From mboxrd@z Thu Jan 1 00:00:00 1970 From: roy.qing.li@gmail.com Subject: [PATCH net-next] ipv6: move IPV6_TCLASS_SHIFT into ipv6.h Date: Wed, 8 Jan 2014 17:37:48 +0800 Message-ID: <1389173868-14387-1-git-send-email-roy.qing.li@gmail.com> To: netdev@vger.kernel.org Return-path: Received: from mail-pa0-f48.google.com ([209.85.220.48]:55864 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755649AbaAHJhv (ORCPT ); Wed, 8 Jan 2014 04:37:51 -0500 Received: by mail-pa0-f48.google.com with SMTP id bj1so1609911pad.21 for ; Wed, 08 Jan 2014 01:37:50 -0800 (PST) Received: from localhost ([1.202.252.122]) by mx.google.com with ESMTPSA id ju10sm951668pbd.33.2014.01.08.01.37.47 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Wed, 08 Jan 2014 01:37:49 -0800 (PST) Sender: netdev-owner@vger.kernel.org List-ID: From: Li RongQing Two places defined IPV6_TCLASS_SHIFT, so we should move it into ipv6.h, and use this macro as possible. Signed-off-by: Li RongQing --- include/net/ipv6.h | 1 + net/ipv6/fib6_rules.c | 4 +++- net/ipv6/ip6_gre.c | 2 -- net/ipv6/ip6_tunnel.c | 2 -- net/ipv6/ipv6_sockglue.c | 4 +++- 5 files changed, 7 insertions(+), 6 deletions(-) diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 12079c6..d819f7a 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -239,6 +239,7 @@ struct ip6_flowlabel { #define IPV6_FLOWINFO_MASK cpu_to_be32(0x0FFFFFFF) #define IPV6_FLOWLABEL_MASK cpu_to_be32(0x000FFFFF) #define IPV6_TCLASS_MASK (IPV6_FLOWINFO_MASK & ~IPV6_FLOWLABEL_MASK) +#define IPV6_TCLASS_SHIFT 20 struct ipv6_fl_socklist { struct ipv6_fl_socklist __rcu *next; diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index 3fd0a57..d50c5ca 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -150,6 +150,8 @@ static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags) { struct fib6_rule *r = (struct fib6_rule *) rule; struct flowi6 *fl6 = &fl->u.ip6; + u8 tclass = (ntohl(fl6->flowlabel) & IPV6_TCLASS_MASK) >> + IPV6_TCLASS_SHIFT; if (r->dst.plen && !ipv6_prefix_equal(&fl6->daddr, &r->dst.addr, r->dst.plen)) @@ -169,7 +171,7 @@ static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags) return 0; } - if (r->tclass && r->tclass != ((ntohl(fl6->flowlabel) >> 20) & 0xff)) + if (r->tclass && r->tclass != tclass) return 0; return 1; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index e7a440d..f3ffb43 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -61,8 +61,6 @@ static bool log_ecn_error = true; module_param(log_ecn_error, bool, 0644); MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); -#define IPV6_TCLASS_SHIFT 20 - #define HASH_SIZE_SHIFT 5 #define HASH_SIZE (1 << HASH_SIZE_SHIFT) diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 1e5e240..5db8d31 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -69,8 +69,6 @@ MODULE_ALIAS_NETDEV("ip6tnl0"); #define IP6_TNL_TRACE(x...) do {;} while(0) #endif -#define IPV6_TCLASS_SHIFT 20 - #define HASH_SIZE_SHIFT 5 #define HASH_SIZE (1 << HASH_SIZE_SHIFT) diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index af0ecb9..1c9aa35 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -1019,7 +1019,9 @@ 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 = ntohl(np->rcv_flowinfo & + IPV6_TCLASS_MASK) >> + IPV6_TCLASS_SHIFT; put_cmsg(&msg, SOL_IPV6, IPV6_TCLASS, sizeof(tclass), &tclass); } if (np->rxopt.bits.rxoinfo) { -- 1.7.10.4