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| author | Stephen Hemminger <shemminger@osdl.org> | 2005-12-21 19:00:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-03 13:11:03 -0800 |
| commit | edb5e46fc03d0a45f2b41e3717631f7af7e9fc19 (patch) | |
| tree | ede6a4e9dcdf52ff48ea2a11ac0188822b097715 /net/bridge/br_device.c | |
| parent | 0e5eabac4995e128f06b90df64b93604625de6de (diff) | |
| download | linux-edb5e46fc03d0a45f2b41e3717631f7af7e9fc19.tar.gz linux-edb5e46fc03d0a45f2b41e3717631f7af7e9fc19.tar.bz2 linux-edb5e46fc03d0a45f2b41e3717631f7af7e9fc19.zip | |
[BRIDGE]: limited ethtool support
Add limited ethtool support to bridge to allow disabling
features.
Note: if underlying device does not support a feature (like checksum
offload), then the bridge device won't inherit it.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/bridge/br_device.c')
| -rw-r--r-- | net/bridge/br_device.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index f7a66abf5def..0b33a7b3a00c 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -16,6 +16,7 @@ #include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> +#include <linux/ethtool.h> #include <asm/uaccess.h> #include "br_private.h" @@ -106,6 +107,64 @@ static int br_set_mac_address(struct net_device *dev, void *p) return err; } +static void br_getinfo(struct net_device *dev, struct ethtool_drvinfo *info) +{ + strcpy(info->driver, "bridge"); + strcpy(info->version, BR_VERSION); + strcpy(info->fw_version, "N/A"); + strcpy(info->bus_info, "N/A"); +} + +static int br_set_sg(struct net_device *dev, u32 data) +{ + struct net_bridge *br = netdev_priv(dev); + + if (data) + br->feature_mask |= NETIF_F_SG; + else + br->feature_mask &= ~NETIF_F_SG; + + br_features_recompute(br); + return 0; +} + +static int br_set_tso(struct net_device *dev, u32 data) +{ + struct net_bridge *br = netdev_priv(dev); + + if (data) + br->feature_mask |= NETIF_F_TSO; + else + br->feature_mask &= ~NETIF_F_TSO; + + br_features_recompute(br); + return 0; +} + +static int br_set_tx_csum(struct net_device *dev, u32 data) +{ + struct net_bridge *br = netdev_priv(dev); + + if (data) + br->feature_mask |= NETIF_F_IP_CSUM; + else + br->feature_mask &= ~NETIF_F_IP_CSUM; + + br_features_recompute(br); + return 0; +} + +static struct ethtool_ops br_ethtool_ops = { + .get_drvinfo = br_getinfo, + .get_link = ethtool_op_get_link, + .get_sg = ethtool_op_get_sg, + .set_sg = br_set_sg, + .get_tx_csum = ethtool_op_get_tx_csum, + .set_tx_csum = br_set_tx_csum, + .get_tso = ethtool_op_get_tso, + .set_tso = br_set_tso, +}; + void br_dev_setup(struct net_device *dev) { memset(dev->dev_addr, 0, ETH_ALEN); @@ -120,8 +179,12 @@ void br_dev_setup(struct net_device *dev) dev->change_mtu = br_change_mtu; dev->destructor = free_netdev; SET_MODULE_OWNER(dev); + SET_ETHTOOL_OPS(dev, &br_ethtool_ops); dev->stop = br_dev_stop; dev->tx_queue_len = 0; dev->set_mac_address = br_set_mac_address; dev->priv_flags = IFF_EBRIDGE; + + dev->features = NETIF_F_SG | NETIF_F_FRAGLIST + | NETIF_F_HIGHDMA | NETIF_F_TSO | NETIF_F_IP_CSUM; } |