125     const void* data_end = (void*)(long)skb->data_end;  local
130     if (data + l2_header_size + sizeof(*ip6) > data_end) return TC_ACT_OK;
148         if (data + l2_header_size + sizeof(*ip6) + sizeof(*tcph) > data_end)
238         data_end = (void*)(long)skb->data_end;
243         if (data + sizeof(struct ethhdr) + sizeof(*ip6) > data_end) {
372     const void* data_end = (void*)(long)skb->data_end;  in do_forward4()  local
377     if (data + l2_header_size + sizeof(*ip) > data_end) return TC_ACT_OK;  in do_forward4()
435     if (data + l2_header_size + sizeof(*ip) + 8 > data_end) TC_PUNT(SHORT_L4_HEADER);  in do_forward4()
442         if (data + l2_header_size + sizeof(*ip) + sizeof(*tcph) > data_end)  in do_forward4()
450         if (data + l2_header_size + sizeof(*ip) + sizeof(*udph) > data_end)  in do_forward4()
551         data_end = (void*)(long)skb->data_end;  in do_forward4()
558 …data + sizeof(struct ethhdr) + sizeof(*ip) + (is_tcp ? sizeof(*tcph) : sizeof(*udph)) > data_end) {  in do_forward4()
791     const void* data_end = (void*)(long)ctx->data_end;  in do_xdp_forward_ether()  local
795     if ((void*)(eth + 1) > data_end) return XDP_PASS;  in do_xdp_forward_ether()
808     const void* data_end = (void*)(long)ctx->data_end;  in do_xdp_forward_rawip()  local
811     if (data_end - data < 1) return XDP_PASS;  in do_xdp_forward_rawip()