Bluetooth: Move remote info to struct l2cap_chan
As part of the moving channel stuff to l2cap_chan. Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
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6f61fd4759
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2c03a7a49e
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@ -302,6 +302,9 @@ struct l2cap_chan {
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__u16 partial_sdu_len;
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__u16 partial_sdu_len;
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struct sk_buff *sdu;
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struct sk_buff *sdu;
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__u8 remote_tx_win;
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__u8 remote_max_tx;
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__u16 remote_mps;
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struct list_head list;
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struct list_head list;
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};
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};
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@ -370,11 +373,8 @@ struct l2cap_pinfo {
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__u8 tx_win;
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__u8 tx_win;
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__u8 max_tx;
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__u8 max_tx;
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__u8 remote_tx_win;
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__u8 remote_max_tx;
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__u16 retrans_timeout;
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__u16 retrans_timeout;
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__u16 monitor_timeout;
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__u16 monitor_timeout;
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__u16 remote_mps;
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__u16 mps;
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__u16 mps;
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__le16 sport;
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__le16 sport;
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@ -431,7 +431,7 @@ static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
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if (sub < 0)
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if (sub < 0)
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sub += 64;
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sub += 64;
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return sub == l2cap_pi(ch->sk)->remote_tx_win;
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return sub == ch->remote_tx_win;
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}
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}
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#define __get_txseq(ctrl) (((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
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#define __get_txseq(ctrl) (((ctrl) & L2CAP_CTRL_TXSEQ) >> 1)
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@ -454,7 +454,7 @@ int __l2cap_wait_ack(struct sock *sk);
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struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len);
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struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len);
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struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len);
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struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len);
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struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
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struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
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int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len);
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int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
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void l2cap_do_send(struct sock *sk, struct sk_buff *skb);
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void l2cap_do_send(struct sock *sk, struct sk_buff *skb);
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void l2cap_streaming_send(struct l2cap_chan *chan);
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void l2cap_streaming_send(struct l2cap_chan *chan);
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int l2cap_ertm_send(struct l2cap_chan *chan);
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int l2cap_ertm_send(struct l2cap_chan *chan);
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@ -956,7 +956,7 @@ static void l2cap_monitor_timeout(unsigned long arg)
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BT_DBG("chan %p", chan);
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BT_DBG("chan %p", chan);
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bh_lock_sock(sk);
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bh_lock_sock(sk);
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if (chan->retry_count >= l2cap_pi(sk)->remote_max_tx) {
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if (chan->retry_count >= chan->remote_max_tx) {
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l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED);
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l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED);
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bh_unlock_sock(sk);
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bh_unlock_sock(sk);
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return;
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return;
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@ -1065,8 +1065,8 @@ static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
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} while ((skb = skb_queue_next(TX_QUEUE(sk), skb)));
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} while ((skb = skb_queue_next(TX_QUEUE(sk), skb)));
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if (pi->remote_max_tx &&
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if (chan->remote_max_tx &&
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bt_cb(skb)->retries == pi->remote_max_tx) {
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bt_cb(skb)->retries == chan->remote_max_tx) {
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l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
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l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
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return;
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return;
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}
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}
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@ -1106,8 +1106,8 @@ int l2cap_ertm_send(struct l2cap_chan *chan)
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while ((skb = sk->sk_send_head) && (!l2cap_tx_window_full(chan))) {
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while ((skb = sk->sk_send_head) && (!l2cap_tx_window_full(chan))) {
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if (pi->remote_max_tx &&
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if (chan->remote_max_tx &&
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bt_cb(skb)->retries == pi->remote_max_tx) {
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bt_cb(skb)->retries == chan->remote_max_tx) {
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l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
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l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
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break;
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break;
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}
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}
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@ -1337,9 +1337,9 @@ struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, siz
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return skb;
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return skb;
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}
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}
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int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len)
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int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
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{
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{
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struct l2cap_pinfo *pi = l2cap_pi(sk);
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struct sock *sk = chan->sk;
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struct sk_buff *skb;
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struct sk_buff *skb;
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struct sk_buff_head sar_queue;
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struct sk_buff_head sar_queue;
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u16 control;
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u16 control;
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@ -1347,20 +1347,20 @@ int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len)
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skb_queue_head_init(&sar_queue);
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skb_queue_head_init(&sar_queue);
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control = L2CAP_SDU_START;
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control = L2CAP_SDU_START;
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skb = l2cap_create_iframe_pdu(sk, msg, pi->remote_mps, control, len);
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skb = l2cap_create_iframe_pdu(sk, msg, chan->remote_mps, control, len);
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if (IS_ERR(skb))
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if (IS_ERR(skb))
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return PTR_ERR(skb);
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return PTR_ERR(skb);
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__skb_queue_tail(&sar_queue, skb);
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__skb_queue_tail(&sar_queue, skb);
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len -= pi->remote_mps;
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len -= chan->remote_mps;
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size += pi->remote_mps;
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size += chan->remote_mps;
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while (len > 0) {
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while (len > 0) {
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size_t buflen;
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size_t buflen;
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if (len > pi->remote_mps) {
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if (len > chan->remote_mps) {
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control = L2CAP_SDU_CONTINUE;
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control = L2CAP_SDU_CONTINUE;
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buflen = pi->remote_mps;
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buflen = chan->remote_mps;
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} else {
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} else {
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control = L2CAP_SDU_END;
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control = L2CAP_SDU_END;
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buflen = len;
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buflen = len;
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@ -1810,13 +1810,13 @@ done:
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break;
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break;
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case L2CAP_MODE_ERTM:
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case L2CAP_MODE_ERTM:
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pi->remote_tx_win = rfc.txwin_size;
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chan->remote_tx_win = rfc.txwin_size;
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pi->remote_max_tx = rfc.max_transmit;
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chan->remote_max_tx = rfc.max_transmit;
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if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
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if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
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rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
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rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
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pi->remote_mps = le16_to_cpu(rfc.max_pdu_size);
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chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
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rfc.retrans_timeout =
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rfc.retrans_timeout =
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le16_to_cpu(L2CAP_DEFAULT_RETRANS_TO);
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le16_to_cpu(L2CAP_DEFAULT_RETRANS_TO);
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@ -1834,7 +1834,7 @@ done:
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if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
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if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
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rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
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rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
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pi->remote_mps = le16_to_cpu(rfc.max_pdu_size);
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chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
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pi->conf_state |= L2CAP_CONF_MODE_DONE;
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pi->conf_state |= L2CAP_CONF_MODE_DONE;
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@ -757,7 +757,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
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case L2CAP_MODE_ERTM:
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case L2CAP_MODE_ERTM:
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case L2CAP_MODE_STREAMING:
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case L2CAP_MODE_STREAMING:
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/* Entire SDU fits into one PDU */
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/* Entire SDU fits into one PDU */
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if (len <= pi->remote_mps) {
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if (len <= pi->chan->remote_mps) {
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control = L2CAP_SDU_UNSEGMENTED;
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control = L2CAP_SDU_UNSEGMENTED;
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skb = l2cap_create_iframe_pdu(sk, msg, len, control, 0);
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skb = l2cap_create_iframe_pdu(sk, msg, len, control, 0);
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if (IS_ERR(skb)) {
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if (IS_ERR(skb)) {
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@ -771,7 +771,7 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
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} else {
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} else {
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/* Segment SDU into multiples PDUs */
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/* Segment SDU into multiples PDUs */
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err = l2cap_sar_segment_sdu(sk, msg, len);
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err = l2cap_sar_segment_sdu(pi->chan, msg, len);
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if (err < 0)
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if (err < 0)
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goto done;
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goto done;
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}
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}
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