diff options
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/datagram.c | 6 | ||||
| -rw-r--r-- | net/ipv4/icmp.c | 15 | ||||
| -rw-r--r-- | net/ipv4/inet_connection_sock.c | 4 | ||||
| -rw-r--r-- | net/ipv4/tcp.c | 3 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 4 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 5 | ||||
| -rw-r--r-- | net/ipv4/udp.c | 5 |
7 files changed, 25 insertions, 17 deletions
diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index dd02a45d0f6..0301dd468cf 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -50,8 +50,12 @@ int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) RT_CONN_FLAGS(sk), oif, sk->sk_protocol, inet->sport, usin->sin_port, sk, 1); - if (err) + if (err) { + if (err == -ENETUNREACH) + IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES); return err; + } + if ((rt->rt_flags & RTCF_BROADCAST) && !sock_flag(sk, SOCK_BROADCAST)) { ip_rt_put(rt); return -EACCES; diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index e238b17f554..02a899bec19 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -514,12 +514,15 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) saddr = iph->daddr; if (!(rt->rt_flags & RTCF_LOCAL)) { - /* This is broken, skb_in->dev points to the outgoing device - * after the packet passes through ip_output(). - */ - if (skb_in->dev && sysctl_icmp_errors_use_inbound_ifaddr) - saddr = inet_select_addr(skb_in->dev, 0, RT_SCOPE_LINK); - else + struct net_device *dev = NULL; + + if (rt->fl.iif && sysctl_icmp_errors_use_inbound_ifaddr) + dev = dev_get_by_index(rt->fl.iif); + + if (dev) { + saddr = inet_select_addr(dev, 0, RT_SCOPE_LINK); + dev_put(dev); + } else saddr = 0; } diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 43fb1600f1f..fbe7714f21d 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -31,10 +31,8 @@ EXPORT_SYMBOL(inet_csk_timer_bug_msg); /* * This array holds the first and last local port number. - * For high-usage systems, use sysctl to change this to - * 32768-61000 */ -int sysctl_local_port_range[2] = { 1024, 4999 }; +int sysctl_local_port_range[2] = { 32768, 61000 }; int inet_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 766314505c0..cd3c7e95de9 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2464,13 +2464,10 @@ void __init tcp_init(void) order++) ; if (order >= 4) { - sysctl_local_port_range[0] = 32768; - sysctl_local_port_range[1] = 61000; tcp_death_row.sysctl_max_tw_buckets = 180000; sysctl_tcp_max_orphans = 4096 << (order - 4); sysctl_max_syn_backlog = 1024; } else if (order < 3) { - sysctl_local_port_range[0] = 1024 * (3 - order); tcp_death_row.sysctl_max_tw_buckets >>= (3 - order); sysctl_tcp_max_orphans >>= (3 - order); sysctl_max_syn_backlog = 128; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 38cb25b48bf..74683d81c3f 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2407,8 +2407,8 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p) struct sk_buff *skb; __u32 now = tcp_time_stamp; int acked = 0; + int prior_packets = tp->packets_out; __s32 seq_rtt = -1; - u32 pkts_acked = 0; ktime_t last_ackt = ktime_set(0,0); while ((skb = tcp_write_queue_head(sk)) && @@ -2437,7 +2437,6 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p) */ if (!(scb->flags & TCPCB_FLAG_SYN)) { acked |= FLAG_DATA_ACKED; - ++pkts_acked; } else { acked |= FLAG_SYN_ACKED; tp->retrans_stamp = 0; @@ -2481,6 +2480,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, __s32 *seq_rtt_p) } if (acked&FLAG_ACKED) { + u32 pkts_acked = prior_packets - tp->packets_out; const struct tcp_congestion_ops *ca_ops = inet_csk(sk)->icsk_ca_ops; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 5a3e7f839fc..47c61055eb6 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -192,8 +192,11 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) RT_CONN_FLAGS(sk), sk->sk_bound_dev_if, IPPROTO_TCP, inet->sport, usin->sin_port, sk, 1); - if (tmp < 0) + if (tmp < 0) { + if (tmp == -ENETUNREACH) + IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES); return tmp; + } if (rt->rt_flags & (RTCF_MULTICAST | RTCF_BROADCAST)) { ip_rt_put(rt); diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 4c7e95fa090..5da703e699d 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -722,8 +722,11 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, .dport = dport } } }; security_sk_classify_flow(sk, &fl); err = ip_route_output_flow(&rt, &fl, sk, 1); - if (err) + if (err) { + if (err == -ENETUNREACH) + IP_INC_STATS_BH(IPSTATS_MIB_OUTNOROUTES); goto out; + } err = -EACCES; if ((rt->rt_flags & RTCF_BROADCAST) && |