diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/commands.h | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/dev.h | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/main.c | 56 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/dvm/ucode.c | 37 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans.h | 27 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/internal.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 22 |
7 files changed, 98 insertions, 103 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h index 64811cd91635..97bea16f3592 100644 --- a/drivers/net/wireless/iwlwifi/dvm/commands.h +++ b/drivers/net/wireless/iwlwifi/dvm/commands.h @@ -190,6 +190,44 @@ enum { REPLY_MAX = 0xff }; +/* + * Minimum number of queues. MAX_NUM is defined in hw specific files. + * Set the minimum to accommodate + * - 4 standard TX queues + * - the command queue + * - 4 PAN TX queues + * - the PAN multicast queue, and + * - the AUX (TX during scan dwell) queue. + */ +#define IWL_MIN_NUM_QUEUES 11 + +/* + * Command queue depends on iPAN support. + */ +#define IWL_DEFAULT_CMD_QUEUE_NUM 4 +#define IWL_IPAN_CMD_QUEUE_NUM 9 + +#define IWL_TX_FIFO_BK 0 /* shared */ +#define IWL_TX_FIFO_BE 1 +#define IWL_TX_FIFO_VI 2 /* shared */ +#define IWL_TX_FIFO_VO 3 +#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK +#define IWL_TX_FIFO_BE_IPAN 4 +#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI +#define IWL_TX_FIFO_VO_IPAN 5 +/* re-uses the VO FIFO, uCode will properly flush/schedule */ +#define IWL_TX_FIFO_AUX 5 +#define IWL_TX_FIFO_UNUSED 255 + +#define IWLAGN_CMD_FIFO_NUM 7 + +/* + * This queue number is required for proper operation + * because the ucode will stop/start the scheduler as + * required. + */ +#define IWL_IPAN_MCAST_QUEUE 8 + /****************************************************************************** * (0) * Commonly used structures and definitions: @@ -755,8 +793,6 @@ struct iwl_qosparam_cmd { #define IWLAGN_BROADCAST_ID 15 #define IWLAGN_STATION_COUNT 16 -#define IWL_INVALID_STATION 255 -#define IWL_MAX_TID_COUNT 8 #define IWL_TID_NON_QOS IWL_MAX_TID_COUNT #define STA_FLG_TX_RATE_MSK cpu_to_le32(1 << 2) diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h index 54cf085ddc89..054f728f6266 100644 --- a/drivers/net/wireless/iwlwifi/dvm/dev.h +++ b/drivers/net/wireless/iwlwifi/dvm/dev.h @@ -90,22 +90,6 @@ #define IWL_NUM_SCAN_RATES (2) -/* - * Minimum number of queues. MAX_NUM is defined in hw specific files. - * Set the minimum to accommodate - * - 4 standard TX queues - * - the command queue - * - 4 PAN TX queues - * - the PAN multicast queue, and - * - the AUX (TX during scan dwell) queue. - */ -#define IWL_MIN_NUM_QUEUES 11 - -/* - * Command queue depends on iPAN support. - */ -#define IWL_DEFAULT_CMD_QUEUE_NUM 4 -#define IWL_IPAN_CMD_QUEUE_NUM 9 #define IEEE80211_DATA_LEN 2304 #define IEEE80211_4ADDR_LEN 30 diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index abfd7916bde6..612f05d757db 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -518,49 +518,6 @@ static void iwl_bg_tx_flush(struct work_struct *work) * queue/FIFO/AC mapping definitions */ -#define IWL_TX_FIFO_BK 0 /* shared */ -#define IWL_TX_FIFO_BE 1 -#define IWL_TX_FIFO_VI 2 /* shared */ -#define IWL_TX_FIFO_VO 3 -#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK -#define IWL_TX_FIFO_BE_IPAN 4 -#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI -#define IWL_TX_FIFO_VO_IPAN 5 -/* re-uses the VO FIFO, uCode will properly flush/schedule */ -#define IWL_TX_FIFO_AUX 5 -#define IWL_TX_FIFO_UNUSED -1 - -#define IWLAGN_CMD_FIFO_NUM 7 - -/* - * This queue number is required for proper operation - * because the ucode will stop/start the scheduler as - * required. - */ -#define IWL_IPAN_MCAST_QUEUE 8 - -static const u8 iwlagn_default_queue_to_tx_fifo[] = { - IWL_TX_FIFO_VO, - IWL_TX_FIFO_VI, - IWL_TX_FIFO_BE, - IWL_TX_FIFO_BK, - IWLAGN_CMD_FIFO_NUM, -}; - -static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { - IWL_TX_FIFO_VO, - IWL_TX_FIFO_VI, - IWL_TX_FIFO_BE, - IWL_TX_FIFO_BK, - IWL_TX_FIFO_BK_IPAN, - IWL_TX_FIFO_BE_IPAN, - IWL_TX_FIFO_VI_IPAN, - IWL_TX_FIFO_VO_IPAN, - IWL_TX_FIFO_BE_IPAN, - IWLAGN_CMD_FIFO_NUM, - IWL_TX_FIFO_AUX, -}; - static const u8 iwlagn_bss_ac_to_fifo[] = { IWL_TX_FIFO_VO, IWL_TX_FIFO_VI, @@ -1350,6 +1307,7 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, else trans_cfg.queue_watchdog_timeout = IWL_WATCHDOG_DISABLED; trans_cfg.command_names = iwl_dvm_cmd_strings; + trans_cfg.cmd_fifo = IWLAGN_CMD_FIFO_NUM; WARN_ON(sizeof(priv->transport_queue_stop) * BITS_PER_BYTE < priv->cfg->base_params->num_of_queues); @@ -1363,15 +1321,9 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) { priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN; trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM; - trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo; - trans_cfg.n_queue_to_fifo = - ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); } else { priv->sta_key_max_num = STA_KEY_MAX_NUM; trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; - trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; - trans_cfg.n_queue_to_fifo = - ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); } /* Configure transport layer */ @@ -1460,9 +1412,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P; priv->sta_key_max_num = STA_KEY_MAX_NUM; trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM; - trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo; - trans_cfg.n_queue_to_fifo = - ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); /* Configure transport layer again*/ iwl_trans_configure(priv->trans, &trans_cfg); @@ -1480,9 +1429,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans, atomic_set(&priv->queue_stop_count[i], 0); } - WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] != - IWLAGN_CMD_FIFO_NUM); - if (iwl_init_drv(priv)) goto out_free_eeprom; diff --git a/drivers/net/wireless/iwlwifi/dvm/ucode.c b/drivers/net/wireless/iwlwifi/dvm/ucode.c index b3a314ba48c7..6d8d6dd7943f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/ucode.c +++ b/drivers/net/wireless/iwlwifi/dvm/ucode.c @@ -226,13 +226,50 @@ int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type) return ret; } +static const u8 iwlagn_default_queue_to_tx_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, +}; + +static const u8 iwlagn_ipan_queue_to_tx_fifo[] = { + IWL_TX_FIFO_VO, + IWL_TX_FIFO_VI, + IWL_TX_FIFO_BE, + IWL_TX_FIFO_BK, + IWL_TX_FIFO_BK_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWL_TX_FIFO_VI_IPAN, + IWL_TX_FIFO_VO_IPAN, + IWL_TX_FIFO_BE_IPAN, + IWL_TX_FIFO_UNUSED, + IWL_TX_FIFO_AUX, +}; static int iwl_alive_notify(struct iwl_priv *priv) { + const u8 *queue_to_txf; + u8 n_queues; int ret; + int i; iwl_trans_fw_alive(priv->trans); + if (priv->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_PAN && + priv->eeprom_data->sku & EEPROM_SKU_CAP_IPAN_ENABLE) { + n_queues = ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo); + queue_to_txf = iwlagn_ipan_queue_to_tx_fifo; + } else { + n_queues = ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo); + queue_to_txf = iwlagn_default_queue_to_tx_fifo; + } + + for (i = 0; i < n_queues; i++) + if (queue_to_txf[i] != IWL_TX_FIFO_UNUSED) + iwl_trans_ac_txq_enable(priv->trans, i, + queue_to_txf[i]); + priv->passive_no_rx = false; priv->transport_queue_stop = 0; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index 00efde8e5536..867d8e194da4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -290,16 +290,17 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r) * currently supports */ #define IWL_MAX_HW_QUEUES 32 +#define IWL_INVALID_STATION 255 +#define IWL_MAX_TID_COUNT 8 +#define IWL_FRAME_LIMIT 64 /** * struct iwl_trans_config - transport configuration * * @op_mode: pointer to the upper layer. - * @queue_to_fifo: queue to FIFO mapping to set up by - * default - * @n_queue_to_fifo: number of queues to set up * @cmd_queue: the index of the command queue. * Must be set before start_fw. + * @cmd_fifo: the fifo for host commands * @no_reclaim_cmds: Some devices erroneously don't set the * SEQ_RX_FRAME bit on some notifications, this is the * list of such notifications to filter. Max length is @@ -314,10 +315,9 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r) */ struct iwl_trans_config { struct iwl_op_mode *op_mode; - const u8 *queue_to_fifo; - u8 n_queue_to_fifo; u8 cmd_queue; + u8 cmd_fifo; const u8 *no_reclaim_cmds; int n_no_reclaim_cmds; @@ -355,9 +355,9 @@ struct iwl_trans; * Must be atomic * @reclaim: free packet until ssn. Returns a list of freed packets. * Must be atomic - * @txq_enable: setup a tx queue for AMPDU - will be called once the HW is - * ready and a successful ADDBA response has been received. - * May sleep + * @txq_enable: setup a queue. To setup an AC queue, use the + * iwl_trans_ac_txq_enable wrapper. fw_alive must have been called before + * this one. The op_mode must not configure the HCMD queue. May sleep. * @txq_disable: de-configure a Tx queue to send AMPDUs * Must be atomic * @wait_tx_queue_empty: wait until all tx queues are empty @@ -497,9 +497,9 @@ static inline void iwl_trans_fw_alive(struct iwl_trans *trans) { might_sleep(); - trans->ops->fw_alive(trans); - trans->state = IWL_TRANS_FW_ALIVE; + + trans->ops->fw_alive(trans); } static inline int iwl_trans_start_fw(struct iwl_trans *trans, @@ -593,6 +593,13 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue, frame_limit, ssn); } +static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue, + int fifo) +{ + iwl_trans_txq_enable(trans, queue, fifo, IWL_INVALID_STATION, + IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0); +} + static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans) { WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE, diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h index 5024fb662bf6..d9694c58208c 100644 --- a/drivers/net/wireless/iwlwifi/pcie/internal.h +++ b/drivers/net/wireless/iwlwifi/pcie/internal.h @@ -269,10 +269,9 @@ struct iwl_trans_pcie { wait_queue_head_t ucode_write_waitq; unsigned long status; u8 cmd_queue; + u8 cmd_fifo; u8 n_no_reclaim_cmds; u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS]; - u8 setup_q_to_fifo[IWL_MAX_HW_QUEUES]; - u8 n_q_to_fifo; bool rx_buf_size_8k; u32 rx_page_order; diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 42f369d15f48..bac0eb0d046d 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -1059,7 +1059,7 @@ static void iwl_tx_start(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u32 a; - int i, chan; + int chan; u32 reg_val; /* make sure all queue are not stopped/used */ @@ -1091,12 +1091,8 @@ static void iwl_tx_start(struct iwl_trans *trans) */ iwl_write_prph(trans, SCD_CHAINEXT_EN, 0); - for (i = 0; i < trans_pcie->n_q_to_fifo; i++) { - int fifo = trans_pcie->setup_q_to_fifo[i]; - - iwl_trans_pcie_txq_enable(trans, i, fifo, IWL_INVALID_STATION, - IWL_TID_NON_QOS, SCD_FRAME_LIMIT, 0); - } + iwl_trans_ac_txq_enable(trans, trans_pcie->cmd_queue, + trans_pcie->cmd_fifo); /* Activate all Tx DMA/FIFO channels */ iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7)); @@ -1528,6 +1524,7 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); trans_pcie->cmd_queue = trans_cfg->cmd_queue; + trans_pcie->cmd_fifo = trans_cfg->cmd_fifo; if (WARN_ON(trans_cfg->n_no_reclaim_cmds > MAX_NO_RECLAIM_CMDS)) trans_pcie->n_no_reclaim_cmds = 0; else @@ -1536,17 +1533,6 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, memcpy(trans_pcie->no_reclaim_cmds, trans_cfg->no_reclaim_cmds, trans_pcie->n_no_reclaim_cmds * sizeof(u8)); - trans_pcie->n_q_to_fifo = trans_cfg->n_queue_to_fifo; - - if (WARN_ON(trans_pcie->n_q_to_fifo > IWL_MAX_HW_QUEUES)) - trans_pcie->n_q_to_fifo = IWL_MAX_HW_QUEUES; - - /* at least the command queue must be mapped */ - WARN_ON(!trans_pcie->n_q_to_fifo); - - memcpy(trans_pcie->setup_q_to_fifo, trans_cfg->queue_to_fifo, - trans_pcie->n_q_to_fifo * sizeof(u8)); - trans_pcie->rx_buf_size_8k = trans_cfg->rx_buf_size_8k; if (trans_pcie->rx_buf_size_8k) trans_pcie->rx_page_order = get_order(8 * 1024); |