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author | Tony Luck <tony.luck@intel.com> | 2005-06-15 14:06:48 -0700 |
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committer | Tony Luck <tony.luck@intel.com> | 2005-06-15 14:06:48 -0700 |
commit | f2cbb4f01936a3e4225692e03b084b78c56d386d (patch) | |
tree | f89f3d8baa250589a38a4dd2df56f84cddae3c76 /net/bridge/br_if.c | |
parent | Merge with temp tree to get David's gdb inferior calls patch (diff) | |
parent | [PATCH] update ppc64 defconfig (diff) | |
download | linux-dev-f2cbb4f01936a3e4225692e03b084b78c56d386d.tar.xz linux-dev-f2cbb4f01936a3e4225692e03b084b78c56d386d.zip |
Auto merge with /home/aegl/GIT/linus
Diffstat (limited to 'net/bridge/br_if.c')
-rw-r--r-- | net/bridge/br_if.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 69872bf3b87e..91bb895375f4 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -314,6 +314,28 @@ int br_min_mtu(const struct net_bridge *br) return mtu; } +/* + * Recomputes features using slave's features + */ +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 */ + + list_for_each_entry(p, &br->port_list, list) { + if (!(p->dev->features + & (NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM))) + checksum = 0; + features &= p->dev->features; + } + + br->dev->features = features | checksum | NETIF_F_LLTX; +} + /* called with RTNL */ int br_add_if(struct net_bridge *br, struct net_device *dev) { @@ -368,6 +390,7 @@ int br_del_if(struct net_bridge *br, struct net_device *dev) spin_lock_bh(&br->lock); br_stp_recalculate_bridge_id(br); + br_features_recompute(br); spin_unlock_bh(&br->lock); return 0; |