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| author | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-04-07 16:45:40 -0400 |
| commit | b37e3b6d64358604960b35e8ecbb7aed22e0926e (patch) | |
| tree | f9673afc2332c15a989d3b32f002363a92ea66e1 /include/net/if_inet6.h | |
| parent | a90c7a313a1c5b4fc99f987a2ae8f92ab0ae35c7 (diff) | |
| parent | bd39a274fb7b43374c797bafdb7f506598f36f77 (diff) | |
| download | linux-next-b37e3b6d64358604960b35e8ecbb7aed22e0926e.tar.gz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
Conflicts:
drivers/net/wireless/rtlwifi/efuse.c
drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
net/bluetooth/mgmt.c
Diffstat (limited to 'include/net/if_inet6.h')
| -rw-r--r-- | include/net/if_inet6.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index 04977eefb0ee..fccc2180c61b 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -286,5 +286,21 @@ static inline void ipv6_ib_mc_map(const struct in6_addr *addr, buf[9] = broadcast[9]; memcpy(buf + 10, addr->s6_addr + 6, 10); } + +static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr, + const unsigned char *broadcast, char *buf) +{ + if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) { + memcpy(buf, broadcast, 4); + } else { + /* v4mapped? */ + if ((addr->s6_addr32[0] | addr->s6_addr32[1] | + (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0) + return -EINVAL; + memcpy(buf, &addr->s6_addr32[3], 4); + } + return 0; +} + #endif #endif |