diff options
author | Stone Piao <piaoyun@marvell.com> | 2012-09-25 20:23:36 -0700 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-09-28 13:54:04 -0400 |
commit | 7feb4c48313d58b445a91a598d99c025029ce00b (patch) | |
tree | b77c5922101df50081442a96335a0730a235ca45 /drivers/net/wireless/mwifiex/cfg80211.c | |
parent | 2dbaf751b1dec3a603130a475f94cc4d3f404362 (diff) | |
download | op-kernel-dev-7feb4c48313d58b445a91a598d99c025029ce00b.zip op-kernel-dev-7feb4c48313d58b445a91a598d99c025029ce00b.tar.gz |
mwifiex: implement remain_on_channel and cancel_remain_on_channel
Add a new command to implement remain_on_channel and
cancel_remain_on_channel.
Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 82 |
1 files changed, 79 insertions, 3 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); |