diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 22:31:22 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 22:31:22 +0200 |
| commit | e1bd2ac5a6b7a8b625e40c9e9f8b6dea4cf22f85 (patch) | |
| tree | 9366e9fb481da2c7195ca3f2bafeffebbf001363 /net/bridge/br_if.c | |
| parent | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus (diff) | |
| parent | [TG3]: Update version to 3.78. (diff) | |
| download | linux-e1bd2ac5a6b7a8b625e40c9e9f8b6dea4cf22f85.tar.xz linux-e1bd2ac5a6b7a8b625e40c9e9f8b6dea4cf22f85.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (183 commits)
[TG3]: Update version to 3.78.
[TG3]: Add missing NVRAM strapping.
[TG3]: Enable auto MDI.
[TG3]: Fix the polarity bit.
[TG3]: Fix irq_sync race condition.
[NET_SCHED]: ematch: module autoloading
[TCP]: tcp probe wraparound handling and other changes
[RTNETLINK]: rtnl_link: allow specifying initial device address
[RTNETLINK]: rtnl_link API simplification
[VLAN]: Fix MAC address handling
[ETH]: Validate address in eth_mac_addr
[NET]: Fix races in net_rx_action vs netpoll.
[AF_UNIX]: Rewrite garbage collector, fixes race.
[NETFILTER]: {ip, nf}_conntrack_sctp: fix remotely triggerable NULL ptr dereference (CVE-2007-2876)
[NET]: Make all initialized struct seq_operations const.
[UDP]: Fix length check.
[IPV6]: Remove unneeded pointer idev from addrconf_cleanup().
[DECNET]: Another unnecessary net/tcp.h inclusion in net/dn.h
[IPV6]: Make IPV6_{RECV,2292}RTHDR boolean options.
[IPV6]: Do not send RH0 anymore.
...
Fixed up trivial conflict in Documentation/feature-removal-schedule.txt
manually.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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; |