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Implement PRC_IFUP a la PRC_IFDOWN so that protocols know when an interface

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has come bacl up (and can referse actions taken as a result of downing).
This commit is contained in:
Garrett Wollman 1997-02-12 18:54:32 +00:00
parent f3a778f288
commit 176395b2e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=22614
2 changed files with 5 additions and 6 deletions
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8
sys/net/if.c
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@ -377,15 +377,13 @@ void
if_up(ifp)
register struct ifnet *ifp;
{
register struct ifaddr *ifa;
ifp->if_flags |= IFF_UP;
microtime(&ifp->if_lastchange);
#ifdef notyet
register struct ifaddr *ifa;
/* this has no effect on IP, and will kill all iso connections XXX */
for (ifa = ifp->if_addrlist; ifa; ifa = ifa->ifa_next)
for (ifa = ifp->if_addrhead.tqh_first; ifa;
ifa = ifa->ifa_link.tqe_next)
pfctlinput(PRC_IFUP, ifa->ifa_addr);
#endif
rt_ifmsg(ifp);
}

3
sys/sys/protosw.h
View File

@ -224,6 +224,7 @@ extern struct pr_usrreqs pru_oldstyle;
*/
#define PRC_IFDOWN 0 /* interface transition */
#define PRC_ROUTEDEAD 1 /* select new route if possible ??? */
#define PRC_IFUP 2 /* interface has come back up */
#define PRC_QUENCH2 3 /* DEC congestion bit says slow down */
#define PRC_QUENCH 4 /* some one said to slow down */
#define PRC_MSGSIZE 5 /* message size forced drop */
@ -250,7 +251,7 @@ extern struct pr_usrreqs pru_oldstyle;
#ifdef PRCREQUESTS
char *prcrequests[] = {
"IFDOWN", "ROUTEDEAD", "#2", "DEC-BIT-QUENCH2",
"IFDOWN", "ROUTEDEAD", "IFUP", "DEC-BIT-QUENCH2",
"QUENCH", "MSGSIZE", "HOSTDEAD", "#7",
"NET-UNREACH", "HOST-UNREACH", "PROTO-UNREACH", "PORT-UNREACH",
"#12", "SRCFAIL-UNREACH", "NET-REDIRECT", "HOST-REDIRECT",