1 files changed, 13 insertions, 12 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 0dda86e72ad8..b4ed957f201a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -350,6 +350,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct sk_buff *skb,
  */
 static void tcp_init_nondata_skb(struct sk_buff *skb, u32 seq, u8 flags)
 {
+        skb->ip_summed = CHECKSUM_PARTIAL;
         skb->csum = 0;
 
         TCP_SKB_CB(skb)->flags = flags;
@@ -667,7 +668,6 @@ static unsigned tcp_synack_options(struct sock *sk,
         u8 cookie_plus = (xvp != NULL && !xvp->cookie_out_never) ?
                          xvp->cookie_plus :
                          0;
-        bool doing_ts = ireq->tstamp_ok;
 
 #ifdef CONFIG_TCP_MD5SIG
         *md5 = tcp_rsk(req)->af_specific->md5_lookup(sk, req);
@@ -680,7 +680,7 @@ static unsigned tcp_synack_options(struct sock *sk,
                  * rather than TS in order to fit in better with old,
                  * buggy kernels, but that was deemed to be unnecessary.
                  */
-                doing_ts &= !ireq->sack_ok;
+                ireq->tstamp_ok &= !ireq->sack_ok;
         }
 #else
         *md5 = NULL;
@@ -695,7 +695,7 @@ static unsigned tcp_synack_options(struct sock *sk,
                 opts->options |= OPTION_WSCALE;
                 remaining -= TCPOLEN_WSCALE_ALIGNED;
         }
-        if (likely(doing_ts)) {
+        if (likely(ireq->tstamp_ok)) {
                 opts->options |= OPTION_TS;
                 opts->tsval = TCP_SKB_CB(skb)->when;
                 opts->tsecr = req->ts_recent;
@@ -703,7 +703,7 @@ static unsigned tcp_synack_options(struct sock *sk,
         }
         if (likely(ireq->sack_ok)) {
                 opts->options |= OPTION_SACK_ADVERTISE;
-                if (unlikely(!doing_ts))
+                if (unlikely(!ireq->tstamp_ok))
                         remaining -= TCPOLEN_SACKPERM_ALIGNED;
         }
 
@@ -711,7 +711,7 @@ static unsigned tcp_synack_options(struct sock *sk,
          * If the <SYN> options fit, the same options should fit now!
          */
         if (*md5 == NULL &&
-            doing_ts &&
+            ireq->tstamp_ok &&
             cookie_plus > TCPOLEN_COOKIE_BASE) {
                 int need = cookie_plus; /* has TCPOLEN_COOKIE_BASE */
 
@@ -860,7 +860,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
                         th->urg_ptr = htons(tp->snd_up - tcb->seq);
                         th->urg = 1;
                 } else if (after(tcb->seq + 0xFFFF, tp->snd_nxt)) {
-                        th->urg_ptr = 0xFFFF;
+                        th->urg_ptr = htons(0xFFFF);
                         th->urg = 1;
                 }
         }
@@ -872,13 +872,13 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
 #ifdef CONFIG_TCP_MD5SIG
         /* Calculate the MD5 hash, as we have all we need now */
         if (md5) {
-                sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
+                sk_nocaps_add(sk, NETIF_F_GSO_MASK);
                 tp->af_specific->calc_md5_hash(opts.hash_location,
                                                md5, sk, NULL, skb);
         }
 #endif
 
-        icsk->icsk_af_ops->send_check(sk, skb->len, skb);
+        icsk->icsk_af_ops->send_check(sk, skb);
 
         if (likely(tcb->flags & TCPCB_FLAG_ACK))
                 tcp_event_ack_sent(sk, tcp_skb_pcount(skb));
@@ -887,9 +887,10 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it,
                 tcp_event_data_sent(tp, skb, sk);
 
         if (after(tcb->end_seq, tp->snd_nxt) || tcb->seq == tcb->end_seq)
-                TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
+                TCP_ADD_STATS(sock_net(sk), TCP_MIB_OUTSEGS,
+                              tcp_skb_pcount(skb));
 
-        err = icsk->icsk_af_ops->queue_xmit(skb, 0);
+        err = icsk->icsk_af_ops->queue_xmit(skb);
         if (likely(err <= 0))
                 return err;
 
@@ -2484,7 +2485,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
                         *tail-- ^= TCP_SKB_CB(skb)->seq + 1;
 
                         /* recommended */
-                        *tail-- ^= ((th->dest << 16) | th->source);
+                        *tail-- ^= (((__force u32)th->dest << 16) | (__force u32)th->source);
                         *tail-- ^= (u32)(unsigned long)cvp; /* per sockopt */
 
                         sha_transform((__u32 *)&xvp->cookie_bakery[0],
@@ -2502,7 +2503,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         th->window = htons(min(req->rcv_wnd, 65535U));
         tcp_options_write((__be32 *)(th + 1), tp, &opts);
         th->doff = (tcp_header_size >> 2);
-        TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTSEGS);
+        TCP_ADD_STATS(sock_net(sk), TCP_MIB_OUTSEGS, tcp_skb_pcount(skb));
 
 #ifdef CONFIG_TCP_MD5SIG
         /* Okay, we have all we need - do the md5 hash if needed */