diff options
| author | Jay Vosburgh <fubar@us.ibm.com> | 2006-01-30 15:40:59 -0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-07 02:03:28 -0500 |
| commit | a0de3adf8f4e5618c5bd62db08ed293042c8e454 (patch) | |
| tree | 1cdca0a48abfb24d07919bbeb8db5c3a592f6e89 /drivers/net/bonding | |
| parent | fa8d3549b591b6da943bad2928f994de07eaecef (diff) | |
| download | blackbird-obmc-linux-a0de3adf8f4e5618c5bd62db08ed293042c8e454.tar.gz blackbird-obmc-linux-a0de3adf8f4e5618c5bd62db08ed293042c8e454.zip | |
[PATCH] bonding: allow bond to use TSO if slaves support it
Add NETIF_F_TSO (NETIF_F_UFO) to BOND_INTERSECT_FEATURES so that it can
be used by a bonding device iff all its slave devices support TSO (UFO).
Signed-off-by: Arthur Kepner <akepner@sgi.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/bonding')
| -rw-r--r-- | drivers/net/bonding/bond_main.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 4ff006c37626..e0f51afec778 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1145,7 +1145,8 @@ int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev) } #define BOND_INTERSECT_FEATURES \ - (NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM) + (NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM|\ + NETIF_F_TSO|NETIF_F_UFO) /* * Compute the common dev->feature set available to all slaves. Some @@ -1168,6 +1169,16 @@ static int bond_compute_features(struct bonding *bond) NETIF_F_HW_CSUM))) features &= ~NETIF_F_SG; + /* + * features will include NETIF_F_TSO (NETIF_F_UFO) iff all + * slave devices support NETIF_F_TSO (NETIF_F_UFO), which + * implies that all slaves also support scatter-gather + * (NETIF_F_SG), which implies that features also includes + * NETIF_F_SG. So no need to check whether we have an + * illegal combination of NETIF_F_{TSO,UFO} and + * !NETIF_F_SG + */ + features |= (bond_dev->features & ~BOND_INTERSECT_FEATURES); bond_dev->features = features; @@ -4080,6 +4091,8 @@ static void bond_ethtool_get_drvinfo(struct net_device *bond_dev, static struct ethtool_ops bond_ethtool_ops = { .get_tx_csum = ethtool_op_get_tx_csum, + .get_tso = ethtool_op_get_tso, + .get_ufo = ethtool_op_get_ufo, .get_sg = ethtool_op_get_sg, .get_drvinfo = bond_ethtool_get_drvinfo, }; |
