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| /openbmc/linux/net/sched/ |
| H A D | act_mpls.c | diff bca3821d19d9aa05cd8164e4f716150d6ef7e5a5 Thu Apr 07 02:35:25 CDT 2022 Ido Schimmel <idosch@nvidia.com> net/sched: act_mpls: Add extack messages for offload failure
For better error reporting to user space, add extack messages when mpls
action offload fails.
Example:
# echo 1 > /sys/kernel/tracing/events/netlink/netlink_extack/enable
# tc filter add dev dummy0 ingress pref 1 proto all matchall skip_sw action mpls dec_ttl
Error: cls_matchall: Failed to setup flow action.
We have an error talking to the kernel
# cat /sys/kernel/tracing/trace_pipe
tc-182 [000] b..1. 18.693915: netlink_extack: msg=act_mpls: Offload not supported when "dec_ttl" option is used
tc-182 [000] ..... 18.693921: netlink_extack: msg=cls_matchall: Failed to setup flow action
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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