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Add sysctl to perform bridge refresh. This is required if bridged

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configurations include loadable interfaces. After loading new
interface drivers, perform a 'sysctl -w net.link.ether.bridge_refresh=1'
and the bridge code will reinitialize itself.

Submitted by: <vsilyaev@mindspring.com>
This commit is contained in:
Nick Sayer 2000-07-20 17:07:06 +00:00
parent a5213f145a
commit 12dc24ded3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=63672
1 changed files with 29 additions and 7 deletions
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36
sys/net/bridge.c
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@ -118,6 +118,7 @@
#define DEB(x)
static void bdginit(void *);
static void bdgtakeifaces(void);
static void flush_table(void);
static void bdg_promisc_on(void);
static void parse_bdg_cfg(void);
@ -321,6 +322,16 @@ sysctl_bdg_cfg(SYSCTL_HANDLER_ARGS)
return error ;
}
static int
sysctl_refresh SYSCTL_HANDLER_ARGS
{
if (req->newptr)
bdgtakeifaces();
return 0;
}
SYSCTL_DECL(_net_link_ether);
SYSCTL_PROC(_net_link_ether, OID_AUTO, bridge_cfg, CTLTYPE_STRING|CTLFLAG_RW,
&bridge_cfg, sizeof(bridge_cfg), &sysctl_bdg_cfg, "A",
@ -340,6 +351,9 @@ int bdg_ipfw_colls;
SYSCTL_INT(_net_link_ether, OID_AUTO, bridge_ipfw_collisions,
CTLFLAG_RW, &bdg_ipfw_colls,0,"");
SYSCTL_PROC(_net_link_ether, OID_AUTO, bridge_refresh, CTLTYPE_INT|CTLFLAG_WR,
NULL, 0, &sysctl_refresh, "I", "iface refresh");
#if 1 /* diagnostic vars */
int bdg_in_count = 0 , bdg_in_ticks = 0 , bdg_fw_count = 0, bdg_fw_ticks = 0 ;
SYSCTL_INT(_net_link_ether, OID_AUTO, bdginc, CTLFLAG_RW, &bdg_in_count,0,"");
@ -419,11 +433,6 @@ int bdg_ports ;
static void
bdginit(void *dummy)
{
int i ;
struct ifnet *ifp;
struct arpcom *ac ;
u_char *eth_addr ;
struct bdg_softc *bp;
if (bdg_table == NULL)
bdg_table = (struct hash_table *)
@ -436,8 +445,23 @@ bdginit(void *dummy)
bzero(ifp2sc, BDG_MAX_PORTS * sizeof(struct bdg_softc) );
bzero(&bdg_stats, sizeof(bdg_stats) );
bdgtakeifaces();
bdg_timeout(0);
do_bridge=0;
}
void
bdgtakeifaces(void)
{
int i ;
struct ifnet *ifp;
struct arpcom *ac ;
u_char *eth_addr ;
struct bdg_softc *bp;
bdg_ports = 0 ;
eth_addr = bdg_addresses ;
*bridge_cfg = '\0';
printf("BRIDGE 990810, have %d interfaces\n", if_index);
for (i = 0 , ifp = ifnet.tqh_first ; i < if_index ;
@ -466,8 +490,6 @@ bdginit(void *dummy)
bdg_ports ++ ;
}
bdg_timeout(0);
do_bridge=0;
}
/*