From 5b13d3e1f9260878c06763a13129bc94e51b4c9c Mon Sep 17 00:00:00 2001 From: Shengzhen Li Date: Mon, 14 Dec 2015 04:15:03 -0800 Subject: [PATCH] mwifiex: multiple bss support This patch fixes issues observed while starting 3 different bss simultaneously, eg, 2 AP + 1 STA or 3 AP Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- drivers/net/wireless/marvell/mwifiex/cfg80211.c | 20 ++++++++---- drivers/net/wireless/marvell/mwifiex/decl.h | 6 ++-- drivers/net/wireless/marvell/mwifiex/main.h | 42 ++++++++++++++++++++----- 3 files changed, 51 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 47d8afd..ab0ba6a 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -825,18 +825,26 @@ mwifiex_init_new_priv_params(struct mwifiex_private *priv, switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_ADHOC: + priv->bss_num = mwifiex_get_unused_bss_num(adapter, + MWIFIEX_BSS_TYPE_STA); priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_type = MWIFIEX_BSS_TYPE_STA; break; case NL80211_IFTYPE_P2P_CLIENT: + priv->bss_num = mwifiex_get_unused_bss_num(adapter, + MWIFIEX_BSS_TYPE_P2P); priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_P2P_GO: + priv->bss_num = mwifiex_get_unused_bss_num(adapter, + MWIFIEX_BSS_TYPE_P2P); priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_AP: + priv->bss_num = mwifiex_get_unused_bss_num(adapter, + MWIFIEX_BSS_TYPE_UAP); priv->bss_type = MWIFIEX_BSS_TYPE_UAP; priv->bss_role = MWIFIEX_BSS_ROLE_UAP; break; @@ -2606,7 +2614,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - priv = mwifiex_get_unused_priv(adapter); + priv = mwifiex_get_unused_priv_by_bss_type( + adapter, MWIFIEX_BSS_TYPE_STA); if (!priv) { mwifiex_dbg(adapter, ERROR, "could not get free private struct\n"); @@ -2625,7 +2634,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; priv->bss_priority = 0; priv->bss_role = MWIFIEX_BSS_ROLE_STA; - priv->bss_num = adapter->curr_iface_comb.sta_intf; break; case NL80211_IFTYPE_AP: @@ -2636,7 +2644,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - priv = mwifiex_get_unused_priv(adapter); + priv = mwifiex_get_unused_priv_by_bss_type( + adapter, MWIFIEX_BSS_TYPE_UAP); if (!priv) { mwifiex_dbg(adapter, ERROR, "could not get free private struct\n"); @@ -2651,7 +2660,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->bss_priority = 0; priv->bss_role = MWIFIEX_BSS_ROLE_UAP; priv->bss_started = 0; - priv->bss_num = adapter->curr_iface_comb.uap_intf; priv->bss_mode = type; break; @@ -2663,7 +2671,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - priv = mwifiex_get_unused_priv(adapter); + priv = mwifiex_get_unused_priv_by_bss_type( + adapter, MWIFIEX_BSS_TYPE_P2P); if (!priv) { mwifiex_dbg(adapter, ERROR, "could not get free private struct\n"); @@ -2687,7 +2696,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->bss_priority = MWIFIEX_BSS_ROLE_STA; priv->bss_role = MWIFIEX_BSS_ROLE_STA; priv->bss_started = 0; - priv->bss_num = adapter->curr_iface_comb.p2p_intf; if (mwifiex_cfg80211_init_p2p_client(priv)) { memset(&priv->wdev, 0, sizeof(priv->wdev)); diff --git a/drivers/net/wireless/marvell/mwifiex/decl.h b/drivers/net/wireless/marvell/mwifiex/decl.h index 098e1f1..d9c15cd 100644 --- a/drivers/net/wireless/marvell/mwifiex/decl.h +++ b/drivers/net/wireless/marvell/mwifiex/decl.h @@ -111,9 +111,9 @@ /* Rate index for OFDM 0 */ #define MWIFIEX_RATE_INDEX_OFDM0 4 -#define MWIFIEX_MAX_STA_NUM 1 -#define MWIFIEX_MAX_UAP_NUM 1 -#define MWIFIEX_MAX_P2P_NUM 1 +#define MWIFIEX_MAX_STA_NUM 3 +#define MWIFIEX_MAX_UAP_NUM 3 +#define MWIFIEX_MAX_P2P_NUM 3 #define MWIFIEX_A_BAND_START_FREQ 5000 diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h index a86e2ae..10e614e 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.h +++ b/drivers/net/wireless/marvell/mwifiex/main.h @@ -1273,20 +1273,46 @@ mwifiex_get_priv(struct mwifiex_adapter *adapter, } /* + * This function checks available bss_num when adding new interface or + * changing interface type. + */ +static inline u8 +mwifiex_get_unused_bss_num(struct mwifiex_adapter *adapter, u8 bss_type) +{ + u8 i, j; + int index[MWIFIEX_MAX_BSS_NUM]; + + memset(index, 0, sizeof(index)); + for (i = 0; i < adapter->priv_num; i++) + if (adapter->priv[i]) { + if (adapter->priv[i]->bss_type == bss_type && + !(adapter->priv[i]->bss_mode == + NL80211_IFTYPE_UNSPECIFIED)) { + index[adapter->priv[i]->bss_num] = 1; + } + } + for (j = 0; j < MWIFIEX_MAX_BSS_NUM; j++) + if (!index[j]) + return j; + return -1; +} + +/* * This function returns the first available unused private structure pointer. */ static inline struct mwifiex_private * -mwifiex_get_unused_priv(struct mwifiex_adapter *adapter) +mwifiex_get_unused_priv_by_bss_type(struct mwifiex_adapter *adapter, + u8 bss_type) { - int i; + u8 i; - for (i = 0; i < adapter->priv_num; i++) { - if (adapter->priv[i]) { - if (adapter->priv[i]->bss_mode == - NL80211_IFTYPE_UNSPECIFIED) - break; + for (i = 0; i < adapter->priv_num; i++) + if (adapter->priv[i]->bss_mode == + NL80211_IFTYPE_UNSPECIFIED) { + adapter->priv[i]->bss_num = + mwifiex_get_unused_bss_num(adapter, bss_type); + break; } - } return ((i < adapter->priv_num) ? adapter->priv[i] : NULL); } -- 2.7.4