diff options
| -rw-r--r-- | sys/src/9/port/devbridge.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/src/9/port/devbridge.c b/sys/src/9/port/devbridge.c index bc4537270..3b8ca9037 100644 --- a/sys/src/9/port/devbridge.c +++ b/sys/src/9/port/devbridge.c @@ -965,7 +965,7 @@ etherread(void *a) if(bp == nil) break; n = BLEN(bp); - if(port->closed || n < ETHERMINTU){ + if(port->closed || n < ETHERHDRSIZE){ freeb(bp); continue; } @@ -1056,6 +1056,9 @@ etherwrite(Port *port, Block *bp) epkt = (Etherpkt*)bp->rp; if(port->type != Ttun || !fragment(epkt, n)) { if(!waserror()){ + /* don't generate small packets */ + if(n < ETHERMINTU) + bp = adjustblock(bp, ETHERMINTU); devtab[port->data[1]->type]->bwrite(port->data[1], bp, 0); poperror(); } |