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authorJohn W. Linville <linville@tuxdriver.com>2011-04-07 16:45:40 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-07 16:45:40 -0400
commitb37e3b6d64358604960b35e8ecbb7aed22e0926e (patch)
treef9673afc2332c15a989d3b32f002363a92ea66e1 /include/net/if_inet6.h
parenta90c7a313a1c5b4fc99f987a2ae8f92ab0ae35c7 (diff)
parentbd39a274fb7b43374c797bafdb7f506598f36f77 (diff)
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.h16
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,
286 buf[9] = broadcast[9]; 286 buf[9] = broadcast[9];
287 memcpy(buf + 10, addr->s6_addr + 6, 10); 287 memcpy(buf + 10, addr->s6_addr + 6, 10);
288} 288}
289
290static inline int ipv6_ipgre_mc_map(const struct in6_addr *addr,
291 const unsigned char *broadcast, char *buf)
292{
293 if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0) {
294 memcpy(buf, broadcast, 4);
295 } else {
296 /* v4mapped? */
297 if ((addr->s6_addr32[0] | addr->s6_addr32[1] |
298 (addr->s6_addr32[2] ^ htonl(0x0000ffff))) != 0)
299 return -EINVAL;
300 memcpy(buf, &addr->s6_addr32[3], 4);
301 }
302 return 0;
303}
304
289#endif 305#endif
290#endif 306#endif