What about that?
On Sat, Feb 28, 2009 at 7:04 PM, Gustavo F. Padovan
<gustavo@xxxxxxxxxxxxxxxxx> wrote:
> Use macros instead of hardcoded numbers to get a code more readable.
>
> Signed-off-by: Gustavo F. Padovan <gustavo@xxxxxxxxxxxxxxxxx>
> ---
> include/net/bluetooth/l2cap.h | 6 ++++++
> net/bluetooth/l2cap.c | 18 +++++++++---------
> 2 files changed, 15 insertions(+), 9 deletions(-)
>
> diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
> index f566aa1..ed4ba91 100644
> --- a/include/net/bluetooth/l2cap.h
> +++ b/include/net/bluetooth/l2cap.h
> @@ -106,6 +106,12 @@ struct l2cap_conn_rsp {
> __le16 status;
> } __attribute__ ((packed));
>
> +/* channel indentifier */
> +#define L2CAP_CID_SIGNALING 0x0001
> +#define L2CAP_CID_CONN_LESS 0x0002
> +#define L2CAP_CID_DYN_START 0x0040
> +#define L2CAP_CID_DYN_END 0xffff
> +
> /* connect result */
> #define L2CAP_CR_SUCCESS 0x0000
> #define L2CAP_CR_PEND 0x0001
> diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
> index ca4d3b4..ff1744e 100644
> --- a/net/bluetooth/l2cap.c
> +++ b/net/bluetooth/l2cap.c
> @@ -161,9 +161,9 @@ static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8
>
> static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
> {
> - u16 cid = 0x0040;
> + u16 cid = L2CAP_CID_DYN_START;
>
> - for (; cid < 0xffff; cid++) {
> + for (; cid < L2CAP_CID_DYN_END; cid++) {
> if(!__l2cap_get_chan_by_scid(l, cid))
> return cid;
> }
> @@ -215,13 +215,13 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
> l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
> } else if (sk->sk_type == SOCK_DGRAM) {
> /* Connectionless socket */
> - l2cap_pi(sk)->scid = 0x0002;
> - l2cap_pi(sk)->dcid = 0x0002;
> + l2cap_pi(sk)->scid = L2CAP_CID_CONN_LESS;
> + l2cap_pi(sk)->dcid = L2CAP_CID_CONN_LESS;
> l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
> } else {
> /* Raw socket can send/recv signalling messages only */
> - l2cap_pi(sk)->scid = 0x0001;
> - l2cap_pi(sk)->dcid = 0x0001;
> + l2cap_pi(sk)->scid = L2CAP_CID_SIGNALING;
> + l2cap_pi(sk)->dcid = L2CAP_CID_SIGNALING;
> l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
> }
>
> @@ -1598,7 +1598,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
>
> lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
> lh->len = cpu_to_le16(L2CAP_CMD_HDR_SIZE + dlen);
> - lh->cid = cpu_to_le16(0x0001);
> + lh->cid = cpu_to_le16(L2CAP_CID_SIGNALING);
>
> cmd = (struct l2cap_cmd_hdr *) skb_put(skb, L2CAP_CMD_HDR_SIZE);
> cmd->code = code;
> @@ -2420,11 +2420,11 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
> BT_DBG("len %d, cid 0x%4.4x", len, cid);
>
> switch (cid) {
> - case 0x0001:
> + case L2CAP_CID_SIGNALING:
> l2cap_sig_channel(conn, skb);
> break;
>
> - case 0x0002:
> + case L2CAP_CID_CONN_LESS:
> psm = get_unaligned((__le16 *) skb->data);
> skb_pull(skb, 2);
> l2cap_conless_channel(conn, psm, skb);
> --
> 1.6.0.6
>
> --
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--
Gustavo F. Padovan
Computer Engineering Student
Institute of Computing - IC
University of Campinas - UNICAMP
email: gustavo@xxxxxxxxxxxxxxxxx
gtalk: gfpadovan@xxxxxxxxx
mobile: +55 19 81030803
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