diff options
| -rw-r--r-- | include/linux/netfilter_arp.h | 1 | ||||
| -rw-r--r-- | include/linux/tcp.h | 9 | ||||
| -rw-r--r-- | net/ipv4/netfilter/arp_tables.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_diag.c | 3 |
4 files changed, 11 insertions, 4 deletions
diff --git a/include/linux/netfilter_arp.h b/include/linux/netfilter_arp.h index ecb3b56a60d3..a3f8977f7f12 100644 --- a/include/linux/netfilter_arp.h +++ b/include/linux/netfilter_arp.h @@ -17,5 +17,4 @@ #define NF_ARP_FORWARD 2 #define NF_ARP_NUMHOOKS 3 -static DECLARE_MUTEX(arpt_mutex); #endif /* __LINUX_ARP_NETFILTER_H */ diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 6f33c87d8ab5..39e2d22619dc 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -183,6 +183,9 @@ struct tcp_info __u32 tcpi_snd_cwnd; __u32 tcpi_advmss; __u32 tcpi_reordering; + + __u32 tcpi_rcv_rtt; + __u32 tcpi_rcv_space; }; #ifdef __KERNEL__ @@ -351,11 +354,11 @@ struct tcp_opt { __u8 urg_mode; /* In urgent mode */ __u32 snd_up; /* Urgent pointer */ - /* The syn_wait_lock is necessary only to avoid tcp_get_info having + /* The syn_wait_lock is necessary only to avoid proc interface having * to grab the main lock sock while browsing the listening hash * (otherwise it's deadlock prone). - * This lock is acquired in read mode only from tcp_get_info() and - * it's acquired in write mode _only_ from code that is actively + * This lock is acquired in read mode only from listening_get_next() + * and it's acquired in write mode _only_ from code that is actively * changing the syn_wait_queue. All readers that are holding * the master sock lock don't need to grab this lock in read mode * too as the syn_wait_queue writes are always protected from diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index c8309d63e736..28277c90eb18 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -62,6 +62,8 @@ do { \ #include <linux/netfilter_ipv4/lockhelp.h> #include <linux/netfilter_ipv4/listhelp.h> +static DECLARE_MUTEX(arpt_mutex); + struct arpt_table_info { unsigned int size; unsigned int number; diff --git a/net/ipv4/tcp_diag.c b/net/ipv4/tcp_diag.c index ff047707bbb8..5506944b7e7c 100644 --- a/net/ipv4/tcp_diag.c +++ b/net/ipv4/tcp_diag.c @@ -91,6 +91,9 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) info->tcpi_snd_cwnd = tp->snd_cwnd; info->tcpi_advmss = tp->advmss; info->tcpi_reordering = tp->reordering; + + info->tcpi_rcv_rtt = ((1000000*tp->rcv_rtt_est.rtt)/HZ)>>3; + info->tcpi_rcv_space = tp->rcvq_space.space; } static int tcpdiag_fill(struct sk_buff *skb, struct sock *sk, |