Commit f449657f authored Nov 02, 2017 by Jakub Kicinski Committed by David S. Miller Nov 02, 2017

nfp: bpf: reject TC offload if XDP loaded



Recent TC changes dropped the check protecting us from trying
to offload a TC program if XDP programs are already loaded.

Fixes: 90d97315 ("nfp: bpf: Convert ndo_setup_tc offloads to block callbacks")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent dc4646a9

drivers/net/ethernet/netronome/nfp/bpf/main.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -130,6 +130,9 @@ static int nfp_bpf_setup_tc_block_cb(enum tc_setup_type type,
		cls_bpf->common.protocol != htons(ETH_P_ALL) \|\|
		cls_bpf->common.chain_index)
		return -EOPNOTSUPP;
		if (nn->dp.bpf_offload_xdp)
		return -EBUSY;

		return nfp_net_bpf_offload(nn, cls_bpf);
		default:
		return -EOPNOTSUPP;