From 0c7ed677fb7013c8028045d409a48ac42151187a Mon Sep 17 00:00:00 2001 From: "Denis V. Lunev" Date: Tue, 7 Oct 2008 14:49:36 -0700 Subject: [PATCH] netns: make udpv6 mib per/namespace Signed-off-by: Denis V. Lunev Signed-off-by: David S. Miller --- include/net/netns/mib.h | 1 + include/net/udp.h | 12 ++++++------ net/ipv4/udp.c | 3 --- net/ipv6/af_inet6.c | 9 ++++----- net/ipv6/proc.c | 3 ++- 5 files changed, 13 insertions(+), 15 deletions(-) diff --git a/include/net/netns/mib.h b/include/net/netns/mib.h index ffcef5de3d1d..ba622b24b847 100644 --- a/include/net/netns/mib.h +++ b/include/net/netns/mib.h @@ -14,6 +14,7 @@ struct netns_mib { #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) struct proc_dir_entry *proc_net_devsnmp6; + DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6); #endif }; diff --git a/include/net/udp.h b/include/net/udp.h index d38f6f2419f9..72f28c3ddaae 100644 --- a/include/net/udp.h +++ b/include/net/udp.h @@ -152,8 +152,6 @@ extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, __be32 daddr, __be16 dport, int dif); -DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6); - /* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */ DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6); @@ -167,12 +165,14 @@ DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6); if (is_udplite) SNMP_INC_STATS_BH((net)->mib.udplite_statistics, field); \ else SNMP_INC_STATS_BH((net)->mib.udp_statistics, field); } while(0) -#define UDP6_INC_STATS_BH(net, field, is_udplite) do { (void)net; \ +#define UDP6_INC_STATS_BH(net, field, is_udplite) do { \ if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field); \ - else SNMP_INC_STATS_BH(udp_stats_in6, field); } while(0) -#define UDP6_INC_STATS_USER(net, field, is_udplite) do { (void)net; \ + else SNMP_INC_STATS_BH((net)->mib.udp_stats_in6, field); \ +} while(0) +#define UDP6_INC_STATS_USER(net, field, is_udplite) do { \ if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field); \ - else SNMP_INC_STATS_USER(udp_stats_in6, field); } while(0) + else SNMP_INC_STATS_USER((net)->mib.udp_stats_in6, field); \ +} while(0) #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) #define UDPX_INC_STATS_BH(sk, field) \ diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 822c9deac83b..85f8e8e10b1b 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -108,9 +108,6 @@ * Snmp MIB for the UDP layer */ -DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6) __read_mostly; -EXPORT_SYMBOL(udp_stats_in6); - struct hlist_head udp_hash[UDP_HTABLE_SIZE]; DEFINE_RWLOCK(udp_hash_lock); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e8f82eca1609..e09139122efe 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -806,16 +806,12 @@ static int __init init_ipv6_mibs(void) if (snmp_mib_init((void **)icmpv6msg_statistics, sizeof(struct icmpv6msg_mib)) < 0) goto err_icmpmsg_mib; - if (snmp_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib)) < 0) - goto err_udp_mib; if (snmp_mib_init((void **)udplite_stats_in6, sizeof (struct udp_mib)) < 0) goto err_udplite_mib; return 0; err_udplite_mib: - snmp_mib_free((void **)udp_stats_in6); -err_udp_mib: snmp_mib_free((void **)icmpv6msg_statistics); err_icmpmsg_mib: snmp_mib_free((void **)icmpv6_statistics); @@ -831,17 +827,20 @@ static void cleanup_ipv6_mibs(void) snmp_mib_free((void **)ipv6_statistics); snmp_mib_free((void **)icmpv6_statistics); snmp_mib_free((void **)icmpv6msg_statistics); - snmp_mib_free((void **)udp_stats_in6); snmp_mib_free((void **)udplite_stats_in6); } static int __net_init ipv6_init_mibs(struct net *net) { + if (snmp_mib_init((void **)net->mib.udp_stats_in6, + sizeof (struct udp_mib)) < 0) + return -ENOMEM; return 0; } static void __net_exit ipv6_cleanup_mibs(struct net *net) { + snmp_mib_free((void **)net->mib.udp_stats_in6); } static int inet6_net_init(struct net *net) diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index 23e567fb1d37..3eaf20bf998f 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -180,7 +180,8 @@ static int snmp6_seq_show(struct seq_file *seq, void *v) snmp6_seq_show_item(seq, (void **)ipv6_statistics, snmp6_ipstats_list); snmp6_seq_show_item(seq, (void **)icmpv6_statistics, snmp6_icmp6_list); snmp6_seq_show_icmpv6msg(seq, (void **)icmpv6msg_statistics); - snmp6_seq_show_item(seq, (void **)udp_stats_in6, snmp6_udp6_list); + snmp6_seq_show_item(seq, (void **)net->mib.udp_stats_in6, + snmp6_udp6_list); snmp6_seq_show_item(seq, (void **)udplite_stats_in6, snmp6_udplite6_list); return 0; } -- 2.20.1