From: Patrick McHardy Date: Thu, 6 Apr 2006 21:09:12 +0000 (-0700) Subject: [NETFILTER]: Add helper functions for mass hook registration/unregistration X-Git-Tag: v2.6.17-rc2~291^2~23 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=972d1cb1427946f4980240363aac4e73fb375290;p=linux-2.6-omap-h63xx.git [NETFILTER]: Add helper functions for mass hook registration/unregistration Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index 412e52ca972..5aa93160792 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -110,6 +110,8 @@ struct nf_info /* Function to register/unregister hook points. */ int nf_register_hook(struct nf_hook_ops *reg); void nf_unregister_hook(struct nf_hook_ops *reg); +int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n); +void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n); /* Functions to register get/setsockopt ranges (non-inclusive). You need to check permissions yourself! */ diff --git a/net/netfilter/core.c b/net/netfilter/core.c index 1ceb1a6c254..645d6210557 100644 --- a/net/netfilter/core.c +++ b/net/netfilter/core.c @@ -63,6 +63,34 @@ void nf_unregister_hook(struct nf_hook_ops *reg) } EXPORT_SYMBOL(nf_unregister_hook); +int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n) +{ + unsigned int i; + int err = 0; + + for (i = 0; i < n; i++) { + err = nf_register_hook(®[i]); + if (err) + goto err; + } + return err; + +err: + if (i > 0) + nf_unregister_hooks(reg, i); + return err; +} +EXPORT_SYMBOL(nf_register_hooks); + +void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n) +{ + unsigned int i; + + for (i = 0; i < n; i++) + nf_unregister_hook(®[i]); +} +EXPORT_SYMBOL(nf_unregister_hooks); + unsigned int nf_iterate(struct list_head *head, struct sk_buff **skb, int hook,