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net/sched: act_pedit: Add extack message for offload failure 

For better error reporting to user space, add an extack message when
pedit action offload fails.

Currently, the failure cannot be triggered, but add a message in case
the action is extended in the future to support more than set/add
commands.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2022-04-07 10:35:26 +03:00 committed by David S. Miller
parent bca3821d19
commit bf3b99e4f9
1 changed files with 1 additions and 0 deletions
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net/sched/act_pedit.c
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@ -504,6 +504,7 @@ static int tcf_pedit_offload_act_setup(struct tc_action *act, void *entry_data,
entry->id = FLOW_ACTION_ADD;
break;
default:
NL_SET_ERR_MSG_MOD(extack, "Unsupported pedit command offload");
return -EOPNOTSUPP;
}
entry->mangle.htype = tcf_pedit_htype(act, k);