This patch enables 11h extensions in FW upon detecting DFS channel in start radar detection/channel switch handlers. Patch also takes care of disabling 11h when non DFS channels are to be set during start_ap handler.
Signed-off-by: Avinash Patil <[email protected]> Signed-off-by: Qingshui Gao <[email protected]> Signed-off-by: Cathy Luo <[email protected]> --- drivers/net/wireless/mwifiex/11h.c | 18 +++++++++++++++++- drivers/net/wireless/mwifiex/cfg80211.c | 22 ++++++++++++++++++++++ drivers/net/wireless/mwifiex/decl.h | 5 +++++ drivers/net/wireless/mwifiex/fw.h | 2 ++ drivers/net/wireless/mwifiex/init.c | 2 ++ drivers/net/wireless/mwifiex/main.h | 5 +++++ 6 files changed, 53 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mwifiex/11h.c b/drivers/net/wireless/mwifiex/11h.c index d794686..3ab87a8 100644 --- a/drivers/net/wireless/mwifiex/11h.c +++ b/drivers/net/wireless/mwifiex/11h.c @@ -21,6 +21,16 @@ #include "fw.h" +void mwifiex_init_11h_params(struct mwifiex_private *priv) +{ + priv->state_11h.is_11h_enabled = true; + priv->state_11h.is_11h_active = false; +} + +inline int mwifiex_is_11h_active(struct mwifiex_private *priv) +{ + return priv->state_11h.is_11h_active; +} /* This function appends 11h info to a buffer while joining an * infrastructure BSS */ @@ -69,10 +79,14 @@ mwifiex_11h_process_infra_join(struct mwifiex_private *priv, u8 **buffer, } /* Enable or disable the 11h extensions in the firmware */ -static int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag) +int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag) { u32 enable = flag; + /* enable master mode radar detection on AP interface */ + if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) && enable) + enable |= MWIFIEX_MASTER_RADAR_DET_MASK; + return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, HostCmd_ACT_GEN_SET, DOT11H_I, &enable, true); } @@ -91,11 +105,13 @@ void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer, * bit */ mwifiex_11h_activate(priv, true); + priv->state_11h.is_11h_active = true; bss_desc->cap_info_bitmap |= WLAN_CAPABILITY_SPECTRUM_MGMT; mwifiex_11h_process_infra_join(priv, buffer, bss_desc); } else { /* Deactivate 11h functions in the firmware */ mwifiex_11h_activate(priv, false); + priv->state_11h.is_11h_active = false; bss_desc->cap_info_bitmap &= ~WLAN_CAPABILITY_SPECTRUM_MGMT; } } diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 2d1ea93..41c8e25 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1742,6 +1742,18 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, mwifiex_set_wmm_params(priv, bss_cfg, params); + if (mwifiex_is_11h_active(priv) && + !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, + priv->bss_mode)) { + dev_dbg(priv->adapter->dev, "Disable 11h extensions in FW\n"); + if (mwifiex_11h_activate(priv, false)) { + dev_err(priv->adapter->dev, + "Failed to disable 11h extensions!!"); + return -1; + } + priv->state_11h.is_11h_active = true; + } + if (mwifiex_config_start_uap(priv, bss_cfg)) { wiphy_err(wiphy, "Failed to start AP\n"); kfree(bss_cfg); @@ -3209,6 +3221,16 @@ mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, return -EBUSY; } + if (!mwifiex_is_11h_active(priv)) { + dev_dbg(priv->adapter->dev, "Enable 11h extensions in FW\n"); + if (mwifiex_11h_activate(priv, true)) { + dev_err(priv->adapter->dev, + "Failed to activate 11h extensions!!"); + return -1; + } + priv->state_11h.is_11h_active = true; + } + memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); radar_params.chandef = chandef; radar_params.cac_time_ms = cac_time_ms; diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h index 68aed4e..88d0ead 100644 --- a/drivers/net/wireless/mwifiex/decl.h +++ b/drivers/net/wireless/mwifiex/decl.h @@ -248,4 +248,9 @@ struct mwifiex_radar_params { struct cfg80211_chan_def *chandef; u32 cac_time_ms; } __packed; + +struct mwifiex_11h_intf_state { + bool is_11h_enabled; + bool is_11h_active; +} __packed; #endif /* !_MWIFIEX_DECL_H_ */ diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 6d433227..df553e8 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -534,6 +534,8 @@ enum P2P_MODES { #define MWIFIEX_FW_V15 15 +#define MWIFIEX_MASTER_RADAR_DET_MASK BIT(1) + struct mwifiex_ie_types_header { __le16 type; __le16 len; diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index aa239a8..b77ba74 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -152,6 +152,8 @@ int mwifiex_init_priv(struct mwifiex_private *priv) priv->check_tdls_tx = false; memcpy(priv->tos_to_tid_inv, tos_to_tid_inv, MAX_NUM_TID); + mwifiex_init_11h_params(priv); + return mwifiex_add_bss_prio_tbl(priv); } diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 599698c..f0a6af1 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -595,6 +595,7 @@ struct mwifiex_private { struct workqueue_struct *dfs_chan_sw_workqueue; struct delayed_work dfs_chan_sw_work; struct cfg80211_beacon_data beacon_after; + struct mwifiex_11h_intf_state state_11h; }; enum mwifiex_ba_status { @@ -1337,6 +1338,10 @@ int mwifiex_config_start_uap(struct mwifiex_private *priv, void mwifiex_uap_del_sta_data(struct mwifiex_private *priv, struct mwifiex_sta_node *node); +void mwifiex_init_11h_params(struct mwifiex_private *priv); +int mwifiex_is_11h_active(struct mwifiex_private *priv); +int mwifiex_11h_activate(struct mwifiex_private *priv, bool flag); + void mwifiex_11h_process_join(struct mwifiex_private *priv, u8 **buffer, struct mwifiex_bssdescriptor *bss_desc); int mwifiex_11h_handle_event_chanswann(struct mwifiex_private *priv); -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
