[PATCH 10 of 28] IB/ipath - RC and UC should validate SLID and DLID

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This is required for IB conformance (spec ch. 9.6.1.5).

Signed-off-by: Bryan O'Sullivan <[email protected]>

diff -r 934e5c1d6ade -r f8c0eb9dc3b8 drivers/infiniband/hw/ipath/ipath_rc.c
--- a/drivers/infiniband/hw/ipath/ipath_rc.c	Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c	Thu Sep 28 08:57:12 2006 -0700
@@ -1319,6 +1319,10 @@ void ipath_rc_rcv(struct ipath_ibdev *de
 	int diff;
 	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) {
diff -r 934e5c1d6ade -r f8c0eb9dc3b8 drivers/infiniband/hw/ipath/ipath_uc.c
--- a/drivers/infiniband/hw/ipath/ipath_uc.c	Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c	Thu Sep 28 08:57:12 2006 -0700
@@ -246,6 +246,10 @@ void ipath_uc_rcv(struct ipath_ibdev *de
 	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;
-
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