From edb5e46fc03d0a45f2b41e3717631f7af7e9fc19 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 21 Dec 2005 19:00:58 -0800 Subject: [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 Signed-off-by: David S. Miller --- net/bridge/br_if.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net/bridge/br_if.c') diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index e6b8bb51d613..11321197338e 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -182,6 +182,7 @@ static struct net_device *new_bridge_dev(const char *name) br->bridge_id.prio[1] = 0x00; memset(br->bridge_id.addr, 0, ETH_ALEN); + br->feature_mask = dev->features; br->stp_enabled = 0; br->designated_root = br->bridge_id; br->root_path_cost = 0; @@ -349,9 +350,8 @@ void br_features_recompute(struct net_bridge *br) struct net_bridge_port *p; unsigned long features, checksum; - features = NETIF_F_SG | NETIF_F_FRAGLIST - | NETIF_F_HIGHDMA | NETIF_F_TSO; - checksum = NETIF_F_IP_CSUM; /* least commmon subset */ + features = br->feature_mask &~ NETIF_F_IP_CSUM; + checksum = br->feature_mask & NETIF_F_IP_CSUM; list_for_each_entry(p, &br->port_list, list) { if (!(p->dev->features -- cgit v1.2.3-59-g8ed1b