From: Stephen Röttger <[email protected]> This patch lets dgram_recvmsg fill in the sockaddr struct in msg->msg_name with the source address of the packet. This is used by the userland functions recvmsg and recvfrom to get the senders address.
[Stefan: Changed from old zigbee legacy tree to mainline] Signed-off-by: Stephen Röttger <[email protected]> Signed-off-by: Stefan Schmidt <[email protected]> --- net/ieee802154/dgram.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index e0da175..581a595 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -291,6 +291,9 @@ static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk, size_t copied = 0; int err = -EOPNOTSUPP; struct sk_buff *skb; + struct sockaddr_ieee802154 *saddr; + + saddr = (struct sockaddr_ieee802154 *)msg->msg_name; skb = skb_recv_datagram(sk, flags, noblock, &err); if (!skb) @@ -309,6 +312,13 @@ static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk, sock_recv_ts_and_drops(msg, sk, skb); + if (saddr) { + saddr->family = AF_IEEE802154; + saddr->addr = mac_cb(skb)->sa; + } + if (addr_len) + *addr_len = sizeof(*saddr); + if (flags & MSG_TRUNC) copied = skb->len; done: -- 1.7.10.4 ------------------------------------------------------------------------------ Own the Future-Intel® Level Up Game Demo Contest 2013 Rise to greatness in Intel's independent game demo contest. Compete for recognition, cash, and the chance to get your game on Steam. $5K grand prize plus 10 genre and skill prizes. Submit your demo by 6/6/13. http://p.sf.net/sfu/intel_levelupd2d _______________________________________________ Linux-zigbee-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel
