Merge remote-tracking branch 'lsk/v3.10/topic/coresight' into linux-linaro-lsk

[firefly-linux-kernel-4.4.55.git] / include / net / ip.h

diff --git a/include/net/ip.h b/include/net/ip.h
index 788f1d8a796f7372ad466af3439cbb57cdb05dab..8695359982d1c62b98662787019cc7cd2982ba6e 100644 (file)
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -252,9 +252,10 @@ int ip_dont_fragment(struct sock *sk, struct dst_entry *dst)
                 !(dst_metric_locked(dst, RTAX_MTU)));
 }
 
-extern void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more);
+u32 ip_idents_reserve(u32 hash, int segs);
+void __ip_select_ident(struct iphdr *iph, int segs);
 
-static inline void ip_select_ident(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk)
+static inline void ip_select_ident_segs(struct sk_buff *skb, struct sock *sk, int segs)
 {
        struct iphdr *iph = ip_hdr(skb);
 
@@ -264,24 +265,20 @@ static inline void ip_select_ident(struct sk_buff *skb, struct dst_entry *dst, s
                 * does not change, they drop every other packet in
                 * a TCP stream using header compression.
                 */
-               iph->id = (sk && inet_sk(sk)->inet_daddr) ?
-                                       htons(inet_sk(sk)->inet_id++) : 0;
-       } else
-               __ip_select_ident(iph, dst, 0);
-}
-
-static inline void ip_select_ident_more(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk, int more)
-{
-       struct iphdr *iph = ip_hdr(skb);
-
-       if ((iph->frag_off & htons(IP_DF)) && !skb->local_df) {
                if (sk && inet_sk(sk)->inet_daddr) {
                        iph->id = htons(inet_sk(sk)->inet_id);
-                       inet_sk(sk)->inet_id += 1 + more;
-               } else
+                       inet_sk(sk)->inet_id += segs;
+               } else {
                        iph->id = 0;
-       } else
-               __ip_select_ident(iph, dst, more);
+               }
+       } else {
+               __ip_select_ident(iph, segs);
+       }
+}
+
+static inline void ip_select_ident(struct sk_buff *skb, struct sock *sk)
+{
+       ip_select_ident_segs(skb, sk, 1);
 }
 
 /*