diff options
Diffstat (limited to 'slirp/tcp_output.c')
| -rw-r--r-- | slirp/tcp_output.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/slirp/tcp_output.c b/slirp/tcp_output.c index b79bcf1279..b4be123dc6 100644 --- a/slirp/tcp_output.c +++ b/slirp/tcp_output.c @@ -37,8 +37,8 @@ /* * Changes and additions relating to SLiRP * Copyright (c) 1995 Danny Gasparovski. - * - * Please read the file COPYRIGHT for the + * + * Please read the file COPYRIGHT for the * terms and conditions of the copyright. */ @@ -57,7 +57,7 @@ char *tcpstates[] = { u_char tcp_outflags[TCP_NSTATES] = { TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK, - TH_ACK, TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, + TH_ACK, TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK, }; @@ -79,10 +79,10 @@ tcp_output(tp) u_char opt[MAX_TCPOPTLEN]; unsigned optlen, hdrlen; int idle, sendalot; - + DEBUG_CALL("tcp_output"); DEBUG_ARG("tp = %lx", (long )tp); - + /* * Determine length of data that should be transmitted, * and flags that will be used. @@ -103,9 +103,9 @@ again: win = min(tp->snd_wnd, tp->snd_cwnd); flags = tcp_outflags[tp->t_state]; - + DEBUG_MISC((dfd, " --- tcp_output flags = 0x%x\n",flags)); - + /* * If in persist timeout with window of 0, send 1 byte. * Otherwise, if window is small but nonzero @@ -158,7 +158,7 @@ again: tp->snd_nxt = tp->snd_una; } } - + if (len > tp->t_maxseg) { len = tp->t_maxseg; sendalot = 1; @@ -200,7 +200,7 @@ again: * window, then want to send a window update to peer. */ if (win > 0) { - /* + /* * "adv" is the amount we can increase the window, * taking into account that we are limited by * TCP_MAXWIN << tp->rcv_scale. @@ -264,7 +264,7 @@ again: * No reason to send a segment, just return. */ tcpstat.tcps_didnuttin++; - + return (0); send: @@ -302,9 +302,9 @@ send: */ } } - + /* - * Send a timestamp and echo-reply if this is a SYN and our side + * Send a timestamp and echo-reply if this is a SYN and our side * wants to use timestamps (TF_REQ_TSTMP is set) or both our side * and our peer have sent timestamps in our SYN's. */ @@ -322,7 +322,7 @@ send: * } */ hdrlen += optlen; - + /* * Adjust data length if insertion of options will * bump the packet length beyond the t_maxseg length. @@ -356,8 +356,8 @@ send: } m->m_data += if_maxlinkhdr; m->m_len = hdrlen; - - /* + + /* * This will always succeed, since we make sure our mbufs * are big enough to hold one MSS packet + header + ... etc. */ @@ -401,7 +401,7 @@ send: } ti = mtod(m, struct tcpiphdr *); - + memcpy((caddr_t)ti, &tp->t_template, sizeof (struct tcpiphdr)); /* @@ -409,7 +409,7 @@ send: * window for use in delaying messages about window sizes. * If resending a FIN, be sure not to use a new sequence number. */ - if (flags & TH_FIN && tp->t_flags & TF_SENTFIN && + if (flags & TH_FIN && tp->t_flags & TF_SENTFIN && tp->snd_nxt == tp->snd_max) tp->snd_nxt--; /* @@ -446,10 +446,10 @@ send: if (win < (long)(tp->rcv_adv - tp->rcv_nxt)) win = (long)(tp->rcv_adv - tp->rcv_nxt); ti->ti_win = htons((u_int16_t) (win>>tp->rcv_scale)); - + if (SEQ_GT(tp->snd_up, tp->snd_una)) { ti->ti_urp = htons((u_int16_t)(tp->snd_up - ntohl(ti->ti_seq))); -#ifdef notdef +#ifdef notdef if (SEQ_GT(tp->snd_up, tp->snd_nxt)) { ti->ti_urp = htons((u_int16_t)(tp->snd_up - tp->snd_nxt)); #endif @@ -531,14 +531,14 @@ send: * the template, but need a way to checksum without them. */ m->m_len = hdrlen + len; /* XXX Needed? m_len should be correct */ - + { - + ((struct ip *)ti)->ip_len = m->m_len; ((struct ip *)ti)->ip_ttl = ip_defttl; ((struct ip *)ti)->ip_tos = so->so_iptos; - + /* #if BSD >= 43 */ /* Don't do IP options... */ /* error = ip_output(m, tp->t_inpcb->inp_options, &tp->t_inpcb->inp_route, @@ -547,7 +547,7 @@ send: error = ip_output(so, m); /* #else - * error = ip_output(m, (struct mbuf *)0, &tp->t_inpcb->inp_route, + * error = ip_output(m, (struct mbuf *)0, &tp->t_inpcb->inp_route, * so->so_options & SO_DONTROUTE); * #endif */ |