From: Lucas Nussbaum <[EMAIL PROTECTED]> Date: Thu, 30 Aug 2007 09:28:17 +0200
> Hi, > > When CONFIG_NET_CLS_ACT is enabled, tc_classify() is called twice in > prio_classify(). This causes "interesting" behaviour: with the setup > below, packets are duplicated, sent twice to ifb0, and then loop in and > out of ifb0. > > The patch uses the previously calculated return value in the switch, > which is probably what Patrick had in mind in commit > bdba91ec70fb5ccbdeb1c7068319adc6ea9e1a7d -- maybe Patrick can > double-check this? > > -- example setup -- > ifconfig ifb0 up > tc qdisc add dev ifb0 root netem delay 2s > tc qdisc add dev $ETH root handle 1: prio > tc filter add dev $ETH parent 1: protocol ip prio 10 u32 \ > match ip dst 172.24.110.6/32 flowid 1:1 \ > action mirred egress redirect dev ifb0 > ping -c1 172.24.110.6 > > Signed-off-by: Lucas Nussbaum <[EMAIL PROTECTED]> Thank you for finding and fixing this bug, patch applied. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html