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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 17:40:34 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 17:40:34 +0900
commit42a2d923cc349583ebf6fdd52a7d35e1c2f7e6bd (patch)
tree2b2b0c03b5389c1301800119333967efafd994ca /include/net/inet_connection_sock.h
parent5cbb3d216e2041700231bcfc383ee5f8b7fc8b74 (diff)
parent75ecab1df14d90e86cebef9ec5c76befde46e65f (diff)
downloadlinux-42a2d923cc349583ebf6fdd52a7d35e1c2f7e6bd.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: 1) The addition of nftables. No longer will we need protocol aware firewall filtering modules, it can all live in userspace. At the core of nftables is a, for lack of a better term, virtual machine that executes byte codes to inspect packet or metadata (arriving interface index, etc.) and make verdict decisions. Besides support for loading packet contents and comparing them, the interpreter supports lookups in various datastructures as fundamental operations. For example sets are supports, and therefore one could create a set of whitelist IP address entries which have ACCEPT verdicts attached to them, and use the appropriate byte codes to do such lookups. Since the interpreted code is composed in userspace, userspace can do things like optimize things before giving it to the kernel. Another major improvement is the capability of atomically updating portions of the ruleset. In the existing netfilter implementation, one has to update the entire rule set in order to make a change and this is very expensive. Userspace tools exist to create nftables rules using existing netfilter rule sets, but both kernel implementations will need to co-exist for quite some time as we transition from the old to the new stuff. Kudos to Patrick McHardy, Pablo Neira Ayuso, and others who have worked so hard on this. 2) Daniel Borkmann and Hannes Frederic Sowa made several improvements to our pseudo-random number generator, mostly used for things like UDP port randomization and netfitler, amongst other things. In particular the taus88 generater is updated to taus113, and test cases are added. 3) Support 64-bit rates in HTB and TBF schedulers, from Eric Dumazet and Yang Yingliang. 4) Add support for new 577xx tigon3 chips to tg3 driver, from Nithin Sujir. 5) Fix two fatal flaws in TCP dynamic right sizing, from Eric Dumazet, Neal Cardwell, and Yuchung Cheng. 6) Allow IP_TOS and IP_TTL to be specified in sendmsg() ancillary control message data, much like other socket option attributes. From Francesco Fusco. 7) Allow applications to specify a cap on the rate computed automatically by the kernel for pacing flows, via a new SO_MAX_PACING_RATE socket option. From Eric Dumazet. 8) Make the initial autotuned send buffer sizing in TCP more closely reflect actual needs, from Eric Dumazet. 9) Currently early socket demux only happens for TCP sockets, but we can do it for connected UDP sockets too. Implementation from Shawn Bohrer. 10) Refactor inet socket demux with the goal of improving hash demux performance for listening sockets. With the main goals being able to use RCU lookups on even request sockets, and eliminating the listening lock contention. From Eric Dumazet. 11) The bonding layer has many demuxes in it's fast path, and an RCU conversion was started back in 3.11, several changes here extend the RCU usage to even more locations. From Ding Tianhong and Wang Yufen, based upon suggestions by Nikolay Aleksandrov and Veaceslav Falico. 12) Allow stackability of segmentation offloads to, in particular, allow segmentation offloading over tunnels. From Eric Dumazet. 13) Significantly improve the handling of secret keys we input into the various hash functions in the inet hashtables, TCP fast open, as well as syncookies. From Hannes Frederic Sowa. The key fundamental operation is "net_get_random_once()" which uses static keys. Hannes even extended this to ipv4/ipv6 fragmentation handling and our generic flow dissector. 14) The generic driver layer takes care now to set the driver data to NULL on device removal, so it's no longer necessary for drivers to explicitly set it to NULL any more. Many drivers have been cleaned up in this way, from Jingoo Han. 15) Add a BPF based packet scheduler classifier, from Daniel Borkmann. 16) Improve CRC32 interfaces and generic SKB checksum iterators so that SCTP's checksumming can more cleanly be handled. Also from Daniel Borkmann. 17) Add a new PMTU discovery mode, IP_PMTUDISC_INTERFACE, which forces using the interface MTU value. This helps avoid PMTU attacks, particularly on DNS servers. From Hannes Frederic Sowa. 18) Use generic XPS for transmit queue steering rather than internal (re-)implementation in virtio-net. From Jason Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits) random32: add test cases for taus113 implementation random32: upgrade taus88 generator to taus113 from errata paper random32: move rnd_state to linux/random.h random32: add prandom_reseed_late() and call when nonblocking pool becomes initialized random32: add periodic reseeding random32: fix off-by-one in seeding requirement PHY: Add RTL8201CP phy_driver to realtek xtsonic: add missing platform_set_drvdata() in xtsonic_probe() macmace: add missing platform_set_drvdata() in mace_probe() ethernet/arc/arc_emac: add missing platform_set_drvdata() in arc_emac_probe() ipv6: protect for_each_sk_fl_rcu in mem_check with rcu_read_lock_bh vlan: Implement vlan_dev_get_egress_qos_mask as an inline. ixgbe: add warning when max_vfs is out of range. igb: Update link modes display in ethtool netfilter: push reasm skb through instead of original frag skbs ip6_output: fragment outgoing reassembled skb properly MAINTAINERS: mv643xx_eth: take over maintainership from Lennart net_sched: tbf: support of 64bit rates ixgbe: deleting dfwd stations out of order can cause null ptr deref ixgbe: fix build err, num_rx_queues is only available with CONFIG_RPS ...
Diffstat (limited to 'include/net/inet_connection_sock.h')
-rw-r--r--include/net/inet_connection_sock.h79
1 files changed, 38 insertions, 41 deletions
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index de2c78529afa..c55aeed41ace 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -146,9 +146,9 @@ static inline void *inet_csk_ca(const struct sock *sk)
return (void *)inet_csk(sk)->icsk_ca_priv;
}
-extern struct sock *inet_csk_clone_lock(const struct sock *sk,
- const struct request_sock *req,
- const gfp_t priority);
+struct sock *inet_csk_clone_lock(const struct sock *sk,
+ const struct request_sock *req,
+ const gfp_t priority);
enum inet_csk_ack_state_t {
ICSK_ACK_SCHED = 1,
@@ -157,11 +157,11 @@ enum inet_csk_ack_state_t {
ICSK_ACK_PUSHED2 = 8
};
-extern void inet_csk_init_xmit_timers(struct sock *sk,
- void (*retransmit_handler)(unsigned long),
- void (*delack_handler)(unsigned long),
- void (*keepalive_handler)(unsigned long));
-extern void inet_csk_clear_xmit_timers(struct sock *sk);
+void inet_csk_init_xmit_timers(struct sock *sk,
+ void (*retransmit_handler)(unsigned long),
+ void (*delack_handler)(unsigned long),
+ void (*keepalive_handler)(unsigned long));
+void inet_csk_clear_xmit_timers(struct sock *sk);
static inline void inet_csk_schedule_ack(struct sock *sk)
{
@@ -178,8 +178,8 @@ static inline void inet_csk_delack_init(struct sock *sk)
memset(&inet_csk(sk)->icsk_ack, 0, sizeof(inet_csk(sk)->icsk_ack));
}
-extern void inet_csk_delete_keepalive_timer(struct sock *sk);
-extern void inet_csk_reset_keepalive_timer(struct sock *sk, unsigned long timeout);
+void inet_csk_delete_keepalive_timer(struct sock *sk);
+void inet_csk_reset_keepalive_timer(struct sock *sk, unsigned long timeout);
#ifdef INET_CSK_DEBUG
extern const char inet_csk_timer_bug_msg[];
@@ -241,23 +241,21 @@ static inline void inet_csk_reset_xmit_timer(struct sock *sk, const int what,
#endif
}
-extern struct sock *inet_csk_accept(struct sock *sk, int flags, int *err);
+struct sock *inet_csk_accept(struct sock *sk, int flags, int *err);
-extern struct request_sock *inet_csk_search_req(const struct sock *sk,
- struct request_sock ***prevp,
- const __be16 rport,
- const __be32 raddr,
- const __be32 laddr);
-extern int inet_csk_bind_conflict(const struct sock *sk,
- const struct inet_bind_bucket *tb, bool relax);
-extern int inet_csk_get_port(struct sock *sk, unsigned short snum);
+struct request_sock *inet_csk_search_req(const struct sock *sk,
+ struct request_sock ***prevp,
+ const __be16 rport,
+ const __be32 raddr,
+ const __be32 laddr);
+int inet_csk_bind_conflict(const struct sock *sk,
+ const struct inet_bind_bucket *tb, bool relax);
+int inet_csk_get_port(struct sock *sk, unsigned short snum);
-extern struct dst_entry* inet_csk_route_req(struct sock *sk,
- struct flowi4 *fl4,
+struct dst_entry *inet_csk_route_req(struct sock *sk, struct flowi4 *fl4,
+ const struct request_sock *req);
+struct dst_entry *inet_csk_route_child_sock(struct sock *sk, struct sock *newsk,
const struct request_sock *req);
-extern struct dst_entry* inet_csk_route_child_sock(struct sock *sk,
- struct sock *newsk,
- const struct request_sock *req);
static inline void inet_csk_reqsk_queue_add(struct sock *sk,
struct request_sock *req,
@@ -266,9 +264,8 @@ static inline void inet_csk_reqsk_queue_add(struct sock *sk,
reqsk_queue_add(&inet_csk(sk)->icsk_accept_queue, req, sk, child);
}
-extern void inet_csk_reqsk_queue_hash_add(struct sock *sk,
- struct request_sock *req,
- unsigned long timeout);
+void inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req,
+ unsigned long timeout);
static inline void inet_csk_reqsk_queue_removed(struct sock *sk,
struct request_sock *req)
@@ -315,13 +312,13 @@ static inline void inet_csk_reqsk_queue_drop(struct sock *sk,
reqsk_free(req);
}
-extern void inet_csk_reqsk_queue_prune(struct sock *parent,
- const unsigned long interval,
- const unsigned long timeout,
- const unsigned long max_rto);
+void inet_csk_reqsk_queue_prune(struct sock *parent,
+ const unsigned long interval,
+ const unsigned long timeout,
+ const unsigned long max_rto);
-extern void inet_csk_destroy_sock(struct sock *sk);
-extern void inet_csk_prepare_forced_close(struct sock *sk);
+void inet_csk_destroy_sock(struct sock *sk);
+void inet_csk_prepare_forced_close(struct sock *sk);
/*
* LISTEN is a special case for poll..
@@ -332,15 +329,15 @@ static inline unsigned int inet_csk_listen_poll(const struct sock *sk)
(POLLIN | POLLRDNORM) : 0;
}
-extern int inet_csk_listen_start(struct sock *sk, const int nr_table_entries);
-extern void inet_csk_listen_stop(struct sock *sk);
+int inet_csk_listen_start(struct sock *sk, const int nr_table_entries);
+void inet_csk_listen_stop(struct sock *sk);
-extern void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
+void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr);
-extern int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
- char __user *optval, int __user *optlen);
-extern int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
- char __user *optval, unsigned int optlen);
+int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, int __user *optlen);
+int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
+ char __user *optval, unsigned int optlen);
-extern struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
+struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
#endif /* _INET_CONNECTION_SOCK_H */