From: wenxu <wenxu@xxxxxxxxx> The flow_cls_common_offload prio should be not zero It leads the invalid table prio in hw. # nft add table netdev firewall # nft add chain netdev firewall acl { type filter hook ingress device mlx_pf0vf0 priority - 300 \; } # nft add rule netdev firewall acl ip daddr 1.1.1.7 drop Error: Could not process rule: Invalid argument kernel log mlx5_core 0000:81:00.0: E-Switch: Failed to create FDB Table err -22 (table prio: 65535, level: 0, size: 4194304) Fixes: c9626a2cbdb2 ("netfilter: nf_tables: add hardware offload support") Signed-off-by: wenxu <wenxu@xxxxxxxxx> --- net/netfilter/nf_tables_offload.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c index 2c33028..01d8133 100644 --- a/net/netfilter/nf_tables_offload.c +++ b/net/netfilter/nf_tables_offload.c @@ -7,6 +7,8 @@ #include <net/netfilter/nf_tables_offload.h> #include <net/pkt_cls.h> +#define FLOW_OFFLOAD_DEFAUT_PRIO 1U + static struct nft_flow_rule *nft_flow_rule_alloc(int num_actions) { struct nft_flow_rule *flow; @@ -107,6 +109,7 @@ static void nft_flow_offload_common_init(struct flow_cls_common_offload *common, struct netlink_ext_ack *extack) { common->protocol = proto; + common->prio = TC_H_MAKE(FLOW_OFFLOAD_DEFAUT_PRIO << 16, 0); common->extack = extack; } -- 1.8.3.1