From 0b040829952d84bf2a62526f0e24b624e0699447 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 10 Jun 2008 22:46:50 -0700 Subject: net: remove CVS keywords This patch removes CVS keywords that weren't updated for a long time from comments. Signed-off-by: Adrian Bunk Signed-off-by: David S. Miller --- net/ipv4/proc.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 552169b41b16..eb5cee279c5f 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -7,8 +7,6 @@ * PROC file system. It is mainly used for debugging and * statistics. * - * Version: $Id: proc.c,v 1.45 2001/05/16 16:45:35 davem Exp $ - * * Authors: Fred N. van Kempen, * Gerald J. Heim, * Fred Baumgarten, -- cgit v1.2.3 From 57ef42d59d1c1d79be59fc3c6380ae14234e38c3 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:02:08 -0700 Subject: mib: put tcp statistics on struct net Proc temporary uses stats from init_net. BTW, TCP_XXX_STATS are beautiful (w/o do { } while (0) facing) again :) Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index eb5cee279c5f..19e1d8e257da 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -359,11 +359,11 @@ static int snmp_seq_show(struct seq_file *seq, void *v) /* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) seq_printf(seq, " %ld", - snmp_fold_field((void **)tcp_statistics, + snmp_fold_field((void **)init_net.mib.tcp_statistics, snmp4_tcp_list[i].entry)); else seq_printf(seq, " %lu", - snmp_fold_field((void **)tcp_statistics, + snmp_fold_field((void **)init_net.mib.tcp_statistics, snmp4_tcp_list[i].entry)); } -- cgit v1.2.3 From a20f5799ca7ceb24d63c74b6fdad4b0c0ee91f4f Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:02:42 -0700 Subject: mib: put ip statistics on struct net Similar to tcp one. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 19e1d8e257da..2698bb2ce98f 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -344,7 +344,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)ip_statistics, + snmp_fold_field((void **)init_net.mib.ip_statistics, snmp4_ipstats_list[i].entry)); icmp_put(seq); /* RFC 2011 compatibility */ @@ -431,7 +431,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nIpExt:"); for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)ip_statistics, + snmp_fold_field((void **)init_net.mib.ip_statistics, snmp4_ipextstats_list[i].entry)); seq_putc(seq, '\n'); -- cgit v1.2.3 From 61a7e26028b94805fd686a6dc9dbd9941f8f19b0 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:03:08 -0700 Subject: mib: put net statistics on struct net Similar to ip and tcp ones :) Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 2698bb2ce98f..ef38b1dccfda 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -421,7 +421,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nTcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)net_statistics, + snmp_fold_field((void **)init_net.mib.net_statistics, snmp4_net_list[i].entry)); seq_puts(seq, "\nIpExt:"); -- cgit v1.2.3 From 2f275f91a438abd8eec5321798d66a4ffe6869fa Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:03:27 -0700 Subject: mib: put udp statistics on struct net Similar to... ouch, I repeat myself. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index ef38b1dccfda..869085c8e43f 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -374,7 +374,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nUdp:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)udp_statistics, + snmp_fold_field((void **)init_net.mib.udp_statistics, snmp4_udp_list[i].entry)); /* the UDP and UDP-Lite MIBs are the same */ -- cgit v1.2.3 From 386019d3514b3ed9de8d0b05b67e638a7048375b Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:03:45 -0700 Subject: mib: put udplite statistics on struct net Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 869085c8e43f..765418334b3c 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -385,7 +385,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nUdpLite:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)udplite_statistics, + snmp_fold_field((void **)init_net.mib.udplite_statistics, snmp4_udp_list[i].entry)); seq_putc(seq, '\n'); -- cgit v1.2.3 From b60538a0d737609213e4b758881913498d3ff0b4 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:04:02 -0700 Subject: mib: put icmp statistics on struct net Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 765418334b3c..6b43cce05587 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -311,15 +311,15 @@ static void icmp_put(struct seq_file *seq) for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " Out%s", icmpmibmap[i].name); seq_printf(seq, "\nIcmp: %lu %lu", - snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INMSGS), - snmp_fold_field((void **) icmp_statistics, ICMP_MIB_INERRORS)); + snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_INMSGS), + snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_INERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", snmp_fold_field((void **) icmpmsg_statistics, icmpmibmap[i].index)); seq_printf(seq, " %lu %lu", - snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTMSGS), - snmp_fold_field((void **) icmp_statistics, ICMP_MIB_OUTERRORS)); + snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTMSGS), + snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", snmp_fold_field((void **) icmpmsg_statistics, -- cgit v1.2.3 From 923c6586b0dc0a00df07a1608185437145a0c68b Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:04:22 -0700 Subject: mib: put icmpmsg statistics on struct net Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 6b43cce05587..e11144b0134a 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -270,7 +270,7 @@ static void icmpmsg_put(struct seq_file *seq) count = 0; for (i = 0; i < ICMPMSG_MIB_MAX; i++) { - if (snmp_fold_field((void **) icmpmsg_statistics, i)) + if (snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, i)) out[count++] = i; if (count < PERLINE) continue; @@ -282,7 +282,7 @@ static void icmpmsg_put(struct seq_file *seq) seq_printf(seq, "\nIcmpMsg: "); for (j = 0; j < PERLINE; ++j) seq_printf(seq, " %lu", - snmp_fold_field((void **) icmpmsg_statistics, + snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, out[j])); seq_putc(seq, '\n'); } @@ -294,7 +294,7 @@ static void icmpmsg_put(struct seq_file *seq) seq_printf(seq, "\nIcmpMsg:"); for (j = 0; j < count; ++j) seq_printf(seq, " %lu", snmp_fold_field((void **) - icmpmsg_statistics, out[j])); + init_net.mib.icmpmsg_statistics, out[j])); } #undef PERLINE @@ -315,14 +315,14 @@ static void icmp_put(struct seq_file *seq) snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_INERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **) icmpmsg_statistics, + snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, icmpmibmap[i].index)); seq_printf(seq, " %lu %lu", snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTMSGS), snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **) icmpmsg_statistics, + snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, icmpmibmap[i].index | 0x100)); } -- cgit v1.2.3 From 7b7a9dfdf6ccda647f54ea5fa3bd0ac17a189eeb Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:05:17 -0700 Subject: proc: create /proc/net/netstat file in each net Now all the shown in it statistics is netnsizated, time to show it in appropriate net. The appropriate net init/exit ops already exist - they make the sockstat file per net - so just extend them. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 47 ++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 38 insertions(+), 9 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index e11144b0134a..df8c4affde0f 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -413,6 +413,7 @@ static const struct file_operations snmp_seq_fops = { static int netstat_seq_show(struct seq_file *seq, void *v) { int i; + struct net *net = seq->private; seq_puts(seq, "TcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) @@ -421,7 +422,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nTcpExt:"); for (i = 0; snmp4_net_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.net_statistics, + snmp_fold_field((void **)net->mib.net_statistics, snmp4_net_list[i].entry)); seq_puts(seq, "\nIpExt:"); @@ -431,7 +432,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nIpExt:"); for (i = 0; snmp4_ipextstats_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.ip_statistics, + snmp_fold_field((void **)net->mib.ip_statistics, snmp4_ipextstats_list[i].entry)); seq_putc(seq, '\n'); @@ -440,7 +441,32 @@ static int netstat_seq_show(struct seq_file *seq, void *v) static int netstat_seq_open(struct inode *inode, struct file *file) { - return single_open(file, netstat_seq_show, NULL); + int err; + struct net *net; + + err = -ENXIO; + net = get_proc_net(inode); + if (net == NULL) + goto err_net; + + err = single_open(file, netstat_seq_show, net); + if (err < 0) + goto err_open; + + return 0; + +err_open: + put_net(net); +err_net: + return err; +} + +static int netstat_seq_release(struct inode *inode, struct file *file) +{ + struct net *net = ((struct seq_file *)file->private_data)->private; + + put_net(net); + return single_release(inode, file); } static const struct file_operations netstat_seq_fops = { @@ -448,18 +474,26 @@ static const struct file_operations netstat_seq_fops = { .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = netstat_seq_release, }; static __net_init int ip_proc_init_net(struct net *net) { if (!proc_net_fops_create(net, "sockstat", S_IRUGO, &sockstat_seq_fops)) return -ENOMEM; + if (!proc_net_fops_create(net, "netstat", S_IRUGO, &netstat_seq_fops)) + goto out_netstat; + return 0; + +out_netstat: + proc_net_remove(net, "sockstat"); + return -ENOMEM; } static __net_exit void ip_proc_exit_net(struct net *net) { + proc_net_remove(net, "netstat"); proc_net_remove(net, "sockstat"); } @@ -475,16 +509,11 @@ int __init ip_misc_proc_init(void) if (register_pernet_subsys(&ip_proc_ops)) goto out_pernet; - if (!proc_net_fops_create(&init_net, "netstat", S_IRUGO, &netstat_seq_fops)) - goto out_netstat; - if (!proc_net_fops_create(&init_net, "snmp", S_IRUGO, &snmp_seq_fops)) goto out_snmp; out: return rc; out_snmp: - proc_net_remove(&init_net, "netstat"); -out_netstat: unregister_pernet_subsys(&ip_proc_ops); out_pernet: rc = -ENOMEM; -- cgit v1.2.3 From 229bf0cbaa054f1502ab4ee219f05985d2c838d1 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:06:04 -0700 Subject: proc: create /proc/net/snmp file in each net All the statistics shown in this file have been made per-net already. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 70 ++++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 50 insertions(+), 20 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index df8c4affde0f..367b81f6f57a 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -266,11 +266,12 @@ static void icmpmsg_put(struct seq_file *seq) int j, i, count; static int out[PERLINE]; + struct net *net = seq->private; count = 0; for (i = 0; i < ICMPMSG_MIB_MAX; i++) { - if (snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, i)) + if (snmp_fold_field((void **) net->mib.icmpmsg_statistics, i)) out[count++] = i; if (count < PERLINE) continue; @@ -282,7 +283,7 @@ static void icmpmsg_put(struct seq_file *seq) seq_printf(seq, "\nIcmpMsg: "); for (j = 0; j < PERLINE; ++j) seq_printf(seq, " %lu", - snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, + snmp_fold_field((void **) net->mib.icmpmsg_statistics, out[j])); seq_putc(seq, '\n'); } @@ -294,7 +295,7 @@ static void icmpmsg_put(struct seq_file *seq) seq_printf(seq, "\nIcmpMsg:"); for (j = 0; j < count; ++j) seq_printf(seq, " %lu", snmp_fold_field((void **) - init_net.mib.icmpmsg_statistics, out[j])); + net->mib.icmpmsg_statistics, out[j])); } #undef PERLINE @@ -303,6 +304,7 @@ static void icmpmsg_put(struct seq_file *seq) static void icmp_put(struct seq_file *seq) { int i; + struct net *net = seq->private; seq_puts(seq, "\nIcmp: InMsgs InErrors"); for (i=0; icmpmibmap[i].name != NULL; i++) @@ -311,18 +313,18 @@ static void icmp_put(struct seq_file *seq) for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " Out%s", icmpmibmap[i].name); seq_printf(seq, "\nIcmp: %lu %lu", - snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_INMSGS), - snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_INERRORS)); + snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_INMSGS), + snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_INERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, + snmp_fold_field((void **) net->mib.icmpmsg_statistics, icmpmibmap[i].index)); seq_printf(seq, " %lu %lu", - snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTMSGS), - snmp_fold_field((void **) init_net.mib.icmp_statistics, ICMP_MIB_OUTERRORS)); + snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_OUTMSGS), + snmp_fold_field((void **) net->mib.icmp_statistics, ICMP_MIB_OUTERRORS)); for (i=0; icmpmibmap[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **) init_net.mib.icmpmsg_statistics, + snmp_fold_field((void **) net->mib.icmpmsg_statistics, icmpmibmap[i].index | 0x100)); } @@ -332,6 +334,7 @@ static void icmp_put(struct seq_file *seq) static int snmp_seq_show(struct seq_file *seq, void *v) { int i; + struct net *net = seq->private; seq_puts(seq, "Ip: Forwarding DefaultTTL"); @@ -344,7 +347,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.ip_statistics, + snmp_fold_field((void **)net->mib.ip_statistics, snmp4_ipstats_list[i].entry)); icmp_put(seq); /* RFC 2011 compatibility */ @@ -359,11 +362,11 @@ static int snmp_seq_show(struct seq_file *seq, void *v) /* MaxConn field is signed, RFC 2012 */ if (snmp4_tcp_list[i].entry == TCP_MIB_MAXCONN) seq_printf(seq, " %ld", - snmp_fold_field((void **)init_net.mib.tcp_statistics, + snmp_fold_field((void **)net->mib.tcp_statistics, snmp4_tcp_list[i].entry)); else seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.tcp_statistics, + snmp_fold_field((void **)net->mib.tcp_statistics, snmp4_tcp_list[i].entry)); } @@ -374,7 +377,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nUdp:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.udp_statistics, + snmp_fold_field((void **)net->mib.udp_statistics, snmp4_udp_list[i].entry)); /* the UDP and UDP-Lite MIBs are the same */ @@ -385,7 +388,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_puts(seq, "\nUdpLite:"); for (i = 0; snmp4_udp_list[i].name != NULL; i++) seq_printf(seq, " %lu", - snmp_fold_field((void **)init_net.mib.udplite_statistics, + snmp_fold_field((void **)net->mib.udplite_statistics, snmp4_udp_list[i].entry)); seq_putc(seq, '\n'); @@ -394,7 +397,32 @@ static int snmp_seq_show(struct seq_file *seq, void *v) static int snmp_seq_open(struct inode *inode, struct file *file) { - return single_open(file, snmp_seq_show, NULL); + int err; + struct net *net; + + err = -ENXIO; + net = get_proc_net(inode); + if (net == NULL) + goto err_net; + + err = single_open(file, snmp_seq_show, net); + if (err < 0) + goto err_open; + + return 0; + +err_open: + put_net(net); +err_net: + return err; +} + +static int snmp_seq_release(struct inode *inode, struct file *file) +{ + struct net *net = ((struct seq_file *)file->private_data)->private; + + put_net(net); + return single_release(inode, file); } static const struct file_operations snmp_seq_fops = { @@ -402,7 +430,7 @@ static const struct file_operations snmp_seq_fops = { .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = snmp_seq_release, }; @@ -483,9 +511,13 @@ static __net_init int ip_proc_init_net(struct net *net) return -ENOMEM; if (!proc_net_fops_create(net, "netstat", S_IRUGO, &netstat_seq_fops)) goto out_netstat; + if (!proc_net_fops_create(net, "snmp", S_IRUGO, &snmp_seq_fops)) + goto out_snmp; return 0; +out_snmp: + proc_net_remove(net, "netstat"); out_netstat: proc_net_remove(net, "sockstat"); return -ENOMEM; @@ -493,6 +525,7 @@ out_netstat: static __net_exit void ip_proc_exit_net(struct net *net) { + proc_net_remove(net, "snmp"); proc_net_remove(net, "netstat"); proc_net_remove(net, "sockstat"); } @@ -509,12 +542,9 @@ int __init ip_misc_proc_init(void) if (register_pernet_subsys(&ip_proc_ops)) goto out_pernet; - if (!proc_net_fops_create(&init_net, "snmp", S_IRUGO, &snmp_seq_fops)) - goto out_snmp; out: return rc; -out_snmp: - unregister_pernet_subsys(&ip_proc_ops); + out_pernet: rc = -ENOMEM; goto out; -- cgit v1.2.3 From 8e3461d01bdbc3dbf993448ed9ad4acaaeb6495d Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:06:26 -0700 Subject: proc: show per-net ip_devconf.forwarding in /proc/net/snmp This one has become per-net long ago, but the appropriate file is per-net only now. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 367b81f6f57a..120e1f7461da 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -342,7 +342,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) seq_printf(seq, " %s", snmp4_ipstats_list[i].name); seq_printf(seq, "\nIp: %d %d", - IPV4_DEVCONF_ALL(&init_net, FORWARDING) ? 1 : 2, + IPV4_DEVCONF_ALL(net, FORWARDING) ? 1 : 2, sysctl_ip_default_ttl); for (i = 0; snmp4_ipstats_list[i].name != NULL; i++) -- cgit v1.2.3 From 60bdde95807e982a824be9cfdd35055cc721a88a Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:06:50 -0700 Subject: proc: clean the ip_misc_proc_init and ip_proc_init_net error paths After all this stuff is moved outside, this function can look better. Besides, I tuned the error path in ip_proc_init_net to make it have only 2 exit points, not 3. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 120e1f7461da..554390431a4e 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -508,7 +508,7 @@ static const struct file_operations netstat_seq_fops = { static __net_init int ip_proc_init_net(struct net *net) { if (!proc_net_fops_create(net, "sockstat", S_IRUGO, &sockstat_seq_fops)) - return -ENOMEM; + goto out_sockstat; if (!proc_net_fops_create(net, "netstat", S_IRUGO, &netstat_seq_fops)) goto out_netstat; if (!proc_net_fops_create(net, "snmp", S_IRUGO, &snmp_seq_fops)) @@ -520,6 +520,7 @@ out_snmp: proc_net_remove(net, "netstat"); out_netstat: proc_net_remove(net, "sockstat"); +out_sockstat: return -ENOMEM; } @@ -537,16 +538,6 @@ static __net_initdata struct pernet_operations ip_proc_ops = { int __init ip_misc_proc_init(void) { - int rc = 0; - - if (register_pernet_subsys(&ip_proc_ops)) - goto out_pernet; - -out: - return rc; - -out_pernet: - rc = -ENOMEM; - goto out; + return register_pernet_subsys(&ip_proc_ops); } -- cgit v1.2.3 From de05c557b24c7dffc6d392e3db120cf11c9f6ae7 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:07:21 -0700 Subject: proc: consolidate per-net single_open callers There are already 7 of them - time to kill some duplicate code. Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 57 +++------------------------------------------------------ 1 file changed, 3 insertions(+), 54 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 554390431a4e..daf5d3c80cef 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -71,24 +71,7 @@ static int sockstat_seq_show(struct seq_file *seq, void *v) static int sockstat_seq_open(struct inode *inode, struct file *file) { - int err; - struct net *net; - - err = -ENXIO; - net = get_proc_net(inode); - if (net == NULL) - goto err_net; - - err = single_open(file, sockstat_seq_show, net); - if (err < 0) - goto err_open; - - return 0; - -err_open: - put_net(net); -err_net: - return err; + return single_open_net(inode, file, sockstat_seq_show); } static int sockstat_seq_release(struct inode *inode, struct file *file) @@ -397,24 +380,7 @@ static int snmp_seq_show(struct seq_file *seq, void *v) static int snmp_seq_open(struct inode *inode, struct file *file) { - int err; - struct net *net; - - err = -ENXIO; - net = get_proc_net(inode); - if (net == NULL) - goto err_net; - - err = single_open(file, snmp_seq_show, net); - if (err < 0) - goto err_open; - - return 0; - -err_open: - put_net(net); -err_net: - return err; + return single_open_net(inode, file, snmp_seq_show); } static int snmp_seq_release(struct inode *inode, struct file *file) @@ -469,24 +435,7 @@ static int netstat_seq_show(struct seq_file *seq, void *v) static int netstat_seq_open(struct inode *inode, struct file *file) { - int err; - struct net *net; - - err = -ENXIO; - net = get_proc_net(inode); - if (net == NULL) - goto err_net; - - err = single_open(file, netstat_seq_show, net); - if (err < 0) - goto err_open; - - return 0; - -err_open: - put_net(net); -err_net: - return err; + return single_open_net(inode, file, netstat_seq_show); } static int netstat_seq_release(struct inode *inode, struct file *file) -- cgit v1.2.3 From b6fcbdb4f283f7ba67cec3cda6be23da8e959031 Mon Sep 17 00:00:00 2001 From: Pavel Emelyanov Date: Fri, 18 Jul 2008 04:07:44 -0700 Subject: proc: consolidate per-net single-release callers They are symmetrical to single_open ones :) Signed-off-by: Pavel Emelyanov Signed-off-by: David S. Miller --- net/ipv4/proc.c | 30 +++--------------------------- 1 file changed, 3 insertions(+), 27 deletions(-) (limited to 'net/ipv4/proc.c') diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index daf5d3c80cef..834356ea99df 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -74,20 +74,12 @@ static int sockstat_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, sockstat_seq_show); } -static int sockstat_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations sockstat_seq_fops = { .owner = THIS_MODULE, .open = sockstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = sockstat_seq_release, + .release = single_release_net, }; /* snmp items */ @@ -383,20 +375,12 @@ static int snmp_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, snmp_seq_show); } -static int snmp_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations snmp_seq_fops = { .owner = THIS_MODULE, .open = snmp_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = snmp_seq_release, + .release = single_release_net, }; @@ -438,20 +422,12 @@ static int netstat_seq_open(struct inode *inode, struct file *file) return single_open_net(inode, file, netstat_seq_show); } -static int netstat_seq_release(struct inode *inode, struct file *file) -{ - struct net *net = ((struct seq_file *)file->private_data)->private; - - put_net(net); - return single_release(inode, file); -} - static const struct file_operations netstat_seq_fops = { .owner = THIS_MODULE, .open = netstat_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = netstat_seq_release, + .release = single_release_net, }; static __net_init int ip_proc_init_net(struct net *net) -- cgit v1.2.3