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chromium / chromiumos / third_party / marvell / refs/heads/firmware-monroe-4921.B / . / wlan_src / mlan / mlan_sdio.c
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/** @file mlan_sdio.c
*
* @brief This file contains SDIO specific code
*
* Copyright (C) 2008-2009, Marvell International Ltd.
* All Rights Reserved
*/
/********************************************************
Change log:
10/27/2008: initial version
********************************************************/
#include "mlan.h"
#include "mlan_join.h"
#include "mlan_util.h"
#include "mlan_fw.h"
#include "mlan_main.h"
#include "mlan_init.h"
#include "mlan_wmm.h"
#include "mlan_11n.h"
#include "mlan_sdio.h"
/********************************************************
Local Variables
********************************************************/
/********************************************************
Global Variables
********************************************************/
/********************************************************
Local Functions
********************************************************/
/**
* @brief This function initialize the SDIO port
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_init_ioport(mlan_adapter * pmadapter)
{
t_u32 reg;
pmlan_callbacks pcb = &pmadapter->callbacks;
pmadapter->ioport = 0;
/* Read the IO port */
if (MLAN_STATUS_SUCCESS ==
pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_0_REG, &reg))
pmadapter->ioport |= (reg & 0xff);
else
return MLAN_STATUS_FAILURE;
if (MLAN_STATUS_SUCCESS ==
pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_1_REG, &reg))
pmadapter->ioport |= ((reg & 0xff) << 8);
else
return MLAN_STATUS_FAILURE;
if (MLAN_STATUS_SUCCESS ==
pcb->moal_read_reg(pmadapter->pmoal_handle, IO_PORT_2_REG, &reg))
pmadapter->ioport |= ((reg & 0xff) << 16);
else
return MLAN_STATUS_FAILURE;
PRINTM(MINFO, "SDIO FUNC1 IO port: 0x%x\n", pmadapter->ioport);
#define SDIO_INT_MASK 0x3F
/* Set Host interrupt reset to read to clear */
if (MLAN_STATUS_SUCCESS ==
pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INT_RSR_REG, &reg)) {
pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_RSR_REG,
reg | SDIO_INT_MASK);
} else
return MLAN_STATUS_FAILURE;
/* Dnld/Upld ready set to auto reset */
if (MLAN_STATUS_SUCCESS ==
pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_MISC_CFG_REG, &reg)) {
pcb->moal_write_reg(pmadapter->pmoal_handle, CARD_MISC_CFG_REG,
reg | AUTO_RE_ENABLE_INT);
} else
return MLAN_STATUS_FAILURE;
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function gets available SDIO port for reading cmd/data
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pport A pointer to port number
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_get_rd_port(mlan_adapter * pmadapter, t_u8 * pport)
{
t_u16 rd_bitmap = pmadapter->mp_rd_bitmap;
PRINTM(MDATA, "wlan_get_rd_port: mp_rd_bitmap=0x%04x\n", rd_bitmap);
if (!(rd_bitmap & (CTRL_PORT_MASK | DATA_PORT_MASK)))
return MLAN_STATUS_FAILURE;
if (pmadapter->mp_rd_bitmap & CTRL_PORT_MASK) {
pmadapter->mp_rd_bitmap &= (t_u16) (~CTRL_PORT_MASK);
*pport = CTRL_PORT;
PRINTM(MDATA, "wlan_get_rd_port: port=%d mp_rd_bitmap=0x%04x\n", *pport,
pmadapter->mp_rd_bitmap);
} else {
if (pmadapter->mp_rd_bitmap & (1 << pmadapter->curr_rd_port)) {
pmadapter->mp_rd_bitmap &=
(t_u16) (~(1 << pmadapter->curr_rd_port));
*pport = pmadapter->curr_rd_port;
if (++pmadapter->curr_rd_port == MAX_PORT)
pmadapter->curr_rd_port = 1;
} else {
return MLAN_STATUS_FAILURE;
}
PRINTM(MDATA, "port=%d mp_rd_bitmap=0x%04x -> 0x%04x\n",
*pport, rd_bitmap, pmadapter->mp_rd_bitmap);
}
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function gets available SDIO port for writing data
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pport A pointer to port number
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_get_wr_port_data(mlan_adapter * pmadapter, t_u8 * pport)
{
t_u16 wr_bitmap = pmadapter->mp_wr_bitmap;
PRINTM(MDATA, "wlan_get_wr_port_data: mp_wr_bitmap=0x%04x\n", wr_bitmap);
if (!(wr_bitmap & pmadapter->mp_data_port_mask))
return MLAN_STATUS_FAILURE;
if (pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port)) {
pmadapter->mp_wr_bitmap &= (t_u16) (~(1 << pmadapter->curr_wr_port));
*pport = pmadapter->curr_wr_port;
if (++pmadapter->curr_wr_port == pmadapter->mp_end_port)
pmadapter->curr_wr_port = 1;
} else {
pmadapter->data_sent = MTRUE;
return MLAN_STATUS_RESOURCE;
}
PRINTM(MDATA, "port=%d mp_wr_bitmap=0x%04x -> 0x%04x\n",
*pport, wr_bitmap, pmadapter->mp_wr_bitmap);
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function polls the card status register.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param bits the bit mask
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_poll_card_status(mlan_adapter * pmadapter, t_u8 bits)
{
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u32 tries;
t_u32 cs = 0;
for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
if (pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_STATUS_REG, &cs) !=
MLAN_STATUS_SUCCESS)
break;
else if ((cs & bits) == bits)
return MLAN_STATUS_SUCCESS;
wlan_udelay(pmadapter, 10);
}
PRINTM(MWARN, "wlan_sdio_poll_card_status failed, tries = %d\n", tries);
return MLAN_STATUS_FAILURE;
}
/**
* @brief This function reads firmware status registers
*
* @param pmadapter A pointer to mlan_adapter structure
* @param dat A pointer to keep returned data
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_read_fw_status(mlan_adapter * pmadapter, t_u16 * dat)
{
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u32 fws0 = 0, fws1 = 0;
ENTER();
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS0_REG, &fws0))
return MLAN_STATUS_FAILURE;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS1_REG, &fws1))
return MLAN_STATUS_FAILURE;
*dat = (fws1 << 8) | fws0;
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/** @brief This function disables the host interrupts mask.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param mask the interrupt mask
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_disable_host_int_mask(pmlan_adapter pmadapter, t_u8 mask)
{
t_u32 host_int_mask = 0;
pmlan_callbacks pcb = &pmadapter->callbacks;
ENTER();
/* Read back the host_int_mask register */
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG,
&host_int_mask)) {
LEAVE();
return MLAN_STATUS_FAILURE;
}
/* Update with the mask and write back to the register */
host_int_mask &= ~mask;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG,
host_int_mask)) {
PRINTM(MWARN, "Disable host interrupt failed\n");
LEAVE();
return MLAN_STATUS_FAILURE;
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function enables the host interrupts mask
*
* @param pmadapter A pointer to mlan_adapter structure
* @param mask the interrupt mask
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_enable_host_int_mask(pmlan_adapter pmadapter, t_u8 mask)
{
pmlan_callbacks pcb = &pmadapter->callbacks;
ENTER();
/* Simply write the mask to the register */
if (MLAN_STATUS_SUCCESS !=
pcb->moal_write_reg(pmadapter->pmoal_handle, HOST_INT_MASK_REG, mask)) {
PRINTM(MWARN, "Enable host interrupt failed\n");
LEAVE();
return MLAN_STATUS_FAILURE;
}
LEAVE();
return MLAN_STATUS_SUCCESS;
}
/**
* @brief This function reads data from the card.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param type A pointer to keep type as data or command
* @param nb A pointer to keep the data/cmd length returned in buffer
* @param pmbuf A pointer to the SDIO data/cmd buffer
* @param npayload the length of data/cmd buffer
* @param ioport the SDIO ioport
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_sdio_card_to_host(mlan_adapter * pmadapter,
t_u32 * type, t_u32 * nb, pmlan_buffer pmbuf,
t_u32 npayload, t_u32 ioport)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
ENTER();
if (!pmbuf) {
PRINTM(MWARN, "pmbuf NULL pointer received!\n");
ret = MLAN_STATUS_FAILURE;
goto exit;
}
ret = pcb->moal_read_data_sync(pmadapter->pmoal_handle, pmbuf, ioport, 0);
if (ret != MLAN_STATUS_SUCCESS) {
PRINTM(MERROR, "card_to_host, read iomem failed: %d\n", ret);
ret = MLAN_STATUS_FAILURE;
goto exit;
}
*nb = wlan_le16_to_cpu(*(t_u16 *) (pmbuf->pbuf + pmbuf->data_offset));
if (*nb > npayload) {
PRINTM(MERROR, "invalid packet, *nb=%d, npayload=%d\n", *nb, npayload);
ret = MLAN_STATUS_FAILURE;
goto exit;
}
DBG_HEXDUMP(MDAT_D, "SDIO Blk Rd", pmbuf->pbuf,
MIN(npayload, MAX_DATA_DUMP_LEN));
*type = wlan_le16_to_cpu(*(t_u16 *) (pmbuf->pbuf + pmbuf->data_offset + 2));
exit:
LEAVE();
return ret;
}
/********************************************************
Global functions
********************************************************/
/**
* @brief This function downloads FW blocks to device
*
* @param pmadapter A pointer to mlan_adapter
* @param pmfw A pointer to firmware image
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
static mlan_status
wlan_prog_fw_w_helper(IN pmlan_adapter pmadapter, IN pmlan_fw_image pmfw)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u8 *firmware = pmfw->pfw_buf;
t_u32 firmwarelen = pmfw->fw_len;
t_u32 offset = 0;
t_u32 base0, base1;
t_void *tmpfwbuf = MNULL;
t_u32 tmpfwbufsz;
t_u8 *fwbuf;
mlan_buffer mbuf;
t_u16 len = 0;
t_u32 txlen = 0, tx_blocks = 0, tries = 0;
t_u32 i = 0;
ENTER();
if (!firmwarelen) {
PRINTM(MMSG, "No firmware image found! Terminating download\n");
LEAVE();
return MLAN_STATUS_FAILURE;
}
PRINTM(MINFO, "Downloading FW image (%d bytes)\n", firmwarelen);
tmpfwbufsz = ALIGN_SZ(WLAN_UPLD_SIZE, HEADER_ALIGNMENT);
ret = pcb->moal_malloc(tmpfwbufsz, (t_u8 **) & tmpfwbuf);
if ((ret != MLAN_STATUS_SUCCESS) || !tmpfwbuf) {
PRINTM(MERROR,
"Unable to allocate buffer for firmware. Terminating download\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
memset(tmpfwbuf, 0, tmpfwbufsz);
/* Ensure 8-byte aligned firmware buffer */
fwbuf = (t_u8 *) ALIGN_ADDR(tmpfwbuf, HEADER_ALIGNMENT);
/* Perform firmware data transfer */
do {
/* The host polls for the DN_LD_CARD_RDY and CARD_IO_READY bits */
ret =
wlan_sdio_poll_card_status(pmadapter,
CARD_IO_READY | DN_LD_CARD_RDY);
if (ret != MLAN_STATUS_SUCCESS) {
PRINTM(MFATAL, "FW download with helper poll status timeout @ %d\n",
offset);
goto done;
}
/* More data? */
if (offset >= firmwarelen)
break;
for (tries = 0; tries < MAX_POLL_TRIES; tries++) {
if ((ret = pcb->moal_read_reg(pmadapter->pmoal_handle,
HOST_F1_RD_BASE_0,
&base0)) != MLAN_STATUS_SUCCESS) {
PRINTM(MWARN,
"Dev BASE0 register read failed:"
" base0=0x%04X(%d). Terminating download\n", base0,
base0);
goto done;
}
if ((ret = pcb->moal_read_reg(pmadapter->pmoal_handle,
HOST_F1_RD_BASE_1,
&base1)) != MLAN_STATUS_SUCCESS) {
PRINTM(MWARN,
"Dev BASE1 register read failed:"
" base1=0x%04X(%d). Terminating download\n", base1,
base1);
goto done;
}
len = ((base1 & 0xff) << 8) | (base0 & 0xff);
if (len)
break;
wlan_udelay(pmadapter, 10);
}
if (!len)
break;
else if (len > WLAN_UPLD_SIZE) {
PRINTM(MFATAL, "FW download failure @ %d, invalid length %d\n",
offset, len);
ret = MLAN_STATUS_FAILURE;
goto done;
}
txlen = len;
if (len & MBIT(0)) {
i++;
if (i > MAX_WRITE_IOMEM_RETRY) {
PRINTM(MFATAL,
"FW download failure @ %d, over max retry count\n",
offset);
ret = MLAN_STATUS_FAILURE;
goto done;
}
PRINTM(MERROR, "FW CRC error indicated by the helper:"
" len = 0x%04X, txlen = %d\n", len, txlen);
len &= ~MBIT(0);
/* Setting this to 0 to resend from same offset */
txlen = 0;
} else {
i = 0;
/* Set blocksize to transfer - checking for last block */
if (firmwarelen - offset < txlen) {
txlen = firmwarelen - offset;
}
PRINTM(MINFO, ".");
tx_blocks =
(txlen + MLAN_SDIO_BLOCK_SIZE_FW_DNLD -
1) / MLAN_SDIO_BLOCK_SIZE_FW_DNLD;
/* Copy payload to buffer */
memmove(fwbuf, &firmware[offset], txlen);
}
/* Send data */
memset(&mbuf, 0, sizeof(mlan_buffer));
mbuf.pbuf = (t_u8 *) fwbuf;
mbuf.data_len = tx_blocks * MLAN_SDIO_BLOCK_SIZE_FW_DNLD;
ret =
pcb->moal_write_data_sync(pmadapter->pmoal_handle, &mbuf,
pmadapter->ioport, 0);
if (ret != MLAN_STATUS_SUCCESS) {
PRINTM(MERROR, "FW download, write iomem (%d) failed @ %d\n", i,
offset);
if (pcb->
moal_write_reg(pmadapter->pmoal_handle, CONFIGURATION_REG,
0x04) != MLAN_STATUS_SUCCESS) {
PRINTM(MERROR, "write CFG reg failed\n");
}
ret = MLAN_STATUS_FAILURE;
goto done;
}
offset += txlen;
} while (MTRUE);
PRINTM(MINFO, "\nFW download over, size %d bytes\n", offset);
ret = MLAN_STATUS_SUCCESS;
done:
if (tmpfwbuf)
pcb->moal_mfree((t_u8 *) tmpfwbuf);
LEAVE();
return ret;
}
/**
* @brief This function checks if the interface is ready to download
* or not while other download interface is present
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS if the calling interface
* is the winner, otherwise MLAN_STATUS_FAILURE
*
*/
mlan_status
wlan_check_winner_status(mlan_adapter * pmadapter)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
t_u32 winner_status;
pmlan_callbacks pcb;
ENTER();
pcb = &pmadapter->callbacks;
winner_status = 0;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle, CARD_FW_STATUS0_REG,
&winner_status))
return MLAN_STATUS_FAILURE;
if (winner_status != 0)
ret = MLAN_STATUS_FAILURE;
else
ret = MLAN_STATUS_SUCCESS;
LEAVE();
return ret;
}
/**
* @brief This function checks if the firmware is ready to accept
* command or not.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pollnum Maximum polling number
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_check_fw_status(mlan_adapter * pmadapter, t_u32 pollnum)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
t_u16 firmwarestat;
t_u32 tries;
ENTER();
/* Wait for firmware initialization event */
for (tries = 0; tries < pollnum; tries++) {
if (MLAN_STATUS_SUCCESS !=
(ret = wlan_sdio_read_fw_status(pmadapter, &firmwarestat)))
continue;
if (firmwarestat == FIRMWARE_READY) {
ret = MLAN_STATUS_SUCCESS;
break;
} else {
wlan_mdelay(pmadapter, 100);
ret = MLAN_STATUS_FAILURE;
}
}
if (ret != MLAN_STATUS_SUCCESS)
goto done;
done:
LEAVE();
return ret;
}
/**
* @brief This function downloads firmware to card
*
* @param pmadapter A pointer to mlan_adapter
* @param pmfw A pointer to firmware image
*
* @return MLAN_STATUS_SUCCESS or error code
*/
mlan_status
wlan_dnld_fw(IN pmlan_adapter pmadapter, IN pmlan_fw_image pmfw)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
ENTER();
/* Download the firmware image via helper */
ret = wlan_prog_fw_w_helper(pmadapter, pmfw);
if (ret != MLAN_STATUS_SUCCESS) {
LEAVE();
return MLAN_STATUS_FAILURE;
}
LEAVE();
return ret;
}
/**
* @brief This function probes the driver
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_sdio_probe(pmlan_adapter pmadapter)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
t_u32 sdio_ireg = 0;
pmlan_callbacks pcb = &pmadapter->callbacks;
/*
* Read the HOST_INT_STATUS_REG for ACK the first interrupt got
* from the bootloader. If we don't do this we get a interrupt
* as soon as we register the irq.
*/
pcb->moal_read_reg(pmadapter->pmoal_handle, HOST_INTSTATUS_REG, &sdio_ireg);
/* Disable host interrupt mask register for SDIO */
ret = wlan_disable_host_int(pmadapter);
if (ret != MLAN_STATUS_SUCCESS)
return MLAN_STATUS_FAILURE;
/* Get SDIO ioport */
ret = wlan_sdio_init_ioport(pmadapter);
return ret;
}
/**
* @brief This function gets interrupt status.
*
* @param adapter A pointer to mlan_adapter structure
* @return None
*/
t_void
mlan_interrupt(t_void * adapter)
{
mlan_adapter *pmadapter = (mlan_adapter *) adapter;
pmlan_callbacks pcb = &pmadapter->callbacks;
mlan_buffer mbuf;
t_u32 sdio_ireg = 0;
ENTER();
memset(&mbuf, 0, sizeof(mlan_buffer));
mbuf.pbuf = pmadapter->mp_regs;
mbuf.data_len = MAX_MP_REGS;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_data_sync(pmadapter->pmoal_handle, &mbuf,
REG_PORT | MLAN_SDIO_BYTE_MODE_MASK, 0)) {
PRINTM(MWARN, "moal_read_data_sync: read registers failed\n");
goto done;
}
DBG_HEXDUMP(MDAT_D, "SDIO MP Registers", pmadapter->mp_regs, MAX_MP_REGS);
sdio_ireg = pmadapter->mp_regs[HOST_INTSTATUS_REG];
if (sdio_ireg) {
/*
* DN_LD_HOST_INT_STATUS and/or UP_LD_HOST_INT_STATUS
* Clear the interrupt status register
*/
PRINTM(MINTR, "sdio_ireg = 0x%x\n", sdio_ireg);
pmadapter->sdio_ireg |= sdio_ireg;
}
done:
LEAVE();
}
/**
* @brief This function disables the host interrupts.
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_disable_host_int(pmlan_adapter pmadapter)
{
mlan_status ret;
ENTER();
ret = wlan_sdio_disable_host_int_mask(pmadapter, HIM_DISABLE);
LEAVE();
return ret;
}
/**
* @brief This function enables the host interrupts.
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_enable_host_int(pmlan_adapter pmadapter)
{
mlan_status ret;
ENTER();
ret = wlan_sdio_enable_host_int_mask(pmadapter, HIM_ENABLE);
LEAVE();
return ret;
}
/**
* @brief This function decodes the rx packet &
* calls corresponding handlers according to the packet type
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pmbuf A pointer to the SDIO data/cmd buffer
* @param upld_typ Type of rx packet
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_decode_rx_packet(mlan_adapter * pmadapter, mlan_buffer * pmbuf,
t_u32 upld_typ)
{
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u8 *cmdBuf;
t_u32 event;
switch (upld_typ) {
case MLAN_TYPE_DATA:
PRINTM(MINFO, "--- Rx: Data packet ---\n");
pmbuf->data_len = (pmadapter->upld_len - INTF_HEADER_LEN);
pmbuf->data_offset += INTF_HEADER_LEN;
wlan_handle_rx_packet(pmadapter, pmbuf);
break;
case MLAN_TYPE_CMD:
PRINTM(MINFO, "--- Rx: Cmd Response ---\n");
DBG_HEXDUMP(MDAT_D, "Cmd RESP BUFFER", pmbuf->pbuf,
pmadapter->upld_len);
/* take care of curr_cmd = NULL case */
if (!pmadapter->curr_cmd) {
cmdBuf = pmadapter->upld_buf;
if (pmadapter->ps_state == PS_STATE_SLEEP_CFM) {
wlan_process_sleep_confirm_resp(pmadapter,
pmbuf->pbuf +
pmbuf->data_offset +
INTF_HEADER_LEN,
pmadapter->upld_len -
INTF_HEADER_LEN);
}
pmadapter->upld_len -= INTF_HEADER_LEN;
memcpy(cmdBuf, pmbuf->pbuf + pmbuf->data_offset + INTF_HEADER_LEN,
MIN(MRVDRV_SIZE_OF_CMD_BUFFER,
pmadapter->upld_len - INTF_HEADER_LEN));
pcb->moal_free_mlan_buffer(pmbuf);
} else {
pmadapter->cmd_resp_received = MTRUE;
pmadapter->upld_len -= INTF_HEADER_LEN;
pmbuf->data_len -= INTF_HEADER_LEN;
pmbuf->data_offset += INTF_HEADER_LEN;
pmadapter->curr_cmd->respbuf = pmbuf;
}
break;
case MLAN_TYPE_EVENT:
PRINTM(MINFO, "--- Rx: Event ---\n");
event = *(t_u32 *) & pmbuf->pbuf[4];
pmadapter->event_cause = wlan_le32_to_cpu(event);
if ((pmadapter->upld_len > MLAN_EVENT_HEADER_LEN) &&
((pmadapter->upld_len - MLAN_EVENT_HEADER_LEN) < MAX_EVENT_SIZE)) {
memcpy(pmadapter->event_body, pmbuf->pbuf + MLAN_EVENT_HEADER_LEN,
pmadapter->upld_len - MLAN_EVENT_HEADER_LEN);
}
/* event cause has been saved to adapter->event_cause */
pmadapter->event_received = MTRUE;
pmbuf->data_len = pmadapter->upld_len;
pmadapter->pmlan_buffer_event = pmbuf;
/* remove SDIO header */
pmbuf->data_offset += INTF_HEADER_LEN;
pmbuf->data_len -= INTF_HEADER_LEN;
break;
default:
PRINTM(MERROR, "SDIO unknown upload type = 0x%x\n", upld_typ);
pcb->moal_free_mlan_buffer(pmbuf);
break;
}
return MLAN_STATUS_SUCCESS;
}
#ifdef SDIO_MULTI_PORT_RX_AGGR
/**
* @brief This function receives data from the card in aggregate mode.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param pmbuf A pointer to the SDIO data/cmd buffer
* @param port Current port on which packet needs to be rxed
* @param rx_len Length of received packet
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_sdio_card_to_host_mp_aggr(mlan_adapter * pmadapter, mlan_buffer
* pmbuf, t_u8 port, t_u16 rx_len)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_s32 f_do_rx_aggr = 0;
t_s32 f_do_rx_cur = 0;
t_s32 f_aggr_cur = 0;
mlan_buffer mbuf_aggr;
mlan_buffer *mbuf_deaggr;
t_u32 pind = 0;
t_u32 pkt_len, pkt_type = 0;
t_u8 *curr_ptr;
ENTER();
if (port == CTRL_PORT) {
/* Read the command Resp without aggr */
PRINTM(MINFO, "card_2_host_mp_aggr: No aggregation for cmd response\n");
f_do_rx_cur = 1;
goto rx_curr_single;
}
if (!pmadapter->mpa_rx.enabled) {
PRINTM(MINFO, "card_2_host_mp_aggr: rx aggregation disabled !\n");
f_do_rx_cur = 1;
goto rx_curr_single;
}
if (pmadapter->mp_rd_bitmap & (~((t_u16) CTRL_PORT_MASK))) {
/* Some more data RX pending */
PRINTM(MINFO, "card_2_host_mp_aggr: Not last packet\n");
if (MP_RX_AGGR_IN_PROGRESS(pmadapter)) {
if (MP_RX_AGGR_BUF_HAS_ROOM(pmadapter, rx_len)) {
f_aggr_cur = 1;
} else {
/* No room in Aggr buf, do rx aggr now */
f_do_rx_aggr = 1;
f_do_rx_cur = 1;
}
} else {
/* Rx aggr not in progress */
f_aggr_cur = 1;
}
} else {
/* No more data RX pending */
PRINTM(MINFO, "card_2_host_mp_aggr: Last packet\n");
if (MP_RX_AGGR_IN_PROGRESS(pmadapter)) {
f_do_rx_aggr = 1;
if (MP_RX_AGGR_BUF_HAS_ROOM(pmadapter, rx_len)) {
f_aggr_cur = 1;
} else {
/* No room in Aggr buf, do rx aggr now */
f_do_rx_cur = 1;
}
} else {
f_do_rx_cur = 1;
}
}
if (f_aggr_cur) {
PRINTM(MINFO, "Current packet aggregation.\n");
/* Curr pkt can be aggregated */
MP_RX_AGGR_SETUP(pmadapter, pmbuf, port, rx_len);
if (MP_RX_AGGR_PKT_LIMIT_REACHED(pmadapter) ||
MP_RX_AGGR_PORT_LIMIT_REACHED(pmadapter)) {
PRINTM(MINFO,
"card_2_host_mp_aggr: Aggregation Packet limit reached\n");
/* No more pkts allowed in Aggr buf, rx it */
f_do_rx_aggr = 1;
}
}
if (f_do_rx_aggr) {
/* do aggr RX now */
PRINTM(MINFO, "do_rx_aggr: num of packets: %d\n",
pmadapter->mpa_rx.pkt_cnt);
memset(&mbuf_aggr, 0, sizeof(mlan_buffer));
mbuf_aggr.pbuf = (t_u8 *) pmadapter->mpa_rx.buf;
mbuf_aggr.data_len = pmadapter->mpa_rx.buf_len;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_data_sync(pmadapter->pmoal_handle, &mbuf_aggr,
(pmadapter->ioport | 0x1000 |
(pmadapter->mpa_rx.ports << 4)) +
pmadapter->mpa_rx.start_port, 0)) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
curr_ptr = pmadapter->mpa_rx.buf;
for (pind = 0; pind < pmadapter->mpa_rx.pkt_cnt; pind++) {
/* get curr PKT len & type */
pkt_len = wlan_le16_to_cpu(*(t_u16 *) & curr_ptr[0]);
pkt_type = wlan_le16_to_cpu(*(t_u16 *) & curr_ptr[2]);
PRINTM(MINFO, "RX: [%d] pktlen: %d pkt_type: 0x%x\n", pind,
pkt_len, pkt_type);
/* copy pkt to deaggr buf */
mbuf_deaggr = pmadapter->mpa_rx.mbuf_arr[pind];
if ((pkt_type == MLAN_TYPE_DATA) &&
(pkt_len <= pmadapter->mpa_rx.len_arr[pind])) {
memcpy(mbuf_deaggr->pbuf, curr_ptr, pkt_len);
pmadapter->upld_len = pkt_len;
/* Process de-aggr packet */
wlan_decode_rx_packet(pmadapter, mbuf_deaggr, pkt_type);
} else {
PRINTM(MERROR, "Wrong aggr packet: type=%d, len=%d, max_len=%d",
pkt_type, pkt_len, pmadapter->mpa_rx.len_arr[pind]);
pcb->moal_free_mlan_buffer(mbuf_deaggr);
}
curr_ptr += pmadapter->mpa_rx.len_arr[pind];
}
MP_RX_AGGR_BUF_RESET(pmadapter);
}
rx_curr_single:
if (f_do_rx_cur) {
PRINTM(MINFO, "RX: f_do_rx_cur: port: %d rx_len: %d\n", port, rx_len);
if (MLAN_STATUS_SUCCESS != wlan_sdio_card_to_host(pmadapter, &pkt_type,
(t_u32 *) &
pmadapter->upld_len,
pmbuf, rx_len,
pmadapter->ioport +
port)) {
ret = MLAN_STATUS_FAILURE;
goto done;
}
wlan_decode_rx_packet(pmadapter, pmbuf, pkt_type);
}
done:
LEAVE();
return ret;
}
#endif
/**
* @brief This function checks the interrupt status and handle it accordingly.
*
* @param pmadapter A pointer to mlan_adapter structure
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_process_int_status(mlan_adapter * pmadapter)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u8 sdio_ireg = pmadapter->sdio_ireg;
mlan_buffer *pmbuf = MNULL;
t_u8 *tmp_buf = MNULL;
t_u8 port = CTRL_PORT;
t_u32 len_reg_l, len_reg_u;
t_u32 rx_blocks;
t_u16 rx_len;
#ifndef SDIO_MULTI_PORT_RX_AGGR
t_u32 upld_typ = 0;
#endif
ENTER();
if (!pmadapter->sdio_ireg)
goto done;
if (sdio_ireg & DN_LD_HOST_INT_STATUS) {
pmadapter->mp_wr_bitmap =
((t_u16) pmadapter->mp_regs[WR_BITMAP_U]) << 8;
pmadapter->mp_wr_bitmap |= (t_u16) pmadapter->mp_regs[WR_BITMAP_L];
PRINTM(MINTR, "DNLD: wr_bitmap=0x%04x\n", pmadapter->mp_wr_bitmap);
if (pmadapter->data_sent &&
(pmadapter->mp_wr_bitmap & pmadapter->mp_data_port_mask)) {
PRINTM(MINFO, " <--- Tx DONE Interrupt --->\n");
pmadapter->data_sent = MFALSE;
}
}
/* As firmware will not generate download ready interrupt if the port
updated is command port only, cmd_sent should be done for any SDIO
interrupt. */
if (pmadapter->cmd_sent == MTRUE) {
/* Check if firmware has attach buffer at command port and update just
that in wr_bit_map. */
pmadapter->mp_wr_bitmap |=
(t_u16) pmadapter->mp_regs[WR_BITMAP_L] & CTRL_PORT_MASK;
if (pmadapter->mp_wr_bitmap & CTRL_PORT_MASK)
pmadapter->cmd_sent = MFALSE;
}
PRINTM(MINFO, "cmd_sent=%d data_sent=%d\n",
pmadapter->cmd_sent, pmadapter->data_sent);
if (sdio_ireg & UP_LD_HOST_INT_STATUS) {
pmadapter->mp_rd_bitmap =
((t_u16) pmadapter->mp_regs[RD_BITMAP_U]) << 8;
pmadapter->mp_rd_bitmap |= (t_u16) pmadapter->mp_regs[RD_BITMAP_L];
PRINTM(MINTR, "UPLD: rd_bitmap=0x%04x\n", pmadapter->mp_rd_bitmap);
while (MTRUE) {
ret = wlan_get_rd_port(pmadapter, &port);
if (ret != MLAN_STATUS_SUCCESS) {
PRINTM(MINFO, "no more rd_port available\n");
break;
}
len_reg_l = RD_LEN_P0_L + (port << 1);
len_reg_u = RD_LEN_P0_U + (port << 1);
rx_len = ((t_u16) pmadapter->mp_regs[len_reg_u]) << 8;
rx_len |= (t_u16) pmadapter->mp_regs[len_reg_l];
PRINTM(MINFO, "RX: port=%d rx_len=%u\n", port, rx_len);
rx_blocks =
(rx_len + MLAN_SDIO_BLOCK_SIZE - 1) / MLAN_SDIO_BLOCK_SIZE;
if (rx_len <= INTF_HEADER_LEN ||
(rx_blocks * MLAN_SDIO_BLOCK_SIZE) > ALLOC_BUF_SIZE) {
PRINTM(MERROR, "invalid rx_len=%d\n", rx_len);
ret = MLAN_STATUS_FAILURE;
goto done;
}
rx_len = rx_blocks * MLAN_SDIO_BLOCK_SIZE;
if (MLAN_STATUS_SUCCESS !=
pcb->moal_alloc_mlan_buffer(rx_len + HEADER_ALIGNMENT,
&pmbuf)) {
PRINTM(MWARN, "Failed to allocate 'mlan_buffer'\n");
ret = MLAN_STATUS_FAILURE;
goto done;
}
tmp_buf =
(t_u8 *) ALIGN_ADDR(pmbuf->pbuf + pmbuf->data_offset,
HEADER_ALIGNMENT);
pmbuf->data_offset += tmp_buf - (pmbuf->pbuf + pmbuf->data_offset);
pmbuf->data_len = rx_len;
PRINTM(MINFO, "rx_len = %d\n", rx_len);
#ifdef SDIO_MULTI_PORT_RX_AGGR
if (MLAN_STATUS_SUCCESS !=
wlan_sdio_card_to_host_mp_aggr(pmadapter, pmbuf, port,
rx_len)) {
#else
/* Transfer data from card */
if (MLAN_STATUS_SUCCESS !=
wlan_sdio_card_to_host(pmadapter, &upld_typ,
(t_u32 *) & pmadapter->upld_len, pmbuf,
rx_len, pmadapter->ioport + port)) {
#endif /* SDIO_MULTI_PORT_RX_AGGR */
t_u32 cr = 0;
PRINTM(MERROR, "Card to host failed: int status=0x%x\n",
sdio_ireg);
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle,
CONFIGURATION_REG, &cr))
PRINTM(MERROR, "read CFG reg failed\n");
PRINTM(MINFO, "Config Reg val = %d\n", cr);
if (MLAN_STATUS_SUCCESS !=
pcb->moal_write_reg(pmadapter->pmoal_handle,
CONFIGURATION_REG, (cr | 0x04)))
PRINTM(MERROR, "write CFG reg failed\n");
PRINTM(MINFO, "write success\n");
if (MLAN_STATUS_SUCCESS !=
pcb->moal_read_reg(pmadapter->pmoal_handle,
CONFIGURATION_REG, &cr))
PRINTM(MERROR, "read CFG reg failed\n");
PRINTM(MINFO, "Config reg val =%x\n", cr);
ret = MLAN_STATUS_FAILURE;
pcb->moal_free_mlan_buffer(pmbuf);
goto done;
}
#ifndef SDIO_MULTI_PORT_RX_AGGR
wlan_decode_rx_packet(pmadapter, pmbuf, upld_typ);
#endif
}
}
ret = MLAN_STATUS_SUCCESS;
done:
pmadapter->sdio_ireg = 0;
LEAVE();
return ret;
}
/**
* @brief This function sends data to the card.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param type data or command
* @param pmbuf A pointer to mlan_buffer (pmbuf->data_len should include SDIO header)
* @param tx_param A pointer to mlan_tx_param
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_sdio_host_to_card(mlan_adapter * pmadapter, t_u8 type, mlan_buffer * pmbuf,
mlan_tx_param * tx_param)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_u32 buf_block_len;
t_u32 blksz;
t_u8 port = CTRL_PORT;
t_u32 i = 0;
t_u8 *payload = pmbuf->pbuf + pmbuf->data_offset;
ENTER();
/* Allocate buffer and copy payload */
blksz = MLAN_SDIO_BLOCK_SIZE;
buf_block_len = (pmbuf->data_len + blksz - 1) / blksz;
*(t_u16 *) & payload[0] = wlan_cpu_to_le16(pmbuf->data_len);
*(t_u16 *) & payload[2] = wlan_cpu_to_le16(type);
/*
* This is SDIO specific header
* t_u16 length,
* t_u16 type (MLAN_TYPE_DATA = 0, MLAN_TYPE_CMD = 1, MLAN_TYPE_EVENT = 3)
*/
if (type == MLAN_TYPE_DATA) {
ret = wlan_get_wr_port_data(pmadapter, &port);
if (ret != MLAN_STATUS_SUCCESS) {
PRINTM(MERROR, "no wr_port available: %d\n", ret);
goto exit;
}
} else {
pmadapter->cmd_sent = MTRUE;
/* Type must be MLAN_TYPE_CMD */
if (pmbuf->data_len <= INTF_HEADER_LEN ||
pmbuf->data_len > WLAN_UPLD_SIZE)
PRINTM(MWARN,
"wlan_sdio_host_to_card(): Error: payload=%p, nb=%d\n",
payload, pmbuf->data_len);
}
do {
/* Transfer data to card */
pmbuf->data_len = buf_block_len * blksz;
#ifdef SDIO_MULTI_PORT_TX_AGGR
if (tx_param)
ret =
wlan_host_to_card_mp_aggr(pmadapter, pmbuf, port,
tx_param->next_pkt_len);
else
ret = wlan_host_to_card_mp_aggr(pmadapter, pmbuf, port, 0);
#else
ret =
pcb->moal_write_data_sync(pmadapter->pmoal_handle, pmbuf,
pmadapter->ioport + port, 0);
#endif /* SDIO_MULTI_PORT_TX_AGGR */
if (ret != MLAN_STATUS_SUCCESS) {
i++;
PRINTM(MERROR, "host_to_card, write iomem (%d) failed: %d\n", i,
ret);
if (MLAN_STATUS_SUCCESS !=
pcb->moal_write_reg(pmadapter->pmoal_handle, CONFIGURATION_REG,
0x04)) {
PRINTM(MERROR, "write CFG reg failed\n");
}
ret = MLAN_STATUS_FAILURE;
if (i > MAX_WRITE_IOMEM_RETRY) {
if (type == MLAN_TYPE_CMD)
pmadapter->cmd_sent = MFALSE;
if (type == MLAN_TYPE_DATA)
pmadapter->data_sent = MFALSE;
goto exit;
}
} else {
if (type == MLAN_TYPE_DATA) {
if (!(pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port)))
pmadapter->data_sent = MTRUE;
else
pmadapter->data_sent = MFALSE;
}
DBG_HEXDUMP(MDAT_D, "SDIO Blk Wr", pmbuf->pbuf + pmbuf->data_offset,
MIN(pmbuf->data_len, MAX_DATA_DUMP_LEN));
}
} while (ret == MLAN_STATUS_FAILURE);
exit:
LEAVE();
return ret;
}
#ifdef SDIO_MULTI_PORT_TX_AGGR
/**
* @brief This function sends data to the card in SDIO aggregated mode.
*
* @param pmadapter A pointer to mlan_adapter structure
* @param mbuf A pointer to the SDIO data/cmd buffer
* @param port current port for aggregation
* @param next_pkt_len Length of next packet used for multiport aggregation
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_host_to_card_mp_aggr(mlan_adapter * pmadapter, mlan_buffer * mbuf,
t_u8 port, t_u32 next_pkt_len)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
t_s32 f_send_aggr_buf = 0;
t_s32 f_send_cur_buf = 0;
t_s32 f_precopy_cur_buf = 0;
t_s32 f_postcopy_cur_buf = 0;
mlan_buffer mbuf_aggr;
ENTER();
PRINTM(MDAT_D, "host_2_card_mp_aggr: next_pkt_len: %d curr_port:%d\n",
next_pkt_len, port);
if ((!pmadapter->mpa_tx.enabled) || (port == CTRL_PORT)) {
PRINTM(MINFO, "host_2_card_mp_aggr: tx aggregation disabled !\n");
f_send_cur_buf = 1;
goto tx_curr_single;
}
if (next_pkt_len) {
/* More pkt in TX queue */
PRINTM(MINFO, "host_2_card_mp_aggr: More packets in Queue.\n");
if (MP_TX_AGGR_IN_PROGRESS(pmadapter)) {
if (!MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter) &&
MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len)) {
f_precopy_cur_buf = 1;
if (!(pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port))
|| !MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf,
next_pkt_len)) {
f_send_aggr_buf = 1;
}
} else {
/* No room in Aggr buf, send it */
f_send_aggr_buf = 1;
if (MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter) ||
!(pmadapter->
mp_wr_bitmap & (1 << pmadapter->curr_wr_port))) {
f_send_cur_buf = 1;
} else {
f_postcopy_cur_buf = 1;
}
}
} else {
if (MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len) &&
(pmadapter->mp_wr_bitmap & (1 << pmadapter->curr_wr_port)))
f_precopy_cur_buf = 1;
else
f_send_cur_buf = 1;
}
} else {
/* Last pkt in TX queue */
PRINTM(MINFO, "host_2_card_mp_aggr: Last packet in Tx Queue.\n");
if (MP_TX_AGGR_IN_PROGRESS(pmadapter)) {
/* some packs in Aggr buf already */
f_send_aggr_buf = 1;
if (MP_TX_AGGR_BUF_HAS_ROOM(pmadapter, mbuf, mbuf->data_len)) {
f_precopy_cur_buf = 1;
} else {
/* No room in Aggr buf, send it */
f_send_cur_buf = 1;
}
} else {
f_send_cur_buf = 1;
}
}
if (f_precopy_cur_buf) {
PRINTM(MDATA, "host_2_card_mp_aggr: Precopy current buffer\n");
MP_TX_AGGR_BUF_PUT(pmadapter, mbuf, port);
if (MP_TX_AGGR_PKT_LIMIT_REACHED(pmadapter) ||
MP_TX_AGGR_PORT_LIMIT_REACHED(pmadapter)) {
PRINTM(MDAT_D,
"host_2_card_mp_aggr: Aggregation Pkt limit reached\n");
/* No more pkts allowed in Aggr buf, send it */
f_send_aggr_buf = 1;
}
}
if (f_send_aggr_buf) {
PRINTM(MDATA, "host_2_card_mp_aggr: Send aggregation buffer."
"%d %d\n", pmadapter->mpa_tx.start_port,
pmadapter->mpa_tx.ports);
memset(&mbuf_aggr, 0, sizeof(mlan_buffer));
mbuf_aggr.pbuf = (t_u8 *) pmadapter->mpa_tx.buf;
mbuf_aggr.data_len = pmadapter->mpa_tx.buf_len;
ret = pcb->moal_write_data_sync(pmadapter->pmoal_handle, &mbuf_aggr,
(pmadapter->ioport | 0x1000 |
(pmadapter->mpa_tx.ports << 4)) +
pmadapter->mpa_tx.start_port, 0);
MP_TX_AGGR_BUF_RESET(pmadapter);
}
tx_curr_single:
if (f_send_cur_buf) {
PRINTM(MDATA, "host_2_card_mp_aggr: Send current buffer %d\n", port);
ret = pcb->moal_write_data_sync(pmadapter->pmoal_handle, mbuf,
pmadapter->ioport + port, 0);
}
if (f_postcopy_cur_buf) {
PRINTM(MDATA, "host_2_card_mp_aggr: Postcopy current buffer\n");
MP_TX_AGGR_BUF_PUT(pmadapter, mbuf, port);
}
LEAVE();
return ret;
}
#endif /* SDIO_MULTI_PORT_TX_AGGR */
#if defined(SDIO_MULTI_PORT_TX_AGGR) || defined(SDIO_MULTI_PORT_RX_AGGR)
/**
* @brief This function allocates buffer for the SDIO aggregation buffer
* related members of adapter structure
*
* @param pmadapter A pointer to mlan_adapter structure
* @param mpa_tx_buf_size Tx buffer size to allocate
* @param mpa_rx_buf_size Rx buffer size to allocate
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_alloc_sdio_mpa_buffers(IN mlan_adapter * pmadapter,
t_u32 mpa_tx_buf_size, t_u32 mpa_rx_buf_size)
{
mlan_status ret = MLAN_STATUS_SUCCESS;
pmlan_callbacks pcb = &pmadapter->callbacks;
#ifdef SDIO_MULTI_PORT_TX_AGGR
ret =
pcb->moal_malloc(mpa_tx_buf_size + HEADER_ALIGNMENT,
(t_u8 **) & pmadapter->mpa_tx.head_ptr);
if (ret != MLAN_STATUS_SUCCESS || !pmadapter->mpa_tx.head_ptr) {
PRINTM(MERROR, "Could not allocate buffer for SDIO MP TX aggr\n");
ret = MLAN_STATUS_FAILURE;
goto error;
}
pmadapter->mpa_tx.buf =
(t_u8 *) ALIGN_ADDR(pmadapter->mpa_tx.head_ptr, HEADER_ALIGNMENT);
pmadapter->mpa_tx.buf_size = mpa_tx_buf_size;
#endif /* SDIO_MULTI_PORT_TX_AGGR */
#ifdef SDIO_MULTI_PORT_RX_AGGR
ret =
pcb->moal_malloc(mpa_rx_buf_size + HEADER_ALIGNMENT,
(t_u8 **) & pmadapter->mpa_rx.head_ptr);
if (ret != MLAN_STATUS_SUCCESS || !pmadapter->mpa_rx.head_ptr) {
PRINTM(MERROR, "Could not allocate buffer for SDIO MP RX aggr\n");
ret = MLAN_STATUS_FAILURE;
goto error;
}
pmadapter->mpa_rx.buf =
(t_u8 *) ALIGN_ADDR(pmadapter->mpa_rx.head_ptr, HEADER_ALIGNMENT);
pmadapter->mpa_rx.buf_size = mpa_rx_buf_size;
#endif /* SDIO_MULTI_PORT_RX_AGGR */
error:
if (ret != MLAN_STATUS_SUCCESS) {
wlan_free_sdio_mpa_buffers(pmadapter);
}
LEAVE();
return ret;
}
/**
* @brief This function frees buffers for the SDIO aggregation
*
* @param pmadapter A pointer to mlan_adapter structure
*
* @return MLAN_STATUS_SUCCESS or MLAN_STATUS_FAILURE
*/
mlan_status
wlan_free_sdio_mpa_buffers(IN mlan_adapter * pmadapter)
{
pmlan_callbacks pcb = &pmadapter->callbacks;
#ifdef SDIO_MULTI_PORT_TX_AGGR
if (pmadapter->mpa_tx.buf) {
pcb->moal_mfree((t_u8 *) pmadapter->mpa_tx.head_ptr);
pmadapter->mpa_tx.head_ptr = MNULL;
pmadapter->mpa_tx.buf = MNULL;
pmadapter->mpa_tx.buf_size = 0;
}
#endif /* SDIO_MULTI_PORT_TX_AGGR */
#ifdef SDIO_MULTI_PORT_RX_AGGR
if (pmadapter->mpa_rx.buf) {
pcb->moal_mfree((t_u8 *) pmadapter->mpa_rx.head_ptr);
pmadapter->mpa_rx.head_ptr = MNULL;
pmadapter->mpa_rx.buf = MNULL;
pmadapter->mpa_rx.buf_size = 0;
}
#endif /* SDIO_MULTI_PORT_RX_AGGR */
return MLAN_STATUS_SUCCESS;
}
#endif /* SDIO_MULTI_PORT_TX_AGGR || SDIO_MULTI_PORT_RX_AGGR */