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DOC: tfo: bump required kernel to linux-3.7

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Support for server side TFO was actually introduced in linux-3.7,
linux-3.6 just has client support.

This patch fixes documentation and a code comment about the
kernel requirement. It also fixes a wrong tfo related code
comment in src/proto_tcp.c.
This commit is contained in:
Lukas Tribus 2013-02-13 23:35:39 +01:00 committed by Willy Tarreau
parent 39793095d7
commit 0defb90784
3 changed files with 3 additions and 3 deletions
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2
doc/configuration.txt
View File

@ -7287,7 +7287,7 @@ strict-sni
See the "crt" option for more information.
tfo
Is an optional keyword which is supported only on Linux kernels >= 3.6. It
Is an optional keyword which is supported only on Linux kernels >= 3.7. It
enables TCP Fast Open on the listening socket, which means that clients which
support this feature will be able to send a request and receive a response
during the 3-way handshake starting from second connection, thus saving one

2
include/types/listener.h
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@ -89,7 +89,7 @@ enum {
#define LI_O_CHK_MONNET 0x0020 /* check the source against a monitor-net rule */
#define LI_O_ACC_PROXY 0x0040 /* find the proxied address in the first request line */
#define LI_O_UNLIMITED 0x0080 /* listener not subject to global limits (peers & stats socket) */
#define LI_O_TCP_FO 0x0100 /* enable TCP Fast Open (linux >= 3.6) */
#define LI_O_TCP_FO 0x0100 /* enable TCP Fast Open (linux >= 3.7) */
#define LI_O_V6ONLY 0x0200 /* bind to IPv6 only on Linux >= 2.4.21 */
#define LI_O_V4V6 0x0400 /* bind to IPv4/IPv6 on Linux >= 2.4.21 */

2
src/proto_tcp.c
View File

@ -1776,7 +1776,7 @@ static int bind_parse_defer_accept(char **args, int cur_arg, struct proxy *px, s
#endif
#ifdef TCP_FASTOPEN
/* parse the "defer-accept" bind keyword */
/* parse the "tfo" bind keyword */
static int bind_parse_tfo(char **args, int cur_arg, struct proxy *px, struct bind_conf *conf, char **err)
{
struct listener *l;