diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/tx.h')
| -rw-r--r-- | drivers/net/wireless/wl12xx/tx.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/net/wireless/wl12xx/tx.h b/drivers/net/wireless/wl12xx/tx.h deleted file mode 100644 index 5cf8c32d40d1..000000000000 --- a/drivers/net/wireless/wl12xx/tx.h +++ /dev/null @@ -1,232 +0,0 @@ -/* - * This file is part of wl1271 - * - * Copyright (C) 1998-2009 Texas Instruments. All rights reserved. - * Copyright (C) 2009 Nokia Corporation - * - * Contact: Luciano Coelho <luciano.coelho@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#ifndef __TX_H__ -#define __TX_H__ - -#define TX_HW_BLOCK_SPARE_DEFAULT 1 -#define TX_HW_BLOCK_SIZE 252 - -#define TX_HW_MGMT_PKT_LIFETIME_TU 2000 -#define TX_HW_AP_MODE_PKT_LIFETIME_TU 8000 - -#define TX_HW_ATTR_SAVE_RETRIES BIT(0) -#define TX_HW_ATTR_HEADER_PAD BIT(1) -#define TX_HW_ATTR_SESSION_COUNTER (BIT(2) | BIT(3) | BIT(4)) -#define TX_HW_ATTR_RATE_POLICY (BIT(5) | BIT(6) | BIT(7) | \ - BIT(8) | BIT(9)) -#define TX_HW_ATTR_LAST_WORD_PAD (BIT(10) | BIT(11)) -#define TX_HW_ATTR_TX_CMPLT_REQ BIT(12) -#define TX_HW_ATTR_TX_DUMMY_REQ BIT(13) -#define TX_HW_ATTR_HOST_ENCRYPT BIT(14) - -#define TX_HW_ATTR_OFST_SAVE_RETRIES 0 -#define TX_HW_ATTR_OFST_HEADER_PAD 1 -#define TX_HW_ATTR_OFST_SESSION_COUNTER 2 -#define TX_HW_ATTR_OFST_RATE_POLICY 5 -#define TX_HW_ATTR_OFST_LAST_WORD_PAD 10 -#define TX_HW_ATTR_OFST_TX_CMPLT_REQ 12 - -#define TX_HW_RESULT_QUEUE_LEN 16 -#define TX_HW_RESULT_QUEUE_LEN_MASK 0xf - -#define WL1271_TX_ALIGN_TO 4 -#define WL1271_EXTRA_SPACE_TKIP 4 -#define WL1271_EXTRA_SPACE_AES 8 -#define WL1271_EXTRA_SPACE_MAX 8 - -/* Used for management frames and dummy packets */ -#define WL1271_TID_MGMT 7 - -struct wl127x_tx_mem { - /* - * Number of extra memory blocks to allocate for this packet - * in addition to the number of blocks derived from the packet - * length. - */ - u8 extra_blocks; - /* - * Total number of memory blocks allocated by the host for - * this packet. Must be equal or greater than the actual - * blocks number allocated by HW. - */ - u8 total_mem_blocks; -} __packed; - -struct wl128x_tx_mem { - /* - * Total number of memory blocks allocated by the host for - * this packet. - */ - u8 total_mem_blocks; - /* - * Number of extra bytes, at the end of the frame. the host - * uses this padding to complete each frame to integer number - * of SDIO blocks. - */ - u8 extra_bytes; -} __packed; - -/* - * On wl128x based devices, when TX packets are aggregated, each packet - * size must be aligned to the SDIO block size. The maximum block size - * is bounded by the type of the padded bytes field that is sent to the - * FW. Currently the type is u8, so the maximum block size is 256 bytes. - */ -#define WL12XX_BUS_BLOCK_SIZE min(512u, \ - (1u << (8 * sizeof(((struct wl128x_tx_mem *) 0)->extra_bytes)))) - -struct wl1271_tx_hw_descr { - /* Length of packet in words, including descriptor+header+data */ - __le16 length; - union { - struct wl127x_tx_mem wl127x_mem; - struct wl128x_tx_mem wl128x_mem; - } __packed; - /* Device time (in us) when the packet arrived to the driver */ - __le32 start_time; - /* - * Max delay in TUs until transmission. The last device time the - * packet can be transmitted is: start_time + (1024 * life_time) - */ - __le16 life_time; - /* Bitwise fields - see TX_ATTR... definitions above. */ - __le16 tx_attr; - /* Packet identifier used also in the Tx-Result. */ - u8 id; - /* The packet TID value (as User-Priority) */ - u8 tid; - /* host link ID (HLID) */ - u8 hlid; - u8 reserved; -} __packed; - -enum wl1271_tx_hw_res_status { - TX_SUCCESS = 0, - TX_HW_ERROR = 1, - TX_DISABLED = 2, - TX_RETRY_EXCEEDED = 3, - TX_TIMEOUT = 4, - TX_KEY_NOT_FOUND = 5, - TX_PEER_NOT_FOUND = 6, - TX_SESSION_MISMATCH = 7, - TX_LINK_NOT_VALID = 8, -}; - -struct wl1271_tx_hw_res_descr { - /* Packet Identifier - same value used in the Tx descriptor.*/ - u8 id; - /* The status of the transmission, indicating success or one of - several possible reasons for failure. */ - u8 status; - /* Total air access duration including all retrys and overheads.*/ - __le16 medium_usage; - /* The time passed from host xfer to Tx-complete.*/ - __le32 fw_handling_time; - /* Total media delay - (from 1st EDCA AIFS counter until TX Complete). */ - __le32 medium_delay; - /* LS-byte of last TKIP seq-num (saved per AC for recovery). */ - u8 tx_security_sequence_number_lsb; - /* Retry count - number of transmissions without successful ACK.*/ - u8 ack_failures; - /* The rate that succeeded getting ACK - (Valid only if status=SUCCESS). */ - u8 rate_class_index; - /* for 4-byte alignment. */ - u8 spare; -} __packed; - -struct wl1271_tx_hw_res_if { - __le32 tx_result_fw_counter; - __le32 tx_result_host_counter; - struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN]; -} __packed; - -static inline int wl1271_tx_get_queue(int queue) -{ - switch (queue) { - case 0: - return CONF_TX_AC_VO; - case 1: - return CONF_TX_AC_VI; - case 2: - return CONF_TX_AC_BE; - case 3: - return CONF_TX_AC_BK; - default: - return CONF_TX_AC_BE; - } -} - -static inline int wl1271_tx_get_mac80211_queue(int queue) -{ - switch (queue) { - case CONF_TX_AC_VO: - return 0; - case CONF_TX_AC_VI: - return 1; - case CONF_TX_AC_BE: - return 2; - case CONF_TX_AC_BK: - return 3; - default: - return 2; - } -} - -static inline int wl1271_tx_total_queue_count(struct wl1271 *wl) -{ - int i, count = 0; - - for (i = 0; i < NUM_TX_QUEUES; i++) - count += wl->tx_queue_count[i]; - - return count; -} - -void wl1271_tx_work(struct work_struct *work); -void wl1271_tx_work_locked(struct wl1271 *wl); -void wl1271_tx_complete(struct wl1271 *wl); -void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues); -void wl1271_tx_flush(struct wl1271 *wl); -u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); -u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, - enum ieee80211_band rate_band); -u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set); -u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, - struct sk_buff *skb); -u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif, - struct sk_buff *skb); -void wl1271_tx_reset_link_queues(struct wl1271 *wl, u8 hlid); -void wl1271_handle_tx_low_watermark(struct wl1271 *wl); -bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb); -void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids); - -/* from main.c */ -void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); -void wl12xx_rearm_tx_watchdog_locked(struct wl1271 *wl); - -#endif |