16_to_cpu(hdr->lrh[3]) != qp->remote_ah_attr.dlid))
+		goto done;
+
 	/* Check for GRH */
 	if (!has_grh) {
 		ohdr = &hdr->u.oth;

diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c
@@ -246,6 +246,10 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
 	struct ib_reth *reth;
 	int header_in_data;
 
+	/* Validate the SLID. See Ch. 9.6.1.5 */
+	if (unlikely(be16_to_cpu(hdr->lrh[3]) != qp->remote_ah_attr.dlid))
+		goto done;
+
 	/* Check for GRH */
 	if (!has_grh) {
 		ohdr = &hdr->u.oth;