Commit 6364e6ee authored by Stephen Röttger's avatar Stephen Röttger Committed by David S. Miller
Browse files

ieee802154/dgram: Pass source address in dgram_recvmsg



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: default avatarStephen Röttger <stephen.roettger@zero-entropy.de>
Signed-off-by: default avatarStefan Schmidt <stefan@datenfreihafen.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 5abb0029
......@@ -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:
......
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment