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| author |   Jiri Benc <jbenc@redhat.com> | 2012-02-09 09:34:41 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-02-13 00:45:38 -0500 |
| commit | 7a3198a89722ad9521d22b05938d357eac7460fa (patch) | |
| tree | ca5766b459c7a9a1502fa519a9d287c7c29dcd9c /include/linux/ipv6.h | |
| parent | aeroflex: Fix typo in greth.c (diff) | |
| download | linux-dev-7a3198a89722ad9521d22b05938d357eac7460fa.tar.xz linux-dev-7a3198a89722ad9521d22b05938d357eac7460fa.zip | |
ipv6: helper function to get tclass
Implement helper inline function to get traffic class from IPv6 header.
Signed-off-by: Jiri Benc <jbenc@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/ipv6.h')
| -rw-r--r-- | include/linux/ipv6.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 743a16a41040..4847a64d3c0a 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -233,6 +233,11 @@ static inline struct ipv6hdr *ipipv6_hdr(const struct sk_buff *skb) return (struct ipv6hdr *)skb_transport_header(skb); } +static inline __u8 ipv6_tclass(const struct ipv6hdr *iph) +{ + return (ntohl(*(__be32 *)iph) >> 20) & 0xff; +} + /* This structure contains results of exthdrs parsing as offsets from skb->nh. |