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| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-08-11 16:18:12 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-08-11 16:18:12 +0200 |
| commit | e49f7fc1f7435de94a632fea0dc7753b58570eb8 (patch) | |
| tree | ec8598e65ff2c728ad8e52b4499faf6653a41aab | |
| parent | 831291e5dd0877cc130f168a487531fd4a8c410b (diff) | |
| download | plan9front-e49f7fc1f7435de94a632fea0dc7753b58570eb8.tar.xz | |
devip: fix multicastarp() when ipconfig assigned the 0 address
sending multicast was broken when ipconfig assigned the 0
address for dhcp as they would wrongly classified as Runi.
this could happen when we do slaac and dhcp in parallel,
breaking the sending of router solicitations.
| -rw-r--r-- | sys/src/9/ip/ethermedium.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/sys/src/9/ip/ethermedium.c b/sys/src/9/ip/ethermedium.c index 6471355c1..3602da1b8 100644 --- a/sys/src/9/ip/ethermedium.c +++ b/sys/src/9/ip/ethermedium.c @@ -717,14 +717,9 @@ static Block* multicastarp(Fs *f, Arpent *a, Medium *medium, uchar *mac) { /* is it broadcast? */ - switch(ipforme(f, a->ip)){ - case Runi: - return nil; - case Rbcast: - memset(mac, 0xff, 6); + if(ipforme(f, a->ip) == Rbcast){ + memset(mac, 0xff, medium->maclen); return arpresolve(f->arp, a, medium, mac); - default: - break; } /* if multicast, fill in mac */ |