From 6a56e19902af01da447cd3104d5a6e8d01792ee1 Mon Sep 17 00:00:00 2001 From: Baowen Zheng Date: Fri, 12 Mar 2021 15:08:30 +0100 Subject: flow_offload: reject configuration of packet-per-second policing in offload drivers A follow-up patch will allow users to configures packet-per-second policing in the software datapath. In preparation for this, teach all drivers that support offload of the policer action to reject such configuration as currently none of them support it. Signed-off-by: Baowen Zheng Signed-off-by: Simon Horman Signed-off-by: Louis Peens Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'drivers/net/ethernet/chelsio') diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c index 2e309f6673f7..28fd2de9e4cf 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_matchall.c @@ -48,6 +48,11 @@ static int cxgb4_matchall_egress_validate(struct net_device *dev, flow_action_for_each(i, entry, actions) { switch (entry->id) { case FLOW_ACTION_POLICE: + if (entry->police.rate_pkt_ps) { + NL_SET_ERR_MSG_MOD(extack, + "QoS offload not support packets per second"); + return -EOPNOTSUPP; + } /* Convert bytes per second to bits per second */ if (entry->police.rate_bytes_ps * 8 > max_link_rate) { NL_SET_ERR_MSG_MOD(extack, @@ -145,7 +150,11 @@ static int cxgb4_matchall_alloc_tc(struct net_device *dev, flow_action_for_each(i, entry, &cls->rule->action) if (entry->id == FLOW_ACTION_POLICE) break; - + if (entry->police.rate_pkt_ps) { + NL_SET_ERR_MSG_MOD(extack, + "QoS offload not support packets per second"); + return -EOPNOTSUPP; + } /* Convert from bytes per second to Kbps */ p.u.params.maxrate = div_u64(entry->police.rate_bytes_ps * 8, 1000); p.u.params.channel = pi->tx_chan; -- cgit v1.2.3