From: Bryan O'Sullivan Date: Thu, 28 Sep 2006 16:00:06 +0000 (-0700) Subject: IB/ipath: RC and UC should validate SLID and DLID X-Git-Tag: firefly_0821_release~33026^2~17 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=10aeb0e6d8823c1cccf9edc8401c848745c128be;p=firefly-linux-kernel-4.4.55.git 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 --- 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;