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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

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Pull networking update from David S. Miller:
 "I think Eric Dumazet and I have dealt with all of the known routing
  cache removal fallout.  Some other minor fixes all around.

  1) Fix RCU of cached routes, particular of output routes which require
     liberation via call_rcu() instead of call_rcu_bh().  From Eric
     Dumazet.

  2) Make sure we purge net device references in cached routes properly.

  3) TG3 driver bug fixes from Michael Chan.

  4) Fix reported 'expires' value in ipv6 routes, from Li Wei.

  5) TUN driver ioctl leaks kernel bytes to userspace, from Mathias
     Krause."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
  ipv4: Properly purge netdev references on uncached routes.
  ipv4: Cache routes in nexthop exception entries.
  ipv4: percpu nh_rth_output cache
  ipv4: Restore old dst_free() behavior.
  bridge: make port attributes const
  ipv4: remove rt_cache_rebuild_count
  net: ipv4: fix RCU races on dst refcounts
  net: TCP early demux cleanup
  tun: Fix formatting.
  net/tun: fix ioctl() based info leaks
  tg3: Update version to 3.124
  tg3: Fix race condition in tg3_get_stats64()
  tg3: Add New 5719 Read DMA workaround
  tg3: Fix Read DMA workaround for 5719 A0.
  tg3: Request APE_LOCK_PHY before PHY access
  ipv6: fix incorrect route 'expires' value passed to userspace
  mISDN: Bugfix only few bytes are transfered on a connection
  seeq: use PTR_RET at init_module of driver
  bnx2x: remove cast around the kmalloc in bnx2x_prev_mark_path
  ipv4: clean up put_child
  ...
This commit is contained in:
Linus Torvalds 2012-07-31 18:43:13 -07:00
commit fd37ce34bd
26 changed files with 316 additions and 145 deletions
Download patch file Download diff file Expand all files Collapse all files

9
include/net/inet_sock.h
View file

@ -249,4 +249,13 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk)
return flags;
}
static inline void inet_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb)
{
struct dst_entry *dst = skb_dst(skb);
dst_hold(dst);
sk->sk_rx_dst = dst;
inet_sk(sk)->rx_dst_ifindex = skb->skb_iif;
}
#endif /* _INET_SOCK_H */

6
include/net/ip_fib.h
View file

@ -21,6 +21,7 @@
#include <linux/rcupdate.h>
#include <net/fib_rules.h>
#include <net/inetpeer.h>
#include <linux/percpu.h>
struct fib_config {
u8 fc_dst_len;
@ -54,6 +55,7 @@ struct fib_nh_exception {
u32 fnhe_pmtu;
__be32 fnhe_gw;
unsigned long fnhe_expires;
struct rtable __rcu *fnhe_rth;
unsigned long fnhe_stamp;
};
@ -81,8 +83,8 @@ struct fib_nh {
__be32 nh_gw;
__be32 nh_saddr;
int nh_saddr_genid;
struct rtable *nh_rth_output;
struct rtable *nh_rth_input;
struct rtable __rcu * __percpu *nh_pcpu_rth_output;
struct rtable __rcu *nh_rth_input;
struct fnhe_hash_bucket *nh_exceptions;
};

2
include/net/netns/ipv4.h
View file

@ -61,8 +61,6 @@ struct netns_ipv4 {
int sysctl_icmp_ratelimit;
int sysctl_icmp_ratemask;
int sysctl_icmp_errors_use_inbound_ifaddr;
int sysctl_rt_cache_rebuild_count;
int current_rt_cache_rebuild_count;
unsigned int sysctl_ping_group_range[2];
long sysctl_tcp_mem[3];

3
include/net/route.h
View file

@ -57,6 +57,8 @@ struct rtable {
/* Miscellaneous cached information */
u32 rt_pmtu;
struct list_head rt_uncached;
};
static inline bool rt_is_input_route(const struct rtable *rt)
@ -107,6 +109,7 @@ extern struct ip_rt_acct __percpu *ip_rt_acct;
struct in_device;
extern int ip_rt_init(void);
extern void rt_cache_flush(struct net *net, int how);
extern void rt_flush_dev(struct net_device *dev);
extern struct rtable *__ip_route_output_key(struct net *, struct flowi4 *flp);
extern struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp,
struct sock *sk);