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authorEli Cohen <eli@dev.mellanox.co.il>2008-04-17 08:09:27 +0400
committerRoland Dreier <rolandd@cisco.com>2008-04-17 08:09:27 +0400
commit40ca1988e03c001747d0b4cc1b25cf38297c9f9e (patch)
tree5eb1d1e32b41409bd722df9c80deb326a227b09f /drivers/infiniband/ulp/ipoib/ipoib_verbs.c
parentc93570f23a98c633570397aedc6d1808f5d5846a (diff)
downloadlinux-40ca1988e03c001747d0b4cc1b25cf38297c9f9e.tar.xz
IPoIB: Add LSO support
For HCAs that support TCP segmentation offload (IB_DEVICE_UD_TSO), set NETIF_F_TSO and use HW LSO to offload TCP segmentation. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_verbs.c')
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_verbs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index a3aeb911f024..8a20e3742c43 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -192,6 +192,9 @@ int ipoib_transport_dev_init(struct net_device *dev, struct ib_device *ca)
init_attr.send_cq = priv->cq;
init_attr.recv_cq = priv->cq;
+ if (priv->hca_caps & IB_DEVICE_UD_TSO)
+ init_attr.create_flags = IB_QP_CREATE_IPOIB_UD_LSO;
+
if (dev->features & NETIF_F_SG)
init_attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;