Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e1bb7843e4c25e6e331890a2ca512581e844bbaa
Commit:     e1bb7843e4c25e6e331890a2ca512581e844bbaa
Parent:     ed96f2470bf5d315770dc199f0250c1b8d3c2f3c
Author:     Dotan Barak <[EMAIL PROTECTED]>
AuthorDate: Mon Jan 7 09:01:25 2008 +0200
Committer:  Roland Dreier <[EMAIL PROTECTED]>
CommitDate: Tue Jan 8 12:05:53 2008 -0800

    IB/mlx4: Fix value of pkey_index in QP1 completions
    
    Fix the value of pkey_index in completions to get a valid value for
    GSI QPs.  Without this fix, incoming GSI packets on port 2 get an
    invalid P_Key index in the completion, which prevents the MAD layer
    from sending back a response, which can make the second port of
    ConnectX HCAs completely useless.
    
    Signed-off-by: Dotan Barak <[EMAIL PROTECTED]>
    Signed-off-by: Roland Dreier <[EMAIL PROTECTED]>
---
 drivers/infiniband/hw/mlx4/cq.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 8bf44da..9d32c49 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -430,7 +430,7 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
                wc->dlid_path_bits = (be32_to_cpu(cqe->g_mlpath_rqpn) >> 24) & 
0x7f;
                wc->wc_flags      |= be32_to_cpu(cqe->g_mlpath_rqpn) & 
0x80000000 ?
                        IB_WC_GRH : 0;
-               wc->pkey_index     = be32_to_cpu(cqe->immed_rss_invalid) >> 16;
+               wc->pkey_index     = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
        }
 
        return 0;
-
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