From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: "Gustavo F. Padovan" From: "Gustavo F. Padovan" To: linux-bluetooth@vger.kernel.org Cc: marcel@holtmann.org, gustavo@padovan.org, jprvita@profusion.mobi Subject: [PATCH 07/10] Bluetooth: Add sockopt configuration for txWindow on L2CAP Date: Tue, 30 Mar 2010 15:52:37 -0300 Message-Id: <1269975160-9994-7-git-send-email-padovan@profusion.mobi> In-Reply-To: <1269975160-9994-6-git-send-email-padovan@profusion.mobi> References: <1269373726-13209-20-git-send-email-padovan@profusion.mobi> <1269975160-9994-1-git-send-email-padovan@profusion.mobi> <1269975160-9994-2-git-send-email-padovan@profusion.mobi> <1269975160-9994-3-git-send-email-padovan@profusion.mobi> <1269975160-9994-4-git-send-email-padovan@profusion.mobi> <1269975160-9994-5-git-send-email-padovan@profusion.mobi> <1269975160-9994-6-git-send-email-padovan@profusion.mobi> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 List-ID: Now can set/get Transmission Window size via sockopt. Signed-off-by: Gustavo F. Padovan Reviewed-by: João Paulo Rechi Vita --- include/net/bluetooth/l2cap.h | 2 ++ net/bluetooth/l2cap.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletions(-) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 0f4e423..fdbe8ee 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -56,6 +56,7 @@ struct l2cap_options { __u16 flush_to; __u8 mode; __u8 fcs; + __u16 txwin_size; }; #define L2CAP_CONNINFO 0x02 @@ -339,6 +340,7 @@ struct l2cap_pinfo { __u8 ident; + __u8 tx_win; __u8 remote_tx_win; __u8 remote_max_tx; __u16 retrans_timeout; diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 4580fcf..79c9ac7 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -782,6 +782,7 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent) pi->omtu = l2cap_pi(parent)->omtu; pi->mode = l2cap_pi(parent)->mode; pi->fcs = l2cap_pi(parent)->fcs; + pi->tx_win = l2cap_pi(parent)->tx_win; pi->sec_level = l2cap_pi(parent)->sec_level; pi->role_switch = l2cap_pi(parent)->role_switch; pi->force_reliable = l2cap_pi(parent)->force_reliable; @@ -790,6 +791,7 @@ static void l2cap_sock_init(struct sock *sk, struct sock *parent) pi->omtu = 0; pi->mode = L2CAP_MODE_BASIC; pi->fcs = L2CAP_FCS_CRC16; + pi->tx_win = L2CAP_DEFAULT_TX_WINDOW; pi->sec_level = BT_SECURITY_LOW; pi->role_switch = 0; pi->force_reliable = 0; @@ -1778,6 +1780,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us opts.flush_to = l2cap_pi(sk)->flush_to; opts.mode = l2cap_pi(sk)->mode; opts.fcs = l2cap_pi(sk)->fcs; + opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win; len = min_t(unsigned int, sizeof(opts), optlen); if (copy_from_user((char *) &opts, optval, len)) { @@ -1789,6 +1792,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us l2cap_pi(sk)->omtu = opts.omtu; l2cap_pi(sk)->mode = opts.mode; l2cap_pi(sk)->fcs = opts.fcs; + l2cap_pi(sk)->tx_win = (__u8)opts.txwin_size; break; case L2CAP_LM: @@ -1903,6 +1907,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us opts.flush_to = l2cap_pi(sk)->flush_to; opts.mode = l2cap_pi(sk)->mode; opts.fcs = l2cap_pi(sk)->fcs; + opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win; len = min_t(unsigned int, len, sizeof(opts)); if (copy_to_user(optval, (char *) &opts, len)) @@ -2320,7 +2325,7 @@ done: case L2CAP_MODE_ERTM: rfc.mode = L2CAP_MODE_ERTM; - rfc.txwin_size = L2CAP_DEFAULT_TX_WINDOW; + rfc.txwin_size = pi->tx_win; rfc.max_transmit = max_transmit; rfc.retrans_timeout = 0; rfc.monitor_timeout = 0; -- 1.6.4.4