diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2008-04-16 21:01:11 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:01:11 -0700 |
| commit | 680b575f6d1ae8aa39c4d7ee7e40b749d277fa9f (patch) | |
| tree | 202da857b6205b699bd189b63e483387f1c58d94 /drivers/infiniband/hw/mthca/mthca_cmd.c | |
| parent | 8ff095ec4bce7be943beff3b330562e2f0e42167 (diff) | |
IB/mthca: Add IPoIB checksum offload support
Arbel and Sinai devices support checksum generation and verification
of TCP and UDP packets for UD IPoIB messages. This patch checks if
the HCA supports this and sets the IB_DEVICE_UD_IP_CSUM capability
flag if it does. It implements support for handling the IB_SEND_IP_CSUM
send flag and setting the csum_ok field in receive work completions.
Signed-off-by: Eli Cohen <eli@mellnaox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_cmd.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cmd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 667c35ddb7c..54d230ee7d6 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -1339,6 +1339,10 @@ int mthca_INIT_HCA(struct mthca_dev *dev, /* Check port for UD address vector: */ *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1); + /* Enable IPoIB checksumming if we can: */ + if (dev->device_cap_flags & IB_DEVICE_UD_IP_CSUM) + *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(7 << 3); + /* We leave wqe_quota, responder_exu, etc as 0 (default) */ /* QPC/EEC/CQC/EQC/RDB attributes */ |