struct mutex *cb_mutex;
struct mutex cb_def_mutex;
void (*netlink_rcv)(struct sk_buff *skb);
+ void (*netlink_bind)(int group);
struct module *module;
};
unsigned int groups;
struct mutex *cb_mutex;
struct module *module;
+ void (*bind)(int group);
int registered;
};
struct module *module = NULL;
struct mutex *cb_mutex;
struct netlink_sock *nlk;
+ void (*bind)(int group);
int err = 0;
sock->state = SS_UNCONNECTED;
else
err = -EPROTONOSUPPORT;
cb_mutex = nl_table[protocol].cb_mutex;
+ bind = nl_table[protocol].bind;
netlink_unlock_table();
if (err < 0)
nlk = nlk_sk(sock->sk);
nlk->module = module;
+ nlk->netlink_bind = bind;
out:
return err;
netlink_update_listeners(sk);
netlink_table_ungrab();
+ if (nlk->netlink_bind && nlk->groups[0]) {
+ int i;
+
+ for (i=0; i<nlk->ngroups; i++) {
+ if (test_bit(i, nlk->groups))
+ nlk->netlink_bind(i);
+ }
+ }
+
return 0;
}
netlink_update_socket_mc(nlk, val,
optname == NETLINK_ADD_MEMBERSHIP);
netlink_table_ungrab();
+
+ if (nlk->netlink_bind)
+ nlk->netlink_bind(val);
+
err = 0;
break;
}
*/
struct sock *
-netlink_kernel_create(struct net *net, int unit, unsigned int groups,
- void (*input)(struct sk_buff *skb),
- struct mutex *cb_mutex, struct module *module)
+netlink_kernel_create(struct net *net, int unit,
+ struct module *module,
+ struct netlink_kernel_cfg *cfg)
{
struct socket *sock;
struct sock *sk;
struct netlink_sock *nlk;
struct listeners *listeners = NULL;
+ struct mutex *cb_mutex = cfg ? cfg->cb_mutex : NULL;
+ unsigned int groups;
BUG_ON(!nl_table);
sk = sock->sk;
sk_change_net(sk, net);
- if (groups < 32)
+ if (!cfg || cfg->groups < 32)
groups = 32;
+ else
+ groups = cfg->groups;
listeners = kzalloc(sizeof(*listeners) + NLGRPSZ(groups), GFP_KERNEL);
if (!listeners)
goto out_sock_release;
sk->sk_data_ready = netlink_data_ready;
- if (input)
- nlk_sk(sk)->netlink_rcv = input;
+ if (cfg && cfg->input)
+ nlk_sk(sk)->netlink_rcv = cfg->input;
if (netlink_insert(sk, net, 0))
goto out_sock_release;
rcu_assign_pointer(nl_table[unit].listeners, listeners);
nl_table[unit].cb_mutex = cb_mutex;
nl_table[unit].module = module;
+ nl_table[unit].bind = cfg ? cfg->bind : NULL;
nl_table[unit].registered = 1;
} else {
kfree(listeners);