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authorJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-04-25 14:34:25 -0400
commitcfef6047c4027a8448ec8dafeaf2bb362cc882e4 (patch)
treec254bd25aa8b4b0696b5b5cc45d8e30c7c1bb9dd /net
parentinet: constify ip headers and in6_addr (diff)
parentmac80211: explain padding in place of rate field (diff)
downloadlinux-dev-cfef6047c4027a8448ec8dafeaf2bb362cc882e4.tar.xz
linux-dev-cfef6047c4027a8448ec8dafeaf2bb362cc882e4.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
Conflicts: drivers/net/wireless/iwlwifi/iwl-core.c drivers/net/wireless/rt2x00/rt2x00queue.c drivers/net/wireless/rt2x00/rt2x00queue.h
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_event.c4
-rw-r--r--net/bluetooth/l2cap_core.c1344
-rw-r--r--net/bluetooth/l2cap_sock.c72
-rw-r--r--net/mac80211/cfg.c29
-rw-r--r--net/mac80211/debugfs_sta.c26
-rw-r--r--net/mac80211/driver-ops.h13
-rw-r--r--net/mac80211/driver-trace.h20
-rw-r--r--net/mac80211/ieee80211_i.h5
-rw-r--r--net/mac80211/main.c9
-rw-r--r--net/mac80211/mesh.c14
-rw-r--r--net/mac80211/mesh.h3
-rw-r--r--net/mac80211/mesh_pathtbl.c49
-rw-r--r--net/mac80211/mesh_plink.c35
-rw-r--r--net/mac80211/mlme.c17
-rw-r--r--net/mac80211/rx.c26
-rw-r--r--net/mac80211/sta_info.c16
-rw-r--r--net/mac80211/sta_info.h5
-rw-r--r--net/mac80211/tx.c2
-rw-r--r--net/rfkill/Kconfig11
-rw-r--r--net/rfkill/Makefile1
-rw-r--r--net/rfkill/rfkill-regulator.c164
-rw-r--r--net/wireless/mesh.c23
-rw-r--r--net/wireless/nl80211.c67
-rw-r--r--net/wireless/nl80211.h4
24 files changed, 1219 insertions, 740 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 7a3398d9cd65..c7eb073fe633 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2497,6 +2497,9 @@ static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
hci_dev_lock(hdev);
+ if (!test_bit(HCI_MGMT, &hdev->flags))
+ goto unlock;
+
data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
if (data) {
struct hci_cp_remote_oob_data_reply cp;
@@ -2515,6 +2518,7 @@ static inline void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
&cp);
}
+unlock:
hci_dev_unlock(hdev);
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index c3cebed205cc..d47de2b04b2e 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -70,108 +70,101 @@ static void l2cap_busy_work(struct work_struct *work);
static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
u8 code, u8 ident, u16 dlen, void *data);
+static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data);
static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb);
/* ---- L2CAP channels ---- */
-static struct sock *__l2cap_get_chan_by_dcid(struct l2cap_chan_list *l, u16 cid)
+static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid)
{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
+ struct l2cap_chan *c;
+
+ list_for_each_entry(c, &conn->chan_l, list) {
+ struct sock *s = c->sk;
if (l2cap_pi(s)->dcid == cid)
- break;
+ return c;
}
- return s;
+ return NULL;
+
}
-static struct sock *__l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
+static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid)
{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
+ struct l2cap_chan *c;
+
+ list_for_each_entry(c, &conn->chan_l, list) {
+ struct sock *s = c->sk;
if (l2cap_pi(s)->scid == cid)
- break;
+ return c;
}
- return s;
+ return NULL;
}
/* Find channel with given SCID.
* Returns locked socket */
-static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
+static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid)
{
- struct sock *s;
- read_lock(&l->lock);
- s = __l2cap_get_chan_by_scid(l, cid);
- if (s)
- bh_lock_sock(s);
- read_unlock(&l->lock);
- return s;
+ struct l2cap_chan *c;
+
+ read_lock(&conn->chan_lock);
+ c = __l2cap_get_chan_by_scid(conn, cid);
+ if (c)
+ bh_lock_sock(c->sk);
+ read_unlock(&conn->chan_lock);
+ return c;
}
-static struct sock *__l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
+static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident)
{
- struct sock *s;
- for (s = l->head; s; s = l2cap_pi(s)->next_c) {
- if (l2cap_pi(s)->ident == ident)
- break;
+ struct l2cap_chan *c;
+
+ list_for_each_entry(c, &conn->chan_l, list) {
+ if (c->ident == ident)
+ return c;
}
- return s;
+ return NULL;
}
-static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8 ident)
+static inline struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident)
{
- struct sock *s;
- read_lock(&l->lock);
- s = __l2cap_get_chan_by_ident(l, ident);
- if (s)
- bh_lock_sock(s);
- read_unlock(&l->lock);
- return s;
+ struct l2cap_chan *c;
+
+ read_lock(&conn->chan_lock);
+ c = __l2cap_get_chan_by_ident(conn, ident);
+ if (c)
+ bh_lock_sock(c->sk);
+ read_unlock(&conn->chan_lock);
+ return c;
}
-static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
+static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
{
u16 cid = L2CAP_CID_DYN_START;
for (; cid < L2CAP_CID_DYN_END; cid++) {
- if (!__l2cap_get_chan_by_scid(l, cid))
+ if (!__l2cap_get_chan_by_scid(conn, cid))
return cid;
}
return 0;
}
-static inline void __l2cap_chan_link(struct l2cap_chan_list *l, struct sock *sk)
+static struct l2cap_chan *l2cap_chan_alloc(struct sock *sk)
{
- sock_hold(sk);
-
- if (l->head)
- l2cap_pi(l->head)->prev_c = sk;
+ struct l2cap_chan *chan;
- l2cap_pi(sk)->next_c = l->head;
- l2cap_pi(sk)->prev_c = NULL;
- l->head = sk;
-}
-
-static inline void l2cap_chan_unlink(struct l2cap_chan_list *l, struct sock *sk)
-{
- struct sock *next = l2cap_pi(sk)->next_c, *prev = l2cap_pi(sk)->prev_c;
-
- write_lock_bh(&l->lock);
- if (sk == l->head)
- l->head = next;
+ chan = kzalloc(sizeof(*chan), GFP_ATOMIC);
+ if (!chan)
+ return NULL;
- if (next)
- l2cap_pi(next)->prev_c = prev;
- if (prev)
- l2cap_pi(prev)->next_c = next;
- write_unlock_bh(&l->lock);
+ chan->sk = sk;
- __sock_put(sk);
+ return chan;
}
-static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
+static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
{
- struct l2cap_chan_list *l = &conn->chan_list;
+ struct sock *sk = chan->sk;
BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
@@ -188,7 +181,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
l2cap_pi(sk)->dcid = L2CAP_CID_LE_DATA;
} else {
/* Alloc CID for connection-oriented socket */
- l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
+ l2cap_pi(sk)->scid = l2cap_alloc_cid(conn);
l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
}
} else if (sk->sk_type == SOCK_DGRAM) {
@@ -203,23 +196,30 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
}
- __l2cap_chan_link(l, sk);
+ sock_hold(sk);
+
+ list_add(&chan->list, &conn->chan_l);
}
/* Delete channel.
* Must be called on the locked socket. */
-void l2cap_chan_del(struct sock *sk, int err)
+void l2cap_chan_del(struct l2cap_chan *chan, int err)
{
+ struct sock *sk = chan->sk;
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
struct sock *parent = bt_sk(sk)->parent;
l2cap_sock_clear_timer(sk);
- BT_DBG("sk %p, conn %p, err %d", sk, conn, err);
+ BT_DBG("chan %p, conn %p, err %d", chan, conn, err);
if (conn) {
- /* Unlink from channel list */
- l2cap_chan_unlink(&conn->chan_list, sk);
+ /* Delete from channel list */
+ write_lock_bh(&conn->chan_lock);
+ list_del(&chan->list);
+ write_unlock_bh(&conn->chan_lock);
+ __sock_put(sk);
+
l2cap_pi(sk)->conn = NULL;
hci_conn_put(conn->hcon);
}
@@ -236,23 +236,30 @@ void l2cap_chan_del(struct sock *sk, int err)
} else
sk->sk_state_change(sk);
- skb_queue_purge(TX_QUEUE(sk));
+ if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_OUTPUT_DONE &&
+ l2cap_pi(sk)->conf_state & L2CAP_CONF_INPUT_DONE))
+ goto free;
+
+ skb_queue_purge(&chan->tx_q);
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
struct srej_list *l, *tmp;
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
- del_timer(&l2cap_pi(sk)->ack_timer);
+ del_timer(&chan->retrans_timer);
+ del_timer(&chan->monitor_timer);
+ del_timer(&chan->ack_timer);
- skb_queue_purge(SREJ_QUEUE(sk));
- skb_queue_purge(BUSY_QUEUE(sk));
+ skb_queue_purge(&chan->srej_q);
+ skb_queue_purge(&chan->busy_q);
- list_for_each_entry_safe(l, tmp, SREJ_LIST(sk), list) {
+ list_for_each_entry_safe(l, tmp, &chan->srej_l, list) {
list_del(&l->list);
kfree(l);
}
}
+
+free:
+ kfree(chan);
}
static inline u8 l2cap_get_auth_type(struct sock *sk)
@@ -338,10 +345,11 @@ void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *d
hci_send_acl(conn->hcon, skb, flags);
}
-static inline void l2cap_send_sframe(struct l2cap_pinfo *pi, u16 control)
+static inline void l2cap_send_sframe(struct l2cap_chan *chan, u16 control)
{
struct sk_buff *skb;
struct l2cap_hdr *lh;
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct l2cap_conn *conn = pi->conn;
struct sock *sk = (struct sock *)pi;
int count, hlen = L2CAP_HDR_SIZE + 2;
@@ -353,19 +361,19 @@ static inline void l2cap_send_sframe(struct l2cap_pinfo *pi, u16 control)
if (pi->fcs == L2CAP_FCS_CRC16)
hlen += 2;
- BT_DBG("pi %p, control 0x%2.2x", pi, control);
+ BT_DBG("chan %p, control 0x%2.2x", chan, control);
count = min_t(unsigned int, conn->mtu, hlen);
control |= L2CAP_CTRL_FRAME_TYPE;
- if (pi->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
control |= L2CAP_CTRL_FINAL;
- pi->conn_state &= ~L2CAP_CONN_SEND_FBIT;
+ chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
}
- if (pi->conn_state & L2CAP_CONN_SEND_PBIT) {
+ if (chan->conn_state & L2CAP_CONN_SEND_PBIT) {
control |= L2CAP_CTRL_POLL;
- pi->conn_state &= ~L2CAP_CONN_SEND_PBIT;
+ chan->conn_state &= ~L2CAP_CONN_SEND_PBIT;
}
skb = bt_skb_alloc(count, GFP_ATOMIC);
@@ -390,17 +398,17 @@ static inline void l2cap_send_sframe(struct l2cap_pinfo *pi, u16 control)
hci_send_acl(pi->conn->hcon, skb, flags);
}
-static inline void l2cap_send_rr_or_rnr(struct l2cap_pinfo *pi, u16 control)
+static inline void l2cap_send_rr_or_rnr(struct l2cap_chan *chan, u16 control)
{
- if (pi->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
control |= L2CAP_SUPER_RCV_NOT_READY;
- pi->conn_state |= L2CAP_CONN_RNR_SENT;
+ chan->conn_state |= L2CAP_CONN_RNR_SENT;
} else
control |= L2CAP_SUPER_RCV_READY;
- control |= pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- l2cap_send_sframe(pi, control);
+ l2cap_send_sframe(chan, control);
}
static inline int __l2cap_no_conn_pending(struct sock *sk)
@@ -408,8 +416,9 @@ static inline int __l2cap_no_conn_pending(struct sock *sk)
return !(l2cap_pi(sk)->conf_state & L2CAP_CONF_CONNECT_PEND);
}
-static void l2cap_do_start(struct sock *sk)
+static void l2cap_do_start(struct l2cap_chan *chan)
{
+ struct sock *sk = chan->sk;
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) {
@@ -421,11 +430,11 @@ static void l2cap_do_start(struct sock *sk)
req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
- l2cap_pi(sk)->ident = l2cap_get_ident(conn);
+ chan->ident = l2cap_get_ident(conn);
l2cap_pi(sk)->conf_state |= L2CAP_CONF_CONNECT_PEND;
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_REQ, sizeof(req), &req);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
+ sizeof(req), &req);
}
} else {
struct l2cap_info_req req;
@@ -458,19 +467,20 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
}
}
-void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err)
+void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err)
{
+ struct sock *sk;
struct l2cap_disconn_req req;
if (!conn)
return;
- skb_queue_purge(TX_QUEUE(sk));
+ sk = chan->sk;
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM) {
- del_timer(&l2cap_pi(sk)->retrans_timer);
- del_timer(&l2cap_pi(sk)->monitor_timer);
- del_timer(&l2cap_pi(sk)->ack_timer);
+ del_timer(&chan->retrans_timer);
+ del_timer(&chan->monitor_timer);
+ del_timer(&chan->ack_timer);
}
req.dcid = cpu_to_le16(l2cap_pi(sk)->dcid);
@@ -485,17 +495,15 @@ void l2cap_send_disconn_req(struct l2cap_conn *conn, struct sock *sk, int err)
/* ---- L2CAP connections ---- */
static void l2cap_conn_start(struct l2cap_conn *conn)
{
- struct l2cap_chan_list *l = &conn->chan_list;
- struct sock_del_list del, *tmp1, *tmp2;
- struct sock *sk;
+ struct l2cap_chan *chan, *tmp;
BT_DBG("conn %p", conn);
- INIT_LIST_HEAD(&del.list);
+ read_lock(&conn->chan_lock);
- read_lock(&l->lock);
+ list_for_each_entry_safe(chan, tmp, &conn->chan_l, list) {
+ struct sock *sk = chan->sk;
- for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
bh_lock_sock(sk);
if (sk->sk_type != SOCK_SEQPACKET &&
@@ -517,10 +525,11 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
conn->feat_mask)
&& l2cap_pi(sk)->conf_state &
L2CAP_CONF_STATE2_DEVICE) {
- tmp1 = kzalloc(sizeof(struct sock_del_list),
- GFP_ATOMIC);
- tmp1->sk = sk;
- list_add_tail(&tmp1->list, &del.list);
+ /* __l2cap_sock_close() calls list_del(chan)
+ * so release the lock */
+ read_unlock_bh(&conn->chan_lock);
+ __l2cap_sock_close(sk, ECONNRESET);
+ read_lock_bh(&conn->chan_lock);
bh_unlock_sock(sk);
continue;
}
@@ -528,11 +537,11 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
- l2cap_pi(sk)->ident = l2cap_get_ident(conn);
+ chan->ident = l2cap_get_ident(conn);
l2cap_pi(sk)->conf_state |= L2CAP_CONF_CONNECT_PEND;
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_REQ, sizeof(req), &req);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ,
+ sizeof(req), &req);
} else if (sk->sk_state == BT_CONNECT2) {
struct l2cap_conn_rsp rsp;
@@ -557,8 +566,8 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
rsp.status = cpu_to_le16(L2CAP_CS_AUTHEN_PEND);
}
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
+ sizeof(rsp), &rsp);
if (l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT ||
rsp.result != L2CAP_CR_SUCCESS) {
@@ -568,22 +577,14 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(sk, buf), buf);
- l2cap_pi(sk)->num_conf_req++;
+ l2cap_build_conf_req(chan, buf), buf);
+ chan->num_conf_req++;
}
bh_unlock_sock(sk);
}
- read_unlock(&l->lock);
-
- list_for_each_entry_safe(tmp1, tmp2, &del.list, list) {
- bh_lock_sock(tmp1->sk);
- __l2cap_sock_close(tmp1->sk, ECONNRESET);
- bh_unlock_sock(tmp1->sk);
- list_del(&tmp1->list);
- kfree(tmp1);
- }
+ read_unlock(&conn->chan_lock);
}
/* Find socket with cid and source bdaddr.
@@ -591,7 +592,7 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
*/
static struct sock *l2cap_get_sock_by_scid(int state, __le16 cid, bdaddr_t *src)
{
- struct sock *s, *sk = NULL, *sk1 = NULL;
+ struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
read_lock(&l2cap_sk_list.lock);
@@ -610,18 +611,16 @@ static struct sock *l2cap_get_sock_by_scid(int state, __le16 cid, bdaddr_t *src)
sk1 = sk;
}
}
- s = node ? sk : sk1;
- if (s)
- bh_lock_sock(s);
+
read_unlock(&l2cap_sk_list.lock);
- return s;
+ return node ? sk : sk1;
}
static void l2cap_le_conn_ready(struct l2cap_conn *conn)
{
- struct l2cap_chan_list *list = &conn->chan_list;
- struct sock *parent, *uninitialized_var(sk);
+ struct sock *parent, *sk;
+ struct l2cap_chan *chan;
BT_DBG("");
@@ -631,6 +630,8 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
if (!parent)
return;
+ bh_lock_sock(parent);
+
/* Check for backlog size */
if (sk_acceptq_is_full(parent)) {
BT_DBG("backlog full %d", parent->sk_ack_backlog);
@@ -641,24 +642,33 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
if (!sk)
goto clean;
- write_lock_bh(&list->lock);
+ chan = l2cap_chan_alloc(sk);
+ if (!chan) {
+ l2cap_sock_kill(sk);
+ goto clean;
+ }
+
+ write_lock_bh(&conn->chan_lock);
hci_conn_hold(conn->hcon);
l2cap_sock_init(sk, parent);
+
bacpy(&bt_sk(sk)->src, conn->src);
bacpy(&bt_sk(sk)->dst, conn->dst);
bt_accept_enqueue(parent, sk);
- __l2cap_chan_add(conn, sk);
+ __l2cap_chan_add(conn, chan);
+
+ l2cap_pi(sk)->chan = chan;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
sk->sk_state = BT_CONNECTED;
parent->sk_data_ready(parent, 0);
- write_unlock_bh(&list->lock);
+ write_unlock_bh(&conn->chan_lock);
clean:
bh_unlock_sock(parent);
@@ -666,17 +676,18 @@ clean:
static void l2cap_conn_ready(struct l2cap_conn *conn)
{
- struct l2cap_chan_list *l = &conn->chan_list;
- struct sock *sk;
+ struct l2cap_chan *chan;
BT_DBG("conn %p", conn);
if (!conn->hcon->out && conn->hcon->type == LE_LINK)
l2cap_le_conn_ready(conn);
- read_lock(&l->lock);
+ read_lock(&conn->chan_lock);
+
+ list_for_each_entry(chan, &conn->chan_l, list) {
+ struct sock *sk = chan->sk;
- for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
bh_lock_sock(sk);
if (conn->hcon->type == LE_LINK) {
@@ -691,30 +702,31 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
sk->sk_state = BT_CONNECTED;
sk->sk_state_change(sk);
} else if (sk->sk_state == BT_CONNECT)
- l2cap_do_start(sk);
+ l2cap_do_start(chan);
bh_unlock_sock(sk);
}
- read_unlock(&l->lock);
+ read_unlock(&conn->chan_lock);
}
/* Notify sockets that we cannot guaranty reliability anymore */
static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err)
{
- struct l2cap_chan_list *l = &conn->chan_list;
- struct sock *sk;
+ struct l2cap_chan *chan;
BT_DBG("conn %p", conn);
- read_lock(&l->lock);
+ read_lock(&conn->chan_lock);
+
+ list_for_each_entry(chan, &conn->chan_l, list) {
+ struct sock *sk = chan->sk;
- for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
if (l2cap_pi(sk)->force_reliable)
sk->sk_err = err;
}
- read_unlock(&l->lock);
+ read_unlock(&conn->chan_lock);
}
static void l2cap_info_timeout(unsigned long arg)
@@ -754,7 +766,9 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
conn->feat_mask = 0;
spin_lock_init(&conn->lock);
- rwlock_init(&conn->chan_list.lock);
+ rwlock_init(&conn->chan_lock);
+
+ INIT_LIST_HEAD(&conn->chan_l);
if (hcon->type != LE_LINK)
setup_timer(&conn->info_timer, l2cap_info_timeout,
@@ -768,6 +782,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status)
static void l2cap_conn_del(struct hci_conn *hcon, int err)
{
struct l2cap_conn *conn = hcon->l2cap_data;
+ struct l2cap_chan *chan, *l;
struct sock *sk;
if (!conn)
@@ -778,9 +793,10 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
kfree_skb(conn->rx_skb);
/* Kill channels */
- while ((sk = conn->chan_list.head)) {
+ list_for_each_entry_safe(chan, l, &conn->chan_l, list) {
+ sk = chan->sk;
bh_lock_sock(sk);
- l2cap_chan_del(sk, err);
+ l2cap_chan_del(chan, err);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
}
@@ -792,12 +808,11 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
kfree(conn);
}
-static inline void l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk)
+static inline void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
{
- struct l2cap_chan_list *l = &conn->chan_list;
- write_lock_bh(&l->lock);
- __l2cap_chan_add(conn, sk);
- write_unlock_bh(&l->lock);
+ write_lock_bh(&conn->chan_lock);
+ __l2cap_chan_add(conn, chan);
+ write_unlock_bh(&conn->chan_lock);
}
/* ---- Socket interface ---- */
@@ -837,6 +852,7 @@ int l2cap_do_connect(struct sock *sk)
bdaddr_t *src = &bt_sk(sk)->src;
bdaddr_t *dst = &bt_sk(sk)->dst;
struct l2cap_conn *conn;
+ struct l2cap_chan *chan;
struct hci_conn *hcon;
struct hci_dev *hdev;
__u8 auth_type;
@@ -872,10 +888,19 @@ int l2cap_do_connect(struct sock *sk)
goto done;
}
+ chan = l2cap_chan_alloc(sk);
+ if (!chan) {
+ hci_conn_put(hcon);
+ err = -ENOMEM;
+ goto done;
+ }
+
/* Update source addr of the socket */
bacpy(src, conn->src);
- l2cap_chan_add(conn, sk);
+ l2cap_chan_add(conn, chan);
+
+ l2cap_pi(sk)->chan = chan;
sk->sk_state = BT_CONNECT;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
@@ -887,7 +912,7 @@ int l2cap_do_connect(struct sock *sk)
if (l2cap_check_security(sk))
sk->sk_state = BT_CONNECTED;
} else
- l2cap_do_start(sk);
+ l2cap_do_start(chan);
}
err = 0;
@@ -905,7 +930,7 @@ int __l2cap_wait_ack(struct sock *sk)
int timeo = HZ/5;
add_wait_queue(sk_sleep(sk), &wait);
- while ((l2cap_pi(sk)->unacked_frames > 0 && l2cap_pi(sk)->conn)) {
+ while ((l2cap_pi(sk)->chan->unacked_frames > 0 && l2cap_pi(sk)->conn)) {
set_current_state(TASK_INTERRUPTIBLE);
if (!timeo)
@@ -931,57 +956,59 @@ int __l2cap_wait_ack(struct sock *sk)
static void l2cap_monitor_timeout(unsigned long arg)
{
- struct sock *sk = (void *) arg;
+ struct l2cap_chan *chan = (void *) arg;
+ struct sock *sk = chan->sk;
- BT_DBG("sk %p", sk);
+ BT_DBG("chan %p", chan);
bh_lock_sock(sk);
- if (l2cap_pi(sk)->retry_count >= l2cap_pi(sk)->remote_max_tx) {
- l2cap_send_disconn_req(l2cap_pi(sk)->conn, sk, ECONNABORTED);
+ if (chan->retry_count >= chan->remote_max_tx) {
+ l2cap_send_disconn_req(l2cap_pi(sk)->conn, chan, ECONNABORTED);
bh_unlock_sock(sk);
return;
}
- l2cap_pi(sk)->retry_count++;
+ chan->retry_count++;
__mod_monitor_timer();
- l2cap_send_rr_or_rnr(l2cap_pi(sk), L2CAP_CTRL_POLL);
+ l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL);
bh_unlock_sock(sk);
}
static void l2cap_retrans_timeout(unsigned long arg)
{
- struct sock *sk = (void *) arg;
+ struct l2cap_chan *chan = (void *) arg;
+ struct sock *sk = chan->sk;
- BT_DBG("sk %p", sk);
+ BT_DBG("chan %p", chan);
bh_lock_sock(sk);
- l2cap_pi(sk)->retry_count = 1;
+ chan->retry_count = 1;
__mod_monitor_timer();
- l2cap_pi(sk)->conn_state |= L2CAP_CONN_WAIT_F;
+ chan->conn_state |= L2CAP_CONN_WAIT_F;
- l2cap_send_rr_or_rnr(l2cap_pi(sk), L2CAP_CTRL_POLL);
+ l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_POLL);
bh_unlock_sock(sk);
}
-static void l2cap_drop_acked_frames(struct sock *sk)
+static void l2cap_drop_acked_frames(struct l2cap_chan *chan)
{
struct sk_buff *skb;
- while ((skb = skb_peek(TX_QUEUE(sk))) &&
- l2cap_pi(sk)->unacked_frames) {
- if (bt_cb(skb)->tx_seq == l2cap_pi(sk)->expected_ack_seq)
+ while ((skb = skb_peek(&chan->tx_q)) &&
+ chan->unacked_frames) {
+ if (bt_cb(skb)->tx_seq == chan->expected_ack_seq)
break;
- skb = skb_dequeue(TX_QUEUE(sk));
+ skb = skb_dequeue(&chan->tx_q);
kfree_skb(skb);
- l2cap_pi(sk)->unacked_frames--;
+ chan->unacked_frames--;
}
- if (!l2cap_pi(sk)->unacked_frames)
- del_timer(&l2cap_pi(sk)->retrans_timer);
+ if (!chan->unacked_frames)
+ del_timer(&chan->retrans_timer);
}
void l2cap_do_send(struct sock *sk, struct sk_buff *skb)
@@ -1000,15 +1027,16 @@ void l2cap_do_send(struct sock *sk, struct sk_buff *skb)
hci_send_acl(hcon, skb, flags);
}
-void l2cap_streaming_send(struct sock *sk)
+void l2cap_streaming_send(struct l2cap_chan *chan)
{
+ struct sock *sk = chan->sk;
struct sk_buff *skb;
struct l2cap_pinfo *pi = l2cap_pi(sk);
u16 control, fcs;
- while ((skb = skb_dequeue(TX_QUEUE(sk)))) {
+ while ((skb = skb_dequeue(&chan->tx_q))) {
control = get_unaligned_le16(skb->data + L2CAP_HDR_SIZE);
- control |= pi->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT;
+ control |= chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT;
put_unaligned_le16(control, skb->data + L2CAP_HDR_SIZE);
if (pi->fcs == L2CAP_FCS_CRC16) {
@@ -1018,17 +1046,18 @@ void l2cap_streaming_send(struct sock *sk)
l2cap_do_send(sk, skb);
- pi->next_tx_seq = (pi->next_tx_seq + 1) % 64;
+ chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
}
}
-static void l2cap_retransmit_one_frame(struct sock *sk, u8 tx_seq)
+static void l2cap_retransmit_one_frame(struct l2cap_chan *chan, u8 tx_seq)
{
+ struct sock *sk = chan->sk;
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct sk_buff *skb, *tx_skb;
u16 control, fcs;
- skb = skb_peek(TX_QUEUE(sk));
+ skb = skb_peek(&chan->tx_q);
if (!skb)
return;
@@ -1036,14 +1065,14 @@ static void l2cap_retransmit_one_frame(struct sock *sk, u8 tx_seq)
if (bt_cb(skb)->tx_seq == tx_seq)
break;
- if (skb_queue_is_last(TX_QUEUE(sk), skb))
+ if (skb_queue_is_last(&chan->tx_q, skb))
return;
- } while ((skb = skb_queue_next(TX_QUEUE(sk), skb)));
+ } while ((skb = skb_queue_next(&chan->tx_q, skb)));
- if (pi->remote_max_tx &&
- bt_cb(skb)->retries == pi->remote_max_tx) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
+ if (chan->remote_max_tx &&
+ bt_cb(skb)->retries == chan->remote_max_tx) {
+ l2cap_send_disconn_req(pi->conn, chan, ECONNABORTED);
return;
}
@@ -1051,12 +1080,12 @@ static void l2cap_retransmit_one_frame(struct sock *sk, u8 tx_seq)
bt_cb(skb)->retries++;
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
- if (pi->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
control |= L2CAP_CTRL_FINAL;
- pi->conn_state &= ~L2CAP_CONN_SEND_FBIT;
+ chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
}
- control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+ control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
| (tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
@@ -1069,9 +1098,10 @@ static void l2cap_retransmit_one_frame(struct sock *sk, u8 tx_seq)
l2cap_do_send(sk, tx_skb);
}
-int l2cap_ertm_send(struct sock *sk)
+int l2cap_ertm_send(struct l2cap_chan *chan)
{
struct sk_buff *skb, *tx_skb;
+ struct sock *sk = chan->sk;
struct l2cap_pinfo *pi = l2cap_pi(sk);
u16 control, fcs;
int nsent = 0;
@@ -1079,11 +1109,11 @@ int l2cap_ertm_send(struct sock *sk)
if (sk->sk_state != BT_CONNECTED)
return -ENOTCONN;
- while ((skb = sk->sk_send_head) && (!l2cap_tx_window_full(sk))) {
+ while ((skb = chan->tx_send_head) && (!l2cap_tx_window_full(chan))) {
- if (pi->remote_max_tx &&
- bt_cb(skb)->retries == pi->remote_max_tx) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNABORTED);
+ if (chan->remote_max_tx &&
+ bt_cb(skb)->retries == chan->remote_max_tx) {
+ l2cap_send_disconn_req(pi->conn, chan, ECONNABORTED);
break;
}
@@ -1094,12 +1124,12 @@ int l2cap_ertm_send(struct sock *sk)
control = get_unaligned_le16(tx_skb->data + L2CAP_HDR_SIZE);
control &= L2CAP_CTRL_SAR;
- if (pi->conn_state & L2CAP_CONN_SEND_FBIT) {
+ if (chan->conn_state & L2CAP_CONN_SEND_FBIT) {
control |= L2CAP_CTRL_FINAL;
- pi->conn_state &= ~L2CAP_CONN_SEND_FBIT;
+ chan->conn_state &= ~L2CAP_CONN_SEND_FBIT;
}
- control |= (pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
- | (pi->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
+ control |= (chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT)
+ | (chan->next_tx_seq << L2CAP_CTRL_TXSEQ_SHIFT);
put_unaligned_le16(control, tx_skb->data + L2CAP_HDR_SIZE);
@@ -1112,18 +1142,18 @@ int l2cap_ertm_send(struct sock *sk)
__mod_retrans_timer();
- bt_cb(skb)->tx_seq = pi->next_tx_seq;
- pi->next_tx_seq = (pi->next_tx_seq + 1) % 64;
+ bt_cb(skb)->tx_seq = chan->next_tx_seq;
+ chan->next_tx_seq = (chan->next_tx_seq + 1) % 64;
if (bt_cb(skb)->retries == 1)
- pi->unacked_frames++;
+ chan->unacked_frames++;
- pi->frames_sent++;
+ chan->frames_sent++;
- if (skb_queue_is_last(TX_QUEUE(sk), skb))
- sk->sk_send_head = NULL;
+ if (skb_queue_is_last(&chan->tx_q, skb))
+ chan->tx_send_head = NULL;
else
- sk->sk_send_head = skb_queue_next(TX_QUEUE(sk), skb);
+ chan->tx_send_head = skb_queue_next(&chan->tx_q, skb);
nsent++;
}
@@ -1131,41 +1161,39 @@ int l2cap_ertm_send(struct sock *sk)
return nsent;
}
-static int l2cap_retransmit_frames(struct sock *sk)
+static int l2cap_retransmit_frames(struct l2cap_chan *chan)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
int ret;
- if (!skb_queue_empty(TX_QUEUE(sk)))
- sk->sk_send_head = TX_QUEUE(sk)->next;
+ if (!skb_queue_empty(&chan->tx_q))
+ chan->tx_send_head = chan->tx_q.next;
- pi->next_tx_seq = pi->expected_ack_seq;
- ret = l2cap_ertm_send(sk);
+ chan->next_tx_seq = chan->expected_ack_seq;
+ ret = l2cap_ertm_send(chan);
return ret;
}
-static void l2cap_send_ack(struct l2cap_pinfo *pi)
+static void l2cap_send_ack(struct l2cap_chan *chan)
{
- struct sock *sk = (struct sock *)pi;
u16 control = 0;
- control |= pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- if (pi->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
control |= L2CAP_SUPER_RCV_NOT_READY;
- pi->conn_state |= L2CAP_CONN_RNR_SENT;
- l2cap_send_sframe(pi, control);
+ chan->conn_state |= L2CAP_CONN_RNR_SENT;
+ l2cap_send_sframe(chan, control);
return;
}
- if (l2cap_ertm_send(sk) > 0)
+ if (l2cap_ertm_send(chan) > 0)
return;
control |= L2CAP_SUPER_RCV_READY;
- l2cap_send_sframe(pi, control);
+ l2cap_send_sframe(chan, control);
}
-static void l2cap_send_srejtail(struct sock *sk)
+static void l2cap_send_srejtail(struct l2cap_chan *chan)
{
struct srej_list *tail;
u16 control;
@@ -1173,10 +1201,10 @@ static void l2cap_send_srejtail(struct sock *sk)
control = L2CAP_SUPER_SELECT_REJECT;
control |= L2CAP_CTRL_FINAL;
- tail = list_entry(SREJ_LIST(sk)->prev, struct srej_list, list);
+ tail = list_entry((&chan->srej_l)->prev, struct srej_list, list);
control |= tail->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- l2cap_send_sframe(l2cap_pi(sk), control);
+ l2cap_send_sframe(chan, control);
}
static inline int l2cap_skbuff_fromiovec(struct sock *sk, struct msghdr *msg, int len, int count, struct sk_buff *skb)
@@ -1313,9 +1341,9 @@ struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, siz
return skb;
}
-int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len)
+int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct sock *sk = chan->sk;
struct sk_buff *skb;
struct sk_buff_head sar_queue;
u16 control;
@@ -1323,20 +1351,20 @@ int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len)
skb_queue_head_init(&sar_queue);
control = L2CAP_SDU_START;
- skb = l2cap_create_iframe_pdu(sk, msg, pi->remote_mps, control, len);
+ skb = l2cap_create_iframe_pdu(sk, msg, chan->remote_mps, control, len);
if (IS_ERR(skb))
return PTR_ERR(skb);
__skb_queue_tail(&sar_queue, skb);
- len -= pi->remote_mps;
- size += pi->remote_mps;
+ len -= chan->remote_mps;
+ size += chan->remote_mps;
while (len > 0) {
size_t buflen;
- if (len > pi->remote_mps) {
+ if (len > chan->remote_mps) {
control = L2CAP_SDU_CONTINUE;
- buflen = pi->remote_mps;
+ buflen = chan->remote_mps;
} else {
control = L2CAP_SDU_END;
buflen = len;
@@ -1352,9 +1380,9 @@ int l2cap_sar_segment_sdu(struct sock *sk, struct msghdr *msg, size_t len)
len -= buflen;
size += buflen;
}
- skb_queue_splice_tail(&sar_queue, TX_QUEUE(sk));
- if (sk->sk_send_head == NULL)
- sk->sk_send_head = sar_queue.next;
+ skb_queue_splice_tail(&sar_queue, &chan->tx_q);
+ if (chan->tx_send_head == NULL)
+ chan->tx_send_head = sar_queue.next;
return size;
}
@@ -1385,14 +1413,14 @@ static void l2cap_chan_ready(struct sock *sk)
/* Copy frame to all raw sockets on that connection */
static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
{
- struct l2cap_chan_list *l = &conn->chan_list;
struct sk_buff *nskb;
- struct sock *sk;
+ struct l2cap_chan *chan;
BT_DBG("conn %p", conn);
- read_lock(&l->lock);
- for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
+ read_lock(&conn->chan_lock);
+ list_for_each_entry(chan, &conn->chan_l, list) {
+ struct sock *sk = chan->sk;
if (sk->sk_type != SOCK_RAW)
continue;
@@ -1406,7 +1434,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
if (sock_queue_rcv_skb(sk, nskb))
kfree_skb(nskb);
}
- read_unlock(&l->lock);
+ read_unlock(&conn->chan_lock);
}
/* ---- L2CAP signalling commands ---- */
@@ -1538,32 +1566,35 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
static void l2cap_ack_timeout(unsigned long arg)
{
- struct sock *sk = (void *) arg;
+ struct l2cap_chan *chan = (void *) arg;
- bh_lock_sock(sk);
- l2cap_send_ack(l2cap_pi(sk));
- bh_unlock_sock(sk);
+ bh_lock_sock(chan->sk);
+ l2cap_send_ack(chan);
+ bh_unlock_sock(chan->sk);
}
-static inline void l2cap_ertm_init(struct sock *sk)
+static inline void l2cap_ertm_init(struct l2cap_chan *chan)
{
- l2cap_pi(sk)->expected_ack_seq = 0;
- l2cap_pi(sk)->unacked_frames = 0;
- l2cap_pi(sk)->buffer_seq = 0;
- l2cap_pi(sk)->num_acked = 0;
- l2cap_pi(sk)->frames_sent = 0;
+ struct sock *sk = chan->sk;
+
+ chan->expected_ack_seq = 0;
+ chan->unacked_frames = 0;
+ chan->buffer_seq = 0;
+ chan->num_acked = 0;
+ chan->frames_sent = 0;
- setup_timer(&l2cap_pi(sk)->retrans_timer,
- l2cap_retrans_timeout, (unsigned long) sk);
- setup_timer(&l2cap_pi(sk)->monitor_timer,
- l2cap_monitor_timeout, (unsigned long) sk);
- setup_timer(&l2cap_pi(sk)->ack_timer,
- l2cap_ack_timeout, (unsigned long) sk);
+ setup_timer(&chan->retrans_timer, l2cap_retrans_timeout,
+ (unsigned long) chan);
+ setup_timer(&chan->monitor_timer, l2cap_monitor_timeout,
+ (unsigned long) chan);
+ setup_timer(&chan->ack_timer, l2cap_ack_timeout, (unsigned long) chan);
- __skb_queue_head_init(SREJ_QUEUE(sk));
- __skb_queue_head_init(BUSY_QUEUE(sk));
+ skb_queue_head_init(&chan->srej_q);
+ skb_queue_head_init(&chan->busy_q);
- INIT_WORK(&l2cap_pi(sk)->busy_work, l2cap_busy_work);
+ INIT_LIST_HEAD(&chan->srej_l);
+
+ INIT_WORK(&chan->busy_work, l2cap_busy_work);
sk->sk_backlog_rcv = l2cap_ertm_data_rcv;
}
@@ -1581,16 +1612,16 @@ static inline __u8 l2cap_select_mode(__u8 mode, __u16 remote_feat_mask)
}
}
-int l2cap_build_conf_req(struct sock *sk, void *data)
+static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct l2cap_conf_req *req = data;
struct l2cap_conf_rfc rfc = { .mode = pi->mode };
void *ptr = req->data;
- BT_DBG("sk %p", sk);
+ BT_DBG("chan %p", chan);
- if (pi->num_conf_req || pi->num_conf_rsp)
+ if (chan->num_conf_req || chan->num_conf_rsp)
goto done;
switch (pi->mode) {
@@ -1679,20 +1710,20 @@ done:
return ptr - data;
}
-static int l2cap_parse_conf_req(struct sock *sk, void *data)
+static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct l2cap_conf_rsp *rsp = data;
void *ptr = rsp->data;
- void *req = pi->conf_req;
- int len = pi->conf_len;
+ void *req = chan->conf_req;
+ int len = chan->conf_len;
int type, hint, olen;
unsigned long val;
struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
u16 mtu = L2CAP_DEFAULT_MTU;
u16 result = L2CAP_CONF_SUCCESS;
- BT_DBG("sk %p", sk);
+ BT_DBG("chan %p", chan);
while (len >= L2CAP_CONF_OPT_SIZE) {
len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
@@ -1733,7 +1764,7 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
}
}
- if (pi->num_conf_rsp || pi->num_conf_req > 1)
+ if (chan->num_conf_rsp || chan->num_conf_req > 1)
goto done;
switch (pi->mode) {
@@ -1756,7 +1787,7 @@ done:
result = L2CAP_CONF_UNACCEPT;
rfc.mode = pi->mode;
- if (pi->num_conf_rsp == 1)
+ if (chan->num_conf_rsp == 1)
return -ECONNREFUSED;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC,
@@ -1783,13 +1814,13 @@ done:
break;
case L2CAP_MODE_ERTM:
- pi->remote_tx_win = rfc.txwin_size;
- pi->remote_max_tx = rfc.max_transmit;
+ chan->remote_tx_win = rfc.txwin_size;
+ chan->remote_max_tx = rfc.max_transmit;
if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
- pi->remote_mps = le16_to_cpu(rfc.max_pdu_size);
+ chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
rfc.retrans_timeout =
le16_to_cpu(L2CAP_DEFAULT_RETRANS_TO);
@@ -1807,7 +1838,7 @@ done:
if (le16_to_cpu(rfc.max_pdu_size) > pi->conn->mtu - 10)
rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
- pi->remote_mps = le16_to_cpu(rfc.max_pdu_size);
+ chan->remote_mps = le16_to_cpu(rfc.max_pdu_size);
pi->conf_state |= L2CAP_CONF_MODE_DONE;
@@ -1916,6 +1947,31 @@ static int l2cap_build_conf_rsp(struct sock *sk, void *data, u16 result, u16 fla
return ptr - data;
}
+void __l2cap_connect_rsp_defer(struct sock *sk)
+{
+ struct l2cap_conn_rsp rsp;
+ struct l2cap_conn *conn = l2cap_pi(sk)->conn;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
+ u8 buf[128];
+
+ sk->sk_state = BT_CONFIG;
+
+ rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
+ rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
+ rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
+ rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
+ l2cap_send_cmd(conn, chan->ident,
+ L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+
+ if (l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT)
+ return;
+
+ l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
+ l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
+ l2cap_build_conf_req(chan, buf), buf);
+ chan->num_conf_req++;
+}
+
static void l2cap_conf_rfc_get(struct sock *sk, void *rsp, int len)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
@@ -1973,9 +2029,9 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd
static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
{
- struct l2cap_chan_list *list = &conn->chan_list;
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
+ struct l2cap_chan *chan = NULL;
struct sock *parent, *sk = NULL;
int result, status = L2CAP_CS_NO_INFO;
@@ -2013,11 +2069,17 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
if (!sk)
goto response;
- write_lock_bh(&list->lock);
+ chan = l2cap_chan_alloc(sk);
+ if (!chan) {
+ l2cap_sock_kill(sk);
+ goto response;
+ }
+
+ write_lock_bh(&conn->chan_lock);
/* Check if we already have channel with that dcid */
- if (__l2cap_get_chan_by_dcid(list, scid)) {
- write_unlock_bh(&list->lock);
+ if (__l2cap_get_chan_by_dcid(conn, scid)) {
+ write_unlock_bh(&conn->chan_lock);
sock_set_flag(sk, SOCK_ZAPPED);
l2cap_sock_kill(sk);
goto response;
@@ -2033,12 +2095,15 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
bt_accept_enqueue(parent, sk);
- __l2cap_chan_add(conn, sk);
+ __l2cap_chan_add(conn, chan);
+
+ l2cap_pi(sk)->chan = chan;
+
dcid = l2cap_pi(sk)->scid;
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
- l2cap_pi(sk)->ident = cmd->ident;
+ chan->ident = cmd->ident;
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) {
if (l2cap_check_security(sk)) {
@@ -2063,7 +2128,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
status = L2CAP_CS_NO_INFO;
}
- write_unlock_bh(&list->lock);
+ write_unlock_bh(&conn->chan_lock);
response:
bh_unlock_sock(parent);
@@ -2089,13 +2154,13 @@ sendresp:
L2CAP_INFO_REQ, sizeof(info), &info);
}
- if (sk && !(l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT) &&
+ if (chan && !(l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT) &&
result == L2CAP_CR_SUCCESS) {
u8 buf[128];
l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(sk, buf), buf);
- l2cap_pi(sk)->num_conf_req++;
+ l2cap_build_conf_req(chan, buf), buf);
+ chan->num_conf_req++;
}
return 0;
@@ -2105,6 +2170,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
{
struct l2cap_conn_rsp *rsp = (struct l2cap_conn_rsp *) data;
u16 scid, dcid, result, status;
+ struct l2cap_chan *chan;
struct sock *sk;
u8 req[128];
@@ -2116,19 +2182,21 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
BT_DBG("dcid 0x%4.4x scid 0x%4.4x result 0x%2.2x status 0x%2.2x", dcid, scid, result, status);
if (scid) {
- sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
- if (!sk)
+ chan = l2cap_get_chan_by_scid(conn, scid);
+ if (!chan)
return -EFAULT;
} else {
- sk = l2cap_get_chan_by_ident(&conn->chan_list, cmd->ident);
- if (!sk)
+ chan = l2cap_get_chan_by_ident(conn, cmd->ident);
+ if (!chan)
return -EFAULT;
}
+ sk = chan->sk;
+
switch (result) {
case L2CAP_CR_SUCCESS:
sk->sk_state = BT_CONFIG;
- l2cap_pi(sk)->ident = 0;
+ chan->ident = 0;
l2cap_pi(sk)->dcid = dcid;
l2cap_pi(sk)->conf_state &= ~L2CAP_CONF_CONNECT_PEND;
@@ -2138,8 +2206,8 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(sk, req), req);
- l2cap_pi(sk)->num_conf_req++;
+ l2cap_build_conf_req(chan, req), req);
+ chan->num_conf_req++;
break;
case L2CAP_CR_PEND:
@@ -2155,7 +2223,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
break;
}
- l2cap_chan_del(sk, ECONNREFUSED);
+ l2cap_chan_del(chan, ECONNREFUSED);
break;
}
@@ -2179,6 +2247,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
struct l2cap_conf_req *req = (struct l2cap_conf_req *) data;
u16 dcid, flags;
u8 rsp[64];
+ struct l2cap_chan *chan;
struct sock *sk;
int len;
@@ -2187,10 +2256,12 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
BT_DBG("dcid 0x%4.4x flags 0x%2.2x", dcid, flags);
- sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
- if (!sk)
+ chan = l2cap_get_chan_by_scid(conn, dcid);
+ if (!chan)
return -ENOENT;
+ sk = chan->sk;
+
if (sk->sk_state != BT_CONFIG) {
struct l2cap_cmd_rej rej;
@@ -2202,7 +2273,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
/* Reject if config buffer is too small. */
len = cmd_len - sizeof(*req);
- if (l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) {
+ if (chan->conf_len + len > sizeof(chan->conf_req)) {
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
l2cap_build_conf_rsp(sk, rsp,
L2CAP_CONF_REJECT, flags), rsp);
@@ -2210,8 +2281,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
}
/* Store config. */
- memcpy(l2cap_pi(sk)->conf_req + l2cap_pi(sk)->conf_len, req->data, len);
- l2cap_pi(sk)->conf_len += len;
+ memcpy(chan->conf_req + chan->conf_len, req->data, len);
+ chan->conf_len += len;
if (flags & 0x0001) {
/* Incomplete config. Send empty response. */
@@ -2222,17 +2293,17 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
}
/* Complete config. */
- len = l2cap_parse_conf_req(sk, rsp);
+ len = l2cap_parse_conf_req(chan, rsp);
if (len < 0) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto unlock;
}
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp);
- l2cap_pi(sk)->num_conf_rsp++;
+ chan->num_conf_rsp++;
/* Reset config buffer. */
- l2cap_pi(sk)->conf_len = 0;
+ chan->conf_len = 0;
if (!(l2cap_pi(sk)->conf_state & L2CAP_CONF_OUTPUT_DONE))
goto unlock;
@@ -2242,11 +2313,11 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
sk->sk_state = BT_CONNECTED;
- l2cap_pi(sk)->next_tx_seq = 0;
- l2cap_pi(sk)->expected_tx_seq = 0;
- __skb_queue_head_init(TX_QUEUE(sk));
+ chan->next_tx_seq = 0;
+ chan->expected_tx_seq = 0;
+ skb_queue_head_init(&chan->tx_q);
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
- l2cap_ertm_init(sk);
+ l2cap_ertm_init(chan);
l2cap_chan_ready(sk);
goto unlock;
@@ -2256,8 +2327,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
u8 buf[64];
l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(sk, buf), buf);
- l2cap_pi(sk)->num_conf_req++;
+ l2cap_build_conf_req(chan, buf), buf);
+ chan->num_conf_req++;
}
unlock:
@@ -2269,6 +2340,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
{
struct l2cap_conf_rsp *rsp = (struct l2cap_conf_rsp *)data;
u16 scid, flags, result;
+ struct l2cap_chan *chan;
struct sock *sk;
int len = cmd->len - sizeof(*rsp);
@@ -2279,21 +2351,23 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
BT_DBG("scid 0x%4.4x flags 0x%2.2x result 0x%2.2x",
scid, flags, result);
- sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
- if (!sk)
+ chan = l2cap_get_chan_by_scid(conn, scid);
+ if (!chan)
return 0;
+ sk = chan->sk;
+
switch (result) {
case L2CAP_CONF_SUCCESS:
l2cap_conf_rfc_get(sk, rsp->data, len);
break;
case L2CAP_CONF_UNACCEPT:
- if (l2cap_pi(sk)->num_conf_rsp <= L2CAP_CONF_MAX_CONF_RSP) {
+ if (chan->num_conf_rsp <= L2CAP_CONF_MAX_CONF_RSP) {
char req[64];
if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2302,13 +2376,13 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
len = l2cap_parse_conf_rsp(sk, rsp->data,
len, req, &result);
if (len < 0) {
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
l2cap_send_cmd(conn, l2cap_get_ident(conn),
L2CAP_CONF_REQ, len, req);
- l2cap_pi(sk)->num_conf_req++;
+ chan->num_conf_req++;
if (result != L2CAP_CONF_SUCCESS)
goto done;
break;
@@ -2317,7 +2391,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
default:
sk->sk_err = ECONNRESET;
l2cap_sock_set_timer(sk, HZ * 5);
- l2cap_send_disconn_req(conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(conn, chan, ECONNRESET);
goto done;
}
@@ -2330,11 +2404,11 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
set_default_fcs(l2cap_pi(sk));
sk->sk_state = BT_CONNECTED;
- l2cap_pi(sk)->next_tx_seq = 0;
- l2cap_pi(sk)->expected_tx_seq = 0;
- __skb_queue_head_init(TX_QUEUE(sk));
+ chan->next_tx_seq = 0;
+ chan->expected_tx_seq = 0;
+ skb_queue_head_init(&chan->tx_q);
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
- l2cap_ertm_init(sk);
+ l2cap_ertm_init(chan);
l2cap_chan_ready(sk);
}
@@ -2349,6 +2423,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
struct l2cap_disconn_req *req = (struct l2cap_disconn_req *) data;
struct l2cap_disconn_rsp rsp;
u16 dcid, scid;
+ struct l2cap_chan *chan;
struct sock *sk;
scid = __le16_to_cpu(req->scid);
@@ -2356,10 +2431,12 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
BT_DBG("scid 0x%4.4x dcid 0x%4.4x", scid, dcid);
- sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
- if (!sk)
+ chan = l2cap_get_chan_by_scid(conn, dcid);
+ if (!chan)
return 0;
+ sk = chan->sk;
+
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
l2cap_send_cmd(conn, cmd->ident, L2CAP_DISCONN_RSP, sizeof(rsp), &rsp);
@@ -2375,7 +2452,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
- l2cap_chan_del(sk, ECONNRESET);
+ l2cap_chan_del(chan, ECONNRESET);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
@@ -2386,6 +2463,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
{
struct l2cap_disconn_rsp *rsp = (struct l2cap_disconn_rsp *) data;
u16 dcid, scid;
+ struct l2cap_chan *chan;
struct sock *sk;
scid = __le16_to_cpu(rsp->scid);
@@ -2393,10 +2471,12 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
BT_DBG("dcid 0x%4.4x scid 0x%4.4x", dcid, scid);
- sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
- if (!sk)
+ chan = l2cap_get_chan_by_scid(conn, scid);
+ if (!chan)
return 0;
+ sk = chan->sk;
+
/* don't delete l2cap channel if sk is owned by user */
if (sock_owned_by_user(sk)) {
sk->sk_state = BT_DISCONN;
@@ -2406,7 +2486,7 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
return 0;
}
- l2cap_chan_del(sk, 0);
+ l2cap_chan_del(chan, 0);
bh_unlock_sock(sk);
l2cap_sock_kill(sk);
@@ -2709,49 +2789,47 @@ static int l2cap_check_fcs(struct l2cap_pinfo *pi, struct sk_buff *skb)
return 0;
}
-static inline void l2cap_send_i_or_rr_or_rnr(struct sock *sk)
+static inline void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
u16 control = 0;
- pi->frames_sent = 0;
+ chan->frames_sent = 0;
- control |= pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ control |= chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- if (pi->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
control |= L2CAP_SUPER_RCV_NOT_READY;
- l2cap_send_sframe(pi, control);
- pi->conn_state |= L2CAP_CONN_RNR_SENT;
+ l2cap_send_sframe(chan, control);
+ chan->conn_state |= L2CAP_CONN_RNR_SENT;
}
- if (pi->conn_state & L2CAP_CONN_REMOTE_BUSY)
- l2cap_retransmit_frames(sk);
+ if (chan->conn_state & L2CAP_CONN_REMOTE_BUSY)
+ l2cap_retransmit_frames(chan);
- l2cap_ertm_send(sk);
+ l2cap_ertm_send(chan);
- if (!(pi->conn_state & L2CAP_CONN_LOCAL_BUSY) &&
- pi->frames_sent == 0) {
+ if (!(chan->conn_state & L2CAP_CONN_LOCAL_BUSY) &&
+ chan->frames_sent == 0) {
control |= L2CAP_SUPER_RCV_READY;
- l2cap_send_sframe(pi, control);
+ l2cap_send_sframe(chan, control);
}
}
-static int l2cap_add_to_srej_queue(struct sock *sk, struct sk_buff *skb, u8 tx_seq, u8 sar)
+static int l2cap_add_to_srej_queue(struct l2cap_chan *chan, struct sk_buff *skb, u8 tx_seq, u8 sar)
{
struct sk_buff *next_skb;
- struct l2cap_pinfo *pi = l2cap_pi(sk);
int tx_seq_offset, next_tx_seq_offset;
bt_cb(skb)->tx_seq = tx_seq;
bt_cb(skb)->sar = sar;
- next_skb = skb_peek(SREJ_QUEUE(sk));
+ next_skb = skb_peek(&chan->srej_q);
if (!next_skb) {
- __skb_queue_tail(SREJ_QUEUE(sk), skb);
+ __skb_queue_tail(&chan->srej_q, skb);
return 0;
}
- tx_seq_offset = (tx_seq - pi->buffer_seq) % 64;
+ tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
if (tx_seq_offset < 0)
tx_seq_offset += 64;
@@ -2760,53 +2838,53 @@ static int l2cap_add_to_srej_queue(struct sock *sk, struct sk_buff *skb, u8 tx_s
return -EINVAL;
next_tx_seq_offset = (bt_cb(next_skb)->tx_seq -
- pi->buffer_seq) % 64;
+ chan->buffer_seq) % 64;
if (next_tx_seq_offset < 0)
next_tx_seq_offset += 64;
if (next_tx_seq_offset > tx_seq_offset) {
- __skb_queue_before(SREJ_QUEUE(sk), next_skb, skb);
+ __skb_queue_before(&chan->srej_q, next_skb, skb);
return 0;
}
- if (skb_queue_is_last(SREJ_QUEUE(sk), next_skb))
+ if (skb_queue_is_last(&chan->srej_q, next_skb))
break;
- } while ((next_skb = skb_queue_next(SREJ_QUEUE(sk), next_skb)));
+ } while ((next_skb = skb_queue_next(&chan->srej_q, next_skb)));
- __skb_queue_tail(SREJ_QUEUE(sk), skb);
+ __skb_queue_tail(&chan->srej_q, skb);
return 0;
}
-static int l2cap_ertm_reassembly_sdu(struct sock *sk, struct sk_buff *skb, u16 control)
+static int l2cap_ertm_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct sk_buff *_skb;
int err;
switch (control & L2CAP_CTRL_SAR) {
case L2CAP_SDU_UNSEGMENTED:
- if (pi->conn_state & L2CAP_CONN_SAR_SDU)
+ if (chan->conn_state & L2CAP_CONN_SAR_SDU)
goto drop;
- err = sock_queue_rcv_skb(sk, skb);
+ err = sock_queue_rcv_skb(chan->sk, skb);
if (!err)
return err;
break;
case L2CAP_SDU_START:
- if (pi->conn_state & L2CAP_CONN_SAR_SDU)
+ if (chan->conn_state & L2CAP_CONN_SAR_SDU)
goto drop;
- pi->sdu_len = get_unaligned_le16(skb->data);
+ chan->sdu_len = get_unaligned_le16(skb->data);
- if (pi->sdu_len > pi->imtu)
+ if (chan->sdu_len > pi->imtu)
goto disconnect;
- pi->sdu = bt_skb_alloc(pi->sdu_len, GFP_ATOMIC);
- if (!pi->sdu)
+ chan->sdu = bt_skb_alloc(chan->sdu_len, GFP_ATOMIC);
+ if (!chan->sdu)
return -ENOMEM;
/* pull sdu_len bytes only after alloc, because of Local Busy
@@ -2814,63 +2892,63 @@ static int l2cap_ertm_reassembly_sdu(struct sock *sk, struct sk_buff *skb, u16 c
* only once, i.e., when alloc does not fail */
skb_pull(skb, 2);
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- pi->conn_state |= L2CAP_CONN_SAR_SDU;
- pi->partial_sdu_len = skb->len;
+ chan->conn_state |= L2CAP_CONN_SAR_SDU;
+ chan->partial_sdu_len = skb->len;
break;
case L2CAP_SDU_CONTINUE:
- if (!(pi->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
goto disconnect;
- if (!pi->sdu)
+ if (!chan->sdu)
goto disconnect;
- pi->partial_sdu_len += skb->len;
- if (pi->partial_sdu_len > pi->sdu_len)
+ chan->partial_sdu_len += skb->len;
+ if (chan->partial_sdu_len > chan->sdu_len)
goto drop;
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
break;
case L2CAP_SDU_END:
- if (!(pi->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
goto disconnect;
- if (!pi->sdu)
+ if (!chan->sdu)
goto disconnect;
- if (!(pi->conn_state & L2CAP_CONN_SAR_RETRY)) {
- pi->partial_sdu_len += skb->len;
+ if (!(chan->conn_state & L2CAP_CONN_SAR_RETRY)) {
+ chan->partial_sdu_len += skb->len;
- if (pi->partial_sdu_len > pi->imtu)
+ if (chan->partial_sdu_len > pi->imtu)
goto drop;
- if (pi->partial_sdu_len != pi->sdu_len)
+ if (chan->partial_sdu_len != chan->sdu_len)
goto drop;
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
}
- _skb = skb_clone(pi->sdu, GFP_ATOMIC);
+ _skb = skb_clone(chan->sdu, GFP_ATOMIC);
if (!_skb) {
- pi->conn_state |= L2CAP_CONN_SAR_RETRY;
+ chan->conn_state |= L2CAP_CONN_SAR_RETRY;
return -ENOMEM;
}
- err = sock_queue_rcv_skb(sk, _skb);
+ err = sock_queue_rcv_skb(chan->sk, _skb);
if (err < 0) {
kfree_skb(_skb);
- pi->conn_state |= L2CAP_CONN_SAR_RETRY;
+ chan->conn_state |= L2CAP_CONN_SAR_RETRY;
return err;
}
- pi->conn_state &= ~L2CAP_CONN_SAR_RETRY;
- pi->conn_state &= ~L2CAP_CONN_SAR_SDU;
+ chan->conn_state &= ~L2CAP_CONN_SAR_RETRY;
+ chan->conn_state &= ~L2CAP_CONN_SAR_SDU;
- kfree_skb(pi->sdu);
+ kfree_skb(chan->sdu);
break;
}
@@ -2878,51 +2956,50 @@ static int l2cap_ertm_reassembly_sdu(struct sock *sk, struct sk_buff *skb, u16 c
return 0;
drop:
- kfree_skb(pi->sdu);
- pi->sdu = NULL;
+ kfree_skb(chan->sdu);
+ chan->sdu = NULL;
disconnect:
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
kfree_skb(skb);
return 0;
}
-static int l2cap_try_push_rx_skb(struct sock *sk)
+static int l2cap_try_push_rx_skb(struct l2cap_chan *chan)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
struct sk_buff *skb;
u16 control;
int err;
- while ((skb = skb_dequeue(BUSY_QUEUE(sk)))) {
+ while ((skb = skb_dequeue(&chan->busy_q))) {
control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
- err = l2cap_ertm_reassembly_sdu(sk, skb, control);
+ err = l2cap_ertm_reassembly_sdu(chan, skb, control);
if (err < 0) {
- skb_queue_head(BUSY_QUEUE(sk), skb);
+ skb_queue_head(&chan->busy_q, skb);
return -EBUSY;
}
- pi->buffer_seq = (pi->buffer_seq + 1) % 64;
+ chan->buffer_seq = (chan->buffer_seq + 1) % 64;
}
- if (!(pi->conn_state & L2CAP_CONN_RNR_SENT))
+ if (!(chan->conn_state & L2CAP_CONN_RNR_SENT))
goto done;
- control = pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ control = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
control |= L2CAP_SUPER_RCV_READY | L2CAP_CTRL_POLL;
- l2cap_send_sframe(pi, control);
- l2cap_pi(sk)->retry_count = 1;
+ l2cap_send_sframe(chan, control);
+ chan->retry_count = 1;
- del_timer(&pi->retrans_timer);
+ del_timer(&chan->retrans_timer);
__mod_monitor_timer();
- l2cap_pi(sk)->conn_state |= L2CAP_CONN_WAIT_F;
+ chan->conn_state |= L2CAP_CONN_WAIT_F;
done:
- pi->conn_state &= ~L2CAP_CONN_LOCAL_BUSY;
- pi->conn_state &= ~L2CAP_CONN_RNR_SENT;
+ chan->conn_state &= ~L2CAP_CONN_LOCAL_BUSY;
+ chan->conn_state &= ~L2CAP_CONN_RNR_SENT;
- BT_DBG("sk %p, Exit local busy", sk);
+ BT_DBG("chan %p, Exit local busy", chan);
return 0;
}
@@ -2930,21 +3007,21 @@ done:
static void l2cap_busy_work(struct work_struct *work)
{
DECLARE_WAITQUEUE(wait, current);
- struct l2cap_pinfo *pi =
- container_of(work, struct l2cap_pinfo, busy_work);
- struct sock *sk = (struct sock *)pi;
+ struct l2cap_chan *chan =
+ container_of(work, struct l2cap_chan, busy_work);
+ struct sock *sk = chan->sk;
int n_tries = 0, timeo = HZ/5, err;
struct sk_buff *skb;
lock_sock(sk);
add_wait_queue(sk_sleep(sk), &wait);
- while ((skb = skb_peek(BUSY_QUEUE(sk)))) {
+ while ((skb = skb_peek(&chan->busy_q))) {
set_current_state(TASK_INTERRUPTIBLE);
if (n_tries++ > L2CAP_LOCAL_BUSY_TRIES) {
err = -EBUSY;
- l2cap_send_disconn_req(pi->conn, sk, EBUSY);
+ l2cap_send_disconn_req(l2cap_pi(sk)->conn, chan, EBUSY);
break;
}
@@ -2964,7 +3041,7 @@ static void l2cap_busy_work(struct work_struct *work)
if (err)
break;
- if (l2cap_try_push_rx_skb(sk) == 0)
+ if (l2cap_try_push_rx_skb(chan) == 0)
break;
}
@@ -2974,48 +3051,47 @@ static void l2cap_busy_work(struct work_struct *work)
release_sock(sk);
}
-static int l2cap_push_rx_skb(struct sock *sk, struct sk_buff *skb, u16 control)
+static int l2cap_push_rx_skb(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
int sctrl, err;
- if (pi->conn_state & L2CAP_CONN_LOCAL_BUSY) {
+ if (chan->conn_state & L2CAP_CONN_LOCAL_BUSY) {
bt_cb(skb)->sar = control >> L2CAP_CTRL_SAR_SHIFT;
- __skb_queue_tail(BUSY_QUEUE(sk), skb);
- return l2cap_try_push_rx_skb(sk);
+ __skb_queue_tail(&chan->busy_q, skb);
+ return l2cap_try_push_rx_skb(chan);
}
- err = l2cap_ertm_reassembly_sdu(sk, skb, control);
+ err = l2cap_ertm_reassembly_sdu(chan, skb, control);
if (err >= 0) {
- pi->buffer_seq = (pi->buffer_seq + 1) % 64;
+ chan->buffer_seq = (chan->buffer_seq + 1) % 64;
return err;
}
/* Busy Condition */
- BT_DBG("sk %p, Enter local busy", sk);
+ BT_DBG("chan %p, Enter local busy", chan);
- pi->conn_state |= L2CAP_CONN_LOCAL_BUSY;
+ chan->conn_state |= L2CAP_CONN_LOCAL_BUSY;
bt_cb(skb)->sar = control >> L2CAP_CTRL_SAR_SHIFT;
- __skb_queue_tail(BUSY_QUEUE(sk), skb);
+ __skb_queue_tail(&chan->busy_q, skb);
- sctrl = pi->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ sctrl = chan->buffer_seq << L2CAP_CTRL_REQSEQ_SHIFT;
sctrl |= L2CAP_SUPER_RCV_NOT_READY;
- l2cap_send_sframe(pi, sctrl);
+ l2cap_send_sframe(chan, sctrl);
- pi->conn_state |= L2CAP_CONN_RNR_SENT;
+ chan->conn_state |= L2CAP_CONN_RNR_SENT;
- del_timer(&pi->ack_timer);
+ del_timer(&chan->ack_timer);
- queue_work(_busy_wq, &pi->busy_work);
+ queue_work(_busy_wq, &chan->busy_work);
return err;
}
-static int l2cap_streaming_reassembly_sdu(struct sock *sk, struct sk_buff *skb, u16 control)
+static int l2cap_streaming_reassembly_sdu(struct l2cap_chan *chan, struct sk_buff *skb, u16 control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
struct sk_buff *_skb;
int err = -EINVAL;
@@ -3026,80 +3102,80 @@ static int l2cap_streaming_reassembly_sdu(struct sock *sk, struct sk_buff *skb,
switch (control & L2CAP_CTRL_SAR) {
case L2CAP_SDU_UNSEGMENTED:
- if (pi->conn_state & L2CAP_CONN_SAR_SDU) {
- kfree_skb(pi->sdu);
+ if (chan->conn_state & L2CAP_CONN_SAR_SDU) {
+ kfree_skb(chan->sdu);
break;
}
- err = sock_queue_rcv_skb(sk, skb);
+ err = sock_queue_rcv_skb(chan->sk, skb);
if (!err)
return 0;
break;
case L2CAP_SDU_START:
- if (pi->conn_state & L2CAP_CONN_SAR_SDU) {
- kfree_skb(pi->sdu);
+ if (chan->conn_state & L2CAP_CONN_SAR_SDU) {
+ kfree_skb(chan->sdu);
break;
}
- pi->sdu_len = get_unaligned_le16(skb->data);
+ chan->sdu_len = get_unaligned_le16(skb->data);
skb_pull(skb, 2);
- if (pi->sdu_len > pi->imtu) {
+ if (chan->sdu_len > pi->imtu) {
err = -EMSGSIZE;
break;
}
- pi->sdu = bt_skb_alloc(pi->sdu_len, GFP_ATOMIC);
- if (!pi->sdu) {
+ chan->sdu = bt_skb_alloc(chan->sdu_len, GFP_ATOMIC);
+ if (!chan->sdu) {
err = -ENOMEM;
break;
}
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- pi->conn_state |= L2CAP_CONN_SAR_SDU;
- pi->partial_sdu_len = skb->len;
+ chan->conn_state |= L2CAP_CONN_SAR_SDU;
+ chan->partial_sdu_len = skb->len;
err = 0;
break;
case L2CAP_SDU_CONTINUE:
- if (!(pi->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
break;
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- pi->partial_sdu_len += skb->len;
- if (pi->partial_sdu_len > pi->sdu_len)
- kfree_skb(pi->sdu);
+ chan->partial_sdu_len += skb->len;
+ if (chan->partial_sdu_len > chan->sdu_len)
+ kfree_skb(chan->sdu);
else
err = 0;
break;
case L2CAP_SDU_END:
- if (!(pi->conn_state & L2CAP_CONN_SAR_SDU))
+ if (!(chan->conn_state & L2CAP_CONN_SAR_SDU))
break;
- memcpy(skb_put(pi->sdu, skb->len), skb->data, skb->len);
+ memcpy(skb_put(chan->sdu, skb->len), skb->data, skb->len);
- pi->conn_state &= ~L2CAP_CONN_SAR_SDU;
- pi->partial_sdu_len += skb->len;
+ chan->conn_state &= ~L2CAP_CONN_SAR_SDU;
+ chan->partial_sdu_len += skb->len;
- if (pi->partial_sdu_len > pi->imtu)
+ if (chan->partial_sdu_len > pi->imtu)
goto drop;
- if (pi->partial_sdu_len == pi->sdu_len) {
- _skb = skb_clone(pi->sdu, GFP_ATOMIC);
- err = sock_queue_rcv_skb(sk, _skb);
+ if (chan->partial_sdu_len == chan->sdu_len) {
+ _skb = skb_clone(chan->sdu, GFP_ATOMIC);
+ err = sock_queue_rcv_skb(chan->sk, _skb);
if (err < 0)
kfree_skb(_skb);
}
err = 0;
drop:
- kfree_skb(pi->sdu);
+ kfree_skb(chan->sdu);
break;
}
@@ -3107,31 +3183,30 @@ drop:
return err;
}
-static void l2cap_check_srej_gap(struct sock *sk, u8 tx_seq)
+static void l2cap_check_srej_gap(struct l2cap_chan *chan, u8 tx_seq)
{
struct sk_buff *skb;
u16 control;
- while ((skb = skb_peek(SREJ_QUEUE(sk)))) {
+ while ((skb = skb_peek(&chan->srej_q))) {
if (bt_cb(skb)->tx_seq != tx_seq)
break;
- skb = skb_dequeue(SREJ_QUEUE(sk));
+ skb = skb_dequeue(&chan->srej_q);
control = bt_cb(skb)->sar << L2CAP_CTRL_SAR_SHIFT;
- l2cap_ertm_reassembly_sdu(sk, skb, control);
- l2cap_pi(sk)->buffer_seq_srej =
- (l2cap_pi(sk)->buffer_seq_srej + 1) % 64;
+ l2cap_ertm_reassembly_sdu(chan, skb, control);
+ chan->buffer_seq_srej =
+ (chan->buffer_seq_srej + 1) % 64;
tx_seq = (tx_seq + 1) % 64;
}
}
-static void l2cap_resend_srejframe(struct sock *sk, u8 tx_seq)
+static void l2cap_resend_srejframe(struct l2cap_chan *chan, u8 tx_seq)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
struct srej_list *l, *tmp;
u16 control;
- list_for_each_entry_safe(l, tmp, SREJ_LIST(sk), list) {
+ list_for_each_entry_safe(l, tmp, &chan->srej_l, list) {
if (l->tx_seq == tx_seq) {
list_del(&l->list);
kfree(l);
@@ -3139,34 +3214,33 @@ static void l2cap_resend_srejframe(struct sock *sk, u8 tx_seq)
}
control = L2CAP_SUPER_SELECT_REJECT;
control |= l->tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- l2cap_send_sframe(pi, control);
+ l2cap_send_sframe(chan, control);
list_del(&l->list);
- list_add_tail(&l->list, SREJ_LIST(sk));
+ list_add_tail(&l->list, &chan->srej_l);
}
}
-static void l2cap_send_srejframe(struct sock *sk, u8 tx_seq)
+static void l2cap_send_srejframe(struct l2cap_chan *chan, u8 tx_seq)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
struct srej_list *new;
u16 control;
- while (tx_seq != pi->expected_tx_seq) {
+ while (tx_seq != chan->expected_tx_seq) {
control = L2CAP_SUPER_SELECT_REJECT;
- control |= pi->expected_tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
- l2cap_send_sframe(pi, control);
+ control |= chan->expected_tx_seq << L2CAP_CTRL_REQSEQ_SHIFT;
+ l2cap_send_sframe(chan, control);
new = kzalloc(sizeof(struct srej_list), GFP_ATOMIC);
- new->tx_seq = pi->expected_tx_seq;
- pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
- list_add_tail(&new->list, SREJ_LIST(sk));
+ new->tx_seq = chan->expected_tx_seq;
+ chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
+ list_add_tail(&new->list, &chan->srej_l);
}
- pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
+ chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
}
-static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, struct sk_buff *skb)
+static inline int l2cap_data_channel_iframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
+ struct l2cap_pinfo *pi = l2cap_pi(chan->sk);
u8 tx_seq = __get_txseq(rx_control);
u8 req_seq = __get_reqseq(rx_control);
u8 sar = rx_control >> L2CAP_CTRL_SAR_SHIFT;
@@ -3174,72 +3248,72 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str
int num_to_ack = (pi->tx_win/6) + 1;
int err = 0;
- BT_DBG("sk %p len %d tx_seq %d rx_control 0x%4.4x", sk, skb->len, tx_seq,
- rx_control);
+ BT_DBG("chan %p len %d tx_seq %d rx_control 0x%4.4x", chan, skb->len,
+ tx_seq, rx_control);
if (L2CAP_CTRL_FINAL & rx_control &&
- l2cap_pi(sk)->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&pi->monitor_timer);
- if (pi->unacked_frames > 0)
+ chan->conn_state & L2CAP_CONN_WAIT_F) {
+ del_timer(&chan->monitor_timer);
+ if (chan->unacked_frames > 0)
__mod_retrans_timer();
- pi->conn_state &= ~L2CAP_CONN_WAIT_F;
+ chan->conn_state &= ~L2CAP_CONN_WAIT_F;
}
- pi->expected_ack_seq = req_seq;
- l2cap_drop_acked_frames(sk);
+ chan->expected_ack_seq = req_seq;
+ l2cap_drop_acked_frames(chan);
- if (tx_seq == pi->expected_tx_seq)
+ if (tx_seq == chan->expected_tx_seq)
goto expected;
- tx_seq_offset = (tx_seq - pi->buffer_seq) % 64;
+ tx_seq_offset = (tx_seq - chan->buffer_seq) % 64;
if (tx_seq_offset < 0)
tx_seq_offset += 64;
/* invalid tx_seq */
if (tx_seq_offset >= pi->tx_win) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
- if (pi->conn_state == L2CAP_CONN_LOCAL_BUSY)
+ if (chan->conn_state == L2CAP_CONN_LOCAL_BUSY)
goto drop;
- if (pi->conn_state & L2CAP_CONN_SREJ_SENT) {
+ if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
struct srej_list *first;
- first = list_first_entry(SREJ_LIST(sk),
+ first = list_first_entry(&chan->srej_l,
struct srej_list, list);
if (tx_seq == first->tx_seq) {
- l2cap_add_to_srej_queue(sk, skb, tx_seq, sar);
- l2cap_check_srej_gap(sk, tx_seq);
+ l2cap_add_to_srej_queue(chan, skb, tx_seq, sar);
+ l2cap_check_srej_gap(chan, tx_seq);
list_del(&first->list);
kfree(first);
- if (list_empty(SREJ_LIST(sk))) {
- pi->buffer_seq = pi->buffer_seq_srej;
- pi->conn_state &= ~L2CAP_CONN_SREJ_SENT;
- l2cap_send_ack(pi);
- BT_DBG("sk %p, Exit SREJ_SENT", sk);
+ if (list_empty(&chan->srej_l)) {
+ chan->buffer_seq = chan->buffer_seq_srej;
+ chan->conn_state &= ~L2CAP_CONN_SREJ_SENT;
+ l2cap_send_ack(chan);
+ BT_DBG("chan %p, Exit SREJ_SENT", chan);
}
} else {
struct srej_list *l;
/* duplicated tx_seq */
- if (l2cap_add_to_srej_queue(sk, skb, tx_seq, sar) < 0)
+ if (l2cap_add_to_srej_queue(chan, skb, tx_seq, sar) < 0)
goto drop;
- list_for_each_entry(l, SREJ_LIST(sk), list) {
+ list_for_each_entry(l, &chan->srej_l, list) {
if (l->tx_seq == tx_seq) {
- l2cap_resend_srejframe(sk, tx_seq);
+ l2cap_resend_srejframe(chan, tx_seq);
return 0;
}
}
- l2cap_send_srejframe(sk, tx_seq);
+ l2cap_send_srejframe(chan, tx_seq);
}
} else {
expected_tx_seq_offset =
- (pi->expected_tx_seq - pi->buffer_seq) % 64;
+ (chan->expected_tx_seq - chan->buffer_seq) % 64;
if (expected_tx_seq_offset < 0)
expected_tx_seq_offset += 64;
@@ -3247,51 +3321,51 @@ static inline int l2cap_data_channel_iframe(struct sock *sk, u16 rx_control, str
if (tx_seq_offset < expected_tx_seq_offset)
goto drop;
- pi->conn_state |= L2CAP_CONN_SREJ_SENT;
+ chan->conn_state |= L2CAP_CONN_SREJ_SENT;
- BT_DBG("sk %p, Enter SREJ", sk);
+ BT_DBG("chan %p, Enter SREJ", chan);
- INIT_LIST_HEAD(SREJ_LIST(sk));
- pi->buffer_seq_srej = pi->buffer_seq;
+ INIT_LIST_HEAD(&chan->srej_l);
+ chan->buffer_seq_srej = chan->buffer_seq;
- __skb_queue_head_init(SREJ_QUEUE(sk));
- __skb_queue_head_init(BUSY_QUEUE(sk));
- l2cap_add_to_srej_queue(sk, skb, tx_seq, sar);
+ __skb_queue_head_init(&chan->srej_q);
+ __skb_queue_head_init(&chan->busy_q);
+ l2cap_add_to_srej_queue(chan, skb, tx_seq, sar);
- pi->conn_state |= L2CAP_CONN_SEND_PBIT;
+ chan->conn_state |= L2CAP_CONN_SEND_PBIT;
- l2cap_send_srejframe(sk, tx_seq);
+ l2cap_send_srejframe(chan, tx_seq);
- del_timer(&pi->ack_timer);
+ del_timer(&chan->ack_timer);
}
return 0;
expected:
- pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
+ chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
- if (pi->conn_state & L2CAP_CONN_SREJ_SENT) {
+ if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
bt_cb(skb)->tx_seq = tx_seq;
bt_cb(skb)->sar = sar;
- __skb_queue_tail(SREJ_QUEUE(sk), skb);
+ __skb_queue_tail(&chan->srej_q, skb);
return 0;
}
- err = l2cap_push_rx_skb(sk, skb, rx_control);
+ err = l2cap_push_rx_skb(chan, skb, rx_control);
if (err < 0)
return 0;
if (rx_control & L2CAP_CTRL_FINAL) {
- if (pi->conn_state & L2CAP_CONN_REJ_ACT)
- pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ if (chan->conn_state & L2CAP_CONN_REJ_ACT)
+ chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
else
- l2cap_retransmit_frames(sk);
+ l2cap_retransmit_frames(chan);
}
__mod_ack_timer();
- pi->num_acked = (pi->num_acked + 1) % num_to_ack;
- if (pi->num_acked == num_to_ack - 1)
- l2cap_send_ack(pi);
+ chan->num_acked = (chan->num_acked + 1) % num_to_ack;
+ if (chan->num_acked == num_to_ack - 1)
+ l2cap_send_ack(chan);
return 0;
@@ -3300,165 +3374,160 @@ drop:
return 0;
}
-static inline void l2cap_data_channel_rrframe(struct sock *sk, u16 rx_control)
+static inline void l2cap_data_channel_rrframe(struct l2cap_chan *chan, u16 rx_control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
-
- BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, __get_reqseq(rx_control),
+ BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, __get_reqseq(rx_control),
rx_control);
- pi->expected_ack_seq = __get_reqseq(rx_control);
- l2cap_drop_acked_frames(sk);
+ chan->expected_ack_seq = __get_reqseq(rx_control);
+ l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_POLL) {
- pi->conn_state |= L2CAP_CONN_SEND_FBIT;
- if (pi->conn_state & L2CAP_CONN_SREJ_SENT) {
- if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
- (pi->unacked_frames > 0))
+ chan->conn_state |= L2CAP_CONN_SEND_FBIT;
+ if (chan->conn_state & L2CAP_CONN_SREJ_SENT) {
+ if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+ (chan->unacked_frames > 0))
__mod_retrans_timer();
- pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
- l2cap_send_srejtail(sk);
+ chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ l2cap_send_srejtail(chan);
} else {
- l2cap_send_i_or_rr_or_rnr(sk);
+ l2cap_send_i_or_rr_or_rnr(chan);
}
} else if (rx_control & L2CAP_CTRL_FINAL) {
- pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
- if (pi->conn_state & L2CAP_CONN_REJ_ACT)
- pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ if (chan->conn_state & L2CAP_CONN_REJ_ACT)
+ chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
else
- l2cap_retransmit_frames(sk);
+ l2cap_retransmit_frames(chan);
} else {
- if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
- (pi->unacked_frames > 0))
+ if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+ (chan->unacked_frames > 0))
__mod_retrans_timer();
- pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
- if (pi->conn_state & L2CAP_CONN_SREJ_SENT)
- l2cap_send_ack(pi);
+ chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ if (chan->conn_state & L2CAP_CONN_SREJ_SENT)
+ l2cap_send_ack(chan);
else
- l2cap_ertm_send(sk);
+ l2cap_ertm_send(chan);
}
}
-static inline void l2cap_data_channel_rejframe(struct sock *sk, u16 rx_control)
+static inline void l2cap_data_channel_rejframe(struct l2cap_chan *chan, u16 rx_control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
u8 tx_seq = __get_reqseq(rx_control);
- BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, tx_seq, rx_control);
+ BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
- pi->expected_ack_seq = tx_seq;
- l2cap_drop_acked_frames(sk);
+ chan->expected_ack_seq = tx_seq;
+ l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_FINAL) {
- if (pi->conn_state & L2CAP_CONN_REJ_ACT)
- pi->conn_state &= ~L2CAP_CONN_REJ_ACT;
+ if (chan->conn_state & L2CAP_CONN_REJ_ACT)
+ chan->conn_state &= ~L2CAP_CONN_REJ_ACT;
else
- l2cap_retransmit_frames(sk);
+ l2cap_retransmit_frames(chan);
} else {
- l2cap_retransmit_frames(sk);
+ l2cap_retransmit_frames(chan);
- if (pi->conn_state & L2CAP_CONN_WAIT_F)
- pi->conn_state |= L2CAP_CONN_REJ_ACT;
+ if (chan->conn_state & L2CAP_CONN_WAIT_F)
+ chan->conn_state |= L2CAP_CONN_REJ_ACT;
}
}
-static inline void l2cap_data_channel_srejframe(struct sock *sk, u16 rx_control)
+static inline void l2cap_data_channel_srejframe(struct l2cap_chan *chan, u16 rx_control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
u8 tx_seq = __get_reqseq(rx_control);
- BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, tx_seq, rx_control);
+ BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- pi->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
+ chan->conn_state &= ~L2CAP_CONN_REMOTE_BUSY;
if (rx_control & L2CAP_CTRL_POLL) {
- pi->expected_ack_seq = tx_seq;
- l2cap_drop_acked_frames(sk);
+ chan->expected_ack_seq = tx_seq;
+ l2cap_drop_acked_frames(chan);
- pi->conn_state |= L2CAP_CONN_SEND_FBIT;
- l2cap_retransmit_one_frame(sk, tx_seq);
+ chan->conn_state |= L2CAP_CONN_SEND_FBIT;
+ l2cap_retransmit_one_frame(chan, tx_seq);
- l2cap_ertm_send(sk);
+ l2cap_ertm_send(chan);
- if (pi->conn_state & L2CAP_CONN_WAIT_F) {
- pi->srej_save_reqseq = tx_seq;
- pi->conn_state |= L2CAP_CONN_SREJ_ACT;
+ if (chan->conn_state & L2CAP_CONN_WAIT_F) {
+ chan->srej_save_reqseq = tx_seq;
+ chan->conn_state |= L2CAP_CONN_SREJ_ACT;
}
} else if (rx_control & L2CAP_CTRL_FINAL) {
- if ((pi->conn_state & L2CAP_CONN_SREJ_ACT) &&
- pi->srej_save_reqseq == tx_seq)
- pi->conn_state &= ~L2CAP_CONN_SREJ_ACT;
+ if ((chan->conn_state & L2CAP_CONN_SREJ_ACT) &&
+ chan->srej_save_reqseq == tx_seq)
+ chan->conn_state &= ~L2CAP_CONN_SREJ_ACT;
else
- l2cap_retransmit_one_frame(sk, tx_seq);
+ l2cap_retransmit_one_frame(chan, tx_seq);
} else {
- l2cap_retransmit_one_frame(sk, tx_seq);
- if (pi->conn_state & L2CAP_CONN_WAIT_F) {
- pi->srej_save_reqseq = tx_seq;
- pi->conn_state |= L2CAP_CONN_SREJ_ACT;
+ l2cap_retransmit_one_frame(chan, tx_seq);
+ if (chan->conn_state & L2CAP_CONN_WAIT_F) {
+ chan->srej_save_reqseq = tx_seq;
+ chan->conn_state |= L2CAP_CONN_SREJ_ACT;
}
}
}
-static inline void l2cap_data_channel_rnrframe(struct sock *sk, u16 rx_control)
+static inline void l2cap_data_channel_rnrframe(struct l2cap_chan *chan, u16 rx_control)
{
- struct l2cap_pinfo *pi = l2cap_pi(sk);
u8 tx_seq = __get_reqseq(rx_control);
- BT_DBG("sk %p, req_seq %d ctrl 0x%4.4x", sk, tx_seq, rx_control);
+ BT_DBG("chan %p, req_seq %d ctrl 0x%4.4x", chan, tx_seq, rx_control);
- pi->conn_state |= L2CAP_CONN_REMOTE_BUSY;
- pi->expected_ack_seq = tx_seq;
- l2cap_drop_acked_frames(sk);
+ chan->conn_state |= L2CAP_CONN_REMOTE_BUSY;
+ chan->expected_ack_seq = tx_seq;
+ l2cap_drop_acked_frames(chan);
if (rx_control & L2CAP_CTRL_POLL)
- pi->conn_state |= L2CAP_CONN_SEND_FBIT;
+ chan->conn_state |= L2CAP_CONN_SEND_FBIT;
- if (!(pi->conn_state & L2CAP_CONN_SREJ_SENT)) {
- del_timer(&pi->retrans_timer);
+ if (!(chan->conn_state & L2CAP_CONN_SREJ_SENT)) {
+ del_timer(&chan->retrans_timer);
if (rx_control & L2CAP_CTRL_POLL)
- l2cap_send_rr_or_rnr(pi, L2CAP_CTRL_FINAL);
+ l2cap_send_rr_or_rnr(chan, L2CAP_CTRL_FINAL);
return;
}
if (rx_control & L2CAP_CTRL_POLL)
- l2cap_send_srejtail(sk);
+ l2cap_send_srejtail(chan);
else
- l2cap_send_sframe(pi, L2CAP_SUPER_RCV_READY);
+ l2cap_send_sframe(chan, L2CAP_SUPER_RCV_READY);
}
-static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, struct sk_buff *skb)
+static inline int l2cap_data_channel_sframe(struct l2cap_chan *chan, u16 rx_control, struct sk_buff *skb)
{
- BT_DBG("sk %p rx_control 0x%4.4x len %d", sk, rx_control, skb->len);
+ BT_DBG("chan %p rx_control 0x%4.4x len %d", chan, rx_control, skb->len);
if (L2CAP_CTRL_FINAL & rx_control &&
- l2cap_pi(sk)->conn_state & L2CAP_CONN_WAIT_F) {
- del_timer(&l2cap_pi(sk)->monitor_timer);
- if (l2cap_pi(sk)->unacked_frames > 0)
+ chan->conn_state & L2CAP_CONN_WAIT_F) {
+ del_timer(&chan->monitor_timer);
+ if (chan->unacked_frames > 0)
__mod_retrans_timer();
- l2cap_pi(sk)->conn_state &= ~L2CAP_CONN_WAIT_F;
+ chan->conn_state &= ~L2CAP_CONN_WAIT_F;
}
switch (rx_control & L2CAP_CTRL_SUPERVISE) {
case L2CAP_SUPER_RCV_READY:
- l2cap_data_channel_rrframe(sk, rx_control);
+ l2cap_data_channel_rrframe(chan, rx_control);
break;
case L2CAP_SUPER_REJECT:
- l2cap_data_channel_rejframe(sk, rx_control);
+ l2cap_data_channel_rejframe(chan, rx_control);
break;
case L2CAP_SUPER_SELECT_REJECT:
- l2cap_data_channel_srejframe(sk, rx_control);
+ l2cap_data_channel_srejframe(chan, rx_control);
break;
case L2CAP_SUPER_RCV_NOT_READY:
- l2cap_data_channel_rnrframe(sk, rx_control);
+ l2cap_data_channel_rnrframe(chan, rx_control);
break;
}
@@ -3468,6 +3537,7 @@ static inline int l2cap_data_channel_sframe(struct sock *sk, u16 rx_control, str
static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
{
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_pinfo *pi = l2cap_pi(sk);
u16 control;
u8 req_seq;
@@ -3492,41 +3562,41 @@ static int l2cap_ertm_data_rcv(struct sock *sk, struct sk_buff *skb)
len -= 2;
if (len > pi->mps) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
req_seq = __get_reqseq(control);
- req_seq_offset = (req_seq - pi->expected_ack_seq) % 64;
+ req_seq_offset = (req_seq - chan->expected_ack_seq) % 64;
if (req_seq_offset < 0)
req_seq_offset += 64;
next_tx_seq_offset =
- (pi->next_tx_seq - pi->expected_ack_seq) % 64;
+ (chan->next_tx_seq - chan->expected_ack_seq) % 64;
if (next_tx_seq_offset < 0)
next_tx_seq_offset += 64;
/* check for invalid req-seq */
if (req_seq_offset > next_tx_seq_offset) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
if (__is_iframe(control)) {
if (len < 0) {
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
- l2cap_data_channel_iframe(sk, control, skb);
+ l2cap_data_channel_iframe(chan, control, skb);
} else {
if (len != 0) {
BT_ERR("%d", len);
- l2cap_send_disconn_req(pi->conn, sk, ECONNRESET);
+ l2cap_send_disconn_req(pi->conn, chan, ECONNRESET);
goto drop;
}
- l2cap_data_channel_sframe(sk, control, skb);
+ l2cap_data_channel_sframe(chan, control, skb);
}
return 0;
@@ -3538,21 +3608,23 @@ drop:
static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk_buff *skb)
{
+ struct l2cap_chan *chan;
struct sock *sk;
struct l2cap_pinfo *pi;
u16 control;
u8 tx_seq;
int len;
- sk = l2cap_get_chan_by_scid(&conn->chan_list, cid);
- if (!sk) {
+ chan = l2cap_get_chan_by_scid(conn, cid);
+ if (!chan) {
BT_DBG("unknown cid 0x%4.4x", cid);
goto drop;
}
+ sk = chan->sk;
pi = l2cap_pi(sk);
- BT_DBG("sk %p, len %d", sk, skb->len);
+ BT_DBG("chan %p, len %d", chan, skb->len);
if (sk->sk_state != BT_CONNECTED)
goto drop;
@@ -3600,17 +3672,17 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
tx_seq = __get_txseq(control);
- if (pi->expected_tx_seq == tx_seq)
- pi->expected_tx_seq = (pi->expected_tx_seq + 1) % 64;
+ if (chan->expected_tx_seq == tx_seq)
+ chan->expected_tx_seq = (chan->expected_tx_seq + 1) % 64;
else
- pi->expected_tx_seq = (tx_seq + 1) % 64;
+ chan->expected_tx_seq = (tx_seq + 1) % 64;
- l2cap_streaming_reassembly_sdu(sk, skb, control);
+ l2cap_streaming_reassembly_sdu(chan, skb, control);
goto done;
default:
- BT_DBG("sk %p: bad mode 0x%2.2x", sk, pi->mode);
+ BT_DBG("chan %p: bad mode 0x%2.2x", chan, pi->mode);
break;
}
@@ -3654,6 +3726,36 @@ done:
return 0;
}
+static inline int l2cap_att_channel(struct l2cap_conn *conn, __le16 cid, struct sk_buff *skb)
+{
+ struct sock *sk;
+
+ sk = l2cap_get_sock_by_scid(0, cid, conn->src);
+ if (!sk)
+ goto drop;
+
+ bh_lock_sock(sk);
+
+ BT_DBG("sk %p, len %d", sk, skb->len);
+
+ if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
+ goto drop;
+
+ if (l2cap_pi(sk)->imtu < skb->len)
+ goto drop;
+
+ if (!sock_queue_rcv_skb(sk, skb))
+ goto done;
+
+drop:
+ kfree_skb(skb);
+
+done:
+ if (sk)
+ bh_unlock_sock(sk);
+ return 0;
+}
+
static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct l2cap_hdr *lh = (void *) skb->data;
@@ -3683,6 +3785,10 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
l2cap_conless_channel(conn, psm, skb);
break;
+ case L2CAP_CID_LE_DATA:
+ l2cap_att_channel(conn, cid, skb);
+ break;
+
default:
l2cap_data_channel(conn, cid, skb);
break;
@@ -3786,20 +3892,19 @@ static inline void l2cap_check_encryption(struct sock *sk, u8 encrypt)
static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
{
- struct l2cap_chan_list *l;
struct l2cap_conn *conn = hcon->l2cap_data;
- struct sock *sk;
+ struct l2cap_chan *chan;
if (!conn)
return 0;
- l = &conn->chan_list;
-
BT_DBG("conn %p", conn);
- read_lock(&l->lock);
+ read_lock(&conn->chan_lock);
+
+ list_for_each_entry(chan, &conn->chan_l, list) {
+ struct sock *sk = chan->sk;
- for (sk = l->head; sk; sk = l2cap_pi(sk)->next_c) {
bh_lock_sock(sk);
if (l2cap_pi(sk)->conf_state & L2CAP_CONF_CONNECT_PEND) {
@@ -3820,10 +3925,10 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
req.scid = cpu_to_le16(l2cap_pi(sk)->scid);
req.psm = l2cap_pi(sk)->psm;
- l2cap_pi(sk)->ident = l2cap_get_ident(conn);
+ chan->ident = l2cap_get_ident(conn);
l2cap_pi(sk)->conf_state |= L2CAP_CONF_CONNECT_PEND;
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
+ l2cap_send_cmd(conn, chan->ident,
L2CAP_CONN_REQ, sizeof(req), &req);
} else {
l2cap_sock_clear_timer(sk);
@@ -3846,14 +3951,14 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
+ sizeof(rsp), &rsp);
}
bh_unlock_sock(sk);
}
- read_unlock(&l->lock);
+ read_unlock(&conn->chan_lock);
return 0;
}
@@ -3872,7 +3977,7 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
if (!(flags & ACL_CONT)) {
struct l2cap_hdr *hdr;
- struct sock *sk;
+ struct l2cap_chan *chan;
u16 cid;
int len;
@@ -3910,18 +4015,21 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
goto drop;
}
- sk = l2cap_get_chan_by_scid(&conn->chan_list, cid);
+ chan = l2cap_get_chan_by_scid(conn, cid);
- if (sk && l2cap_pi(sk)->imtu < len - L2CAP_HDR_SIZE) {
- BT_ERR("Frame exceeding recv MTU (len %d, MTU %d)",
- len, l2cap_pi(sk)->imtu);
- bh_unlock_sock(sk);
- l2cap_conn_unreliable(conn, ECOMM);
- goto drop;
- }
+ if (chan && chan->sk) {
+ struct sock *sk = chan->sk;
- if (sk)
+ if (l2cap_pi(sk)->imtu < len - L2CAP_HDR_SIZE) {
+ BT_ERR("Frame exceeding recv MTU (len %d, "
+ "MTU %d)", len,
+ l2cap_pi(sk)->imtu);
+ bh_unlock_sock(sk);
+ l2cap_conn_unreliable(conn, ECOMM);
+ goto drop;
+ }
bh_unlock_sock(sk);
+ }
/* Allocate skb for the complete frame (with header) */
conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC);
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 299fe56a9668..47394a178bd5 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -269,7 +269,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
goto done;
}
- if (!l2cap_pi(sk)->psm && !l2cap_pi(sk)->dcid) {
+ if (!l2cap_pi(sk)->psm && !l2cap_pi(sk)->scid) {
bdaddr_t *src = &bt_sk(sk)->src;
u16 psm;
@@ -757,35 +757,37 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
case L2CAP_MODE_ERTM:
case L2CAP_MODE_STREAMING:
/* Entire SDU fits into one PDU */
- if (len <= pi->remote_mps) {
+ if (len <= pi->chan->remote_mps) {
control = L2CAP_SDU_UNSEGMENTED;
skb = l2cap_create_iframe_pdu(sk, msg, len, control, 0);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
goto done;
}
- __skb_queue_tail(TX_QUEUE(sk), skb);
+ __skb_queue_tail(&pi->chan->tx_q, skb);
- if (sk->sk_send_head == NULL)
- sk->sk_send_head = skb;
+ if (pi->chan->tx_send_head == NULL)
+ pi->chan->tx_send_head = skb;
} else {
/* Segment SDU into multiples PDUs */
- err = l2cap_sar_segment_sdu(sk, msg, len);
+ err = l2cap_sar_segment_sdu(pi->chan, msg, len);
if (err < 0)
goto done;
}
if (pi->mode == L2CAP_MODE_STREAMING) {
- l2cap_streaming_send(sk);
- } else {
- if ((pi->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
- (pi->conn_state & L2CAP_CONN_WAIT_F)) {
- err = len;
- break;
- }
- err = l2cap_ertm_send(sk);
+ l2cap_streaming_send(pi->chan);
+ err = len;
+ break;
+ }
+
+ if ((pi->chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
+ (pi->chan->conn_state & L2CAP_CONN_WAIT_F)) {
+ err = len;
+ break;
}
+ err = l2cap_ertm_send(pi->chan);
if (err >= 0)
err = len;
@@ -808,29 +810,7 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms
lock_sock(sk);
if (sk->sk_state == BT_CONNECT2 && bt_sk(sk)->defer_setup) {
- struct l2cap_conn_rsp rsp;
- struct l2cap_conn *conn = l2cap_pi(sk)->conn;
- u8 buf[128];
-
- sk->sk_state = BT_CONFIG;
-
- rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
- rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
- rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
- rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- l2cap_send_cmd(l2cap_pi(sk)->conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_RSP, sizeof(rsp), &rsp);
-
- if (l2cap_pi(sk)->conf_state & L2CAP_CONF_REQ_SENT) {
- release_sock(sk);
- return 0;
- }
-
- l2cap_pi(sk)->conf_state |= L2CAP_CONF_REQ_SENT;
- l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ,
- l2cap_build_conf_req(sk, buf), buf);
- l2cap_pi(sk)->num_conf_req++;
-
+ __l2cap_connect_rsp_defer(sk);
release_sock(sk);
return 0;
}
@@ -886,6 +866,7 @@ static void l2cap_sock_cleanup_listen(struct sock *parent)
void __l2cap_sock_close(struct sock *sk, int reason)
{
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
+ struct l2cap_chan *chan = l2cap_pi(sk)->chan;
BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
@@ -900,9 +881,9 @@ void __l2cap_sock_close(struct sock *sk, int reason)
sk->sk_type == SOCK_STREAM) &&
conn->hcon->type == ACL_LINK) {
l2cap_sock_set_timer(sk, sk->sk_sndtimeo);
- l2cap_send_disconn_req(conn, sk, reason);
+ l2cap_send_disconn_req(conn, chan, reason);
} else
- l2cap_chan_del(sk, reason);
+ l2cap_chan_del(chan, reason);
break;
case BT_CONNECT2:
@@ -921,16 +902,16 @@ void __l2cap_sock_close(struct sock *sk, int reason)
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
- l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
- L2CAP_CONN_RSP, sizeof(rsp), &rsp);
+ l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
+ sizeof(rsp), &rsp);
}
- l2cap_chan_del(sk, reason);
+ l2cap_chan_del(chan, reason);
break;
case BT_CONNECT:
case BT_DISCONN:
- l2cap_chan_del(sk, reason);
+ l2cap_chan_del(chan, reason);
break;
default:
@@ -1035,12 +1016,7 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent)
}
/* Default config options */
- pi->conf_len = 0;
pi->flush_to = L2CAP_DEFAULT_FLUSH_TO;
- skb_queue_head_init(TX_QUEUE(sk));
- skb_queue_head_init(SREJ_QUEUE(sk));
- skb_queue_head_init(BUSY_QUEUE(sk));
- INIT_LIST_HEAD(SREJ_LIST(sk));
}
static struct proto l2cap_proto = {
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index bf5d28da46e6..a6d191f2a0fe 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -330,6 +330,7 @@ static void rate_idx_to_bitrate(struct rate_info *rate, struct sta_info *sta, in
static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
{
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct timespec uptime;
sinfo->generation = sdata->local->sta_generation;
@@ -343,7 +344,11 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
STATION_INFO_TX_BITRATE |
STATION_INFO_RX_BITRATE |
STATION_INFO_RX_DROP_MISC |
- STATION_INFO_BSS_PARAM;
+ STATION_INFO_BSS_PARAM |
+ STATION_INFO_CONNECTED_TIME;
+
+ do_posix_clock_monotonic_gettime(&uptime);
+ sinfo->connected_time = uptime.tv_sec - sta->last_connected;
sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
sinfo->rx_bytes = sta->rx_bytes;
@@ -686,6 +691,12 @@ static void sta_apply_parameters(struct ieee80211_local *local,
if (set & BIT(NL80211_STA_FLAG_MFP))
sta->flags |= WLAN_STA_MFP;
}
+
+ if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED)) {
+ sta->flags &= ~WLAN_STA_AUTH;
+ if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
+ sta->flags |= WLAN_STA_AUTH;
+ }
spin_unlock_irqrestore(&sta->flaglock, flags);
/*
@@ -1034,26 +1045,26 @@ static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
u8 *new_ie;
const u8 *old_ie;
- /* first allocate the new vendor information element */
+ /* allocate information elements */
new_ie = NULL;
- old_ie = ifmsh->vendor_ie;
+ old_ie = ifmsh->ie;
- ifmsh->vendor_ie_len = setup->vendor_ie_len;
- if (setup->vendor_ie_len) {
- new_ie = kmemdup(setup->vendor_ie, setup->vendor_ie_len,
+ if (setup->ie_len) {
+ new_ie = kmemdup(setup->ie, setup->ie_len,
GFP_KERNEL);
if (!new_ie)
return -ENOMEM;
}
+ ifmsh->ie_len = setup->ie_len;
+ ifmsh->ie = new_ie;
+ kfree(old_ie);
/* now copy the rest of the setup parameters */
ifmsh->mesh_id_len = setup->mesh_id_len;
memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
ifmsh->mesh_pp_id = setup->path_sel_proto;
ifmsh->mesh_pm_id = setup->path_metric;
- ifmsh->vendor_ie = new_ie;
-
- kfree(old_ie);
+ ifmsh->is_secure = setup->is_secure;
return 0;
}
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c04a1396cf8d..a01d2137fddc 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -92,6 +92,31 @@ static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
}
STA_OPS(inactive_ms);
+
+static ssize_t sta_connected_time_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct sta_info *sta = file->private_data;
+ struct timespec uptime;
+ struct tm result;
+ long connected_time_secs;
+ char buf[100];
+ int res;
+ do_posix_clock_monotonic_gettime(&uptime);
+ connected_time_secs = uptime.tv_sec - sta->last_connected;
+ time_to_tm(connected_time_secs, 0, &result);
+ result.tm_year -= 70;
+ result.tm_mday -= 1;
+ res = scnprintf(buf, sizeof(buf),
+ "years - %ld\nmonths - %d\ndays - %d\nclock - %d:%d:%d\n\n",
+ result.tm_year, result.tm_mon, result.tm_mday,
+ result.tm_hour, result.tm_min, result.tm_sec);
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+STA_OPS(connected_time);
+
+
+
static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
size_t count, loff_t *ppos)
{
@@ -324,6 +349,7 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
DEBUGFS_ADD(flags);
DEBUGFS_ADD(num_ps_buf_frames);
DEBUGFS_ADD(inactive_ms);
+ DEBUGFS_ADD(connected_time);
DEBUGFS_ADD(last_seq_ctrl);
DEBUGFS_ADD(agg_status);
DEBUGFS_ADD(dev);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 9c0d62bb0ea3..00a0685f2403 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -552,4 +552,17 @@ static inline void drv_get_ringparam(struct ieee80211_local *local,
trace_drv_return_void(local);
}
+static inline bool drv_tx_frames_pending(struct ieee80211_local *local)
+{
+ bool ret = false;
+
+ might_sleep();
+
+ trace_drv_tx_frames_pending(local);
+ if (local->ops->tx_frames_pending)
+ ret = local->ops->tx_frames_pending(&local->hw);
+ trace_drv_return_bool(local, ret);
+
+ return ret;
+}
#endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 45aab80738e2..c8c934d48b7a 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -74,6 +74,21 @@ TRACE_EVENT(drv_return_int,
TP_printk(LOCAL_PR_FMT " - %d", LOCAL_PR_ARG, __entry->ret)
);
+TRACE_EVENT(drv_return_bool,
+ TP_PROTO(struct ieee80211_local *local, bool ret),
+ TP_ARGS(local, ret),
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(bool, ret)
+ ),
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->ret = ret;
+ ),
+ TP_printk(LOCAL_PR_FMT " - %s", LOCAL_PR_ARG, (__entry->ret) ?
+ "true" : "false")
+);
+
TRACE_EVENT(drv_return_u64,
TP_PROTO(struct ieee80211_local *local, u64 ret),
TP_ARGS(local, ret),
@@ -964,6 +979,11 @@ TRACE_EVENT(drv_get_ringparam,
)
);
+DEFINE_EVENT(local_only_evt, drv_tx_frames_pending,
+ TP_PROTO(struct ieee80211_local *local),
+ TP_ARGS(local)
+);
+
DEFINE_EVENT(local_only_evt, drv_offchannel_tx_cancel_wait,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local)
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 89ce1e329b5d..a77849970914 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -488,8 +488,9 @@ struct ieee80211_if_mesh {
struct mesh_config mshcfg;
u32 mesh_seqnum;
bool accepting_plinks;
- const u8 *vendor_ie;
- u8 vendor_ie_len;
+ const u8 *ie;
+ u8 ie_len;
+ bool is_secure;
};
#ifdef CONFIG_MAC80211_MESH
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index dc50fc3153e5..0ab2a8df312d 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -545,7 +545,9 @@ ieee80211_default_mgmt_stypes[NUM_NL80211_IFTYPES] = {
},
[NL80211_IFTYPE_MESH_POINT] = {
.tx = 0xffff,
- .rx = BIT(IEEE80211_STYPE_ACTION >> 4),
+ .rx = BIT(IEEE80211_STYPE_ACTION >> 4) |
+ BIT(IEEE80211_STYPE_AUTH >> 4) |
+ BIT(IEEE80211_STYPE_DEAUTH >> 4),
},
};
@@ -760,6 +762,11 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
local->hw.wiphy->interface_modes &= ~BIT(NL80211_IFTYPE_MESH_POINT);
#endif
+ /* if the underlying driver supports mesh, mac80211 will (at least)
+ * provide routing of mesh authentication frames to userspace */
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_MESH_POINT))
+ local->hw.wiphy->flags |= WIPHY_FLAG_MESH_AUTH;
+
/* mac80211 supports control port protocol changing */
local->hw.wiphy->flags |= WIPHY_FLAG_CONTROL_PORT_PROTOCOL;
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 2a57cc02c618..11207979e2e2 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -279,9 +279,9 @@ void mesh_mgmt_ies_add(struct sk_buff *skb, struct ieee80211_sub_if_data *sdata)
MESHCONF_CAPAB_ACCEPT_PLINKS : 0x00;
*pos++ = 0x00;
- if (sdata->u.mesh.vendor_ie) {
- int len = sdata->u.mesh.vendor_ie_len;
- const u8 *data = sdata->u.mesh.vendor_ie;
+ if (sdata->u.mesh.ie) {
+ int len = sdata->u.mesh.ie_len;
+ const u8 *data = sdata->u.mesh.ie;
if (skb_tailroom(skb) > len)
memcpy(skb_put(skb, len), data, len);
}
@@ -573,6 +573,10 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(mgmt->u.probe_resp.variable, len - baselen,
&elems);
+ /* ignore beacons from secure mesh peers if our security is off */
+ if (elems.rsn_len && !sdata->u.mesh.is_secure)
+ return;
+
if (elems.ds_params && elems.ds_params_len == 1)
freq = ieee80211_channel_to_frequency(elems.ds_params[0], band);
else
@@ -586,9 +590,7 @@ static void ieee80211_mesh_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
if (elems.mesh_id && elems.mesh_config &&
mesh_matches_local(&elems, sdata)) {
supp_rates = ieee80211_sta_get_rates(local, &elems, band);
-
- mesh_neighbour_update(mgmt->sa, supp_rates, sdata,
- mesh_peer_accepts_plinks(&elems));
+ mesh_neighbour_update(mgmt->sa, supp_rates, sdata, &elems);
}
}
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index b99e230fe31c..10acf1cc8082 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -226,7 +226,8 @@ void mesh_rx_path_sel_frame(struct ieee80211_sub_if_data *sdata,
int mesh_path_add(u8 *dst, struct ieee80211_sub_if_data *sdata);
/* Mesh plinks */
void mesh_neighbour_update(u8 *hw_addr, u32 rates,
- struct ieee80211_sub_if_data *sdata, bool add);
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *ie);
bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie);
void mesh_accept_plinks_update(struct ieee80211_sub_if_data *sdata);
void mesh_plink_broken(struct sta_info *sta);
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 336ca9d0c5c4..35c715adaae2 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -65,42 +65,37 @@ void mesh_table_free(struct mesh_table *tbl, bool free_leafs)
__mesh_table_free(tbl);
}
-static struct mesh_table *mesh_table_grow(struct mesh_table *tbl)
+static int mesh_table_grow(struct mesh_table *oldtbl,
+ struct mesh_table *newtbl)
{
- struct mesh_table *newtbl;
struct hlist_head *oldhash;
struct hlist_node *p, *q;
int i;
- if (atomic_read(&tbl->entries)
- < tbl->mean_chain_len * (tbl->hash_mask + 1))
- goto endgrow;
+ if (atomic_read(&oldtbl->entries)
+ < oldtbl->mean_chain_len * (oldtbl->hash_mask + 1))
+ return -EAGAIN;
- newtbl = mesh_table_alloc(tbl->size_order + 1);
- if (!newtbl)
- goto endgrow;
- newtbl->free_node = tbl->free_node;
- newtbl->mean_chain_len = tbl->mean_chain_len;
- newtbl->copy_node = tbl->copy_node;
- atomic_set(&newtbl->entries, atomic_read(&tbl->entries));
+ newtbl->free_node = oldtbl->free_node;
+ newtbl->mean_chain_len = oldtbl->mean_chain_len;
+ newtbl->copy_node = oldtbl->copy_node;
+ atomic_set(&newtbl->entries, atomic_read(&oldtbl->entries));
- oldhash = tbl->hash_buckets;
- for (i = 0; i <= tbl->hash_mask; i++)
+ oldhash = oldtbl->hash_buckets;
+ for (i = 0; i <= oldtbl->hash_mask; i++)
hlist_for_each(p, &oldhash[i])
- if (tbl->copy_node(p, newtbl) < 0)
+ if (oldtbl->copy_node(p, newtbl) < 0)
goto errcopy;
- return newtbl;
+ return 0;
errcopy:
for (i = 0; i <= newtbl->hash_mask; i++) {
hlist_for_each_safe(p, q, &newtbl->hash_buckets[i])
- tbl->free_node(p, 0);
+ oldtbl->free_node(p, 0);
}
- __mesh_table_free(newtbl);
-endgrow:
- return NULL;
+ return -ENOMEM;
}
@@ -334,10 +329,13 @@ void mesh_mpath_table_grow(void)
{
struct mesh_table *oldtbl, *newtbl;
+ newtbl = mesh_table_alloc(mesh_paths->size_order + 1);
+ if (!newtbl)
+ return;
write_lock(&pathtbl_resize_lock);
oldtbl = mesh_paths;
- newtbl = mesh_table_grow(mesh_paths);
- if (!newtbl) {
+ if (mesh_table_grow(mesh_paths, newtbl) < 0) {
+ __mesh_table_free(newtbl);
write_unlock(&pathtbl_resize_lock);
return;
}
@@ -352,10 +350,13 @@ void mesh_mpp_table_grow(void)
{
struct mesh_table *oldtbl, *newtbl;
+ newtbl = mesh_table_alloc(mpp_paths->size_order + 1);
+ if (!newtbl)
+ return;
write_lock(&pathtbl_resize_lock);
oldtbl = mpp_paths;
- newtbl = mesh_table_grow(mpp_paths);
- if (!newtbl) {
+ if (mesh_table_grow(mpp_paths, newtbl) < 0) {
+ __mesh_table_free(newtbl);
write_unlock(&pathtbl_resize_lock);
return;
}
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 44b53931ba5e..84e5b056af02 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -105,7 +105,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
if (!sta)
return NULL;
- sta->flags = WLAN_STA_AUTHORIZED;
+ sta->flags = WLAN_STA_AUTHORIZED | WLAN_STA_AUTH;
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
rate_control_rate_init(sta);
@@ -161,7 +161,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
__le16 reason) {
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 +
- sdata->u.mesh.vendor_ie_len);
+ sdata->u.mesh.ie_len);
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A };
@@ -237,8 +237,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
return 0;
}
-void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data *sdata,
- bool peer_accepting_plinks)
+void mesh_neighbour_update(u8 *hw_addr, u32 rates,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
@@ -248,8 +249,14 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data
sta = sta_info_get(sdata, hw_addr);
if (!sta) {
rcu_read_unlock();
-
- sta = mesh_plink_alloc(sdata, hw_addr, rates);
+ /* Userspace handles peer allocation when security is enabled
+ * */
+ if (sdata->u.mesh.is_secure)
+ cfg80211_notify_new_peer_candidate(sdata->dev, hw_addr,
+ elems->ie_start, elems->total_len,
+ GFP_KERNEL);
+ else
+ sta = mesh_plink_alloc(sdata, hw_addr, rates);
if (!sta)
return;
if (sta_info_insert_rcu(sta)) {
@@ -260,7 +267,8 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data
sta->last_rx = jiffies;
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN &&
+ if (mesh_peer_accepts_plinks(elems) &&
+ sta->plink_state == PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
sdata->u.mesh.mshcfg.auto_open_plinks)
mesh_plink_open(sta);
@@ -372,6 +380,9 @@ int mesh_plink_open(struct sta_info *sta)
__le16 llid;
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ if (!test_sta_flags(sta, WLAN_STA_AUTH))
+ return -EPERM;
+
spin_lock_bh(&sta->lock);
get_random_bytes(&llid, 2);
sta->llid = llid;
@@ -449,6 +460,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
mpl_dbg("Mesh plink: missing necessary peer link ie\n");
return;
}
+ if (elems.rsn_len && !sdata->u.mesh.is_secure) {
+ mpl_dbg("Mesh plink: can't establish link with secure peer\n");
+ return;
+ }
ftype = mgmt->u.action.u.plink_action.action_code;
ie_len = elems.peer_link_len;
@@ -480,6 +495,12 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return;
}
+ if (sta && !test_sta_flags(sta, WLAN_STA_AUTH)) {
+ mpl_dbg("Mesh plink: Action frame from non-authed peer\n");
+ rcu_read_unlock();
+ return;
+ }
+
if (sta && sta->plink_state == PLINK_BLOCKED) {
rcu_read_unlock();
return;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 865fed4cc18b..a41f234bd486 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -761,15 +761,16 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
(!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED))) {
netif_tx_stop_all_queues(sdata->dev);
- /*
- * Flush all the frames queued in the driver before
- * going to power save
- */
- drv_flush(local, false);
- ieee80211_send_nullfunc(local, sdata, 1);
- /* Flush once again to get the tx status of nullfunc frame */
- drv_flush(local, false);
+ if (drv_tx_frames_pending(local))
+ mod_timer(&local->dynamic_ps_timer, jiffies +
+ msecs_to_jiffies(
+ local->hw.conf.dynamic_ps_timeout));
+ else {
+ ieee80211_send_nullfunc(local, sdata, 1);
+ /* Flush to get the tx status of nullfunc frame */
+ drv_flush(local, false);
+ }
}
if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1f0b010904b8..a864890e4d03 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -143,7 +143,8 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
if (status->flag & RX_FLAG_HT) {
/*
* MCS information is a separate field in radiotap,
- * added below.
+ * added below. The byte here is needed as padding
+ * for the channel though, so initialise it to 0.
*/
*pos = 0;
} else {
@@ -502,7 +503,8 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx)
if (ieee80211_is_probe_req(hdr->frame_control) ||
ieee80211_is_probe_resp(hdr->frame_control) ||
- ieee80211_is_beacon(hdr->frame_control))
+ ieee80211_is_beacon(hdr->frame_control) ||
+ ieee80211_is_auth(hdr->frame_control))
return RX_CONTINUE;
return RX_DROP_MONITOR;
@@ -1585,7 +1587,7 @@ ieee80211_drop_unencrypted_mgmt(struct ieee80211_rx_data *rx)
}
static int
-__ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
+__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
@@ -1593,6 +1595,7 @@ __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
struct ethhdr *ehdr;
int ret;
+ *port_control = false;
if (ieee80211_has_a4(hdr->frame_control) &&
sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
return -1;
@@ -1611,11 +1614,13 @@ __ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
return -1;
ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
- if (ret < 0 || !check_port_control)
+ if (ret < 0)
return ret;
ehdr = (struct ethhdr *) rx->skb->data;
- if (ehdr->h_proto != rx->sdata->control_port_protocol)
+ if (ehdr->h_proto == rx->sdata->control_port_protocol)
+ *port_control = true;
+ else if (check_port_control)
return -1;
return 0;
@@ -1916,6 +1921,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
struct net_device *dev = sdata->dev;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
__le16 fc = hdr->frame_control;
+ bool port_control;
int err;
if (unlikely(!ieee80211_is_data(hdr->frame_control)))
@@ -1932,13 +1938,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
sdata->vif.type == NL80211_IFTYPE_AP)
return RX_DROP_MONITOR;
- err = __ieee80211_data_to_8023(rx);
+ err = __ieee80211_data_to_8023(rx, &port_control);
if (unlikely(err))
return RX_DROP_UNUSABLE;
if (!ieee80211_frame_allowed(rx, fc))
return RX_DROP_MONITOR;
+ if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ unlikely(port_control) && sdata->bss) {
+ sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
+ u.ap);
+ dev = sdata->dev;
+ rx->sdata = sdata;
+ }
+
rx->skb->dev = dev;
dev->stats.rx_packets++;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 52d4b1a695c9..a03d8a312875 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -228,6 +228,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
+ struct timespec uptime;
int i;
sta = kzalloc(sizeof(*sta) + local->hw.sta_data_size, gfp);
@@ -245,6 +246,8 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
sta->sdata = sdata;
sta->last_rx = jiffies;
+ do_posix_clock_monotonic_gettime(&uptime);
+ sta->last_connected = uptime.tv_sec;
ewma_init(&sta->avg_signal, 1024, 8);
if (sta_prepare_rate_control(local, sta, gfp)) {
@@ -609,7 +612,8 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
#endif
dev_kfree_skb(skb);
- if (skb_queue_empty(&sta->ps_tx_buf))
+ if (skb_queue_empty(&sta->ps_tx_buf) &&
+ !test_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF))
sta_info_clear_tim_bit(sta);
}
@@ -893,6 +897,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
struct ieee80211_local *local = sdata->local;
int sent, buffered;
+ clear_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF);
if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_AWAKE, &sta->sta);
@@ -985,3 +990,12 @@ void ieee80211_sta_block_awake(struct ieee80211_hw *hw,
ieee80211_queue_work(hw, &sta->drv_unblock_wk);
}
EXPORT_SYMBOL(ieee80211_sta_block_awake);
+
+void ieee80211_sta_set_tim(struct ieee80211_sta *pubsta)
+{
+ struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
+
+ set_sta_flags(sta, WLAN_STA_PS_DRIVER_BUF);
+ sta_info_set_tim_bit(sta);
+}
+EXPORT_SYMBOL(ieee80211_sta_set_tim);
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 87b18ba1e0e9..aa0adcbf3a93 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -43,6 +43,8 @@
* be in the queues
* @WLAN_STA_PSPOLL: Station sent PS-poll while driver was keeping
* station in power-save mode, reply when the driver unblocks.
+ * @WLAN_STA_PS_DRIVER_BUF: Station has frames pending in driver internal
+ * buffers. Automatically cleared on station wake-up.
*/
enum ieee80211_sta_info_flags {
WLAN_STA_AUTH = 1<<0,
@@ -58,6 +60,7 @@ enum ieee80211_sta_info_flags {
WLAN_STA_BLOCK_BA = 1<<11,
WLAN_STA_PS_DRIVER = 1<<12,
WLAN_STA_PSPOLL = 1<<13,
+ WLAN_STA_PS_DRIVER_BUF = 1<<14,
};
#define STA_TID_NUM 16
@@ -226,6 +229,7 @@ enum plink_state {
* @rx_bytes: Number of bytes received from this STA
* @wep_weak_iv_count: number of weak WEP IVs received from this station
* @last_rx: time (in jiffies) when last frame was received from this STA
+ * @last_connected: time (in seconds) when a station got connected
* @num_duplicates: number of duplicate frames received from this STA
* @rx_fragments: number of received MPDUs
* @rx_dropped: number of dropped MPDUs from this STA
@@ -295,6 +299,7 @@ struct sta_info {
unsigned long rx_packets, rx_bytes;
unsigned long wep_weak_iv_count;
unsigned long last_rx;
+ long last_connected;
unsigned long num_duplicates;
unsigned long rx_fragments;
unsigned long rx_dropped;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ce4596ed1268..17b10be31f55 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2262,7 +2262,7 @@ struct sk_buff *ieee80211_beacon_get_tim(struct ieee80211_hw *hw,
/* headroom, head length, tail length and maximum TIM length */
skb = dev_alloc_skb(local->tx_headroom + 400 +
- sdata->u.mesh.vendor_ie_len);
+ sdata->u.mesh.ie_len);
if (!skb)
goto out;
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
index 7fce6dfd2180..48464ca13b24 100644
--- a/net/rfkill/Kconfig
+++ b/net/rfkill/Kconfig
@@ -22,3 +22,14 @@ config RFKILL_INPUT
depends on RFKILL
depends on INPUT = y || RFKILL = INPUT
default y if !EXPERT
+
+config RFKILL_REGULATOR
+ tristate "Generic rfkill regulator driver"
+ depends on RFKILL || !RFKILL
+ depends on REGULATOR
+ help
+ This options enable controlling radio transmitters connected to
+ voltage regulator using the regulator framework.
+
+ To compile this driver as a module, choose M here: the module will
+ be called rfkill-regulator.
diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile
index 662105352691..d9a5a58ffd8c 100644
--- a/net/rfkill/Makefile
+++ b/net/rfkill/Makefile
@@ -5,3 +5,4 @@
rfkill-y += core.o
rfkill-$(CONFIG_RFKILL_INPUT) += input.o
obj-$(CONFIG_RFKILL) += rfkill.o
+obj-$(CONFIG_RFKILL_REGULATOR) += rfkill-regulator.o
diff --git a/net/rfkill/rfkill-regulator.c b/net/rfkill/rfkill-regulator.c
new file mode 100644
index 000000000000..18dc512a10f3
--- /dev/null
+++ b/net/rfkill/rfkill-regulator.c
@@ -0,0 +1,164 @@
+/*
+ * rfkill-regulator.c - Regulator consumer driver for rfkill
+ *
+ * Copyright (C) 2009 Guiming Zhuo <gmzhuo@gmail.com>
+ * Copyright (C) 2011 Antonio Ospite <ospite@studenti.unina.it>
+ *
+ * Implementation inspired by leds-regulator driver.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/rfkill.h>
+#include <linux/rfkill-regulator.h>
+
+struct rfkill_regulator_data {
+ struct rfkill *rf_kill;
+ bool reg_enabled;
+
+ struct regulator *vcc;
+};
+
+static int rfkill_regulator_set_block(void *data, bool blocked)
+{
+ struct rfkill_regulator_data *rfkill_data = data;
+
+ pr_debug("%s: blocked: %d\n", __func__, blocked);
+
+ if (blocked) {
+ if (rfkill_data->reg_enabled) {
+ regulator_disable(rfkill_data->vcc);
+ rfkill_data->reg_enabled = 0;
+ }
+ } else {
+ if (!rfkill_data->reg_enabled) {
+ regulator_enable(rfkill_data->vcc);
+ rfkill_data->reg_enabled = 1;
+ }
+ }
+
+ pr_debug("%s: regulator_is_enabled after set_block: %d\n", __func__,
+ regulator_is_enabled(rfkill_data->vcc));
+
+ return 0;
+}
+
+struct rfkill_ops rfkill_regulator_ops = {
+ .set_block = rfkill_regulator_set_block,
+};
+
+static int __devinit rfkill_regulator_probe(struct platform_device *pdev)
+{
+ struct rfkill_regulator_platform_data *pdata = pdev->dev.platform_data;
+ struct rfkill_regulator_data *rfkill_data;
+ struct regulator *vcc;
+ struct rfkill *rf_kill;
+ int ret = 0;
+
+ if (pdata == NULL) {
+ dev_err(&pdev->dev, "no platform data\n");
+ return -ENODEV;
+ }
+
+ if (pdata->name == NULL || pdata->type == 0) {
+ dev_err(&pdev->dev, "invalid name or type in platform data\n");
+ return -EINVAL;
+ }
+
+ vcc = regulator_get_exclusive(&pdev->dev, "vrfkill");
+ if (IS_ERR(vcc)) {
+ dev_err(&pdev->dev, "Cannot get vcc for %s\n", pdata->name);
+ ret = PTR_ERR(vcc);
+ goto out;
+ }
+
+ rfkill_data = kzalloc(sizeof(*rfkill_data), GFP_KERNEL);
+ if (rfkill_data == NULL) {
+ ret = -ENOMEM;
+ goto err_data_alloc;
+ }
+
+ rf_kill = rfkill_alloc(pdata->name, &pdev->dev,
+ pdata->type,
+ &rfkill_regulator_ops, rfkill_data);
+ if (rf_kill == NULL) {
+ dev_err(&pdev->dev, "Cannot alloc rfkill device\n");
+ ret = -ENOMEM;
+ goto err_rfkill_alloc;
+ }
+
+ if (regulator_is_enabled(vcc)) {
+ dev_dbg(&pdev->dev, "Regulator already enabled\n");
+ rfkill_data->reg_enabled = 1;
+ }
+ rfkill_data->vcc = vcc;
+ rfkill_data->rf_kill = rf_kill;
+
+ ret = rfkill_register(rf_kill);
+ if (ret) {
+ dev_err(&pdev->dev, "Cannot register rfkill device\n");
+ goto err_rfkill_register;
+ }
+
+ platform_set_drvdata(pdev, rfkill_data);
+ dev_info(&pdev->dev, "%s initialized\n", pdata->name);
+
+ return 0;
+
+err_rfkill_register:
+ rfkill_destroy(rf_kill);
+err_rfkill_alloc:
+ kfree(rfkill_data);
+err_data_alloc:
+ regulator_put(vcc);
+out:
+ return ret;
+}
+
+static int __devexit rfkill_regulator_remove(struct platform_device *pdev)
+{
+ struct rfkill_regulator_data *rfkill_data = platform_get_drvdata(pdev);
+ struct rfkill *rf_kill = rfkill_data->rf_kill;
+
+ rfkill_unregister(rf_kill);
+ rfkill_destroy(rf_kill);
+ regulator_put(rfkill_data->vcc);
+ kfree(rfkill_data);
+
+ return 0;
+}
+
+static struct platform_driver rfkill_regulator_driver = {
+ .probe = rfkill_regulator_probe,
+ .remove = __devexit_p(rfkill_regulator_remove),
+ .driver = {
+ .name = "rfkill-regulator",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init rfkill_regulator_init(void)
+{
+ return platform_driver_register(&rfkill_regulator_driver);
+}
+module_init(rfkill_regulator_init);
+
+static void __exit rfkill_regulator_exit(void)
+{
+ platform_driver_unregister(&rfkill_regulator_driver);
+}
+module_exit(rfkill_regulator_exit);
+
+MODULE_AUTHOR("Guiming Zhuo <gmzhuo@gmail.com>");
+MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
+MODULE_DESCRIPTION("Regulator consumer driver for rfkill");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rfkill-regulator");
diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
index 73e39c171ffb..5c116083eeca 100644
--- a/net/wireless/mesh.c
+++ b/net/wireless/mesh.c
@@ -1,5 +1,6 @@
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
+#include "nl80211.h"
#include "core.h"
/* Default values, timeouts in ms */
@@ -53,8 +54,9 @@ const struct mesh_config default_mesh_config = {
const struct mesh_setup default_mesh_setup = {
.path_sel_proto = IEEE80211_PATH_PROTOCOL_HWMP,
.path_metric = IEEE80211_PATH_METRIC_AIRTIME,
- .vendor_ie = NULL,
- .vendor_ie_len = 0,
+ .ie = NULL,
+ .ie_len = 0,
+ .is_secure = false,
};
int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
@@ -72,6 +74,10 @@ int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT)
return -EOPNOTSUPP;
+ if (!(rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) &&
+ setup->is_secure)
+ return -EOPNOTSUPP;
+
if (wdev->mesh_id_len)
return -EALREADY;
@@ -105,6 +111,19 @@ int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
return err;
}
+void cfg80211_notify_new_peer_candidate(struct net_device *dev,
+ const u8 *macaddr, const u8* ie, u8 ie_len, gfp_t gfp)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT))
+ return;
+
+ nl80211_send_new_peer_candidate(wiphy_to_dev(wdev->wiphy), dev,
+ macaddr, ie, ie_len, gfp);
+}
+EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate);
+
static int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
struct net_device *dev)
{
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 297d7ce4117b..0efa7fd01150 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -124,6 +124,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 },
[NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED },
+ [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG },
[NL80211_ATTR_HT_CAPABILITY] = { .type = NLA_BINARY,
.len = NL80211_HT_CAPABILITY_LEN },
@@ -594,6 +595,8 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
if (dev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)
NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_IBSS_RSN);
+ if (dev->wiphy.flags & WIPHY_FLAG_MESH_AUTH)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_SUPPORT_MESH_AUTH);
NLA_PUT(msg, NL80211_ATTR_CIPHER_SUITES,
sizeof(u32) * dev->wiphy.n_cipher_suites,
@@ -1922,6 +1925,7 @@ static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
[NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
[NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
[NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG },
+ [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG },
};
static int parse_station_flags(struct genl_info *info,
@@ -2016,6 +2020,9 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
if (!sinfoattr)
goto nla_put_failure;
+ if (sinfo->filled & STATION_INFO_CONNECTED_TIME)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_CONNECTED_TIME,
+ sinfo->connected_time);
if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
sinfo->inactive_time);
@@ -2281,7 +2288,9 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
err = -EINVAL;
if (params.supported_rates)
err = -EINVAL;
- if (params.sta_flags_mask)
+ if (params.sta_flags_mask &
+ ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) |
+ BIT(NL80211_STA_FLAG_AUTHORIZED)))
err = -EINVAL;
break;
default:
@@ -2343,11 +2352,16 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
params.ht_capa =
nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
+ if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
+ params.plink_action =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+
if (parse_station_flags(info, &params))
return -EINVAL;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
+ dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EINVAL;
@@ -2823,7 +2837,8 @@ static const struct nla_policy
nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = {
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 },
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 },
- [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE] = { .type = NLA_BINARY,
+ [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG },
+ [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_DATA_LEN },
};
@@ -2925,14 +2940,16 @@ static int nl80211_parse_mesh_setup(struct genl_info *info,
IEEE80211_PATH_METRIC_VENDOR :
IEEE80211_PATH_METRIC_AIRTIME;
- if (tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE]) {
+
+ if (tb[NL80211_MESH_SETUP_IE]) {
struct nlattr *ieattr =
- tb[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE];
+ tb[NL80211_MESH_SETUP_IE];
if (!is_valid_ie_attr(ieattr))
return -EINVAL;
- setup->vendor_ie = nla_data(ieattr);
- setup->vendor_ie_len = nla_len(ieattr);
+ setup->ie = nla_data(ieattr);
+ setup->ie_len = nla_len(ieattr);
}
+ setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]);
return 0;
}
@@ -5804,6 +5821,44 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
nlmsg_free(msg);
}
+void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *macaddr, const u8* ie, u8 ie_len,
+ gfp_t gfp)
+{
+ struct sk_buff *msg;
+ void *hdr;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+ if (!msg)
+ return;
+
+ hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE);
+ if (!hdr) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, macaddr);
+ if (ie_len && ie)
+ NLA_PUT(msg, NL80211_ATTR_IE, ie_len , ie);
+
+ if (genlmsg_end(msg, hdr) < 0) {
+ nlmsg_free(msg);
+ return;
+ }
+
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
+ return;
+
+ nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ nlmsg_free(msg);
+}
+
void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
enum nl80211_key_type key_type, int key_id,
diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h
index dcac5cd6f017..f2af6955a665 100644
--- a/net/wireless/nl80211.h
+++ b/net/wireless/nl80211.h
@@ -50,6 +50,10 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
struct net_device *netdev, u16 reason,
const u8 *ie, size_t ie_len, bool from_ap);
+void nl80211_send_new_peer_candidate(struct cfg80211_registered_device *rdev,
+ struct net_device *netdev,
+ const u8 *macaddr, const u8* ie, u8 ie_len,
+ gfp_t gfp);
void
nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
struct net_device *netdev, const u8 *addr,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.