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Commit 2a123b86 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo Committed by David S. Miller
Browse files

[BLUETOOTH]: Introduce skb->data accessor methods for hci_{acl,event,sco}_hdr 



For consistency with other skb data accessors, reducing the number of direct
accesses to skb->data.

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 03d4f879

drivers/bluetooth/bluecard_cs.c

+3 −3
Original line number Diff line number Diff line
@@ -461,20 +461,20 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset) 
				switch (info->rx_state) {



				case RECV_WAIT_EVENT_HEADER:

					eh = (struct hci_event_hdr *)(info->rx_skb->data);

					eh = hci_event_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = eh->plen;

					break;



				case RECV_WAIT_ACL_HEADER:

					ah = (struct hci_acl_hdr *)(info->rx_skb->data);

					ah = hci_acl_hdr(info->rx_skb);

					dlen = __le16_to_cpu(ah->dlen);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = dlen;

					break;



				case RECV_WAIT_SCO_HEADER:

					sh = (struct hci_sco_hdr *)(info->rx_skb->data);

					sh = hci_sco_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = sh->dlen;

					break;

drivers/bluetooth/bt3c_cs.c

+3 −3
Original line number Diff line number Diff line
@@ -303,20 +303,20 @@ static void bt3c_receive(bt3c_info_t *info) 
				switch (info->rx_state) {



				case RECV_WAIT_EVENT_HEADER:

					eh = (struct hci_event_hdr *)(info->rx_skb->data);

					eh = hci_event_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = eh->plen;

					break;



				case RECV_WAIT_ACL_HEADER:

					ah = (struct hci_acl_hdr *)(info->rx_skb->data);

					ah = hci_acl_hdr(info->rx_skb);

					dlen = __le16_to_cpu(ah->dlen);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = dlen;

					break;



				case RECV_WAIT_SCO_HEADER:

					sh = (struct hci_sco_hdr *)(info->rx_skb->data);

					sh = hci_sco_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = sh->dlen;

					break;

drivers/bluetooth/btuart_cs.c

+3 −3
Original line number Diff line number Diff line
@@ -250,20 +250,20 @@ static void btuart_receive(btuart_info_t *info) 
				switch (info->rx_state) {



				case RECV_WAIT_EVENT_HEADER:

					eh = (struct hci_event_hdr *)(info->rx_skb->data);

					eh = hci_event_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = eh->plen;

					break;



				case RECV_WAIT_ACL_HEADER:

					ah = (struct hci_acl_hdr *)(info->rx_skb->data);

					ah = hci_acl_hdr(info->rx_skb);

					dlen = __le16_to_cpu(ah->dlen);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = dlen;

					break;



				case RECV_WAIT_SCO_HEADER:

					sh = (struct hci_sco_hdr *)(info->rx_skb->data);

					sh = hci_sco_hdr(info->rx_skb);

					info->rx_state = RECV_WAIT_DATA;

					info->rx_count = sh->dlen;

					break;

drivers/bluetooth/hci_h4.c

+3 −3
Original line number Diff line number Diff line
@@ -188,7 +188,7 @@ static int h4_recv(struct hci_uart *hu, void *data, int count) 
				continue;



			case H4_W4_EVENT_HDR:

				eh = (struct hci_event_hdr *) h4->rx_skb->data;

				eh = hci_event_hdr(h4->rx_skb);



				BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen);
@@ -196,7 +196,7 @@ static int h4_recv(struct hci_uart *hu, void *data, int count) 
				continue;



			case H4_W4_ACL_HDR:

				ah = (struct hci_acl_hdr *) h4->rx_skb->data;

				ah = hci_acl_hdr(h4->rx_skb);

				dlen = __le16_to_cpu(ah->dlen);



				BT_DBG("ACL header: dlen %d", dlen);
@@ -205,7 +205,7 @@ static int h4_recv(struct hci_uart *hu, void *data, int count) 
				continue;



			case H4_W4_SCO_HDR:

				sh = (struct hci_sco_hdr *) h4->rx_skb->data;

				sh = hci_sco_hdr(h4->rx_skb);



				BT_DBG("SCO header: dlen %d", sh->dlen);

include/net/bluetooth/hci.h

+18 −0
Original line number Diff line number Diff line
@@ -709,6 +709,24 @@ struct hci_sco_hdr { 
	__u8 	dlen;

} __attribute__ ((packed));



#ifdef __KERNEL__

#include <linux/skbuff.h>

static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)

{

	return (struct hci_event_hdr *)skb->data;

}



static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)

{

	return (struct hci_acl_hdr *)skb->data;

}



static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)

{

	return (struct hci_sco_hdr *)skb->data;

}

#endif



/* Command opcode pack/unpack */

#define hci_opcode_pack(ogf, ocf)	(__u16) ((ocf & 0x03ff)|(ogf << 10))

#define hci_opcode_ogf(op)		(op >> 10)