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-rw-r--r--include/net/inet_sock.h2
-rw-r--r--include/net/tcp.h1
-rw-r--r--net/ipv4/inet_connection_sock.c2
-rw-r--r--net/ipv4/syncookies.c1
-rw-r--r--net/ipv4/tcp_output.c2
5 files changed, 6 insertions, 2 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index dced3f6..de0ecc7 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -61,8 +61,8 @@ struct inet_request_sock {
struct request_sock req;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
u16 inet6_rsk_offset;
- /* 2 bytes hole, try to pack */
#endif
+ __be16 loc_port;
__be32 loc_addr;
__be32 rmt_addr;
__be16 rmt_port;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 12c9b4f..f6cc341 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -976,6 +976,7 @@ static inline void tcp_openreq_init(struct request_sock *req,
ireq->acked = 0;
ireq->ecn_ok = 0;
ireq->rmt_port = tcp_hdr(skb)->source;
+ ireq->loc_port = tcp_hdr(skb)->dest;
}
extern void tcp_enter_memory_pressure(struct sock *sk);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 432c570..21fcc5a 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -516,6 +516,8 @@ struct sock *inet_csk_clone(struct sock *sk, const struct request_sock *req,
newicsk->icsk_bind_hash = NULL;
inet_sk(newsk)->dport = inet_rsk(req)->rmt_port;
+ inet_sk(newsk)->num = ntohs(inet_rsk(req)->loc_port);
+ inet_sk(newsk)->sport = inet_rsk(req)->loc_port;
newsk->sk_write_space = sk_stream_write_space;
newicsk->icsk_retransmits = 0;
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 929302b..d346c22 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -297,6 +297,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
treq->rcv_isn = ntohl(th->seq) - 1;
treq->snt_isn = cookie;
req->mss = mss;
+ ireq->loc_port = th->dest;
ireq->rmt_port = th->source;
ireq->loc_addr = ip_hdr(skb)->daddr;
ireq->rmt_addr = ip_hdr(skb)->saddr;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index a8499ef..493553c 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2275,7 +2275,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
th->syn = 1;
th->ack = 1;
TCP_ECN_make_synack(req, th);
- th->source = inet_sk(sk)->sport;
+ th->source = ireq->loc_port;
th->dest = ireq->rmt_port;
/* Setting of flags are superfluous here for callers (and ECE is
* not even correctly set)