diff --git a/net/core/filter.c b/net/core/filter.c index 5ecd5c9836c373a22fdaaa51690bf9e5409a8bc0..b5add4ef0d1d21d5a830af3dfe3dd2ba34d07976 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1371,6 +1371,12 @@ static inline void bpf_push_mac_rcsum(struct sk_buff *skb) skb_postpush_rcsum(skb, skb_mac_header(skb), skb->mac_len); } +static inline void bpf_pull_mac_rcsum(struct sk_buff *skb) +{ + if (skb_at_tc_ingress(skb)) + skb_postpull_rcsum(skb, skb_mac_header(skb), skb->mac_len); +} + static u64 bpf_skb_store_bytes(u64 r1, u64 r2, u64 r3, u64 r4, u64 flags) { struct bpf_scratchpad *sp = this_cpu_ptr(&bpf_sp); @@ -1763,7 +1769,10 @@ static u64 bpf_skb_vlan_push(u64 r1, u64 r2, u64 vlan_tci, u64 r4, u64 r5) vlan_proto != htons(ETH_P_8021AD))) vlan_proto = htons(ETH_P_8021Q); + bpf_push_mac_rcsum(skb); ret = skb_vlan_push(skb, vlan_proto, vlan_tci); + bpf_pull_mac_rcsum(skb); + bpf_compute_data_end(skb); return ret; } @@ -1783,7 +1792,10 @@ static u64 bpf_skb_vlan_pop(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5) struct sk_buff *skb = (struct sk_buff *) (long) r1; int ret; + bpf_push_mac_rcsum(skb); ret = skb_vlan_pop(skb); + bpf_pull_mac_rcsum(skb); + bpf_compute_data_end(skb); return ret; }