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mwifiex: add support for P2P GO in interface type change

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When cfg80211 calls to change interface type for P2P GO, send
P2P mode config commands to firmware and set bss role and bss
mode accordingly.

Signed-off-by: Stone Piao <piaoyun@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stone Piao 2012-09-25 20:23:42 -07:00 committed by John W. Linville
parent e1a2b7a394
commit 9197ab9e5f
6 changed files with 90 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -679,6 +679,9 @@ mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
u16 mode = P2P_MODE_DISABLE;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA)
mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_STA);
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode))
return -1;
@ -712,6 +715,35 @@ mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv)
return 0;
}
/*
* This function initializes the functionalities for P2P GO.
* The P2P GO initialization sequence is:
* disable -> device -> GO
*/
static int
mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv)
{
u16 mode;
if (mwifiex_cfg80211_deinit_p2p(priv))
return -1;
mode = P2P_MODE_DEVICE;
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode))
return -1;
mode = P2P_MODE_GO;
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode))
return -1;
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP);
return 0;
}
/*
* CFG802.11 operation handler to change interface type.
*/
@ -749,6 +781,11 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
return 0;
case NL80211_IFTYPE_P2P_GO:
if (mwifiex_cfg80211_init_p2p_go(priv))
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
return 0;
case NL80211_IFTYPE_UNSPECIFIED:
wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name);
case NL80211_IFTYPE_STATION: /* This shouldn't happen */
@ -775,6 +812,7 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
}
break;
case NL80211_IFTYPE_P2P_CLIENT:
case NL80211_IFTYPE_P2P_GO:
switch (type) {
case NL80211_IFTYPE_STATION:
if (mwifiex_cfg80211_deinit_p2p(priv))
@ -1135,7 +1173,7 @@ static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy,
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP) {
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) {
wiphy_err(wiphy, "%s: bss_type mismatched\n", __func__);
return -EINVAL;
}
@ -1223,7 +1261,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy,
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
u8 config_bands = 0;
if (priv->bss_type != MWIFIEX_BSS_TYPE_UAP)
if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP)
return -1;
if (mwifiex_set_mgmt_ies(priv, &params->beacon))
return -1;

1
drivers/net/wireless/mwifiex/fw.h
View File

@ -1379,6 +1379,7 @@ struct host_cmd_ds_802_11_ibss_status {
#define CONNECTION_TYPE_INFRA 0
#define CONNECTION_TYPE_ADHOC 1
#define CONNECTION_TYPE_AP 2
struct host_cmd_ds_set_bss_mode {
u8 con_type;

13
drivers/net/wireless/mwifiex/init.c
View File

@ -144,7 +144,7 @@ done:
* Additionally, it also initializes all the locks and sets up all the
* lists.
*/
static int mwifiex_init_priv(struct mwifiex_private *priv)
int mwifiex_init_priv(struct mwifiex_private *priv)
{
u32 i;
@ -648,6 +648,17 @@ static void mwifiex_delete_bss_prio_tbl(struct mwifiex_private *priv)
}
}
/*
* This function frees the private structure, including cleans
* up the TX and RX queues and frees the BSS priority tables.
*/
void mwifiex_free_priv(struct mwifiex_private *priv)
{
mwifiex_clean_txrx(priv);
mwifiex_delete_bss_prio_tbl(priv);
mwifiex_free_curr_bcn(priv);
}
/*
* This function is used to shutdown the driver.
*

5
drivers/net/wireless/mwifiex/main.h
View File

@ -736,6 +736,9 @@ void mwifiex_stop_net_dev_queue(struct net_device *netdev,
void mwifiex_wake_up_net_dev_queue(struct net_device *netdev,
struct mwifiex_adapter *adapter);
int mwifiex_init_priv(struct mwifiex_private *priv);
void mwifiex_free_priv(struct mwifiex_private *priv);
int mwifiex_init_fw(struct mwifiex_adapter *adapter);
int mwifiex_init_fw_complete(struct mwifiex_adapter *adapter);
@ -1018,6 +1021,8 @@ int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
enum nl80211_channel_type *channel_type,
unsigned int duration);
int mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role);
int mwifiex_get_stats_info(struct mwifiex_private *priv,
struct mwifiex_ds_get_stats *log);

2
drivers/net/wireless/mwifiex/sta_cmd.c
View File

@ -1261,6 +1261,8 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
else if (priv->bss_mode == NL80211_IFTYPE_STATION)
cmd_ptr->params.bss_mode.con_type =
CONNECTION_TYPE_INFRA;
else if (priv->bss_mode == NL80211_IFTYPE_AP)
cmd_ptr->params.bss_mode.con_type = CONNECTION_TYPE_AP;
cmd_ptr->size = cpu_to_le16(sizeof(struct
host_cmd_ds_set_bss_mode) + S_DS_GEN);
ret = 0;

30
drivers/net/wireless/mwifiex/sta_ioctl.c
View File

@ -1072,6 +1072,36 @@ mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
return roc_cfg.status;
}
int
mwifiex_set_bss_role(struct mwifiex_private *priv, u8 bss_role)
{
if (GET_BSS_ROLE(priv) == bss_role) {
dev_dbg(priv->adapter->dev,
"info: already in the desired role.\n");
return 0;
}
mwifiex_free_priv(priv);
mwifiex_init_priv(priv);
priv->bss_role = bss_role;
switch (bss_role) {
case MWIFIEX_BSS_ROLE_UAP:
priv->bss_mode = NL80211_IFTYPE_AP;
break;
case MWIFIEX_BSS_ROLE_STA:
case MWIFIEX_BSS_ROLE_ANY:
default:
priv->bss_mode = NL80211_IFTYPE_STATION;
break;
}
mwifiex_send_cmd_sync(priv, HostCmd_CMD_SET_BSS_MODE,
HostCmd_ACT_GEN_SET, 0, NULL);
return mwifiex_sta_init_cmd(priv, false);
}
/*
* Sends IOCTL request to get statistics information.
*