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[BLUETOOTH] l2cap: endianness annotations
no code changes, just documenting existing types Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro
David S. Miller
parent
6dc0c2082b
commit
8e036fc314
@ -34,7 +34,7 @@
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/* L2CAP socket address */
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struct sockaddr_l2 {
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sa_family_t l2_family;
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unsigned short l2_psm;
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__le16 l2_psm;
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bdaddr_t l2_bdaddr;
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};
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@ -76,32 +76,32 @@ struct l2cap_conninfo {
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/* L2CAP structures */
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struct l2cap_hdr {
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__u16 len;
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__u16 cid;
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__le16 len;
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__le16 cid;
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} __attribute__ ((packed));
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#define L2CAP_HDR_SIZE 4
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struct l2cap_cmd_hdr {
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__u8 code;
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__u8 ident;
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__u16 len;
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__le16 len;
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} __attribute__ ((packed));
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#define L2CAP_CMD_HDR_SIZE 4
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struct l2cap_cmd_rej {
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__u16 reason;
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__le16 reason;
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} __attribute__ ((packed));
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struct l2cap_conn_req {
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__u16 psm;
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__u16 scid;
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__le16 psm;
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__le16 scid;
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} __attribute__ ((packed));
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struct l2cap_conn_rsp {
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__u16 dcid;
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__u16 scid;
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__u16 result;
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__u16 status;
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__le16 dcid;
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__le16 scid;
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__le16 result;
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__le16 status;
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} __attribute__ ((packed));
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/* connect result */
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@ -117,15 +117,15 @@ struct l2cap_conn_rsp {
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#define L2CAP_CS_AUTHOR_PEND 0x0002
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struct l2cap_conf_req {
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__u16 dcid;
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__u16 flags;
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__le16 dcid;
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__le16 flags;
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__u8 data[0];
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} __attribute__ ((packed));
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struct l2cap_conf_rsp {
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__u16 scid;
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__u16 flags;
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__u16 result;
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__le16 scid;
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__le16 flags;
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__le16 result;
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__u8 data[0];
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} __attribute__ ((packed));
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@ -149,23 +149,23 @@ struct l2cap_conf_opt {
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#define L2CAP_CONF_MAX_SIZE 22
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struct l2cap_disconn_req {
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__u16 dcid;
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__u16 scid;
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__le16 dcid;
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__le16 scid;
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} __attribute__ ((packed));
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struct l2cap_disconn_rsp {
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__u16 dcid;
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__u16 scid;
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__le16 dcid;
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__le16 scid;
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} __attribute__ ((packed));
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struct l2cap_info_req {
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__u16 type;
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__le16 type;
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__u8 data[0];
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} __attribute__ ((packed));
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struct l2cap_info_rsp {
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__u16 type;
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__u16 result;
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__le16 type;
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__le16 result;
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__u8 data[0];
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} __attribute__ ((packed));
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@ -207,7 +207,7 @@ struct l2cap_conn {
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struct l2cap_pinfo {
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struct bt_sock bt;
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__u16 psm;
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__le16 psm;
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__u16 dcid;
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__u16 scid;
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@ -225,7 +225,7 @@ struct l2cap_pinfo {
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__u8 ident;
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__u16 sport;
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__le16 sport;
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struct l2cap_conn *conn;
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struct sock *next_c;
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@ -353,7 +353,7 @@ static inline int l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16
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}
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/* ---- Socket interface ---- */
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static struct sock *__l2cap_get_sock_by_addr(u16 psm, bdaddr_t *src)
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static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
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{
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struct sock *sk;
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struct hlist_node *node;
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@ -368,7 +368,7 @@ found:
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/* Find socket with psm and source bdaddr.
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* Returns closest match.
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*/
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static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
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static struct sock *__l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
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{
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struct sock *sk = NULL, *sk1 = NULL;
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struct hlist_node *node;
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@ -392,7 +392,7 @@ static struct sock *__l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
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/* Find socket with given address (psm, src).
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* Returns locked socket */
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static inline struct sock *l2cap_get_sock_by_psm(int state, u16 psm, bdaddr_t *src)
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static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
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{
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struct sock *s;
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read_lock(&l2cap_sk_list.lock);
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@ -586,7 +586,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_
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goto done;
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}
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if (la->l2_psm > 0 && btohs(la->l2_psm) < 0x1001 &&
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if (la->l2_psm && btohs(la->l2_psm) < 0x1001 &&
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!capable(CAP_NET_BIND_SERVICE)) {
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err = -EACCES;
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goto done;
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@ -873,7 +873,7 @@ static inline int l2cap_do_send(struct sock *sk, struct msghdr *msg, int len)
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lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
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if (sk->sk_type == SOCK_DGRAM)
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put_unaligned(l2cap_pi(sk)->psm, (u16 *) skb_put(skb, 2));
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put_unaligned(l2cap_pi(sk)->psm, (__le16 *) skb_put(skb, 2));
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if (memcpy_fromiovec(skb_put(skb, count), msg->msg_iov, count)) {
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err = -EFAULT;
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@ -1256,11 +1256,11 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned
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break;
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case 2:
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*val = __le16_to_cpu(*((u16 *)opt->val));
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*val = __le16_to_cpu(*((__le16 *)opt->val));
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break;
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case 4:
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*val = __le32_to_cpu(*((u32 *)opt->val));
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*val = __le32_to_cpu(*((__le32 *)opt->val));
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break;
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default:
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@ -1287,11 +1287,11 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val)
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break;
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case 2:
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*((u16 *) opt->val) = cpu_to_le16(val);
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*((__le16 *) opt->val) = cpu_to_le16(val);
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break;
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case 4:
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*((u32 *) opt->val) = cpu_to_le32(val);
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*((__le32 *) opt->val) = cpu_to_le32(val);
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break;
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default:
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@ -1406,7 +1406,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
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int result = 0, status = 0;
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u16 dcid = 0, scid = __le16_to_cpu(req->scid);
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u16 psm = req->psm;
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__le16 psm = req->psm;
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BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
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@ -1863,7 +1863,7 @@ done:
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return 0;
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}
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static inline int l2cap_conless_channel(struct l2cap_conn *conn, u16 psm, struct sk_buff *skb)
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static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
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{
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struct sock *sk;
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@ -1893,7 +1893,8 @@ done:
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static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
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{
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struct l2cap_hdr *lh = (void *) skb->data;
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u16 cid, psm, len;
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u16 cid, len;
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__le16 psm;
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skb_pull(skb, L2CAP_HDR_SIZE);
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cid = __le16_to_cpu(lh->cid);
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@ -1907,7 +1908,7 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
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break;
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case 0x0002:
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psm = get_unaligned((u16 *) skb->data);
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psm = get_unaligned((__le16 *) skb->data);
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skb_pull(skb, 2);
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l2cap_conless_channel(conn, psm, skb);
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break;
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