Use const and static as needed, disable unused code

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3452 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-10-26 19:01:16 +00:00
parent 31a60e2275
commit 9634d9031c
28 changed files with 163 additions and 221 deletions

View file

@ -47,7 +47,7 @@
struct socket tcb;
int tcprexmtthresh = 3;
#define TCPREXMTTHRESH 3
struct socket *tcp_last_so = &tcb;
tcp_seq tcp_iss; /* tcp initial send seq # */
@ -112,12 +112,13 @@ tcp_seq tcp_iss; /* tcp initial send seq # */
} \
}
#endif
static void tcp_dooptions(struct tcpcb *tp, u_char *cp, int cnt,
struct tcpiphdr *ti);
static void tcp_xmit_timer(register struct tcpcb *tp, int rtt);
int
tcp_reass(tp, ti, m)
register struct tcpcb *tp;
register struct tcpiphdr *ti;
struct mbuf *m;
static int
tcp_reass(register struct tcpcb *tp, register struct tcpiphdr *ti,
struct mbuf *m)
{
register struct tcpiphdr *q;
struct socket *so = tp->t_socket;
@ -402,8 +403,8 @@ findso:
goto dropwithreset;
}
sbreserve(&so->so_snd, tcp_sndspace);
sbreserve(&so->so_rcv, tcp_rcvspace);
sbreserve(&so->so_snd, TCP_SNDSPACE);
sbreserve(&so->so_rcv, TCP_RCVSPACE);
/* tcp_last_so = so; */ /* XXX ? */
/* tp = sototcpcb(so); */
@ -448,10 +449,10 @@ findso:
* Reset idle time and keep-alive timer.
*/
tp->t_idle = 0;
if (so_options)
tp->t_timer[TCPT_KEEP] = tcp_keepintvl;
if (SO_OPTIONS)
tp->t_timer[TCPT_KEEP] = TCPTV_KEEPINTVL;
else
tp->t_timer[TCPT_KEEP] = tcp_keepidle;
tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_IDLE;
/*
* Process options if not in LISTEN state,
@ -1102,7 +1103,7 @@ trimthenstep6:
if (tp->t_timer[TCPT_REXMT] == 0 ||
ti->ti_ack != tp->snd_una)
tp->t_dupacks = 0;
else if (++tp->t_dupacks == tcprexmtthresh) {
else if (++tp->t_dupacks == TCPREXMTTHRESH) {
tcp_seq onxt = tp->snd_nxt;
u_int win =
min(tp->snd_wnd, tp->snd_cwnd) / 2 /
@ -1121,7 +1122,7 @@ trimthenstep6:
if (SEQ_GT(onxt, tp->snd_nxt))
tp->snd_nxt = onxt;
goto drop;
} else if (tp->t_dupacks > tcprexmtthresh) {
} else if (tp->t_dupacks > TCPREXMTTHRESH) {
tp->snd_cwnd += tp->t_maxseg;
(void) tcp_output(tp);
goto drop;
@ -1135,7 +1136,7 @@ trimthenstep6:
* If the congestion window was inflated to account
* for the other side's cached packets, retract it.
*/
if (tp->t_dupacks > tcprexmtthresh &&
if (tp->t_dupacks > TCPREXMTTHRESH &&
tp->snd_cwnd > tp->snd_ssthresh)
tp->snd_cwnd = tp->snd_ssthresh;
tp->t_dupacks = 0;
@ -1227,7 +1228,7 @@ trimthenstep6:
*/
if (so->so_state & SS_FCANTRCVMORE) {
soisfdisconnected(so);
tp->t_timer[TCPT_2MSL] = tcp_maxidle;
tp->t_timer[TCPT_2MSL] = TCP_MAXIDLE;
}
tp->t_state = TCPS_FIN_WAIT_2;
}
@ -1490,12 +1491,8 @@ drop:
/* int *ts_present;
* u_int32_t *ts_val, *ts_ecr;
*/
void
tcp_dooptions(tp, cp, cnt, ti)
struct tcpcb *tp;
u_char *cp;
int cnt;
struct tcpiphdr *ti;
static void
tcp_dooptions(struct tcpcb *tp, u_char *cp, int cnt, struct tcpiphdr *ti)
{
u_int16_t mss;
int opt, optlen;
@ -1605,10 +1602,8 @@ tcp_pulloutofband(so, ti, m)
* and update averages and current timeout.
*/
void
tcp_xmit_timer(tp, rtt)
register struct tcpcb *tp;
int rtt;
static void
tcp_xmit_timer(register struct tcpcb *tp, int rtt)
{
register short delta;
@ -1707,7 +1702,7 @@ tcp_mss(tp, offer)
DEBUG_ARG("tp = %lx", (long)tp);
DEBUG_ARG("offer = %d", offer);
mss = min(if_mtu, if_mru) - sizeof(struct tcpiphdr);
mss = min(IF_MTU, IF_MRU) - sizeof(struct tcpiphdr);
if (offer)
mss = min(mss, offer);
mss = max(mss, 32);
@ -1716,8 +1711,12 @@ tcp_mss(tp, offer)
tp->snd_cwnd = mss;
sbreserve(&so->so_snd, tcp_sndspace+((tcp_sndspace%mss)?(mss-(tcp_sndspace%mss)):0));
sbreserve(&so->so_rcv, tcp_rcvspace+((tcp_rcvspace%mss)?(mss-(tcp_rcvspace%mss)):0));
sbreserve(&so->so_snd, TCP_SNDSPACE + ((TCP_SNDSPACE % mss) ?
(mss - (TCP_SNDSPACE % mss)) :
0));
sbreserve(&so->so_rcv, TCP_RCVSPACE + ((TCP_RCVSPACE % mss) ?
(mss - (TCP_RCVSPACE % mss)) :
0));
DEBUG_MISC((dfd, " returning mss = %d\n", mss));