From 73af614aedd221df8495fc8c9993c50e87f899f2 Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Sat, 7 Dec 2013 19:26:55 +0100 Subject: [PATCH] neigh: use tbl->family to distinguish ipv4 from ipv6 Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- include/net/neighbour.h | 7 ++++++- net/core/neighbour.c | 14 +++++++++++++- net/ipv4/arp.c | 2 +- net/ipv4/devinet.c | 2 +- net/ipv6/addrconf.c | 2 +- net/ipv6/ndisc.c | 2 +- 6 files changed, 23 insertions(+), 6 deletions(-) diff --git a/include/net/neighbour.h b/include/net/neighbour.h index ed7eba045297..95615c9ad13a 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -202,6 +202,11 @@ struct neigh_table { struct pneigh_entry **phash_buckets; }; +static inline int neigh_parms_family(struct neigh_parms *p) +{ + return p->tbl->family; +} + #define NEIGH_PRIV_ALIGN sizeof(long long) #define NEIGH_ENTRY_SIZE(size) ALIGN((size), NEIGH_PRIV_ALIGN) @@ -306,7 +311,7 @@ int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write, size_t *lenp, loff_t *ppos); int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p, - char *p_name, proc_handler *proc_handler); + proc_handler *proc_handler); void neigh_sysctl_unregister(struct neigh_parms *p); static inline void __neigh_parms_put(struct neigh_parms *parms) diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 60edd97ad2bc..65ead080167b 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -2947,12 +2947,13 @@ static struct neigh_sysctl_table { }; int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p, - char *p_name, proc_handler *handler) + proc_handler *handler) { int i; struct neigh_sysctl_table *t; const char *dev_name_source; char neigh_path[ sizeof("net//neigh/") + IFNAMSIZ + IFNAMSIZ ]; + char *p_name; t = kmemdup(&neigh_sysctl_template, sizeof(*t), GFP_KERNEL); if (!t) @@ -2991,6 +2992,17 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p, if (neigh_parms_net(p)->user_ns != &init_user_ns) t->neigh_vars[0].procname = NULL; + switch (neigh_parms_family(p)) { + case AF_INET: + p_name = "ipv4"; + break; + case AF_INET6: + p_name = "ipv6"; + break; + default: + BUG(); + } + snprintf(neigh_path, sizeof(neigh_path), "net/%s/neigh/%s", p_name, dev_name_source); t->sysctl_header = diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 3a37c7df2a2f..f04185863940 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -1287,7 +1287,7 @@ void __init arp_init(void) dev_add_pack(&arp_packet_type); arp_proc_init(); #ifdef CONFIG_SYSCTL - neigh_sysctl_register(NULL, &arp_tbl.parms, "ipv4", NULL); + neigh_sysctl_register(NULL, &arp_tbl.parms, NULL); #endif register_netdevice_notifier(&arp_netdev_notifier); } diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index a1b5bcbd04ae..e1c19535fe38 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -2160,7 +2160,7 @@ static void __devinet_sysctl_unregister(struct ipv4_devconf *cnf) static void devinet_sysctl_register(struct in_device *idev) { - neigh_sysctl_register(idev->dev, idev->arp_parms, "ipv4", NULL); + neigh_sysctl_register(idev->dev, idev->arp_parms, NULL); __devinet_sysctl_register(dev_net(idev->dev), idev->dev->name, &idev->cnf); } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 55dc56f9072c..ea8a475fa8c5 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -5028,7 +5028,7 @@ static void __addrconf_sysctl_unregister(struct ipv6_devconf *p) static void addrconf_sysctl_register(struct inet6_dev *idev) { - neigh_sysctl_register(idev->dev, idev->nd_parms, "ipv6", + neigh_sysctl_register(idev->dev, idev->nd_parms, &ndisc_ifinfo_sysctl_change); __addrconf_sysctl_register(dev_net(idev->dev), idev->dev->name, idev, &idev->cnf); diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 5fc6f69652b8..09a22f4f36c9 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1730,7 +1730,7 @@ int __init ndisc_init(void) neigh_table_init(&nd_tbl); #ifdef CONFIG_SYSCTL - err = neigh_sysctl_register(NULL, &nd_tbl.parms, "ipv6", + err = neigh_sysctl_register(NULL, &nd_tbl.parms, &ndisc_ifinfo_sysctl_change); if (err) goto out_unregister_pernet; -- 2.30.2