diff options
author | Arnd Bergmann <arnd@arndb.de> | 2012-03-16 20:25:17 +0000 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-16 20:25:17 +0000 |
commit | a94c7b0a8f31a8bcf3b136d469f7eb6b6b57bb78 (patch) | |
tree | cac33ce0abaaeb56b6e08a396cb7ff4e3e3b8f61 /net/openvswitch/actions.c | |
parent | d4ef467aea0fdcd5e75a4bbfaf97e579bbe532f3 (diff) | |
parent | 9652e8bd16e73f7a34cabf1ab114aaa5c97db660 (diff) |
Merge branch 'spear/dt' into next/dt2
* spear/dt:
ARM: SPEAr600: Add device-tree support to SPEAr600 boards
(update to v3.3-rc7)
Conflicts:
arch/arm/mach-spear6xx/spear6xx.c
arch/arm/mach-vexpress/Kconfig
The conflicts are between the previous contents of the next/dt2
branch and upstream changes from v3.3-rc7.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'net/openvswitch/actions.c')
-rw-r--r-- | net/openvswitch/actions.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index 2725d1bdf29..48badffaafc 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2007-2011 Nicira Networks. + * Copyright (c) 2007-2012 Nicira Networks. * * This program is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -145,9 +145,16 @@ static void set_ip_addr(struct sk_buff *skb, struct iphdr *nh, inet_proto_csum_replace4(&tcp_hdr(skb)->check, skb, *addr, new_addr, 1); } else if (nh->protocol == IPPROTO_UDP) { - if (likely(transport_len >= sizeof(struct udphdr))) - inet_proto_csum_replace4(&udp_hdr(skb)->check, skb, - *addr, new_addr, 1); + if (likely(transport_len >= sizeof(struct udphdr))) { + struct udphdr *uh = udp_hdr(skb); + + if (uh->check || skb->ip_summed == CHECKSUM_PARTIAL) { + inet_proto_csum_replace4(&uh->check, skb, + *addr, new_addr, 1); + if (!uh->check) + uh->check = CSUM_MANGLED_0; + } + } } csum_replace4(&nh->check, *addr, new_addr); @@ -197,8 +204,22 @@ static void set_tp_port(struct sk_buff *skb, __be16 *port, skb->rxhash = 0; } -static int set_udp_port(struct sk_buff *skb, - const struct ovs_key_udp *udp_port_key) +static void set_udp_port(struct sk_buff *skb, __be16 *port, __be16 new_port) +{ + struct udphdr *uh = udp_hdr(skb); + + if (uh->check && skb->ip_summed != CHECKSUM_PARTIAL) { + set_tp_port(skb, port, new_port, &uh->check); + + if (!uh->check) + uh->check = CSUM_MANGLED_0; + } else { + *port = new_port; + skb->rxhash = 0; + } +} + +static int set_udp(struct sk_buff *skb, const struct ovs_key_udp *udp_port_key) { struct udphdr *uh; int err; @@ -210,16 +231,15 @@ static int set_udp_port(struct sk_buff *skb, uh = udp_hdr(skb); if (udp_port_key->udp_src != uh->source) - set_tp_port(skb, &uh->source, udp_port_key->udp_src, &uh->check); + set_udp_port(skb, &uh->source, udp_port_key->udp_src); if (udp_port_key->udp_dst != uh->dest) - set_tp_port(skb, &uh->dest, udp_port_key->udp_dst, &uh->check); + set_udp_port(skb, &uh->dest, udp_port_key->udp_dst); return 0; } -static int set_tcp_port(struct sk_buff *skb, - const struct ovs_key_tcp *tcp_port_key) +static int set_tcp(struct sk_buff *skb, const struct ovs_key_tcp *tcp_port_key) { struct tcphdr *th; int err; @@ -328,11 +348,11 @@ static int execute_set_action(struct sk_buff *skb, break; case OVS_KEY_ATTR_TCP: - err = set_tcp_port(skb, nla_data(nested_attr)); + err = set_tcp(skb, nla_data(nested_attr)); break; case OVS_KEY_ATTR_UDP: - err = set_udp_port(skb, nla_data(nested_attr)); + err = set_udp(skb, nla_data(nested_attr)); break; } |