mlxsw: spectrum_matchall: Restrict sample action to be allowed only on ingress (18aa23b3) · Commits · 戴 / test

HW supports packet sampling on ingress only. Check and fail if user is adding sample on egress. Signed-off-by:

drivers/net/ethernet/mellanox/mlxsw/spectrum_matchall.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -212,6 +212,11 @@ int mlxsw_sp_mall_replace(struct mlxsw_sp_flow_block *block,
		mall_entry->mirror.to_dev = act->dev;
		} else if (act->id == FLOW_ACTION_SAMPLE &&
		protocol == htons(ETH_P_ALL)) {
		if (!mall_entry->ingress) {
		NL_SET_ERR_MSG(f->common.extack, "Sample is not supported on egress");
		err = -EOPNOTSUPP;
		goto errout;
		}
		if (act->sample.rate > MLXSW_REG_MPSC_RATE_MAX) {
		NL_SET_ERR_MSG(f->common.extack, "Sample rate not supported");
		err = -EOPNOTSUPP;