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[TCP]: Rename update_send_head & include related increment to it 

There's very little need to have the packets_out incrementing in
a separate function. Also name the combined function
appropriately.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen 2007-12-31 04:43:57 -08:00 committed by David S. Miller
parent 3ccd3130b3
commit 66f5fe624f
1 changed files with 12 additions and 20 deletions
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32
net/ipv4/tcp_output.c
View File

@ -61,29 +61,22 @@ int sysctl_tcp_base_mss __read_mostly = 512;
/* By default, RFC2861 behavior. */
int sysctl_tcp_slow_start_after_idle __read_mostly = 1;
static inline void tcp_packets_out_inc(struct sock *sk,
const struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
int orig = tp->packets_out;
tp->packets_out += tcp_skb_pcount(skb);
if (!orig)
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
inet_csk(sk)->icsk_rto, TCP_RTO_MAX);
}
static void update_send_head(struct sock *sk, struct sk_buff *skb)
static void tcp_event_new_data_sent(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
unsigned int prior_packets = tp->packets_out;
tcp_advance_send_head(sk, skb);
tp->snd_nxt = TCP_SKB_CB(skb)->end_seq;
tcp_packets_out_inc(sk, skb);
/* Don't override Nagle indefinately with F-RTO */
if (tp->frto_counter == 2)
tp->frto_counter = 3;
tp->packets_out += tcp_skb_pcount(skb);
if (!prior_packets)
inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
inet_csk(sk)->icsk_rto, TCP_RTO_MAX);
}
/* SND.NXT, if window was not shrunk.
@ -1410,7 +1403,7 @@ static int tcp_mtu_probe(struct sock *sk)
/* Decrement cwnd here because we are sending
* effectively two packets. */
tp->snd_cwnd--;
update_send_head(sk, nskb);
tcp_event_new_data_sent(sk, nskb);
icsk->icsk_mtup.probe_size = tcp_mss_to_mtu(sk, nskb->len);
tp->mtu_probe.probe_seq_start = TCP_SKB_CB(nskb)->seq;
@ -1494,7 +1487,7 @@ static int tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle)
/* Advance the send_head. This one is sent out.
* This call will increment packets_out.
*/
update_send_head(sk, skb);
tcp_event_new_data_sent(sk, skb);
tcp_minshall_update(tp, mss_now, skb);
sent_pkts++;
@ -1553,7 +1546,7 @@ void tcp_push_one(struct sock *sk, unsigned int mss_now)
TCP_SKB_CB(skb)->when = tcp_time_stamp;
if (likely(!tcp_transmit_skb(sk, skb, 1, sk->sk_allocation))) {
update_send_head(sk, skb);
tcp_event_new_data_sent(sk, skb);
tcp_cwnd_validate(sk);
return;
}
@ -2528,9 +2521,8 @@ int tcp_write_wakeup(struct sock *sk)
TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
TCP_SKB_CB(skb)->when = tcp_time_stamp;
err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
if (!err) {
update_send_head(sk, skb);
}
if (!err)
tcp_event_new_data_sent(sk, skb);
return err;
} else {
if (tp->urg_mode &&