diff options
| author |   Bryan O'Sullivan <bos@pathscale.com> | 2007-03-15 14:45:03 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-04-18 20:20:57 -0700 |
| commit | 5a7d4eea9185c20275307fcd1077d6f9dfdab48a (patch) | |
| tree | 40c04e0bcc2ce15781f0090f4fa24d8bfb9fc38c /drivers/infiniband | |
| parent | IB/ipath: Fix calculation for number of kernel PIO buffers (diff) | |
| download | linux-dev-5a7d4eea9185c20275307fcd1077d6f9dfdab48a.tar.xz linux-dev-5a7d4eea9185c20275307fcd1077d6f9dfdab48a.zip | |
IB/ipath: Discard multicast packets without a GRH
This patch fixes a bug where multicast packets without a GRH were not
being dropped as per the IB spec.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_verbs.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c index 9bec5a9b4557..f5604b876500 100644 --- a/drivers/infiniband/hw/ipath/ipath_verbs.c +++ b/drivers/infiniband/hw/ipath/ipath_verbs.c @@ -438,6 +438,10 @@ void ipath_ib_rcv(struct ipath_ibdev *dev, void *rhdr, void *data, struct ipath_mcast *mcast; struct ipath_mcast_qp *p; + if (lnh != IPATH_LRH_GRH) { + dev->n_pkt_drops++; + goto bail; + } mcast = ipath_mcast_find(&hdr->u.l.grh.dgid); if (mcast == NULL) { dev->n_pkt_drops++; @@ -445,8 +449,7 @@ void ipath_ib_rcv(struct ipath_ibdev *dev, void *rhdr, void *data, } dev->n_multicast_rcv++; list_for_each_entry_rcu(p, &mcast->qp_list, list) - ipath_qp_rcv(dev, hdr, lnh == IPATH_LRH_GRH, data, - tlen, p->qp); + ipath_qp_rcv(dev, hdr, 1, data, tlen, p->qp); /* * Notify ipath_multicast_detach() if it is waiting for us * to finish. |