diff options
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 280efe5f19c1..ec2702882d8d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c | |||
@@ -1316,9 +1316,11 @@ static bool tcp_fastopen_check(struct sock *sk, struct sk_buff *skb, | |||
1316 | tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->end_seq; | 1316 | tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->end_seq; |
1317 | return true; | 1317 | return true; |
1318 | } | 1318 | } |
1319 | |||
1319 | if (foc->len == TCP_FASTOPEN_COOKIE_SIZE) { | 1320 | if (foc->len == TCP_FASTOPEN_COOKIE_SIZE) { |
1320 | if ((sysctl_tcp_fastopen & TFO_SERVER_COOKIE_NOT_CHKED) == 0) { | 1321 | if ((sysctl_tcp_fastopen & TFO_SERVER_COOKIE_NOT_CHKED) == 0) { |
1321 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, valid_foc); | 1322 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, |
1323 | ip_hdr(skb)->daddr, valid_foc); | ||
1322 | if ((valid_foc->len != TCP_FASTOPEN_COOKIE_SIZE) || | 1324 | if ((valid_foc->len != TCP_FASTOPEN_COOKIE_SIZE) || |
1323 | memcmp(&foc->val[0], &valid_foc->val[0], | 1325 | memcmp(&foc->val[0], &valid_foc->val[0], |
1324 | TCP_FASTOPEN_COOKIE_SIZE) != 0) | 1326 | TCP_FASTOPEN_COOKIE_SIZE) != 0) |
@@ -1329,14 +1331,16 @@ static bool tcp_fastopen_check(struct sock *sk, struct sk_buff *skb, | |||
1329 | tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->end_seq; | 1331 | tcp_rsk(req)->rcv_nxt = TCP_SKB_CB(skb)->end_seq; |
1330 | return true; | 1332 | return true; |
1331 | } else if (foc->len == 0) { /* Client requesting a cookie */ | 1333 | } else if (foc->len == 0) { /* Client requesting a cookie */ |
1332 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, valid_foc); | 1334 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, |
1335 | ip_hdr(skb)->daddr, valid_foc); | ||
1333 | NET_INC_STATS_BH(sock_net(sk), | 1336 | NET_INC_STATS_BH(sock_net(sk), |
1334 | LINUX_MIB_TCPFASTOPENCOOKIEREQD); | 1337 | LINUX_MIB_TCPFASTOPENCOOKIEREQD); |
1335 | } else { | 1338 | } else { |
1336 | /* Client sent a cookie with wrong size. Treat it | 1339 | /* Client sent a cookie with wrong size. Treat it |
1337 | * the same as invalid and return a valid one. | 1340 | * the same as invalid and return a valid one. |
1338 | */ | 1341 | */ |
1339 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, valid_foc); | 1342 | tcp_fastopen_cookie_gen(ip_hdr(skb)->saddr, |
1343 | ip_hdr(skb)->daddr, valid_foc); | ||
1340 | } | 1344 | } |
1341 | return false; | 1345 | return false; |
1342 | } | 1346 | } |