From 10aeb0e6d8823c1cccf9edc8401c848745c128be Mon Sep 17 00:00:00 2001 From: Bryan O'Sullivan Date: Thu, 28 Sep 2006 09:00:06 -0700 Subject: [PATCH] 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 Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_rc.c | 4 ++++ drivers/infiniband/hw/ipath/ipath_uc.c | 4 ++++ 2 files changed, 8 insertions(+) diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c index 52caa2edf5a4..898f996513f8 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 0fd3cded16ba..d550b7aedb8d 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; -- 2.34.1