netfilter: nfnetlink: add and use nfnetlink_broadcast

This removes the only reference of net->nfnl outside of the nfnetlink
module.  This allows to move net->nfnl to net_generic infra.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 791d516..d4c1425 100644 (file)
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -51,6 +51,8 @@ int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 portid,
                   unsigned int group, int echo, gfp_t flags);
 int nfnetlink_set_err(struct net *net, u32 portid, u32 group, int error);
 int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid);
+void nfnetlink_broadcast(struct net *net, struct sk_buff *skb, __u32 portid,
+                        __u32 group, gfp_t allocation);
 
 static inline u16 nfnl_msg_type(u8 subsys, u8 msg_type)
 {

diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index d3df66a..06e106b 100644 (file)
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -178,6 +178,13 @@ int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u32 portid)
 }
 EXPORT_SYMBOL_GPL(nfnetlink_unicast);
 
+void nfnetlink_broadcast(struct net *net, struct sk_buff *skb, __u32 portid,
+                        __u32 group, gfp_t allocation)
+{
+       netlink_broadcast(net->nfnl, skb, portid, group, allocation);
+}
+EXPORT_SYMBOL_GPL(nfnetlink_broadcast);
+
 /* Process one complete nfnetlink message. */
 static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
                             struct netlink_ext_ack *extack)

diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index bb930f3..6895f31 100644 (file)
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -469,8 +469,7 @@ static void nfnl_overquota_report(struct net *net, struct nf_acct *nfacct)
                kfree_skb(skb);
                return;
        }
-       netlink_broadcast(net->nfnl, skb, 0, NFNLGRP_ACCT_QUOTA,
-                         GFP_ATOMIC);
+       nfnetlink_broadcast(net, skb, 0, NFNLGRP_ACCT_QUOTA, GFP_ATOMIC);
 }
 
 int nfnl_acct_overquota(struct net *net, struct nf_acct *nfacct)