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Solve the 'unregistered netisr 18' information notice with a sledgehammer.

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Register the ISR early, but do not actually kick off the timer until we
see some activity.  This still saves us from running the arp timers on
a system with no network cards.
This commit is contained in:
Peter Wemm 2002-06-20 01:27:40 +00:00
parent 1e081f889b
commit 532cf61bcf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=98459
1 changed files with 7 additions and 4 deletions
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11
sys/netinet/if_ether.c
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@ -102,7 +102,7 @@ struct llinfo_arp {
static LIST_HEAD(, llinfo_arp) llinfo_arp;
struct ifqueue arpintrq;
static int arp_inuse, arp_allocated;
static int arp_inuse, arp_allocated, arpinit_done;
static int arp_maxtries = 5;
static int useloopback = 1; /* use loopback interface for local traffic */
@ -162,13 +162,10 @@ arp_rtrequest(req, rt, info)
register struct sockaddr *gate = rt->rt_gateway;
register struct llinfo_arp *la = (struct llinfo_arp *)rt->rt_llinfo;
static struct sockaddr_dl null_sdl = {sizeof(null_sdl), AF_LINK};
static int arpinit_done;
if (!arpinit_done) {
arpinit_done = 1;
LIST_INIT(&llinfo_arp);
timeout(arptimer, (caddr_t)0, hz);
register_netisr(NETISR_ARP, arpintr);
}
if (rt->rt_flags & RTF_GATEWAY)
return;
@ -494,6 +491,10 @@ arpintr()
register struct arphdr *ar;
int s;
if (!arpinit_done) {
arpinit_done = 1;
timeout(arptimer, (caddr_t)0, hz);
}
while (arpintrq.ifq_head) {
s = splimp();
IF_DEQUEUE(&arpintrq, m);
@ -943,6 +944,8 @@ arp_init(void)
arpintrq.ifq_maxlen = 50;
mtx_init(&arpintrq.ifq_mtx, "arp_inq", NULL, MTX_DEF);
LIST_INIT(&llinfo_arp);
register_netisr(NETISR_ARP, arpintr);
}
SYSINIT(arp, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY, arp_init, 0);