diff options
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r-- | net/ipv4/tcp_output.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 07bb5a2b375e..bdd71db8bf90 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c | |||
@@ -515,15 +515,17 @@ static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned | |||
515 | /* Avoid the costly divide in the normal | 515 | /* Avoid the costly divide in the normal |
516 | * non-TSO case. | 516 | * non-TSO case. |
517 | */ | 517 | */ |
518 | skb_shinfo(skb)->tso_segs = 1; | 518 | skb_shinfo(skb)->gso_segs = 1; |
519 | skb_shinfo(skb)->tso_size = 0; | 519 | skb_shinfo(skb)->gso_size = 0; |
520 | skb_shinfo(skb)->gso_type = 0; | ||
520 | } else { | 521 | } else { |
521 | unsigned int factor; | 522 | unsigned int factor; |
522 | 523 | ||
523 | factor = skb->len + (mss_now - 1); | 524 | factor = skb->len + (mss_now - 1); |
524 | factor /= mss_now; | 525 | factor /= mss_now; |
525 | skb_shinfo(skb)->tso_segs = factor; | 526 | skb_shinfo(skb)->gso_segs = factor; |
526 | skb_shinfo(skb)->tso_size = mss_now; | 527 | skb_shinfo(skb)->gso_size = mss_now; |
528 | skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; | ||
527 | } | 529 | } |
528 | } | 530 | } |
529 | 531 | ||
@@ -914,7 +916,7 @@ static int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb, unsigned int | |||
914 | 916 | ||
915 | if (!tso_segs || | 917 | if (!tso_segs || |
916 | (tso_segs > 1 && | 918 | (tso_segs > 1 && |
917 | skb_shinfo(skb)->tso_size != mss_now)) { | 919 | tcp_skb_mss(skb) != mss_now)) { |
918 | tcp_set_skb_tso_segs(sk, skb, mss_now); | 920 | tcp_set_skb_tso_segs(sk, skb, mss_now); |
919 | tso_segs = tcp_skb_pcount(skb); | 921 | tso_segs = tcp_skb_pcount(skb); |
920 | } | 922 | } |
@@ -1724,8 +1726,9 @@ int tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb) | |||
1724 | tp->snd_una == (TCP_SKB_CB(skb)->end_seq - 1)) { | 1726 | tp->snd_una == (TCP_SKB_CB(skb)->end_seq - 1)) { |
1725 | if (!pskb_trim(skb, 0)) { | 1727 | if (!pskb_trim(skb, 0)) { |
1726 | TCP_SKB_CB(skb)->seq = TCP_SKB_CB(skb)->end_seq - 1; | 1728 | TCP_SKB_CB(skb)->seq = TCP_SKB_CB(skb)->end_seq - 1; |
1727 | skb_shinfo(skb)->tso_segs = 1; | 1729 | skb_shinfo(skb)->gso_segs = 1; |
1728 | skb_shinfo(skb)->tso_size = 0; | 1730 | skb_shinfo(skb)->gso_size = 0; |
1731 | skb_shinfo(skb)->gso_type = 0; | ||
1729 | skb->ip_summed = CHECKSUM_NONE; | 1732 | skb->ip_summed = CHECKSUM_NONE; |
1730 | skb->csum = 0; | 1733 | skb->csum = 0; |
1731 | } | 1734 | } |
@@ -1930,8 +1933,9 @@ void tcp_send_fin(struct sock *sk) | |||
1930 | skb->csum = 0; | 1933 | skb->csum = 0; |
1931 | TCP_SKB_CB(skb)->flags = (TCPCB_FLAG_ACK | TCPCB_FLAG_FIN); | 1934 | TCP_SKB_CB(skb)->flags = (TCPCB_FLAG_ACK | TCPCB_FLAG_FIN); |
1932 | TCP_SKB_CB(skb)->sacked = 0; | 1935 | TCP_SKB_CB(skb)->sacked = 0; |
1933 | skb_shinfo(skb)->tso_segs = 1; | 1936 | skb_shinfo(skb)->gso_segs = 1; |
1934 | skb_shinfo(skb)->tso_size = 0; | 1937 | skb_shinfo(skb)->gso_size = 0; |
1938 | skb_shinfo(skb)->gso_type = 0; | ||
1935 | 1939 | ||
1936 | /* FIN eats a sequence byte, write_seq advanced by tcp_queue_skb(). */ | 1940 | /* FIN eats a sequence byte, write_seq advanced by tcp_queue_skb(). */ |
1937 | TCP_SKB_CB(skb)->seq = tp->write_seq; | 1941 | TCP_SKB_CB(skb)->seq = tp->write_seq; |
@@ -1963,8 +1967,9 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) | |||
1963 | skb->csum = 0; | 1967 | skb->csum = 0; |
1964 | TCP_SKB_CB(skb)->flags = (TCPCB_FLAG_ACK | TCPCB_FLAG_RST); | 1968 | TCP_SKB_CB(skb)->flags = (TCPCB_FLAG_ACK | TCPCB_FLAG_RST); |
1965 | TCP_SKB_CB(skb)->sacked = 0; | 1969 | TCP_SKB_CB(skb)->sacked = 0; |
1966 | skb_shinfo(skb)->tso_segs = 1; | 1970 | skb_shinfo(skb)->gso_segs = 1; |
1967 | skb_shinfo(skb)->tso_size = 0; | 1971 | skb_shinfo(skb)->gso_size = 0; |
1972 | skb_shinfo(skb)->gso_type = 0; | ||
1968 | 1973 | ||
1969 | /* Send it off. */ | 1974 | /* Send it off. */ |
1970 | TCP_SKB_CB(skb)->seq = tcp_acceptable_seq(sk, tp); | 1975 | TCP_SKB_CB(skb)->seq = tcp_acceptable_seq(sk, tp); |
@@ -2047,8 +2052,9 @@ struct sk_buff * tcp_make_synack(struct sock *sk, struct dst_entry *dst, | |||
2047 | TCP_SKB_CB(skb)->seq = tcp_rsk(req)->snt_isn; | 2052 | TCP_SKB_CB(skb)->seq = tcp_rsk(req)->snt_isn; |
2048 | TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(skb)->seq + 1; | 2053 | TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(skb)->seq + 1; |
2049 | TCP_SKB_CB(skb)->sacked = 0; | 2054 | TCP_SKB_CB(skb)->sacked = 0; |
2050 | skb_shinfo(skb)->tso_segs = 1; | 2055 | skb_shinfo(skb)->gso_segs = 1; |
2051 | skb_shinfo(skb)->tso_size = 0; | 2056 | skb_shinfo(skb)->gso_size = 0; |
2057 | skb_shinfo(skb)->gso_type = 0; | ||
2052 | th->seq = htonl(TCP_SKB_CB(skb)->seq); | 2058 | th->seq = htonl(TCP_SKB_CB(skb)->seq); |
2053 | th->ack_seq = htonl(tcp_rsk(req)->rcv_isn + 1); | 2059 | th->ack_seq = htonl(tcp_rsk(req)->rcv_isn + 1); |
2054 | if (req->rcv_wnd == 0) { /* ignored for retransmitted syns */ | 2060 | if (req->rcv_wnd == 0) { /* ignored for retransmitted syns */ |
@@ -2152,8 +2158,9 @@ int tcp_connect(struct sock *sk) | |||
2152 | TCP_SKB_CB(buff)->flags = TCPCB_FLAG_SYN; | 2158 | TCP_SKB_CB(buff)->flags = TCPCB_FLAG_SYN; |
2153 | TCP_ECN_send_syn(sk, tp, buff); | 2159 | TCP_ECN_send_syn(sk, tp, buff); |
2154 | TCP_SKB_CB(buff)->sacked = 0; | 2160 | TCP_SKB_CB(buff)->sacked = 0; |
2155 | skb_shinfo(buff)->tso_segs = 1; | 2161 | skb_shinfo(buff)->gso_segs = 1; |
2156 | skb_shinfo(buff)->tso_size = 0; | 2162 | skb_shinfo(buff)->gso_size = 0; |
2163 | skb_shinfo(buff)->gso_type = 0; | ||
2157 | buff->csum = 0; | 2164 | buff->csum = 0; |
2158 | TCP_SKB_CB(buff)->seq = tp->write_seq++; | 2165 | TCP_SKB_CB(buff)->seq = tp->write_seq++; |
2159 | TCP_SKB_CB(buff)->end_seq = tp->write_seq; | 2166 | TCP_SKB_CB(buff)->end_seq = tp->write_seq; |
@@ -2257,8 +2264,9 @@ void tcp_send_ack(struct sock *sk) | |||
2257 | buff->csum = 0; | 2264 | buff->csum = 0; |
2258 | TCP_SKB_CB(buff)->flags = TCPCB_FLAG_ACK; | 2265 | TCP_SKB_CB(buff)->flags = TCPCB_FLAG_ACK; |
2259 | TCP_SKB_CB(buff)->sacked = 0; | 2266 | TCP_SKB_CB(buff)->sacked = 0; |
2260 | skb_shinfo(buff)->tso_segs = 1; | 2267 | skb_shinfo(buff)->gso_segs = 1; |
2261 | skb_shinfo(buff)->tso_size = 0; | 2268 | skb_shinfo(buff)->gso_size = 0; |
2269 | skb_shinfo(buff)->gso_type = 0; | ||
2262 | 2270 | ||
2263 | /* Send it off, this clears delayed acks for us. */ | 2271 | /* Send it off, this clears delayed acks for us. */ |
2264 | TCP_SKB_CB(buff)->seq = TCP_SKB_CB(buff)->end_seq = tcp_acceptable_seq(sk, tp); | 2272 | TCP_SKB_CB(buff)->seq = TCP_SKB_CB(buff)->end_seq = tcp_acceptable_seq(sk, tp); |
@@ -2293,8 +2301,9 @@ static int tcp_xmit_probe_skb(struct sock *sk, int urgent) | |||
2293 | skb->csum = 0; | 2301 | skb->csum = 0; |
2294 | TCP_SKB_CB(skb)->flags = TCPCB_FLAG_ACK; | 2302 | TCP_SKB_CB(skb)->flags = TCPCB_FLAG_ACK; |
2295 | TCP_SKB_CB(skb)->sacked = urgent; | 2303 | TCP_SKB_CB(skb)->sacked = urgent; |
2296 | skb_shinfo(skb)->tso_segs = 1; | 2304 | skb_shinfo(skb)->gso_segs = 1; |
2297 | skb_shinfo(skb)->tso_size = 0; | 2305 | skb_shinfo(skb)->gso_size = 0; |
2306 | skb_shinfo(skb)->gso_type = 0; | ||
2298 | 2307 | ||
2299 | /* Use a previous sequence. This should cause the other | 2308 | /* Use a previous sequence. This should cause the other |
2300 | * end to send an ack. Don't queue or clone SKB, just | 2309 | * end to send an ack. Don't queue or clone SKB, just |