| tcp_output.c (206844) | tcp_output.c (207369) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tcp_output.c 8.4 (Berkeley) 5/24/95 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1995 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)tcp_output.c 8.4 (Berkeley) 5/24/95 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/netinet/tcp_output.c 206844 2010-04-19 15:15:36Z ken $"); | 33__FBSDID("$FreeBSD: head/sys/netinet/tcp_output.c 207369 2010-04-29 11:52:42Z bz $"); |
| 34 35#include "opt_inet.h" 36#include "opt_inet6.h" 37#include "opt_ipsec.h" 38#include "opt_tcpdebug.h" 39 40#include <sys/param.h> 41#include <sys/systm.h> --- 40 unchanged lines hidden (view full) --- 82#include <machine/in_cksum.h> 83 84#include <security/mac/mac_framework.h> 85 86#ifdef notyet 87extern struct mbuf *m_copypack(); 88#endif 89 | 34 35#include "opt_inet.h" 36#include "opt_inet6.h" 37#include "opt_ipsec.h" 38#include "opt_tcpdebug.h" 39 40#include <sys/param.h> 41#include <sys/systm.h> --- 40 unchanged lines hidden (view full) --- 82#include <machine/in_cksum.h> 83 84#include <security/mac/mac_framework.h> 85 86#ifdef notyet 87extern struct mbuf *m_copypack(); 88#endif 89 |
| 90VNET_DEFINE(int, path_mtu_discovery); 91VNET_DEFINE(int, ss_fltsz); 92VNET_DEFINE(int, ss_fltsz_local); 93VNET_DEFINE(int, tcp_do_newreno); 94VNET_DEFINE(int, tcp_do_tso); 95VNET_DEFINE(int, tcp_do_autosndbuf); 96VNET_DEFINE(int, tcp_autosndbuf_inc); 97VNET_DEFINE(int, tcp_autosndbuf_max); 98 | 90VNET_DEFINE(int, path_mtu_discovery) = 1; |
| 99SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, path_mtu_discovery, CTLFLAG_RW, 100 &VNET_NAME(path_mtu_discovery), 1, 101 "Enable Path MTU Discovery"); 102 | 91SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, path_mtu_discovery, CTLFLAG_RW, 92 &VNET_NAME(path_mtu_discovery), 1, 93 "Enable Path MTU Discovery"); 94 |
| 95VNET_DEFINE(int, ss_fltsz) = 1; |
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| 103SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, slowstart_flightsize, CTLFLAG_RW, 104 &VNET_NAME(ss_fltsz), 1, 105 "Slow start flight size"); 106 | 96SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, slowstart_flightsize, CTLFLAG_RW, 97 &VNET_NAME(ss_fltsz), 1, 98 "Slow start flight size"); 99 |
| 100VNET_DEFINE(int, ss_fltsz_local) = 4; |
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| 107SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, local_slowstart_flightsize, 108 CTLFLAG_RW, &VNET_NAME(ss_fltsz_local), 1, 109 "Slow start flight size for local networks"); 110 | 101SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, local_slowstart_flightsize, 102 CTLFLAG_RW, &VNET_NAME(ss_fltsz_local), 1, 103 "Slow start flight size for local networks"); 104 |
| 105VNET_DEFINE(int, tcp_do_newreno) = 1; |
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| 111SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, newreno, CTLFLAG_RW, 112 &VNET_NAME(tcp_do_newreno), 0, 113 "Enable NewReno Algorithms"); 114 | 106SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, newreno, CTLFLAG_RW, 107 &VNET_NAME(tcp_do_newreno), 0, 108 "Enable NewReno Algorithms"); 109 |
| 110VNET_DEFINE(int, tcp_do_tso) = 1; 111#define V_tcp_do_tso VNET(tcp_do_tso) |
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| 115SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, tso, CTLFLAG_RW, 116 &VNET_NAME(tcp_do_tso), 0, 117 "Enable TCP Segmentation Offload"); 118 | 112SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, tso, CTLFLAG_RW, 113 &VNET_NAME(tcp_do_tso), 0, 114 "Enable TCP Segmentation Offload"); 115 |
| 116VNET_DEFINE(int, tcp_do_autosndbuf) = 1; 117#define V_tcp_do_autosndbuf VNET(tcp_do_autosndbuf) |
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| 119SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_auto, CTLFLAG_RW, 120 &VNET_NAME(tcp_do_autosndbuf), 0, 121 "Enable automatic send buffer sizing"); 122 | 118SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_auto, CTLFLAG_RW, 119 &VNET_NAME(tcp_do_autosndbuf), 0, 120 "Enable automatic send buffer sizing"); 121 |
| 122VNET_DEFINE(int, tcp_autosndbuf_inc) = 8*1024; 123#define V_tcp_autosndbuf_inc VNET(tcp_autosndbuf_inc) |
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| 123SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_inc, CTLFLAG_RW, 124 &VNET_NAME(tcp_autosndbuf_inc), 0, 125 "Incrementor step size of automatic send buffer"); 126 | 124SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_inc, CTLFLAG_RW, 125 &VNET_NAME(tcp_autosndbuf_inc), 0, 126 "Incrementor step size of automatic send buffer"); 127 |
| 128VNET_DEFINE(int, tcp_autosndbuf_max) = 256*1024; 129#define V_tcp_autosndbuf_max VNET(tcp_autosndbuf_max) |
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| 127SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_max, CTLFLAG_RW, 128 &VNET_NAME(tcp_autosndbuf_max), 0, 129 "Max size of automatic send buffer"); 130 131 132/* 133 * Tcp output routine: figure out what should be sent and send it. 134 */ --- 1330 unchanged lines hidden --- | 130SYSCTL_VNET_INT(_net_inet_tcp, OID_AUTO, sendbuf_max, CTLFLAG_RW, 131 &VNET_NAME(tcp_autosndbuf_max), 0, 132 "Max size of automatic send buffer"); 133 134 135/* 136 * Tcp output routine: figure out what should be sent and send it. 137 */ --- 1330 unchanged lines hidden --- |