From e1a2b7a394ad8c2da9d7f4276680aa9c42e0bd97 Mon Sep 17 00:00:00 2001 From: Stone Piao Date: Tue, 25 Sep 2012 20:23:41 -0700 Subject: [PATCH] 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 Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/cfg80211.c | 54 ++++++++++++++++++++++++++++++ drivers/net/wireless/mwifiex/fw.h | 14 ++++++++ drivers/net/wireless/mwifiex/sta_cmd.c | 8 +++++ drivers/net/wireless/mwifiex/sta_cmdresp.c | 19 +++++++++++ 4 files changed, 95 insertions(+) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index ece267a..4990603 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -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); diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index b8a07ad..7887848 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -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; diff --git a/drivers/net/wireless/mwifiex/sta_cmd.c b/drivers/net/wireless/mwifiex/sta_cmd.c index c2198a7..704cfaa 100644 --- a/drivers/net/wireless/mwifiex/sta_cmd.c +++ b/drivers/net/wireless/mwifiex/sta_cmd.c @@ -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; diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c index 621d36e..e380171 100644 --- a/drivers/net/wireless/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -670,6 +670,22 @@ mwifiex_ret_remain_on_chan(struct mwifiex_private *priv, } /* + * 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. * * The register value and offset are returned to the user. For EEPROM @@ -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: -- 2.7.4