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mwifiex: add support for P2P client in interface type change 

When cfg80211 calls to change interface type for P2P client,
send P2P mode config commands to firmware.

Signed-off-by: Stone Piao <piaoyun@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 20:23:41 -07:00 committed by John W. Linville
parent 197f4a2ec9
commit e1a2b7a394
4 changed files with 95 additions and 0 deletions
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54
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -674,6 +674,44 @@ mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
return 0;
}
static int
mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv)
{
u16 mode = P2P_MODE_DISABLE;
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode))
return -1;
return 0;
}
/*
* This function initializes the functionalities for P2P client.
* The P2P client initialization sequence is:
* disable -> device -> client
*/
static int
mwifiex_cfg80211_init_p2p_client(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_CLIENT;
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_P2P_MODE_CFG,
HostCmd_ACT_GEN_SET, 0, &mode))
return -1;
return 0;
}
/*
* CFG802.11 operation handler to change interface type.
*/
@ -706,6 +744,11 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
switch (type) {
case NL80211_IFTYPE_ADHOC:
break;
case NL80211_IFTYPE_P2P_CLIENT:
if (mwifiex_cfg80211_init_p2p_client(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 */
@ -731,6 +774,17 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy,
return -EOPNOTSUPP;
}
break;
case NL80211_IFTYPE_P2P_CLIENT:
switch (type) {
case NL80211_IFTYPE_STATION:
if (mwifiex_cfg80211_deinit_p2p(priv))
return -EFAULT;
dev->ieee80211_ptr->iftype = type;
return 0;
default:
return -EOPNOTSUPP;
}
break;
default:
wiphy_err(wiphy, "%s: unknown iftype: %d\n",
dev->name, dev->ieee80211_ptr->iftype);

14
drivers/net/wireless/mwifiex/fw.h
View File

@ -261,6 +261,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define HostCmd_CMD_TX_RATE_CFG 0x00d6
#define HostCmd_CMD_802_11_PS_MODE_ENH 0x00e4
#define HostCmd_CMD_802_11_HS_CFG_ENH 0x00e5
#define HostCmd_CMD_P2P_MODE_CFG 0x00eb
#define HostCmd_CMD_CAU_REG_ACCESS 0x00ed
#define HostCmd_CMD_SET_BSS_MODE 0x00f7
#define HostCmd_CMD_PCIE_DESC_DETAILS 0x00fa
@ -291,6 +292,13 @@ enum ENH_PS_MODES {
DIS_AUTO_PS = 0xfe,
};
enum P2P_MODES {
P2P_MODE_DISABLE = 0,
P2P_MODE_DEVICE = 1,
P2P_MODE_GO = 2,
P2P_MODE_CLIENT = 3,
};
#define HostCmd_RET_BIT 0x8000
#define HostCmd_ACT_GEN_GET 0x0000
#define HostCmd_ACT_GEN_SET 0x0001
@ -1346,6 +1354,11 @@ struct host_cmd_ds_mgmt_frame_reg {
__le32 mask;
} __packed;
struct host_cmd_ds_p2p_mode_cfg {
__le16 action;
__le16 mode;
} __packed;
struct host_cmd_ds_remain_on_chan {
__le16 action;
u8 status;
@ -1465,6 +1478,7 @@ struct host_cmd_ds_command {
struct host_cmd_ds_version_ext verext;
struct host_cmd_ds_mgmt_frame_reg reg_mask;
struct host_cmd_ds_remain_on_chan roc_cfg;
struct host_cmd_ds_p2p_mode_cfg mode_cfg;
struct host_cmd_ds_802_11_ibss_status ibss_coalescing;
struct host_cmd_ds_mac_reg_access mac_reg;
struct host_cmd_ds_bbp_reg_access bbp_reg;

8
drivers/net/wireless/mwifiex/sta_cmd.c
View File

@ -1184,6 +1184,14 @@ int mwifiex_sta_prepare_cmd(struct mwifiex_private *priv, uint16_t cmd_no,
cpu_to_le16(sizeof(struct host_cmd_ds_remain_on_chan) +
S_DS_GEN);
break;
case HostCmd_CMD_P2P_MODE_CFG:
cmd_ptr->command = cpu_to_le16(cmd_no);
cmd_ptr->params.mode_cfg.action = cpu_to_le16(cmd_action);
cmd_ptr->params.mode_cfg.mode = cpu_to_le16(*(u16 *)data_buf);
cmd_ptr->size =
cpu_to_le16(sizeof(struct host_cmd_ds_p2p_mode_cfg) +
S_DS_GEN);
break;
case HostCmd_CMD_FUNC_INIT:
if (priv->adapter->hw_status == MWIFIEX_HW_STATUS_RESET)
priv->adapter->hw_status = MWIFIEX_HW_STATUS_READY;

19
drivers/net/wireless/mwifiex/sta_cmdresp.c
View File

@ -669,6 +669,22 @@ mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
return 0;
}
/*
* This function handles the command response of P2P mode cfg.
*/
static int
mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp,
void *data_buf)
{
struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
if (data_buf)
*((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
return 0;
}
/*
* This function handles the command response of register access.
*
@ -894,6 +910,9 @@ int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
case HostCmd_CMD_REMAIN_ON_CHAN:
ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
break;
case HostCmd_CMD_P2P_MODE_CFG:
ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
break;
case HostCmd_CMD_MGMT_FRAME_REG:
case HostCmd_CMD_FUNC_INIT:
case HostCmd_CMD_FUNC_SHUTDOWN: