From: Stone Piao <piaoyun@xxxxxxxxxxx>
Add a new command to implement remain_on_channel and
cancel_remain_on_channel.
Signed-off-by: Stone Piao <piaoyun@xxxxxxxxxxx>
Signed-off-by: Kiran Divekar <dkiran@xxxxxxxxxxx>
Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx>
---
drivers/net/wireless/mwifiex/cfg80211.c | 82 +++++++++++++++++++++++++++-
drivers/net/wireless/mwifiex/fw.h | 12 ++++
drivers/net/wireless/mwifiex/init.c | 2 +-
drivers/net/wireless/mwifiex/main.h | 15 +++++-
drivers/net/wireless/mwifiex/sta_cmd.c | 8 +++
drivers/net/wireless/mwifiex/sta_cmdresp.c | 19 +++++++
drivers/net/wireless/mwifiex/sta_ioctl.c | 29 ++++++++++
drivers/net/wireless/mwifiex/util.c | 2 +-
8 files changed, 163 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index f86043d..261d7c5 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -77,8 +77,7 @@ static const struct ieee80211_regdomain mwifiex_world_regdom_custom = {
* NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW
* Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE
*/
-static u8
-mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
+u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type)
{
switch (chan_type) {
case NL80211_CHAN_NO_HT:
@@ -248,6 +247,79 @@ mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy,
}
/*
+ * CFG802.11 operation handler to remain on channel.
+ */
+static int
+mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type channel_type,
+ unsigned int duration, u64 *cookie)
+{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
+ int ret;
+
+ if (!chan || !cookie) {
+ wiphy_err(wiphy, "Invalid parameter for ROC\n");
+ return -EINVAL;
+ }
+
+ if (priv->roc_cfg.cookie) {
+ wiphy_dbg(wiphy, "info: ongoing ROC, cookie = 0x%llu\n",
+ priv->roc_cfg.cookie);
+ return -EBUSY;
+ }
+
+ ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan,
+ &channel_type, duration);
+
+ if (!ret) {
+ *cookie = random32() | 1;
+ priv->roc_cfg.cookie = *cookie;
+ priv->roc_cfg.chan = *chan;
+ priv->roc_cfg.chan_type = channel_type;
+
+ cfg80211_ready_on_channel(wdev, *cookie, chan, channel_type,
+ duration, GFP_ATOMIC);
+
+ wiphy_dbg(wiphy, "info: ROC, cookie = 0x%llx\n", *cookie);
+ }
+
+ return ret;
+}
+
+/*
+ * CFG802.11 operation handler to cancel remain on channel.
+ */
+static int
+mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy,
+ struct wireless_dev *wdev, u64 cookie)
+{
+ struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
+ int ret;
+
+ if (cookie != priv->roc_cfg.cookie)
+ return -ENOENT;
+
+ ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE,
+ &priv->roc_cfg.chan,
+ &priv->roc_cfg.chan_type, 0);
+
+ if (!ret) {
+ cfg80211_remain_on_channel_expired(wdev, cookie,
+ &priv->roc_cfg.chan,
+ priv->roc_cfg.chan_type,
+ GFP_ATOMIC);
+
+ memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg));
+
+ wiphy_dbg(wiphy, "info: cancel ROC, cookie = 0x%llx\n", cookie);
+ }
+
+ return ret;
+}
+
+/*
* CFG802.11 operation handler to set Tx power.
*/
static int
@@ -1950,6 +2022,8 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.del_key = mwifiex_cfg80211_del_key,
.mgmt_tx = mwifiex_cfg80211_mgmt_tx,
.mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register,
+ .remain_on_channel = mwifiex_cfg80211_remain_on_channel,
+ .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel,
.set_default_key = mwifiex_cfg80211_set_default_key,
.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
.set_tx_power = mwifiex_cfg80211_set_tx_power,
@@ -1987,6 +2061,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH;
wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN;
wiphy->mgmt_stypes = mwifiex_mgmt_stypes;
+ wiphy->max_remain_on_channel_duration = 5000;
wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
BIT(NL80211_IFTYPE_AP);
@@ -2008,7 +2083,8 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter)
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME |
WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |
- WIPHY_FLAG_CUSTOM_REGULATORY;
+ WIPHY_FLAG_CUSTOM_REGULATORY |
+ WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
wiphy_apply_custom_regulatory(wiphy, &mwifiex_world_regdom_custom);
diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h
index b587ea3..9818cae 100644
--- a/drivers/net/wireless/mwifiex/fw.h
+++ b/drivers/net/wireless/mwifiex/fw.h
@@ -265,6 +265,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define HostCmd_CMD_SET_BSS_MODE 0x00f7
#define HostCmd_CMD_PCIE_DESC_DETAILS 0x00fa
#define HostCmd_CMD_MGMT_FRAME_REG 0x010c
+#define HostCmd_CMD_REMAIN_ON_CHAN 0x010d
#define PROTOCOL_NO_SECURITY 0x01
#define PROTOCOL_STATIC_WEP 0x02
@@ -293,6 +294,7 @@ enum ENH_PS_MODES {
#define HostCmd_RET_BIT 0x8000
#define HostCmd_ACT_GEN_GET 0x0000
#define HostCmd_ACT_GEN_SET 0x0001
+#define HostCmd_ACT_GEN_REMOVE 0x0004
#define HostCmd_ACT_BITWISE_SET 0x0002
#define HostCmd_ACT_BITWISE_CLR 0x0003
#define HostCmd_RESULT_OK 0x0000
@@ -1343,6 +1345,15 @@ struct host_cmd_ds_mgmt_frame_reg {
__le32 mask;
} __packed;
+struct host_cmd_ds_remain_on_chan {
+ __le16 action;
+ u8 status;
+ u8 reserved;
+ u8 band_cfg;
+ u8 channel;
+ __le32 duration;
+} __packed;
+
struct host_cmd_ds_802_11_ibss_status {
__le16 action;
__le16 enable;
@@ -1452,6 +1463,7 @@ struct host_cmd_ds_command {
struct host_cmd_ds_802_11_key_material key_material;
struct host_cmd_ds_version_ext verext;
struct host_cmd_ds_mgmt_frame_reg reg_mask;
+ struct host_cmd_ds_remain_on_chan roc_cfg;
struct host_cmd_ds_802_11_ibss_status ibss_coalescing;
struct host_cmd_ds_mac_reg_access mac_reg;
struct host_cmd_ds_bbp_reg_access bbp_reg;
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 105a5c5..fa96dc3 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -214,7 +214,7 @@ static int mwifiex_init_priv(struct mwifiex_private *priv)
priv->wps_ie = NULL;
priv->wps_ie_len = 0;
priv->ap_11n_enabled = 0;
- priv->mgmt_rx_freq = 2437;
+ memset(&priv->roc_cfg, 0, sizeof(priv->roc_cfg));
priv->scan_block = false;
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index ec5794e..89ba66e 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -370,6 +370,12 @@ struct wps {
u8 session_enable;
};
+struct mwifiex_roc_cfg {
+ u64 cookie;
+ struct ieee80211_channel chan;
+ enum nl80211_channel_type chan_type;
+};
+
struct mwifiex_adapter;
struct mwifiex_private;
@@ -497,7 +503,7 @@ struct mwifiex_private {
struct timer_list scan_delay_timer;
u8 ap_11n_enabled;
u32 mgmt_frame_mask;
- u32 mgmt_rx_freq;
+ struct mwifiex_roc_cfg roc_cfg;
};
enum mwifiex_ba_status {
@@ -1007,6 +1013,11 @@ int mwifiex_set_gen_ie(struct mwifiex_private *priv, u8 *ie, int ie_len);
int mwifiex_get_ver_ext(struct mwifiex_private *priv);
+int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type *channel_type,
+ unsigned int duration);
+
int mwifiex_get_stats_info(struct mwifiex_private *priv,
struct mwifiex_ds_get_stats *log);
@@ -1049,6 +1060,8 @@ int mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
int mwifiex_check_network_compatibility(struct mwifiex_private *priv,
struct mwifiex_bssdescriptor *bss_desc);
+u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type);
+
struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
const char *name,
enum nl80211_iftype type,
diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c
index dc4fe8c..0252446 100644
--- a/drivers/net/wireless/mwifiex/sta_cmd.c
+++ b/drivers/net/wireless/mwifiex/sta_cmd.c
@@ -1176,6 +1176,14 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
S_DS_GEN);
ret = 0;
break;
+ case HostCmd_CMD_REMAIN_ON_CHAN:
+ cmd_ptr->command = cpu_to_le16(cmd_no);
+ memcpy(&cmd_ptr->params, data_buf,
+ sizeof(struct host_cmd_ds_remain_on_chan));
+ cmd_ptr->size =
+ cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
+ S_DS_GEN);
+ break;
case HostCmd_CMD_FUNC_INIT:
if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index d1f53e3..621d36e 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -654,6 +654,22 @@ static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
}
/*
+ * This function handles the command response of remain on channel.
+ */
+static int
+mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
+ struct host_cmd_ds_command *resp,
+ struct host_cmd_ds_remain_on_chan *roc_cfg)
+{
+ struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
+
+ if (roc_cfg)
+ memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
+
+ return 0;
+}
+
+/*
* This function handles the command response of register access.
*
* The register value and offset are returned to the user. For EEPROM
@@ -875,6 +891,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
case HostCmd_CMD_VERSION_EXT:
ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
break;
+ case HostCmd_CMD_REMAIN_ON_CHAN:
+ ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
+ break;
case HostCmd_CMD_MGMT_FRAME_REG:
case HostCmd_CMD_FUNC_INIT:
case HostCmd_CMD_FUNC_SHUTDOWN:
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 731562f..fd09a21 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -1043,6 +1043,35 @@ mwifiex_get_ver_ext(struct mwifiex_private *priv)
return 0;
}
+int
+mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
+ struct ieee80211_channel *chan,
+ enum nl80211_channel_type *ct,
+ unsigned int duration)
+{
+ struct host_cmd_ds_remain_on_chan roc_cfg;
+ u8 sc;
+
+ memset(&roc_cfg, 0, sizeof(roc_cfg));
+ roc_cfg.action = cpu_to_le16(action);
+ if (action == HostCmd_ACT_GEN_SET) {
+ roc_cfg.band_cfg = chan->band;
+ sc = mwifiex_chan_type_to_sec_chan_offset(*ct);
+ roc_cfg.band_cfg |= (sc << 2);
+
+ roc_cfg.channel =
+ ieee80211_frequency_to_channel(chan->center_freq);
+ roc_cfg.duration = cpu_to_le32(duration);
+ }
+ if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_REMAIN_ON_CHAN,
+ action, 0, &roc_cfg)) {
+ dev_err(priv->adapter->dev, "failed to remain on channel\n");
+ return -1;
+ }
+
+ return roc_cfg.status;
+}
+
/*
* Sends IOCTL request to get statistics information.
*
diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c
index e1dc3e4..ae88f80 100644
--- a/drivers/net/wireless/mwifiex/util.c
+++ b/drivers/net/wireless/mwifiex/util.c
@@ -174,7 +174,7 @@ mwifiex_process_mgmt_packet(struct mwifiex_adapter *adapter,
pkt_len -= ETH_ALEN + sizeof(pkt_len);
rx_pd->rx_pkt_length = cpu_to_le16(pkt_len);
- cfg80211_rx_mgmt(priv->wdev, priv->mgmt_rx_freq,
+ cfg80211_rx_mgmt(priv->wdev, priv->roc_cfg.chan.center_freq,
CAL_RSSI(rx_pd->snr, rx_pd->nf),
skb->data, pkt_len, GFP_ATOMIC);
--
1.7.0.2
--
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