diff options
Diffstat (limited to 'drivers/net/wireless/ath/carl9170')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/Kconfig | 14 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/carl9170.h | 38 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/cmd.c | 34 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/cmd.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/debug.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/fw.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/fwcmd.h | 30 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/fwdesc.h | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/hw.h | 56 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/led.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/mac.c | 129 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/main.c | 257 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/phy.c | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/rx.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/tx.c | 309 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/usb.c | 31 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/version.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/wlan.h | 25 |
18 files changed, 714 insertions, 281 deletions
diff --git a/drivers/net/wireless/ath/carl9170/Kconfig b/drivers/net/wireless/ath/carl9170/Kconfig index 2d1b821..267d5dc 100644 --- a/drivers/net/wireless/ath/carl9170/Kconfig +++ b/drivers/net/wireless/ath/carl9170/Kconfig @@ -39,3 +39,17 @@ config CARL9170_WPC bool depends on CARL9170 && (INPUT = y || INPUT = CARL9170) default y + +config CARL9170_HWRNG + bool "Random number generator" + depends on CARL9170 && (HW_RANDOM = y || HW_RANDOM = CARL9170) + default n + help + Provides a hardware random number generator to the kernel. + + SECURITY WARNING: It's relatively easy to eavesdrop all + generated random numbers from the transport stream with + usbmon [software] or special usb sniffer hardware. + + Say N, unless your setup[i.e.: embedded system] has no + other rng source and you can afford to take the risk. diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h index 4da01a9..8bcf6b9 100644 --- a/drivers/net/wireless/ath/carl9170/carl9170.h +++ b/drivers/net/wireless/ath/carl9170/carl9170.h @@ -43,6 +43,7 @@ #include <linux/firmware.h> #include <linux/completion.h> #include <linux/spinlock.h> +#include <linux/hw_random.h> #include <net/cfg80211.h> #include <net/mac80211.h> #include <linux/usb.h> @@ -67,6 +68,8 @@ #define PAYLOAD_MAX (CARL9170_MAX_CMD_LEN / 4 - 1) +static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 3, 2, 1, 0 }; + enum carl9170_rf_init_mode { CARL9170_RFI_NONE, CARL9170_RFI_WARM, @@ -149,6 +152,7 @@ struct carl9170_sta_tid { #define CARL9170_TX_TIMEOUT 2500 #define CARL9170_JANITOR_DELAY 128 #define CARL9170_QUEUE_STUCK_TIMEOUT 5500 +#define CARL9170_STAT_WORK 30000 #define CARL9170_NUM_TX_AGG_MAX 30 @@ -175,7 +179,7 @@ struct carl9170_tx_queue_stats { struct carl9170_vif { unsigned int id; - struct ieee80211_vif *vif; + struct ieee80211_vif __rcu *vif; }; struct carl9170_vif_info { @@ -261,6 +265,7 @@ struct ar9170 { atomic_t rx_work_urbs; atomic_t rx_pool_urbs; kernel_ulong_t features; + bool usb_ep_cmd_is_bulk; /* firmware settings */ struct completion fw_load_wait; @@ -280,6 +285,7 @@ struct ar9170 { bool rx_stream; bool tx_stream; bool rx_filter; + bool hw_counters; unsigned int mem_blocks; unsigned int mem_block_size; unsigned int rx_size; @@ -309,7 +315,7 @@ struct ar9170 { spinlock_t beacon_lock; unsigned int global_pretbtt; unsigned int global_beacon_int; - struct carl9170_vif_info *beacon_iter; + struct carl9170_vif_info __rcu *beacon_iter; unsigned int beacon_enabled; /* cryptographic engine */ @@ -329,11 +335,21 @@ struct ar9170 { /* PHY */ struct ieee80211_channel *channel; + unsigned int num_channels; int noise[4]; unsigned int chan_fail; unsigned int total_chan_fail; u8 heavy_clip; u8 ht_settings; + struct { + u64 active; /* usec */ + u64 cca; /* usec */ + u64 tx_time; /* usec */ + u64 rx_total; + u64 rx_overrun; + } tally; + struct delayed_work stat_work; + struct survey_info *survey; /* power calibration data */ u8 power_5G_leg[4]; @@ -387,7 +403,7 @@ struct ar9170 { /* tx ampdu */ struct work_struct ampdu_work; spinlock_t tx_ampdu_list_lock; - struct carl9170_sta_tid *tx_ampdu_iter; + struct carl9170_sta_tid __rcu *tx_ampdu_iter; struct list_head tx_ampdu_list; atomic_t tx_ampdu_upload; atomic_t tx_ampdu_scheduler; @@ -435,12 +451,22 @@ struct ar9170 { unsigned int off_override; bool state; } ps; + +#ifdef CONFIG_CARL9170_HWRNG +# define CARL9170_HWRNG_CACHE_SIZE CARL9170_MAX_CMD_PAYLOAD_LEN + struct { + struct hwrng rng; + bool initialized; + char name[30 + 1]; + u16 cache[CARL9170_HWRNG_CACHE_SIZE / sizeof(u16)]; + unsigned int cache_idx; + } rng; +#endif /* CONFIG_CARL9170_HWRNG */ }; enum carl9170_ps_off_override_reasons { PS_OFF_VIF = BIT(0), PS_OFF_BCN = BIT(1), - PS_OFF_5GHZ = BIT(2), }; struct carl9170_ba_stats { @@ -455,7 +481,7 @@ struct carl9170_sta_info { bool sleeping; atomic_t pending_frames; unsigned int ampdu_max_len; - struct carl9170_sta_tid *agg[CARL9170_NUM_TID]; + struct carl9170_sta_tid __rcu *agg[CARL9170_NUM_TID]; struct carl9170_ba_stats stats[CARL9170_NUM_TID]; }; @@ -531,7 +557,6 @@ int carl9170_set_ampdu_settings(struct ar9170 *ar); int carl9170_set_slot_time(struct ar9170 *ar); int carl9170_set_mac_rates(struct ar9170 *ar); int carl9170_set_hwretry_limit(struct ar9170 *ar, const u32 max_retry); -int carl9170_update_beacon(struct ar9170 *ar, const bool submit); int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac, const u8 ktype, const u8 keyidx, const u8 *keydata, const int keylen); int carl9170_disable_key(struct ar9170 *ar, const u8 id); @@ -552,6 +577,7 @@ void carl9170_tx_drop(struct ar9170 *ar, struct sk_buff *skb); void carl9170_tx_scheduler(struct ar9170 *ar); void carl9170_tx_get_skb(struct sk_buff *skb); int carl9170_tx_put_skb(struct sk_buff *skb); +int carl9170_update_beacon(struct ar9170 *ar, const bool submit); /* LEDs */ #ifdef CONFIG_CARL9170_LEDS diff --git a/drivers/net/wireless/ath/carl9170/cmd.c b/drivers/net/wireless/ath/carl9170/cmd.c index cdfc94c..195dc65 100644 --- a/drivers/net/wireless/ath/carl9170/cmd.c +++ b/drivers/net/wireless/ath/carl9170/cmd.c @@ -36,6 +36,7 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#include <asm/div64.h> #include "carl9170.h" #include "cmd.h" @@ -165,6 +166,39 @@ int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id, return __carl9170_exec_cmd(ar, cmd, true); } +int carl9170_collect_tally(struct ar9170 *ar) +{ + struct carl9170_tally_rsp tally; + struct survey_info *info; + unsigned int tick; + int err; + + err = carl9170_exec_cmd(ar, CARL9170_CMD_TALLY, 0, NULL, + sizeof(tally), (u8 *)&tally); + if (err) + return err; + + tick = le32_to_cpu(tally.tick); + if (tick) { + ar->tally.active += le32_to_cpu(tally.active) / tick; + ar->tally.cca += le32_to_cpu(tally.cca) / tick; + ar->tally.tx_time += le32_to_cpu(tally.tx_time) / tick; + ar->tally.rx_total += le32_to_cpu(tally.rx_total); + ar->tally.rx_overrun += le32_to_cpu(tally.rx_overrun); + + if (ar->channel) { + info = &ar->survey[ar->channel->hw_value]; + info->channel_time = ar->tally.active; + info->channel_time_busy = ar->tally.cca; + info->channel_time_tx = ar->tally.tx_time; + do_div(info->channel_time, 1000); + do_div(info->channel_time_busy, 1000); + do_div(info->channel_time_tx, 1000); + } + } + return 0; +} + int carl9170_powersave(struct ar9170 *ar, const bool ps) { struct carl9170_cmd *cmd; diff --git a/drivers/net/wireless/ath/carl9170/cmd.h b/drivers/net/wireless/ath/carl9170/cmd.h index 568174c..885c427 100644 --- a/drivers/net/wireless/ath/carl9170/cmd.h +++ b/drivers/net/wireless/ath/carl9170/cmd.h @@ -50,6 +50,7 @@ int carl9170_echo_test(struct ar9170 *ar, u32 v); int carl9170_reboot(struct ar9170 *ar); int carl9170_mac_reset(struct ar9170 *ar); int carl9170_powersave(struct ar9170 *ar, const bool power_on); +int carl9170_collect_tally(struct ar9170 *ar); int carl9170_bcn_ctrl(struct ar9170 *ar, const unsigned int vif_id, const u32 mode, const u32 addr, const u32 len); @@ -87,7 +88,7 @@ do { \ __ar->cmd_buf[2 * __nreg + 1] = cpu_to_le32(r); \ __ar->cmd_buf[2 * __nreg + 2] = cpu_to_le32(v); \ __nreg++; \ - if ((__nreg >= PAYLOAD_MAX/2)) { \ + if ((__nreg >= PAYLOAD_MAX / 2)) { \ if (IS_ACCEPTING_CMD(__ar)) \ __err = carl9170_exec_cmd(__ar, \ CARL9170_CMD_WREG, 8 * __nreg, \ @@ -160,7 +161,7 @@ do { \ } while (0) #define carl9170_async_regwrite_finish() do { \ -__async_regwrite_out : \ +__async_regwrite_out: \ if (__cmd != NULL && __err == 0) \ carl9170_async_regwrite_flush(); \ kfree(__cmd); \ diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c index 0ac1124..de57f90 100644 --- a/drivers/net/wireless/ath/carl9170/debug.c +++ b/drivers/net/wireless/ath/carl9170/debug.c @@ -695,7 +695,7 @@ static char *carl9170_debugfs_bug_read(struct ar9170 *ar, char *buf, } __DEBUGFS_DECLARE_RW_FILE(bug, 400, CARL9170_STOPPED); -static const char *erp_modes[] = { +static const char *const erp_modes[] = { [CARL9170_ERP_INVALID] = "INVALID", [CARL9170_ERP_AUTO] = "Automatic", [CARL9170_ERP_MAC80211] = "Set by MAC80211", diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 221957c..cba9d04 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/firmware.h> #include <linux/crc32.h> +#include <linux/module.h> #include "carl9170.h" #include "fwcmd.h" #include "version.h" @@ -237,7 +238,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) ar->disable_offload = true; } - if (SUPP(CARL9170FW_PSM)) + if (SUPP(CARL9170FW_PSM) && SUPP(CARL9170FW_FIXED_5GHZ_PSM)) ar->hw->flags |= IEEE80211_HW_SUPPORTS_PS; if (!SUPP(CARL9170FW_USB_INIT_FIRMWARE)) { @@ -266,6 +267,9 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len) FIF_PROMISC_IN_BSS; } + if (SUPP(CARL9170FW_HW_COUNTERS)) + ar->fw.hw_counters = true; + if (SUPP(CARL9170FW_WOL)) device_set_wakeup_enable(&ar->udev->dev, true); diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h index 30449d2..9443c80 100644 --- a/drivers/net/wireless/ath/carl9170/fwcmd.h +++ b/drivers/net/wireless/ath/carl9170/fwcmd.h @@ -4,7 +4,7 @@ * Firmware command interface definitions * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -54,6 +54,8 @@ enum carl9170_cmd_oids { CARL9170_CMD_BCN_CTRL = 0x05, CARL9170_CMD_READ_TSF = 0x06, CARL9170_CMD_RX_FILTER = 0x07, + CARL9170_CMD_WOL = 0x08, + CARL9170_CMD_TALLY = 0x09, /* CAM */ CARL9170_CMD_EKEY = 0x10, @@ -180,6 +182,21 @@ struct carl9170_bcn_ctrl_cmd { #define CARL9170_BCN_CTRL_DRAIN 0 #define CARL9170_BCN_CTRL_CAB_TRIGGER 1 +struct carl9170_wol_cmd { + __le32 flags; + u8 mac[6]; + u8 bssid[6]; + __le32 null_interval; + __le32 free_for_use2; + __le32 mask; + u8 pattern[32]; +} __packed; + +#define CARL9170_WOL_CMD_SIZE 60 + +#define CARL9170_WOL_DISCONNECT 1 +#define CARL9170_WOL_MAGIC_PKT 2 + struct carl9170_cmd_head { union { struct { @@ -203,6 +220,7 @@ struct carl9170_cmd { struct carl9170_write_reg wreg; struct carl9170_rf_init rf_init; struct carl9170_psm psm; + struct carl9170_wol_cmd wol; struct carl9170_bcn_ctrl_cmd bcn_ctrl; struct carl9170_rx_filter_cmd rx_filter; u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN]; @@ -269,6 +287,15 @@ struct carl9170_tsf_rsp { } __packed; #define CARL9170_TSF_RSP_SIZE 8 +struct carl9170_tally_rsp { + __le32 active; + __le32 cca; + __le32 tx_time; + __le32 rx_total; + __le32 rx_overrun; + __le32 tick; +} __packed; + struct carl9170_rsp { struct carl9170_cmd_head hdr; @@ -283,6 +310,7 @@ struct carl9170_rsp { struct carl9170_gpio gpio; struct carl9170_tsf_rsp tsf; struct carl9170_psm psm; + struct carl9170_tally_rsp tally; u8 data[CARL9170_MAX_CMD_PAYLOAD_LEN]; } __packed; } __packed __aligned(4); diff --git a/drivers/net/wireless/ath/carl9170/fwdesc.h b/drivers/net/wireless/ath/carl9170/fwdesc.h index 9210668..6d9c089 100644 --- a/drivers/net/wireless/ath/carl9170/fwdesc.h +++ b/drivers/net/wireless/ath/carl9170/fwdesc.h @@ -3,7 +3,7 @@ * * Firmware descriptor format * - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -72,6 +72,12 @@ enum carl9170fw_feature_list { /* Wake up on WLAN */ CARL9170FW_WOL, + /* Firmware supports PSM in the 5GHZ Band */ + CARL9170FW_FIXED_5GHZ_PSM, + + /* HW (ANI, CCA, MIB) tally counters */ + CARL9170FW_HW_COUNTERS, + /* KEEP LAST */ __CARL9170FW_FEATURE_NUM }; @@ -82,6 +88,7 @@ enum carl9170fw_feature_list { #define DBG_MAGIC "DBG\0" #define CHK_MAGIC "CHK\0" #define TXSQ_MAGIC "TXSQ" +#define WOL_MAGIC "WOL\0" #define LAST_MAGIC "LAST" #define CARL9170FW_SET_DAY(d) (((d) - 1) % 31) @@ -104,7 +111,7 @@ struct carl9170fw_desc_head { (sizeof(struct carl9170fw_desc_head)) #define CARL9170FW_OTUS_DESC_MIN_VER 6 -#define CARL9170FW_OTUS_DESC_CUR_VER 6 +#define CARL9170FW_OTUS_DESC_CUR_VER 7 struct carl9170fw_otus_desc { struct carl9170fw_desc_head head; __le32 feature_set; @@ -186,6 +193,16 @@ struct carl9170fw_txsq_desc { #define CARL9170FW_TXSQ_DESC_SIZE \ (sizeof(struct carl9170fw_txsq_desc)) +#define CARL9170FW_WOL_DESC_MIN_VER 1 +#define CARL9170FW_WOL_DESC_CUR_VER 1 +struct carl9170fw_wol_desc { + struct carl9170fw_desc_head head; + + __le32 supported_triggers; /* CARL9170_WOL_ */ +} __packed; +#define CARL9170FW_WOL_DESC_SIZE \ + (sizeof(struct carl9170fw_wol_desc)) + #define CARL9170FW_LAST_DESC_MIN_VER 1 #define CARL9170FW_LAST_DESC_CUR_VER 2 struct carl9170fw_last_desc { diff --git a/drivers/net/wireless/ath/carl9170/hw.h b/drivers/net/wireless/ath/carl9170/hw.h index 4e30762..fa834c1 100644 --- a/drivers/net/wireless/ath/carl9170/hw.h +++ b/drivers/net/wireless/ath/carl9170/hw.h @@ -4,7 +4,7 @@ * Register map, hardware-specific definitions * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -174,6 +174,7 @@ #define AR9170_MAC_SNIFFER_ENABLE_PROMISC BIT(0) #define AR9170_MAC_SNIFFER_DEFAULTS 0x02000000 #define AR9170_MAC_REG_ENCRYPTION (AR9170_MAC_REG_BASE + 0x678) +#define AR9170_MAC_ENCRYPTION_MGMT_RX_SOFTWARE BIT(2) #define AR9170_MAC_ENCRYPTION_RX_SOFTWARE BIT(3) #define AR9170_MAC_ENCRYPTION_DEFAULTS 0x70 @@ -222,6 +223,12 @@ #define AR9170_MAC_REG_TX_BLOCKACKS (AR9170_MAC_REG_BASE + 0x6c0) #define AR9170_MAC_REG_NAV_COUNT (AR9170_MAC_REG_BASE + 0x6c4) #define AR9170_MAC_REG_BACKOFF_STATUS (AR9170_MAC_REG_BASE + 0x6c8) +#define AR9170_MAC_BACKOFF_CCA BIT(24) +#define AR9170_MAC_BACKOFF_TX_PEX BIT(25) +#define AR9170_MAC_BACKOFF_RX_PE BIT(26) +#define AR9170_MAC_BACKOFF_MD_READY BIT(27) +#define AR9170_MAC_BACKOFF_TX_PE BIT(28) + #define AR9170_MAC_REG_TX_RETRY (AR9170_MAC_REG_BASE + 0x6cc) #define AR9170_MAC_REG_TX_COMPLETE (AR9170_MAC_REG_BASE + 0x6d4) @@ -357,7 +364,18 @@ #define AR9170_MAC_REG_DMA_WLAN_STATUS (AR9170_MAC_REG_BASE + 0xd38) #define AR9170_MAC_REG_DMA_STATUS (AR9170_MAC_REG_BASE + 0xd3c) - +#define AR9170_MAC_REG_DMA_TXQ_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd40) +#define AR9170_MAC_REG_DMA_TXQ0_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd40) +#define AR9170_MAC_REG_DMA_TXQ1_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd44) +#define AR9170_MAC_REG_DMA_TXQ2_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd48) +#define AR9170_MAC_REG_DMA_TXQ3_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd4c) +#define AR9170_MAC_REG_DMA_TXQ4_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd50) +#define AR9170_MAC_REG_DMA_TXQ0Q1_LEN (AR9170_MAC_REG_BASE + 0xd54) +#define AR9170_MAC_REG_DMA_TXQ2Q3_LEN (AR9170_MAC_REG_BASE + 0xd58) +#define AR9170_MAC_REG_DMA_TXQ4_LEN (AR9170_MAC_REG_BASE + 0xd5c) + +#define AR9170_MAC_REG_DMA_TXQX_LAST_ADDR (AR9170_MAC_REG_BASE + 0xd74) +#define AR9170_MAC_REG_DMA_TXQX_FAIL_ADDR (AR9170_MAC_REG_BASE + 0xd78) #define AR9170_MAC_REG_TXRX_MPI (AR9170_MAC_REG_BASE + 0xd7c) #define AR9170_MAC_TXRX_MPI_TX_MPI_MASK 0x0000000f #define AR9170_MAC_TXRX_MPI_TX_TO_MASK 0x0000fff0 @@ -377,10 +395,40 @@ #define AR9170_MAC_REG_BCN_CURR_ADDR (AR9170_MAC_REG_BASE + 0xd98) #define AR9170_MAC_REG_BCN_COUNT (AR9170_MAC_REG_BASE + 0xd9c) - - #define AR9170_MAC_REG_BCN_HT1 (AR9170_MAC_REG_BASE + 0xda0) +#define AR9170_MAC_BCN_HT1_HT_EN BIT(0) +#define AR9170_MAC_BCN_HT1_GF_PMB BIT(1) +#define AR9170_MAC_BCN_HT1_SP_EXP BIT(2) +#define AR9170_MAC_BCN_HT1_TX_BF BIT(3) +#define AR9170_MAC_BCN_HT1_PWR_CTRL_S 4 +#define AR9170_MAC_BCN_HT1_PWR_CTRL 0x70 +#define AR9170_MAC_BCN_HT1_TX_ANT1 BIT(7) +#define AR9170_MAC_BCN_HT1_TX_ANT0 BIT(8) +#define AR9170_MAC_BCN_HT1_NUM_LFT_S 9 +#define AR9170_MAC_BCN_HT1_NUM_LFT 0x600 +#define AR9170_MAC_BCN_HT1_BWC_20M_EXT BIT(16) +#define AR9170_MAC_BCN_HT1_BWC_40M_SHARED BIT(17) +#define AR9170_MAC_BCN_HT1_BWC_40M_DUP (BIT(16) | BIT(17)) +#define AR9170_MAC_BCN_HT1_BF_MCS_S 18 +#define AR9170_MAC_BCN_HT1_BF_MCS 0x1c0000 +#define AR9170_MAC_BCN_HT1_TPC_S 21 +#define AR9170_MAC_BCN_HT1_TPC 0x7e00000 +#define AR9170_MAC_BCN_HT1_CHAIN_MASK_S 27 +#define AR9170_MAC_BCN_HT1_CHAIN_MASK 0x38000000 + #define AR9170_MAC_REG_BCN_HT2 (AR9170_MAC_REG_BASE + 0xda4) +#define AR9170_MAC_BCN_HT2_MCS_S 0 +#define AR9170_MAC_BCN_HT2_MCS 0x7f +#define AR9170_MAC_BCN_HT2_BW40 BIT(8) +#define AR9170_MAC_BCN_HT2_SMOOTHING BIT(9) +#define AR9170_MAC_BCN_HT2_SS BIT(10) +#define AR9170_MAC_BCN_HT2_NSS BIT(11) +#define AR9170_MAC_BCN_HT2_STBC_S 12 +#define AR9170_MAC_BCN_HT2_STBC 0x3000 +#define AR9170_MAC_BCN_HT2_ADV_COD BIT(14) +#define AR9170_MAC_BCN_HT2_SGI BIT(15) +#define AR9170_MAC_BCN_HT2_LEN_S 16 +#define AR9170_MAC_BCN_HT2_LEN 0xffff0000 #define AR9170_MAC_REG_DMA_TXQX_ADDR_CURR (AR9170_MAC_REG_BASE + 0xdc0) diff --git a/drivers/net/wireless/ath/carl9170/led.c b/drivers/net/wireless/ath/carl9170/led.c index 4bb2cbd..78dadc7 100644 --- a/drivers/net/wireless/ath/carl9170/led.c +++ b/drivers/net/wireless/ath/carl9170/led.c @@ -118,7 +118,7 @@ static void carl9170_led_set_brightness(struct led_classdev *led, } if (likely(IS_ACCEPTING_CMD(ar) && arl->toggled)) - ieee80211_queue_delayed_work(ar->hw, &ar->led_work, HZ/10); + ieee80211_queue_delayed_work(ar->hw, &ar->led_work, HZ / 10); } static int carl9170_led_register_led(struct ar9170 *ar, int i, char *name, diff --git a/drivers/net/wireless/ath/carl9170/mac.c b/drivers/net/wireless/ath/carl9170/mac.c index 385cf50..dfda919 100644 --- a/drivers/net/wireless/ath/carl9170/mac.c +++ b/drivers/net/wireless/ath/carl9170/mac.c @@ -455,135 +455,6 @@ int carl9170_set_beacon_timers(struct ar9170 *ar) return carl9170_regwrite_result(); } -int carl9170_update_beacon(struct ar9170 *ar, const bool submit) -{ - struct sk_buff *skb = NULL; - struct carl9170_vif_info *cvif; - struct ieee80211_tx_info *txinfo; - __le32 *data, *old = NULL; - u32 word, off, addr, len; - int i = 0, err = 0; - - rcu_read_lock(); - cvif = rcu_dereference(ar->beacon_iter); -retry: - if (ar->vifs == 0 || !cvif) - goto out_unlock; - - list_for_each_entry_continue_rcu(cvif, &ar->vif_list, list) { - if (cvif->active && cvif->enable_beacon) - goto found; - } - - if (!ar->beacon_enabled || i++) - goto out_unlock; - - goto retry; - -found: - rcu_assign_pointer(ar->beacon_iter, cvif); - - skb = ieee80211_beacon_get_tim(ar->hw, carl9170_get_vif(cvif), - NULL, NULL); - - if (!skb) { - err = -ENOMEM; - goto err_free; - } - - txinfo = IEEE80211_SKB_CB(skb); - if (txinfo->control.rates[0].flags & IEEE80211_TX_RC_MCS) { - err = -EINVAL; - goto err_free; - } - - spin_lock_bh(&ar->beacon_lock); - data = (__le32 *)skb->data; - if (cvif->beacon) - old = (__le32 *)cvif->beacon->data; - - off = cvif->id * AR9170_MAC_BCN_LENGTH_MAX; - addr = ar->fw.beacon_addr + off; - len = roundup(skb->len + FCS_LEN, 4); - - if ((off + len) > ar->fw.beacon_max_len) { - if (net_ratelimit()) { - wiphy_err(ar->hw->wiphy, "beacon does not " - "fit into device memory!\n"); - } - err = -EINVAL; - goto err_unlock; - } - - if (len > AR9170_MAC_BCN_LENGTH_MAX) { - if (net_ratelimit()) { - wiphy_err(ar->hw->wiphy, "no support for beacons " - "bigger than %d (yours:%d).\n", - AR9170_MAC_BCN_LENGTH_MAX, len); - } - - err = -EMSGSIZE; - goto err_unlock; - } - - i = txinfo->control.rates[0].idx; - if (txinfo->band != IEEE80211_BAND_2GHZ) - i += 4; - - word = __carl9170_ratetable[i].hw_value & 0xf; - if (i < 4) - word |= ((skb->len + FCS_LEN) << (3 + 16)) + 0x0400; - else - word |= ((skb->len + FCS_LEN) << 16) + 0x0010; - - carl9170_async_regwrite_begin(ar); - carl9170_async_regwrite(AR9170_MAC_REG_BCN_PLCP, word); - - for (i = 0; i < DIV_ROUND_UP(skb->len, 4); i++) { - /* - * XXX: This accesses beyond skb data for up - * to the last 3 bytes!! - */ - - if (old && (data[i] == old[i])) - continue; - - word = le32_to_cpu(data[i]); - carl9170_async_regwrite(addr + 4 * i, word); - } - carl9170_async_regwrite_finish(); - - dev_kfree_skb_any(cvif->beacon); - cvif->beacon = NULL; - - err = carl9170_async_regwrite_result(); - if (!err) - cvif->beacon = skb; - spin_unlock_bh(&ar->beacon_lock); - if (err) - goto err_free; - - if (submit) { - err = carl9170_bcn_ctrl(ar, cvif->id, - CARL9170_BCN_CTRL_CAB_TRIGGER, - addr, skb->len + FCS_LEN); - - if (err) - goto err_free; - } -out_unlock: - rcu_read_unlock(); - return 0; - -err_unlock: - spin_unlock_bh(&ar->beacon_lock); - -err_free: - rcu_read_unlock(); - dev_kfree_skb_any(skb); - return err; -} - int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac, const u8 ktype, const u8 keyidx, const u8 *keydata, const int keylen) diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index b54966c..f06e069 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -345,11 +345,11 @@ static int carl9170_op_start(struct ieee80211_hw *hw) carl9170_zap_queues(ar); /* reset QoS defaults */ - CARL9170_FILL_QUEUE(ar->edcf[0], 3, 15, 1023, 0); /* BEST EFFORT */ - CARL9170_FILL_QUEUE(ar->edcf[1], 2, 7, 15, 94); /* VIDEO */ - CARL9170_FILL_QUEUE(ar->edcf[2], 2, 3, 7, 47); /* VOICE */ - CARL9170_FILL_QUEUE(ar->edcf[3], 7, 15, 1023, 0); /* BACKGROUND */ - CARL9170_FILL_QUEUE(ar->edcf[4], 2, 3, 7, 0); /* SPECIAL */ + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_VO], 2, 3, 7, 47); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_VI], 2, 7, 15, 94); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_BE], 3, 15, 1023, 0); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_BK], 7, 15, 1023, 0); + CARL9170_FILL_QUEUE(ar->edcf[AR9170_TXQ_SPECIAL], 2, 3, 7, 0); ar->current_factor = ar->current_density = -1; /* "The first key is unique." */ @@ -413,6 +413,9 @@ static int carl9170_op_start(struct ieee80211_hw *hw) carl9170_set_state_when(ar, CARL9170_IDLE, CARL9170_STARTED); + ieee80211_queue_delayed_work(ar->hw, &ar->stat_work, + round_jiffies(msecs_to_jiffies(CARL9170_STAT_WORK))); + ieee80211_wake_queues(ar->hw); err = 0; @@ -423,6 +426,7 @@ out: static void carl9170_cancel_worker(struct ar9170 *ar) { + cancel_delayed_work_sync(&ar->stat_work); cancel_delayed_work_sync(&ar->tx_janitor); #ifdef CONFIG_CARL9170_LEDS cancel_delayed_work_sync(&ar->led_work); @@ -794,6 +798,43 @@ static void carl9170_ps_work(struct work_struct *work) mutex_unlock(&ar->mutex); } +static int carl9170_update_survey(struct ar9170 *ar, bool flush, bool noise) +{ + int err; + + if (noise) { + err = carl9170_get_noisefloor(ar); + if (err) + return err; + } + + if (ar->fw.hw_counters) { + err = carl9170_collect_tally(ar); + if (err) + return err; + } + + if (flush) + memset(&ar->tally, 0, sizeof(ar->tally)); + + return 0; +} + +static void carl9170_stat_work(struct work_struct *work) +{ + struct ar9170 *ar = container_of(work, struct ar9170, stat_work.work); + int err; + + mutex_lock(&ar->mutex); + err = carl9170_update_survey(ar, false, true); + mutex_unlock(&ar->mutex); + + if (err) + return; + + ieee80211_queue_delayed_work(ar->hw, &ar->stat_work, + round_jiffies(msecs_to_jiffies(CARL9170_STAT_WORK))); +} static int carl9170_op_config(struct ieee80211_hw *hw, u32 changed) { @@ -828,11 +869,19 @@ static int carl9170_op_config(struct ieee80211_hw *hw, u32 changed) if (err) goto out; + err = carl9170_update_survey(ar, true, false); + if (err) + goto out; + err = carl9170_set_channel(ar, hw->conf.channel, hw->conf.channel_type, CARL9170_RFI_NONE); if (err) goto out; + err = carl9170_update_survey(ar, false, true); + if (err) + goto out; + err = carl9170_set_dyn_sifs_ack(ar); if (err) goto out; @@ -1029,7 +1078,8 @@ out: mutex_unlock(&ar->mutex); } -static u64 carl9170_op_get_tsf(struct ieee80211_hw *hw) +static u64 carl9170_op_get_tsf(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) { struct ar9170 *ar = hw->priv; struct carl9170_tsf_rsp tsf; @@ -1255,7 +1305,8 @@ static int carl9170_op_sta_remove(struct ieee80211_hw *hw, return 0; } -static int carl9170_op_conf_tx(struct ieee80211_hw *hw, u16 queue, +static int carl9170_op_conf_tx(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, u16 queue, const struct ieee80211_tx_queue_params *param) { struct ar9170 *ar = hw->priv; @@ -1421,24 +1472,159 @@ static int carl9170_register_wps_button(struct ar9170 *ar) } #endif /* CONFIG_CARL9170_WPC */ -static int carl9170_op_get_survey(struct ieee80211_hw *hw, int idx, - struct survey_info *survey) +#ifdef CONFIG_CARL9170_HWRNG +static int carl9170_rng_get(struct ar9170 *ar) { - struct ar9170 *ar = hw->priv; + +#define RW (CARL9170_MAX_CMD_PAYLOAD_LEN / sizeof(u32)) +#define RB (CARL9170_MAX_CMD_PAYLOAD_LEN) + + static const __le32 rng_load[RW] = { + [0 ... (RW - 1)] = cpu_to_le32(AR9170_RAND_REG_NUM)}; + + u32 buf[RW]; + + unsigned int i, off = 0, transfer, count; int err; - if (idx != 0) - return -ENOENT; + BUILD_BUG_ON(RB > CARL9170_MAX_CMD_PAYLOAD_LEN); + + if (!IS_ACCEPTING_CMD(ar) || !ar->rng.initialized) + return -EAGAIN; + + count = ARRAY_SIZE(ar->rng.cache); + while (count) { + err = carl9170_exec_cmd(ar, CARL9170_CMD_RREG, + RB, (u8 *) rng_load, + RB, (u8 *) buf); + if (err) + return err; + + transfer = min_t(unsigned int, count, RW); + for (i = 0; i < transfer; i++) + ar->rng.cache[off + i] = buf[i]; + + off += transfer; + count -= transfer; + } + + ar->rng.cache_idx = 0; + +#undef RW +#undef RB + return 0; +} + +static int carl9170_rng_read(struct hwrng *rng, u32 *data) +{ + struct ar9170 *ar = (struct ar9170 *)rng->priv; + int ret = -EIO; mutex_lock(&ar->mutex); - err = carl9170_get_noisefloor(ar); + if (ar->rng.cache_idx >= ARRAY_SIZE(ar->rng.cache)) { + ret = carl9170_rng_get(ar); + if (ret) { + mutex_unlock(&ar->mutex); + return ret; + } + } + + *data = ar->rng.cache[ar->rng.cache_idx++]; mutex_unlock(&ar->mutex); - if (err) + + return sizeof(u16); +} + +static void carl9170_unregister_hwrng(struct ar9170 *ar) +{ + if (ar->rng.initialized) { + hwrng_unregister(&ar->rng.rng); + ar->rng.initialized = false; + } +} + +static int carl9170_register_hwrng(struct ar9170 *ar) +{ + int err; + + snprintf(ar->rng.name, ARRAY_SIZE(ar->rng.name), + "%s_%s", KBUILD_MODNAME, wiphy_name(ar->hw->wiphy)); + ar->rng.rng.name = ar->rng.name; + ar->rng.rng.data_read = carl9170_rng_read; + ar->rng.rng.priv = (unsigned long)ar; + + if (WARN_ON(ar->rng.initialized)) + return -EALREADY; + + err = hwrng_register(&ar->rng.rng); + if (err) { + dev_err(&ar->udev->dev, "Failed to register the random " + "number generator (%d)\n", err); + return err; + } + + ar->rng.initialized = true; + + err = carl9170_rng_get(ar); + if (err) { + carl9170_unregister_hwrng(ar); return err; + } + + return 0; +} +#endif /* CONFIG_CARL9170_HWRNG */ - survey->channel = ar->channel; +static int carl9170_op_get_survey(struct ieee80211_hw *hw, int idx, + struct survey_info *survey) +{ + struct ar9170 *ar = hw->priv; + struct ieee80211_channel *chan; + struct ieee80211_supported_band *band; + int err, b, i; + + chan = ar->channel; + if (!chan) + return -ENODEV; + + if (idx == chan->hw_value) { + mutex_lock(&ar->mutex); + err = carl9170_update_survey(ar, false, true); + mutex_unlock(&ar->mutex); + if (err) + return err; + } + + for (b = 0; b < IEEE80211_NUM_BANDS; b++) { + band = ar->hw->wiphy->bands[b]; + + if (!band) + continue; + + for (i = 0; i < band->n_channels; i++) { + if (band->channels[i].hw_value == idx) { + chan = &band->channels[i]; + goto found; + } + } + } + return -ENOENT; + +found: + memcpy(survey, &ar->survey[idx], sizeof(*survey)); + + survey->channel = chan; survey->filled = SURVEY_INFO_NOISE_DBM; - survey->noise = ar->noise[0]; + + if (ar->channel == chan) + survey->filled |= SURVEY_INFO_IN_USE; + + if (ar->fw.hw_counters) { + survey->filled |= SURVEY_INFO_CHANNEL_TIME | + SURVEY_INFO_CHANNEL_TIME_BUSY | + SURVEY_INFO_CHANNEL_TIME_TX; + } + return 0; } @@ -1486,6 +1672,13 @@ static void carl9170_op_sta_notify(struct ieee80211_hw *hw, } } +static bool carl9170_tx_frames_pending(struct ieee80211_hw *hw) +{ + struct ar9170 *ar = hw->priv; + + return !!atomic_read(&ar->tx_total_queued); +} + static const struct ieee80211_ops carl9170_ops = { .start = carl9170_op_start, .stop = carl9170_op_stop, @@ -1506,6 +1699,7 @@ static const struct ieee80211_ops carl9170_ops = { .get_survey = carl9170_op_get_survey, .get_stats = carl9170_op_get_stats, .ampdu_action = carl9170_op_ampdu_action, + .tx_frames_pending = carl9170_tx_frames_pending, }; void *carl9170_alloc(size_t priv_size) @@ -1563,6 +1757,7 @@ void *carl9170_alloc(size_t priv_size) INIT_WORK(&ar->ping_work, carl9170_ping_work); INIT_WORK(&ar->restart_work, carl9170_restart_work); INIT_WORK(&ar->ampdu_work, carl9170_ampdu_work); + INIT_DELAYED_WORK(&ar->stat_work, carl9170_stat_work); INIT_DELAYED_WORK(&ar->tx_janitor, carl9170_tx_janitor); INIT_LIST_HEAD(&ar->tx_ampdu_list); rcu_assign_pointer(ar->tx_ampdu_iter, @@ -1579,6 +1774,7 @@ void *carl9170_alloc(size_t priv_size) IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | + IEEE80211_HW_NEED_DTIM_PERIOD | IEEE80211_HW_SIGNAL_DBM; if (!modparam_noht) { @@ -1623,7 +1819,7 @@ static int carl9170_read_eeprom(struct ar9170 *ar) BUILD_BUG_ON(sizeof(ar->eeprom) % RB); #endif - for (i = 0; i < sizeof(ar->eeprom)/RB; i++) { + for (i = 0; i < sizeof(ar->eeprom) / RB; i++) { for (j = 0; j < RW; j++) offsets[j] = cpu_to_le32(AR9170_EEPROM_START + RB * i + 4 * j); @@ -1645,6 +1841,7 @@ static int carl9170_parse_eeprom(struct ar9170 *ar) struct ath_regulatory *regulatory = &ar->common.regulatory; unsigned int rx_streams, tx_streams, tx_params = 0; int bands = 0; + int chans = 0; if (ar->eeprom.length == cpu_to_le16(0xffff)) return -ENODATA; @@ -1668,14 +1865,24 @@ static int carl9170_parse_eeprom(struct ar9170 *ar) if (ar->eeprom.operating_flags & AR9170_OPFLAG_2GHZ) { ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &carl9170_band_2GHz; + chans += carl9170_band_2GHz.n_channels; bands++; } if (ar->eeprom.operating_flags & AR9170_OPFLAG_5GHZ) { ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &carl9170_band_5GHz; + chans += carl9170_band_5GHz.n_channels; bands++; } + if (!bands) + return -EINVAL; + + ar->survey = kzalloc(sizeof(struct survey_info) * chans, GFP_KERNEL); + if (!ar->survey) + return -ENOMEM; + ar->num_channels = chans; + /* * I measured this, a bandswitch takes roughly * 135 ms and a frequency switch about 80. @@ -1689,12 +1896,11 @@ static int carl9170_parse_eeprom(struct ar9170 *ar) ar->hw->channel_change_time = 80 * 1000; regulatory->current_rd = le16_to_cpu(ar->eeprom.reg_domain[0]); - regulatory->current_rd_ext = le16_to_cpu(ar->eeprom.reg_domain[1]); /* second part of wiphy init */ SET_IEEE80211_PERM_ADDR(ar->hw, ar->eeprom.mac_address); - return bands ? 0 : -EINVAL; + return 0; } static int carl9170_reg_notifier(struct wiphy *wiphy, @@ -1778,6 +1984,12 @@ int carl9170_register(struct ar9170 *ar) goto err_unreg; #endif /* CONFIG_CARL9170_WPC */ +#ifdef CONFIG_CARL9170_HWRNG + err = carl9170_register_hwrng(ar); + if (err) + goto err_unreg; +#endif /* CONFIG_CARL9170_HWRNG */ + dev_info(&ar->udev->dev, "Atheros AR9170 is registered as '%s'\n", wiphy_name(ar->hw->wiphy)); @@ -1810,6 +2022,10 @@ void carl9170_unregister(struct ar9170 *ar) } #endif /* CONFIG_CARL9170_WPC */ +#ifdef CONFIG_CARL9170_HWRNG + carl9170_unregister_hwrng(ar); +#endif /* CONFIG_CARL9170_HWRNG */ + carl9170_cancel_worker(ar); cancel_work_sync(&ar->restart_work); @@ -1827,6 +2043,9 @@ void carl9170_free(struct ar9170 *ar) kfree(ar->mem_bitmap); ar->mem_bitmap = NULL; + kfree(ar->survey); + ar->survey = NULL; + mutex_destroy(&ar->mutex); ieee80211_free_hw(ar->hw); diff --git a/drivers/net/wireless/ath/carl9170/phy.c b/drivers/net/wireless/ath/carl9170/phy.c index b6ae0e1..472efc7 100644 --- a/drivers/net/wireless/ath/carl9170/phy.c +++ b/drivers/net/wireless/ath/carl9170/phy.c @@ -578,11 +578,10 @@ static int carl9170_init_phy(struct ar9170 *ar, enum ieee80211_band band) if (err) return err; - /* XXX: remove magic! */ - if (is_2ghz) - err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5163); - else - err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, 0x5143); + if (!ar->fw.hw_counters) { + err = carl9170_write_reg(ar, AR9170_PWR_REG_PLL_ADDAC, + is_2ghz ? 0x5163 : 0x5143); + } return err; } @@ -1098,7 +1097,7 @@ static u8 carl9170_interpolate_u8(u8 x, u8 x1, u8 y1, u8 x2, u8 y2) * Isn't it just DIV_ROUND_UP(y, 1<<SHIFT)? * Can we rely on the compiler to optimise away the div? */ - return (y >> SHIFT) + ((y & (1<<(SHIFT-1))) >> (SHIFT - 1)); + return (y >> SHIFT) + ((y & (1 << (SHIFT - 1))) >> (SHIFT - 1)); #undef SHIFT } @@ -1379,7 +1378,7 @@ static void carl9170_calc_ctl(struct ar9170 *ar, u32 freq, enum carl9170_bw bw) modes[i].max_power = carl9170_get_max_edge_power(ar, - freq+f_off, EDGES(ctl_idx, 1)); + freq + f_off, EDGES(ctl_idx, 1)); /* * TODO: check if the regulatory max. power is @@ -1441,7 +1440,7 @@ static int carl9170_set_power_cal(struct ar9170 *ar, u32 freq, if (freq < 3000) f = freq - 2300; else - f = (freq - 4800)/5; + f = (freq - 4800) / 5; /* * cycle through the various modes @@ -1574,6 +1573,9 @@ int carl9170_get_noisefloor(struct ar9170 *ar) AR9170_PHY_EXT_CCA_MIN_PWR, phy_res[i + 2]), 8); } + if (ar->channel) + ar->survey[ar->channel->hw_value].noise = ar->noise[0]; + return 0; } @@ -1766,10 +1768,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, ar->chan_fail = 0; } - err = carl9170_get_noisefloor(ar); - if (err) - return err; - if (ar->heavy_clip) { err = carl9170_write_reg(ar, AR9170_PHY_REG_HEAVY_CLIP_ENABLE, 0x200 | ar->heavy_clip); @@ -1783,12 +1781,6 @@ int carl9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel, } } - /* FIXME: PSM does not work in 5GHz Band */ - if (channel->band == IEEE80211_BAND_5GHZ) - ar->ps.off_override |= PS_OFF_5GHZ; - else - ar->ps.off_override &= ~PS_OFF_5GHZ; - ar->channel = channel; ar->ht_settings = new_ht; return 0; diff --git a/drivers/net/wireless/ath/carl9170/rx.c b/drivers/net/wireless/ath/carl9170/rx.c index ec21ea9..dc99030 100644 --- a/drivers/net/wireless/ath/carl9170/rx.c +++ b/drivers/net/wireless/ath/carl9170/rx.c @@ -472,7 +472,7 @@ static struct sk_buff *carl9170_rx_copy_data(u8 *buf, int len) u8 *qc = ieee80211_get_qos_ctl(hdr); reserved += NET_IP_ALIGN; - if (*qc & IEEE80211_QOS_CONTROL_A_MSDU_PRESENT) + if (*qc & IEEE80211_QOS_CTL_A_MSDU_PRESENT) reserved += NET_IP_ALIGN; } diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c index f190f32..f6384af 100644 --- a/drivers/net/wireless/ath/carl9170/tx.c +++ b/drivers/net/wireless/ath/carl9170/tx.c @@ -296,7 +296,8 @@ static void carl9170_tx_release(struct kref *ref) super = (void *)skb->data; txinfo->status.ampdu_len = super->s.rix; txinfo->status.ampdu_ack_len = super->s.cnt; - } else if (txinfo->flags & IEEE80211_TX_STAT_ACK) { + } else if ((txinfo->flags & IEEE80211_TX_STAT_ACK) && + !(txinfo->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)) { /* * drop redundant tx_status reports: * @@ -308,15 +309,17 @@ static void carl9170_tx_release(struct kref *ref) * * 3. minstrel_ht is picky, it only accepts * reports of frames with the TX_STATUS_AMPDU flag. + * + * 4. mac80211 is not particularly interested in + * feedback either [CTL_REQ_TX_STATUS not set] */ dev_kfree_skb_any(skb); return; } else { /* - * Frame has failed, but we want to keep it in - * case it was lost due to a power-state - * transition. + * Either the frame transmission has failed or + * mac80211 requested tx status. */ } } @@ -661,11 +664,67 @@ void carl9170_tx_process_status(struct ar9170 *ar, } } +static void carl9170_tx_rate_tpc_chains(struct ar9170 *ar, + struct ieee80211_tx_info *info, struct ieee80211_tx_rate *txrate, + unsigned int *phyrate, unsigned int *tpc, unsigned int *chains) +{ + struct ieee80211_rate *rate = NULL; + u8 *txpower; + unsigned int idx; + + idx = txrate->idx; + *tpc = 0; + *phyrate = 0; + + if (txrate->flags & IEEE80211_TX_RC_MCS) { + if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) { + /* +1 dBm for HT40 */ + *tpc += 2; + + if (info->band == IEEE80211_BAND_2GHZ) + txpower = ar->power_2G_ht40; + else + txpower = ar->power_5G_ht40; + } else { + if (info->band == IEEE80211_BAND_2GHZ) + txpower = ar->power_2G_ht20; + else + txpower = ar->power_5G_ht20; + } + + *phyrate = txrate->idx; + *tpc += txpower[idx & 7]; + } else { + if (info->band == IEEE80211_BAND_2GHZ) { + if (idx < 4) + txpower = ar->power_2G_cck; + else + txpower = ar->power_2G_ofdm; + } else { + txpower = ar->power_5G_leg; + idx += 4; + } + + rate = &__carl9170_ratetable[idx]; + *tpc += txpower[(rate->hw_value & 0x30) >> 4]; + *phyrate = rate->hw_value & 0xf; + } + + if (ar->eeprom.tx_mask == 1) { + *chains = AR9170_TX_PHY_TXCHAIN_1; + } else { + if (!(txrate->flags & IEEE80211_TX_RC_MCS) && + rate && rate->bitrate >= 360) + *chains = AR9170_TX_PHY_TXCHAIN_1; + else + *chains = AR9170_TX_PHY_TXCHAIN_2; + } +} + static __le32 carl9170_tx_physet(struct ar9170 *ar, struct ieee80211_tx_info *info, struct ieee80211_tx_rate *txrate) { - struct ieee80211_rate *rate = NULL; - u32 power, chains; + unsigned int power = 0, chains = 0, phyrate = 0; __le32 tmp; tmp = cpu_to_le32(0); @@ -682,35 +741,12 @@ static __le32 carl9170_tx_physet(struct ar9170 *ar, tmp |= cpu_to_le32(AR9170_TX_PHY_SHORT_GI); if (txrate->flags & IEEE80211_TX_RC_MCS) { - u32 r = txrate->idx; - u8 *txpower; + SET_VAL(AR9170_TX_PHY_MCS, phyrate, txrate->idx); /* heavy clip control */ - tmp |= cpu_to_le32((r & 0x7) << + tmp |= cpu_to_le32((txrate->idx & 0x7) << AR9170_TX_PHY_TX_HEAVY_CLIP_S); - if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) { - if (info->band == IEEE80211_BAND_5GHZ) - txpower = ar->power_5G_ht40; - else - txpower = ar->power_2G_ht40; - } else { - if (info->band == IEEE80211_BAND_5GHZ) - txpower = ar->power_5G_ht20; - else - txpower = ar->power_2G_ht20; - } - - power = txpower[r & 7]; - - /* +1 dBm for HT40 */ - if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - power += 2; - - r <<= AR9170_TX_PHY_MCS_S; - BUG_ON(r & ~AR9170_TX_PHY_MCS); - - tmp |= cpu_to_le32(r & AR9170_TX_PHY_MCS); tmp |= cpu_to_le32(AR9170_TX_PHY_MOD_HT); /* @@ -720,34 +756,15 @@ static __le32 carl9170_tx_physet(struct ar9170 *ar, * tmp |= cpu_to_le32(AR9170_TX_PHY_GREENFIELD); */ } else { - u8 *txpower; - u32 mod; - u32 phyrate; - u8 idx = txrate->idx; - - if (info->band != IEEE80211_BAND_2GHZ) { - idx += 4; - txpower = ar->power_5G_leg; - mod = AR9170_TX_PHY_MOD_OFDM; + if (info->band == IEEE80211_BAND_2GHZ) { + if (txrate->idx <= AR9170_TX_PHY_RATE_CCK_11M) + tmp |= cpu_to_le32(AR9170_TX_PHY_MOD_CCK); + else + tmp |= cpu_to_le32(AR9170_TX_PHY_MOD_OFDM); } else { - if (idx < 4) { - txpower = ar->power_2G_cck; - mod = AR9170_TX_PHY_MOD_CCK; - } else { - mod = AR9170_TX_PHY_MOD_OFDM; - txpower = ar->power_2G_ofdm; - } + tmp |= cpu_to_le32(AR9170_TX_PHY_MOD_OFDM); } - rate = &__carl9170_ratetable[idx]; - - phyrate = rate->hw_value & 0xF; - power = txpower[(rate->hw_value & 0x30) >> 4]; - phyrate <<= AR9170_TX_PHY_MCS_S; - - tmp |= cpu_to_le32(mod); - tmp |= cpu_to_le32(phyrate); - /* * short preamble seems to be broken too. * @@ -755,23 +772,12 @@ static __le32 carl9170_tx_physet(struct ar9170 *ar, * tmp |= cpu_to_le32(AR9170_TX_PHY_SHORT_PREAMBLE); */ } - power <<= AR9170_TX_PHY_TX_PWR_S; - power &= AR9170_TX_PHY_TX_PWR; - tmp |= cpu_to_le32(power); - - /* set TX chains */ - if (ar->eeprom.tx_mask == 1) { - chains = AR9170_TX_PHY_TXCHAIN_1; - } else { - chains = AR9170_TX_PHY_TXCHAIN_2; - - /* >= 36M legacy OFDM - use only one chain */ - if (rate && rate->bitrate >= 360 && - !(txrate->flags & IEEE80211_TX_RC_MCS)) - chains = AR9170_TX_PHY_TXCHAIN_1; - } - tmp |= cpu_to_le32(chains << AR9170_TX_PHY_TXCHAIN_S); + carl9170_tx_rate_tpc_chains(ar, info, txrate, + &phyrate, &power, &chains); + tmp |= cpu_to_le32(SET_CONSTVAL(AR9170_TX_PHY_MCS, phyrate)); + tmp |= cpu_to_le32(SET_CONSTVAL(AR9170_TX_PHY_TX_PWR, power)); + tmp |= cpu_to_le32(SET_CONSTVAL(AR9170_TX_PHY_TXCHAIN, chains)); return tmp; } @@ -1228,6 +1234,7 @@ static bool carl9170_tx_ps_drop(struct ar9170 *ar, struct sk_buff *skb) { struct ieee80211_sta *sta; struct carl9170_sta_info *sta_info; + struct ieee80211_tx_info *tx_info; rcu_read_lock(); sta = __carl9170_get_tx_sta(ar, skb); @@ -1235,12 +1242,13 @@ static bool carl9170_tx_ps_drop(struct ar9170 *ar, struct sk_buff *skb) goto out_rcu; sta_info = (void *) sta->drv_priv; - if (unlikely(sta_info->sleeping)) { - struct ieee80211_tx_info *tx_info; + tx_info = IEEE80211_SKB_CB(skb); + if (unlikely(sta_info->sleeping) && + !(tx_info->flags & (IEEE80211_TX_CTL_POLL_RESPONSE | + IEEE80211_TX_CTL_CLEAR_PS_FILT))) { rcu_read_unlock(); - tx_info = IEEE80211_SKB_CB(skb); if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) atomic_dec(&ar->tx_ampdu_upload); @@ -1439,3 +1447,154 @@ void carl9170_tx_scheduler(struct ar9170 *ar) if (ar->tx_schedule) carl9170_tx(ar); } + +int carl9170_update_beacon(struct ar9170 *ar, const bool submit) +{ + struct sk_buff *skb = NULL; + struct carl9170_vif_info *cvif; + struct ieee80211_tx_info *txinfo; + struct ieee80211_tx_rate *rate; + __le32 *data, *old = NULL; + unsigned int plcp, power, chains; + u32 word, ht1, off, addr, len; + int i = 0, err = 0; + + rcu_read_lock(); + cvif = rcu_dereference(ar->beacon_iter); +retry: + if (ar->vifs == 0 || !cvif) + goto out_unlock; + + list_for_each_entry_continue_rcu(cvif, &ar->vif_list, list) { + if (cvif->active && cvif->enable_beacon) + goto found; + } + + if (!ar->beacon_enabled || i++) + goto out_unlock; + + goto retry; + +found: + rcu_assign_pointer(ar->beacon_iter, cvif); + + skb = ieee80211_beacon_get_tim(ar->hw, carl9170_get_vif(cvif), + NULL, NULL); + + if (!skb) { + err = -ENOMEM; + goto err_free; + } + + txinfo = IEEE80211_SKB_CB(skb); + spin_lock_bh(&ar->beacon_lock); + data = (__le32 *)skb->data; + if (cvif->beacon) + old = (__le32 *)cvif->beacon->data; + + off = cvif->id * AR9170_MAC_BCN_LENGTH_MAX; + addr = ar->fw.beacon_addr + off; + len = roundup(skb->len + FCS_LEN, 4); + + if ((off + len) > ar->fw.beacon_max_len) { + if (net_ratelimit()) { + wiphy_err(ar->hw->wiphy, "beacon does not " + "fit into device memory!\n"); + } + err = -EINVAL; + goto err_unlock; + } + + if (len > AR9170_MAC_BCN_LENGTH_MAX) { + if (net_ratelimit()) { + wiphy_err(ar->hw->wiphy, "no support for beacons " + "bigger than %d (yours:%d).\n", + AR9170_MAC_BCN_LENGTH_MAX, len); + } + + err = -EMSGSIZE; + goto err_unlock; + } + + ht1 = AR9170_MAC_BCN_HT1_TX_ANT0; + rate = &txinfo->control.rates[0]; + carl9170_tx_rate_tpc_chains(ar, txinfo, rate, &plcp, &power, &chains); + if (!(txinfo->control.rates[0].flags & IEEE80211_TX_RC_MCS)) { + if (plcp <= AR9170_TX_PHY_RATE_CCK_11M) + plcp |= ((skb->len + FCS_LEN) << (3 + 16)) + 0x0400; + else + plcp |= ((skb->len + FCS_LEN) << 16) + 0x0010; + } else { + ht1 |= AR9170_MAC_BCN_HT1_HT_EN; + if (rate->flags & IEEE80211_TX_RC_SHORT_GI) + plcp |= AR9170_MAC_BCN_HT2_SGI; + + if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) { + ht1 |= AR9170_MAC_BCN_HT1_BWC_40M_SHARED; + plcp |= AR9170_MAC_BCN_HT2_BW40; + } + if (rate->flags & IEEE80211_TX_RC_DUP_DATA) { + ht1 |= AR9170_MAC_BCN_HT1_BWC_40M_DUP; + plcp |= AR9170_MAC_BCN_HT2_BW40; + } + + SET_VAL(AR9170_MAC_BCN_HT2_LEN, plcp, skb->len + FCS_LEN); + } + + SET_VAL(AR9170_MAC_BCN_HT1_PWR_CTRL, ht1, 7); + SET_VAL(AR9170_MAC_BCN_HT1_TPC, ht1, power); + SET_VAL(AR9170_MAC_BCN_HT1_CHAIN_MASK, ht1, chains); + if (chains == AR9170_TX_PHY_TXCHAIN_2) + ht1 |= AR9170_MAC_BCN_HT1_TX_ANT1; + + carl9170_async_regwrite_begin(ar); + carl9170_async_regwrite(AR9170_MAC_REG_BCN_HT1, ht1); + if (!(txinfo->control.rates[0].flags & IEEE80211_TX_RC_MCS)) + carl9170_async_regwrite(AR9170_MAC_REG_BCN_PLCP, plcp); + else + carl9170_async_regwrite(AR9170_MAC_REG_BCN_HT2, plcp); + + for (i = 0; i < DIV_ROUND_UP(skb->len, 4); i++) { + /* + * XXX: This accesses beyond skb data for up + * to the last 3 bytes!! + */ + + if (old && (data[i] == old[i])) + continue; + + word = le32_to_cpu(data[i]); + carl9170_async_regwrite(addr + 4 * i, word); + } + carl9170_async_regwrite_finish(); + + dev_kfree_skb_any(cvif->beacon); + cvif->beacon = NULL; + + err = carl9170_async_regwrite_result(); + if (!err) + cvif->beacon = skb; + spin_unlock_bh(&ar->beacon_lock); + if (err) + goto err_free; + + if (submit) { + err = carl9170_bcn_ctrl(ar, cvif->id, + CARL9170_BCN_CTRL_CAB_TRIGGER, + addr, skb->len + FCS_LEN); + + if (err) + goto err_free; + } +out_unlock: + rcu_read_unlock(); + return 0; + +err_unlock: + spin_unlock_bh(&ar->beacon_lock); + +err_free: + rcu_read_unlock(); + dev_kfree_skb_any(skb); + return err; +} diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c index 333b69e..5538596 100644 --- a/drivers/net/wireless/ath/carl9170/usb.c +++ b/drivers/net/wireless/ath/carl9170/usb.c @@ -614,9 +614,16 @@ int __carl9170_exec_cmd(struct ar9170 *ar, struct carl9170_cmd *cmd, goto err_free; } - usb_fill_int_urb(urb, ar->udev, usb_sndintpipe(ar->udev, - AR9170_USB_EP_CMD), cmd, cmd->hdr.len + 4, - carl9170_usb_cmd_complete, ar, 1); + if (ar->usb_ep_cmd_is_bulk) + usb_fill_bulk_urb(urb, ar->udev, + usb_sndbulkpipe(ar->udev, AR9170_USB_EP_CMD), + cmd, cmd->hdr.len + 4, + carl9170_usb_cmd_complete, ar); + else + usb_fill_int_urb(urb, ar->udev, + usb_sndintpipe(ar->udev, AR9170_USB_EP_CMD), + cmd, cmd->hdr.len + 4, + carl9170_usb_cmd_complete, ar, 1); if (free_buf) urb->transfer_flags |= URB_FREE_BUFFER; @@ -1025,9 +1032,10 @@ static void carl9170_usb_firmware_step2(const struct firmware *fw, static int carl9170_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { + struct usb_endpoint_descriptor *ep; struct ar9170 *ar; struct usb_device *udev; - int err; + int i, err; err = usb_reset_device(interface_to_usbdev(intf)); if (err) @@ -1043,6 +1051,21 @@ static int carl9170_usb_probe(struct usb_interface *intf, ar->intf = intf; ar->features = id->driver_info; + /* We need to remember the type of endpoint 4 because it differs + * between high- and full-speed configuration. The high-speed + * configuration specifies it as interrupt and the full-speed + * configuration as bulk endpoint. This information is required + * later when sending urbs to that endpoint. + */ + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; ++i) { + ep = &intf->cur_altsetting->endpoint[i].desc; + + if (usb_endpoint_num(ep) == AR9170_USB_EP_CMD && + usb_endpoint_dir_out(ep) && + usb_endpoint_type(ep) == USB_ENDPOINT_XFER_BULK) + ar->usb_ep_cmd_is_bulk = true; + } + usb_set_intfdata(intf, ar); SET_IEEE80211_DEV(ar->hw, &intf->dev); diff --git a/drivers/net/wireless/ath/carl9170/version.h b/drivers/net/wireless/ath/carl9170/version.h index 15095c0..e651db8 100644 --- a/drivers/net/wireless/ath/carl9170/version.h +++ b/drivers/net/wireless/ath/carl9170/version.h @@ -1,7 +1,7 @@ #ifndef __CARL9170_SHARED_VERSION_H #define __CARL9170_SHARED_VERSION_H #define CARL9170FW_VERSION_YEAR 11 -#define CARL9170FW_VERSION_MONTH 1 -#define CARL9170FW_VERSION_DAY 22 -#define CARL9170FW_VERSION_GIT "1.9.2" +#define CARL9170FW_VERSION_MONTH 8 +#define CARL9170FW_VERSION_DAY 15 +#define CARL9170FW_VERSION_GIT "1.9.4" #endif /* __CARL9170_SHARED_VERSION_H */ diff --git a/drivers/net/wireless/ath/carl9170/wlan.h b/drivers/net/wireless/ath/carl9170/wlan.h index 9e1324b..ea17995 100644 --- a/drivers/net/wireless/ath/carl9170/wlan.h +++ b/drivers/net/wireless/ath/carl9170/wlan.h @@ -4,7 +4,7 @@ * RX/TX meta descriptor format * * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * Copyright 2009, 2010, Christian Lamparter <chunkeey@googlemail.com> + * Copyright 2009-2011 Christian Lamparter <chunkeey@googlemail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -278,7 +278,7 @@ struct ar9170_tx_frame { struct carl9170_tx_superframe { struct carl9170_tx_superdesc s; struct ar9170_tx_frame f; -} __packed; +} __packed __aligned(4); #endif /* __CARL9170FW__ */ @@ -328,7 +328,7 @@ struct _carl9170_tx_superframe { struct _carl9170_tx_superdesc s; struct _ar9170_tx_hwdesc f; u8 frame_data[0]; -} __packed; +} __packed __aligned(4); #define CARL9170_TX_SUPERDESC_LEN 24 #define AR9170_TX_HWDESC_LEN 8 @@ -404,16 +404,6 @@ static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_macstatus *t) (t->DAidx & 0xc0) >> 6; } -enum ar9170_txq { - AR9170_TXQ_BE, - - AR9170_TXQ_VI, - AR9170_TXQ_VO, - AR9170_TXQ_BK, - - __AR9170_NUM_TXQ, -}; - /* * This is an workaround for several undocumented bugs. * Don't mess with the QoS/AC <-> HW Queue map, if you don't @@ -431,7 +421,14 @@ enum ar9170_txq { * result, this makes the device pretty much useless * for any serious 802.11n setup. */ -static const u8 ar9170_qmap[__AR9170_NUM_TXQ] = { 2, 1, 0, 3 }; +enum ar9170_txq { + AR9170_TXQ_BK = 0, /* TXQ0 */ + AR9170_TXQ_BE, /* TXQ1 */ + AR9170_TXQ_VI, /* TXQ2 */ + AR9170_TXQ_VO, /* TXQ3 */ + + __AR9170_NUM_TXQ, +}; #define AR9170_TXQ_DEPTH 32 |