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Add sysctl to control LACP strict compliance default

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Add net.link.lagg.lacp.default_strict_mode which defines
the default value for LACP strict compliance for created
lagg devices.

Also:
* Add lacp_strict option to ifconfig(8).
* Fix lagg(4) creation examples.
* Minor style(9) fix.

MFC after:	1 week
This commit is contained in:
Steven Hartland 2015-11-06 15:33:27 +00:00
parent b670e89ac2
commit c1be893c44
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=290450
3 changed files with 26 additions and 4 deletions
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17
sbin/ifconfig/ifconfig.8
View File

@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
.Dd Aug 12, 2015
.Dd November 6, 2015
.Dt IFCONFIG 8
.Os
.Sh NAME
@ -2400,6 +2400,21 @@ which are shifted by the number of this parameter.
Enable lacp fast-timeout on the interface.
.It Cm -lacp_fast_timeout
Disable lacp fast-timeout on the interface.
.It Cm lacp_strict
Enable lacp strict compliance on the interface.
The default value can be set via the
.Va net.link.lagg.lacp.default_strict_mode
.Xr sysctl 8
variable.
.Li 0
means
.Dq disabled
and
.Li 1
means
.Dq enabled .
.It Cm -lacp_strict
Disable lacp strict compliance on the interface.
.El
.Pp
The following parameters are specific to IP tunnel interfaces,

4
share/man/man4/lagg.4
View File

@ -16,7 +16,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd October 1, 2014
.Dd November 6, 2015
.Dt LAGG 4
.Os
.Sh NAME
@ -156,6 +156,7 @@ Gigabit Ethernet interfaces:
.Bd -literal -offset indent
# ifconfig bge0 up
# ifconfig bge1 up
# ifconfig lagg0 create
# ifconfig lagg0 laggproto lacp laggport bge0 laggport bge1 \e
192.168.1.1 netmask 255.255.255.0
.Ed
@ -168,6 +169,7 @@ device will be used:
# ifconfig em0 up
# ifconfig ath0 ether 00:11:22:33:44:55
# ifconfig create wlan0 wlandev ath0 ssid my_net up
# ifconfig lagg0 create
# ifconfig lagg0 laggproto failover laggport em0 laggport wlan0 \e
192.168.1.1 netmask 255.255.255.0
.Ed

9
sys/net/ieee8023ad_lacp.c
View File

@ -196,6 +196,11 @@ SYSCTL_NODE(_net_link_lagg, OID_AUTO, lacp, CTLFLAG_RD, 0, "ieee802.3ad");
SYSCTL_INT(_net_link_lagg_lacp, OID_AUTO, debug, CTLFLAG_RWTUN | CTLFLAG_VNET,
&VNET_NAME(lacp_debug), 0, "Enable LACP debug logging (1=debug, 2=trace)");
static VNET_DEFINE(int, lacp_default_strict_mode) = 1;
SYSCTL_INT(_net_link_lagg_lacp, OID_AUTO, default_strict_mode, CTLFLAG_RWTUN,
&VNET_NAME(lacp_default_strict_mode), 0,
"LACP strict protocol compliance default");
#define LACP_DPRINTF(a) if (V_lacp_debug & 0x01) { lacp_dprintf a ; }
#define LACP_TRACE(a) if (V_lacp_debug & 0x02) { lacp_dprintf(a,"%s\n",__func__); }
#define LACP_TPRINTF(a) if (V_lacp_debug & 0x04) { lacp_dprintf a ; }
@ -765,7 +770,7 @@ lacp_attach(struct lagg_softc *sc)
lsc->lsc_hashkey = m_ether_tcpip_hash_init();
lsc->lsc_active_aggregator = NULL;
lsc->lsc_strict_mode = 1;
lsc->lsc_strict_mode = VNET(lacp_default_strict_mode);
LACP_LOCK_INIT(lsc);
TAILQ_INIT(&lsc->lsc_aggregators);
LIST_INIT(&lsc->lsc_ports);
@ -1702,7 +1707,7 @@ lacp_sm_rx_record_default(struct lacp_port *lp)
if (lp->lp_lsc->lsc_strict_mode)
lp->lp_partner = lacp_partner_admin_strict;
else
lp->lp_partner = lacp_partner_admin_optimistic;;
lp->lp_partner = lacp_partner_admin_optimistic;
lp->lp_state |= LACP_STATE_DEFAULTED;
lacp_sm_ptx_update_timeout(lp, oldpstate);
}