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brcmfmac: Move common BCDC code in single function. 

The BCDC functions query_dcmd and set_dcmd both create a msgbuf to
be sent to dongle this code is very similar and for optimisation
best put in a function.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2013-12-12 11:59:00 +01:00 committed by John W. Linville
parent a7cdd821e3
commit 8141083c48
1 changed files with 25 additions and 43 deletions
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68
drivers/net/wireless/brcm80211/brcmfmac/bcdc.c
View File

@ -101,35 +101,41 @@ struct brcmf_proto_bcdc_header {
* plus any space that might be needed
* for bus alignment padding.
*/
#define ROUND_UP_MARGIN 2048 /* Biggest bus block size possible for
* round off at the end of buffer
* Currently is SDIO
*/
struct brcmf_bcdc {
u16 reqid;
u8 bus_header[BUS_HEADER_LEN];
struct brcmf_proto_bcdc_dcmd msg;
unsigned char buf[BRCMF_DCMD_MAXLEN + ROUND_UP_MARGIN];
unsigned char buf[BRCMF_DCMD_MAXLEN];
};
static int brcmf_proto_bcdc_msg(struct brcmf_pub *drvr)
static int
brcmf_proto_bcdc_msg(struct brcmf_pub *drvr, int ifidx, uint cmd, void *buf,
uint len, bool set)
{
struct brcmf_bcdc *bcdc = (struct brcmf_bcdc *)drvr->proto->pd;
int len = le32_to_cpu(bcdc->msg.len) +
sizeof(struct brcmf_proto_bcdc_dcmd);
struct brcmf_proto_bcdc_dcmd *msg = &bcdc->msg;
u32 flags;
brcmf_dbg(BCDC, "Enter\n");
/* NOTE : bcdc->msg.len holds the desired length of the buffer to be
* returned. Only up to BCDC_MAX_MSG_SIZE of this buffer area
* is actually sent to the dongle
*/
if (len > BCDC_MAX_MSG_SIZE)
len = BCDC_MAX_MSG_SIZE;
memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd));
msg->cmd = cpu_to_le32(cmd);
msg->len = cpu_to_le32(len);
flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT);
if (set)
flags |= BCDC_DCMD_SET;
flags = (flags & ~BCDC_DCMD_IF_MASK) |
(ifidx << BCDC_DCMD_IF_SHIFT);
msg->flags = cpu_to_le32(flags);
if (buf)
memcpy(bcdc->buf, buf, len);
/* Send request */
return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg, len);
return brcmf_bus_txctl(drvr->bus_if, (unsigned char *)&bcdc->msg,
len + sizeof(struct brcmf_proto_bcdc_dcmd));
}
static int brcmf_proto_bcdc_cmplt(struct brcmf_pub *drvr, u32 id, u32 len)
@ -161,19 +167,7 @@ brcmf_proto_bcdc_query_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd));
msg->cmd = cpu_to_le32(cmd);
msg->len = cpu_to_le32(len);
flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT);
flags = (flags & ~BCDC_DCMD_IF_MASK) |
(ifidx << BCDC_DCMD_IF_SHIFT);
msg->flags = cpu_to_le32(flags);
if (buf)
memcpy(bcdc->buf, buf, len);
ret = brcmf_proto_bcdc_msg(drvr);
ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, false);
if (ret < 0) {
brcmf_err("brcmf_proto_bcdc_msg failed w/status %d\n",
ret);
@ -227,19 +221,7 @@ brcmf_proto_bcdc_set_dcmd(struct brcmf_pub *drvr, int ifidx, uint cmd,
brcmf_dbg(BCDC, "Enter, cmd %d len %d\n", cmd, len);
memset(msg, 0, sizeof(struct brcmf_proto_bcdc_dcmd));
msg->cmd = cpu_to_le32(cmd);
msg->len = cpu_to_le32(len);
flags = (++bcdc->reqid << BCDC_DCMD_ID_SHIFT) | BCDC_DCMD_SET;
flags = (flags & ~BCDC_DCMD_IF_MASK) |
(ifidx << BCDC_DCMD_IF_SHIFT);
msg->flags = cpu_to_le32(flags);
if (buf)
memcpy(bcdc->buf, buf, len);
ret = brcmf_proto_bcdc_msg(drvr);
ret = brcmf_proto_bcdc_msg(drvr, ifidx, cmd, buf, len, true);
if (ret < 0)
goto done;
@ -369,7 +351,7 @@ int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr)
drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES;
drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN +
sizeof(struct brcmf_proto_bcdc_dcmd) + ROUND_UP_MARGIN;
sizeof(struct brcmf_proto_bcdc_dcmd);
return 0;
fail: