diff options
Diffstat (limited to 'include/net/ip.h')
| -rw-r--r-- | include/net/ip.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index a68f838a132..5e5268807a1 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -194,7 +194,17 @@ static inline u64 snmp_fold_field64(void __percpu *mib[], int offt, size_t syncp } #endif extern int snmp_mib_init(void __percpu *ptr[2], size_t mibsize, size_t align); -extern void snmp_mib_free(void __percpu *ptr[2]); + +static inline void snmp_mib_free(void __percpu *ptr[SNMP_ARRAY_SZ]) +{ + int i; + + BUG_ON(ptr == NULL); + for (i = 0; i < SNMP_ARRAY_SZ; i++) { + free_percpu(ptr[i]); + ptr[i] = NULL; + } +} extern struct local_ports { seqlock_t lock; @@ -254,9 +264,11 @@ int ip_dont_fragment(struct sock *sk, struct dst_entry *dst) extern void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more); -static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, struct sock *sk) +static inline void ip_select_ident(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk) { - if (iph->frag_off & htons(IP_DF)) { + struct iphdr *iph = ip_hdr(skb); + + if ((iph->frag_off & htons(IP_DF)) && !skb->local_df) { /* This is only to work around buggy Windows95/2000 * VJ compression implementations. If the ID field * does not change, they drop every other packet in @@ -268,9 +280,11 @@ static inline void ip_select_ident(struct iphdr *iph, struct dst_entry *dst, str __ip_select_ident(iph, dst, 0); } -static inline void ip_select_ident_more(struct iphdr *iph, struct dst_entry *dst, struct sock *sk, int more) +static inline void ip_select_ident_more(struct sk_buff *skb, struct dst_entry *dst, struct sock *sk, int more) { - if (iph->frag_off & htons(IP_DF)) { + 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; |