bpf: sockmap, convert bpf_compute_data_pointers to bpf_*_sk_skb

[linux.git] / include / net / tcp.h

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 800582b5dd54f46dc2a853f60994e26562ae1b28..af3ec72d5d4163b57142309bf8df72365cf7018d 100644 (file)
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -828,6 +828,10 @@ struct tcp_skb_cb {
 
 #define TCP_SKB_CB(__skb)      ((struct tcp_skb_cb *)&((__skb)->cb[0]))
 
+static inline void bpf_compute_data_end_sk_skb(struct sk_buff *skb)
+{
+       TCP_SKB_CB(skb)->bpf.data_end = skb->data + skb_headlen(skb);
+}
 
 #if IS_ENABLED(CONFIG_IPV6)
 /* This is the variant of inet6_iif() that must be used by TCP,