From cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73 Mon Sep 17 00:00:00 2001 From: Xinming Hu Date: Tue, 23 Dec 2014 19:14:07 +0530 Subject: mwifiex: add rx histogram statistics support This patch add a new debugfs item histogram used for reporting rx data packet statitics(rx rate, snr, noise floor, signal strenth) to userspace. Signed-off-by: Xinming Hu Signed-off-by: Cathy Luo Signed-off-by: Avinash Patil Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index d4d2223d1f31..0c44c5ee0a70 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -847,6 +847,7 @@ static const struct net_device_ops mwifiex_netdev_ops = { * - Nick name : Set to null * - Number of Tx timeout : Set to 0 * - Device address : Set to current address + * - Rx histogram statistc : Set to 0 * * In addition, the CFG80211 work queue is also created. */ @@ -867,6 +868,13 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK; priv->num_tx_timeout = 0; memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); + + if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || + GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { + priv->hist_data = kmalloc(sizeof(*priv->hist_data), GFP_KERNEL); + if (priv->hist_data) + mwifiex_hist_data_reset(priv); + } } /* -- cgit v1.2.3 From 11cd07a9694cbd4d06361d6f46b735a47daa9a77 Mon Sep 17 00:00:00 2001 From: Xinming Hu Date: Tue, 23 Dec 2014 19:14:10 +0530 Subject: mwifiex: save driver information to file when firmware dump This patch adds support to dump driver information to a file when firmware dump happens. This information can be used to root casue FW crash. Signed-off-by: Xinming Hu Signed-off-by: Cathy Luo Signed-off-by: Avinash Patil Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/ethtool.c | 16 +++++- drivers/net/wireless/mwifiex/init.c | 5 ++ drivers/net/wireless/mwifiex/main.c | 102 +++++++++++++++++++++++++++++++++ drivers/net/wireless/mwifiex/main.h | 9 +++ drivers/net/wireless/mwifiex/sdio.c | 2 + 5 files changed, 133 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/ethtool.c b/drivers/net/wireless/mwifiex/ethtool.c index 04e56b5fc535..65d8d6d4b6ba 100644 --- a/drivers/net/wireless/mwifiex/ethtool.c +++ b/drivers/net/wireless/mwifiex/ethtool.c @@ -76,7 +76,9 @@ mwifiex_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump) dump->flag = adapter->curr_mem_idx; dump->version = 1; - if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) { + if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) { + dump->len = adapter->drv_info_size; + } else if (adapter->curr_mem_idx != MWIFIEX_FW_DUMP_IDX) { entry = &adapter->mem_type_mapping_tbl[adapter->curr_mem_idx]; dump->len = entry->mem_size; } else { @@ -98,6 +100,13 @@ mwifiex_get_dump_data(struct net_device *dev, struct ethtool_dump *dump, if (!adapter->if_ops.fw_dump) return -ENOTSUPP; + if (adapter->curr_mem_idx == MWIFIEX_DRV_INFO_IDX) { + if (!adapter->drv_info_dump) + return -EFAULT; + memcpy(p, adapter->drv_info_dump, adapter->drv_info_size); + return 0; + } + if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) { dev_err(adapter->dev, "firmware dump in progress!!\n"); return -EBUSY; @@ -125,6 +134,11 @@ static int mwifiex_set_dump(struct net_device *dev, struct ethtool_dump *val) if (!adapter->if_ops.fw_dump) return -ENOTSUPP; + if (val->flag == MWIFIEX_DRV_INFO_IDX) { + adapter->curr_mem_idx = MWIFIEX_DRV_INFO_IDX; + return 0; + } + if (adapter->curr_mem_idx == MWIFIEX_FW_DUMP_IDX) { dev_err(adapter->dev, "firmware dump in progress!!\n"); return -EBUSY; diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index 520ad4a3018b..a3dd601a495a 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -411,6 +411,11 @@ mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) entry->mem_size = 0; } + if (adapter->drv_info_dump) { + vfree(adapter->drv_info_dump); + adapter->drv_info_size = 0; + } + if (adapter->sleep_cfm) dev_kfree_skb_any(adapter->sleep_cfm); } diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 0c44c5ee0a70..4edaaf48259b 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -801,6 +801,108 @@ mwifiex_tx_timeout(struct net_device *dev) } } +void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter) +{ + void *p; + char drv_version[64]; + struct usb_card_rec *cardp; + struct sdio_mmc_card *sdio_card; + struct mwifiex_private *priv; + int i, idx; + struct netdev_queue *txq; + struct mwifiex_debug_info *debug_info; + + if (adapter->drv_info_dump) { + vfree(adapter->drv_info_dump); + adapter->drv_info_size = 0; + } + + dev_info(adapter->dev, "=== DRIVER INFO DUMP START===\n"); + + adapter->drv_info_dump = vzalloc(MWIFIEX_DRV_INFO_SIZE_MAX); + + if (!adapter->drv_info_dump) + return; + + p = (char *)(adapter->drv_info_dump); + p += sprintf(p, "driver_name = " "\"mwifiex\"\n"); + + mwifiex_drv_get_driver_version(adapter, drv_version, + sizeof(drv_version) - 1); + p += sprintf(p, "driver_version = %s\n", drv_version); + + if (adapter->iface_type == MWIFIEX_USB) { + cardp = (struct usb_card_rec *)adapter->card; + p += sprintf(p, "tx_cmd_urb_pending = %d\n", + atomic_read(&cardp->tx_cmd_urb_pending)); + p += sprintf(p, "tx_data_urb_pending = %d\n", + atomic_read(&cardp->tx_data_urb_pending)); + p += sprintf(p, "rx_cmd_urb_pending = %d\n", + atomic_read(&cardp->rx_cmd_urb_pending)); + p += sprintf(p, "rx_data_urb_pending = %d\n", + atomic_read(&cardp->rx_data_urb_pending)); + } + + p += sprintf(p, "tx_pending = %d\n", + atomic_read(&adapter->tx_pending)); + p += sprintf(p, "rx_pending = %d\n", + atomic_read(&adapter->rx_pending)); + + if (adapter->iface_type == MWIFIEX_SDIO) { + sdio_card = (struct sdio_mmc_card *)adapter->card; + p += sprintf(p, "\nmp_rd_bitmap=0x%x curr_rd_port=0x%x\n", + sdio_card->mp_rd_bitmap, sdio_card->curr_rd_port); + p += sprintf(p, "mp_wr_bitmap=0x%x curr_wr_port=0x%x\n", + sdio_card->mp_wr_bitmap, sdio_card->curr_wr_port); + } + + for (i = 0; i < adapter->priv_num; i++) { + if (!adapter->priv[i] || !adapter->priv[i]->netdev) + continue; + priv = adapter->priv[i]; + p += sprintf(p, "\n[interface : \"%s\"]\n", + priv->netdev->name); + p += sprintf(p, "wmm_tx_pending[0] = %d\n", + atomic_read(&priv->wmm_tx_pending[0])); + p += sprintf(p, "wmm_tx_pending[1] = %d\n", + atomic_read(&priv->wmm_tx_pending[1])); + p += sprintf(p, "wmm_tx_pending[2] = %d\n", + atomic_read(&priv->wmm_tx_pending[2])); + p += sprintf(p, "wmm_tx_pending[3] = %d\n", + atomic_read(&priv->wmm_tx_pending[3])); + p += sprintf(p, "media_state=\"%s\"\n", !priv->media_connected ? + "Disconnected" : "Connected"); + p += sprintf(p, "carrier %s\n", (netif_carrier_ok(priv->netdev) + ? "on" : "off")); + for (idx = 0; idx < priv->netdev->num_tx_queues; idx++) { + txq = netdev_get_tx_queue(priv->netdev, idx); + p += sprintf(p, "tx queue %d:%s ", idx, + netif_tx_queue_stopped(txq) ? + "stopped" : "started"); + } + p += sprintf(p, "\n%s: num_tx_timeout = %d\n", + priv->netdev->name, priv->num_tx_timeout); + } + + p += sprintf(p, "\n=== MORE DEBUG INFORMATION\n"); + debug_info = kzalloc(sizeof(*debug_info), GFP_KERNEL); + if (debug_info) { + for (i = 0; i < adapter->priv_num; i++) { + if (!adapter->priv[i] || !adapter->priv[i]->netdev) + continue; + priv = adapter->priv[i]; + mwifiex_get_debug_info(priv, debug_info); + p += mwifiex_debug_info_to_buffer(priv, p, debug_info); + break; + } + kfree(debug_info); + } + + adapter->drv_info_size = p - adapter->drv_info_dump; + dev_info(adapter->dev, "=== DRIVER INFO DUMP END===\n"); +} +EXPORT_SYMBOL_GPL(mwifiex_dump_drv_info); + /* * CFG802.11 network device handler for statistics retrieval. */ diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 6f7e0601f804..2f085de1ff63 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -41,6 +41,8 @@ #include "util.h" #include "fw.h" #include "pcie.h" +#include "usb.h" +#include "sdio.h" extern const char driver_version[]; @@ -136,6 +138,8 @@ enum { /* Threshold for tx_timeout_cnt before we trigger a card reset */ #define TX_TIMEOUT_THRESHOLD 6 +#define MWIFIEX_DRV_INFO_SIZE_MAX 0x40000 + struct mwifiex_dbg { u32 num_cmd_host_to_card_failure; u32 num_cmd_sleep_cfm_host_to_card_failure; @@ -413,6 +417,7 @@ struct mwifiex_roc_cfg { }; #define MWIFIEX_FW_DUMP_IDX 0xff +#define MWIFIEX_DRV_INFO_IDX 20 #define FW_DUMP_MAX_NAME_LEN 8 #define FW_DUMP_HOST_READY 0xEE #define FW_DUMP_DONE 0xFF @@ -867,6 +872,8 @@ struct mwifiex_adapter { struct memory_type_mapping *mem_type_mapping_tbl; u8 num_mem_types; u8 curr_mem_idx; + void *drv_info_dump; + u32 drv_info_size; bool scan_chan_gap_enabled; struct sk_buff_head rx_data_q; struct mwifiex_chan_stats *chan_stats; @@ -1360,6 +1367,8 @@ void mwifiex_hist_data_add(struct mwifiex_private *priv, u8 mwifiex_adjust_data_rate(struct mwifiex_private *priv, u8 rx_rate, u8 ht_info); +void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter); + #ifdef CONFIG_DEBUG_FS void mwifiex_debugfs_init(void); void mwifiex_debugfs_remove(void); diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 933dae137850..6bdfe67eabab 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -2023,6 +2023,8 @@ static void mwifiex_sdio_fw_dump_work(struct work_struct *work) u32 memory_size; static char *env[] = { "DRIVER=mwifiex_sdio", "EVENT=fw_dump", NULL }; + mwifiex_dump_drv_info(adapter); + if (!card->supports_fw_dump) return; -- cgit v1.2.3 From 809c6ea8abe9f18b74253e6c8c7b23dd73f74b7a Mon Sep 17 00:00:00 2001 From: Xinming Hu Date: Tue, 23 Dec 2014 19:14:11 +0530 Subject: mwifiex: save sdio register values before firmware dump This patch saves sdio registers value before firmware dump, this can be used to find out reason for FW dump. Signed-off-by: Xinming Hu Signed-off-by: Cathy Luo Signed-off-by: Avinash Patil Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 6 +++ drivers/net/wireless/mwifiex/main.h | 1 + drivers/net/wireless/mwifiex/sdio.c | 94 +++++++++++++++++++++++++++++++++++++ drivers/net/wireless/mwifiex/sdio.h | 26 ++++++++++ 4 files changed, 127 insertions(+) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 4edaaf48259b..6125d1c8ae3a 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -884,6 +884,12 @@ void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter) priv->netdev->name, priv->num_tx_timeout); } + if (adapter->iface_type == MWIFIEX_SDIO) { + p += sprintf(p, "\n=== SDIO register DUMP===\n"); + if (adapter->if_ops.reg_dump) + p += adapter->if_ops.reg_dump(adapter, p); + } + p += sprintf(p, "\n=== MORE DEBUG INFORMATION\n"); debug_info = kzalloc(sizeof(*debug_info), GFP_KERNEL); if (debug_info) { diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 2f085de1ff63..dd55bc16aeab 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -724,6 +724,7 @@ struct mwifiex_if_ops { int (*dnld_fw) (struct mwifiex_adapter *, struct mwifiex_fw_image *); void (*card_reset) (struct mwifiex_adapter *); void (*fw_dump)(struct mwifiex_adapter *); + int (*reg_dump)(struct mwifiex_adapter *, char *); int (*clean_pcie_ring) (struct mwifiex_adapter *adapter); void (*iface_work)(struct work_struct *work); void (*submit_rem_rx_urbs)(struct mwifiex_adapter *adapter); diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c index 6bdfe67eabab..274a1b2b0365 100644 --- a/drivers/net/wireless/mwifiex/sdio.c +++ b/drivers/net/wireless/mwifiex/sdio.c @@ -2168,6 +2168,99 @@ static void mwifiex_sdio_fw_dump(struct mwifiex_adapter *adapter) schedule_work(&adapter->iface_work); } +/* Function to dump SDIO function registers and SDIO scratch registers in case + * of FW crash + */ +static int +mwifiex_sdio_reg_dump(struct mwifiex_adapter *adapter, char *drv_buf) +{ + char *p = drv_buf; + struct sdio_mmc_card *cardp = adapter->card; + int ret = 0; + u8 count, func, data, index = 0, size = 0; + u8 reg, reg_start, reg_end; + char buf[256], *ptr; + + if (!p) + return 0; + + dev_info(adapter->dev, "SDIO register DUMP START\n"); + + mwifiex_pm_wakeup_card(adapter); + + sdio_claim_host(cardp->func); + + for (count = 0; count < 5; count++) { + memset(buf, 0, sizeof(buf)); + ptr = buf; + + switch (count) { + case 0: + /* Read the registers of SDIO function0 */ + func = count; + reg_start = 0; + reg_end = 9; + break; + case 1: + /* Read the registers of SDIO function1 */ + func = count; + reg_start = cardp->reg->func1_dump_reg_start; + reg_end = cardp->reg->func1_dump_reg_end; + break; + case 2: + index = 0; + func = 1; + reg_start = cardp->reg->func1_spec_reg_table[index++]; + size = cardp->reg->func1_spec_reg_num; + reg_end = cardp->reg->func1_spec_reg_table[size-1]; + break; + default: + /* Read the scratch registers of SDIO function1 */ + if (count == 4) + mdelay(100); + func = 1; + reg_start = cardp->reg->func1_scratch_reg; + reg_end = reg_start + MWIFIEX_SDIO_SCRATCH_SIZE; + } + + if (count != 2) + ptr += sprintf(ptr, "SDIO Func%d (%#x-%#x): ", + func, reg_start, reg_end); + else + ptr += sprintf(ptr, "SDIO Func%d: ", func); + + for (reg = reg_start; reg <= reg_end;) { + if (func == 0) + data = sdio_f0_readb(cardp->func, reg, &ret); + else + data = sdio_readb(cardp->func, reg, &ret); + + if (count == 2) + ptr += sprintf(ptr, "(%#x) ", reg); + if (!ret) { + ptr += sprintf(ptr, "%02x ", data); + } else { + ptr += sprintf(ptr, "ERR"); + break; + } + + if (count == 2 && reg < reg_end) + reg = cardp->reg->func1_spec_reg_table[index++]; + else + reg++; + } + + dev_info(adapter->dev, "%s\n", buf); + p += sprintf(p, "%s\n", buf); + } + + sdio_release_host(cardp->func); + + dev_info(adapter->dev, "SDIO register DUMP END\n"); + + return p - drv_buf; +} + static struct mwifiex_if_ops sdio_ops = { .init_if = mwifiex_init_sdio, .cleanup_if = mwifiex_cleanup_sdio, @@ -2190,6 +2283,7 @@ static struct mwifiex_if_ops sdio_ops = { .card_reset = mwifiex_sdio_card_reset, .iface_work = mwifiex_sdio_work, .fw_dump = mwifiex_sdio_fw_dump, + .reg_dump = mwifiex_sdio_reg_dump, }; /* diff --git a/drivers/net/wireless/mwifiex/sdio.h b/drivers/net/wireless/mwifiex/sdio.h index 54c07156dd78..895eea054c9e 100644 --- a/drivers/net/wireless/mwifiex/sdio.h +++ b/drivers/net/wireless/mwifiex/sdio.h @@ -44,6 +44,9 @@ #define MWIFIEX_SDIO_BYTE_MODE_MASK 0x80000000 +#define MWIFIEX_MAX_FUNC2_REG_NUM 13 +#define MWIFIEX_SDIO_SCRATCH_SIZE 10 + #define SDIO_MPA_ADDR_BASE 0x1000 #define CTRL_PORT 0 #define CTRL_PORT_MASK 0x0001 @@ -219,6 +222,11 @@ struct mwifiex_sdio_card_reg { u8 fw_dump_ctrl; u8 fw_dump_start; u8 fw_dump_end; + u8 func1_dump_reg_start; + u8 func1_dump_reg_end; + u8 func1_scratch_reg; + u8 func1_spec_reg_num; + u8 func1_spec_reg_table[MWIFIEX_MAX_FUNC2_REG_NUM]; }; struct sdio_mmc_card { @@ -291,6 +299,11 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd87xx = { .rd_len_p0_l = 0x08, .rd_len_p0_u = 0x09, .card_misc_cfg_reg = 0x6c, + .func1_dump_reg_start = 0x0, + .func1_dump_reg_end = 0x9, + .func1_scratch_reg = 0x60, + .func1_spec_reg_num = 5, + .func1_spec_reg_table = {0x28, 0x30, 0x34, 0x38, 0x3c}, }; static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = { @@ -335,6 +348,12 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8897 = { .fw_dump_ctrl = 0xe2, .fw_dump_start = 0xe3, .fw_dump_end = 0xea, + .func1_dump_reg_start = 0x0, + .func1_dump_reg_end = 0xb, + .func1_scratch_reg = 0xc0, + .func1_spec_reg_num = 8, + .func1_spec_reg_table = {0x4C, 0x50, 0x54, 0x55, 0x58, + 0x59, 0x5c, 0x5d}, }; static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = { @@ -376,6 +395,13 @@ static const struct mwifiex_sdio_card_reg mwifiex_reg_sd8887 = { .cmd_cfg_1 = 0xc5, .cmd_cfg_2 = 0xc6, .cmd_cfg_3 = 0xc7, + .func1_dump_reg_start = 0x10, + .func1_dump_reg_end = 0x17, + .func1_scratch_reg = 0x90, + .func1_spec_reg_num = 13, + .func1_spec_reg_table = {0x08, 0x58, 0x5C, 0x5D, 0x60, + 0x61, 0x62, 0x64, 0x65, 0x66, + 0x68, 0x69, 0x6a}, }; static const struct mwifiex_sdio_device mwifiex_sdio_sd8786 = { -- cgit v1.2.3 From 7197325b17737144e2e7cb9f68d2ebd1a0696ee1 Mon Sep 17 00:00:00 2001 From: Amitkumar Karwar Date: Wed, 31 Dec 2014 02:36:38 -0800 Subject: mwifiex: remove redundant flag MWIFIEX_HW_STATUS_FW_READY This flag is never set but checked at two places. We will get rid of this code. Signed-off-by: Cathy Luo Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 6 ++---- drivers/net/wireless/mwifiex/main.h | 1 - 2 files changed, 2 insertions(+), 5 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 6125d1c8ae3a..2568395f0276 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -511,8 +511,7 @@ err_dnld_fw: if (adapter->if_ops.unregister_dev) adapter->if_ops.unregister_dev(adapter); - if ((adapter->hw_status == MWIFIEX_HW_STATUS_FW_READY) || - (adapter->hw_status == MWIFIEX_HW_STATUS_READY)) { + if (adapter->hw_status == MWIFIEX_HW_STATUS_READY) { pr_debug("info: %s: shutdown mwifiex\n", __func__); adapter->init_wait_q_woken = false; @@ -1116,8 +1115,7 @@ err_init_fw: pr_debug("info: %s: unregister device\n", __func__); if (adapter->if_ops.unregister_dev) adapter->if_ops.unregister_dev(adapter); - if ((adapter->hw_status == MWIFIEX_HW_STATUS_FW_READY) || - (adapter->hw_status == MWIFIEX_HW_STATUS_READY)) { + if (adapter->hw_status == MWIFIEX_HW_STATUS_READY) { pr_debug("info: %s: shutdown mwifiex\n", __func__); adapter->init_wait_q_woken = false; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index dd55bc16aeab..f9279399226a 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -165,7 +165,6 @@ struct mwifiex_dbg { enum MWIFIEX_HARDWARE_STATUS { MWIFIEX_HW_STATUS_READY, MWIFIEX_HW_STATUS_INITIALIZING, - MWIFIEX_HW_STATUS_FW_READY, MWIFIEX_HW_STATUS_INIT_DONE, MWIFIEX_HW_STATUS_RESET, MWIFIEX_HW_STATUS_CLOSING, -- cgit v1.2.3 From 9d2e85e001c15789798a1550cce5e7cc3ffe4e9b Mon Sep 17 00:00:00 2001 From: Marc Yang Date: Wed, 31 Dec 2014 02:36:39 -0800 Subject: mwifiex: Adjust calling place of mwifiex_terminate_workqueue Workqueue needs to be flushed early when removing card, otherwise soft lockup issue may happen because main_process is triggered by interrupt while card is being removed. Signed-off-by: Marc Yang Signed-off-by: Cathy Luo Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 2568395f0276..2d4047f4be17 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -1166,6 +1166,8 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) adapter->surprise_removed = true; + mwifiex_terminate_workqueue(adapter); + /* Stop data */ for (i = 0; i < adapter->priv_num; i++) { priv = adapter->priv[i]; @@ -1208,8 +1210,6 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) wiphy_unregister(adapter->wiphy); wiphy_free(adapter->wiphy); - mwifiex_terminate_workqueue(adapter); - /* Unregister device */ dev_dbg(adapter->dev, "info: unregister device\n"); if (adapter->if_ops.unregister_dev) -- cgit v1.2.3 From 4636187da60b6e33526050235c610409d9cc00e8 Mon Sep 17 00:00:00 2001 From: Amitkumar Karwar Date: Wed, 31 Dec 2014 02:36:41 -0800 Subject: mwifiex: add wakeup timer based recovery mechanism If host fails to wakeup the firmware, we will trigger card reset after 3 second timeout. Signed-off-by: Cathy Luo Signed-off-by: Amitkumar Karwar Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/init.c | 16 ++++++++++++++++ drivers/net/wireless/mwifiex/main.c | 2 ++ drivers/net/wireless/mwifiex/main.h | 1 + drivers/net/wireless/mwifiex/pcie.c | 1 + drivers/net/wireless/mwifiex/sta_event.c | 3 +++ drivers/net/wireless/mwifiex/usb.c | 1 + 6 files changed, 24 insertions(+) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index a3dd601a495a..524692a59d4a 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -52,6 +52,18 @@ static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv) return 0; } +static void wakeup_timer_fn(unsigned long data) +{ + struct mwifiex_adapter *adapter = (struct mwifiex_adapter *)data; + + dev_err(adapter->dev, "Firmware wakeup failed\n"); + adapter->hw_status = MWIFIEX_HW_STATUS_RESET; + mwifiex_cancel_all_pending_cmd(adapter); + + if (adapter->if_ops.card_reset) + adapter->if_ops.card_reset(adapter); +} + /* * This function initializes the private structure and sets default * values to the members. @@ -285,6 +297,9 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->ext_scan = true; adapter->key_api_major_ver = 0; adapter->key_api_minor_ver = 0; + + setup_timer(&adapter->wakeup_timer, wakeup_timer_fn, + (unsigned long)adapter); } /* @@ -391,6 +406,7 @@ mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter) return; } + del_timer(&adapter->wakeup_timer); mwifiex_cancel_all_pending_cmd(adapter); /* Free lock variables */ diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 2d4047f4be17..119e87574e83 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -237,6 +237,7 @@ process_start: (is_command_pending(adapter) || !mwifiex_wmm_lists_empty(adapter))) { adapter->pm_wakeup_fw_try = true; + mod_timer(&adapter->wakeup_timer, jiffies + (HZ*3)); adapter->if_ops.wakeup(adapter); continue; } @@ -244,6 +245,7 @@ process_start: if (IS_CARD_RX_RCVD(adapter)) { adapter->data_received = false; adapter->pm_wakeup_fw_try = false; + del_timer_sync(&adapter->wakeup_timer); if (adapter->ps_state == PS_STATE_SLEEP) adapter->ps_state = PS_STATE_AWAKE; } else { diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index f9279399226a..55273eefb785 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -830,6 +830,7 @@ struct mwifiex_adapter { u16 gen_null_pkt; u16 pps_uapsd_mode; u32 pm_wakeup_fw_try; + struct timer_list wakeup_timer; u8 is_hs_configured; struct mwifiex_hs_config_param hs_cfg; u8 hs_activated; diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c index c3a20f94f3c9..10e4a93d3d56 100644 --- a/drivers/net/wireless/mwifiex/pcie.c +++ b/drivers/net/wireless/mwifiex/pcie.c @@ -2064,6 +2064,7 @@ static void mwifiex_interrupt_status(struct mwifiex_adapter *adapter) * state until cookie is set */ adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_fw_try = false; + del_timer(&adapter->wakeup_timer); } } } diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index fbec95bbc10f..419e35f1dbf3 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -312,6 +312,8 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; + mod_timer(&adapter->wakeup_timer, + jiffies + (HZ*3)); break; } if (!mwifiex_send_null_packet @@ -326,6 +328,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) adapter->ps_state = PS_STATE_AWAKE; adapter->pm_wakeup_card_req = false; adapter->pm_wakeup_fw_try = false; + del_timer_sync(&adapter->wakeup_timer); break; diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 8ae7a8586811..199b43f89e01 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -990,6 +990,7 @@ static int mwifiex_pm_wakeup_card(struct mwifiex_adapter *adapter) { /* Simulation of HS_AWAKE event */ adapter->pm_wakeup_fw_try = false; + del_timer_sync(&adapter->wakeup_timer); adapter->pm_wakeup_card_req = false; adapter->ps_state = PS_STATE_AWAKE; -- cgit v1.2.3 From c6c33e772407031bc3b7482296e400a0ea6e7b32 Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Fri, 26 Dec 2014 15:35:56 +0100 Subject: mwifiex: main: Use setup_timer Convert a call to init_timer and accompanying intializations of the timer's data and function fields to a call to setup_timer. A simplified version of the semantic match that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression t,f,d; @@ -init_timer(&t); +setup_timer(&t,f,d); -t.function = f; -t.data = d; // Signed-off-by: Julia Lawall Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 119e87574e83..d235adb82c94 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -83,9 +83,8 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, } mwifiex_init_lock_list(adapter); - init_timer(&adapter->cmd_timer); - adapter->cmd_timer.function = mwifiex_cmd_timeout_func; - adapter->cmd_timer.data = (unsigned long) adapter; + setup_timer(&adapter->cmd_timer, mwifiex_cmd_timeout_func, + (unsigned long)adapter); return 0; -- cgit v1.2.3 From ea2325b89d16c0803714d48e28b116aec2ef5026 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 19 Jan 2015 15:54:36 +0530 Subject: mwifiex: set netif carrier off in ndo_open This patch adds fix to set carrier state off during ndo_open. Carrier should be set to ON when device is ready to send data. In case of station/adhoc interface device is able to transfer data after successful association/join operation. For AP this would be after bss_active event. Signed-off-by: Johannes Berg Signed-off-by: Avinash Patil Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index d235adb82c94..9836df0eb1e7 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -562,7 +562,8 @@ static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter) static int mwifiex_open(struct net_device *dev) { - netif_tx_start_all_queues(dev); + netif_carrier_off(dev); + return 0; } -- cgit v1.2.3 From e52a85d383d505ee7654ba993a6a31eeee79f232 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Wed, 28 Jan 2015 15:41:58 +0530 Subject: mwifiex: remove redundant nick_name variable This is not used anywhere execpt initialization. Signed-off-by: Avinash Patil Signed-off-by: Amitkumar Karwar Signed-off-by: Cathy Luo Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/main.c | 1 - drivers/net/wireless/mwifiex/main.h | 1 - 2 files changed, 2 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 9836df0eb1e7..99cd3604b3f3 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -968,7 +968,6 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, /* Initialize private structure */ priv->current_key_index = 0; priv->media_connected = false; - memset(&priv->nick_name, 0, sizeof(priv->nick_name)); memset(priv->mgmt_ie, 0, sizeof(struct mwifiex_ie) * MAX_MGMT_IE_INDEX); priv->beacon_idx = MWIFIEX_AUTO_IDX_MASK; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 55273eefb785..99792b885b79 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -553,7 +553,6 @@ struct mwifiex_private { #ifdef CONFIG_DEBUG_FS struct dentry *dfs_dev_dir; #endif - u8 nick_name[16]; u16 current_key_index; struct semaphore async_sem; struct cfg80211_scan_request *scan_request; -- cgit v1.2.3 From 4facc34a1f1d6ba8fafc9afdb84f9c6ed4334c4c Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Wed, 28 Jan 2015 15:42:00 +0530 Subject: mwifiex: do not declare wdev as pointer wdev is used even after del_virtual_interface handler in cfg80211 in nl80211_post_doit. Since we have freed wdev in handling of del_virtual_intf, this can result into crash while deleting interface. Avoid this be not declaring wdev which part of mwifiex_private structure but struct wireless_dev type. Signed-off-by: Avinash Patil Signed-off-by: Amitkumar Karwar Signed-off-by: Cathy Luo Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/11h.c | 2 +- drivers/net/wireless/mwifiex/11n.c | 4 +- drivers/net/wireless/mwifiex/11n_rxreorder.c | 2 +- drivers/net/wireless/mwifiex/cfg80211.c | 70 ++++++++++------------------ drivers/net/wireless/mwifiex/cfp.c | 4 +- drivers/net/wireless/mwifiex/main.c | 5 +- drivers/net/wireless/mwifiex/main.h | 2 +- drivers/net/wireless/mwifiex/scan.c | 10 ++-- drivers/net/wireless/mwifiex/sta_event.c | 2 +- drivers/net/wireless/mwifiex/sta_ioctl.c | 2 +- drivers/net/wireless/mwifiex/txrx.c | 2 +- drivers/net/wireless/mwifiex/util.c | 2 +- 12 files changed, 44 insertions(+), 63 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/11h.c b/drivers/net/wireless/mwifiex/11h.c index 2668e83afbb6..f23b647a1411 100644 --- a/drivers/net/wireless/mwifiex/11h.c +++ b/drivers/net/wireless/mwifiex/11h.c @@ -39,7 +39,7 @@ mwifiex_11h_process_infra_join(struct mwifiex_private *priv, u8 **buffer, return; radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); - sband = priv->wdev->wiphy->bands[radio_type]; + sband = priv->wdev.wiphy->bands[radio_type]; cap = (struct mwifiex_ie_types_pwr_capability *)*buffer; cap->header.type = cpu_to_le16(WLAN_EID_PWR_CAPABILITY); diff --git a/drivers/net/wireless/mwifiex/11n.c b/drivers/net/wireless/mwifiex/11n.c index c5c83cf664d8..543148d27b01 100644 --- a/drivers/net/wireless/mwifiex/11n.c +++ b/drivers/net/wireless/mwifiex/11n.c @@ -39,7 +39,7 @@ int mwifiex_fill_cap_info(struct mwifiex_private *priv, u8 radio_type, { uint16_t ht_ext_cap = le16_to_cpu(ht_cap->extended_ht_cap_info); struct ieee80211_supported_band *sband = - priv->wdev->wiphy->bands[radio_type]; + priv->wdev.wiphy->bands[radio_type]; if (WARN_ON_ONCE(!sband)) { dev_err(priv->adapter->dev, "Invalid radio type!\n"); @@ -314,7 +314,7 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv, return ret_len; radio_type = mwifiex_band_to_radio_type((u8) bss_desc->bss_band); - sband = priv->wdev->wiphy->bands[radio_type]; + sband = priv->wdev.wiphy->bands[radio_type]; if (bss_desc->bcn_ht_cap) { ht_cap = (struct mwifiex_ie_types_htcap *) *buffer; diff --git a/drivers/net/wireless/mwifiex/11n_rxreorder.c b/drivers/net/wireless/mwifiex/11n_rxreorder.c index c7ca5b734875..a2e8817b56d8 100644 --- a/drivers/net/wireless/mwifiex/11n_rxreorder.c +++ b/drivers/net/wireless/mwifiex/11n_rxreorder.c @@ -45,7 +45,7 @@ static int mwifiex_11n_dispatch_amsdu_pkt(struct mwifiex_private *priv, skb_trim(skb, le16_to_cpu(local_rx_pd->rx_pkt_length)); ieee80211_amsdu_to_8023s(skb, &list, priv->curr_addr, - priv->wdev->iftype, 0, false); + priv->wdev.iftype, 0, false); while (!skb_queue_empty(&list)) { rx_skb = __skb_dequeue(&list); diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index dd0e410559f8..9710b23f65a9 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1590,15 +1590,15 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) ie_len = ie_buf[1] + sizeof(struct ieee_types_header); band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); - chan = __ieee80211_get_channel(priv->wdev->wiphy, + chan = __ieee80211_get_channel(priv->wdev.wiphy, ieee80211_channel_to_frequency(bss_info.bss_chan, band)); - bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, + bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, CFG80211_BSS_FTYPE_UNKNOWN, bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 0, ie_buf, ie_len, 0, GFP_KERNEL); - cfg80211_put_bss(priv->wdev->wiphy, bss); + cfg80211_put_bss(priv->wdev.wiphy, bss); memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); return 0; @@ -1719,12 +1719,12 @@ done: /* Find the BSS we want using available scan results */ if (mode == NL80211_IFTYPE_ADHOC) - bss = cfg80211_get_bss(priv->wdev->wiphy, channel, + bss = cfg80211_get_bss(priv->wdev.wiphy, channel, bssid, ssid, ssid_len, WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); else - bss = cfg80211_get_bss(priv->wdev->wiphy, channel, + bss = cfg80211_get_bss(priv->wdev.wiphy, channel, bssid, ssid, ssid_len, WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); @@ -1781,7 +1781,7 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, return -EINVAL; } - if (priv->wdev && priv->wdev->current_bss) { + if (priv->wdev.current_bss) { wiphy_warn(wiphy, "%s: already connected\n", dev->name); return -EALREADY; } @@ -1839,7 +1839,7 @@ mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, static int mwifiex_set_ibss_params(struct mwifiex_private *priv, struct cfg80211_ibss_params *params) { - struct wiphy *wiphy = priv->wdev->wiphy; + struct wiphy *wiphy = priv->wdev.wiphy; struct mwifiex_adapter *adapter = priv->adapter; int index = 0, i; u8 config_bands = 0; @@ -2177,7 +2177,6 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, struct mwifiex_private *priv; struct net_device *dev; void *mdev_priv; - struct wireless_dev *wdev; if (!adapter) return ERR_PTR(-EFAULT); @@ -2193,13 +2192,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); - if (!wdev) - return ERR_PTR(-ENOMEM); - - wdev->wiphy = wiphy; - priv->wdev = wdev; - wdev->iftype = NL80211_IFTYPE_STATION; + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_STATION; if (type == NL80211_IFTYPE_UNSPECIFIED) priv->bss_mode = NL80211_IFTYPE_STATION; @@ -2221,13 +2215,8 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); - if (!wdev) - return ERR_PTR(-ENOMEM); - - priv->wdev = wdev; - wdev->wiphy = wiphy; - wdev->iftype = NL80211_IFTYPE_AP; + priv->wdev.wiphy = wiphy; + priv->wdev.iftype = NL80211_IFTYPE_AP; priv->bss_type = MWIFIEX_BSS_TYPE_UAP; priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; @@ -2246,17 +2235,12 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, return ERR_PTR(-EINVAL); } - wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); - if (!wdev) - return ERR_PTR(-ENOMEM); - - priv->wdev = wdev; - wdev->wiphy = wiphy; + priv->wdev.wiphy = wiphy; /* At start-up, wpa_supplicant tries to change the interface * to NL80211_IFTYPE_STATION if it is not managed mode. */ - wdev->iftype = NL80211_IFTYPE_P2P_CLIENT; + priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; /* Setting bss_type to P2P tells firmware that this interface @@ -2272,8 +2256,9 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, priv->bss_num = 0; if (mwifiex_cfg80211_init_p2p_client(priv)) { - wdev = ERR_PTR(-EFAULT); - goto done; + memset(&priv->wdev, 0, sizeof(priv->wdev)); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-EFAULT); } break; @@ -2287,9 +2272,10 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, IEEE80211_NUM_ACS, 1); if (!dev) { wiphy_err(wiphy, "no memory available for netdevice\n"); + memset(&priv->wdev, 0, sizeof(priv->wdev)); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - wdev = ERR_PTR(-ENOMEM); - goto done; + return ERR_PTR(-ENOMEM); } mwifiex_init_priv_params(priv, dev); @@ -2309,7 +2295,7 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, &wiphy->bands[IEEE80211_BAND_5GHZ]->vht_cap, priv); dev_net_set(dev, wiphy_net(wiphy)); - dev->ieee80211_ptr = priv->wdev; + dev->ieee80211_ptr = &priv->wdev; dev->ieee80211_ptr->iftype = priv->bss_mode; memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); @@ -2330,8 +2316,9 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, free_netdev(dev); priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; priv->netdev = NULL; - wdev = ERR_PTR(-EFAULT); - goto done; + memset(&priv->wdev, 0, sizeof(priv->wdev)); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-EFAULT); } sema_init(&priv->async_sem, 1); @@ -2342,13 +2329,7 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, mwifiex_dev_debugfs_init(priv); #endif -done: - if (IS_ERR(wdev)) { - kfree(priv->wdev); - priv->wdev = NULL; - } - - return wdev; + return &priv->wdev; } EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); @@ -2374,8 +2355,7 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) /* Clear the priv in adapter */ priv->netdev->ieee80211_ptr = NULL; priv->netdev = NULL; - kfree(wdev); - priv->wdev = NULL; + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; priv->media_connected = false; diff --git a/drivers/net/wireless/mwifiex/cfp.c b/drivers/net/wireless/mwifiex/cfp.c index f494fc7eeb62..e9df8826f124 100644 --- a/drivers/net/wireless/mwifiex/cfp.c +++ b/drivers/net/wireless/mwifiex/cfp.c @@ -322,9 +322,9 @@ mwifiex_get_cfp(struct mwifiex_private *priv, u8 band, u16 channel, u32 freq) return cfp; if (mwifiex_band_to_radio_type(band) == HostCmd_SCAN_RADIO_TYPE_BG) - sband = priv->wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; + sband = priv->wdev.wiphy->bands[IEEE80211_BAND_2GHZ]; else - sband = priv->wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; + sband = priv->wdev.wiphy->bands[IEEE80211_BAND_5GHZ]; if (!sband) { dev_err(priv->adapter->dev, "%s: cannot find cfp by band %d\n", diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 99cd3604b3f3..49dec6b4dc96 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -1203,8 +1203,9 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) continue; rtnl_lock(); - if (priv->wdev && priv->netdev) - mwifiex_del_virtual_intf(adapter->wiphy, priv->wdev); + if (priv->netdev && + priv->wdev.iftype != NL80211_IFTYPE_UNSPECIFIED) + mwifiex_del_virtual_intf(adapter->wiphy, &priv->wdev); rtnl_unlock(); } diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 99792b885b79..a560179cdb7b 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -547,7 +547,7 @@ struct mwifiex_private { u32 curr_bcn_size; /* spin lock for beacon buffer */ spinlock_t curr_bcn_buf_lock; - struct wireless_dev *wdev; + struct wireless_dev wdev; struct mwifiex_chan_freq_power cfp; char version_str[128]; #ifdef CONFIG_DEBUG_FS diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index e304f0731647..0ffdb7c5afd2 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -496,10 +496,10 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv, for (band = 0; (band < IEEE80211_NUM_BANDS) ; band++) { - if (!priv->wdev->wiphy->bands[band]) + if (!priv->wdev.wiphy->bands[band]) continue; - sband = priv->wdev->wiphy->bands[band]; + sband = priv->wdev.wiphy->bands[band]; for (i = 0; (i < sband->n_channels) ; i++) { ch = &sband->channels[i]; @@ -1733,10 +1733,10 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info, freq = cfp ? cfp->freq : 0; - chan = ieee80211_get_channel(priv->wdev->wiphy, freq); + chan = ieee80211_get_channel(priv->wdev.wiphy, freq); if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) { - bss = cfg80211_inform_bss(priv->wdev->wiphy, + bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, CFG80211_BSS_FTYPE_UNKNOWN, bssid, timestamp, cap_info_bitmap, beacon_period, @@ -1748,7 +1748,7 @@ mwifiex_parse_single_response_buf(struct mwifiex_private *priv, u8 **bss_info, !memcmp(bssid, priv->curr_bss_params.bss_descriptor .mac_address, ETH_ALEN)) mwifiex_update_curr_bss_params(priv, bss); - cfg80211_put_bss(priv->wdev->wiphy, bss); + cfg80211_put_bss(priv->wdev.wiphy, bss); } } else { dev_dbg(adapter->dev, "missing BSS channel IE\n"); diff --git a/drivers/net/wireless/mwifiex/sta_event.c b/drivers/net/wireless/mwifiex/sta_event.c index 419e35f1dbf3..c37e8cb2dd32 100644 --- a/drivers/net/wireless/mwifiex/sta_event.c +++ b/drivers/net/wireless/mwifiex/sta_event.c @@ -487,7 +487,7 @@ int mwifiex_process_sta_event(struct mwifiex_private *priv) case EVENT_REMAIN_ON_CHAN_EXPIRED: dev_dbg(adapter->dev, "event: Remain on channel expired\n"); - cfg80211_remain_on_channel_expired(priv->wdev, + cfg80211_remain_on_channel_expired(&priv->wdev, priv->roc_cfg.cookie, &priv->roc_cfg.chan, GFP_ATOMIC); diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index fb9c5fc83e5d..329cd515316c 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -219,7 +219,7 @@ static int mwifiex_process_country_ie(struct mwifiex_private *priv, if (!strncmp(priv->adapter->country_code, &country_ie[2], 2)) { rcu_read_unlock(); - wiphy_dbg(priv->wdev->wiphy, + wiphy_dbg(priv->wdev.wiphy, "11D: skip setting domain info in FW\n"); return 0; } diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c index 6ae133333363..ac93557cbdc9 100644 --- a/drivers/net/wireless/mwifiex/txrx.c +++ b/drivers/net/wireless/mwifiex/txrx.c @@ -227,7 +227,7 @@ void mwifiex_parse_tx_status_event(struct mwifiex_private *priv, /* consumes ack_skb */ skb_complete_wifi_ack(ack_skb, !tx_status->status); } else { - cfg80211_mgmt_tx_status(priv->wdev, tx_info->cookie, + cfg80211_mgmt_tx_status(&priv->wdev, tx_info->cookie, ack_skb->data, ack_skb->len, !tx_status->status, GFP_ATOMIC); dev_kfree_skb_any(ack_skb); diff --git a/drivers/net/wireless/mwifiex/util.c b/drivers/net/wireless/mwifiex/util.c index 707319799942..308550611f22 100644 --- a/drivers/net/wireless/mwifiex/util.c +++ b/drivers/net/wireless/mwifiex/util.c @@ -387,7 +387,7 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, pkt_len -= ETH_ALEN + sizeof(pkt_len); rx_pd->rx_pkt_length = cpu_to_le16(pkt_len); - cfg80211_rx_mgmt(priv->wdev, priv->roc_cfg.chan.center_freq, + cfg80211_rx_mgmt(&priv->wdev, priv->roc_cfg.chan.center_freq, CAL_RSSI(rx_pd->snr, rx_pd->nf), skb->data, pkt_len, 0); -- cgit v1.2.3 From 8d05eb222074169c22c9d2707f607cf762f8d027 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Wed, 28 Jan 2015 15:42:01 +0530 Subject: mwifiex: store permanant mac address in adapter structure This would be used to set mac address while changing virtual interface to different types. Signed-off-by: Avinash Patil Signed-off-by: Amitkumar Karwar Signed-off-by: Cathy Luo Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/cfg80211.c | 2 +- drivers/net/wireless/mwifiex/cmdevt.c | 4 +--- drivers/net/wireless/mwifiex/init.c | 1 + drivers/net/wireless/mwifiex/main.c | 1 + drivers/net/wireless/mwifiex/main.h | 1 + 5 files changed, 5 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 9710b23f65a9..85f5019306b5 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -2974,7 +2974,7 @@ int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) wiphy->cipher_suites = mwifiex_cipher_suites; wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); - memcpy(wiphy->perm_addr, priv->curr_addr, ETH_ALEN); + ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 946a2f7a172f..00586b22c61a 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -1582,9 +1582,7 @@ int mwifiex_ret_get_hw_spec(struct mwifiex_private *priv, le16_to_cpu(hw_spec->hw_if_version), le16_to_cpu(hw_spec->version)); - if (priv->curr_addr[0] == 0xff) - memmove(priv->curr_addr, hw_spec->permanent_addr, ETH_ALEN); - + ether_addr_copy(priv->adapter->perm_addr, hw_spec->permanent_addr); adapter->region_code = le16_to_cpu(hw_spec->region_code); for (i = 0; i < MWIFIEX_MAX_REGION_CODE; i++) diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index 8004d140ee01..44babc329fda 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -297,6 +297,7 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter) adapter->ext_scan = false; adapter->key_api_major_ver = 0; adapter->key_api_minor_ver = 0; + memset(adapter->perm_addr, 0xff, ETH_ALEN); setup_timer(&adapter->wakeup_timer, wakeup_timer_fn, (unsigned long)adapter); diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 49dec6b4dc96..cb9cab2b0ec0 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -975,6 +975,7 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, priv->assocresp_idx = MWIFIEX_AUTO_IDX_MASK; priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK; priv->num_tx_timeout = 0; + ether_addr_copy(priv->curr_addr, priv->adapter->perm_addr); memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index a560179cdb7b..45b40af9797b 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -737,6 +737,7 @@ struct mwifiex_adapter { int winner; struct device *dev; struct wiphy *wiphy; + u8 perm_addr[ETH_ALEN]; bool surprise_removed; u32 fw_release_number; u16 init_wait_q_woken; -- cgit v1.2.3 From 047eaaf64503c2902d1e054d5b944de18d14b28c Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Wed, 28 Jan 2015 15:42:05 +0530 Subject: mwifiex: support conversion to any virtual interface type Currently, we support virtual interface type change from station<=>adhoc or station <=> p2p client/GO. This patch adds support to change virtual interface type to any of the type advertised in interface combinations. Signed-off-by: Avinash Patil Signed-off-by: Amitkumar Karwar Signed-off-by: Cathy Luo Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/cfg80211.c | 331 ++++++++++++++++++++++++++++--- drivers/net/wireless/mwifiex/main.c | 2 +- drivers/net/wireless/mwifiex/main.h | 2 - drivers/net/wireless/mwifiex/sta_ioctl.c | 30 --- 4 files changed, 301 insertions(+), 64 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index a0221b5eff93..30ea94a1767c 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -656,9 +656,6 @@ 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(priv, HostCmd_CMD_P2P_MODE_CFG, HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; @@ -715,12 +712,249 @@ mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) HostCmd_ACT_GEN_SET, 0, &mode, true)) return -1; - if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) - mwifiex_set_bss_role(priv, MWIFIEX_BSS_ROLE_UAP); + return 0; +} + +static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) +{ + priv->mgmt_frame_mask = 0; + if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, + HostCmd_ACT_GEN_SET, 0, + &priv->mgmt_frame_mask, false)) { + dev_warn(priv->adapter->dev, + "could not unregister mgmt frame rx\n"); + return -1; + } + + mwifiex_deauthenticate(priv, NULL); + mwifiex_free_priv(priv); + priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; + + return 0; +} + +static int +mwifiex_init_new_priv_params(struct mwifiex_private *priv, + struct net_device *dev, + enum nl80211_iftype type) +{ + mwifiex_init_priv(priv); + + priv->bss_mode = type; + priv->wdev.iftype = type; + + mwifiex_init_priv_params(priv, priv->netdev); + priv->bss_started = 0; + + switch (type) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_type = MWIFIEX_BSS_TYPE_STA; + break; + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_type = MWIFIEX_BSS_TYPE_P2P; + break; + case NL80211_IFTYPE_AP: + priv->bss_type = MWIFIEX_BSS_TYPE_UAP; + priv->bss_role = MWIFIEX_BSS_ROLE_UAP; + break; + default: + dev_err(priv->adapter->dev, + "%s: changing to %d not supported\n", + dev->name, type); + return -EOPNOTSUPP; + } + + return 0; +} + +static int +mwifiex_change_vif_to_p2p(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct mwifiex_private *priv; + struct mwifiex_adapter *adapter; + + priv = mwifiex_netdev_get_priv(dev); + + if (!priv) + return -1; + + adapter = priv->adapter; + + if (adapter->curr_iface_comb.p2p_intf == + adapter->iface_limit.p2p_intf) { + dev_err(adapter->dev, + "cannot create multiple P2P ifaces\n"); + return -1; + } + + dev_dbg(priv->adapter->dev, "%s: changing role to p2p\n", dev->name); + + if (mwifiex_deinit_priv_params(priv)) + return -1; + if (mwifiex_init_new_priv_params(priv, dev, type)) + return -1; + + switch (type) { + case NL80211_IFTYPE_P2P_CLIENT: + if (mwifiex_cfg80211_init_p2p_client(priv)) + return -EFAULT; + break; + case NL80211_IFTYPE_P2P_GO: + if (mwifiex_cfg80211_init_p2p_go(priv)) + return -EFAULT; + break; + default: + dev_err(priv->adapter->dev, + "%s: changing to %d not supported\n", + dev->name, type); + return -EOPNOTSUPP; + } + + if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL, true)) + return -1; + + if (mwifiex_sta_init_cmd(priv, false, false)) + return -1; + + switch (curr_iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + adapter->curr_iface_comb.sta_intf--; + break; + case NL80211_IFTYPE_AP: + adapter->curr_iface_comb.uap_intf--; + break; + default: + break; + } + + adapter->curr_iface_comb.p2p_intf++; + dev->ieee80211_ptr->iftype = type; return 0; } +static int +mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct mwifiex_private *priv; + struct mwifiex_adapter *adapter; + + priv = mwifiex_netdev_get_priv(dev); + + if (!priv) + return -1; + + adapter = priv->adapter; + + if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && + curr_iftype != NL80211_IFTYPE_P2P_GO) && + (adapter->curr_iface_comb.sta_intf == + adapter->iface_limit.sta_intf)) { + dev_err(adapter->dev, + "cannot create multiple station/adhoc ifaces\n"); + return -1; + } + + if (type == NL80211_IFTYPE_STATION) + dev_notice(adapter->dev, + "%s: changing role to station\n", dev->name); + else + dev_notice(adapter->dev, + "%s: changing role to adhoc\n", dev->name); + + if (mwifiex_deinit_priv_params(priv)) + return -1; + if (mwifiex_init_new_priv_params(priv, dev, type)) + return -1; + if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL, true)) + return -1; + if (mwifiex_sta_init_cmd(priv, false, false)) + return -1; + + switch (curr_iftype) { + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + adapter->curr_iface_comb.p2p_intf--; + break; + case NL80211_IFTYPE_AP: + adapter->curr_iface_comb.uap_intf--; + break; + default: + break; + } + + adapter->curr_iface_comb.sta_intf++; + dev->ieee80211_ptr->iftype = type; + return 0; +} + +static int +mwifiex_change_vif_to_ap(struct net_device *dev, + enum nl80211_iftype curr_iftype, + enum nl80211_iftype type, u32 *flags, + struct vif_params *params) +{ + struct mwifiex_private *priv; + struct mwifiex_adapter *adapter; + + priv = mwifiex_netdev_get_priv(dev); + + if (!priv) + return -1; + + adapter = priv->adapter; + + if (adapter->curr_iface_comb.uap_intf == + adapter->iface_limit.uap_intf) { + dev_err(adapter->dev, + "cannot create multiple AP ifaces\n"); + return -1; + } + + dev_notice(adapter->dev, "%s: changing role to AP\n", dev->name); + + if (mwifiex_deinit_priv_params(priv)) + return -1; + if (mwifiex_init_new_priv_params(priv, dev, type)) + return -1; + if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL, true)) + return -1; + if (mwifiex_sta_init_cmd(priv, false, false)) + return -1; + + switch (curr_iftype) { + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + adapter->curr_iface_comb.p2p_intf--; + break; + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + adapter->curr_iface_comb.sta_intf--; + break; + default: + break; + } + + adapter->curr_iface_comb.uap_intf++; + dev->ieee80211_ptr->iftype = type; + return 0; +} /* * CFG802.11 operation handler to change interface type. */ @@ -730,19 +964,32 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { - int ret; struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); + enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; - switch (dev->ieee80211_ptr->iftype) { + switch (curr_iftype) { case NL80211_IFTYPE_ADHOC: switch (type) { case NL80211_IFTYPE_STATION: - break; + priv->bss_mode = type; + priv->sec_info.authentication_mode = + NL80211_AUTHTYPE_OPEN_SYSTEM; + dev->ieee80211_ptr->iftype = type; + mwifiex_deauthenticate(priv, NULL); + return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL, + true); + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + return mwifiex_change_vif_to_p2p(dev, curr_iftype, + type, flags, params); + case NL80211_IFTYPE_AP: + return mwifiex_change_vif_to_ap(dev, curr_iftype, type, + flags, params); case NL80211_IFTYPE_UNSPECIFIED: wiphy_warn(wiphy, "%s: kept type as IBSS\n", dev->name); case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ return 0; - case NL80211_IFTYPE_AP: default: wiphy_err(wiphy, "%s: changing to %d not supported\n", dev->name, type); @@ -752,22 +999,25 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, case NL80211_IFTYPE_STATION: switch (type) { case NL80211_IFTYPE_ADHOC: - break; - case NL80211_IFTYPE_P2P_CLIENT: - if (mwifiex_cfg80211_init_p2p_client(priv)) - return -EFAULT; + priv->bss_mode = type; + priv->sec_info.authentication_mode = + NL80211_AUTHTYPE_OPEN_SYSTEM; dev->ieee80211_ptr->iftype = type; - return 0; + mwifiex_deauthenticate(priv, NULL); + return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, + HostCmd_ACT_GEN_SET, 0, NULL, + true); + case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: - if (mwifiex_cfg80211_init_p2p_go(priv)) - return -EFAULT; - dev->ieee80211_ptr->iftype = type; - return 0; + return mwifiex_change_vif_to_p2p(dev, curr_iftype, + type, flags, params); + case NL80211_IFTYPE_AP: + return mwifiex_change_vif_to_ap(dev, curr_iftype, type, + flags, params); case NL80211_IFTYPE_UNSPECIFIED: wiphy_warn(wiphy, "%s: kept type as STA\n", dev->name); case NL80211_IFTYPE_STATION: /* This shouldn't happen */ return 0; - case NL80211_IFTYPE_AP: default: wiphy_err(wiphy, "%s: changing to %d not supported\n", dev->name, type); @@ -776,12 +1026,20 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, break; case NL80211_IFTYPE_AP: switch (type) { + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_STATION: + return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, + type, flags, + params); + break; + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: + return mwifiex_change_vif_to_p2p(dev, curr_iftype, + type, flags, params); case NL80211_IFTYPE_UNSPECIFIED: wiphy_warn(wiphy, "%s: kept type as AP\n", dev->name); case NL80211_IFTYPE_AP: /* This shouldn't happen */ return 0; - case NL80211_IFTYPE_ADHOC: - case NL80211_IFTYPE_STATION: default: wiphy_err(wiphy, "%s: changing to %d not supported\n", dev->name, type); @@ -792,11 +1050,30 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, case NL80211_IFTYPE_P2P_GO: switch (type) { case NL80211_IFTYPE_STATION: - if (mwifiex_cfg80211_deinit_p2p(priv)) + if (mwifiex_cfg80211_init_p2p_client(priv)) return -EFAULT; dev->ieee80211_ptr->iftype = type; + break; + case NL80211_IFTYPE_ADHOC: + if (mwifiex_cfg80211_deinit_p2p(priv)) + return -EFAULT; + return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, + type, flags, + params); + break; + case NL80211_IFTYPE_AP: + if (mwifiex_cfg80211_deinit_p2p(priv)) + return -EFAULT; + return mwifiex_change_vif_to_ap(dev, curr_iftype, type, + flags, params); + case NL80211_IFTYPE_UNSPECIFIED: + wiphy_warn(wiphy, "%s: kept type as P2P\n", dev->name); + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_P2P_GO: return 0; default: + wiphy_err(wiphy, "%s: changing to %d not supported\n", + dev->name, type); return -EOPNOTSUPP; } break; @@ -806,16 +1083,8 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, return -EOPNOTSUPP; } - dev->ieee80211_ptr->iftype = type; - priv->bss_mode = type; - mwifiex_deauthenticate(priv, NULL); - - priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; - - ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, true); - return ret; + return 0; } static void diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index cb9cab2b0ec0..30e519369ba6 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -961,7 +961,7 @@ static const struct net_device_ops mwifiex_netdev_ops = { * In addition, the CFG80211 work queue is also created. */ void mwifiex_init_priv_params(struct mwifiex_private *priv, - struct net_device *dev) + struct net_device *dev) { dev->netdev_ops = &mwifiex_netdev_ops; dev->destructor = free_netdev; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 78304a714512..9e839cd64505 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -1261,8 +1261,6 @@ int mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action, struct ieee80211_channel *chan, 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); diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c index 2faa5174fe73..0599e41e253c 100644 --- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -1135,36 +1135,6 @@ 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(priv, HostCmd_CMD_SET_BSS_MODE, - HostCmd_ACT_GEN_SET, 0, NULL, true); - - return mwifiex_sta_init_cmd(priv, false, false); -} - /* * Sends IOCTL request to get statistics information. * -- cgit v1.2.3 From 2ade5667e2e0244549818f16e2520141661e8bcd Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Wed, 28 Jan 2015 15:54:20 +0530 Subject: mwifiex: separate function for parsing head and tail IEs Head & Tail IEs are supposed to be added to beacon and probe response. This patch adds separate function for parsing head and tail IEs from cfg80211_beacon_data and sets them to FW. Signed-off-by: Avinash Patil Signed-off-by: Qingshui Gao Signed-off-by: Cathy Luo Signed-off-by: Kalle Valo --- drivers/net/wireless/mwifiex/ie.c | 81 +++++++++++++++++++++---------------- drivers/net/wireless/mwifiex/main.c | 2 +- drivers/net/wireless/mwifiex/main.h | 2 +- 3 files changed, 48 insertions(+), 37 deletions(-) (limited to 'drivers/net/wireless/mwifiex/main.c') diff --git a/drivers/net/wireless/mwifiex/ie.c b/drivers/net/wireless/mwifiex/ie.c index b933794758b7..a6af7b88bf05 100644 --- a/drivers/net/wireless/mwifiex/ie.c +++ b/drivers/net/wireless/mwifiex/ie.c @@ -317,27 +317,26 @@ done: return ret; } -/* This function parses different IEs-tail IEs, beacon IEs, probe response IEs, - * association response IEs from cfg80211_ap_settings function and sets these IE - * to FW. +/* This function parses head and tail IEs, from cfg80211_beacon_data and sets + * these IE to FW. */ -int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, - struct cfg80211_beacon_data *info) +static int mwifiex_uap_set_head_tail_ies(struct mwifiex_private *priv, + struct cfg80211_beacon_data *info) { struct mwifiex_ie *gen_ie; - struct ieee_types_header *rsn_ie, *wpa_ie = NULL; - u16 rsn_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0; + struct ieee_types_header *rsn_ie = NULL, *wpa_ie = NULL; + u16 gen_idx = MWIFIEX_AUTO_IDX_MASK, ie_len = 0; const u8 *vendor_ie; - if (info->tail && info->tail_len) { - gen_ie = kzalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!gen_ie) - return -ENOMEM; - gen_ie->ie_index = cpu_to_le16(rsn_idx); - gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON | - MGMT_MASK_PROBE_RESP | - MGMT_MASK_ASSOC_RESP); + gen_ie = kzalloc(sizeof(*gen_ie), GFP_KERNEL); + if (!gen_ie) + return -ENOMEM; + gen_ie->ie_index = cpu_to_le16(gen_idx); + gen_ie->mgmt_subtype_mask = cpu_to_le16(MGMT_MASK_BEACON | + MGMT_MASK_PROBE_RESP | + MGMT_MASK_ASSOC_RESP); + if (info->tail && info->tail_len) { rsn_ie = (void *)cfg80211_find_ie(WLAN_EID_RSN, info->tail, info->tail_len); if (rsn_ie) { @@ -357,20 +356,33 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, ie_len += wpa_ie->len + 2; gen_ie->ie_length = cpu_to_le16(ie_len); } + } - if (rsn_ie || wpa_ie) { - if (mwifiex_update_uap_custom_ie(priv, gen_ie, &rsn_idx, - NULL, NULL, - NULL, NULL)) { - kfree(gen_ie); - return -1; - } - priv->rsn_idx = rsn_idx; + if (rsn_ie || wpa_ie) { + if (mwifiex_update_uap_custom_ie(priv, gen_ie, &gen_idx, NULL, + NULL, NULL, NULL)) { + kfree(gen_ie); + return -1; } - - kfree(gen_ie); + priv->gen_idx = gen_idx; } + kfree(gen_ie); + return 0; +} + +/* This function parses different IEs-head & tail IEs, beacon IEs, + * probe response IEs, association response IEs from cfg80211_ap_settings + * function and sets these IE to FW. + */ +int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, + struct cfg80211_beacon_data *info) +{ + int ret; + + ret = mwifiex_uap_set_head_tail_ies(priv, info); + return ret; + return mwifiex_set_mgmt_beacon_data_ies(priv, info); } @@ -378,25 +390,25 @@ int mwifiex_set_mgmt_ies(struct mwifiex_private *priv, int mwifiex_del_mgmt_ies(struct mwifiex_private *priv) { struct mwifiex_ie *beacon_ie = NULL, *pr_ie = NULL; - struct mwifiex_ie *ar_ie = NULL, *rsn_ie = NULL; + struct mwifiex_ie *ar_ie = NULL, *gen_ie = NULL; int ret = 0; - if (priv->rsn_idx != MWIFIEX_AUTO_IDX_MASK) { - rsn_ie = kmalloc(sizeof(struct mwifiex_ie), GFP_KERNEL); - if (!rsn_ie) + if (priv->gen_idx != MWIFIEX_AUTO_IDX_MASK) { + gen_ie = kmalloc(sizeof(*gen_ie), GFP_KERNEL); + if (!gen_ie) return -ENOMEM; - rsn_ie->ie_index = cpu_to_le16(priv->rsn_idx); - rsn_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK); - rsn_ie->ie_length = 0; - if (mwifiex_update_uap_custom_ie(priv, rsn_ie, &priv->rsn_idx, + gen_ie->ie_index = cpu_to_le16(priv->gen_idx); + gen_ie->mgmt_subtype_mask = cpu_to_le16(MWIFIEX_DELETE_MASK); + gen_ie->ie_length = 0; + if (mwifiex_update_uap_custom_ie(priv, gen_ie, &priv->gen_idx, NULL, &priv->proberesp_idx, NULL, &priv->assocresp_idx)) { ret = -1; goto done; } - priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK; + priv->gen_idx = MWIFIEX_AUTO_IDX_MASK; } if (priv->beacon_idx != MWIFIEX_AUTO_IDX_MASK) { @@ -440,7 +452,6 @@ done: kfree(beacon_ie); kfree(pr_ie); kfree(ar_ie); - kfree(rsn_ie); return ret; } diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 30e519369ba6..7e74b4fccddd 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -973,7 +973,7 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, priv->beacon_idx = MWIFIEX_AUTO_IDX_MASK; priv->proberesp_idx = MWIFIEX_AUTO_IDX_MASK; priv->assocresp_idx = MWIFIEX_AUTO_IDX_MASK; - priv->rsn_idx = MWIFIEX_AUTO_IDX_MASK; + priv->gen_idx = MWIFIEX_AUTO_IDX_MASK; priv->num_tx_timeout = 0; ether_addr_copy(priv->curr_addr, priv->adapter->perm_addr); memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index 0c75eff23e8b..c5ac20da273c 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -567,7 +567,7 @@ struct mwifiex_private { u16 beacon_idx; u16 proberesp_idx; u16 assocresp_idx; - u16 rsn_idx; + u16 gen_idx; u8 ap_11n_enabled; u8 ap_11ac_enabled; u32 mgmt_frame_mask; -- cgit v1.2.3