diff options
| author | Eli Cohen <eli@dev.mellanox.co.il> | 2008-04-16 21:09:27 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-16 21:09:27 -0700 |
| commit | 40ca1988e03c001747d0b4cc1b25cf38297c9f9e (patch) | |
| tree | 5eb1d1e32b41409bd722df9c80deb326a227b09f /drivers/infiniband/ulp/ipoib/ipoib_cm.c | |
| parent | c93570f23a98c633570397aedc6d1808f5d5846a (diff) | |
| download | blackbird-obmc-linux-40ca1988e03c001747d0b4cc1b25cf38297c9f9e.tar.gz blackbird-obmc-linux-40ca1988e03c001747d0b4cc1b25cf38297c9f9e.zip | |
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_cm.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_cm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index edf63dc0afe0..9d411f21460e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -1384,7 +1384,7 @@ static ssize_t set_mode(struct device *d, struct device_attribute *attr, ipoib_warn(priv, "enabling connected mode " "will cause multicast packet drops\n"); - dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG); + dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO); priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM; ipoib_flush_paths(dev); @@ -1396,8 +1396,11 @@ static ssize_t set_mode(struct device *d, struct device_attribute *attr, dev->mtu = min(priv->mcast_mtu, dev->mtu); ipoib_flush_paths(dev); - if (test_bit(IPOIB_FLAG_CSUM, &priv->flags)) + if (test_bit(IPOIB_FLAG_CSUM, &priv->flags)) { dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; + if (priv->hca_caps & IB_DEVICE_UD_TSO) + dev->features |= NETIF_F_TSO; + } return count; } |
