diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 11:20:10 +0200 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-07-23 11:20:10 +0200 |
| commit | 39fe5434cb9de5da40510028b17b96bc4eb312b3 (patch) | |
| tree | 7a02a317b9ad57da51ca99887c119e779ccf3f13 /net/bridge/br_if.c | |
| parent | [JFFS2] Add declaration of jffs2_lzo_{init,exit} to compr.h (diff) | |
| parent | Linux 2.6.23-rc1 (diff) | |
| download | linux-39fe5434cb9de5da40510028b17b96bc4eb312b3.tar.xz linux-39fe5434cb9de5da40510028b17b96bc4eb312b3.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'net/bridge/br_if.c')
| -rw-r--r-- | net/bridge/br_if.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 849deaf14108..7b4ce9113be2 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -368,10 +368,18 @@ void br_features_recompute(struct net_bridge *br) list_for_each_entry(p, &br->port_list, list) { unsigned long feature = p->dev->features; + /* if device needs checksumming, downgrade to hw checksumming */ if (checksum & NETIF_F_NO_CSUM && !(feature & NETIF_F_NO_CSUM)) checksum ^= NETIF_F_NO_CSUM | NETIF_F_HW_CSUM; + + /* if device can't do all checksum, downgrade to ipv4/ipv6 */ if (checksum & NETIF_F_HW_CSUM && !(feature & NETIF_F_HW_CSUM)) - checksum ^= NETIF_F_HW_CSUM | NETIF_F_IP_CSUM; + checksum ^= NETIF_F_HW_CSUM + | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; + + if (checksum & NETIF_F_IPV6_CSUM && !(feature & NETIF_F_IPV6_CSUM)) + checksum &= ~NETIF_F_IPV6_CSUM; + if (!(feature & NETIF_F_IP_CSUM)) checksum = 0; |