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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 10:47:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 10:47:18 -0800 |
| commit | 8755e568250ecd3149ecd3495d8070f3a5384f73 (patch) | |
| tree | 26e76b657020cd864b3e6fbfcee9ca86a96059c2 /net/sched/cls_flow.c | |
| parent | e33f6635da037ed4d2634ee6bdf5c4d601946c18 (diff) | |
| parent | 655d2ce073f5927194dbc28d2bd3c062a4a3caac (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (35 commits)
virtio net: fix oops on interface-up
Fix PHY Lib support for gianfar and ucc_geth
forcedeth: preserve registers
forcedeth: phy status fix
forcedeth: restart tx/rx
ipvs: Make wrr "no available servers" error message rate-limited
[PPPOL2TP]: Label unused warning when CONFIG_PROC_FS is not set.
[NET_SCHED]: cls_flow: support classification based on VLAN tag
[VLAN]: Constify skb argument to vlan_get_tag()
[NET_SCHED]: cls_flow: fix key mask validity check
[NET_SCHED]: em_meta: fix compile warning
b43: Fix DMA for 30/32-bit DMA engines
b43: fix build with CONFIG_SSB_PCIHOST=n
mac80211: Is not EXPERIMENTAL anymore
iwl3945-base.c: fix off-by-one errors
b43legacy: fix DMA slot resource leakage
b43legacy: drop packets we are not able to encrypt
b43legacy: fix suspend/resume
b43legacy: fix PIO crash
Generic HDLC - use random_ether_addr()
...
Diffstat (limited to 'net/sched/cls_flow.c')
| -rw-r--r-- | net/sched/cls_flow.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index 8d7698621f0..971b867e048 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -19,6 +19,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> +#include <linux/if_vlan.h> #include <net/pkt_cls.h> #include <net/ip.h> @@ -270,6 +271,15 @@ static u32 flow_get_skgid(const struct sk_buff *skb) return 0; } +static u32 flow_get_vlan_tag(const struct sk_buff *skb) +{ + u16 uninitialized_var(tag); + + if (vlan_get_tag(skb, &tag) < 0) + return 0; + return tag & VLAN_VID_MASK; +} + static u32 flow_key_get(const struct sk_buff *skb, int key) { switch (key) { @@ -305,6 +315,8 @@ static u32 flow_key_get(const struct sk_buff *skb, int key) return flow_get_skuid(skb); case FLOW_KEY_SKGID: return flow_get_skgid(skb); + case FLOW_KEY_VLAN_TAG: + return flow_get_vlan_tag(skb); default: WARN_ON(1); return 0; @@ -402,12 +414,13 @@ static int flow_change(struct tcf_proto *tp, unsigned long base, if (tb[TCA_FLOW_KEYS]) { keymask = nla_get_u32(tb[TCA_FLOW_KEYS]); - if (fls(keymask) - 1 > FLOW_KEY_MAX) - return -EOPNOTSUPP; nkeys = hweight32(keymask); if (nkeys == 0) return -EINVAL; + + if (fls(keymask) - 1 > FLOW_KEY_MAX) + return -EOPNOTSUPP; } err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &flow_ext_map); |