}
/* ---- Socket interface ---- */
-static struct sock *__l2cap_get_sock_by_addr(u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
{
struct sock *sk;
struct hlist_node *node;
/* Find socket with psm and source bdaddr.
* Returns closest match.
*/
-static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
/* Find socket with given address (psm, src).
* Returns locked socket */
-static inline struct sock *l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
+static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
{
struct sock *s;
read_lock(&l2cap_sk_list.lock);
}
/* Default config options */
+ pi->conf_len = 0;
pi->conf_mtu = L2CAP_DEFAULT_MTU;
pi->flush_to = L2CAP_DEFAULT_FLUSH_TO;
}
.obj_size = sizeof(struct l2cap_pinfo)
};
-static struct sock *l2cap_sock_alloc(struct socket *sock, int proto, gfp_t prio)
+static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio)
{
struct sock *sk;
- sk = sk_alloc(PF_BLUETOOTH, prio, &l2cap_proto, 1);
+ sk = sk_alloc(net, PF_BLUETOOTH, prio, &l2cap_proto, 1);
if (!sk)
return NULL;
return sk;
}
-static int l2cap_sock_create(struct socket *sock, int protocol)
+static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
sock->ops = &l2cap_sock_ops;
- sk = l2cap_sock_alloc(sock, protocol, GFP_ATOMIC);
+ sk = l2cap_sock_alloc(net, sock, protocol, GFP_ATOMIC);
if (!sk)
return -ENOMEM;
goto done;
}
- if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
+ if (la->l2_psm && btohs(la->l2_psm) < 0x1001 &&
!capable(CAP_NET_BIND_SERVICE)) {
err = -EACCES;
goto done;
write_lock_bh(&l2cap_sk_list.lock);
for (psm = 0x1001; psm < 0x1100; psm += 2)
- if (!__l2cap_get_sock_by_addr(psm, src)) {
+ if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
l2cap_pi(sk)->psm = htobs(psm);
l2cap_pi(sk)->sport = htobs(psm);
err = 0;
lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
if (sk->sk_type == SOCK_DGRAM)
- put_unaligned(l2cap_pi(sk)->psm, (u16 *) skb_put(skb, 2));
+ put_unaligned(l2cap_pi(sk)->psm, (__le16 *) skb_put(skb, 2));
if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count)) {
err = -EFAULT;
break;
case 2:
- *val = __le16_to_cpu(*((u16 *)opt->val));
+ *val = __le16_to_cpu(*((__le16 *)opt->val));
break;
case 4:
- *val = __le32_to_cpu(*((u32 *)opt->val));
+ *val = __le32_to_cpu(*((__le32 *)opt->val));
break;
default:
return len;
}
-static inline void l2cap_parse_conf_req(struct sock *sk, void *data, int len)
-{
- int type, hint, olen;
- unsigned long val;
- void *ptr = data;
-
- BT_DBG("sk %p len %d", sk, len);
-
- while (len >= L2CAP_CONF_OPT_SIZE) {
- len -= l2cap_get_conf_opt(&ptr, &type, &olen, &val);
-
- hint = type & 0x80;
- type &= 0x7f;
-
- switch (type) {
- case L2CAP_CONF_MTU:
- l2cap_pi(sk)->conf_mtu = val;
- break;
-
- case L2CAP_CONF_FLUSH_TO:
- l2cap_pi(sk)->flush_to = val;
- break;
-
- case L2CAP_CONF_QOS:
- break;
-
- default:
- if (hint)
- break;
-
- /* FIXME: Reject unknown option */
- break;
- }
- }
-}
-
static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
{
struct l2cap_conf_opt *opt = *ptr;
break;
case 2:
- *((u16 *) opt->val) = cpu_to_le16(val);
+ *((__le16 *) opt->val) = cpu_to_le16(val);
break;
case 4:
- *((u32 *) opt->val) = cpu_to_le32(val);
+ *((__le32 *) opt->val) = cpu_to_le32(val);
break;
default:
return ptr - data;
}
-static inline int l2cap_conf_output(struct sock *sk, void **ptr)
+static int l2cap_parse_conf_req(struct sock *sk, void *data)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
- int result = 0;
+ struct l2cap_conf_rsp *rsp = data;
+ void *ptr = rsp->data;
+ void *req = pi->conf_req;
+ int len = pi->conf_len;
+ int type, hint, olen;
+ unsigned long val;
+ u16 result = L2CAP_CONF_SUCCESS;
- /* Configure output options and let the other side know
- * which ones we don't like. */
- if (pi->conf_mtu < pi->omtu)
- result = L2CAP_CONF_UNACCEPT;
- else
- pi->omtu = pi->conf_mtu;
+ BT_DBG("sk %p", sk);
+
+ while (len >= L2CAP_CONF_OPT_SIZE) {
+ len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
- l2cap_add_conf_opt(ptr, L2CAP_CONF_MTU, 2, pi->omtu);
+ hint = type & 0x80;
+ type &= 0x7f;
+
+ switch (type) {
+ case L2CAP_CONF_MTU:
+ pi->conf_mtu = val;
+ break;
+
+ case L2CAP_CONF_FLUSH_TO:
+ pi->flush_to = val;
+ break;
+
+ case L2CAP_CONF_QOS:
+ break;
+
+ default:
+ if (hint)
+ break;
+
+ result = L2CAP_CONF_UNKNOWN;
+ *((u8 *) ptr++) = type;
+ break;
+ }
+ }
+
+ if (result == L2CAP_CONF_SUCCESS) {
+ /* Configure output options and let the other side know
+ * which ones we don't like. */
+
+ if (pi->conf_mtu < pi->omtu)
+ result = L2CAP_CONF_UNACCEPT;
+ else
+ pi->omtu = pi->conf_mtu;
+
+ l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->omtu);
+ }
- BT_DBG("sk %p result %d", sk, result);
- return result;
+ rsp->scid = cpu_to_le16(pi->dcid);
+ rsp->result = cpu_to_le16(result);
+ rsp->flags = cpu_to_le16(0x0000);
+
+ return ptr - data;
}
-static int l2cap_build_conf_rsp(struct sock *sk, void *data, int *result)
+static int l2cap_build_conf_rsp(struct sock *sk, void *data, u16 result, u16 flags)
{
struct l2cap_conf_rsp *rsp = data;
void *ptr = rsp->data;
- u16 flags = 0;
-
- BT_DBG("sk %p complete %d", sk, result ? 1 : 0);
- if (result)
- *result = l2cap_conf_output(sk, &ptr);
- else
- flags = 0x0001;
+ BT_DBG("sk %p", sk);
rsp->scid = cpu_to_le16(l2cap_pi(sk)->dcid);
- rsp->result = cpu_to_le16(result ? *result : 0);
+ rsp->result = cpu_to_le16(result);
rsp->flags = cpu_to_le16(flags);
return ptr - data;
int result = 0, status = 0;
u16 dcid = 0, scid = __le16_to_cpu(req->scid);
- u16 psm = req->psm;
+ __le16 psm = req->psm;
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
goto response;
}
- sk = l2cap_sock_alloc(NULL, BTPROTO_L2CAP, GFP_ATOMIC);
+ sk = l2cap_sock_alloc(parent->sk_net, NULL, BTPROTO_L2CAP, GFP_ATOMIC);
if (!sk)
goto response;
return 0;
}
-static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
+static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data)
{
struct l2cap_conf_req *req = (struct l2cap_conf_req *) data;
u16 dcid, flags;
u8 rsp[64];
struct sock *sk;
- int result;
+ int len;
dcid = __le16_to_cpu(req->dcid);
flags = __le16_to_cpu(req->flags);
if (sk->sk_state == BT_DISCONN)
goto unlock;
- l2cap_parse_conf_req(sk, req->data, cmd->len - sizeof(*req));
+ /* 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)) {
+ l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
+ l2cap_build_conf_rsp(sk, rsp,
+ L2CAP_CONF_REJECT, flags), rsp);
+ goto unlock;
+ }
+
+ /* Store config. */
+ memcpy(l2cap_pi(sk)->conf_req + l2cap_pi(sk)->conf_len, req->data, len);
+ l2cap_pi(sk)->conf_len += len;
if (flags & 0x0001) {
/* Incomplete config. Send empty response. */
l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(sk, rsp, NULL), rsp);
+ l2cap_build_conf_rsp(sk, rsp,
+ L2CAP_CONF_SUCCESS, 0x0001), rsp);
goto unlock;
}
/* Complete config. */
- l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP,
- l2cap_build_conf_rsp(sk, rsp, &result), rsp);
-
- if (result)
+ len = l2cap_parse_conf_req(sk, rsp);
+ if (len < 0)
goto unlock;
- /* Output config done */
+ l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp);
+
+ /* Output config done. */
l2cap_pi(sk)->conf_state |= L2CAP_CONF_OUTPUT_DONE;
+ /* Reset config buffer. */
+ l2cap_pi(sk)->conf_len = 0;
+
if (l2cap_pi(sk)->conf_state & L2CAP_CONF_INPUT_DONE) {
sk->sk_state = BT_CONNECTED;
l2cap_chan_ready(sk);
l2cap_raw_recv(conn, skb);
while (len >= L2CAP_CMD_HDR_SIZE) {
+ u16 cmd_len;
memcpy(&cmd, data, L2CAP_CMD_HDR_SIZE);
data += L2CAP_CMD_HDR_SIZE;
len -= L2CAP_CMD_HDR_SIZE;
- cmd.len = __le16_to_cpu(cmd.len);
+ cmd_len = le16_to_cpu(cmd.len);
- BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd.len, cmd.ident);
+ BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, cmd.ident);
- if (cmd.len > len || !cmd.ident) {
+ if (cmd_len > len || !cmd.ident) {
BT_DBG("corrupted command");
break;
}
break;
case L2CAP_CONF_REQ:
- err = l2cap_config_req(conn, &cmd, data);
+ err = l2cap_config_req(conn, &cmd, cmd_len, data);
break;
case L2CAP_CONF_RSP:
break;
case L2CAP_ECHO_REQ:
- l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd.len, data);
+ l2cap_send_cmd(conn, cmd.ident, L2CAP_ECHO_RSP, cmd_len, data);
break;
case L2CAP_ECHO_RSP:
l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
}
- data += cmd.len;
- len -= cmd.len;
+ data += cmd_len;
+ len -= cmd_len;
}
kfree_skb(skb);
return 0;
}
-static inline int l2cap_conless_channel(struct l2cap_conn *conn, u16 psm, struct sk_buff *skb)
+static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
{
struct sock *sk;
static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct l2cap_hdr *lh = (void *) skb->data;
- u16 cid, psm, len;
+ u16 cid, len;
+ __le16 psm;
skb_pull(skb, L2CAP_HDR_SIZE);
cid = __le16_to_cpu(lh->cid);
break;
case 0x0002:
- psm = get_unaligned((u16 *) skb->data);
+ psm = get_unaligned((__le16 *) skb->data);
skb_pull(skb, 2);
l2cap_conless_channel(conn, psm, skb);
break;
projects / linux-2.6-omap-h63xx.git / blobdiff