From 46d33a21cfa531f4271c3f0b7b87a295f30f9e6a Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Tue, 17 Jan 2012 20:08:40 +0200 Subject: [PATCH] ath6kl: unify cfg80211 init/cleanup functions Group them together and change the naming to follow the common style in ath6kl. No functional changes. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/cfg80211.c | 109 +++++++++++---------- drivers/net/wireless/ath/ath6kl/cfg80211.h | 6 +- drivers/net/wireless/ath/ath6kl/init.c | 4 +- 3 files changed, 62 insertions(+), 57 deletions(-) diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 7e92dc9799ac..44fdd39e1701 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -2755,57 +2755,6 @@ struct ath6kl *ath6kl_core_alloc(struct device *dev) return ar; } -int ath6kl_register_ieee80211_hw(struct ath6kl *ar) -{ - struct wiphy *wiphy = ar->wiphy; - int ret; - - wiphy->mgmt_stypes = ath6kl_mgmt_stypes; - - wiphy->max_remain_on_channel_duration = 5000; - - /* set device pointer for wiphy */ - set_wiphy_dev(wiphy, ar->dev); - - wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_AP); - if (ar->p2p) { - wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_CLIENT); - } - - /* max num of ssids that can be probed during scanning */ - wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; - wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ - wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; - wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; - wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; - - wiphy->cipher_suites = cipher_suites; - wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); - - wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | - WIPHY_WOWLAN_DISCONNECT | - WIPHY_WOWLAN_GTK_REKEY_FAILURE | - WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | - WIPHY_WOWLAN_EAP_IDENTITY_REQ | - WIPHY_WOWLAN_4WAY_HANDSHAKE; - wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; - wiphy->wowlan.pattern_min_len = 1; - wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; - - wiphy->max_sched_scan_ssids = 10; - - ret = wiphy_register(wiphy); - if (ret < 0) { - ath6kl_err("couldn't register wiphy device\n"); - return ret; - } - - return 0; -} - static int ath6kl_cfg80211_vif_init(struct ath6kl_vif *vif) { vif->aggr_cntxt = aggr_init(vif->ndev); @@ -2907,8 +2856,64 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, return NULL; } -void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar) +int ath6kl_cfg80211_init(struct ath6kl *ar) +{ + struct wiphy *wiphy = ar->wiphy; + int ret; + + wiphy->mgmt_stypes = ath6kl_mgmt_stypes; + + wiphy->max_remain_on_channel_duration = 5000; + + /* set device pointer for wiphy */ + set_wiphy_dev(wiphy, ar->dev); + + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_ADHOC) | + BIT(NL80211_IFTYPE_AP); + if (ar->p2p) { + wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_GO) | + BIT(NL80211_IFTYPE_P2P_CLIENT); + } + + /* max num of ssids that can be probed during scanning */ + wiphy->max_scan_ssids = MAX_PROBED_SSID_INDEX; + wiphy->max_scan_ie_len = 1000; /* FIX: what is correct limit? */ + wiphy->bands[IEEE80211_BAND_2GHZ] = &ath6kl_band_2ghz; + wiphy->bands[IEEE80211_BAND_5GHZ] = &ath6kl_band_5ghz; + wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; + + wiphy->cipher_suites = cipher_suites; + wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); + + wiphy->wowlan.flags = WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_DISCONNECT | + WIPHY_WOWLAN_GTK_REKEY_FAILURE | + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_EAP_IDENTITY_REQ | + WIPHY_WOWLAN_4WAY_HANDSHAKE; + wiphy->wowlan.n_patterns = WOW_MAX_FILTERS_PER_LIST; + wiphy->wowlan.pattern_min_len = 1; + wiphy->wowlan.pattern_max_len = WOW_PATTERN_SIZE; + + wiphy->max_sched_scan_ssids = 10; + + ret = wiphy_register(wiphy); + if (ret < 0) { + ath6kl_err("couldn't register wiphy device\n"); + return ret; + } + + return 0; +} + +void ath6kl_cfg80211_cleanup(struct ath6kl *ar) { wiphy_unregister(ar->wiphy); + + /* + * FIXME: should be removed as we remove wiphy in + * ath6kl_core_free(). Most likely this causes a use after free. + */ wiphy_free(ar->wiphy); } diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.h b/drivers/net/wireless/ath/ath6kl/cfg80211.h index aa961694cf99..08d97691039c 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.h +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.h @@ -27,10 +27,7 @@ enum ath6kl_cfg_suspend_mode { struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name, enum nl80211_iftype type, u8 fw_vif_idx, u8 nw_type); -int ath6kl_register_ieee80211_hw(struct ath6kl *ar); struct ath6kl *ath6kl_core_alloc(struct device *dev); -void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar); - void ath6kl_cfg80211_scan_complete_event(struct ath6kl_vif *vif, bool aborted); void ath6kl_cfg80211_connect_event(struct ath6kl_vif *vif, u16 channel, @@ -58,4 +55,7 @@ void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif); void ath6kl_cfg80211_stop(struct ath6kl_vif *vif); void ath6kl_cfg80211_stop_all(struct ath6kl *ar); +int ath6kl_cfg80211_init(struct ath6kl *ar); +void ath6kl_cfg80211_cleanup(struct ath6kl *ar); + #endif /* ATH6KL_CFG80211_H */ diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 3cc4e0842add..7e56a6aa70b9 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -625,7 +625,7 @@ void ath6kl_core_cleanup(struct ath6kl *ar) kfree(ar->fw_patch); kfree(ar->fw_testscript); - ath6kl_deinit_ieee80211_hw(ar); + ath6kl_cfg80211_cleanup(ar); } /* firmware upload */ @@ -1722,7 +1722,7 @@ int ath6kl_core_init(struct ath6kl *ar) ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi); - ret = ath6kl_register_ieee80211_hw(ar); + ret = ath6kl_cfg80211_init(ar); if (ret) goto err_node_cleanup; -- GitLab