Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 1 | /* |
Sujith | cee075a | 2009-03-13 09:07:23 +0530 | [diff] [blame] | 2 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ATH9K_H |
| 18 | #define ATH9K_H |
| 19 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 20 | #include <linux/etherdevice.h> |
| 21 | #include <linux/device.h> |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 22 | #include <linux/leds.h> |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 23 | #include <linux/completion.h> |
Gabor Juhos | 98c316e | 2010-11-25 18:26:07 +0100 | [diff] [blame] | 24 | #include <linux/pm_qos_params.h> |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 25 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 26 | #include "debug.h" |
Luis R. Rodriguez | db86f07 | 2009-11-05 08:44:39 -0800 | [diff] [blame] | 27 | #include "common.h" |
| 28 | |
| 29 | /* |
| 30 | * Header for the ath9k.ko driver core *only* -- hw code nor any other driver |
| 31 | * should rely on this file or its contents. |
| 32 | */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 33 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 34 | struct ath_node; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 35 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 36 | /* Macro to expand scalars to 64-bit objects */ |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 37 | |
Ming Lei | 13bda12 | 2009-12-29 22:57:28 +0800 | [diff] [blame] | 38 | #define ito64(x) (sizeof(x) == 1) ? \ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 39 | (((unsigned long long int)(x)) & (0xff)) : \ |
Ming Lei | 13bda12 | 2009-12-29 22:57:28 +0800 | [diff] [blame] | 40 | (sizeof(x) == 2) ? \ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 41 | (((unsigned long long int)(x)) & 0xffff) : \ |
Ming Lei | 13bda12 | 2009-12-29 22:57:28 +0800 | [diff] [blame] | 42 | ((sizeof(x) == 4) ? \ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 43 | (((unsigned long long int)(x)) & 0xffffffff) : \ |
| 44 | (unsigned long long int)(x)) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 45 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 46 | /* increment with wrap-around */ |
| 47 | #define INCR(_l, _sz) do { \ |
| 48 | (_l)++; \ |
| 49 | (_l) &= ((_sz) - 1); \ |
| 50 | } while (0) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 51 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 52 | /* decrement with wrap-around */ |
| 53 | #define DECR(_l, _sz) do { \ |
| 54 | (_l)--; \ |
| 55 | (_l) &= ((_sz) - 1); \ |
| 56 | } while (0) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 57 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 58 | #define A_MAX(a, b) ((a) > (b) ? (a) : (b)) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 59 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 60 | #define TSF_TO_TU(_h,_l) \ |
| 61 | ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) |
| 62 | |
| 63 | #define ATH_TXQ_SETUP(sc, i) ((sc)->tx.txqsetup & (1<<i)) |
| 64 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 65 | struct ath_config { |
| 66 | u32 ath_aggr_prot; |
| 67 | u16 txpowlimit; |
| 68 | u8 cabqReadytime; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 69 | }; |
| 70 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 71 | /*************************/ |
| 72 | /* Descriptor Management */ |
| 73 | /*************************/ |
| 74 | |
| 75 | #define ATH_TXBUF_RESET(_bf) do { \ |
Sujith | a119cc4 | 2009-03-30 15:28:38 +0530 | [diff] [blame] | 76 | (_bf)->bf_stale = false; \ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 77 | (_bf)->bf_lastbf = NULL; \ |
| 78 | (_bf)->bf_next = NULL; \ |
| 79 | memset(&((_bf)->bf_state), 0, \ |
| 80 | sizeof(struct ath_buf_state)); \ |
| 81 | } while (0) |
| 82 | |
Sujith | a119cc4 | 2009-03-30 15:28:38 +0530 | [diff] [blame] | 83 | #define ATH_RXBUF_RESET(_bf) do { \ |
| 84 | (_bf)->bf_stale = false; \ |
| 85 | } while (0) |
| 86 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 87 | /** |
| 88 | * enum buffer_type - Buffer type flags |
| 89 | * |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 90 | * @BUF_AMPDU: This buffer is an ampdu, as part of an aggregate (during TX) |
| 91 | * @BUF_AGGR: Indicates whether the buffer can be aggregated |
| 92 | * (used in aggregation scheduling) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 93 | * @BUF_XRETRY: To denote excessive retries of the buffer |
| 94 | */ |
| 95 | enum buffer_type { |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 96 | BUF_AMPDU = BIT(2), |
| 97 | BUF_AGGR = BIT(3), |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 98 | BUF_XRETRY = BIT(5), |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 101 | #define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU) |
| 102 | #define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 103 | #define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY) |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 104 | |
Vasanthakumar Thiagarajan | 5088c2f | 2010-04-15 17:39:34 -0400 | [diff] [blame] | 105 | #define ATH_TXSTATUS_RING_SIZE 64 |
| 106 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 107 | struct ath_descdma { |
Vasanthakumar Thiagarajan | 5088c2f | 2010-04-15 17:39:34 -0400 | [diff] [blame] | 108 | void *dd_desc; |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 109 | dma_addr_t dd_desc_paddr; |
| 110 | u32 dd_desc_len; |
| 111 | struct ath_buf *dd_bufptr; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 112 | }; |
| 113 | |
| 114 | int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd, |
| 115 | struct list_head *head, const char *name, |
Vasanthakumar Thiagarajan | 4adfcde | 2010-04-15 17:39:33 -0400 | [diff] [blame] | 116 | int nbuf, int ndesc, bool is_tx); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 117 | void ath_descdma_cleanup(struct ath_softc *sc, struct ath_descdma *dd, |
| 118 | struct list_head *head); |
| 119 | |
| 120 | /***********/ |
| 121 | /* RX / TX */ |
| 122 | /***********/ |
| 123 | |
| 124 | #define ATH_MAX_ANTENNA 3 |
| 125 | #define ATH_RXBUF 512 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 126 | #define ATH_TXBUF 512 |
Felix Fietkau | 84642d6 | 2010-06-01 21:33:13 +0200 | [diff] [blame] | 127 | #define ATH_TXBUF_RESERVE 5 |
| 128 | #define ATH_MAX_QDEPTH (ATH_TXBUF / 4 - ATH_TXBUF_RESERVE) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 129 | #define ATH_TXMAXTRY 13 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 130 | #define ATH_MGT_TXMAXTRY 4 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 131 | |
| 132 | #define TID_TO_WME_AC(_tid) \ |
| 133 | ((((_tid) == 0) || ((_tid) == 3)) ? WME_AC_BE : \ |
| 134 | (((_tid) == 1) || ((_tid) == 2)) ? WME_AC_BK : \ |
| 135 | (((_tid) == 4) || ((_tid) == 5)) ? WME_AC_VI : \ |
| 136 | WME_AC_VO) |
| 137 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 138 | #define ADDBA_EXCHANGE_ATTEMPTS 10 |
| 139 | #define ATH_AGGR_DELIM_SZ 4 |
| 140 | #define ATH_AGGR_MINPLEN 256 /* in bytes, minimum packet length */ |
| 141 | /* number of delimiters for encryption padding */ |
| 142 | #define ATH_AGGR_ENCRYPTDELIM 10 |
| 143 | /* minimum h/w qdepth to be sustained to maximize aggregation */ |
| 144 | #define ATH_AGGR_MIN_QDEPTH 2 |
| 145 | #define ATH_AMPDU_SUBFRAME_DEFAULT 32 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 146 | |
| 147 | #define IEEE80211_SEQ_SEQ_SHIFT 4 |
| 148 | #define IEEE80211_SEQ_MAX 4096 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 149 | #define IEEE80211_WEP_IVLEN 3 |
| 150 | #define IEEE80211_WEP_KIDLEN 1 |
| 151 | #define IEEE80211_WEP_CRCLEN 4 |
| 152 | #define IEEE80211_MAX_MPDU_LEN (3840 + FCS_LEN + \ |
| 153 | (IEEE80211_WEP_IVLEN + \ |
| 154 | IEEE80211_WEP_KIDLEN + \ |
| 155 | IEEE80211_WEP_CRCLEN)) |
| 156 | |
| 157 | /* return whether a bit at index _n in bitmap _bm is set |
| 158 | * _sz is the size of the bitmap */ |
| 159 | #define ATH_BA_ISSET(_bm, _n) (((_n) < (WME_BA_BMP_SIZE)) && \ |
| 160 | ((_bm)[(_n) >> 5] & (1 << ((_n) & 31)))) |
| 161 | |
| 162 | /* return block-ack bitmap index given sequence and starting sequence */ |
| 163 | #define ATH_BA_INDEX(_st, _seq) (((_seq) - (_st)) & (IEEE80211_SEQ_MAX - 1)) |
| 164 | |
| 165 | /* returns delimiter padding required given the packet length */ |
| 166 | #define ATH_AGGR_GET_NDELIM(_len) \ |
Vasanthakumar Thiagarajan | 39ec299 | 2010-11-10 05:03:15 -0800 | [diff] [blame] | 167 | (((_len) >= ATH_AGGR_MINPLEN) ? 0 : \ |
| 168 | DIV_ROUND_UP(ATH_AGGR_MINPLEN - (_len), ATH_AGGR_DELIM_SZ)) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 169 | |
| 170 | #define BAW_WITHIN(_start, _bawsz, _seqno) \ |
| 171 | ((((_seqno) - (_start)) & 4095) < (_bawsz)) |
| 172 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 173 | #define ATH_AN_2_TID(_an, _tidno) (&(_an)->tid[(_tidno)]) |
| 174 | |
Senthil Balasubramanian | 164ace3 | 2009-07-14 20:17:09 -0400 | [diff] [blame] | 175 | #define ATH_TX_COMPLETE_POLL_INT 1000 |
| 176 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 177 | enum ATH_AGGR_STATUS { |
| 178 | ATH_AGGR_DONE, |
| 179 | ATH_AGGR_BAW_CLOSED, |
| 180 | ATH_AGGR_LIMITED, |
| 181 | }; |
| 182 | |
Vasanthakumar Thiagarajan | e500324 | 2010-04-15 17:39:36 -0400 | [diff] [blame] | 183 | #define ATH_TXFIFO_DEPTH 8 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 184 | struct ath_txq { |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 185 | u32 axq_qnum; |
| 186 | u32 *axq_link; |
| 187 | struct list_head axq_q; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 188 | spinlock_t axq_lock; |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 189 | u32 axq_depth; |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 190 | bool stopped; |
Senthil Balasubramanian | 164ace3 | 2009-07-14 20:17:09 -0400 | [diff] [blame] | 191 | bool axq_tx_inprogress; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 192 | struct list_head axq_acq; |
Vasanthakumar Thiagarajan | e500324 | 2010-04-15 17:39:36 -0400 | [diff] [blame] | 193 | struct list_head txq_fifo[ATH_TXFIFO_DEPTH]; |
| 194 | struct list_head txq_fifo_pending; |
| 195 | u8 txq_headidx; |
| 196 | u8 txq_tailidx; |
Felix Fietkau | 066dae9 | 2010-11-07 14:59:39 +0100 | [diff] [blame] | 197 | int pending_frames; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 198 | }; |
| 199 | |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 200 | struct ath_atx_ac { |
Felix Fietkau | 066dae9 | 2010-11-07 14:59:39 +0100 | [diff] [blame] | 201 | struct ath_txq *txq; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 202 | int sched; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 203 | struct list_head list; |
| 204 | struct list_head tid_q; |
| 205 | }; |
| 206 | |
Felix Fietkau | 2d42efc | 2010-11-14 15:20:13 +0100 | [diff] [blame] | 207 | struct ath_frame_info { |
| 208 | int framelen; |
| 209 | u32 keyix; |
| 210 | enum ath9k_key_type keytype; |
| 211 | u8 retries; |
| 212 | u16 seqno; |
| 213 | }; |
| 214 | |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 215 | struct ath_buf_state { |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 216 | u8 bf_type; |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 217 | u8 bfs_paprd; |
Felix Fietkau | 61117f0 | 2010-11-11 03:18:36 +0100 | [diff] [blame] | 218 | enum ath9k_internal_frame_type bfs_ftype; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 219 | }; |
| 220 | |
| 221 | struct ath_buf { |
| 222 | struct list_head list; |
| 223 | struct ath_buf *bf_lastbf; /* last buf of this unit (a frame or |
| 224 | an aggregate) */ |
| 225 | struct ath_buf *bf_next; /* next subframe in the aggregate */ |
| 226 | struct sk_buff *bf_mpdu; /* enclosing frame structure */ |
| 227 | void *bf_desc; /* virtual addr of desc */ |
| 228 | dma_addr_t bf_daddr; /* physical addr of desc */ |
Ben Greear | c1739eb3 | 2010-10-14 12:45:29 -0700 | [diff] [blame] | 229 | dma_addr_t bf_buf_addr; /* physical addr of data buffer, for DMA */ |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 230 | bool bf_stale; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 231 | u16 bf_flags; |
| 232 | struct ath_buf_state bf_state; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 233 | struct ath_wiphy *aphy; |
| 234 | }; |
| 235 | |
| 236 | struct ath_atx_tid { |
| 237 | struct list_head list; |
| 238 | struct list_head buf_q; |
| 239 | struct ath_node *an; |
| 240 | struct ath_atx_ac *ac; |
Felix Fietkau | 81ee13b | 2010-09-20 13:45:36 +0200 | [diff] [blame] | 241 | unsigned long tx_buf[BITS_TO_LONGS(ATH_TID_MAX_BUFS)]; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 242 | u16 seq_start; |
| 243 | u16 seq_next; |
| 244 | u16 baw_size; |
| 245 | int tidno; |
| 246 | int baw_head; /* first un-acked tx buffer */ |
| 247 | int baw_tail; /* next unused tx buffer slot */ |
| 248 | int sched; |
| 249 | int paused; |
| 250 | u8 state; |
| 251 | }; |
| 252 | |
| 253 | struct ath_node { |
| 254 | struct ath_common *common; |
| 255 | struct ath_atx_tid tid[WME_NUM_TID]; |
| 256 | struct ath_atx_ac ac[WME_NUM_AC]; |
| 257 | u16 maxampdu; |
| 258 | u8 mpdudensity; |
Sujith | 93ef24b | 2010-05-20 15:34:40 +0530 | [diff] [blame] | 259 | }; |
| 260 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 261 | #define AGGR_CLEANUP BIT(1) |
| 262 | #define AGGR_ADDBA_COMPLETE BIT(2) |
| 263 | #define AGGR_ADDBA_PROGRESS BIT(3) |
| 264 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 265 | struct ath_tx_control { |
| 266 | struct ath_txq *txq; |
Felix Fietkau | 2d42efc | 2010-11-14 15:20:13 +0100 | [diff] [blame] | 267 | struct ath_node *an; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 268 | int if_id; |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 269 | enum ath9k_internal_frame_type frame_type; |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 270 | u8 paprd; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 271 | }; |
| 272 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 273 | #define ATH_TX_ERROR 0x01 |
| 274 | #define ATH_TX_XRETRY 0x02 |
| 275 | #define ATH_TX_BAR 0x04 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 276 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 277 | struct ath_tx { |
| 278 | u16 seq_no; |
| 279 | u32 txqsetup; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 280 | spinlock_t txbuflock; |
| 281 | struct list_head txbuf; |
| 282 | struct ath_txq txq[ATH9K_NUM_TX_QUEUES]; |
| 283 | struct ath_descdma txdma; |
Felix Fietkau | 066dae9 | 2010-11-07 14:59:39 +0100 | [diff] [blame] | 284 | struct ath_txq *txq_map[WME_NUM_AC]; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 285 | }; |
| 286 | |
Felix Fietkau | b5c80475 | 2010-04-15 17:38:48 -0400 | [diff] [blame] | 287 | struct ath_rx_edma { |
| 288 | struct sk_buff_head rx_fifo; |
| 289 | struct sk_buff_head rx_buffers; |
| 290 | u32 rx_fifo_hwsize; |
| 291 | }; |
| 292 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 293 | struct ath_rx { |
| 294 | u8 defant; |
| 295 | u8 rxotherant; |
| 296 | u32 *rxlink; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 297 | unsigned int rxfilter; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 298 | spinlock_t rxbuflock; |
| 299 | struct list_head rxbuf; |
| 300 | struct ath_descdma rxdma; |
Felix Fietkau | b5c80475 | 2010-04-15 17:38:48 -0400 | [diff] [blame] | 301 | struct ath_buf *rx_bufptr; |
| 302 | struct ath_rx_edma rx_edma[ATH9K_RX_QUEUE_MAX]; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 303 | }; |
| 304 | |
| 305 | int ath_startrecv(struct ath_softc *sc); |
| 306 | bool ath_stoprecv(struct ath_softc *sc); |
| 307 | void ath_flushrecv(struct ath_softc *sc); |
| 308 | u32 ath_calcrxfilter(struct ath_softc *sc); |
| 309 | int ath_rx_init(struct ath_softc *sc, int nbufs); |
| 310 | void ath_rx_cleanup(struct ath_softc *sc); |
Felix Fietkau | b5c80475 | 2010-04-15 17:38:48 -0400 | [diff] [blame] | 311 | int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 312 | struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); |
| 313 | void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 314 | void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx); |
| 315 | void ath_draintxq(struct ath_softc *sc, |
| 316 | struct ath_txq *txq, bool retry_tx); |
| 317 | void ath_tx_node_init(struct ath_softc *sc, struct ath_node *an); |
| 318 | void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an); |
| 319 | void ath_txq_schedule(struct ath_softc *sc, struct ath_txq *txq); |
| 320 | int ath_tx_init(struct ath_softc *sc, int nbufs); |
Sujith | 797fe5cb | 2009-03-30 15:28:45 +0530 | [diff] [blame] | 321 | void ath_tx_cleanup(struct ath_softc *sc); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 322 | int ath_txq_update(struct ath_softc *sc, int qnum, |
| 323 | struct ath9k_tx_queue_info *q); |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 324 | int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 325 | struct ath_tx_control *txctl); |
| 326 | void ath_tx_tasklet(struct ath_softc *sc); |
Vasanthakumar Thiagarajan | e500324 | 2010-04-15 17:39:36 -0400 | [diff] [blame] | 327 | void ath_tx_edma_tasklet(struct ath_softc *sc); |
Felix Fietkau | 231c3a1 | 2010-09-20 19:35:28 +0200 | [diff] [blame] | 328 | int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, |
| 329 | u16 tid, u16 *ssn); |
Sujith | f83da96 | 2009-07-23 15:32:37 +0530 | [diff] [blame] | 330 | void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 331 | void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); |
| 332 | |
| 333 | /********/ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 334 | /* VIFs */ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 335 | /********/ |
| 336 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 337 | struct ath_vif { |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 338 | int av_bslot; |
Jouni Malinen | 4ed96f0 | 2009-03-12 21:53:23 +0200 | [diff] [blame] | 339 | __le64 tsf_adjust; /* TSF adjustment for staggered beacons */ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 340 | enum nl80211_iftype av_opmode; |
| 341 | struct ath_buf *av_bcbuf; |
| 342 | struct ath_tx_control av_btxctl; |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 343 | u8 bssid[ETH_ALEN]; /* current BSSID from config_interface */ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 344 | }; |
| 345 | |
| 346 | /*******************/ |
| 347 | /* Beacon Handling */ |
| 348 | /*******************/ |
| 349 | |
| 350 | /* |
| 351 | * Regardless of the number of beacons we stagger, (i.e. regardless of the |
| 352 | * number of BSSIDs) if a given beacon does not go out even after waiting this |
| 353 | * number of beacon intervals, the game's up. |
| 354 | */ |
| 355 | #define BSTUCK_THRESH (9 * ATH_BCBUF) |
Jouni Malinen | 4ed96f0 | 2009-03-12 21:53:23 +0200 | [diff] [blame] | 356 | #define ATH_BCBUF 4 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 357 | #define ATH_DEFAULT_BINTVAL 100 /* TU */ |
| 358 | #define ATH_DEFAULT_BMISS_LIMIT 10 |
| 359 | #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) |
| 360 | |
| 361 | struct ath_beacon_config { |
| 362 | u16 beacon_interval; |
| 363 | u16 listen_interval; |
| 364 | u16 dtim_period; |
| 365 | u16 bmiss_timeout; |
| 366 | u8 dtim_count; |
Sujith | 86b89ee | 2008-08-07 10:54:57 +0530 | [diff] [blame] | 367 | }; |
| 368 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 369 | struct ath_beacon { |
| 370 | enum { |
| 371 | OK, /* no change needed */ |
| 372 | UPDATE, /* update pending */ |
| 373 | COMMIT /* beacon sent, commit change */ |
| 374 | } updateslot; /* slot time update fsm */ |
| 375 | |
| 376 | u32 beaconq; |
| 377 | u32 bmisscnt; |
| 378 | u32 ast_be_xmit; |
| 379 | u64 bc_tstamp; |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 380 | struct ieee80211_vif *bslot[ATH_BCBUF]; |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 381 | struct ath_wiphy *bslot_aphy[ATH_BCBUF]; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 382 | int slottime; |
| 383 | int slotupdate; |
| 384 | struct ath9k_tx_queue_info beacon_qi; |
| 385 | struct ath_descdma bdma; |
| 386 | struct ath_txq *cabq; |
| 387 | struct list_head bbuf; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 388 | }; |
| 389 | |
Sujith | 9fc9ab0 | 2009-03-03 10:16:51 +0530 | [diff] [blame] | 390 | void ath_beacon_tasklet(unsigned long data); |
Jouni Malinen | 2c3db3d | 2009-03-03 19:23:26 +0200 | [diff] [blame] | 391 | void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif); |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 392 | int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif); |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 393 | void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp); |
Vivek Natarajan | 94db293 | 2009-11-25 12:01:54 +0530 | [diff] [blame] | 394 | int ath_beaconq_config(struct ath_softc *sc); |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 395 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 396 | /*******/ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 397 | /* ANI */ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 398 | /*******/ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 399 | |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 400 | #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ |
| 401 | #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ |
Luis R. Rodriguez | e36b27a | 2010-06-12 00:33:45 -0400 | [diff] [blame] | 402 | #define ATH_ANI_POLLINTERVAL_OLD 100 /* 100 ms */ |
| 403 | #define ATH_ANI_POLLINTERVAL_NEW 1000 /* 1000 ms */ |
Felix Fietkau | 6044474 | 2010-08-02 15:53:15 +0200 | [diff] [blame] | 404 | #define ATH_LONG_CALINTERVAL_INT 1000 /* 1000 ms */ |
Sujith | 20977d3 | 2009-02-20 15:13:28 +0530 | [diff] [blame] | 405 | #define ATH_LONG_CALINTERVAL 30000 /* 30 seconds */ |
| 406 | #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 407 | |
Vasanthakumar Thiagarajan | ca369eb | 2010-06-24 02:42:44 -0700 | [diff] [blame] | 408 | #define ATH_PAPRD_TIMEOUT 100 /* msecs */ |
| 409 | |
Felix Fietkau | 347809f | 2010-07-02 00:09:52 +0200 | [diff] [blame] | 410 | void ath_hw_check(struct work_struct *work); |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 411 | void ath_paprd_calibrate(struct work_struct *work); |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 412 | void ath_ani_calibrate(unsigned long data); |
| 413 | |
Sujith | 0fca65c | 2010-01-08 10:36:00 +0530 | [diff] [blame] | 414 | /**********/ |
| 415 | /* BTCOEX */ |
| 416 | /**********/ |
| 417 | |
Luis R. Rodriguez | 2e20250 | 2009-09-09 01:18:09 -0700 | [diff] [blame] | 418 | struct ath_btcoex { |
| 419 | bool hw_timer_enabled; |
| 420 | spinlock_t btcoex_lock; |
| 421 | struct timer_list period_timer; /* Timer for BT period */ |
| 422 | u32 bt_priority_cnt; |
| 423 | unsigned long bt_priority_time; |
Luis R. Rodriguez | e08a6ac | 2009-09-09 14:26:15 -0700 | [diff] [blame] | 424 | int bt_stomp_type; /* Types of BT stomping */ |
Luis R. Rodriguez | 2e20250 | 2009-09-09 01:18:09 -0700 | [diff] [blame] | 425 | u32 btcoex_no_stomp; /* in usec */ |
| 426 | u32 btcoex_period; /* in usec */ |
Vasanthakumar Thiagarajan | 58da131 | 2010-01-21 11:17:27 +0530 | [diff] [blame] | 427 | u32 btscan_no_stomp; /* in usec */ |
Luis R. Rodriguez | 75d7839 | 2009-09-09 04:00:10 -0700 | [diff] [blame] | 428 | struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ |
Luis R. Rodriguez | 2e20250 | 2009-09-09 01:18:09 -0700 | [diff] [blame] | 429 | }; |
| 430 | |
Sujith | 0fca65c | 2010-01-08 10:36:00 +0530 | [diff] [blame] | 431 | int ath_init_btcoex_timer(struct ath_softc *sc); |
| 432 | void ath9k_btcoex_timer_resume(struct ath_softc *sc); |
| 433 | void ath9k_btcoex_timer_pause(struct ath_softc *sc); |
| 434 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 435 | /********************/ |
| 436 | /* LED Control */ |
| 437 | /********************/ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 438 | |
Vivek Natarajan | 08fc5c1 | 2009-08-14 11:30:52 +0530 | [diff] [blame] | 439 | #define ATH_LED_PIN_DEF 1 |
| 440 | #define ATH_LED_PIN_9287 8 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 441 | #define ATH_LED_ON_DURATION_IDLE 350 /* in msecs */ |
| 442 | #define ATH_LED_OFF_DURATION_IDLE 250 /* in msecs */ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 443 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 444 | enum ath_led_type { |
| 445 | ATH_LED_RADIO, |
| 446 | ATH_LED_ASSOC, |
| 447 | ATH_LED_TX, |
| 448 | ATH_LED_RX |
| 449 | }; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 450 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 451 | struct ath_led { |
| 452 | struct ath_softc *sc; |
| 453 | struct led_classdev led_cdev; |
| 454 | enum ath_led_type led_type; |
| 455 | char name[32]; |
| 456 | bool registered; |
| 457 | }; |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 458 | |
Sujith | 0fca65c | 2010-01-08 10:36:00 +0530 | [diff] [blame] | 459 | void ath_init_leds(struct ath_softc *sc); |
| 460 | void ath_deinit_leds(struct ath_softc *sc); |
| 461 | |
Vasanthakumar Thiagarajan | 102885a | 2010-09-02 01:34:43 -0700 | [diff] [blame] | 462 | /* Antenna diversity/combining */ |
| 463 | #define ATH_ANT_RX_CURRENT_SHIFT 4 |
| 464 | #define ATH_ANT_RX_MAIN_SHIFT 2 |
| 465 | #define ATH_ANT_RX_MASK 0x3 |
| 466 | |
| 467 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_INTR 50 |
| 468 | #define ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT 0x100 |
| 469 | #define ATH_ANT_DIV_COMB_MAX_PKTCOUNT 0x200 |
| 470 | #define ATH_ANT_DIV_COMB_INIT_COUNT 95 |
| 471 | #define ATH_ANT_DIV_COMB_MAX_COUNT 100 |
| 472 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO 30 |
| 473 | #define ATH_ANT_DIV_COMB_ALT_ANT_RATIO2 20 |
| 474 | |
| 475 | #define ATH_ANT_DIV_COMB_LNA1_LNA2_DELTA -3 |
| 476 | #define ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA -1 |
| 477 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_HI -4 |
| 478 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_MID -2 |
| 479 | #define ATH_ANT_DIV_COMB_LNA1_DELTA_LOW 2 |
| 480 | |
| 481 | enum ath9k_ant_div_comb_lna_conf { |
| 482 | ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2, |
| 483 | ATH_ANT_DIV_COMB_LNA2, |
| 484 | ATH_ANT_DIV_COMB_LNA1, |
| 485 | ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2, |
| 486 | }; |
| 487 | |
| 488 | struct ath_ant_comb { |
| 489 | u16 count; |
| 490 | u16 total_pkt_count; |
| 491 | bool scan; |
| 492 | bool scan_not_start; |
| 493 | int main_total_rssi; |
| 494 | int alt_total_rssi; |
| 495 | int alt_recv_cnt; |
| 496 | int main_recv_cnt; |
| 497 | int rssi_lna1; |
| 498 | int rssi_lna2; |
| 499 | int rssi_add; |
| 500 | int rssi_sub; |
| 501 | int rssi_first; |
| 502 | int rssi_second; |
| 503 | int rssi_third; |
| 504 | bool alt_good; |
| 505 | int quick_scan_cnt; |
| 506 | int main_conf; |
| 507 | enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf; |
| 508 | enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf; |
| 509 | int first_bias; |
| 510 | int second_bias; |
| 511 | bool first_ratio; |
| 512 | bool second_ratio; |
| 513 | unsigned long scan_start_time; |
| 514 | }; |
| 515 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 516 | /********************/ |
| 517 | /* Main driver core */ |
| 518 | /********************/ |
Sujith | f1dc560 | 2008-10-29 10:16:30 +0530 | [diff] [blame] | 519 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 520 | /* |
| 521 | * Default cache line size, in bytes. |
| 522 | * Used when PCI device not fully initialized by bootrom/BIOS |
| 523 | */ |
| 524 | #define DEFAULT_CACHELINE 32 |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 525 | #define ATH_REGCLASSIDS_MAX 10 |
| 526 | #define ATH_CABQ_READY_TIME 80 /* % of beacon interval */ |
| 527 | #define ATH_MAX_SW_RETRIES 10 |
| 528 | #define ATH_CHAN_MAX 255 |
| 529 | #define IEEE80211_WEP_NKID 4 /* number of key ids */ |
| 530 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 531 | #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 532 | #define ATH_RATE_DUMMY_MARKER 0 |
| 533 | |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 534 | #define SC_OP_INVALID BIT(0) |
| 535 | #define SC_OP_BEACONS BIT(1) |
| 536 | #define SC_OP_RXAGGR BIT(2) |
| 537 | #define SC_OP_TXAGGR BIT(3) |
Felix Fietkau | 5ee0865 | 2010-07-31 00:11:59 +0200 | [diff] [blame] | 538 | #define SC_OP_OFFCHANNEL BIT(4) |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 539 | #define SC_OP_PREAMBLE_SHORT BIT(5) |
| 540 | #define SC_OP_PROTECT_ENABLE BIT(6) |
| 541 | #define SC_OP_RXFLUSH BIT(7) |
| 542 | #define SC_OP_LED_ASSOCIATED BIT(8) |
| 543 | #define SC_OP_LED_ON BIT(9) |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 544 | #define SC_OP_TSF_RESET BIT(11) |
| 545 | #define SC_OP_BT_PRIORITY_DETECTED BIT(12) |
Vasanthakumar Thiagarajan | 58da131 | 2010-01-21 11:17:27 +0530 | [diff] [blame] | 546 | #define SC_OP_BT_SCAN BIT(13) |
Vasanthakumar Thiagarajan | 6c3118e | 2010-06-23 06:49:21 -0700 | [diff] [blame] | 547 | #define SC_OP_ANI_RUN BIT(14) |
Mohammed Shafi Shajakhan | ea066d5 | 2010-11-23 20:42:27 +0530 | [diff] [blame] | 548 | #define SC_OP_ENABLE_APM BIT(15) |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 549 | |
| 550 | /* Powersave flags */ |
| 551 | #define PS_WAIT_FOR_BEACON BIT(0) |
| 552 | #define PS_WAIT_FOR_CAB BIT(1) |
| 553 | #define PS_WAIT_FOR_PSPOLL_DATA BIT(2) |
| 554 | #define PS_WAIT_FOR_TX_ACK BIT(3) |
| 555 | #define PS_BEACON_SYNC BIT(4) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 556 | |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 557 | struct ath_wiphy; |
Felix Fietkau | 545750d | 2009-11-23 22:21:01 +0100 | [diff] [blame] | 558 | struct ath_rate_table; |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 559 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 560 | struct ath_softc { |
| 561 | struct ieee80211_hw *hw; |
| 562 | struct device *dev; |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 563 | |
| 564 | spinlock_t wiphy_lock; /* spinlock to protect ath_wiphy data */ |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 565 | struct ath_wiphy *pri_wiphy; |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 566 | struct ath_wiphy **sec_wiphy; /* secondary wiphys (virtual radios); may |
| 567 | * have NULL entries */ |
| 568 | int num_sec_wiphy; /* number of sec_wiphy pointers in the array */ |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 569 | int chan_idx; |
| 570 | int chan_is_ht; |
| 571 | struct ath_wiphy *next_wiphy; |
| 572 | struct work_struct chan_work; |
Jouni Malinen | 7ec3e51 | 2009-03-03 19:23:37 +0200 | [diff] [blame] | 573 | int wiphy_select_failures; |
| 574 | unsigned long wiphy_select_first_fail; |
Jouni Malinen | f98c3bd | 2009-03-03 19:23:39 +0200 | [diff] [blame] | 575 | struct delayed_work wiphy_work; |
| 576 | unsigned long wiphy_scheduler_int; |
| 577 | int wiphy_scheduler_index; |
Felix Fietkau | 3430098 | 2010-10-10 18:21:52 +0200 | [diff] [blame] | 578 | struct survey_info *cur_survey; |
| 579 | struct survey_info survey[ATH9K_NUM_CHANNELS]; |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 580 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 581 | struct tasklet_struct intr_tq; |
| 582 | struct tasklet_struct bcon_tasklet; |
Sujith | cbe61d8 | 2009-02-09 13:27:12 +0530 | [diff] [blame] | 583 | struct ath_hw *sc_ah; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 584 | void __iomem *mem; |
| 585 | int irq; |
David S. Miller | 2d6a5e9 | 2009-03-17 15:01:30 -0700 | [diff] [blame] | 586 | spinlock_t sc_serial_rw; |
Gabor Juhos | 04717cc | 2009-07-14 20:17:13 -0400 | [diff] [blame] | 587 | spinlock_t sc_pm_lock; |
Luis R. Rodriguez | 4bdd1e9 | 2010-10-26 15:27:24 -0700 | [diff] [blame] | 588 | spinlock_t sc_pcu_lock; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 589 | struct mutex mutex; |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 590 | struct work_struct paprd_work; |
Felix Fietkau | 347809f | 2010-07-02 00:09:52 +0200 | [diff] [blame] | 591 | struct work_struct hw_check_work; |
Felix Fietkau | 9f42c2b | 2010-06-12 00:34:01 -0400 | [diff] [blame] | 592 | struct completion paprd_complete; |
Felix Fietkau | 82259b7 | 2010-11-14 15:20:04 +0100 | [diff] [blame] | 593 | bool paprd_pending; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 594 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 595 | u32 intrstatus; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 596 | u32 sc_flags; /* SC_OP_* */ |
Sujith | 1b04b93 | 2010-01-08 10:36:05 +0530 | [diff] [blame] | 597 | u16 ps_flags; /* PS_* */ |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 598 | u16 curtxpow; |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 599 | u8 nbcnvifs; |
| 600 | u16 nvifs; |
Gabor Juhos | 9614832 | 2009-07-24 17:27:21 +0200 | [diff] [blame] | 601 | bool ps_enabled; |
Vivek Natarajan | 1dbfd9d | 2010-01-29 16:56:51 +0530 | [diff] [blame] | 602 | bool ps_idle; |
Gabor Juhos | 709ade9 | 2009-07-14 20:17:15 -0400 | [diff] [blame] | 603 | unsigned long ps_usecount; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 604 | |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 605 | struct ath_config config; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 606 | struct ath_rx rx; |
| 607 | struct ath_tx tx; |
| 608 | struct ath_beacon beacon; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 609 | struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS]; |
| 610 | |
| 611 | struct ath_led radio_led; |
| 612 | struct ath_led assoc_led; |
| 613 | struct ath_led tx_led; |
| 614 | struct ath_led rx_led; |
| 615 | struct delayed_work ath_led_blink_work; |
| 616 | int led_on_duration; |
| 617 | int led_off_duration; |
| 618 | int led_on_cnt; |
| 619 | int led_off_cnt; |
| 620 | |
Johannes Berg | 57c4d7b | 2009-04-23 16:10:04 +0200 | [diff] [blame] | 621 | int beacon_interval; |
| 622 | |
Felix Fietkau | a830df0 | 2009-11-23 22:33:27 +0100 | [diff] [blame] | 623 | #ifdef CONFIG_ATH9K_DEBUGFS |
Sujith | 17d7904 | 2009-02-09 13:27:03 +0530 | [diff] [blame] | 624 | struct ath9k_debug debug; |
Luis R. Rodriguez | f078f20 | 2008-08-04 00:16:41 -0700 | [diff] [blame] | 625 | #endif |
Vasanthakumar Thiagarajan | 6b96f93 | 2009-05-15 18:59:22 +0530 | [diff] [blame] | 626 | struct ath_beacon_config cur_beacon_conf; |
Senthil Balasubramanian | 164ace3 | 2009-07-14 20:17:09 -0400 | [diff] [blame] | 627 | struct delayed_work tx_complete_work; |
Luis R. Rodriguez | 2e20250 | 2009-09-09 01:18:09 -0700 | [diff] [blame] | 628 | struct ath_btcoex btcoex; |
Vasanthakumar Thiagarajan | 5088c2f | 2010-04-15 17:39:34 -0400 | [diff] [blame] | 629 | |
| 630 | struct ath_descdma txsdma; |
Vasanthakumar Thiagarajan | 102885a | 2010-09-02 01:34:43 -0700 | [diff] [blame] | 631 | |
| 632 | struct ath_ant_comb ant_comb; |
Gabor Juhos | 98c316e | 2010-11-25 18:26:07 +0100 | [diff] [blame] | 633 | |
| 634 | struct pm_qos_request_list pm_qos_req; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 635 | }; |
| 636 | |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 637 | struct ath_wiphy { |
| 638 | struct ath_softc *sc; /* shared for all virtual wiphys */ |
| 639 | struct ieee80211_hw *hw; |
Felix Fietkau | 20bd2a0 | 2010-07-31 00:12:00 +0200 | [diff] [blame] | 640 | struct ath9k_hw_cal_data caldata; |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 641 | enum ath_wiphy_state { |
Jouni Malinen | 9580a22 | 2009-03-03 19:23:33 +0200 | [diff] [blame] | 642 | ATH_WIPHY_INACTIVE, |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 643 | ATH_WIPHY_ACTIVE, |
| 644 | ATH_WIPHY_PAUSING, |
| 645 | ATH_WIPHY_PAUSED, |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 646 | ATH_WIPHY_SCAN, |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 647 | } state; |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 648 | bool idle; |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 649 | int chan_idx; |
| 650 | int chan_is_ht; |
Felix Fietkau | 9fa23e1 | 2010-10-15 20:03:31 +0200 | [diff] [blame] | 651 | int last_rssi; |
Jouni Malinen | bce048d | 2009-03-03 19:23:28 +0200 | [diff] [blame] | 652 | }; |
| 653 | |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 654 | void ath9k_tasklet(unsigned long data); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 655 | int ath_reset(struct ath_softc *sc, bool retry_tx); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 656 | int ath_cabq_update(struct ath_softc *); |
| 657 | |
Luis R. Rodriguez | 5bb1279 | 2009-09-14 00:55:09 -0700 | [diff] [blame] | 658 | static inline void ath_read_cachesize(struct ath_common *common, int *csz) |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 659 | { |
Luis R. Rodriguez | 5bb1279 | 2009-09-14 00:55:09 -0700 | [diff] [blame] | 660 | common->bus_ops->read_cachesize(common, csz); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 661 | } |
| 662 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 663 | extern struct ieee80211_ops ath9k_ops; |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 664 | extern int modparam_nohwcrypt; |
Vivek Natarajan | 9a75c2f | 2010-06-22 11:52:37 +0530 | [diff] [blame] | 665 | extern int led_blink; |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 666 | |
| 667 | irqreturn_t ath_isr(int irq, void *dev); |
Sujith | 285f2dd | 2010-01-08 10:36:07 +0530 | [diff] [blame] | 668 | int ath9k_init_device(u16 devid, struct ath_softc *sc, u16 subsysid, |
Luis R. Rodriguez | 5bb1279 | 2009-09-14 00:55:09 -0700 | [diff] [blame] | 669 | const struct ath_bus_ops *bus_ops); |
Sujith | 285f2dd | 2010-01-08 10:36:07 +0530 | [diff] [blame] | 670 | void ath9k_deinit_device(struct ath_softc *sc); |
Sujith | 285f2dd | 2010-01-08 10:36:07 +0530 | [diff] [blame] | 671 | void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw); |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 672 | void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw, |
| 673 | struct ath9k_channel *ichan); |
| 674 | void ath_update_chainmask(struct ath_softc *sc, int is_ht); |
| 675 | int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, |
| 676 | struct ath9k_channel *hchan); |
Luis R. Rodriguez | 68a8911 | 2009-11-02 14:35:42 -0800 | [diff] [blame] | 677 | |
| 678 | void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw); |
| 679 | void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw); |
Sujith | 5562420 | 2010-01-08 10:36:02 +0530 | [diff] [blame] | 680 | bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode); |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 681 | |
| 682 | #ifdef CONFIG_PCI |
| 683 | int ath_pci_init(void); |
| 684 | void ath_pci_exit(void); |
| 685 | #else |
| 686 | static inline int ath_pci_init(void) { return 0; }; |
| 687 | static inline void ath_pci_exit(void) {}; |
| 688 | #endif |
| 689 | |
| 690 | #ifdef CONFIG_ATHEROS_AR71XX |
| 691 | int ath_ahb_init(void); |
| 692 | void ath_ahb_exit(void); |
| 693 | #else |
| 694 | static inline int ath_ahb_init(void) { return 0; }; |
| 695 | static inline void ath_ahb_exit(void) {}; |
| 696 | #endif |
| 697 | |
Gabor Juhos | 0bc0798 | 2009-07-14 20:17:14 -0400 | [diff] [blame] | 698 | void ath9k_ps_wakeup(struct ath_softc *sc); |
| 699 | void ath9k_ps_restore(struct ath_softc *sc); |
Jouni Malinen | 8ca21f0 | 2009-03-03 19:23:27 +0200 | [diff] [blame] | 700 | |
Mohammed Shafi Shajakhan | ea066d5 | 2010-11-23 20:42:27 +0530 | [diff] [blame] | 701 | u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate); |
| 702 | |
Felix Fietkau | 31a0164 | 2010-09-14 18:37:19 +0200 | [diff] [blame] | 703 | void ath9k_set_bssid_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif); |
Jouni Malinen | c52f33d | 2009-03-03 19:23:29 +0200 | [diff] [blame] | 704 | int ath9k_wiphy_add(struct ath_softc *sc); |
| 705 | int ath9k_wiphy_del(struct ath_wiphy *aphy); |
Felix Fietkau | 61117f0 | 2010-11-11 03:18:36 +0100 | [diff] [blame] | 706 | void ath9k_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb, int ftype); |
Jouni Malinen | f0ed85c | 2009-03-03 19:23:31 +0200 | [diff] [blame] | 707 | int ath9k_wiphy_pause(struct ath_wiphy *aphy); |
| 708 | int ath9k_wiphy_unpause(struct ath_wiphy *aphy); |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 709 | int ath9k_wiphy_select(struct ath_wiphy *aphy); |
Jouni Malinen | f98c3bd | 2009-03-03 19:23:39 +0200 | [diff] [blame] | 710 | void ath9k_wiphy_set_scheduler(struct ath_softc *sc, unsigned int msec_int); |
Jouni Malinen | 0e2dedf | 2009-03-03 19:23:32 +0200 | [diff] [blame] | 711 | void ath9k_wiphy_chan_work(struct work_struct *work); |
Jouni Malinen | 9580a22 | 2009-03-03 19:23:33 +0200 | [diff] [blame] | 712 | bool ath9k_wiphy_started(struct ath_softc *sc); |
Jouni Malinen | 18eb62f | 2009-03-03 19:23:35 +0200 | [diff] [blame] | 713 | void ath9k_wiphy_pause_all_forced(struct ath_softc *sc, |
| 714 | struct ath_wiphy *selected); |
Jouni Malinen | 8089cc4 | 2009-03-03 19:23:38 +0200 | [diff] [blame] | 715 | bool ath9k_wiphy_scanning(struct ath_softc *sc); |
Jouni Malinen | f98c3bd | 2009-03-03 19:23:39 +0200 | [diff] [blame] | 716 | void ath9k_wiphy_work(struct work_struct *work); |
Luis R. Rodriguez | 6483917 | 2009-07-14 20:22:53 -0400 | [diff] [blame] | 717 | bool ath9k_all_wiphys_idle(struct ath_softc *sc); |
Luis R. Rodriguez | 194b7c1 | 2009-10-29 10:41:15 -0700 | [diff] [blame] | 718 | void ath9k_set_wiphy_idle(struct ath_wiphy *aphy, bool idle); |
Jouni Malinen | 8ca21f0 | 2009-03-03 19:23:27 +0200 | [diff] [blame] | 719 | |
Luis R. Rodriguez | f52de03 | 2009-11-02 17:09:12 -0800 | [diff] [blame] | 720 | void ath_mac80211_stop_queue(struct ath_softc *sc, u16 skb_queue); |
Vasanthakumar Thiagarajan | 68e8f2f | 2010-07-22 02:24:11 -0700 | [diff] [blame] | 721 | bool ath_mac80211_start_queue(struct ath_softc *sc, u16 skb_queue); |
Luis R. Rodriguez | f52de03 | 2009-11-02 17:09:12 -0800 | [diff] [blame] | 722 | |
Sujith | 0fca65c | 2010-01-08 10:36:00 +0530 | [diff] [blame] | 723 | void ath_start_rfkill_poll(struct ath_softc *sc); |
| 724 | extern void ath9k_rfkill_poll_state(struct ieee80211_hw *hw); |
| 725 | |
Sujith | 394cf0a | 2009-02-09 13:26:54 +0530 | [diff] [blame] | 726 | #endif /* ATH9K_H */ |