diff options
Diffstat (limited to 'include/net/udp.h')
| -rw-r--r-- | include/net/udp.h | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/include/net/udp.h b/include/net/udp.h index 92927f729ac8..ae07f375370d 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -59,7 +59,7 @@ struct udp_skb_cb { * @lock: spinlock protecting changes to head/count */ struct udp_hslot { - struct hlist_nulls_head head; + struct hlist_head head; int count; spinlock_t lock; } __attribute__((aligned(2 * sizeof(long)))); @@ -158,9 +158,21 @@ static inline __sum16 udp_v4_check(int len, __be32 saddr, void udp_set_csum(bool nocheck, struct sk_buff *skb, __be32 saddr, __be32 daddr, int len); +static inline void udp_csum_pull_header(struct sk_buff *skb) +{ + if (skb->ip_summed == CHECKSUM_NONE) + skb->csum = csum_partial(udp_hdr(skb), sizeof(struct udphdr), + skb->csum); + skb_pull_rcsum(skb, sizeof(struct udphdr)); + UDP_SKB_CB(skb)->cscov -= sizeof(struct udphdr); +} + +typedef struct sock *(*udp_lookup_t)(struct sk_buff *skb, __be16 sport, + __be16 dport); + struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb, - struct udphdr *uh); -int udp_gro_complete(struct sk_buff *skb, int nhoff); + struct udphdr *uh, udp_lookup_t lookup); +int udp_gro_complete(struct sk_buff *skb, int nhoff, udp_lookup_t lookup); static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb) { @@ -260,6 +272,8 @@ struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, __be32 daddr, __be16 dport, int dif, struct udp_table *tbl, struct sk_buff *skb); +struct sock *udp4_lib_lookup_skb(struct sk_buff *skb, + __be16 sport, __be16 dport); struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport, const struct in6_addr *daddr, __be16 dport, @@ -269,36 +283,38 @@ struct sock *__udp6_lib_lookup(struct net *net, const struct in6_addr *daddr, __be16 dport, int dif, struct udp_table *tbl, struct sk_buff *skb); +struct sock *udp6_lib_lookup_skb(struct sk_buff *skb, + __be16 sport, __be16 dport); /* * SNMP statistics for UDP and UDP-Lite */ -#define UDP_INC_STATS_USER(net, field, is_udplite) do { \ - if (is_udplite) SNMP_INC_STATS_USER((net)->mib.udplite_statistics, field); \ - else SNMP_INC_STATS_USER((net)->mib.udp_statistics, field); } while(0) -#define UDP_INC_STATS_BH(net, field, is_udplite) do { \ - if (is_udplite) SNMP_INC_STATS_BH((net)->mib.udplite_statistics, field); \ - else SNMP_INC_STATS_BH((net)->mib.udp_statistics, field); } while(0) - -#define UDP6_INC_STATS_BH(net, field, is_udplite) do { \ - if (is_udplite) SNMP_INC_STATS_BH((net)->mib.udplite_stats_in6, field);\ - else SNMP_INC_STATS_BH((net)->mib.udp_stats_in6, field); \ +#define UDP_INC_STATS(net, field, is_udplite) do { \ + if (is_udplite) SNMP_INC_STATS((net)->mib.udplite_statistics, field); \ + else SNMP_INC_STATS((net)->mib.udp_statistics, field); } while(0) +#define __UDP_INC_STATS(net, field, is_udplite) do { \ + if (is_udplite) __SNMP_INC_STATS((net)->mib.udplite_statistics, field); \ + else __SNMP_INC_STATS((net)->mib.udp_statistics, field); } while(0) + +#define __UDP6_INC_STATS(net, field, is_udplite) do { \ + if (is_udplite) __SNMP_INC_STATS((net)->mib.udplite_stats_in6, field);\ + else __SNMP_INC_STATS((net)->mib.udp_stats_in6, field); \ } while(0) -#define UDP6_INC_STATS_USER(net, field, __lite) do { \ - if (__lite) SNMP_INC_STATS_USER((net)->mib.udplite_stats_in6, field); \ - else SNMP_INC_STATS_USER((net)->mib.udp_stats_in6, field); \ +#define UDP6_INC_STATS(net, field, __lite) do { \ + if (__lite) SNMP_INC_STATS((net)->mib.udplite_stats_in6, field); \ + else SNMP_INC_STATS((net)->mib.udp_stats_in6, field); \ } while(0) #if IS_ENABLED(CONFIG_IPV6) -#define UDPX_INC_STATS_BH(sk, field) \ +#define __UDPX_INC_STATS(sk, field) \ do { \ if ((sk)->sk_family == AF_INET) \ - UDP_INC_STATS_BH(sock_net(sk), field, 0); \ + __UDP_INC_STATS(sock_net(sk), field, 0); \ else \ - UDP6_INC_STATS_BH(sock_net(sk), field, 0); \ + __UDP6_INC_STATS(sock_net(sk), field, 0); \ } while (0) #else -#define UDPX_INC_STATS_BH(sk, field) UDP_INC_STATS_BH(sock_net(sk), field, 0) +#define __UDPX_INC_STATS(sk, field) __UDP_INC_STATS(sock_net(sk), field, 0) #endif /* /proc */ |