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authorBryan O'Sullivan <bos@pathscale.com>2006-09-28 09:00:06 -0700
committerRoland Dreier <rolandd@cisco.com>2006-09-28 11:16:39 -0700
commit10aeb0e6d8823c1cccf9edc8401c848745c128be (patch)
tree641cd8b5ff5e82598703a9502622894b78ef75f3
parent7dae5bff2e8e4699744e782a6e7605ad18d1240e (diff)
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>
-rw-r--r--drivers/infiniband/hw/ipath/ipath_rc.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_uc.c4
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 52caa2edf5a..898f996513f 100644
--- 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
index 0fd3cded16b..d550b7aedb8 100644
--- 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;