d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use interface fib for proxyarp checks.

Browse Source 
Before the change, proxyarp checks for src and dst addresses
 were performed using default fib, breaking multi-fib scenario.

PR:		245181
Submitted by:	Scott Aitken (original version)
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D24244
This commit is contained in:
Alexander V. Chernikov 2020-04-02 20:06:37 +00:00
parent 272bd6985f
commit 66bc03d415
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=359580
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
sys/netinet/if_ether.c
View File

@ -1044,7 +1044,11 @@ in_arpinput(struct mbuf *m)
(void)memcpy(ar_tha(ah), ar_sha(ah), ah->ar_hln);
(void)memcpy(ar_sha(ah), enaddr, ah->ar_hln);
} else {
struct llentry *lle = NULL;
/*
* Destination address is not ours. Check if
* proxyarp entry exists or proxyarp is turned on globally.
*/
struct llentry *lle;
sin.sin_addr = itaddr;
lle = lla_lookup(LLTABLE(ifp), 0, (struct sockaddr *)&sin);
@ -1061,8 +1065,8 @@ in_arpinput(struct mbuf *m)
if (!V_arp_proxyall)
goto drop;
/* XXX MRT use table 0 for arp reply */
if (fib4_lookup_nh_basic(0, itaddr, 0, 0, &nh4) != 0)
if (fib4_lookup_nh_basic(ifp->if_fib, itaddr, 0, 0,
&nh4) != 0)
goto drop;
/*
@ -1083,8 +1087,8 @@ in_arpinput(struct mbuf *m)
* wrong network.
*/
/* XXX MRT use table 0 for arp checks */
if (fib4_lookup_nh_basic(0, isaddr, 0, 0, &nh4) != 0)
if (fib4_lookup_nh_basic(ifp->if_fib, isaddr, 0, 0,
&nh4) != 0)
goto drop;
if (nh4.nh_ifp != ifp) {
ARP_LOG(LOG_INFO, "proxy: ignoring request"