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author | Gleb Smirnoff <glebius@FreeBSD.org> | 2017-10-11 20:36:09 +0000 |
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committer | Gleb Smirnoff <glebius@FreeBSD.org> | 2017-10-11 20:36:09 +0000 |
commit | 3bdf4c4274647c155aab95a305aa391dfc07022b (patch) | |
tree | 94cb9f0c59f68d666d133f5905a9c7ba765a9f1d /sys/netinet/tcp_var.h | |
parent | ab142b3f492cfa96b77b48a8b51442d9c95c8c4f (diff) | |
download | src-3bdf4c4274647c155aab95a305aa391dfc07022b.tar.gz src-3bdf4c4274647c155aab95a305aa391dfc07022b.zip |
Declare more TCP globals in tcp_var.h, so that alternative TCP stacks
can use them. Gather all TCP tunables in tcp_var.h in one place and
alphabetically sort them, to ease maintainance of the list.
Don't copy and paste declarations in tcp_stacks/fastpath.c.
Notes
Notes:
svn path=/head/; revision=324539
Diffstat (limited to 'sys/netinet/tcp_var.h')
-rw-r--r-- | sys/netinet/tcp_var.h | 105 |
1 files changed, 66 insertions, 39 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 967a51398630..1210a32eb2b4 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -201,12 +201,6 @@ struct tcpcb { #endif /* _KERNEL || _WANT_TCPCB */ #ifdef _KERNEL -/* - * Kernel variables for tcp. - */ -VNET_DECLARE(int, tcp_do_rfc1323); -#define V_tcp_do_rfc1323 VNET(tcp_do_rfc1323) - struct tcptemp { u_char tt_ipgen[40]; /* the size must be of max ip header, now IPv6 */ struct tcphdr tt_t; @@ -701,50 +695,83 @@ SYSCTL_DECL(_net_inet_tcp_sack); MALLOC_DECLARE(M_TCPLOG); #endif -VNET_DECLARE(struct inpcbhead, tcb); /* queue of active tcpcb's */ -VNET_DECLARE(struct inpcbinfo, tcbinfo); extern int tcp_log_in_vain; -VNET_DECLARE(int, tcp_mssdflt); /* XXX */ -VNET_DECLARE(int, tcp_minmss); + +/* + * Global TCP tunables shared between different stacks. + * Please keep the list sorted. + */ +VNET_DECLARE(int, drop_synfin); +VNET_DECLARE(int, path_mtu_discovery); +VNET_DECLARE(int, tcp_abc_l_var); +VNET_DECLARE(int, tcp_autorcvbuf_inc); +VNET_DECLARE(int, tcp_autorcvbuf_max); +VNET_DECLARE(int, tcp_autosndbuf_inc); +VNET_DECLARE(int, tcp_autosndbuf_max); VNET_DECLARE(int, tcp_delack_enabled); +VNET_DECLARE(int, tcp_do_autorcvbuf); +VNET_DECLARE(int, tcp_do_autosndbuf); +VNET_DECLARE(int, tcp_do_ecn); +VNET_DECLARE(int, tcp_do_rfc1323); +VNET_DECLARE(int, tcp_do_rfc3042); VNET_DECLARE(int, tcp_do_rfc3390); -VNET_DECLARE(int, tcp_initcwnd_segments); -VNET_DECLARE(int, tcp_sendspace); -VNET_DECLARE(int, tcp_recvspace); -VNET_DECLARE(int, path_mtu_discovery); VNET_DECLARE(int, tcp_do_rfc3465); -VNET_DECLARE(int, tcp_abc_l_var); -#define V_tcb VNET(tcb) -#define V_tcbinfo VNET(tcbinfo) -#define V_tcp_mssdflt VNET(tcp_mssdflt) -#define V_tcp_minmss VNET(tcp_minmss) -#define V_tcp_delack_enabled VNET(tcp_delack_enabled) -#define V_tcp_do_rfc3390 VNET(tcp_do_rfc3390) -#define V_tcp_initcwnd_segments VNET(tcp_initcwnd_segments) -#define V_tcp_sendspace VNET(tcp_sendspace) -#define V_tcp_recvspace VNET(tcp_recvspace) -#define V_path_mtu_discovery VNET(path_mtu_discovery) -#define V_tcp_do_rfc3465 VNET(tcp_do_rfc3465) -#define V_tcp_abc_l_var VNET(tcp_abc_l_var) - -VNET_DECLARE(int, tcp_do_sack); /* SACK enabled/disabled */ -VNET_DECLARE(int, tcp_sc_rst_sock_fail); /* RST on sock alloc failure */ -#define V_tcp_do_sack VNET(tcp_do_sack) -#define V_tcp_sc_rst_sock_fail VNET(tcp_sc_rst_sock_fail) - -VNET_DECLARE(int, tcp_do_ecn); /* TCP ECN enabled/disabled */ +VNET_DECLARE(int, tcp_do_rfc6675_pipe); +VNET_DECLARE(int, tcp_do_sack); +VNET_DECLARE(int, tcp_do_tso); VNET_DECLARE(int, tcp_ecn_maxretries); -#define V_tcp_do_ecn VNET(tcp_do_ecn) -#define V_tcp_ecn_maxretries VNET(tcp_ecn_maxretries) +VNET_DECLARE(int, tcp_initcwnd_segments); +VNET_DECLARE(int, tcp_insecure_rst); +VNET_DECLARE(int, tcp_insecure_syn); +VNET_DECLARE(int, tcp_minmss); +VNET_DECLARE(int, tcp_mssdflt); +VNET_DECLARE(int, tcp_recvspace); +VNET_DECLARE(int, tcp_sack_globalholes); +VNET_DECLARE(int, tcp_sack_globalmaxholes); +VNET_DECLARE(int, tcp_sack_maxholes); +VNET_DECLARE(int, tcp_sc_rst_sock_fail); +VNET_DECLARE(int, tcp_sendspace); +VNET_DECLARE(struct inpcbhead, tcb); +VNET_DECLARE(struct inpcbinfo, tcbinfo); + +#define V_drop_synfin VNET(drop_synfin) +#define V_path_mtu_discovery VNET(path_mtu_discovery) +#define V_tcb VNET(tcb) +#define V_tcbinfo VNET(tcbinfo) +#define V_tcp_abc_l_var VNET(tcp_abc_l_var) +#define V_tcp_autorcvbuf_inc VNET(tcp_autorcvbuf_inc) +#define V_tcp_autorcvbuf_max VNET(tcp_autorcvbuf_max) +#define V_tcp_autosndbuf_inc VNET(tcp_autosndbuf_inc) +#define V_tcp_autosndbuf_max VNET(tcp_autosndbuf_max) +#define V_tcp_delack_enabled VNET(tcp_delack_enabled) +#define V_tcp_do_autorcvbuf VNET(tcp_do_autorcvbuf) +#define V_tcp_do_autosndbuf VNET(tcp_do_autosndbuf) +#define V_tcp_do_ecn VNET(tcp_do_ecn) +#define V_tcp_do_rfc1323 VNET(tcp_do_rfc1323) +#define V_tcp_do_rfc3042 VNET(tcp_do_rfc3042) +#define V_tcp_do_rfc3390 VNET(tcp_do_rfc3390) +#define V_tcp_do_rfc3465 VNET(tcp_do_rfc3465) +#define V_tcp_do_rfc6675_pipe VNET(tcp_do_rfc6675_pipe) +#define V_tcp_do_sack VNET(tcp_do_sack) +#define V_tcp_do_tso VNET(tcp_do_tso) +#define V_tcp_ecn_maxretries VNET(tcp_ecn_maxretries) +#define V_tcp_initcwnd_segments VNET(tcp_initcwnd_segments) +#define V_tcp_insecure_rst VNET(tcp_insecure_rst) +#define V_tcp_insecure_syn VNET(tcp_insecure_syn) +#define V_tcp_minmss VNET(tcp_minmss) +#define V_tcp_mssdflt VNET(tcp_mssdflt) +#define V_tcp_recvspace VNET(tcp_recvspace) +#define V_tcp_sack_globalholes VNET(tcp_sack_globalholes) +#define V_tcp_sack_globalmaxholes VNET(tcp_sack_globalmaxholes) +#define V_tcp_sack_maxholes VNET(tcp_sack_maxholes) +#define V_tcp_sc_rst_sock_fail VNET(tcp_sc_rst_sock_fail) +#define V_tcp_sendspace VNET(tcp_sendspace) #ifdef TCP_HHOOK VNET_DECLARE(struct hhook_head *, tcp_hhh[HHOOK_TCP_LAST + 1]); #define V_tcp_hhh VNET(tcp_hhh) #endif -VNET_DECLARE(int, tcp_do_rfc6675_pipe); -#define V_tcp_do_rfc6675_pipe VNET(tcp_do_rfc6675_pipe) - int tcp_addoptions(struct tcpopt *, u_char *); int tcp_ccalgounload(struct cc_algo *unload_algo); struct tcpcb * |