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-rw-r--r--include/net/ip.h63
1 files changed, 40 insertions, 23 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index dbee3fe260e1..66dd49149208 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -52,14 +52,14 @@ static inline unsigned int ip_hdrlen(const struct sk_buff *skb)
struct ipcm_cookie {
__be32 addr;
int oif;
- struct ip_options *opt;
+ struct ip_options_rcu *opt;
__u8 tx_flags;
};
#define IPCB(skb) ((struct inet_skb_parm*)((skb)->cb))
struct ip_ra_chain {
- struct ip_ra_chain *next;
+ struct ip_ra_chain __rcu *next;
struct sock *sk;
union {
void (*destructor)(struct sock *);
@@ -68,7 +68,7 @@ struct ip_ra_chain {
struct rcu_head rcu;
};
-extern struct ip_ra_chain *ip_ra_chain;
+extern struct ip_ra_chain __rcu *ip_ra_chain;
/* IP flags. */
#define IP_CE 0x8000 /* Flag: "Congestion" */
@@ -92,7 +92,7 @@ extern int igmp_mc_proc_init(void);
extern int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
__be32 saddr, __be32 daddr,
- struct ip_options *opt);
+ struct ip_options_rcu *opt);
extern int ip_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev);
extern int ip_local_deliver(struct sk_buff *skb);
@@ -104,9 +104,9 @@ extern int ip_do_nat(struct sk_buff *skb);
extern void ip_send_check(struct iphdr *ip);
extern int __ip_local_out(struct sk_buff *skb);
extern int ip_local_out(struct sk_buff *skb);
-extern int ip_queue_xmit(struct sk_buff *skb);
+extern int ip_queue_xmit(struct sk_buff *skb, struct flowi *fl);
extern void ip_init(void);
-extern int ip_append_data(struct sock *sk,
+extern int ip_append_data(struct sock *sk, struct flowi4 *fl4,
int getfrag(void *from, char *to, int offset, int len,
int odd, struct sk_buff *skb),
void *from, int len, int protolen,
@@ -114,10 +114,28 @@ extern int ip_append_data(struct sock *sk,
struct rtable **rt,
unsigned int flags);
extern int ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb);
-extern ssize_t ip_append_page(struct sock *sk, struct page *page,
+extern ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
int offset, size_t size, int flags);
-extern int ip_push_pending_frames(struct sock *sk);
+extern struct sk_buff *__ip_make_skb(struct sock *sk,
+ struct flowi4 *fl4,
+ struct sk_buff_head *queue,
+ struct inet_cork *cork);
+extern int ip_send_skb(struct sk_buff *skb);
+extern int ip_push_pending_frames(struct sock *sk, struct flowi4 *fl4);
extern void ip_flush_pending_frames(struct sock *sk);
+extern struct sk_buff *ip_make_skb(struct sock *sk,
+ struct flowi4 *fl4,
+ int getfrag(void *from, char *to, int offset, int len,
+ int odd, struct sk_buff *skb),
+ void *from, int length, int transhdrlen,
+ struct ipcm_cookie *ipc,
+ struct rtable **rtp,
+ unsigned int flags);
+
+static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
+{
+ return __ip_make_skb(sk, fl4, &sk->sk_write_queue, &inet_sk(sk)->cork.base);
+}
/* datagram.c */
extern int ip4_datagram_connect(struct sock *sk,
@@ -156,8 +174,8 @@ static inline __u8 ip_reply_arg_flowi_flags(const struct ip_reply_arg *arg)
return (arg->flags & IP_REPLY_ARG_NOSRCCHECK) ? FLOWI_FLAG_ANYSRC : 0;
}
-void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *arg,
- unsigned int len);
+void ip_send_reply(struct sock *sk, struct sk_buff *skb, __be32 daddr,
+ struct ip_reply_arg *arg, unsigned int len);
struct ipv4_config {
int log_martians;
@@ -201,7 +219,6 @@ 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;
extern struct ctl_path net_core_path[];
@@ -324,6 +341,14 @@ static inline void ip_ib_mc_map(__be32 naddr, const unsigned char *broadcast, ch
buf[16] = addr & 0x0f;
}
+static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast, char *buf)
+{
+ if ((broadcast[0] | broadcast[1] | broadcast[2] | broadcast[3]) != 0)
+ memcpy(buf, broadcast, 4);
+ else
+ memcpy(buf, &naddr, sizeof(naddr));
+}
+
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#include <linux/ipv6.h>
#endif
@@ -393,14 +418,15 @@ extern int ip_forward(struct sk_buff *skb);
* Functions provided by ip_options.c
*/
-extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt, __be32 daddr, struct rtable *rt, int is_frag);
+extern void ip_options_build(struct sk_buff *skb, struct ip_options *opt,
+ __be32 daddr, struct rtable *rt, int is_frag);
extern int ip_options_echo(struct ip_options *dopt, struct sk_buff *skb);
extern void ip_options_fragment(struct sk_buff *skb);
extern int ip_options_compile(struct net *net,
struct ip_options *opt, struct sk_buff *skb);
-extern int ip_options_get(struct net *net, struct ip_options **optp,
+extern int ip_options_get(struct net *net, struct ip_options_rcu **optp,
unsigned char *data, int optlen);
-extern int ip_options_get_from_user(struct net *net, struct ip_options **optp,
+extern int ip_options_get_from_user(struct net *net, struct ip_options_rcu **optp,
unsigned char __user *data, int optlen);
extern void ip_options_undo(struct ip_options * opt);
extern void ip_forward_options(struct sk_buff *skb);
@@ -428,15 +454,6 @@ extern void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err,
extern void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 dport,
u32 info);
-/* sysctl helpers - any sysctl which holds a value that ends up being
- * fed into the routing cache should use these handlers.
- */
-int ipv4_doint_and_flush(ctl_table *ctl, int write,
- void __user *buffer,
- size_t *lenp, loff_t *ppos);
-int ipv4_doint_and_flush_strategy(ctl_table *table,
- void __user *oldval, size_t __user *oldlenp,
- void __user *newval, size_t newlen);
#ifdef CONFIG_PROC_FS
extern int ip_misc_proc_init(void);
#endif
generated by cgit v1.2.3 (git 2.46.0) at 2025-08-29 21:41:29 +0000