diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-12-30 08:20:30 +0300 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-12-30 08:21:47 +0300 |
| commit | d392da5207352f09030e95d9ea335a4225667ec0 (patch) | |
| tree | 7d6cd1932afcad0a5619a5c504a6d93ca318187c /include/linux/in.h | |
| parent | e39d5ef678045d61812c1401f04fe8edb14d6359 (diff) | |
| parent | 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 (diff) | |
| download | linux-d392da5207352f09030e95d9ea335a4225667ec0.tar.xz | |
Merge v2.6.37-rc8 into powerpc/next
Diffstat (limited to 'include/linux/in.h')
| -rw-r--r-- | include/linux/in.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/in.h b/include/linux/in.h index 41d88a4689af..beeb6dee2b49 100644 --- a/include/linux/in.h +++ b/include/linux/in.h @@ -250,6 +250,25 @@ struct sockaddr_in { #ifdef __KERNEL__ +#include <linux/errno.h> + +static inline int proto_ports_offset(int proto) +{ + switch (proto) { + case IPPROTO_TCP: + case IPPROTO_UDP: + case IPPROTO_DCCP: + case IPPROTO_ESP: /* SPI */ + case IPPROTO_SCTP: + case IPPROTO_UDPLITE: + return 0; + case IPPROTO_AH: /* SPI */ + return 4; + default: + return -EINVAL; + } +} + static inline bool ipv4_is_loopback(__be32 addr) { return (addr & htonl(0xff000000)) == htonl(0x7f000000); |