Phonet: deliver broadcast packets to broadcast sockets
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
67ca0e5fa8
commit
f14001fcd7
|
@ -47,6 +47,7 @@ static inline struct pn_sock *pn_sk(struct sock *sk)
|
||||||
extern const struct proto_ops phonet_dgram_ops;
|
extern const struct proto_ops phonet_dgram_ops;
|
||||||
|
|
||||||
struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
|
struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *sa);
|
||||||
|
void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb);
|
||||||
void phonet_get_local_port_range(int *min, int *max);
|
void phonet_get_local_port_range(int *min, int *max);
|
||||||
void pn_sock_hash(struct sock *sk);
|
void pn_sock_hash(struct sock *sk);
|
||||||
void pn_sock_unhash(struct sock *sk);
|
void pn_sock_unhash(struct sock *sk);
|
||||||
|
|
|
@ -369,6 +369,12 @@ static int phonet_rcv(struct sk_buff *skb, struct net_device *dev,
|
||||||
|
|
||||||
pn_skb_get_dst_sockaddr(skb, &sa);
|
pn_skb_get_dst_sockaddr(skb, &sa);
|
||||||
|
|
||||||
|
/* check if this is broadcasted */
|
||||||
|
if (pn_sockaddr_get_addr(&sa) == PNADDR_BROADCAST) {
|
||||||
|
pn_deliver_sock_broadcast(net, skb);
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
|
||||||
/* check if we are the destination */
|
/* check if we are the destination */
|
||||||
if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
|
if (phonet_address_lookup(net, pn_sockaddr_get_addr(&sa)) == 0) {
|
||||||
/* Phonet packet input */
|
/* Phonet packet input */
|
||||||
|
|
|
@ -94,7 +94,28 @@ struct sock *pn_find_sock_by_sa(struct net *net, const struct sockaddr_pn *spn)
|
||||||
spin_unlock_bh(&pnsocks.lock);
|
spin_unlock_bh(&pnsocks.lock);
|
||||||
|
|
||||||
return rval;
|
return rval;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Deliver a broadcast packet (only in bottom-half) */
|
||||||
|
void pn_deliver_sock_broadcast(struct net *net, struct sk_buff *skb)
|
||||||
|
{
|
||||||
|
struct hlist_node *node;
|
||||||
|
struct sock *sknode;
|
||||||
|
|
||||||
|
spin_lock(&pnsocks.lock);
|
||||||
|
sk_for_each(sknode, node, &pnsocks.hlist) {
|
||||||
|
struct sk_buff *clone;
|
||||||
|
|
||||||
|
if (!net_eq(sock_net(sknode), net))
|
||||||
|
continue;
|
||||||
|
if (!sock_flag(sknode, SOCK_BROADCAST))
|
||||||
|
continue;
|
||||||
|
|
||||||
|
clone = skb_clone(skb, GFP_ATOMIC);
|
||||||
|
if (clone)
|
||||||
|
sk_receive_skb(sknode, clone, 0);
|
||||||
|
}
|
||||||
|
spin_unlock(&pnsocks.lock);
|
||||||
}
|
}
|
||||||
|
|
||||||
void pn_sock_hash(struct sock *sk)
|
void pn_sock_hash(struct sock *sk)
|
||||||
|
|
Loading…
Reference in New Issue