Dear Wolf-Bastian,
if you have several patches for the same topic - please send them once
in one patch-set, do not annoy other developers by updating their
mailbox once per 15 minutes.
Alex
2013/3/13 Wolf-Bastian Pöttner <poett...@ibr.cs.tu-bs.de>:
> This patch lets dgram_sendmsg determine the destination address
> based on if the socket has been connect()ed before. If so, the
> address passed to connect() is used. Otherwise, the address
> passed to sendto() is used as destination.
>
> Signed-off-by: Wolf-Bastian Pöttner <poett...@ibr.cs.tu-bs.de>
> ---
> net/ieee802154/dgram.c | 11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
>
> diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
> index 94df6b1..955c30b 100644
> --- a/net/ieee802154/dgram.c
> +++ b/net/ieee802154/dgram.c
> @@ -46,6 +46,7 @@ struct dgram_sock {
>
> unsigned int bound:1;
> unsigned int want_ack:1;
> + unsigned int connected:1;
> };
>
> static inline struct dgram_sock *dgram_sk(const struct sock *sk)
> @@ -76,6 +77,7 @@ static int dgram_init(struct sock *sk)
> ro->dst_addr.addr_type = IEEE802154_ADDR_LONG;
> ro->dst_addr.pan_id = 0xffff;
> ro->want_ack = 1;
> + ro->connected = 0;
> memset(&ro->dst_addr.hwaddr, 0xff, sizeof(ro->dst_addr.hwaddr));
> return 0;
> }
> @@ -181,6 +183,8 @@ static int dgram_connect(struct sock *sk, struct sockaddr
> *uaddr,
> goto out;
> }
>
> + ro->connected = 1;
> +
> memcpy(&ro->dst_addr, &addr->addr, sizeof(struct ieee802154_addr));
>
> out:
> @@ -197,6 +201,8 @@ static int dgram_disconnect(struct sock *sk, int flags)
> ro->dst_addr.addr_type = IEEE802154_ADDR_LONG;
> memset(&ro->dst_addr.hwaddr, 0xff, sizeof(ro->dst_addr.hwaddr));
>
> + ro->connected = 0;
> +
> release_sock(sk);
>
> return 0;
> @@ -211,6 +217,9 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock
> *sk,
> struct dgram_sock *ro = dgram_sk(sk);
> int hlen, tlen;
> int err;
> + struct sockaddr_ieee802154 *saddr;
> +
> + saddr = (struct sockaddr_ieee802154 *)msg->msg_name;
>
> if (msg->msg_flags & MSG_OOB) {
> pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
> @@ -253,7 +262,7 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock
> *sk,
> mac_cb(skb)->flags |= MAC_CB_FLAG_ACKREQ;
>
> mac_cb(skb)->seq = ieee802154_mlme_ops(dev)->get_dsn(dev);
> - err = dev_hard_header(skb, dev, ETH_P_IEEE802154, &ro->dst_addr,
> + err = dev_hard_header(skb, dev, ETH_P_IEEE802154, ro->connected ?
> &ro->dst_addr : &saddr->addr,
> ro->bound ? &ro->src_addr : NULL, size);
> if (err < 0)
> goto out_skb;
> --
> 1.7.5.4
>
>
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