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| author | Thomas Gleixner <tglx@linutronix.de> | 2010-12-09 18:17:25 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-12-09 18:17:25 +0100 |
| commit | d834a9dcecae834cd6b2bc5e50e1907738d9cf6a (patch) | |
| tree | 0589d753465d3fe359ba451ba6cb7798df03aaa2 /include/linux/in.h | |
| parent | a38c5380ef9f088be9f49b6e4c5d80af8b1b5cd4 (diff) | |
| parent | f658bcfb2607bf0808966a69cf74135ce98e5c2d (diff) | |
Merge branch 'x86/amd-nb' into x86/apic-cleanups
Reason: apic cleanup series depends on x86/apic, x86/amd-nb x86/platform
Conflicts:
arch/x86/include/asm/io_apic.h
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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); |