diff options
| author | David Greenman <dg@FreeBSD.org> | 1996-01-31 11:02:05 +0000 |
|---|---|---|
| committer | David Greenman <dg@FreeBSD.org> | 1996-01-31 11:02:05 +0000 |
| commit | 9e5479e60f899bffe180cc7ccf1bc627cc967489 (patch) | |
| tree | acfca405369829ae1d9139ee48ebe79d976cbfce | |
| parent | 2c778829f04535bec9272d4cc1504b649aa82d90 (diff) | |
Notes
| -rw-r--r-- | sys/netinet/tcp_output.c | 13 | ||||
| -rw-r--r-- | sys/netinet/tcp_usrreq.c | 21 | ||||
| -rw-r--r-- | sys/netinet/tcp_var.h | 3 |
3 files changed, 25 insertions, 12 deletions
diff --git a/sys/netinet/tcp_output.c b/sys/netinet/tcp_output.c index 958713c48e32..cfed3d2fb26f 100644 --- a/sys/netinet/tcp_output.c +++ b/sys/netinet/tcp_output.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_output.c 8.3 (Berkeley) 12/30/93 - * $Id: tcp_output.c,v 1.12 1995/09/13 17:36:31 wollman Exp $ + * $Id: tcp_output.c,v 1.11.4.1 1995/09/15 08:58:07 davidg Exp $ */ #include <sys/param.h> @@ -384,15 +384,8 @@ send: case TH_SYN: opt[optlen++] = TCPOPT_NOP; opt[optlen++] = TCPOPT_NOP; - - if (taop->tao_ccsent != 0 && - CC_GEQ(tp->cc_send, taop->tao_ccsent)) { - opt[optlen++] = TCPOPT_CC; - taop->tao_ccsent = tp->cc_send; - } else { - opt[optlen++] = TCPOPT_CCNEW; - taop->tao_ccsent = 0; - } + opt[optlen++] = tp->t_flags & TF_SENDCCNEW ? + TCPOPT_CCNEW : TCPOPT_CC; opt[optlen++] = TCPOLEN_CC; *(u_int32_t *)&opt[optlen] = htonl(tp->cc_send); optlen += 4; diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index 4ea6c47b7358..ac6e82cf18ca 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * From: @(#)tcp_usrreq.c 8.2 (Berkeley) 1/3/94 - * $Id: tcp_usrreq.c,v 1.15.2.1 1995/09/15 09:01:55 davidg Exp $ + * $Id: tcp_usrreq.c,v 1.15.2.2 1995/11/03 07:53:59 davidg Exp $ */ #include <sys/param.h> @@ -407,6 +407,8 @@ tcp_connect(tp, nam) struct sockaddr_in *sin = mtod(nam, struct sockaddr_in *); struct sockaddr_in *ifaddr; int error; + struct rmxp_tao *taop; + struct rmxp_tao tao_noncached; if (inp->inp_lport == 0) { error = in_pcbbind(inp, NULL); @@ -459,7 +461,24 @@ tcp_connect(tp, nam) tp->t_timer[TCPT_KEEP] = TCPTV_KEEP_INIT; tp->iss = tcp_iss; tcp_iss += TCP_ISSINCR/2; tcp_sendseqinit(tp); + + /* + * Generate a CC value for this connection and + * check whether CC or CCnew should be used. + */ + if ((taop = tcp_gettaocache(tp->t_inpcb)) == NULL) { + taop = &tao_noncached; + bzero(taop, sizeof(*taop)); + } + tp->cc_send = CC_INC(tcp_ccgen); + if (taop->tao_ccsent != 0 && + CC_GEQ(tp->cc_send, taop->tao_ccsent)) { + taop->tao_ccsent = tp->cc_send; + } else { + taop->tao_ccsent = 0; + tp->t_flags |= TF_SENDCCNEW; + } return 0; } diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 0ac6a74c61cb..9f3f6acfc128 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_var.h 8.3 (Berkeley) 4/10/94 - * $Id: tcp_var.h,v 1.11.4.1 1995/07/23 05:02:02 davidg Exp $ + * $Id: tcp_var.h,v 1.11.4.2 1995/07/29 23:16:53 davidg Exp $ */ #ifndef _NETINET_TCP_VAR_H_ @@ -70,6 +70,7 @@ struct tcpcb { #define TF_NOPUSH 0x1000 /* don't push */ #define TF_REQ_CC 0x2000 /* have/will request CC */ #define TF_RCVD_CC 0x4000 /* a CC was received in SYN */ +#define TF_SENDCCNEW 0x8000 /* send CCnew instead of CC in SYN */ struct tcpiphdr *t_template; /* skeletal packet for transmit */ struct inpcb *t_inpcb; /* back pointer to internet pcb */ |