--- /dev/null
+#include "cmd.h"
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/etherdevice.h>
+
+#include "wl1251.h"
+#include "reg.h"
+#include "io.h"
+#include "ps.h"
+#include "acx.h"
+
+/**
+ * send command to firmware
+ *
+ * @wl: wl struct
+ * @id: command id
+ * @buf: buffer containing the command, must work with dma
+ * @len: length of the buffer
+ */
+int wl1251_cmd_send(struct wl1251 *wl, u16 id, void *buf, size_t len)
+{
+ struct wl1251_cmd_header *cmd;
+ unsigned long timeout;
+ u32 intr;
+ int ret = 0;
+
+ cmd = buf;
+ cmd->id = id;
+ cmd->status = 0;
+
+ WARN_ON(len % 4 != 0);
+
+ wl1251_mem_write(wl, wl->cmd_box_addr, buf, len);
+
+ wl1251_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
+
+ timeout = jiffies + msecs_to_jiffies(WL1251_COMMAND_TIMEOUT);
+
+ intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+ while (!(intr & WL1251_ACX_INTR_CMD_COMPLETE)) {
+ if (time_after(jiffies, timeout)) {
+ wl1251_error("command complete timeout");
+ ret = -ETIMEDOUT;
+ goto out;
+ }
+
+ msleep(1);
+
+ intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
+ }
+
+ wl1251_reg_write32(wl, ACX_REG_INTERRUPT_ACK,
+ WL1251_ACX_INTR_CMD_COMPLETE);
+
+out:
+ return ret;
+}
+
+/**
+ * send test command to firmware
+ *
+ * @wl: wl struct
+ * @buf: buffer containing the command, with all headers, must work with dma
+ * @len: length of the buffer
+ * @answer: is answer needed
+ */
+int wl1251_cmd_test(struct wl1251 *wl, void *buf, size_t buf_len, u8 answer)
+{
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd test");
+
+ ret = wl1251_cmd_send(wl, CMD_TEST, buf, buf_len);
+
+ if (ret < 0) {
+ wl1251_warning("TEST command failed");
+ return ret;
+ }
+
+ if (answer) {
+ struct wl1251_command *cmd_answer;
+
+ /*
+ * The test command got in, we can read the answer.
+ * The answer would be a wl1251_command, where the
+ * parameter array contains the actual answer.
+ */
+ wl1251_mem_read(wl, wl->cmd_box_addr, buf, buf_len);
+
+ cmd_answer = buf;
+
+ if (cmd_answer->header.status != CMD_STATUS_SUCCESS)
+ wl1251_error("TEST command answer error: %d",
+ cmd_answer->header.status);
+ }
+
+ return 0;
+}
+
+/**
+ * read acx from firmware
+ *
+ * @wl: wl struct
+ * @id: acx id
+ * @buf: buffer for the response, including all headers, must work with dma
+ * @len: length of buf
+ */
+int wl1251_cmd_interrogate(struct wl1251 *wl, u16 id, void *buf, size_t len)
+{
+ struct acx_header *acx = buf;
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd interrogate");
+
+ acx->id = id;
+
+ /* payload length, does not include any headers */
+ acx->len = len - sizeof(*acx);
+
+ ret = wl1251_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx));
+ if (ret < 0) {
+ wl1251_error("INTERROGATE command failed");
+ goto out;
+ }
+
+ /* the interrogate command got in, we can read the answer */
+ wl1251_mem_read(wl, wl->cmd_box_addr, buf, len);
+
+ acx = buf;
+ if (acx->cmd.status != CMD_STATUS_SUCCESS)
+ wl1251_error("INTERROGATE command error: %d",
+ acx->cmd.status);
+
+out:
+ return ret;
+}
+
+/**
+ * write acx value to firmware
+ *
+ * @wl: wl struct
+ * @id: acx id
+ * @buf: buffer containing acx, including all headers, must work with dma
+ * @len: length of buf
+ */
+int wl1251_cmd_configure(struct wl1251 *wl, u16 id, void *buf, size_t len)
+{
+ struct acx_header *acx = buf;
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd configure");
+
+ acx->id = id;
+
+ /* payload length, does not include any headers */
+ acx->len = len - sizeof(*acx);
+
+ ret = wl1251_cmd_send(wl, CMD_CONFIGURE, acx, len);
+ if (ret < 0) {
+ wl1251_warning("CONFIGURE command NOK");
+ return ret;
+ }
+
+ return 0;
+}
+
+int wl1251_cmd_vbm(struct wl1251 *wl, u8 identity,
+ void *bitmap, u16 bitmap_len, u8 bitmap_control)
+{
+ struct wl1251_cmd_vbm_update *vbm;
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd vbm");
+
+ vbm = kzalloc(sizeof(*vbm), GFP_KERNEL);
+ if (!vbm) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* Count and period will be filled by the target */
+ vbm->tim.bitmap_ctrl = bitmap_control;
+ if (bitmap_len > PARTIAL_VBM_MAX) {
+ wl1251_warning("cmd vbm len is %d B, truncating to %d",
+ bitmap_len, PARTIAL_VBM_MAX);
+ bitmap_len = PARTIAL_VBM_MAX;
+ }
+ memcpy(vbm->tim.pvb_field, bitmap, bitmap_len);
+ vbm->tim.identity = identity;
+ vbm->tim.length = bitmap_len + 3;
+
+ vbm->len = cpu_to_le16(bitmap_len + 5);
+
+ ret = wl1251_cmd_send(wl, CMD_VBM, vbm, sizeof(*vbm));
+ if (ret < 0) {
+ wl1251_error("VBM command failed");
+ goto out;
+ }
+
+out:
+ kfree(vbm);
+ return ret;
+}
+
+int wl1251_cmd_data_path_rx(struct wl1251 *wl, u8 channel, bool enable)
+{
+ struct cmd_enabledisable_path *cmd;
+ int ret;
+ u16 cmd_rx;
+
+ wl1251_debug(DEBUG_CMD, "cmd data path");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->channel = channel;
+
+ if (enable)
+ cmd_rx = CMD_ENABLE_RX;
+ else
+ cmd_rx = CMD_DISABLE_RX;
+
+ ret = wl1251_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("rx %s cmd for channel %d failed",
+ enable ? "start" : "stop", channel);
+ goto out;
+ }
+
+ wl1251_debug(DEBUG_BOOT, "rx %s cmd channel %d",
+ enable ? "start" : "stop", channel);
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_data_path_tx(struct wl1251 *wl, u8 channel, bool enable)
+{
+ struct cmd_enabledisable_path *cmd;
+ int ret;
+ u16 cmd_tx;
+
+ wl1251_debug(DEBUG_CMD, "cmd data path");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->channel = channel;
+
+ if (enable)
+ cmd_tx = CMD_ENABLE_TX;
+ else
+ cmd_tx = CMD_DISABLE_TX;
+
+ ret = wl1251_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd));
+ if (ret < 0)
+ wl1251_error("tx %s cmd for channel %d failed",
+ enable ? "start" : "stop", channel);
+ else
+ wl1251_debug(DEBUG_BOOT, "tx %s cmd channel %d",
+ enable ? "start" : "stop", channel);
+
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_join(struct wl1251 *wl, u8 bss_type, u8 channel,
+ u16 beacon_interval, u8 dtim_interval)
+{
+ struct cmd_join *join;
+ int ret, i;
+ u8 *bssid;
+
+ join = kzalloc(sizeof(*join), GFP_KERNEL);
+ if (!join) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ wl1251_debug(DEBUG_CMD, "cmd join%s ch %d %d/%d",
+ bss_type == BSS_TYPE_IBSS ? " ibss" : "",
+ channel, beacon_interval, dtim_interval);
+
+ /* Reverse order BSSID */
+ bssid = (u8 *) &join->bssid_lsb;
+ for (i = 0; i < ETH_ALEN; i++)
+ bssid[i] = wl->bssid[ETH_ALEN - i - 1];
+
+ join->rx_config_options = wl->rx_config;
+ join->rx_filter_options = wl->rx_filter;
+
+ join->basic_rate_set = RATE_MASK_1MBPS | RATE_MASK_2MBPS |
+ RATE_MASK_5_5MBPS | RATE_MASK_11MBPS;
+
+ join->beacon_interval = beacon_interval;
+ join->dtim_interval = dtim_interval;
+ join->bss_type = bss_type;
+ join->channel = channel;
+ join->ctrl = JOIN_CMD_CTRL_TX_FLUSH;
+
+ ret = wl1251_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join));
+ if (ret < 0) {
+ wl1251_error("failed to initiate cmd join");
+ goto out;
+ }
+
+out:
+ kfree(join);
+ return ret;
+}
+
+int wl1251_cmd_ps_mode(struct wl1251 *wl, u8 ps_mode)
+{
+ struct wl1251_cmd_ps_params *ps_params = NULL;
+ int ret = 0;
+
+ wl1251_debug(DEBUG_CMD, "cmd set ps mode");
+
+ ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
+ if (!ps_params) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ps_params->ps_mode = ps_mode;
+ ps_params->send_null_data = 1;
+ ps_params->retries = 5;
+ ps_params->hang_over_period = 128;
+ ps_params->null_data_rate = 1; /* 1 Mbps */
+
+ ret = wl1251_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
+ sizeof(*ps_params));
+ if (ret < 0) {
+ wl1251_error("cmd set_ps_mode failed");
+ goto out;
+ }
+
+out:
+ kfree(ps_params);
+ return ret;
+}
+
+int wl1251_cmd_read_memory(struct wl1251 *wl, u32 addr, void *answer,
+ size_t len)
+{
+ struct cmd_read_write_memory *cmd;
+ int ret = 0;
+
+ wl1251_debug(DEBUG_CMD, "cmd read memory");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ WARN_ON(len > MAX_READ_SIZE);
+ len = min_t(size_t, len, MAX_READ_SIZE);
+
+ cmd->addr = addr;
+ cmd->size = len;
+
+ ret = wl1251_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("read memory command failed: %d", ret);
+ goto out;
+ }
+
+ /* the read command got in, we can now read the answer */
+ wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
+
+ if (cmd->header.status != CMD_STATUS_SUCCESS)
+ wl1251_error("error in read command result: %d",
+ cmd->header.status);
+
+ memcpy(answer, cmd->value, len);
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_template_set(struct wl1251 *wl, u16 cmd_id,
+ void *buf, size_t buf_len)
+{
+ struct wl1251_cmd_packet_template *cmd;
+ size_t cmd_len;
+ int ret = 0;
+
+ wl1251_debug(DEBUG_CMD, "cmd template %d", cmd_id);
+
+ WARN_ON(buf_len > WL1251_MAX_TEMPLATE_SIZE);
+ buf_len = min_t(size_t, buf_len, WL1251_MAX_TEMPLATE_SIZE);
+ cmd_len = ALIGN(sizeof(*cmd) + buf_len, 4);
+
+ cmd = kzalloc(cmd_len, GFP_KERNEL);
+ if (!cmd) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ cmd->size = cpu_to_le16(buf_len);
+
+ if (buf)
+ memcpy(cmd->data, buf, buf_len);
+
+ ret = wl1251_cmd_send(wl, cmd_id, cmd, cmd_len);
+ if (ret < 0) {
+ wl1251_warning("cmd set_template failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len,
+ struct ieee80211_channel *channels[],
+ unsigned int n_channels, unsigned int n_probes)
+{
+ struct wl1251_cmd_scan *cmd;
+ int i, ret = 0;
+
+ wl1251_debug(DEBUG_CMD, "cmd scan channels %d", n_channels);
+
+ WARN_ON(n_channels > SCAN_MAX_NUM_OF_CHANNELS);
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD);
+ cmd->params.rx_filter_options = cpu_to_le32(CFG_RX_PRSP_EN |
+ CFG_RX_MGMT_EN |
+ CFG_RX_BCN_EN);
+ cmd->params.scan_options = 0;
+ /*
+ * Use high priority scan when not associated to prevent fw issue
+ * causing never-ending scans (sometimes 20+ minutes).
+ * Note: This bug may be caused by the fw's DTIM handling.
+ */
+ if (is_zero_ether_addr(wl->bssid))
+ cmd->params.scan_options |= cpu_to_le16(WL1251_SCAN_OPT_PRIORITY_HIGH);
+ cmd->params.num_channels = n_channels;
+ cmd->params.num_probe_requests = n_probes;
+ cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */
+ cmd->params.tid_trigger = 0;
+
+ for (i = 0; i < n_channels; i++) {
+ cmd->channels[i].min_duration =
+ cpu_to_le32(WL1251_SCAN_MIN_DURATION);
+ cmd->channels[i].max_duration =
+ cpu_to_le32(WL1251_SCAN_MAX_DURATION);
+ memset(&cmd->channels[i].bssid_lsb, 0xff, 4);
+ memset(&cmd->channels[i].bssid_msb, 0xff, 2);
+ cmd->channels[i].early_termination = 0;
+ cmd->channels[i].tx_power_att = 0;
+ cmd->channels[i].channel = channels[i]->hw_value;
+ }
+
+ cmd->params.ssid_len = ssid_len;
+ if (ssid)
+ memcpy(cmd->params.ssid, ssid, ssid_len);
+
+ ret = wl1251_cmd_send(wl, CMD_SCAN, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("cmd scan failed: %d", ret);
+ goto out;
+ }
+
+ wl1251_mem_read(wl, wl->cmd_box_addr, cmd, sizeof(*cmd));
+
+ if (cmd->header.status != CMD_STATUS_SUCCESS) {
+ wl1251_error("cmd scan status wasn't success: %d",
+ cmd->header.status);
+ ret = -EIO;
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+ return ret;
+}
+
+int wl1251_cmd_trigger_scan_to(struct wl1251 *wl, u32 timeout)
+{
+ struct wl1251_cmd_trigger_scan_to *cmd;
+ int ret;
+
+ wl1251_debug(DEBUG_CMD, "cmd trigger scan to");
+
+ cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+
+ cmd->timeout = timeout;
+
+ ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, cmd, sizeof(*cmd));
+ if (ret < 0) {
+ wl1251_error("cmd trigger scan to failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(cmd);
+ return ret;
+}
Code Review / kvmfornfv.git / blobdiff