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-rw-r--r--include/net/af_unix.h11
-rw-r--r--include/net/if_inet6.h10
-rw-r--r--include/net/inet_common.h3
-rw-r--r--include/net/ip.h1
-rw-r--r--include/net/ip6_tunnel.h1
-rw-r--r--include/net/ipv6.h1
-rw-r--r--include/net/ndisc.h2
-rw-r--r--include/net/netns/sctp.h1
-rw-r--r--include/net/scm.h1
-rw-r--r--include/net/sctp/structs.h4
-rw-r--r--include/net/sock.h27
-rw-r--r--include/net/tcp.h3
12 files changed, 56 insertions, 9 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index dbdfd2b0f3b..6278e4d3261 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -6,8 +6,8 @@
#include <linux/mutex.h>
#include <net/sock.h>
-extern void unix_inflight(struct file *fp);
-extern void unix_notinflight(struct file *fp);
+extern void unix_inflight(struct user_struct *user, struct file *fp);
+extern void unix_notinflight(struct user_struct *user, struct file *fp);
extern void unix_gc(void);
extern void wait_for_unix_gc(void);
extern struct sock *unix_get_socket(struct file *filp);
@@ -62,8 +62,13 @@ struct unix_sock {
#define UNIX_GC_CANDIDATE 0
#define UNIX_GC_MAYBE_CYCLE 1
struct socket_wq peer_wq;
+ wait_queue_t peer_wake;
};
-#define unix_sk(__sk) ((struct unix_sock *)__sk)
+
+static inline struct unix_sock *unix_sk(struct sock *sk)
+{
+ return (struct unix_sock *)sk;
+}
#define peer_wait peer_wq.wait
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 100fb8cec17..a49b6502916 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -31,8 +31,10 @@
#define IF_PREFIX_AUTOCONF 0x02
enum {
+ INET6_IFADDR_STATE_PREDAD,
INET6_IFADDR_STATE_DAD,
INET6_IFADDR_STATE_POSTDAD,
+ INET6_IFADDR_STATE_ERRDAD,
INET6_IFADDR_STATE_UP,
INET6_IFADDR_STATE_DEAD,
};
@@ -50,7 +52,7 @@ struct inet6_ifaddr {
int state;
- __u8 probes;
+ __u8 dad_probes;
__u8 flags;
__u16 scope;
@@ -58,7 +60,7 @@ struct inet6_ifaddr {
unsigned long cstamp; /* created timestamp */
unsigned long tstamp; /* updated timestamp */
- struct timer_list timer;
+ struct delayed_work dad_work;
struct inet6_dev *idev;
struct rt6_info *rt;
@@ -195,6 +197,10 @@ struct inet6_dev {
struct inet6_dev *next;
struct ipv6_devconf cnf;
struct ipv6_devstat stats;
+
+ struct timer_list rs_timer;
+ __u8 rs_probes;
+
unsigned long tstamp; /* ipv6InterfaceTable update timestamp */
struct rcu_head rcu;
};
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 234008782c8..102fc42c7fb 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -40,7 +40,8 @@ extern int inet_ctl_sock_create(struct sock **sk, unsigned short family,
static inline void inet_ctl_sock_destroy(struct sock *sk)
{
- sk_release_kernel(sk);
+ if (sk)
+ sk_release_kernel(sk);
}
#endif
diff --git a/include/net/ip.h b/include/net/ip.h
index fc62ae0a47d..a04070b8249 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -141,6 +141,7 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4)
}
/* datagram.c */
+int __ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
extern int ip4_datagram_connect(struct sock *sk,
struct sockaddr *uaddr, int addr_len);
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 4da5de10d1d..b140c6079e3 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -75,6 +75,7 @@ static inline void ip6tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
int pkt_len, err;
nf_reset(skb);
+ memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
pkt_len = skb->len;
err = ip6_local_out(skb);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 27e9ba47b30..8645f1bc803 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -487,6 +487,7 @@ struct ip6_create_arg {
u32 user;
const struct in6_addr *src;
const struct in6_addr *dst;
+ int iif;
u8 ecn;
};
diff --git a/include/net/ndisc.h b/include/net/ndisc.h
index 5043f8b0805..4b12d99a13c 100644
--- a/include/net/ndisc.h
+++ b/include/net/ndisc.h
@@ -190,7 +190,9 @@ static inline struct neighbour *__ipv6_neigh_lookup(struct net_device *dev, cons
}
extern int ndisc_init(void);
+extern int ndisc_late_init(void);
+extern void ndisc_late_cleanup(void);
extern void ndisc_cleanup(void);
extern int ndisc_rcv(struct sk_buff *skb);
diff --git a/include/net/netns/sctp.h b/include/net/netns/sctp.h
index 3573a81815a..8ba379f9e46 100644
--- a/include/net/netns/sctp.h
+++ b/include/net/netns/sctp.h
@@ -31,6 +31,7 @@ struct netns_sctp {
struct list_head addr_waitq;
struct timer_list addr_wq_timer;
struct list_head auto_asconf_splist;
+ /* Lock that protects both addr_waitq and auto_asconf_splist */
spinlock_t addr_wq_lock;
/* Lock that protects the local_addr_list writers */
diff --git a/include/net/scm.h b/include/net/scm.h
index 8de2d37d207..d00cd43a990 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -21,6 +21,7 @@ struct scm_creds {
struct scm_fp_list {
short count;
short max;
+ struct user_struct *user;
struct file *fp[SCM_MAX_FD];
};
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index da6b9a01ff7..b30c1d95be2 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -228,6 +228,10 @@ struct sctp_sock {
atomic_t pd_mode;
/* Receive to here while partial delivery is in effect. */
struct sk_buff_head pd_lobby;
+
+ /* These must be the last fields, as they will skipped on copies,
+ * like on accept and peeloff operations
+ */
struct list_head auto_asconf_list;
int do_auto_asconf;
};
diff --git a/include/net/sock.h b/include/net/sock.h
index c0aad07160e..a46dd30ea58 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -352,6 +352,7 @@ struct sock {
sk_no_check : 2,
sk_userlocks : 4,
sk_protocol : 8,
+#define SK_PROTOCOL_MAX U8_MAX
sk_type : 16;
kmemcheck_bitfield_end(flags);
int sk_wmem_queued;
@@ -672,6 +673,8 @@ enum sock_flags {
SOCK_SELECT_ERR_QUEUE, /* Wake select on error queue */
};
+#define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
+
static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)
{
nsk->sk_flags = osk->sk_flags;
@@ -782,6 +785,14 @@ static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *s
if (sk_rcvqueues_full(sk, skb, limit))
return -ENOBUFS;
+ /*
+ * If the skb was allocated from pfmemalloc reserves, only
+ * allow SOCK_MEMALLOC sockets to use it as this socket is
+ * helping free memory
+ */
+ if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC))
+ return -ENOMEM;
+
__sk_add_backlog(sk, skb);
sk->sk_backlog.len += skb->truesize;
return 0;
@@ -1347,7 +1358,7 @@ 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);
+void __sk_mem_reclaim(struct sock *sk, int amount);
#define SK_MEM_QUANTUM ((int)PAGE_SIZE)
#define SK_MEM_QUANTUM_SHIFT ilog2(SK_MEM_QUANTUM)
@@ -1388,7 +1399,7 @@ static inline void sk_mem_reclaim(struct sock *sk)
if (!sk_has_account(sk))
return;
if (sk->sk_forward_alloc >= SK_MEM_QUANTUM)
- __sk_mem_reclaim(sk);
+ __sk_mem_reclaim(sk, sk->sk_forward_alloc);
}
static inline void sk_mem_reclaim_partial(struct sock *sk)
@@ -1396,7 +1407,7 @@ static inline void sk_mem_reclaim_partial(struct sock *sk)
if (!sk_has_account(sk))
return;
if (sk->sk_forward_alloc > SK_MEM_QUANTUM)
- __sk_mem_reclaim(sk);
+ __sk_mem_reclaim(sk, sk->sk_forward_alloc - 1);
}
static inline void sk_mem_charge(struct sock *sk, int size)
@@ -1411,6 +1422,16 @@ static inline void sk_mem_uncharge(struct sock *sk, int size)
if (!sk_has_account(sk))
return;
sk->sk_forward_alloc += size;
+
+ /* Avoid a possible overflow.
+ * TCP send queues can make this happen, if sk_mem_reclaim()
+ * is not called and more than 2 GBytes are released at once.
+ *
+ * If we reach 2 MBytes, reclaim 1 MBytes right now, there is
+ * no need to hold that much forward allocation anyway.
+ */
+ if (unlikely(sk->sk_forward_alloc >= 1 << 21))
+ __sk_mem_reclaim(sk, 1 << 20);
}
static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 79f12349735..7de75c32d16 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1030,6 +1030,7 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp)
}
extern bool tcp_prequeue(struct sock *sk, struct sk_buff *skb);
+int tcp_filter(struct sock *sk, struct sk_buff *skb);
#undef STATE_TRACE
@@ -1393,6 +1394,8 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli
{
if (sk->sk_send_head == skb_unlinked)
sk->sk_send_head = NULL;
+ if (tcp_sk(sk)->highest_sack == skb_unlinked)
+ tcp_sk(sk)->highest_sack = NULL;
}
static inline void tcp_init_send_head(struct sock *sk)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-23 22:10:10 +0000