diff options
Diffstat (limited to 'include/net')
-rw-r--r-- | include/net/dst.h | 48 | ||||
-rw-r--r-- | include/net/ip.h | 6 | ||||
-rw-r--r-- | include/net/netns/ipv6.h | 14 | ||||
-rw-r--r-- | include/net/route.h | 17 | ||||
-rw-r--r-- | include/net/sock.h | 21 | ||||
-rw-r--r-- | include/net/tcp.h | 21 | ||||
-rw-r--r-- | include/net/tipc/tipc.h | 16 | ||||
-rw-r--r-- | include/net/x25.h | 10 |
8 files changed, 106 insertions, 47 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index aac5a5fcfda..27207a13f2a 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -168,6 +168,12 @@ static inline void dst_use(struct dst_entry *dst, unsigned long time) dst->lastuse = time; } +static inline void dst_use_noref(struct dst_entry *dst, unsigned long time) +{ + dst->__use++; + dst->lastuse = time; +} + static inline struct dst_entry * dst_clone(struct dst_entry * dst) { @@ -177,11 +183,47 @@ struct dst_entry * dst_clone(struct dst_entry * dst) } extern void dst_release(struct dst_entry *dst); + +static inline void refdst_drop(unsigned long refdst) +{ + if (!(refdst & SKB_DST_NOREF)) + dst_release((struct dst_entry *)(refdst & SKB_DST_PTRMASK)); +} + +/** + * skb_dst_drop - drops skb dst + * @skb: buffer + * + * Drops dst reference count if a reference was taken. + */ static inline void skb_dst_drop(struct sk_buff *skb) { - if (skb->_skb_dst) - dst_release(skb_dst(skb)); - skb->_skb_dst = 0UL; + if (skb->_skb_refdst) { + refdst_drop(skb->_skb_refdst); + skb->_skb_refdst = 0UL; + } +} + +static inline void skb_dst_copy(struct sk_buff *nskb, const struct sk_buff *oskb) +{ + nskb->_skb_refdst = oskb->_skb_refdst; + if (!(nskb->_skb_refdst & SKB_DST_NOREF)) + dst_clone(skb_dst(nskb)); +} + +/** + * skb_dst_force - makes sure skb dst is refcounted + * @skb: buffer + * + * If dst is not yet refcounted, let's do it + */ +static inline void skb_dst_force(struct sk_buff *skb) +{ + if (skb_dst_is_noref(skb)) { + WARN_ON(!rcu_read_lock_held()); + skb->_skb_refdst &= ~SKB_DST_NOREF; + dst_clone(skb_dst(skb)); + } } /* Children define the path of the packet through the diff --git a/include/net/ip.h b/include/net/ip.h index 8149b77cea9..63548f0a44b 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -184,6 +184,12 @@ extern struct local_ports { } sysctl_local_ports; extern void inet_get_local_port_range(int *low, int *high); +extern unsigned long *sysctl_local_reserved_ports; +static inline int inet_is_reserved_local_port(int port) +{ + return test_bit(port, sysctl_local_reserved_ports); +} + extern int sysctl_ip_default_ttl; extern int sysctl_ip_nonlocal_bind; diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h index 1f11ebc2215..81abfcb2eb4 100644 --- a/include/net/netns/ipv6.h +++ b/include/net/netns/ipv6.h @@ -59,15 +59,11 @@ struct netns_ipv6 { struct sock *tcp_sk; struct sock *igmp_sk; #ifdef CONFIG_IPV6_MROUTE - struct sock *mroute6_sk; - struct mfc6_cache **mfc6_cache_array; - struct mif_device *vif6_table; - int maxvif; - atomic_t cache_resolve_queue_len; - int mroute_do_assert; - int mroute_do_pim; -#ifdef CONFIG_IPV6_PIMSM_V2 - int mroute_reg_vif_num; +#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES + struct mr6_table *mrt6; +#else + struct list_head mr6_tables; + struct fib_rules_ops *mr6_rules_ops; #endif #endif }; diff --git a/include/net/route.h b/include/net/route.h index 2c9fba7f773..af6cf4b4c9d 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -112,7 +112,22 @@ extern void rt_cache_flush_batch(void); extern int __ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp); extern int ip_route_output_key(struct net *, struct rtable **, struct flowi *flp); extern int ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags); -extern int ip_route_input(struct sk_buff*, __be32 dst, __be32 src, u8 tos, struct net_device *devin); + +extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin, bool noref); + +static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin) +{ + return ip_route_input_common(skb, dst, src, tos, devin, false); +} + +static inline int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src, + u8 tos, struct net_device *devin) +{ + return ip_route_input_common(skb, dst, src, tos, devin, true); +} + extern unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev); extern void ip_rt_send_redirect(struct sk_buff *skb); diff --git a/include/net/sock.h b/include/net/sock.h index 328e03f47dd..5697caf8cc7 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -177,6 +177,7 @@ struct sock_common { * %SO_OOBINLINE settings, %SO_TIMESTAMPING settings * @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets * @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO) + * @sk_route_nocaps: forbidden route capabilities (e.g NETIF_F_GSO_MASK) * @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4) * @sk_gso_max_size: Maximum GSO segment size to build * @sk_lingertime: %SO_LINGER l_linger setting @@ -276,6 +277,7 @@ struct sock { int sk_forward_alloc; gfp_t sk_allocation; int sk_route_caps; + int sk_route_nocaps; int sk_gso_type; unsigned int sk_gso_max_size; int sk_rcvlowat; @@ -598,12 +600,15 @@ static inline int sk_stream_memory_free(struct sock *sk) /* OOB backlog add */ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb) { - if (!sk->sk_backlog.tail) { - sk->sk_backlog.head = sk->sk_backlog.tail = skb; - } else { + /* dont let skb dst not refcounted, we are going to leave rcu lock */ + skb_dst_force(skb); + + if (!sk->sk_backlog.tail) + sk->sk_backlog.head = skb; + else sk->sk_backlog.tail->next = skb; - sk->sk_backlog.tail = skb; - } + + sk->sk_backlog.tail = skb; skb->next = NULL; } @@ -1335,6 +1340,12 @@ static inline int sk_can_gso(const struct sock *sk) extern void sk_setup_caps(struct sock *sk, struct dst_entry *dst); +static inline void sk_nocaps_add(struct sock *sk, int flags) +{ + sk->sk_route_nocaps |= flags; + sk->sk_route_caps &= ~flags; +} + static inline int skb_copy_to_page(struct sock *sk, char __user *from, struct sk_buff *skb, struct page *page, int off, int copy) diff --git a/include/net/tcp.h b/include/net/tcp.h index fb5c66b2ab8..a1449144848 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1206,30 +1206,15 @@ extern int tcp_v4_md5_do_del(struct sock *sk, extern struct tcp_md5sig_pool * __percpu *tcp_alloc_md5sig_pool(struct sock *); extern void tcp_free_md5sig_pool(void); -extern struct tcp_md5sig_pool *__tcp_get_md5sig_pool(int cpu); -extern void __tcp_put_md5sig_pool(void); +extern struct tcp_md5sig_pool *tcp_get_md5sig_pool(void); +extern void tcp_put_md5sig_pool(void); + extern int tcp_md5_hash_header(struct tcp_md5sig_pool *, struct tcphdr *); extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, struct sk_buff *, unsigned header_len); extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp, struct tcp_md5sig_key *key); -static inline -struct tcp_md5sig_pool *tcp_get_md5sig_pool(void) -{ - int cpu = get_cpu(); - struct tcp_md5sig_pool *ret = __tcp_get_md5sig_pool(cpu); - if (!ret) - put_cpu(); - return ret; -} - -static inline void tcp_put_md5sig_pool(void) -{ - __tcp_put_md5sig_pool(); - put_cpu(); -} - /* write queue abstraction */ static inline void tcp_write_queue_purge(struct sock *sk) { diff --git a/include/net/tipc/tipc.h b/include/net/tipc/tipc.h index 9566608c88c..15af6dca0b4 100644 --- a/include/net/tipc/tipc.h +++ b/include/net/tipc/tipc.h @@ -2,7 +2,7 @@ * include/net/tipc/tipc.h: Main include file for TIPC users * * Copyright (c) 2003-2006, Ericsson AB - * Copyright (c) 2005, Wind River Systems + * Copyright (c) 2005,2010 Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -126,7 +126,7 @@ int tipc_createport(unsigned int tipc_user, tipc_msg_event message_cb, tipc_named_msg_event named_message_cb, tipc_conn_msg_event conn_message_cb, - tipc_continue_event continue_event_cb,/* May be zero */ + tipc_continue_event continue_event_cb, u32 *portref); int tipc_deleteport(u32 portref); @@ -145,13 +145,13 @@ int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable); int tipc_publish(u32 portref, unsigned int scope, struct tipc_name_seq const *name_seq); int tipc_withdraw(u32 portref, unsigned int scope, - struct tipc_name_seq const *name_seq); /* 0: all */ + struct tipc_name_seq const *name_seq); int tipc_connect2port(u32 portref, struct tipc_portid const *port); int tipc_disconnect(u32 portref); -int tipc_shutdown(u32 ref); /* Sends SHUTDOWN msg */ +int tipc_shutdown(u32 ref); int tipc_isconnected(u32 portref, int *isconnected); @@ -176,7 +176,7 @@ int tipc_send_buf(u32 portref, int tipc_send2name(u32 portref, struct tipc_name const *name, - u32 domain, /* 0:own zone */ + u32 domain, unsigned int num_sect, struct iovec const *msg_sect); @@ -188,7 +188,7 @@ int tipc_send_buf2name(u32 portref, int tipc_forward2name(u32 portref, struct tipc_name const *name, - u32 domain, /*0: own zone */ + u32 domain, unsigned int section_count, struct iovec const *msg_sect, struct tipc_portid const *origin, @@ -228,14 +228,14 @@ int tipc_forward_buf2port(u32 portref, int tipc_multicast(u32 portref, struct tipc_name_seq const *seq, - u32 domain, /* 0:own zone */ + u32 domain, /* currently unused */ unsigned int section_count, struct iovec const *msg); #if 0 int tipc_multicast_buf(u32 portref, struct tipc_name_seq const *seq, - u32 domain, /* 0:own zone */ + u32 domain, void *buf, unsigned int size); #endif diff --git a/include/net/x25.h b/include/net/x25.h index 468551ea4f1..1479cb4a41f 100644 --- a/include/net/x25.h +++ b/include/net/x25.h @@ -80,8 +80,6 @@ enum { #define X25_DEFAULT_PACKET_SIZE X25_PS128 /* Default Packet Size */ #define X25_DEFAULT_THROUGHPUT 0x0A /* Deafult Throughput */ #define X25_DEFAULT_REVERSE 0x00 /* Default Reverse Charging */ -#define X25_DENY_ACCPT_APPRV 0x01 /* Default value */ -#define X25_ALLOW_ACCPT_APPRV 0x00 /* Control enabled */ #define X25_SMODULUS 8 #define X25_EMODULUS 128 @@ -113,6 +111,11 @@ enum { #define X25_MAX_AE_LEN 40 /* Max num of semi-octets in AE - OSI Nw */ #define X25_MAX_DTE_FACIL_LEN 21 /* Max length of DTE facility params */ +/* Bitset in x25_sock->flags for misc flags */ +#define X25_Q_BIT_FLAG 0 +#define X25_INTERRUPT_FLAG 1 +#define X25_ACCPT_APPRV_FLAG 2 + /** * struct x25_route - x25 routing entry * @node - entry in x25_list_lock @@ -146,10 +149,11 @@ struct x25_sock { struct x25_address source_addr, dest_addr; struct x25_neigh *neighbour; unsigned int lci, cudmatchlength; - unsigned char state, condition, qbitincl, intflag, accptapprv; + unsigned char state, condition; unsigned short vs, vr, va, vl; unsigned long t2, t21, t22, t23; unsigned short fraglen; + unsigned long flags; struct sk_buff_head ack_queue; struct sk_buff_head fragment_queue; struct sk_buff_head interrupt_in_queue; |