Recent TC changes dropped the check protecting us from trying
to offload a TC program if XDP programs are already loaded.
Fixes: 90d97315b3e7 ("nfp: bpf: Convert ndo_setup_tc offloads to block
callbacks")
Signed-off-by: Jakub Kicinski <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
---
drivers/net/ethernet/netronome/nfp/bpf/main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/main.c
b/drivers/net/ethernet/netronome/nfp/bpf/main.c
index 04424db24b80..8e3e89cace8d 100644
--- a/drivers/net/ethernet/netronome/nfp/bpf/main.c
+++ b/drivers/net/ethernet/netronome/nfp/bpf/main.c
@@ -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;
--
2.14.1
