Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * File: device_main.c |
| 20 | * |
| 21 | * Purpose: driver entry for initial, open, close, tx and rx. |
| 22 | * |
| 23 | * Author: Lyndon Chen |
| 24 | * |
| 25 | * Date: Jan 8, 2003 |
| 26 | * |
| 27 | * Functions: |
| 28 | * |
Charles Clément | 013a468 | 2010-06-15 10:39:24 -0700 | [diff] [blame] | 29 | * vt6655_probe - module initial (insmod) driver entry |
| 30 | * vt6655_remove - module remove entry |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 31 | * device_free_info - device structure resource free function |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 32 | * device_print_info - print out resource |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 33 | * device_rx_srv - rx service function |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 34 | * device_alloc_rx_buf - rx buffer pre-allocated function |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 35 | * device_free_tx_buf - free tx buffer function |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 36 | * device_init_rd0_ring- initial rd dma0 ring |
| 37 | * device_init_rd1_ring- initial rd dma1 ring |
| 38 | * device_init_td0_ring- initial tx dma0 ring buffer |
| 39 | * device_init_td1_ring- initial tx dma1 ring buffer |
| 40 | * device_init_registers- initial MAC & BBP & RF internal registers. |
| 41 | * device_init_rings- initial tx/rx ring buffer |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 42 | * device_free_rings- free all allocated ring buffer |
| 43 | * device_tx_srv- tx interrupt service function |
| 44 | * |
| 45 | * Revision History: |
| 46 | */ |
| 47 | #undef __NO_VERSION__ |
| 48 | |
Al Viro | f805442 | 2013-04-06 18:11:22 -0400 | [diff] [blame] | 49 | #include <linux/file.h> |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 50 | #include "device.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 51 | #include "card.h" |
Charles Clément | 79566eb | 2010-06-21 10:39:51 -0700 | [diff] [blame] | 52 | #include "channel.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 53 | #include "baseband.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 54 | #include "mac.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 55 | #include "power.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 56 | #include "rxtx.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 57 | #include "dpc.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 58 | #include "rf.h" |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 59 | #include <linux/delay.h> |
| 60 | #include <linux/kthread.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 61 | #include <linux/slab.h> |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 62 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 63 | /*--------------------- Static Definitions -------------------------*/ |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 64 | /* |
| 65 | * Define module options |
| 66 | */ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 67 | MODULE_AUTHOR("VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>"); |
| 68 | MODULE_LICENSE("GPL"); |
| 69 | MODULE_DESCRIPTION("VIA Networking Solomon-A/B/G Wireless LAN Adapter Driver"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 70 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 71 | #define DEVICE_PARAM(N, D) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 72 | |
| 73 | #define RX_DESC_MIN0 16 |
| 74 | #define RX_DESC_MAX0 128 |
| 75 | #define RX_DESC_DEF0 32 |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 76 | DEVICE_PARAM(RxDescriptors0, "Number of receive descriptors0"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 77 | |
| 78 | #define RX_DESC_MIN1 16 |
| 79 | #define RX_DESC_MAX1 128 |
| 80 | #define RX_DESC_DEF1 32 |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 81 | DEVICE_PARAM(RxDescriptors1, "Number of receive descriptors1"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 82 | |
| 83 | #define TX_DESC_MIN0 16 |
| 84 | #define TX_DESC_MAX0 128 |
| 85 | #define TX_DESC_DEF0 32 |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 86 | DEVICE_PARAM(TxDescriptors0, "Number of transmit descriptors0"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 87 | |
| 88 | #define TX_DESC_MIN1 16 |
| 89 | #define TX_DESC_MAX1 128 |
| 90 | #define TX_DESC_DEF1 64 |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 91 | DEVICE_PARAM(TxDescriptors1, "Number of transmit descriptors1"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 92 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 93 | #define INT_WORKS_DEF 20 |
| 94 | #define INT_WORKS_MIN 10 |
| 95 | #define INT_WORKS_MAX 64 |
| 96 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 97 | DEVICE_PARAM(int_works, "Number of packets per interrupt services"); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 98 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 99 | #define RTS_THRESH_DEF 2347 |
| 100 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 101 | #define FRAG_THRESH_DEF 2346 |
| 102 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 103 | #define SHORT_RETRY_MIN 0 |
| 104 | #define SHORT_RETRY_MAX 31 |
| 105 | #define SHORT_RETRY_DEF 8 |
| 106 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 107 | DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); |
| 108 | |
| 109 | #define LONG_RETRY_MIN 0 |
| 110 | #define LONG_RETRY_MAX 15 |
| 111 | #define LONG_RETRY_DEF 4 |
| 112 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 113 | DEVICE_PARAM(LongRetryLimit, "long frame retry limits"); |
| 114 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 115 | /* BasebandType[] baseband type selected |
Anson Jacob | 9877f9d | 2016-07-08 21:27:05 -0400 | [diff] [blame] | 116 | * 0: indicate 802.11a type |
| 117 | * 1: indicate 802.11b type |
| 118 | * 2: indicate 802.11g type |
| 119 | */ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 120 | #define BBP_TYPE_MIN 0 |
| 121 | #define BBP_TYPE_MAX 2 |
| 122 | #define BBP_TYPE_DEF 2 |
| 123 | |
| 124 | DEVICE_PARAM(BasebandType, "baseband type"); |
| 125 | |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 126 | /* |
| 127 | * Static vars definitions |
| 128 | */ |
Guillaume Clement | 9e4c5c2 | 2014-07-22 22:08:28 +0200 | [diff] [blame] | 129 | static const struct pci_device_id vt6655_pci_id_table[] = { |
Malcolm Priestley | 319755a | 2015-09-12 19:10:30 +0100 | [diff] [blame] | 130 | { PCI_VDEVICE(VIA, 0x3253) }, |
Jim Lieb | db6cb90 | 2009-07-23 17:20:49 -0700 | [diff] [blame] | 131 | { 0, } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 132 | }; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 133 | |
| 134 | /*--------------------- Static Functions --------------------------*/ |
| 135 | |
Charles Clément | 013a468 | 2010-06-15 10:39:24 -0700 | [diff] [blame] | 136 | static int vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 137 | static void device_free_info(struct vnt_private *priv); |
| 138 | static void device_print_info(struct vnt_private *priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 139 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 140 | static void device_init_rd0_ring(struct vnt_private *priv); |
| 141 | static void device_init_rd1_ring(struct vnt_private *priv); |
| 142 | static void device_init_td0_ring(struct vnt_private *priv); |
| 143 | static void device_init_td1_ring(struct vnt_private *priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 144 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 145 | static int device_rx_srv(struct vnt_private *priv, unsigned int idx); |
| 146 | static int device_tx_srv(struct vnt_private *priv, unsigned int idx); |
Malcolm Priestley | 9cb693f | 2015-08-15 21:57:35 +0100 | [diff] [blame] | 147 | static bool device_alloc_rx_buf(struct vnt_private *, struct vnt_rx_desc *); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 148 | static void device_init_registers(struct vnt_private *priv); |
Malcolm Priestley | e235727 | 2015-08-14 22:58:51 +0100 | [diff] [blame] | 149 | static void device_free_tx_buf(struct vnt_private *, struct vnt_tx_desc *); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 150 | static void device_free_td0_ring(struct vnt_private *priv); |
| 151 | static void device_free_td1_ring(struct vnt_private *priv); |
| 152 | static void device_free_rd0_ring(struct vnt_private *priv); |
| 153 | static void device_free_rd1_ring(struct vnt_private *priv); |
| 154 | static void device_free_rings(struct vnt_private *priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 155 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 156 | /*--------------------- Export Variables --------------------------*/ |
| 157 | |
| 158 | /*--------------------- Export Functions --------------------------*/ |
| 159 | |
Bill Pemberton | f4e1b7c | 2012-11-19 13:26:53 -0500 | [diff] [blame] | 160 | static void vt6655_remove(struct pci_dev *pcid) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 161 | { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 162 | struct vnt_private *priv = pci_get_drvdata(pcid); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 163 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 164 | if (priv == NULL) |
Devendra Naga | 3ac9e0f | 2012-09-07 00:08:02 +0530 | [diff] [blame] | 165 | return; |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 166 | device_free_info(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 167 | } |
| 168 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 169 | static void device_get_options(struct vnt_private *priv) |
Devendra Naga | bf76ebd | 2012-09-07 00:08:03 +0530 | [diff] [blame] | 170 | { |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 171 | struct vnt_options *opts = &priv->opts; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 172 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 173 | opts->rx_descs0 = RX_DESC_DEF0; |
| 174 | opts->rx_descs1 = RX_DESC_DEF1; |
| 175 | opts->tx_descs[0] = TX_DESC_DEF0; |
| 176 | opts->tx_descs[1] = TX_DESC_DEF1; |
| 177 | opts->int_works = INT_WORKS_DEF; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 178 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 179 | opts->short_retry = SHORT_RETRY_DEF; |
| 180 | opts->long_retry = LONG_RETRY_DEF; |
| 181 | opts->bbp_type = BBP_TYPE_DEF; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | static void |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 185 | device_set_options(struct vnt_private *priv) |
Malcolm Priestley | 3f8597f | 2014-08-10 15:46:55 +0100 | [diff] [blame] | 186 | { |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 187 | priv->byShortRetryLimit = priv->opts.short_retry; |
| 188 | priv->byLongRetryLimit = priv->opts.long_retry; |
| 189 | priv->byBBType = priv->opts.bbp_type; |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 190 | priv->byPacketType = priv->byBBType; |
| 191 | priv->byAutoFBCtrl = AUTO_FB_0; |
| 192 | priv->bUpdateBBVGA = true; |
| 193 | priv->byPreambleType = 0; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 194 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 195 | pr_debug(" byShortRetryLimit= %d\n", (int)priv->byShortRetryLimit); |
| 196 | pr_debug(" byLongRetryLimit= %d\n", (int)priv->byLongRetryLimit); |
| 197 | pr_debug(" byPreambleType= %d\n", (int)priv->byPreambleType); |
| 198 | pr_debug(" byShortPreamble= %d\n", (int)priv->byShortPreamble); |
| 199 | pr_debug(" byBBType= %d\n", (int)priv->byBBType); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 200 | } |
| 201 | |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 202 | /* |
| 203 | * Initialisation of MAC & BBP registers |
| 204 | */ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 205 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 206 | static void device_init_registers(struct vnt_private *priv) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 207 | { |
Malcolm Priestley | 10d6f1b | 2014-10-29 17:44:04 +0000 | [diff] [blame] | 208 | unsigned long flags; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 209 | unsigned int ii; |
| 210 | unsigned char byValue; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 211 | unsigned char byCCKPwrdBm = 0; |
| 212 | unsigned char byOFDMPwrdBm = 0; |
Guillaume Clement | 6b71127 | 2014-07-25 01:06:16 +0200 | [diff] [blame] | 213 | |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 214 | MACbShutdown(priv); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 215 | BBvSoftwareReset(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 216 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 217 | /* Do MACbSoftwareReset in MACvInitialize */ |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 218 | MACbSoftwareReset(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 219 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 220 | priv->bAES = false; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 221 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 222 | /* Only used in 11g type, sync with ERP IE */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 223 | priv->bProtectMode = false; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 224 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 225 | priv->bNonERPPresent = false; |
| 226 | priv->bBarkerPreambleMd = false; |
| 227 | priv->wCurrentRate = RATE_1M; |
| 228 | priv->byTopOFDMBasicRate = RATE_24M; |
| 229 | priv->byTopCCKBasicRate = RATE_1M; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 230 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 231 | /* init MAC */ |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 232 | MACvInitialize(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 233 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 234 | /* Get Local ID */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 235 | VNSvInPortB(priv->PortOffset + MAC_REG_LOCALID, &priv->byLocalID); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 236 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 237 | spin_lock_irqsave(&priv->lock, flags); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 238 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 239 | SROMvReadAllContents(priv->PortOffset, priv->abyEEPROM); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 240 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 241 | spin_unlock_irqrestore(&priv->lock, flags); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 242 | |
| 243 | /* Get Channel range */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 244 | priv->byMinChannel = 1; |
| 245 | priv->byMaxChannel = CB_MAX_CHANNEL; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 246 | |
| 247 | /* Get Antena */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 248 | byValue = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_ANTENNA); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 249 | if (byValue & EEP_ANTINV) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 250 | priv->bTxRxAntInv = true; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 251 | else |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 252 | priv->bTxRxAntInv = false; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 253 | |
| 254 | byValue &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
| 255 | /* if not set default is All */ |
| 256 | if (byValue == 0) |
| 257 | byValue = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
| 258 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 259 | if (byValue == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 260 | priv->byAntennaCount = 2; |
| 261 | priv->byTxAntennaMode = ANT_B; |
| 262 | priv->dwTxAntennaSel = 1; |
| 263 | priv->dwRxAntennaSel = 1; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 264 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 265 | if (priv->bTxRxAntInv) |
| 266 | priv->byRxAntennaMode = ANT_A; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 267 | else |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 268 | priv->byRxAntennaMode = ANT_B; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 269 | } else { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 270 | priv->byAntennaCount = 1; |
| 271 | priv->dwTxAntennaSel = 0; |
| 272 | priv->dwRxAntennaSel = 0; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 273 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 274 | if (byValue & EEP_ANTENNA_AUX) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 275 | priv->byTxAntennaMode = ANT_A; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 276 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 277 | if (priv->bTxRxAntInv) |
| 278 | priv->byRxAntennaMode = ANT_B; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 279 | else |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 280 | priv->byRxAntennaMode = ANT_A; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 281 | } else { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 282 | priv->byTxAntennaMode = ANT_B; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 283 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 284 | if (priv->bTxRxAntInv) |
| 285 | priv->byRxAntennaMode = ANT_A; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 286 | else |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 287 | priv->byRxAntennaMode = ANT_B; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 288 | } |
| 289 | } |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 290 | |
Malcolm Priestley | 918185f | 2015-01-19 18:24:13 +0000 | [diff] [blame] | 291 | /* Set initial antenna mode */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 292 | BBvSetTxAntennaMode(priv, priv->byTxAntennaMode); |
| 293 | BBvSetRxAntennaMode(priv, priv->byRxAntennaMode); |
Malcolm Priestley | 918185f | 2015-01-19 18:24:13 +0000 | [diff] [blame] | 294 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 295 | /* zonetype initial */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 296 | priv->byOriginalZonetype = priv->abyEEPROM[EEP_OFS_ZONETYPE]; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 297 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 298 | if (!priv->bZoneRegExist) |
| 299 | priv->byZoneType = priv->abyEEPROM[EEP_OFS_ZONETYPE]; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 300 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 301 | pr_debug("priv->byZoneType = %x\n", priv->byZoneType); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 302 | |
| 303 | /* Init RF module */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 304 | RFbInit(priv); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 305 | |
| 306 | /* Get Desire Power Value */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 307 | priv->byCurPwr = 0xFF; |
| 308 | priv->byCCKPwr = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_PWR_CCK); |
| 309 | priv->byOFDMPwrG = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_PWR_OFDMG); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 310 | |
| 311 | /* Load power Table */ |
| 312 | for (ii = 0; ii < CB_MAX_CHANNEL_24G; ii++) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 313 | priv->abyCCKPwrTbl[ii + 1] = |
| 314 | SROMbyReadEmbedded(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 315 | (unsigned char)(ii + EEP_OFS_CCK_PWR_TBL)); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 316 | if (priv->abyCCKPwrTbl[ii + 1] == 0) |
| 317 | priv->abyCCKPwrTbl[ii+1] = priv->byCCKPwr; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 318 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 319 | priv->abyOFDMPwrTbl[ii + 1] = |
| 320 | SROMbyReadEmbedded(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 321 | (unsigned char)(ii + EEP_OFS_OFDM_PWR_TBL)); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 322 | if (priv->abyOFDMPwrTbl[ii + 1] == 0) |
| 323 | priv->abyOFDMPwrTbl[ii + 1] = priv->byOFDMPwrG; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 324 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 325 | priv->abyCCKDefaultPwr[ii + 1] = byCCKPwrdBm; |
| 326 | priv->abyOFDMDefaultPwr[ii + 1] = byOFDMPwrdBm; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 327 | } |
| 328 | |
| 329 | /* recover 12,13 ,14channel for EUROPE by 11 channel */ |
Malcolm Priestley | f4cf678 | 2014-10-29 17:55:19 +0000 | [diff] [blame] | 330 | for (ii = 11; ii < 14; ii++) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 331 | priv->abyCCKPwrTbl[ii] = priv->abyCCKPwrTbl[10]; |
| 332 | priv->abyOFDMPwrTbl[ii] = priv->abyOFDMPwrTbl[10]; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | /* Load OFDM A Power Table */ |
| 336 | for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 337 | priv->abyOFDMPwrTbl[ii + CB_MAX_CHANNEL_24G + 1] = |
| 338 | SROMbyReadEmbedded(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 339 | (unsigned char)(ii + EEP_OFS_OFDMA_PWR_TBL)); |
| 340 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 341 | priv->abyOFDMDefaultPwr[ii + CB_MAX_CHANNEL_24G + 1] = |
| 342 | SROMbyReadEmbedded(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 343 | (unsigned char)(ii + EEP_OFS_OFDMA_PWR_dBm)); |
| 344 | } |
| 345 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 346 | if (priv->byLocalID > REV_ID_VT3253_B1) { |
| 347 | MACvSelectPage1(priv->PortOffset); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 348 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 349 | VNSvOutPortB(priv->PortOffset + MAC_REG_MSRCTL + 1, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 350 | (MSRCTL1_TXPWR | MSRCTL1_CSAPAREN)); |
| 351 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 352 | MACvSelectPage0(priv->PortOffset); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 353 | } |
| 354 | |
| 355 | /* use relative tx timeout and 802.11i D4 */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 356 | MACvWordRegBitsOn(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 357 | MAC_REG_CFG, (CFG_TKIPOPT | CFG_NOTXTIMEOUT)); |
| 358 | |
| 359 | /* set performance parameter by registry */ |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 360 | MACvSetShortRetryLimit(priv, priv->byShortRetryLimit); |
| 361 | MACvSetLongRetryLimit(priv, priv->byLongRetryLimit); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 362 | |
| 363 | /* reset TSF counter */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 364 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 365 | /* enable TSF counter */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 366 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 367 | |
| 368 | /* initialize BBP registers */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 369 | BBbVT3253Init(priv); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 370 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 371 | if (priv->bUpdateBBVGA) { |
| 372 | priv->byBBVGACurrent = priv->abyBBVGA[0]; |
| 373 | priv->byBBVGANew = priv->byBBVGACurrent; |
| 374 | BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 375 | } |
| 376 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 377 | BBvSetRxAntennaMode(priv, priv->byRxAntennaMode); |
| 378 | BBvSetTxAntennaMode(priv, priv->byTxAntennaMode); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 379 | |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 380 | /* Set BB and packet type at the same time. */ |
| 381 | /* Set Short Slot Time, xIFS, and RSPINF. */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 382 | priv->wCurrentRate = RATE_54M; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 383 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 384 | priv->bRadioOff = false; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 385 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 386 | priv->byRadioCtl = SROMbyReadEmbedded(priv->PortOffset, |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 387 | EEP_OFS_RADIOCTL); |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 388 | priv->bHWRadioOff = false; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 389 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 390 | if (priv->byRadioCtl & EEP_RADIOCTL_ENABLE) { |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 391 | /* Get GPIO */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 392 | MACvGPIOIn(priv->PortOffset, &priv->byGPIO); |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 393 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 394 | if (((priv->byGPIO & GPIO0_DATA) && |
| 395 | !(priv->byRadioCtl & EEP_RADIOCTL_INV)) || |
| 396 | (!(priv->byGPIO & GPIO0_DATA) && |
| 397 | (priv->byRadioCtl & EEP_RADIOCTL_INV))) |
| 398 | priv->bHWRadioOff = true; |
Malcolm Priestley | 9f34de3 | 2014-07-28 23:26:25 +0100 | [diff] [blame] | 399 | } |
| 400 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 401 | if (priv->bHWRadioOff || priv->bRadioControlOff) |
| 402 | CARDbRadioPowerOff(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 403 | |
Malcolm Priestley | 3500a1d | 2014-07-28 23:26:26 +0100 | [diff] [blame] | 404 | /* get Permanent network address */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 405 | SROMvReadEtherAddress(priv->PortOffset, priv->abyCurrentNetAddr); |
| 406 | pr_debug("Network address = %pM\n", priv->abyCurrentNetAddr); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 407 | |
Malcolm Priestley | 3500a1d | 2014-07-28 23:26:26 +0100 | [diff] [blame] | 408 | /* reset Tx pointer */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 409 | CARDvSafeResetRx(priv); |
Malcolm Priestley | 3500a1d | 2014-07-28 23:26:26 +0100 | [diff] [blame] | 410 | /* reset Rx pointer */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 411 | CARDvSafeResetTx(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 412 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 413 | if (priv->byLocalID <= REV_ID_VT3253_A1) |
| 414 | MACvRegBitsOn(priv->PortOffset, MAC_REG_RCR, RCR_WPAERR); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 415 | |
Malcolm Priestley | 3500a1d | 2014-07-28 23:26:26 +0100 | [diff] [blame] | 416 | /* Turn On Rx DMA */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 417 | MACvReceive0(priv->PortOffset); |
| 418 | MACvReceive1(priv->PortOffset); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 419 | |
Malcolm Priestley | 3500a1d | 2014-07-28 23:26:26 +0100 | [diff] [blame] | 420 | /* start the adapter */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 421 | MACvStart(priv->PortOffset); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 422 | } |
| 423 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 424 | static void device_print_info(struct vnt_private *priv) |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 425 | { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 426 | dev_info(&priv->pcid->dev, "MAC=%pM IO=0x%lx Mem=0x%lx IRQ=%d\n", |
| 427 | priv->abyCurrentNetAddr, (unsigned long)priv->ioaddr, |
| 428 | (unsigned long)priv->PortOffset, priv->pcid->irq); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 429 | } |
| 430 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 431 | static void device_free_info(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 432 | { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 433 | if (!priv) |
Malcolm Priestley | 14e5300 | 2014-10-29 17:43:55 +0000 | [diff] [blame] | 434 | return; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 435 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 436 | if (priv->mac_hw) |
| 437 | ieee80211_unregister_hw(priv->hw); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 438 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 439 | if (priv->PortOffset) |
| 440 | iounmap(priv->PortOffset); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 441 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 442 | if (priv->pcid) |
| 443 | pci_release_regions(priv->pcid); |
Malcolm Priestley | 14e5300 | 2014-10-29 17:43:55 +0000 | [diff] [blame] | 444 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 445 | if (priv->hw) |
| 446 | ieee80211_free_hw(priv->hw); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 447 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 448 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 449 | static bool device_init_rings(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 450 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 451 | void *vir_pool; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 452 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 453 | /*allocate all RD/TD rings a single pool*/ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 454 | vir_pool = dma_zalloc_coherent(&priv->pcid->dev, |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 455 | priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc) + |
| 456 | priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc) + |
| 457 | priv->opts.tx_descs[0] * sizeof(struct vnt_tx_desc) + |
| 458 | priv->opts.tx_descs[1] * sizeof(struct vnt_tx_desc), |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 459 | &priv->pool_dma, GFP_ATOMIC); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 460 | if (vir_pool == NULL) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 461 | dev_err(&priv->pcid->dev, "allocate desc dma memory failed\n"); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 462 | return false; |
| 463 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 464 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 465 | priv->aRD0Ring = vir_pool; |
| 466 | priv->aRD1Ring = vir_pool + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 467 | priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 468 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 469 | priv->rd0_pool_dma = priv->pool_dma; |
| 470 | priv->rd1_pool_dma = priv->rd0_pool_dma + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 471 | priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 472 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 473 | priv->tx0_bufs = dma_zalloc_coherent(&priv->pcid->dev, |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 474 | priv->opts.tx_descs[0] * PKT_BUF_SZ + |
| 475 | priv->opts.tx_descs[1] * PKT_BUF_SZ + |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 476 | CB_BEACON_BUF_SIZE + |
| 477 | CB_MAX_BUF_SIZE, |
| 478 | &priv->tx_bufs_dma0, |
| 479 | GFP_ATOMIC); |
Namrata A Shettar | 7cfae24 | 2016-09-18 14:34:51 +0530 | [diff] [blame] | 480 | if (!priv->tx0_bufs) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 481 | dev_err(&priv->pcid->dev, "allocate buf dma memory failed\n"); |
Malcolm Priestley | 42f709e | 2014-09-22 21:27:46 +0100 | [diff] [blame] | 482 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 483 | dma_free_coherent(&priv->pcid->dev, |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 484 | priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc) + |
| 485 | priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc) + |
| 486 | priv->opts.tx_descs[0] * sizeof(struct vnt_tx_desc) + |
| 487 | priv->opts.tx_descs[1] * sizeof(struct vnt_tx_desc), |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 488 | vir_pool, priv->pool_dma); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 489 | return false; |
| 490 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 491 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 492 | priv->td0_pool_dma = priv->rd1_pool_dma + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 493 | priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 494 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 495 | priv->td1_pool_dma = priv->td0_pool_dma + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 496 | priv->opts.tx_descs[0] * sizeof(struct vnt_tx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 497 | |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 498 | /* vir_pool: pvoid type */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 499 | priv->apTD0Rings = vir_pool |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 500 | + priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc) |
| 501 | + priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 502 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 503 | priv->apTD1Rings = vir_pool |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 504 | + priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc) |
| 505 | + priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc) |
| 506 | + priv->opts.tx_descs[0] * sizeof(struct vnt_tx_desc); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 507 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 508 | priv->tx1_bufs = priv->tx0_bufs + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 509 | priv->opts.tx_descs[0] * PKT_BUF_SZ; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 510 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 511 | priv->tx_beacon_bufs = priv->tx1_bufs + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 512 | priv->opts.tx_descs[1] * PKT_BUF_SZ; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 513 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 514 | priv->pbyTmpBuff = priv->tx_beacon_bufs + |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 515 | CB_BEACON_BUF_SIZE; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 516 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 517 | priv->tx_bufs_dma1 = priv->tx_bufs_dma0 + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 518 | priv->opts.tx_descs[0] * PKT_BUF_SZ; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 519 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 520 | priv->tx_beacon_dma = priv->tx_bufs_dma1 + |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 521 | priv->opts.tx_descs[1] * PKT_BUF_SZ; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 522 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 523 | return true; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 524 | } |
| 525 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 526 | static void device_free_rings(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 527 | { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 528 | dma_free_coherent(&priv->pcid->dev, |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 529 | priv->opts.rx_descs0 * sizeof(struct vnt_rx_desc) + |
| 530 | priv->opts.rx_descs1 * sizeof(struct vnt_rx_desc) + |
| 531 | priv->opts.tx_descs[0] * sizeof(struct vnt_tx_desc) + |
| 532 | priv->opts.tx_descs[1] * sizeof(struct vnt_tx_desc), |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 533 | priv->aRD0Ring, priv->pool_dma); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 534 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 535 | if (priv->tx0_bufs) |
| 536 | dma_free_coherent(&priv->pcid->dev, |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 537 | priv->opts.tx_descs[0] * PKT_BUF_SZ + |
| 538 | priv->opts.tx_descs[1] * PKT_BUF_SZ + |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 539 | CB_BEACON_BUF_SIZE + |
| 540 | CB_MAX_BUF_SIZE, |
| 541 | priv->tx0_bufs, priv->tx_bufs_dma0); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 542 | } |
| 543 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 544 | static void device_init_rd0_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 545 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 546 | int i; |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 547 | dma_addr_t curr = priv->rd0_pool_dma; |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 548 | struct vnt_rx_desc *desc; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 549 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 550 | /* Init the RD0 ring entries */ |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 551 | for (i = 0; i < priv->opts.rx_descs0; |
Malcolm Priestley | 9cb693f | 2015-08-15 21:57:35 +0100 | [diff] [blame] | 552 | i ++, curr += sizeof(struct vnt_rx_desc)) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 553 | desc = &priv->aRD0Ring[i]; |
Malcolm Priestley | e06cf9a | 2015-10-17 11:32:59 +0100 | [diff] [blame] | 554 | desc->rd_info = kzalloc(sizeof(*desc->rd_info), GFP_ATOMIC); |
Malcolm Priestley | 217ed3a | 2015-07-22 19:16:33 +0100 | [diff] [blame] | 555 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 556 | if (!device_alloc_rx_buf(priv, desc)) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 557 | dev_err(&priv->pcid->dev, "can not alloc rx bufs\n"); |
Malcolm Priestley | 42f709e | 2014-09-22 21:27:46 +0100 | [diff] [blame] | 558 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 559 | desc->next = &(priv->aRD0Ring[(i+1) % priv->opts.rx_descs0]); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 560 | desc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_rx_desc)); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 561 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 562 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 563 | if (i > 0) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 564 | priv->aRD0Ring[i-1].next_desc = cpu_to_le32(priv->rd0_pool_dma); |
| 565 | priv->pCurrRD[0] = &priv->aRD0Ring[0]; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 566 | } |
| 567 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 568 | static void device_init_rd1_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 569 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 570 | int i; |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 571 | dma_addr_t curr = priv->rd1_pool_dma; |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 572 | struct vnt_rx_desc *desc; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 573 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 574 | /* Init the RD1 ring entries */ |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 575 | for (i = 0; i < priv->opts.rx_descs1; |
Malcolm Priestley | 9cb693f | 2015-08-15 21:57:35 +0100 | [diff] [blame] | 576 | i ++, curr += sizeof(struct vnt_rx_desc)) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 577 | desc = &priv->aRD1Ring[i]; |
Malcolm Priestley | e06cf9a | 2015-10-17 11:32:59 +0100 | [diff] [blame] | 578 | desc->rd_info = kzalloc(sizeof(*desc->rd_info), GFP_ATOMIC); |
Malcolm Priestley | 217ed3a | 2015-07-22 19:16:33 +0100 | [diff] [blame] | 579 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 580 | if (!device_alloc_rx_buf(priv, desc)) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 581 | dev_err(&priv->pcid->dev, "can not alloc rx bufs\n"); |
Malcolm Priestley | 42f709e | 2014-09-22 21:27:46 +0100 | [diff] [blame] | 582 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 583 | desc->next = &(priv->aRD1Ring[(i+1) % priv->opts.rx_descs1]); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 584 | desc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_rx_desc)); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 585 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 586 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 587 | if (i > 0) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 588 | priv->aRD1Ring[i-1].next_desc = cpu_to_le32(priv->rd1_pool_dma); |
| 589 | priv->pCurrRD[1] = &priv->aRD1Ring[0]; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 590 | } |
| 591 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 592 | static void device_free_rd0_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 593 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 594 | int i; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 595 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 596 | for (i = 0; i < priv->opts.rx_descs0; i++) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 597 | struct vnt_rx_desc *desc = &(priv->aRD0Ring[i]); |
| 598 | struct vnt_rd_info *rd_info = desc->rd_info; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 599 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 600 | dma_unmap_single(&priv->pcid->dev, rd_info->skb_dma, |
| 601 | priv->rx_buf_sz, DMA_FROM_DEVICE); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 602 | |
Malcolm Priestley | 88defe2 | 2015-08-15 21:57:34 +0100 | [diff] [blame] | 603 | dev_kfree_skb(rd_info->skb); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 604 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 605 | kfree(desc->rd_info); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 606 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 607 | } |
| 608 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 609 | static void device_free_rd1_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 610 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 611 | int i; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 612 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 613 | for (i = 0; i < priv->opts.rx_descs1; i++) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 614 | struct vnt_rx_desc *desc = &priv->aRD1Ring[i]; |
| 615 | struct vnt_rd_info *rd_info = desc->rd_info; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 616 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 617 | dma_unmap_single(&priv->pcid->dev, rd_info->skb_dma, |
| 618 | priv->rx_buf_sz, DMA_FROM_DEVICE); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 619 | |
Malcolm Priestley | 88defe2 | 2015-08-15 21:57:34 +0100 | [diff] [blame] | 620 | dev_kfree_skb(rd_info->skb); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 621 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 622 | kfree(desc->rd_info); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 623 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 624 | } |
| 625 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 626 | static void device_init_td0_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 627 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 628 | int i; |
| 629 | dma_addr_t curr; |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 630 | struct vnt_tx_desc *desc; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 631 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 632 | curr = priv->td0_pool_dma; |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 633 | for (i = 0; i < priv->opts.tx_descs[0]; |
Malcolm Priestley | e235727 | 2015-08-14 22:58:51 +0100 | [diff] [blame] | 634 | i++, curr += sizeof(struct vnt_tx_desc)) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 635 | desc = &priv->apTD0Rings[i]; |
Malcolm Priestley | 068b998 | 2015-10-17 11:33:00 +0100 | [diff] [blame] | 636 | desc->td_info = kzalloc(sizeof(*desc->td_info), GFP_ATOMIC); |
Malcolm Priestley | 217ed3a | 2015-07-22 19:16:33 +0100 | [diff] [blame] | 637 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 638 | desc->td_info->buf = priv->tx0_bufs + i * PKT_BUF_SZ; |
| 639 | desc->td_info->buf_dma = priv->tx_bufs_dma0 + i * PKT_BUF_SZ; |
Malcolm Priestley | 319755a | 2015-09-12 19:10:30 +0100 | [diff] [blame] | 640 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 641 | desc->next = &(priv->apTD0Rings[(i+1) % priv->opts.tx_descs[0]]); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 642 | desc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_tx_desc)); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 643 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 644 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 645 | if (i > 0) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 646 | priv->apTD0Rings[i-1].next_desc = cpu_to_le32(priv->td0_pool_dma); |
| 647 | priv->apTailTD[0] = priv->apCurrTD[0] = &priv->apTD0Rings[0]; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 648 | } |
| 649 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 650 | static void device_init_td1_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 651 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 652 | int i; |
| 653 | dma_addr_t curr; |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 654 | struct vnt_tx_desc *desc; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 655 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 656 | /* Init the TD ring entries */ |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 657 | curr = priv->td1_pool_dma; |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 658 | for (i = 0; i < priv->opts.tx_descs[1]; |
Malcolm Priestley | e235727 | 2015-08-14 22:58:51 +0100 | [diff] [blame] | 659 | i++, curr += sizeof(struct vnt_tx_desc)) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 660 | desc = &priv->apTD1Rings[i]; |
Malcolm Priestley | 068b998 | 2015-10-17 11:33:00 +0100 | [diff] [blame] | 661 | desc->td_info = kzalloc(sizeof(*desc->td_info), GFP_ATOMIC); |
Malcolm Priestley | 217ed3a | 2015-07-22 19:16:33 +0100 | [diff] [blame] | 662 | |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 663 | desc->td_info->buf = priv->tx1_bufs + i * PKT_BUF_SZ; |
| 664 | desc->td_info->buf_dma = priv->tx_bufs_dma1 + i * PKT_BUF_SZ; |
Malcolm Priestley | 319755a | 2015-09-12 19:10:30 +0100 | [diff] [blame] | 665 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 666 | desc->next = &(priv->apTD1Rings[(i + 1) % priv->opts.tx_descs[1]]); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 667 | desc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_tx_desc)); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 668 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 669 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 670 | if (i > 0) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 671 | priv->apTD1Rings[i-1].next_desc = cpu_to_le32(priv->td1_pool_dma); |
| 672 | priv->apTailTD[1] = priv->apCurrTD[1] = &priv->apTD1Rings[0]; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 673 | } |
| 674 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 675 | static void device_free_td0_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 676 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 677 | int i; |
Guillaume Clement | 6b71127 | 2014-07-25 01:06:16 +0200 | [diff] [blame] | 678 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 679 | for (i = 0; i < priv->opts.tx_descs[0]; i++) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 680 | struct vnt_tx_desc *desc = &priv->apTD0Rings[i]; |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 681 | struct vnt_td_info *td_info = desc->td_info; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 682 | |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 683 | dev_kfree_skb(td_info->skb); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 684 | kfree(desc->td_info); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 685 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 686 | } |
| 687 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 688 | static void device_free_td1_ring(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 689 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 690 | int i; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 691 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 692 | for (i = 0; i < priv->opts.tx_descs[1]; i++) { |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 693 | struct vnt_tx_desc *desc = &priv->apTD1Rings[i]; |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 694 | struct vnt_td_info *td_info = desc->td_info; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 695 | |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 696 | dev_kfree_skb(td_info->skb); |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 697 | kfree(desc->td_info); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 698 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 699 | } |
| 700 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 701 | /*-----------------------------------------------------------------*/ |
| 702 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 703 | static int device_rx_srv(struct vnt_private *priv, unsigned int idx) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 704 | { |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 705 | struct vnt_rx_desc *rd; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 706 | int works = 0; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 707 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 708 | for (rd = priv->pCurrRD[idx]; |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 709 | rd->rd0.owner == OWNED_BY_HOST; |
| 710 | rd = rd->next) { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 711 | if (works++ > 15) |
| 712 | break; |
Malcolm Priestley | b5eeed8 | 2015-05-31 10:35:28 +0100 | [diff] [blame] | 713 | |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 714 | if (!rd->rd_info->skb) |
Malcolm Priestley | b5eeed8 | 2015-05-31 10:35:28 +0100 | [diff] [blame] | 715 | break; |
| 716 | |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 717 | if (vnt_receive_frame(priv, rd)) { |
| 718 | if (!device_alloc_rx_buf(priv, rd)) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 719 | dev_err(&priv->pcid->dev, |
Malcolm Priestley | 42f709e | 2014-09-22 21:27:46 +0100 | [diff] [blame] | 720 | "can not allocate rx buf\n"); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 721 | break; |
| 722 | } |
| 723 | } |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 724 | rd->rd0.owner = OWNED_BY_NIC; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 725 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 726 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 727 | priv->pCurrRD[idx] = rd; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 728 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 729 | return works; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 730 | } |
| 731 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 732 | static bool device_alloc_rx_buf(struct vnt_private *priv, |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 733 | struct vnt_rx_desc *rd) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 734 | { |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 735 | struct vnt_rd_info *rd_info = rd->rd_info; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 736 | |
Malcolm Priestley | 5e011b4 | 2015-10-03 20:30:24 +0100 | [diff] [blame] | 737 | rd_info->skb = dev_alloc_skb((int)priv->rx_buf_sz); |
Namrata A Shettar | 8f4166d | 2016-09-18 14:35:13 +0530 | [diff] [blame] | 738 | if (!rd_info->skb) |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 739 | return false; |
Malcolm Priestley | 33b1c8c | 2014-10-29 17:43:36 +0000 | [diff] [blame] | 740 | |
Malcolm Priestley | 5e011b4 | 2015-10-03 20:30:24 +0100 | [diff] [blame] | 741 | rd_info->skb_dma = |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 742 | dma_map_single(&priv->pcid->dev, |
Malcolm Priestley | 5e011b4 | 2015-10-03 20:30:24 +0100 | [diff] [blame] | 743 | skb_put(rd_info->skb, skb_tailroom(rd_info->skb)), |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 744 | priv->rx_buf_sz, DMA_FROM_DEVICE); |
Haneen Mohammed | 2fbf6d6 | 2016-02-11 21:34:40 +0300 | [diff] [blame] | 745 | if (dma_mapping_error(&priv->pcid->dev, rd_info->skb_dma)) { |
| 746 | dev_kfree_skb(rd_info->skb); |
| 747 | rd_info->skb = NULL; |
| 748 | return false; |
| 749 | } |
Malcolm Priestley | 33b1c8c | 2014-10-29 17:43:36 +0000 | [diff] [blame] | 750 | |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 751 | *((unsigned int *)&rd->rd0) = 0; /* FIX cast */ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 752 | |
Malcolm Priestley | 480fc5b | 2015-10-03 20:30:25 +0100 | [diff] [blame] | 753 | rd->rd0.res_count = cpu_to_le16(priv->rx_buf_sz); |
| 754 | rd->rd0.owner = OWNED_BY_NIC; |
| 755 | rd->rd1.req_count = cpu_to_le16(priv->rx_buf_sz); |
| 756 | rd->buff_addr = cpu_to_le32(rd_info->skb_dma); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 757 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 758 | return true; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 759 | } |
| 760 | |
Malcolm Priestley | 59918bea | 2014-10-29 17:43:48 +0000 | [diff] [blame] | 761 | static const u8 fallback_rate0[5][5] = { |
| 762 | {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M}, |
| 763 | {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M}, |
| 764 | {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M}, |
| 765 | {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M}, |
| 766 | {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M} |
| 767 | }; |
| 768 | |
| 769 | static const u8 fallback_rate1[5][5] = { |
| 770 | {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M}, |
| 771 | {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M}, |
| 772 | {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M}, |
| 773 | {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M}, |
| 774 | {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M} |
| 775 | }; |
| 776 | |
| 777 | static int vnt_int_report_rate(struct vnt_private *priv, |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 778 | struct vnt_td_info *context, u8 tsr0, u8 tsr1) |
Malcolm Priestley | 59918bea | 2014-10-29 17:43:48 +0000 | [diff] [blame] | 779 | { |
| 780 | struct vnt_tx_fifo_head *fifo_head; |
| 781 | struct ieee80211_tx_info *info; |
| 782 | struct ieee80211_rate *rate; |
| 783 | u16 fb_option; |
| 784 | u8 tx_retry = (tsr0 & TSR0_NCR); |
| 785 | s8 idx; |
| 786 | |
| 787 | if (!context) |
| 788 | return -ENOMEM; |
| 789 | |
| 790 | if (!context->skb) |
| 791 | return -EINVAL; |
| 792 | |
| 793 | fifo_head = (struct vnt_tx_fifo_head *)context->buf; |
| 794 | fb_option = (le16_to_cpu(fifo_head->fifo_ctl) & |
| 795 | (FIFOCTL_AUTO_FB_0 | FIFOCTL_AUTO_FB_1)); |
| 796 | |
| 797 | info = IEEE80211_SKB_CB(context->skb); |
| 798 | idx = info->control.rates[0].idx; |
| 799 | |
| 800 | if (fb_option && !(tsr1 & TSR1_TERR)) { |
| 801 | u8 tx_rate; |
| 802 | u8 retry = tx_retry; |
| 803 | |
| 804 | rate = ieee80211_get_tx_rate(priv->hw, info); |
| 805 | tx_rate = rate->hw_value - RATE_18M; |
| 806 | |
| 807 | if (retry > 4) |
| 808 | retry = 4; |
| 809 | |
| 810 | if (fb_option & FIFOCTL_AUTO_FB_0) |
| 811 | tx_rate = fallback_rate0[tx_rate][retry]; |
| 812 | else if (fb_option & FIFOCTL_AUTO_FB_1) |
| 813 | tx_rate = fallback_rate1[tx_rate][retry]; |
| 814 | |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 815 | if (info->band == NL80211_BAND_5GHZ) |
Malcolm Priestley | 59918bea | 2014-10-29 17:43:48 +0000 | [diff] [blame] | 816 | idx = tx_rate - RATE_6M; |
| 817 | else |
| 818 | idx = tx_rate; |
| 819 | } |
| 820 | |
| 821 | ieee80211_tx_info_clear_status(info); |
| 822 | |
| 823 | info->status.rates[0].count = tx_retry; |
| 824 | |
| 825 | if (!(tsr1 & TSR1_TERR)) { |
| 826 | info->status.rates[0].idx = idx; |
Malcolm Priestley | 6e44dc4 | 2015-04-09 20:53:44 +0100 | [diff] [blame] | 827 | |
| 828 | if (info->flags & IEEE80211_TX_CTL_NO_ACK) |
| 829 | info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED; |
| 830 | else |
| 831 | info->flags |= IEEE80211_TX_STAT_ACK; |
Malcolm Priestley | 59918bea | 2014-10-29 17:43:48 +0000 | [diff] [blame] | 832 | } |
| 833 | |
| 834 | return 0; |
| 835 | } |
| 836 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 837 | static int device_tx_srv(struct vnt_private *priv, unsigned int idx) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 838 | { |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 839 | struct vnt_tx_desc *desc; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 840 | int works = 0; |
| 841 | unsigned char byTsr0; |
| 842 | unsigned char byTsr1; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 843 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 844 | for (desc = priv->apTailTD[idx]; priv->iTDUsed[idx] > 0; desc = desc->next) { |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 845 | if (desc->td0.owner == OWNED_BY_NIC) |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 846 | break; |
| 847 | if (works++ > 15) |
| 848 | break; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 849 | |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 850 | byTsr0 = desc->td0.tsr0; |
| 851 | byTsr1 = desc->td0.tsr1; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 852 | |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 853 | /* Only the status of first TD in the chain is correct */ |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 854 | if (desc->td1.tcr & TCR_STP) { |
| 855 | if ((desc->td_info->flags & TD_FLAGS_NETIF_SKB) != 0) { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 856 | if (!(byTsr1 & TSR1_TERR)) { |
| 857 | if (byTsr0 != 0) { |
Joe Perches | 48caf5a | 2014-08-17 09:17:04 -0700 | [diff] [blame] | 858 | pr_debug(" Tx[%d] OK but has error. tsr1[%02X] tsr0[%02X]\n", |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 859 | (int)idx, byTsr1, |
Joe Perches | 48caf5a | 2014-08-17 09:17:04 -0700 | [diff] [blame] | 860 | byTsr0); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 861 | } |
Joe Perches | 5e0cc8a | 2013-03-18 20:55:37 -0700 | [diff] [blame] | 862 | } else { |
Joe Perches | 48caf5a | 2014-08-17 09:17:04 -0700 | [diff] [blame] | 863 | pr_debug(" Tx[%d] dropped & tsr1[%02X] tsr0[%02X]\n", |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 864 | (int)idx, byTsr1, byTsr0); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 865 | } |
| 866 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 867 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 868 | if (byTsr1 & TSR1_TERR) { |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 869 | if ((desc->td_info->flags & TD_FLAGS_PRIV_SKB) != 0) { |
Joe Perches | 48caf5a | 2014-08-17 09:17:04 -0700 | [diff] [blame] | 870 | pr_debug(" Tx[%d] fail has error. tsr1[%02X] tsr0[%02X]\n", |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 871 | (int)idx, byTsr1, byTsr0); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 872 | } |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 873 | } |
Malcolm Priestley | ad3fee9 | 2015-04-11 20:29:41 +0100 | [diff] [blame] | 874 | |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 875 | vnt_int_report_rate(priv, desc->td_info, byTsr0, byTsr1); |
Malcolm Priestley | ad3fee9 | 2015-04-11 20:29:41 +0100 | [diff] [blame] | 876 | |
Malcolm Priestley | 9f31b69 | 2015-10-03 20:30:27 +0100 | [diff] [blame] | 877 | device_free_tx_buf(priv, desc); |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 878 | priv->iTDUsed[idx]--; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 879 | } |
| 880 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 881 | |
Malcolm Priestley | 0924a89 | 2015-10-17 11:32:54 +0100 | [diff] [blame] | 882 | priv->apTailTD[idx] = desc; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 883 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 884 | return works; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 885 | } |
| 886 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 887 | static void device_error(struct vnt_private *priv, unsigned short status) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 888 | { |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 889 | if (status & ISR_FETALERR) { |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 890 | dev_err(&priv->pcid->dev, "Hardware fatal error\n"); |
Malcolm Priestley | 42f709e | 2014-09-22 21:27:46 +0100 | [diff] [blame] | 891 | |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 892 | MACbShutdown(priv); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 893 | return; |
| 894 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 895 | } |
| 896 | |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 897 | static void device_free_tx_buf(struct vnt_private *priv, |
Malcolm Priestley | 5e76c8f | 2015-10-03 20:30:23 +0100 | [diff] [blame] | 898 | struct vnt_tx_desc *desc) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 899 | { |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 900 | struct vnt_td_info *td_info = desc->td_info; |
| 901 | struct sk_buff *skb = td_info->skb; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 902 | |
Malcolm Priestley | 3fa0917 | 2015-04-09 20:53:43 +0100 | [diff] [blame] | 903 | if (skb) |
Malcolm Priestley | 78e0e85 | 2015-10-03 20:30:22 +0100 | [diff] [blame] | 904 | ieee80211_tx_status_irqsafe(priv->hw, skb); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 905 | |
Malcolm Priestley | 12f2ee3 | 2015-10-03 20:30:26 +0100 | [diff] [blame] | 906 | td_info->skb = NULL; |
| 907 | td_info->flags = 0; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 908 | } |
| 909 | |
Malcolm Priestley | 64e4fd5 | 2015-02-01 11:59:39 +0000 | [diff] [blame] | 910 | static void vnt_check_bb_vga(struct vnt_private *priv) |
| 911 | { |
| 912 | long dbm; |
| 913 | int i; |
| 914 | |
| 915 | if (!priv->bUpdateBBVGA) |
| 916 | return; |
| 917 | |
| 918 | if (priv->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) |
| 919 | return; |
| 920 | |
| 921 | if (!(priv->vif->bss_conf.assoc && priv->uCurrRSSI)) |
| 922 | return; |
| 923 | |
| 924 | RFvRSSITodBm(priv, (u8)priv->uCurrRSSI, &dbm); |
| 925 | |
| 926 | for (i = 0; i < BB_VGA_LEVEL; i++) { |
| 927 | if (dbm < priv->ldBmThreshold[i]) { |
| 928 | priv->byBBVGANew = priv->abyBBVGA[i]; |
| 929 | break; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | if (priv->byBBVGANew == priv->byBBVGACurrent) { |
| 934 | priv->uBBVGADiffCount = 1; |
| 935 | return; |
| 936 | } |
| 937 | |
| 938 | priv->uBBVGADiffCount++; |
| 939 | |
| 940 | if (priv->uBBVGADiffCount == 1) { |
| 941 | /* first VGA diff gain */ |
| 942 | BBvSetVGAGainOffset(priv, priv->byBBVGANew); |
| 943 | |
| 944 | dev_dbg(&priv->pcid->dev, |
| 945 | "First RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n", |
| 946 | (int)dbm, priv->byBBVGANew, |
| 947 | priv->byBBVGACurrent, |
| 948 | (int)priv->uBBVGADiffCount); |
| 949 | } |
| 950 | |
| 951 | if (priv->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) { |
| 952 | dev_dbg(&priv->pcid->dev, |
| 953 | "RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n", |
| 954 | (int)dbm, priv->byBBVGANew, |
| 955 | priv->byBBVGACurrent, |
| 956 | (int)priv->uBBVGADiffCount); |
| 957 | |
| 958 | BBvSetVGAGainOffset(priv, priv->byBBVGANew); |
| 959 | } |
| 960 | } |
| 961 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 962 | static void vnt_interrupt_process(struct vnt_private *priv) |
Guillaume Clement | 84b5076 | 2014-07-25 01:06:18 +0200 | [diff] [blame] | 963 | { |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 964 | struct ieee80211_low_level_stats *low_stats = &priv->low_stats; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 965 | int max_count = 0; |
Malcolm Priestley | 700f6c0 | 2015-05-31 10:35:20 +0100 | [diff] [blame] | 966 | u32 mib_counter; |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 967 | u32 isr; |
Malcolm Priestley | 6cff1f6 | 2014-07-23 21:35:11 +0100 | [diff] [blame] | 968 | unsigned long flags; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 969 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 970 | MACvReadISR(priv->PortOffset, &isr); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 971 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 972 | if (isr == 0) |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 973 | return; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 974 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 975 | if (isr == 0xffffffff) { |
| 976 | pr_debug("isr = 0xffff\n"); |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 977 | return; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 978 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 979 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 980 | MACvIntDisable(priv->PortOffset); |
Malcolm Priestley | 6cff1f6 | 2014-07-23 21:35:11 +0100 | [diff] [blame] | 981 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 982 | spin_lock_irqsave(&priv->lock, flags); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 983 | |
Malcolm Priestley | 700f6c0 | 2015-05-31 10:35:20 +0100 | [diff] [blame] | 984 | /* Read low level stats */ |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 985 | MACvReadMIBCounter(priv->PortOffset, &mib_counter); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 986 | |
Malcolm Priestley | 700f6c0 | 2015-05-31 10:35:20 +0100 | [diff] [blame] | 987 | low_stats->dot11RTSSuccessCount += mib_counter & 0xff; |
| 988 | low_stats->dot11RTSFailureCount += (mib_counter >> 8) & 0xff; |
| 989 | low_stats->dot11ACKFailureCount += (mib_counter >> 16) & 0xff; |
| 990 | low_stats->dot11FCSErrorCount += (mib_counter >> 24) & 0xff; |
| 991 | |
Alex W Slater | bb72dd5 | 2015-02-26 20:09:26 +0000 | [diff] [blame] | 992 | /* |
| 993 | * TBD.... |
| 994 | * Must do this after doing rx/tx, cause ISR bit is slow |
| 995 | * than RD/TD write back |
| 996 | * update ISR counter |
| 997 | */ |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 998 | while (isr && priv->vif) { |
| 999 | MACvWriteISR(priv->PortOffset, isr); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1000 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1001 | if (isr & ISR_FETALERR) { |
Joe Perches | 48caf5a | 2014-08-17 09:17:04 -0700 | [diff] [blame] | 1002 | pr_debug(" ISR_FETALERR\n"); |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1003 | VNSvOutPortB(priv->PortOffset + MAC_REG_SOFTPWRCTL, 0); |
| 1004 | VNSvOutPortW(priv->PortOffset + |
| 1005 | MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPECTI); |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1006 | device_error(priv, isr); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1007 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1008 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1009 | if (isr & ISR_TBTT) { |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1010 | if (priv->op_mode != NL80211_IFTYPE_ADHOC) |
| 1011 | vnt_check_bb_vga(priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1012 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1013 | priv->bBeaconSent = false; |
| 1014 | if (priv->bEnablePSMode) |
| 1015 | PSbIsNextTBTTWakeUp((void *)priv); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1016 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1017 | if ((priv->op_mode == NL80211_IFTYPE_AP || |
| 1018 | priv->op_mode == NL80211_IFTYPE_ADHOC) && |
| 1019 | priv->vif->bss_conf.enable_beacon) { |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 1020 | MACvOneShotTimer1MicroSec(priv, |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1021 | (priv->vif->bss_conf.beacon_int - MAKE_BEACON_RESERVED) << 10); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1022 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1023 | |
Guido Martínez | 4e8a7e5 | 2014-04-19 16:44:59 -0300 | [diff] [blame] | 1024 | /* TODO: adhoc PS mode */ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1025 | |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1026 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1027 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1028 | if (isr & ISR_BNTX) { |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1029 | if (priv->op_mode == NL80211_IFTYPE_ADHOC) { |
| 1030 | priv->bIsBeaconBufReadySet = false; |
| 1031 | priv->cbBeaconBufReadySetCnt = 0; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1032 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1033 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1034 | priv->bBeaconSent = true; |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1035 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1036 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1037 | if (isr & ISR_RXDMA0) |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1038 | max_count += device_rx_srv(priv, TYPE_RXDMA0); |
Guido Martínez | bc5cf65 | 2014-04-19 16:45:00 -0300 | [diff] [blame] | 1039 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1040 | if (isr & ISR_RXDMA1) |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1041 | max_count += device_rx_srv(priv, TYPE_RXDMA1); |
Guido Martínez | bc5cf65 | 2014-04-19 16:45:00 -0300 | [diff] [blame] | 1042 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1043 | if (isr & ISR_TXDMA0) |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1044 | max_count += device_tx_srv(priv, TYPE_TXDMA0); |
Guido Martínez | bc5cf65 | 2014-04-19 16:45:00 -0300 | [diff] [blame] | 1045 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1046 | if (isr & ISR_AC0DMA) |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1047 | max_count += device_tx_srv(priv, TYPE_AC0DMA); |
Guido Martínez | bc5cf65 | 2014-04-19 16:45:00 -0300 | [diff] [blame] | 1048 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1049 | if (isr & ISR_SOFTTIMER1) { |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1050 | if (priv->vif->bss_conf.enable_beacon) |
| 1051 | vnt_beacon_make(priv, priv->vif); |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1052 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1053 | |
Malcolm Priestley | 54fbb2d | 2014-11-04 14:49:46 +0000 | [diff] [blame] | 1054 | /* If both buffers available wake the queue */ |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1055 | if (AVAIL_TD(priv, TYPE_TXDMA0) && |
| 1056 | AVAIL_TD(priv, TYPE_AC0DMA) && |
| 1057 | ieee80211_queue_stopped(priv->hw, 0)) |
| 1058 | ieee80211_wake_queues(priv->hw); |
Malcolm Priestley | 54fbb2d | 2014-11-04 14:49:46 +0000 | [diff] [blame] | 1059 | |
Malcolm Priestley | 41b9e5e | 2015-05-31 10:35:27 +0100 | [diff] [blame] | 1060 | MACvReadISR(priv->PortOffset, &isr); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1061 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1062 | MACvReceive0(priv->PortOffset); |
| 1063 | MACvReceive1(priv->PortOffset); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1064 | |
Malcolm Priestley | bc667b9 | 2015-10-17 11:33:01 +0100 | [diff] [blame] | 1065 | if (max_count > priv->opts.int_works) |
Joe Perches | 915006c | 2013-03-18 10:44:47 -0700 | [diff] [blame] | 1066 | break; |
| 1067 | } |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1068 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1069 | spin_unlock_irqrestore(&priv->lock, flags); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1070 | |
Malcolm Priestley | 2995dfe | 2015-05-31 10:35:26 +0100 | [diff] [blame] | 1071 | MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 1072 | } |
Malcolm Priestley | 6cff1f6 | 2014-07-23 21:35:11 +0100 | [diff] [blame] | 1073 | |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 1074 | static void vnt_interrupt_work(struct work_struct *work) |
| 1075 | { |
| 1076 | struct vnt_private *priv = |
| 1077 | container_of(work, struct vnt_private, interrupt_work); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1078 | |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 1079 | if (priv->vif) |
| 1080 | vnt_interrupt_process(priv); |
| 1081 | } |
| 1082 | |
| 1083 | static irqreturn_t vnt_interrupt(int irq, void *arg) |
| 1084 | { |
| 1085 | struct vnt_private *priv = arg; |
| 1086 | |
| 1087 | if (priv->vif) |
| 1088 | schedule_work(&priv->interrupt_work); |
| 1089 | |
| 1090 | return IRQ_HANDLED; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1091 | } |
| 1092 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1093 | static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb) |
| 1094 | { |
| 1095 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
Malcolm Priestley | e235727 | 2015-08-14 22:58:51 +0100 | [diff] [blame] | 1096 | struct vnt_tx_desc *head_td; |
Malcolm Priestley | c312530 | 2015-02-09 19:11:33 +0000 | [diff] [blame] | 1097 | u32 dma_idx; |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1098 | unsigned long flags; |
| 1099 | |
| 1100 | spin_lock_irqsave(&priv->lock, flags); |
| 1101 | |
Malcolm Priestley | c312530 | 2015-02-09 19:11:33 +0000 | [diff] [blame] | 1102 | if (ieee80211_is_data(hdr->frame_control)) |
| 1103 | dma_idx = TYPE_AC0DMA; |
| 1104 | else |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1105 | dma_idx = TYPE_TXDMA0; |
| 1106 | |
| 1107 | if (AVAIL_TD(priv, dma_idx) < 1) { |
| 1108 | spin_unlock_irqrestore(&priv->lock, flags); |
Malcolm Priestley | 113d6dc | 2015-09-27 09:17:39 +0100 | [diff] [blame] | 1109 | ieee80211_stop_queues(priv->hw); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1110 | return -ENOMEM; |
| 1111 | } |
| 1112 | |
| 1113 | head_td = priv->apCurrTD[dma_idx]; |
| 1114 | |
Malcolm Priestley | 9cc8eac | 2015-08-14 22:58:47 +0100 | [diff] [blame] | 1115 | head_td->td1.tcr = 0; |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1116 | |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 1117 | head_td->td_info->skb = skb; |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1118 | |
Malcolm Priestley | c312530 | 2015-02-09 19:11:33 +0000 | [diff] [blame] | 1119 | if (dma_idx == TYPE_AC0DMA) |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 1120 | head_td->td_info->flags = TD_FLAGS_NETIF_SKB; |
Malcolm Priestley | c312530 | 2015-02-09 19:11:33 +0000 | [diff] [blame] | 1121 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1122 | priv->apCurrTD[dma_idx] = head_td->next; |
| 1123 | |
| 1124 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1125 | |
| 1126 | vnt_generate_fifo_header(priv, dma_idx, head_td, skb); |
| 1127 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1128 | spin_lock_irqsave(&priv->lock, flags); |
| 1129 | |
| 1130 | priv->bPWBitOn = false; |
| 1131 | |
Malcolm Priestley | b574529 | 2014-12-21 12:56:34 +0000 | [diff] [blame] | 1132 | /* Set TSR1 & ReqCount in TxDescHead */ |
Malcolm Priestley | 9cc8eac | 2015-08-14 22:58:47 +0100 | [diff] [blame] | 1133 | head_td->td1.tcr |= (TCR_STP | TCR_EDP | EDMSDU); |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 1134 | head_td->td1.req_count = cpu_to_le16(head_td->td_info->req_count); |
Malcolm Priestley | b574529 | 2014-12-21 12:56:34 +0000 | [diff] [blame] | 1135 | |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 1136 | head_td->buff_addr = cpu_to_le32(head_td->td_info->buf_dma); |
Malcolm Priestley | 187e2a8 | 2015-02-01 11:59:38 +0000 | [diff] [blame] | 1137 | |
Malcolm Priestley | d65d2b25 | 2015-04-21 22:33:00 +0100 | [diff] [blame] | 1138 | /* Poll Transmit the adapter */ |
| 1139 | wmb(); |
Malcolm Priestley | 5235ff6 | 2015-08-14 22:58:46 +0100 | [diff] [blame] | 1140 | head_td->td0.owner = OWNED_BY_NIC; |
Malcolm Priestley | d65d2b25 | 2015-04-21 22:33:00 +0100 | [diff] [blame] | 1141 | wmb(); /* second memory barrier */ |
| 1142 | |
Malcolm Priestley | 5438285 | 2015-08-14 22:58:50 +0100 | [diff] [blame] | 1143 | if (head_td->td_info->flags & TD_FLAGS_NETIF_SKB) |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1144 | MACvTransmitAC0(priv->PortOffset); |
Malcolm Priestley | c312530 | 2015-02-09 19:11:33 +0000 | [diff] [blame] | 1145 | else |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1146 | MACvTransmit0(priv->PortOffset); |
| 1147 | |
Malcolm Priestley | d65d2b25 | 2015-04-21 22:33:00 +0100 | [diff] [blame] | 1148 | priv->iTDUsed[dma_idx]++; |
| 1149 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1150 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1151 | |
| 1152 | return 0; |
| 1153 | } |
| 1154 | |
| 1155 | static void vnt_tx_80211(struct ieee80211_hw *hw, |
| 1156 | struct ieee80211_tx_control *control, |
| 1157 | struct sk_buff *skb) |
| 1158 | { |
| 1159 | struct vnt_private *priv = hw->priv; |
| 1160 | |
Malcolm Priestley | 113d6dc | 2015-09-27 09:17:39 +0100 | [diff] [blame] | 1161 | if (vnt_tx_packet(priv, skb)) |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1162 | ieee80211_free_txskb(hw, skb); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1163 | } |
| 1164 | |
| 1165 | static int vnt_start(struct ieee80211_hw *hw) |
| 1166 | { |
| 1167 | struct vnt_private *priv = hw->priv; |
| 1168 | int ret; |
| 1169 | |
| 1170 | priv->rx_buf_sz = PKT_BUF_SZ; |
| 1171 | if (!device_init_rings(priv)) |
| 1172 | return -ENOMEM; |
| 1173 | |
Sandhya Bankar | 50aefc1 | 2016-03-06 12:43:27 +0530 | [diff] [blame] | 1174 | ret = request_irq(priv->pcid->irq, vnt_interrupt, |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1175 | IRQF_SHARED, "vt6655", priv); |
| 1176 | if (ret) { |
| 1177 | dev_dbg(&priv->pcid->dev, "failed to start irq\n"); |
| 1178 | return ret; |
| 1179 | } |
| 1180 | |
| 1181 | dev_dbg(&priv->pcid->dev, "call device init rd0 ring\n"); |
| 1182 | device_init_rd0_ring(priv); |
| 1183 | device_init_rd1_ring(priv); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1184 | device_init_td0_ring(priv); |
| 1185 | device_init_td1_ring(priv); |
| 1186 | |
| 1187 | device_init_registers(priv); |
| 1188 | |
| 1189 | dev_dbg(&priv->pcid->dev, "call MACvIntEnable\n"); |
| 1190 | MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); |
| 1191 | |
| 1192 | ieee80211_wake_queues(hw); |
| 1193 | |
| 1194 | return 0; |
| 1195 | } |
| 1196 | |
| 1197 | static void vnt_stop(struct ieee80211_hw *hw) |
| 1198 | { |
| 1199 | struct vnt_private *priv = hw->priv; |
| 1200 | |
| 1201 | ieee80211_stop_queues(hw); |
| 1202 | |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 1203 | cancel_work_sync(&priv->interrupt_work); |
| 1204 | |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 1205 | MACbShutdown(priv); |
| 1206 | MACbSoftwareReset(priv); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1207 | CARDbRadioPowerOff(priv); |
| 1208 | |
| 1209 | device_free_td0_ring(priv); |
| 1210 | device_free_td1_ring(priv); |
| 1211 | device_free_rd0_ring(priv); |
| 1212 | device_free_rd1_ring(priv); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1213 | device_free_rings(priv); |
| 1214 | |
| 1215 | free_irq(priv->pcid->irq, priv); |
| 1216 | } |
| 1217 | |
| 1218 | static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1219 | { |
| 1220 | struct vnt_private *priv = hw->priv; |
| 1221 | |
| 1222 | priv->vif = vif; |
| 1223 | |
| 1224 | switch (vif->type) { |
| 1225 | case NL80211_IFTYPE_STATION: |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1226 | break; |
| 1227 | case NL80211_IFTYPE_ADHOC: |
| 1228 | MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST); |
| 1229 | |
| 1230 | MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC); |
| 1231 | |
| 1232 | break; |
| 1233 | case NL80211_IFTYPE_AP: |
| 1234 | MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST); |
| 1235 | |
| 1236 | MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP); |
| 1237 | |
| 1238 | break; |
| 1239 | default: |
| 1240 | return -EOPNOTSUPP; |
| 1241 | } |
| 1242 | |
| 1243 | priv->op_mode = vif->type; |
| 1244 | |
| 1245 | return 0; |
| 1246 | } |
| 1247 | |
| 1248 | static void vnt_remove_interface(struct ieee80211_hw *hw, |
| 1249 | struct ieee80211_vif *vif) |
| 1250 | { |
| 1251 | struct vnt_private *priv = hw->priv; |
| 1252 | |
| 1253 | switch (vif->type) { |
| 1254 | case NL80211_IFTYPE_STATION: |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1255 | break; |
| 1256 | case NL80211_IFTYPE_ADHOC: |
| 1257 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX); |
| 1258 | MACvRegBitsOff(priv->PortOffset, |
| 1259 | MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
| 1260 | MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC); |
| 1261 | break; |
| 1262 | case NL80211_IFTYPE_AP: |
| 1263 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX); |
| 1264 | MACvRegBitsOff(priv->PortOffset, |
| 1265 | MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
| 1266 | MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP); |
| 1267 | break; |
| 1268 | default: |
| 1269 | break; |
| 1270 | } |
| 1271 | |
| 1272 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 1273 | } |
| 1274 | |
| 1275 | |
| 1276 | static int vnt_config(struct ieee80211_hw *hw, u32 changed) |
| 1277 | { |
| 1278 | struct vnt_private *priv = hw->priv; |
| 1279 | struct ieee80211_conf *conf = &hw->conf; |
| 1280 | u8 bb_type; |
| 1281 | |
| 1282 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
| 1283 | if (conf->flags & IEEE80211_CONF_PS) |
| 1284 | PSvEnablePowerSaving(priv, conf->listen_interval); |
| 1285 | else |
| 1286 | PSvDisablePowerSaving(priv); |
| 1287 | } |
| 1288 | |
| 1289 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || |
| 1290 | (conf->flags & IEEE80211_CONF_OFFCHANNEL)) { |
Malcolm Priestley | d7a4cfa | 2015-01-19 18:24:10 +0000 | [diff] [blame] | 1291 | set_channel(priv, conf->chandef.chan); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1292 | |
Johannes Berg | 57fbcce | 2016-04-12 15:56:15 +0200 | [diff] [blame] | 1293 | if (conf->chandef.chan->band == NL80211_BAND_5GHZ) |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1294 | bb_type = BB_TYPE_11A; |
| 1295 | else |
| 1296 | bb_type = BB_TYPE_11G; |
| 1297 | |
| 1298 | if (priv->byBBType != bb_type) { |
| 1299 | priv->byBBType = bb_type; |
| 1300 | |
Malcolm Priestley | bfb6c86 | 2014-11-07 19:06:06 +0000 | [diff] [blame] | 1301 | CARDbSetPhyParameter(priv, priv->byBBType); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1302 | } |
| 1303 | } |
| 1304 | |
| 1305 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| 1306 | if (priv->byBBType == BB_TYPE_11B) |
| 1307 | priv->wCurrentRate = RATE_1M; |
| 1308 | else |
| 1309 | priv->wCurrentRate = RATE_54M; |
| 1310 | |
| 1311 | RFbSetPower(priv, priv->wCurrentRate, |
| 1312 | conf->chandef.chan->hw_value); |
| 1313 | } |
| 1314 | |
| 1315 | return 0; |
| 1316 | } |
| 1317 | |
| 1318 | static void vnt_bss_info_changed(struct ieee80211_hw *hw, |
| 1319 | struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf, |
| 1320 | u32 changed) |
| 1321 | { |
| 1322 | struct vnt_private *priv = hw->priv; |
| 1323 | |
| 1324 | priv->current_aid = conf->aid; |
| 1325 | |
Malcolm Priestley | 8e8e919 | 2015-07-09 17:01:24 +0100 | [diff] [blame] | 1326 | if (changed & BSS_CHANGED_BSSID && conf->bssid) { |
Malcolm Priestley | 664a5c1 | 2015-04-21 22:33:02 +0100 | [diff] [blame] | 1327 | unsigned long flags; |
| 1328 | |
| 1329 | spin_lock_irqsave(&priv->lock, flags); |
| 1330 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1331 | MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid); |
| 1332 | |
Malcolm Priestley | 664a5c1 | 2015-04-21 22:33:02 +0100 | [diff] [blame] | 1333 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1334 | } |
| 1335 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1336 | if (changed & BSS_CHANGED_BASIC_RATES) { |
| 1337 | priv->basic_rates = conf->basic_rates; |
| 1338 | |
| 1339 | CARDvUpdateBasicTopRate(priv); |
| 1340 | |
| 1341 | dev_dbg(&priv->pcid->dev, |
| 1342 | "basic rates %x\n", conf->basic_rates); |
| 1343 | } |
| 1344 | |
| 1345 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 1346 | if (conf->use_short_preamble) { |
| 1347 | MACvEnableBarkerPreambleMd(priv->PortOffset); |
| 1348 | priv->byPreambleType = true; |
| 1349 | } else { |
| 1350 | MACvDisableBarkerPreambleMd(priv->PortOffset); |
| 1351 | priv->byPreambleType = false; |
| 1352 | } |
| 1353 | } |
| 1354 | |
| 1355 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 1356 | if (conf->use_cts_prot) |
| 1357 | MACvEnableProtectMD(priv->PortOffset); |
| 1358 | else |
| 1359 | MACvDisableProtectMD(priv->PortOffset); |
| 1360 | } |
| 1361 | |
| 1362 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1363 | if (conf->use_short_slot) |
| 1364 | priv->bShortSlotTime = true; |
| 1365 | else |
| 1366 | priv->bShortSlotTime = false; |
| 1367 | |
Malcolm Priestley | bfb6c86 | 2014-11-07 19:06:06 +0000 | [diff] [blame] | 1368 | CARDbSetPhyParameter(priv, priv->byBBType); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1369 | BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]); |
| 1370 | } |
| 1371 | |
| 1372 | if (changed & BSS_CHANGED_TXPOWER) |
| 1373 | RFbSetPower(priv, priv->wCurrentRate, |
| 1374 | conf->chandef.chan->hw_value); |
| 1375 | |
| 1376 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
| 1377 | dev_dbg(&priv->pcid->dev, |
| 1378 | "Beacon enable %d\n", conf->enable_beacon); |
| 1379 | |
| 1380 | if (conf->enable_beacon) { |
| 1381 | vnt_beacon_enable(priv, vif, conf); |
| 1382 | |
Mike Krinkin | 84c00af | 2014-12-21 16:56:47 +0300 | [diff] [blame] | 1383 | MACvRegBitsOn(priv->PortOffset, MAC_REG_TCR, |
| 1384 | TCR_AUTOBCNTX); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1385 | } else { |
Mike Krinkin | 84c00af | 2014-12-21 16:56:47 +0300 | [diff] [blame] | 1386 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, |
| 1387 | TCR_AUTOBCNTX); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1388 | } |
| 1389 | } |
| 1390 | |
Malcolm Priestley | 1f17124 | 2015-08-02 12:34:46 +0100 | [diff] [blame] | 1391 | if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && |
| 1392 | priv->op_mode != NL80211_IFTYPE_AP) { |
| 1393 | if (conf->assoc && conf->beacon_rate) { |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1394 | CARDbUpdateTSF(priv, conf->beacon_rate->hw_value, |
Malcolm Priestley | 032ed34 | 2015-04-21 22:33:01 +0100 | [diff] [blame] | 1395 | conf->sync_tsf); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1396 | |
| 1397 | CARDbSetBeaconPeriod(priv, conf->beacon_int); |
| 1398 | |
Malcolm Priestley | 738487f | 2014-11-12 21:11:09 +0000 | [diff] [blame] | 1399 | CARDvSetFirstNextTBTT(priv, conf->beacon_int); |
Malcolm Priestley | c7b14ea | 2014-10-29 17:44:09 +0000 | [diff] [blame] | 1400 | } else { |
| 1401 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, |
| 1402 | TFTCTL_TSFCNTRST); |
| 1403 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, |
| 1404 | TFTCTL_TSFCNTREN); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1405 | } |
| 1406 | } |
| 1407 | } |
| 1408 | |
| 1409 | static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, |
| 1410 | struct netdev_hw_addr_list *mc_list) |
| 1411 | { |
| 1412 | struct vnt_private *priv = hw->priv; |
| 1413 | struct netdev_hw_addr *ha; |
| 1414 | u64 mc_filter = 0; |
| 1415 | u32 bit_nr = 0; |
| 1416 | |
| 1417 | netdev_hw_addr_list_for_each(ha, mc_list) { |
| 1418 | bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; |
| 1419 | |
| 1420 | mc_filter |= 1ULL << (bit_nr & 0x3f); |
| 1421 | } |
| 1422 | |
| 1423 | priv->mc_list_count = mc_list->count; |
| 1424 | |
| 1425 | return mc_filter; |
| 1426 | } |
| 1427 | |
| 1428 | static void vnt_configure(struct ieee80211_hw *hw, |
| 1429 | unsigned int changed_flags, unsigned int *total_flags, u64 multicast) |
| 1430 | { |
| 1431 | struct vnt_private *priv = hw->priv; |
| 1432 | u8 rx_mode = 0; |
| 1433 | |
Johannes Berg | df14046 | 2015-04-22 14:40:58 +0200 | [diff] [blame] | 1434 | *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC; |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1435 | |
| 1436 | VNSvInPortB(priv->PortOffset + MAC_REG_RCR, &rx_mode); |
| 1437 | |
| 1438 | dev_dbg(&priv->pcid->dev, "rx mode in = %x\n", rx_mode); |
| 1439 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1440 | if (changed_flags & FIF_ALLMULTI) { |
| 1441 | if (*total_flags & FIF_ALLMULTI) { |
Malcolm Priestley | 95775d1 | 2015-01-11 10:26:12 +0000 | [diff] [blame] | 1442 | unsigned long flags; |
| 1443 | |
| 1444 | spin_lock_irqsave(&priv->lock, flags); |
| 1445 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1446 | if (priv->mc_list_count > 2) { |
| 1447 | MACvSelectPage1(priv->PortOffset); |
| 1448 | |
| 1449 | VNSvOutPortD(priv->PortOffset + |
| 1450 | MAC_REG_MAR0, 0xffffffff); |
| 1451 | VNSvOutPortD(priv->PortOffset + |
| 1452 | MAC_REG_MAR0 + 4, 0xffffffff); |
| 1453 | |
| 1454 | MACvSelectPage0(priv->PortOffset); |
| 1455 | } else { |
| 1456 | MACvSelectPage1(priv->PortOffset); |
| 1457 | |
| 1458 | VNSvOutPortD(priv->PortOffset + |
| 1459 | MAC_REG_MAR0, (u32)multicast); |
| 1460 | VNSvOutPortD(priv->PortOffset + |
| 1461 | MAC_REG_MAR0 + 4, |
| 1462 | (u32)(multicast >> 32)); |
| 1463 | |
| 1464 | MACvSelectPage0(priv->PortOffset); |
| 1465 | } |
| 1466 | |
Malcolm Priestley | 95775d1 | 2015-01-11 10:26:12 +0000 | [diff] [blame] | 1467 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1468 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1469 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; |
| 1470 | } else { |
| 1471 | rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST); |
| 1472 | } |
| 1473 | } |
| 1474 | |
| 1475 | if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) { |
| 1476 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; |
| 1477 | |
| 1478 | if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) |
| 1479 | rx_mode &= ~RCR_BSSID; |
| 1480 | else |
| 1481 | rx_mode |= RCR_BSSID; |
| 1482 | } |
| 1483 | |
| 1484 | VNSvOutPortB(priv->PortOffset + MAC_REG_RCR, rx_mode); |
| 1485 | |
| 1486 | dev_dbg(&priv->pcid->dev, "rx mode out= %x\n", rx_mode); |
| 1487 | } |
| 1488 | |
| 1489 | static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 1490 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 1491 | struct ieee80211_key_conf *key) |
| 1492 | { |
| 1493 | struct vnt_private *priv = hw->priv; |
| 1494 | |
| 1495 | switch (cmd) { |
| 1496 | case SET_KEY: |
| 1497 | if (vnt_set_keys(hw, sta, vif, key)) |
| 1498 | return -EOPNOTSUPP; |
| 1499 | break; |
| 1500 | case DISABLE_KEY: |
| 1501 | if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) |
| 1502 | clear_bit(key->hw_key_idx, &priv->key_entry_inuse); |
| 1503 | default: |
| 1504 | break; |
| 1505 | } |
| 1506 | |
| 1507 | return 0; |
| 1508 | } |
| 1509 | |
Malcolm Priestley | 700f6c0 | 2015-05-31 10:35:20 +0100 | [diff] [blame] | 1510 | static int vnt_get_stats(struct ieee80211_hw *hw, |
| 1511 | struct ieee80211_low_level_stats *stats) |
| 1512 | { |
| 1513 | struct vnt_private *priv = hw->priv; |
| 1514 | |
| 1515 | memcpy(stats, &priv->low_stats, sizeof(*stats)); |
| 1516 | |
| 1517 | return 0; |
| 1518 | } |
| 1519 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1520 | static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1521 | { |
| 1522 | struct vnt_private *priv = hw->priv; |
| 1523 | u64 tsf; |
| 1524 | |
Malcolm Priestley | 738487f | 2014-11-12 21:11:09 +0000 | [diff] [blame] | 1525 | CARDbGetCurrentTSF(priv, &tsf); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1526 | |
| 1527 | return tsf; |
| 1528 | } |
| 1529 | |
| 1530 | static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1531 | u64 tsf) |
| 1532 | { |
| 1533 | struct vnt_private *priv = hw->priv; |
| 1534 | |
Malcolm Priestley | 738487f | 2014-11-12 21:11:09 +0000 | [diff] [blame] | 1535 | CARDvUpdateNextTBTT(priv, tsf, vif->bss_conf.beacon_int); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1536 | } |
| 1537 | |
| 1538 | static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1539 | { |
| 1540 | struct vnt_private *priv = hw->priv; |
| 1541 | |
| 1542 | /* reset TSF counter */ |
| 1543 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); |
| 1544 | } |
| 1545 | |
| 1546 | static const struct ieee80211_ops vnt_mac_ops = { |
| 1547 | .tx = vnt_tx_80211, |
| 1548 | .start = vnt_start, |
| 1549 | .stop = vnt_stop, |
| 1550 | .add_interface = vnt_add_interface, |
| 1551 | .remove_interface = vnt_remove_interface, |
| 1552 | .config = vnt_config, |
| 1553 | .bss_info_changed = vnt_bss_info_changed, |
| 1554 | .prepare_multicast = vnt_prepare_multicast, |
| 1555 | .configure_filter = vnt_configure, |
| 1556 | .set_key = vnt_set_key, |
Malcolm Priestley | 700f6c0 | 2015-05-31 10:35:20 +0100 | [diff] [blame] | 1557 | .get_stats = vnt_get_stats, |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1558 | .get_tsf = vnt_get_tsf, |
| 1559 | .set_tsf = vnt_set_tsf, |
| 1560 | .reset_tsf = vnt_reset_tsf, |
| 1561 | }; |
| 1562 | |
Sören Brinkmann | b7c9cd4 | 2014-12-04 20:33:41 -0800 | [diff] [blame] | 1563 | static int vnt_init(struct vnt_private *priv) |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1564 | { |
| 1565 | SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyCurrentNetAddr); |
| 1566 | |
Malcolm Priestley | 3d75b9e | 2014-10-29 17:43:44 +0000 | [diff] [blame] | 1567 | vnt_init_bands(priv); |
| 1568 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1569 | if (ieee80211_register_hw(priv->hw)) |
| 1570 | return -ENODEV; |
| 1571 | |
| 1572 | priv->mac_hw = true; |
| 1573 | |
| 1574 | CARDbRadioPowerOff(priv); |
| 1575 | |
| 1576 | return 0; |
| 1577 | } |
| 1578 | |
| 1579 | static int |
| 1580 | vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent) |
| 1581 | { |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1582 | struct vnt_private *priv; |
| 1583 | struct ieee80211_hw *hw; |
| 1584 | struct wiphy *wiphy; |
| 1585 | int rc; |
| 1586 | |
| 1587 | dev_notice(&pcid->dev, |
| 1588 | "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION); |
| 1589 | |
| 1590 | dev_notice(&pcid->dev, |
| 1591 | "Copyright (c) 2003 VIA Networking Technologies, Inc.\n"); |
| 1592 | |
| 1593 | hw = ieee80211_alloc_hw(sizeof(*priv), &vnt_mac_ops); |
| 1594 | if (!hw) { |
| 1595 | dev_err(&pcid->dev, "could not register ieee80211_hw\n"); |
| 1596 | return -ENOMEM; |
| 1597 | } |
| 1598 | |
| 1599 | priv = hw->priv; |
Malcolm Priestley | f317982 | 2015-09-12 19:10:33 +0100 | [diff] [blame] | 1600 | priv->pcid = pcid; |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1601 | |
Malcolm Priestley | f317982 | 2015-09-12 19:10:33 +0100 | [diff] [blame] | 1602 | spin_lock_init(&priv->lock); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1603 | |
| 1604 | priv->hw = hw; |
| 1605 | |
| 1606 | SET_IEEE80211_DEV(priv->hw, &pcid->dev); |
| 1607 | |
| 1608 | if (pci_enable_device(pcid)) { |
| 1609 | device_free_info(priv); |
| 1610 | return -ENODEV; |
| 1611 | } |
| 1612 | |
| 1613 | dev_dbg(&pcid->dev, |
| 1614 | "Before get pci_info memaddr is %x\n", priv->memaddr); |
| 1615 | |
Malcolm Priestley | a03b8b3 | 2015-09-12 19:10:38 +0100 | [diff] [blame] | 1616 | pci_set_master(pcid); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1617 | |
Malcolm Priestley | a03b8b3 | 2015-09-12 19:10:38 +0100 | [diff] [blame] | 1618 | priv->memaddr = pci_resource_start(pcid, 0); |
| 1619 | priv->ioaddr = pci_resource_start(pcid, 1); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1620 | priv->PortOffset = ioremap(priv->memaddr & PCI_BASE_ADDRESS_MEM_MASK, |
Malcolm Priestley | 319755a | 2015-09-12 19:10:30 +0100 | [diff] [blame] | 1621 | 256); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1622 | if (!priv->PortOffset) { |
| 1623 | dev_err(&pcid->dev, ": Failed to IO remapping ..\n"); |
| 1624 | device_free_info(priv); |
| 1625 | return -ENODEV; |
| 1626 | } |
| 1627 | |
| 1628 | rc = pci_request_regions(pcid, DEVICE_NAME); |
| 1629 | if (rc) { |
| 1630 | dev_err(&pcid->dev, ": Failed to find PCI device\n"); |
| 1631 | device_free_info(priv); |
| 1632 | return -ENODEV; |
| 1633 | } |
| 1634 | |
Malcolm Priestley | d5806c5 | 2015-07-22 19:16:45 +0100 | [diff] [blame] | 1635 | if (dma_set_mask(&pcid->dev, DMA_BIT_MASK(32))) { |
| 1636 | dev_err(&pcid->dev, ": Failed to set dma 32 bit mask\n"); |
| 1637 | device_free_info(priv); |
| 1638 | return -ENODEV; |
| 1639 | } |
| 1640 | |
Malcolm Priestley | ff1ce1a | 2015-05-31 10:35:24 +0100 | [diff] [blame] | 1641 | INIT_WORK(&priv->interrupt_work, vnt_interrupt_work); |
| 1642 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1643 | /* do reset */ |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 1644 | if (!MACbSoftwareReset(priv)) { |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1645 | dev_err(&pcid->dev, ": Failed to access MAC hardware..\n"); |
| 1646 | device_free_info(priv); |
| 1647 | return -ENODEV; |
| 1648 | } |
| 1649 | /* initial to reload eeprom */ |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 1650 | MACvInitialize(priv); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1651 | MACvReadEtherAddress(priv->PortOffset, priv->abyCurrentNetAddr); |
| 1652 | |
Malcolm Priestley | 1f51d58 | 2015-03-07 17:04:55 +0000 | [diff] [blame] | 1653 | /* Get RFType */ |
| 1654 | priv->byRFType = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_RFTYPE); |
| 1655 | priv->byRFType &= RF_MASK; |
| 1656 | |
| 1657 | dev_dbg(&pcid->dev, "RF Type = %x\n", priv->byRFType); |
| 1658 | |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1659 | device_get_options(priv); |
| 1660 | device_set_options(priv); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1661 | |
| 1662 | wiphy = priv->hw->wiphy; |
| 1663 | |
| 1664 | wiphy->frag_threshold = FRAG_THRESH_DEF; |
| 1665 | wiphy->rts_threshold = RTS_THRESH_DEF; |
| 1666 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 1667 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
| 1668 | |
Johannes Berg | 30686bf | 2015-06-02 21:39:54 +0200 | [diff] [blame] | 1669 | ieee80211_hw_set(priv->hw, TIMING_BEACON_ONLY); |
| 1670 | ieee80211_hw_set(priv->hw, SIGNAL_DBM); |
| 1671 | ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS); |
| 1672 | ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS); |
Malcolm Priestley | eda01f6 | 2015-07-09 17:01:25 +0100 | [diff] [blame] | 1673 | ieee80211_hw_set(priv->hw, SUPPORTS_PS); |
Malcolm Priestley | 67013f2 | 2014-10-29 17:43:43 +0000 | [diff] [blame] | 1674 | |
| 1675 | priv->hw->max_signal = 100; |
| 1676 | |
| 1677 | if (vnt_init(priv)) |
| 1678 | return -ENODEV; |
| 1679 | |
| 1680 | device_print_info(priv); |
| 1681 | pci_set_drvdata(pcid, priv); |
| 1682 | |
| 1683 | return 0; |
| 1684 | } |
| 1685 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1686 | /*------------------------------------------------------------------*/ |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1687 | |
Malcolm Priestley | 000fe0f | 2014-10-29 17:43:45 +0000 | [diff] [blame] | 1688 | #ifdef CONFIG_PM |
| 1689 | static int vt6655_suspend(struct pci_dev *pcid, pm_message_t state) |
| 1690 | { |
| 1691 | struct vnt_private *priv = pci_get_drvdata(pcid); |
| 1692 | unsigned long flags; |
| 1693 | |
| 1694 | spin_lock_irqsave(&priv->lock, flags); |
| 1695 | |
| 1696 | pci_save_state(pcid); |
| 1697 | |
Malcolm Priestley | f9f853a | 2015-11-22 09:07:22 +0000 | [diff] [blame] | 1698 | MACbShutdown(priv); |
Malcolm Priestley | 000fe0f | 2014-10-29 17:43:45 +0000 | [diff] [blame] | 1699 | |
| 1700 | pci_disable_device(pcid); |
| 1701 | pci_set_power_state(pcid, pci_choose_state(pcid, state)); |
| 1702 | |
| 1703 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1704 | |
| 1705 | return 0; |
| 1706 | } |
| 1707 | |
| 1708 | static int vt6655_resume(struct pci_dev *pcid) |
| 1709 | { |
| 1710 | |
| 1711 | pci_set_power_state(pcid, PCI_D0); |
| 1712 | pci_enable_wake(pcid, PCI_D0, 0); |
| 1713 | pci_restore_state(pcid); |
| 1714 | |
| 1715 | return 0; |
| 1716 | } |
| 1717 | #endif |
| 1718 | |
Charles Clément | 013a468 | 2010-06-15 10:39:24 -0700 | [diff] [blame] | 1719 | MODULE_DEVICE_TABLE(pci, vt6655_pci_id_table); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1720 | |
| 1721 | static struct pci_driver device_driver = { |
Peter Huewe | 34381c2 | 2011-01-10 23:28:06 +0100 | [diff] [blame] | 1722 | .name = DEVICE_NAME, |
| 1723 | .id_table = vt6655_pci_id_table, |
| 1724 | .probe = vt6655_probe, |
| 1725 | .remove = vt6655_remove, |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1726 | #ifdef CONFIG_PM |
Malcolm Priestley | 000fe0f | 2014-10-29 17:43:45 +0000 | [diff] [blame] | 1727 | .suspend = vt6655_suspend, |
| 1728 | .resume = vt6655_resume, |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1729 | #endif |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 1730 | }; |
| 1731 | |
Malcolm Priestley | e75e8ca | 2015-06-16 23:43:12 +0100 | [diff] [blame] | 1732 | module_pci_driver(device_driver); |