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-rw-r--r--include/net/sock.h276
1 files changed, 135 insertions, 141 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 808cbc2ec6c..e3a18ff0c38 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -156,7 +156,7 @@ typedef __u64 __bitwise __addrpair;
*/
struct sock_common {
/* skc_daddr and skc_rcv_saddr must be grouped on a 8 bytes aligned
- * address on 64bit arches : cf INET_MATCH() and INET_TW_MATCH()
+ * address on 64bit arches : cf INET_MATCH()
*/
union {
__addrpair skc_addrpair;
@@ -191,6 +191,12 @@ struct sock_common {
#ifdef CONFIG_NET_NS
struct net *skc_net;
#endif
+
+#if IS_ENABLED(CONFIG_IPV6)
+ struct in6_addr skc_v6_daddr;
+ struct in6_addr skc_v6_rcv_saddr;
+#endif
+
/*
* fields between dontcopy_begin/dontcopy_end
* are not copied in sock_copy()
@@ -218,7 +224,7 @@ struct cg_proto;
* @sk_lock: synchronizer
* @sk_rcvbuf: size of receive buffer in bytes
* @sk_wq: sock wait queue and async head
- * @sk_rx_dst: receive input route used by early tcp demux
+ * @sk_rx_dst: receive input route used by early demux
* @sk_dst_cache: destination cache
* @sk_dst_lock: destination cache lock
* @sk_policy: flow policy
@@ -233,6 +239,7 @@ struct cg_proto;
* @sk_ll_usec: usecs to busypoll when there is no data
* @sk_allocation: allocation mode
* @sk_pacing_rate: Pacing rate (if supported by transport/packet scheduler)
+ * @sk_max_pacing_rate: Maximum pacing rate (%SO_MAX_PACING_RATE)
* @sk_sndbuf: size of send buffer in bytes
* @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE,
* %SO_OOBINLINE settings, %SO_TIMESTAMPING settings
@@ -299,6 +306,12 @@ struct sock {
#define sk_dontcopy_begin __sk_common.skc_dontcopy_begin
#define sk_dontcopy_end __sk_common.skc_dontcopy_end
#define sk_hash __sk_common.skc_hash
+#define sk_portpair __sk_common.skc_portpair
+#define sk_num __sk_common.skc_num
+#define sk_dport __sk_common.skc_dport
+#define sk_addrpair __sk_common.skc_addrpair
+#define sk_daddr __sk_common.skc_daddr
+#define sk_rcv_saddr __sk_common.skc_rcv_saddr
#define sk_family __sk_common.skc_family
#define sk_state __sk_common.skc_state
#define sk_reuse __sk_common.skc_reuse
@@ -307,6 +320,9 @@ struct sock {
#define sk_bind_node __sk_common.skc_bind_node
#define sk_prot __sk_common.skc_prot
#define sk_net __sk_common.skc_net
+#define sk_v6_daddr __sk_common.skc_v6_daddr
+#define sk_v6_rcv_saddr __sk_common.skc_v6_rcv_saddr
+
socket_lock_t sk_lock;
struct sk_buff_head sk_receive_queue;
/*
@@ -363,6 +379,7 @@ struct sock {
int sk_wmem_queued;
gfp_t sk_allocation;
u32 sk_pacing_rate; /* bytes per second */
+ u32 sk_max_pacing_rate;
netdev_features_t sk_route_caps;
netdev_features_t sk_route_nocaps;
int sk_gso_type;
@@ -751,7 +768,7 @@ static inline int sk_stream_wspace(const struct sock *sk)
return sk->sk_sndbuf - sk->sk_wmem_queued;
}
-extern void sk_stream_write_space(struct sock *sk);
+void sk_stream_write_space(struct sock *sk);
/* OOB backlog add */
static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
@@ -793,7 +810,7 @@ static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *s
return 0;
}
-extern int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
+int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
{
@@ -858,15 +875,15 @@ static inline void sock_rps_reset_rxhash(struct sock *sk)
__rc; \
})
-extern int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
-extern int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
-extern void sk_stream_wait_close(struct sock *sk, long timeo_p);
-extern int sk_stream_error(struct sock *sk, int flags, int err);
-extern void sk_stream_kill_queues(struct sock *sk);
-extern void sk_set_memalloc(struct sock *sk);
-extern void sk_clear_memalloc(struct sock *sk);
+int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
+int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
+void sk_stream_wait_close(struct sock *sk, long timeo_p);
+int sk_stream_error(struct sock *sk, int flags, int err);
+void sk_stream_kill_queues(struct sock *sk);
+void sk_set_memalloc(struct sock *sk);
+void sk_clear_memalloc(struct sock *sk);
-extern int sk_wait_data(struct sock *sk, long *timeo);
+int sk_wait_data(struct sock *sk, long *timeo);
struct request_sock_ops;
struct timewait_sock_ops;
@@ -1019,10 +1036,10 @@ enum cg_proto_flags {
struct cg_proto {
void (*enter_memory_pressure)(struct sock *sk);
- struct res_counter *memory_allocated; /* Current allocated memory. */
- struct percpu_counter *sockets_allocated; /* Current number of sockets. */
- int *memory_pressure;
- long *sysctl_mem;
+ struct res_counter memory_allocated; /* Current allocated memory. */
+ struct percpu_counter sockets_allocated; /* Current number of sockets. */
+ int memory_pressure;
+ long sysctl_mem[3];
unsigned long flags;
/*
* memcg field is used to find which memcg we belong directly
@@ -1036,8 +1053,8 @@ struct cg_proto {
struct mem_cgroup *memcg;
};
-extern int proto_register(struct proto *prot, int alloc_slab);
-extern void proto_unregister(struct proto *prot);
+int proto_register(struct proto *prot, int alloc_slab);
+void proto_unregister(struct proto *prot);
static inline bool memcg_proto_active(struct cg_proto *cg_proto)
{
@@ -1118,7 +1135,7 @@ static inline bool sk_under_memory_pressure(const struct sock *sk)
return false;
if (mem_cgroup_sockets_enabled && sk->sk_cgrp)
- return !!*sk->sk_cgrp->memory_pressure;
+ return !!sk->sk_cgrp->memory_pressure;
return !!*sk->sk_prot->memory_pressure;
}
@@ -1138,8 +1155,8 @@ static inline void sk_leave_memory_pressure(struct sock *sk)
struct proto *prot = sk->sk_prot;
for (; cg_proto; cg_proto = parent_cg_proto(prot, cg_proto))
- if (*cg_proto->memory_pressure)
- *cg_proto->memory_pressure = 0;
+ if (cg_proto->memory_pressure)
+ cg_proto->memory_pressure = 0;
}
}
@@ -1175,7 +1192,7 @@ static inline void memcg_memory_allocated_add(struct cg_proto *prot,
struct res_counter *fail;
int ret;
- ret = res_counter_charge_nofail(prot->memory_allocated,
+ ret = res_counter_charge_nofail(&prot->memory_allocated,
amt << PAGE_SHIFT, &fail);
if (ret < 0)
*parent_status = OVER_LIMIT;
@@ -1184,13 +1201,13 @@ static inline void memcg_memory_allocated_add(struct cg_proto *prot,
static inline void memcg_memory_allocated_sub(struct cg_proto *prot,
unsigned long amt)
{
- res_counter_uncharge(prot->memory_allocated, amt << PAGE_SHIFT);
+ res_counter_uncharge(&prot->memory_allocated, amt << PAGE_SHIFT);
}
static inline u64 memcg_memory_allocated_read(struct cg_proto *prot)
{
u64 ret;
- ret = res_counter_read_u64(prot->memory_allocated, RES_USAGE);
+ ret = res_counter_read_u64(&prot->memory_allocated, RES_USAGE);
return ret >> PAGE_SHIFT;
}
@@ -1238,7 +1255,7 @@ static inline void sk_sockets_allocated_dec(struct sock *sk)
struct cg_proto *cg_proto = sk->sk_cgrp;
for (; cg_proto; cg_proto = parent_cg_proto(prot, cg_proto))
- percpu_counter_dec(cg_proto->sockets_allocated);
+ percpu_counter_dec(&cg_proto->sockets_allocated);
}
percpu_counter_dec(prot->sockets_allocated);
@@ -1252,7 +1269,7 @@ static inline void sk_sockets_allocated_inc(struct sock *sk)
struct cg_proto *cg_proto = sk->sk_cgrp;
for (; cg_proto; cg_proto = parent_cg_proto(prot, cg_proto))
- percpu_counter_inc(cg_proto->sockets_allocated);
+ percpu_counter_inc(&cg_proto->sockets_allocated);
}
percpu_counter_inc(prot->sockets_allocated);
@@ -1264,7 +1281,7 @@ sk_sockets_allocated_read_positive(struct sock *sk)
struct proto *prot = sk->sk_prot;
if (mem_cgroup_sockets_enabled && sk->sk_cgrp)
- return percpu_counter_read_positive(sk->sk_cgrp->sockets_allocated);
+ return percpu_counter_read_positive(&sk->sk_cgrp->sockets_allocated);
return percpu_counter_read_positive(prot->sockets_allocated);
}
@@ -1292,8 +1309,8 @@ proto_memory_pressure(struct proto *prot)
#ifdef CONFIG_PROC_FS
/* Called with local bh disabled */
-extern void sock_prot_inuse_add(struct net *net, struct proto *prot, int inc);
-extern int sock_prot_inuse_get(struct net *net, struct proto *proto);
+void sock_prot_inuse_add(struct net *net, struct proto *prot, int inc);
+int sock_prot_inuse_get(struct net *net, struct proto *proto);
#else
static inline void sock_prot_inuse_add(struct net *net, struct proto *prot,
int inc)
@@ -1369,8 +1386,8 @@ static inline struct inode *SOCK_INODE(struct socket *socket)
/*
* Functions for memory accounting
*/
-extern int __sk_mem_schedule(struct sock *sk, int size, int kind);
-extern void __sk_mem_reclaim(struct sock *sk);
+int __sk_mem_schedule(struct sock *sk, int size, int kind);
+void __sk_mem_reclaim(struct sock *sk);
#define SK_MEM_QUANTUM ((int)PAGE_SIZE)
#define SK_MEM_QUANTUM_SHIFT ilog2(SK_MEM_QUANTUM)
@@ -1478,14 +1495,14 @@ do { \
lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0); \
} while (0)
-extern void lock_sock_nested(struct sock *sk, int subclass);
+void lock_sock_nested(struct sock *sk, int subclass);
static inline void lock_sock(struct sock *sk)
{
lock_sock_nested(sk, 0);
}
-extern void release_sock(struct sock *sk);
+void release_sock(struct sock *sk);
/* BH context may only use the following locking interface. */
#define bh_lock_sock(__sk) spin_lock(&((__sk)->sk_lock.slock))
@@ -1494,7 +1511,7 @@ extern void release_sock(struct sock *sk);
SINGLE_DEPTH_NESTING)
#define bh_unlock_sock(__sk) spin_unlock(&((__sk)->sk_lock.slock))
-extern bool lock_sock_fast(struct sock *sk);
+bool lock_sock_fast(struct sock *sk);
/**
* unlock_sock_fast - complement of lock_sock_fast
* @sk: socket
@@ -1512,108 +1529,84 @@ static inline void unlock_sock_fast(struct sock *sk, bool slow)
}
-extern struct sock *sk_alloc(struct net *net, int family,
- gfp_t priority,
- struct proto *prot);
-extern void sk_free(struct sock *sk);
-extern void sk_release_kernel(struct sock *sk);
-extern struct sock *sk_clone_lock(const struct sock *sk,
- const gfp_t priority);
-
-extern struct sk_buff *sock_wmalloc(struct sock *sk,
- unsigned long size, int force,
- gfp_t priority);
-extern struct sk_buff *sock_rmalloc(struct sock *sk,
- unsigned long size, int force,
- gfp_t priority);
-extern void sock_wfree(struct sk_buff *skb);
-extern void skb_orphan_partial(struct sk_buff *skb);
-extern void sock_rfree(struct sk_buff *skb);
-extern void sock_edemux(struct sk_buff *skb);
-
-extern int sock_setsockopt(struct socket *sock, int level,
- int op, char __user *optval,
- unsigned int optlen);
-
-extern int sock_getsockopt(struct socket *sock, int level,
- int op, char __user *optval,
- int __user *optlen);
-extern struct sk_buff *sock_alloc_send_skb(struct sock *sk,
- unsigned long size,
- int noblock,
- int *errcode);
-extern struct sk_buff *sock_alloc_send_pskb(struct sock *sk,
- unsigned long header_len,
- unsigned long data_len,
- int noblock,
- int *errcode,
- int max_page_order);
-extern void *sock_kmalloc(struct sock *sk, int size,
- gfp_t priority);
-extern void sock_kfree_s(struct sock *sk, void *mem, int size);
-extern void sk_send_sigurg(struct sock *sk);
+struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
+ struct proto *prot);
+void sk_free(struct sock *sk);
+void sk_release_kernel(struct sock *sk);
+struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
+
+struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
+ gfp_t priority);
+struct sk_buff *sock_rmalloc(struct sock *sk, unsigned long size, int force,
+ gfp_t priority);
+void sock_wfree(struct sk_buff *skb);
+void skb_orphan_partial(struct sk_buff *skb);
+void sock_rfree(struct sk_buff *skb);
+void sock_edemux(struct sk_buff *skb);
+
+int sock_setsockopt(struct socket *sock, int level, int op,
+ char __user *optval, unsigned int optlen);
+
+int sock_getsockopt(struct socket *sock, int level, int op,
+ char __user *optval, int __user *optlen);
+struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size,
+ int noblock, int *errcode);
+struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
+ unsigned long data_len, int noblock,
+ int *errcode, int max_page_order);
+void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
+void sock_kfree_s(struct sock *sk, void *mem, int size);
+void sk_send_sigurg(struct sock *sk);
/*
* Functions to fill in entries in struct proto_ops when a protocol
* does not implement a particular function.
*/
-extern int sock_no_bind(struct socket *,
- struct sockaddr *, int);
-extern int sock_no_connect(struct socket *,
- struct sockaddr *, int, int);
-extern int sock_no_socketpair(struct socket *,
- struct socket *);
-extern int sock_no_accept(struct socket *,
- struct socket *, int);
-extern int sock_no_getname(struct socket *,
- struct sockaddr *, int *, int);
-extern unsigned int sock_no_poll(struct file *, struct socket *,
- struct poll_table_struct *);
-extern int sock_no_ioctl(struct socket *, unsigned int,
- unsigned long);
-extern int sock_no_listen(struct socket *, int);
-extern int sock_no_shutdown(struct socket *, int);
-extern int sock_no_getsockopt(struct socket *, int , int,
- char __user *, int __user *);
-extern int sock_no_setsockopt(struct socket *, int, int,
- char __user *, unsigned int);
-extern int sock_no_sendmsg(struct kiocb *, struct socket *,
- struct msghdr *, size_t);
-extern int sock_no_recvmsg(struct kiocb *, struct socket *,
- struct msghdr *, size_t, int);
-extern int sock_no_mmap(struct file *file,
- struct socket *sock,
- struct vm_area_struct *vma);
-extern ssize_t sock_no_sendpage(struct socket *sock,
- struct page *page,
- int offset, size_t size,
- int flags);
+int sock_no_bind(struct socket *, struct sockaddr *, int);
+int sock_no_connect(struct socket *, struct sockaddr *, int, int);
+int sock_no_socketpair(struct socket *, struct socket *);
+int sock_no_accept(struct socket *, struct socket *, int);
+int sock_no_getname(struct socket *, struct sockaddr *, int *, int);
+unsigned int sock_no_poll(struct file *, struct socket *,
+ struct poll_table_struct *);
+int sock_no_ioctl(struct socket *, unsigned int, unsigned long);
+int sock_no_listen(struct socket *, int);
+int sock_no_shutdown(struct socket *, int);
+int sock_no_getsockopt(struct socket *, int , int, char __user *, int __user *);
+int sock_no_setsockopt(struct socket *, int, int, char __user *, unsigned int);
+int sock_no_sendmsg(struct kiocb *, struct socket *, struct msghdr *, size_t);
+int sock_no_recvmsg(struct kiocb *, struct socket *, struct msghdr *, size_t,
+ int);
+int sock_no_mmap(struct file *file, struct socket *sock,
+ struct vm_area_struct *vma);
+ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset,
+ size_t size, int flags);
/*
* Functions to fill in entries in struct proto_ops when a protocol
* uses the inet style.
*/
-extern int sock_common_getsockopt(struct socket *sock, int level, int optname,
+int sock_common_getsockopt(struct socket *sock, int level, int optname,
char __user *optval, int __user *optlen);
-extern int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
+int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags);
-extern int sock_common_setsockopt(struct socket *sock, int level, int optname,
+int sock_common_setsockopt(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen);
-extern int compat_sock_common_getsockopt(struct socket *sock, int level,
+int compat_sock_common_getsockopt(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
-extern int compat_sock_common_setsockopt(struct socket *sock, int level,
+int compat_sock_common_setsockopt(struct socket *sock, int level,
int optname, char __user *optval, unsigned int optlen);
-extern void sk_common_release(struct sock *sk);
+void sk_common_release(struct sock *sk);
/*
* Default socket callbacks and setup code
*/
/* Initialise core socket variables */
-extern void sock_init_data(struct socket *sock, struct sock *sk);
+void sock_init_data(struct socket *sock, struct sock *sk);
-extern void sk_filter_release_rcu(struct rcu_head *rcu);
+void sk_filter_release_rcu(struct rcu_head *rcu);
/**
* sk_filter_release - release a socket filter
@@ -1671,9 +1664,12 @@ static inline void sock_put(struct sock *sk)
if (atomic_dec_and_test(&sk->sk_refcnt))
sk_free(sk);
}
+/* Generic version of sock_put(), dealing with all sockets
+ * (TCP_TIMEWAIT, ESTABLISHED...)
+ */
+void sock_gen_put(struct sock *sk);
-extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb,
- const int nested);
+int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested);
static inline void sk_tx_queue_set(struct sock *sk, int tx_queue)
{
@@ -1727,8 +1723,8 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
write_unlock_bh(&sk->sk_callback_lock);
}
-extern kuid_t sock_i_uid(struct sock *sk);
-extern unsigned long sock_i_ino(struct sock *sk);
+kuid_t sock_i_uid(struct sock *sk);
+unsigned long sock_i_ino(struct sock *sk);
static inline struct dst_entry *
__sk_dst_get(struct sock *sk)
@@ -1750,8 +1746,6 @@ sk_dst_get(struct sock *sk)
return dst;
}
-extern void sk_reset_txq(struct sock *sk);
-
static inline void dst_negative_advice(struct sock *sk)
{
struct dst_entry *ndst, *dst = __sk_dst_get(sk);
@@ -1761,7 +1755,7 @@ static inline void dst_negative_advice(struct sock *sk)
if (ndst != dst) {
rcu_assign_pointer(sk->sk_dst_cache, ndst);
- sk_reset_txq(sk);
+ sk_tx_queue_clear(sk);
}
}
}
@@ -1803,16 +1797,16 @@ sk_dst_reset(struct sock *sk)
spin_unlock(&sk->sk_dst_lock);
}
-extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
+struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
-extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
+struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
static inline bool sk_can_gso(const struct sock *sk)
{
return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type);
}
-extern void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
+void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)
{
@@ -2025,14 +2019,14 @@ static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk)
sk_mem_charge(sk, skb->truesize);
}
-extern void sk_reset_timer(struct sock *sk, struct timer_list *timer,
- unsigned long expires);
+void sk_reset_timer(struct sock *sk, struct timer_list *timer,
+ unsigned long expires);
-extern void sk_stop_timer(struct sock *sk, struct timer_list *timer);
+void sk_stop_timer(struct sock *sk, struct timer_list *timer);
-extern int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
+int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
-extern int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
+int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
/*
* Recover an error report and clear atomically
@@ -2100,7 +2094,7 @@ static inline struct page_frag *sk_page_frag(struct sock *sk)
return &sk->sk_frag;
}
-extern bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
+bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
/*
* Default write policy as shown to user space via poll/select/SIGIO
@@ -2138,10 +2132,10 @@ static inline int sock_intr_errno(long timeo)
return timeo == MAX_SCHEDULE_TIMEOUT ? -ERESTARTSYS : -EINTR;
}
-extern void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
- struct sk_buff *skb);
-extern void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
- struct sk_buff *skb);
+void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
+ struct sk_buff *skb);
+void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
+ struct sk_buff *skb);
static inline void
sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
@@ -2174,8 +2168,8 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
__sock_recv_wifi_status(msg, sk, skb);
}
-extern void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
- struct sk_buff *skb);
+void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
+ struct sk_buff *skb);
static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
struct sk_buff *skb)
@@ -2200,7 +2194,7 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
*
* Currently only depends on SOCK_TIMESTAMPING* flags.
*/
-extern void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags);
+void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags);
/**
* sk_eat_skb - Release a skb if it is no longer needed
@@ -2264,11 +2258,11 @@ static inline struct sock *skb_steal_sock(struct sk_buff *skb)
return NULL;
}
-extern void sock_enable_timestamp(struct sock *sk, int flag);
-extern int sock_get_timestamp(struct sock *, struct timeval __user *);
-extern int sock_get_timestampns(struct sock *, struct timespec __user *);
-extern int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len,
- int level, int type);
+void sock_enable_timestamp(struct sock *sk, int flag);
+int sock_get_timestamp(struct sock *, struct timeval __user *);
+int sock_get_timestampns(struct sock *, struct timespec __user *);
+int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
+ int type);
/*
* Enable debug/info messages
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 14:47:00 +0000