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authorLi RongQing <roy.qing.li@gmail.com>2014-01-15 17:03:30 +0800
committerDavid S. Miller <davem@davemloft.net>2014-01-15 15:53:18 -0800
commitd76ed22b225c02228c643ae336f76e086fdc32f0 (patch)
treee420a54624555e185458c2d8a443820ef9a276e5 /net/ipv6/ipv6_sockglue.c
parente96a41ebde3b66dbb59d3ffa0a38dff6e5ca25a9 (diff)
downloadlinux-d76ed22b225c02228c643ae336f76e086fdc32f0.tar.bz2
ipv6: move IPV6_TCLASS_SHIFT into ipv6.h and define a helper
Two places defined IPV6_TCLASS_SHIFT, so we should move it into ipv6.h, and use this macro as possible. And define ip6_tclass helper to return tclass Signed-off-by: Li RongQing <roy.qing.li@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ipv6_sockglue.c')
-rw-r--r--net/ipv6/ipv6_sockglue.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index af0ecb94b3b4..2855b00ed49d 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -1019,7 +1019,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
put_cmsg(&msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim);
}
if (np->rxopt.bits.rxtclass) {
- int tclass = ntohl(np->rcv_flowinfo & IPV6_TCLASS_MASK) >> 20;
+ int tclass = (int)ip6_tclass(np->rcv_flowinfo);
+
put_cmsg(&msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass);
}
if (np->rxopt.bits.rxoinfo) {