diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 180231c5bbbe8335275aa4611467a31d0dcc8e3b..f91a1fb5da7ce470f44409af0cfb8fcae51fabf3 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -134,6 +134,7 @@ struct inet_timewait_sock {
struct inet_bind_bucket *tw_tb;
struct hlist_node tw_death_node;
};
+#define tw_tclass tw_tos
static inline void inet_twsk_add_node_rcu(struct inet_timewait_sock *tw,
struct hlist_nulls_head *list)
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3b5ac1fbff39f50c51e55b07bd743172d1a9e0e5..a366a8a1fe2380e92ce604a21d44e8e598e484f4 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -486,7 +486,8 @@ extern int ip6_rcv_finish(struct sk_buff *skb);
extern int ip6_xmit(struct sock *sk,
struct sk_buff *skb,
struct flowi6 *fl6,
- struct ipv6_txoptions *opt);
+ struct ipv6_txoptions *opt,
+ int tclass);
extern int ip6_nd_hdr(struct sock *sk,
struct sk_buff *skb,
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index b74f76117dcf6fde6e660cafe7334d22225bf40f..17ee85ce148dee3ac5e12e572a61f38dcfa8d381 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -271,7 +271,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req,
&ireq6->loc_addr,
&ireq6->rmt_addr);
ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
- err = ip6_xmit(sk, skb, &fl6, opt);
+ err = ip6_xmit(sk, skb, &fl6, opt, np->tclass);
err = net_xmit_eval(err);
}
@@ -326,7 +326,7 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
if (!IS_ERR(dst)) {
skb_dst_set(skb, dst);
- ip6_xmit(ctl_sk, skb, &fl6, NULL);
+ ip6_xmit(ctl_sk, skb, &fl6, NULL, 0);
DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
return;
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 85a2fbebd7ef63f30b17770442097d3f049dc39e..66363b689ad652586e35ecc49362fee864cf7685 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -345,6 +345,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
tw6 = inet6_twsk((struct sock *)tw);
ipv6_addr_copy(&tw6->tw_v6_daddr, &np->daddr);
ipv6_addr_copy(&tw6->tw_v6_rcv_saddr, &np->rcv_saddr);
+ tw->tw_tclass = np->tclass;
tw->tw_ipv6only = np->ipv6only;
}
#endif
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 2916200f90c1d21541e43012c5346929831b89c9..fee46d5a2f125f54451f5115dbddd050138af3a7 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -248,7 +248,7 @@ int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
/* Restore final destination back after routing done */
ipv6_addr_copy(&fl6.daddr, &np->daddr);
- res = ip6_xmit(sk, skb, &fl6, np->opt);
+ res = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
rcu_read_unlock();
return res;
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 1c9bf8b5c30adad2e1250177aaffa9f70036a590..ff300474bee7b257cccb74153374ea138f38c6d0 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -180,7 +180,7 @@ int ip6_output(struct sk_buff *skb)
*/
int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
- struct ipv6_txoptions *opt)
+ struct ipv6_txoptions *opt, int tclass)
{
struct net *net = sock_net(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
@@ -190,7 +190,6 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
u8 proto = fl6->flowi6_proto;
int seg_len = skb->len;
int hlimit = -1;
- int tclass = 0;
u32 mtu;
if (opt) {
@@ -228,10 +227,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
/*
* Fill in the IPv6 header
*/
- if (np) {
- tclass = np->tclass;
+ if (np)
hlimit = np->hop_limit;
- }
if (hlimit < 0)
hlimit = ip6_dst_hoplimit(dst);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c8683fcc487a82c97b3e14ba4d170057818a092e..10b2b3165a1aff4ebc6cde947aae64a687b11a5b 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -513,7 +513,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
- err = ip6_xmit(sk, skb, &fl6, opt);
+ err = ip6_xmit(sk, skb, &fl6, opt, np->tclass);
err = net_xmit_eval(err);
}
@@ -979,7 +979,7 @@ static int tcp6_gro_complete(struct sk_buff *skb)
}
static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
- u32 ts, struct tcp_md5sig_key *key, int rst)
+ u32 ts, struct tcp_md5sig_key *key, int rst, u8 tclass)
{
const struct tcphdr *th = tcp_hdr(skb);
struct tcphdr *t1;
@@ -1060,7 +1060,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
dst = ip6_dst_lookup_flow(ctl_sk, &fl6, NULL, false);
if (!IS_ERR(dst)) {
skb_dst_set(buff, dst);
- ip6_xmit(ctl_sk, buff, &fl6, NULL);
+ ip6_xmit(ctl_sk, buff, &fl6, NULL, tclass);
TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
if (rst)
TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);
@@ -1093,13 +1093,13 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
ack_seq = ntohl(th->seq) + th->syn + th->fin + skb->len -
(th->doff << 2);
- tcp_v6_send_response(skb, seq, ack_seq, 0, 0, key, 1);
+ tcp_v6_send_response(skb, seq, ack_seq, 0, 0, key, 1, 0);
}
static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts,
- struct tcp_md5sig_key *key)
+ struct tcp_md5sig_key *key, u8 tclass)
{
- tcp_v6_send_response(skb, seq, ack, win, ts, key, 0);
+ tcp_v6_send_response(skb, seq, ack, win, ts, key, 0, tclass);
}
static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
@@ -1109,7 +1109,8 @@ static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
tcp_v6_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
- tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw));
+ tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw),
+ tw->tw_tclass);
inet_twsk_put(tw);
}
@@ -1118,7 +1119,7 @@ static void tcp_v6_reqsk_send_ack(struct sock *sk, struct sk_buff *skb,
struct request_sock *req)
{
tcp_v6_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent,
- tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr));
+ tcp_v6_md5_do_lookup(sk, &ipv6_hdr(skb)->daddr), 0);
}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index aabaee41dd3eb07613629e78462601003902dee6..810427833bcdc9096e0105bfdb1c731fd71baf31 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -243,7 +243,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport)
if (!(transport->param_flags & SPP_PMTUD_ENABLE))
skb->local_df = 1;
- return ip6_xmit(sk, skb, &fl6, np->opt);
+ return ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
}
/* Returns the dst cache entry for the given source and destination ip