Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file contains the major functions in WLAN |
| 3 | * driver. It includes init, exit, open, close and main |
| 4 | * thread etc.. |
| 5 | */ |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 6 | |
Holger Schurig | a46c641 | 2007-05-25 11:32:07 -0400 | [diff] [blame] | 7 | #include <linux/moduleparam.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 8 | #include <linux/delay.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 9 | #include <linux/etherdevice.h> |
| 10 | #include <linux/netdevice.h> |
| 11 | #include <linux/if_arp.h> |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 12 | #include <linux/kthread.h> |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 13 | #include <linux/kfifo.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 14 | #include <linux/slab.h> |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 15 | #include <net/cfg80211.h> |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 16 | |
| 17 | #include "host.h" |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 18 | #include "decl.h" |
| 19 | #include "dev.h" |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 20 | #include "cfg.h" |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 21 | #include "debugfs.h" |
Dan Williams | 6e66f03 | 2007-12-11 12:42:16 -0500 | [diff] [blame] | 22 | #include "cmd.h" |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 23 | |
Dan Williams | 7856a54 | 2007-08-03 09:43:03 -0400 | [diff] [blame] | 24 | #define DRIVER_RELEASE_VERSION "323.p0" |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 25 | const char lbs_driver_version[] = "COMM-USB8388-" DRIVER_RELEASE_VERSION |
Dan Williams | 3ce4023 | 2007-05-10 23:03:07 -0400 | [diff] [blame] | 26 | #ifdef DEBUG |
| 27 | "-dbg" |
| 28 | #endif |
| 29 | ""; |
| 30 | |
Holger Schurig | a46c641 | 2007-05-25 11:32:07 -0400 | [diff] [blame] | 31 | |
| 32 | /* Module parameters */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 33 | unsigned int lbs_debug; |
| 34 | EXPORT_SYMBOL_GPL(lbs_debug); |
| 35 | module_param_named(libertas_debug, lbs_debug, int, 0644); |
Holger Schurig | a46c641 | 2007-05-25 11:32:07 -0400 | [diff] [blame] | 36 | |
| 37 | |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 38 | /* |
| 39 | * This global structure is used to send the confirm_sleep command as |
| 40 | * fast as possible down to the firmware. |
| 41 | */ |
Holger Schurig | f539f2e | 2008-03-26 13:22:11 +0100 | [diff] [blame] | 42 | struct cmd_confirm_sleep confirm_sleep; |
| 43 | |
| 44 | |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 45 | /* |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 46 | * the table to keep region code |
| 47 | */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 48 | u16 lbs_region_code_to_index[MRVDRV_MAX_REGION_CODE] = |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 49 | { 0x10, 0x20, 0x30, 0x31, 0x32, 0x40 }; |
| 50 | |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 51 | /* |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 52 | * FW rate table. FW refers to rates by their index in this table, not by the |
| 53 | * rate value itself. Values of 0x00 are |
| 54 | * reserved positions. |
| 55 | */ |
| 56 | static u8 fw_data_rates[MAX_RATES] = |
| 57 | { 0x02, 0x04, 0x0B, 0x16, 0x00, 0x0C, 0x12, |
| 58 | 0x18, 0x24, 0x30, 0x48, 0x60, 0x6C, 0x00 |
| 59 | }; |
| 60 | |
| 61 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 62 | * lbs_fw_index_to_data_rate - use index to get the data rate |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 63 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 64 | * @idx: The index of data rate |
| 65 | * returns: data rate or 0 |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 66 | */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 67 | u32 lbs_fw_index_to_data_rate(u8 idx) |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 68 | { |
| 69 | if (idx >= sizeof(fw_data_rates)) |
| 70 | idx = 0; |
| 71 | return fw_data_rates[idx]; |
| 72 | } |
| 73 | |
| 74 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 75 | * lbs_data_rate_to_fw_index - use rate to get the index |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 76 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 77 | * @rate: data rate |
| 78 | * returns: index or 0 |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 79 | */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 80 | u8 lbs_data_rate_to_fw_index(u32 rate) |
Dan Williams | 8c51276 | 2007-08-02 11:40:45 -0400 | [diff] [blame] | 81 | { |
| 82 | u8 i; |
| 83 | |
| 84 | if (!rate) |
| 85 | return 0; |
| 86 | |
| 87 | for (i = 0; i < sizeof(fw_data_rates); i++) { |
| 88 | if (rate == fw_data_rates[i]) |
| 89 | return i; |
| 90 | } |
| 91 | return 0; |
| 92 | } |
| 93 | |
Anna Neal | 6fb5325 | 2008-12-09 13:23:45 -0800 | [diff] [blame] | 94 | |
David Woodhouse | 23a397a | 2007-12-11 18:56:42 -0500 | [diff] [blame] | 95 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 96 | * lbs_dev_open - open the ethX interface |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 97 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 98 | * @dev: A pointer to &net_device structure |
| 99 | * returns: 0 or -EBUSY if monitor mode active |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 100 | */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 101 | static int lbs_dev_open(struct net_device *dev) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 102 | { |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 103 | struct lbs_private *priv = dev->ml_priv; |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 104 | int ret = 0; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 105 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 106 | lbs_deb_enter(LBS_DEB_NET); |
| 107 | |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 108 | spin_lock_irq(&priv->driver_lock); |
Daniel Drake | 2e30168 | 2010-11-04 21:21:52 +0000 | [diff] [blame] | 109 | priv->stopping = false; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 110 | |
Holger Schurig | e0e42da | 2009-11-25 13:10:15 +0100 | [diff] [blame] | 111 | if (priv->connect_status == LBS_CONNECTED) |
| 112 | netif_carrier_on(dev); |
| 113 | else |
| 114 | netif_carrier_off(dev); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 115 | |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 116 | if (!priv->tx_pending_len) |
| 117 | netif_wake_queue(dev); |
Brajesh Dave | 01d77d8 | 2007-11-20 17:44:14 -0500 | [diff] [blame] | 118 | |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 119 | spin_unlock_irq(&priv->driver_lock); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 120 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 121 | return ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 125 | * lbs_eth_stop - close the ethX interface |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 126 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 127 | * @dev: A pointer to &net_device structure |
| 128 | * returns: 0 |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 129 | */ |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 130 | static int lbs_eth_stop(struct net_device *dev) |
Holger Schurig | 78523da | 2007-05-25 11:49:19 -0400 | [diff] [blame] | 131 | { |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 132 | struct lbs_private *priv = dev->ml_priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 133 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 134 | lbs_deb_enter(LBS_DEB_NET); |
| 135 | |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 136 | spin_lock_irq(&priv->driver_lock); |
Daniel Drake | 2e30168 | 2010-11-04 21:21:52 +0000 | [diff] [blame] | 137 | priv->stopping = true; |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 138 | netif_stop_queue(dev); |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 139 | spin_unlock_irq(&priv->driver_lock); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 140 | |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 141 | schedule_work(&priv->mcast_work); |
Daniel Drake | 2e30168 | 2010-11-04 21:21:52 +0000 | [diff] [blame] | 142 | cancel_delayed_work_sync(&priv->scan_work); |
| 143 | if (priv->scan_req) { |
| 144 | cfg80211_scan_done(priv->scan_req, false); |
| 145 | priv->scan_req = NULL; |
| 146 | } |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 147 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 148 | lbs_deb_leave(LBS_DEB_NET); |
David Woodhouse | 8552855 | 2007-12-10 16:38:18 -0500 | [diff] [blame] | 149 | return 0; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 150 | } |
| 151 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 152 | static void lbs_tx_timeout(struct net_device *dev) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 153 | { |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 154 | struct lbs_private *priv = dev->ml_priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 155 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 156 | lbs_deb_enter(LBS_DEB_TX); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 157 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 158 | lbs_pr_err("tx watch dog timeout\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 159 | |
Eric Dumazet | 1ae5dc3 | 2010-05-10 05:01:31 -0700 | [diff] [blame] | 160 | dev->trans_start = jiffies; /* prevent tx timeout */ |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 161 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 162 | if (priv->currenttxskb) |
| 163 | lbs_send_tx_feedback(priv, 0); |
| 164 | |
David Woodhouse | a63b22b | 2007-12-08 20:56:44 +0000 | [diff] [blame] | 165 | /* XX: Shouldn't we also call into the hw-specific driver |
| 166 | to kick it somehow? */ |
| 167 | lbs_host_to_card_done(priv); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 168 | |
Dan Williams | 9fb7663 | 2010-07-27 12:55:21 -0700 | [diff] [blame] | 169 | /* FIXME: reset the card */ |
David Woodhouse | 354eca9 | 2007-12-17 19:22:40 -0500 | [diff] [blame] | 170 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 171 | lbs_deb_leave(LBS_DEB_TX); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 172 | } |
| 173 | |
David Woodhouse | e775ed7 | 2007-12-06 14:36:11 +0000 | [diff] [blame] | 174 | void lbs_host_to_card_done(struct lbs_private *priv) |
| 175 | { |
David Woodhouse | a63b22b | 2007-12-08 20:56:44 +0000 | [diff] [blame] | 176 | unsigned long flags; |
| 177 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 178 | lbs_deb_enter(LBS_DEB_THREAD); |
| 179 | |
David Woodhouse | a63b22b | 2007-12-08 20:56:44 +0000 | [diff] [blame] | 180 | spin_lock_irqsave(&priv->driver_lock, flags); |
David Woodhouse | e775ed7 | 2007-12-06 14:36:11 +0000 | [diff] [blame] | 181 | |
| 182 | priv->dnld_sent = DNLD_RES_RECEIVED; |
| 183 | |
| 184 | /* Wake main thread if commands are pending */ |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 185 | if (!priv->cur_cmd || priv->tx_pending_len > 0) { |
| 186 | if (!priv->wakeup_dev_required) |
| 187 | wake_up_interruptible(&priv->waitq); |
| 188 | } |
David Woodhouse | e775ed7 | 2007-12-06 14:36:11 +0000 | [diff] [blame] | 189 | |
David Woodhouse | a63b22b | 2007-12-08 20:56:44 +0000 | [diff] [blame] | 190 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 191 | lbs_deb_leave(LBS_DEB_THREAD); |
David Woodhouse | e775ed7 | 2007-12-06 14:36:11 +0000 | [diff] [blame] | 192 | } |
| 193 | EXPORT_SYMBOL_GPL(lbs_host_to_card_done); |
| 194 | |
Holger Schurig | e0e42da | 2009-11-25 13:10:15 +0100 | [diff] [blame] | 195 | int lbs_set_mac_address(struct net_device *dev, void *addr) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 196 | { |
| 197 | int ret = 0; |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 198 | struct lbs_private *priv = dev->ml_priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 199 | struct sockaddr *phwaddr = addr; |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 200 | struct cmd_ds_802_11_mac_address cmd; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 201 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 202 | lbs_deb_enter(LBS_DEB_NET); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 203 | |
Luis Carlos Cobo Rus | 0a0d08a | 2007-05-25 23:05:27 -0400 | [diff] [blame] | 204 | /* In case it was called from the mesh device */ |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 205 | dev = priv->dev; |
Luis Carlos Cobo Rus | 0a0d08a | 2007-05-25 23:05:27 -0400 | [diff] [blame] | 206 | |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 207 | cmd.hdr.size = cpu_to_le16(sizeof(cmd)); |
| 208 | cmd.action = cpu_to_le16(CMD_ACT_SET); |
| 209 | memcpy(cmd.macadd, phwaddr->sa_data, ETH_ALEN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 210 | |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 211 | ret = lbs_cmd_with_response(priv, CMD_802_11_MAC_ADDRESS, &cmd); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 212 | if (ret) { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 213 | lbs_deb_net("set MAC address failed\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 214 | goto done; |
| 215 | } |
| 216 | |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 217 | memcpy(priv->current_addr, phwaddr->sa_data, ETH_ALEN); |
| 218 | memcpy(dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
Holger Schurig | 78523da | 2007-05-25 11:49:19 -0400 | [diff] [blame] | 219 | if (priv->mesh_dev) |
Holger Schurig | 2af9f03 | 2008-03-26 09:58:32 +0100 | [diff] [blame] | 220 | memcpy(priv->mesh_dev->dev_addr, phwaddr->sa_data, ETH_ALEN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 221 | |
| 222 | done: |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 223 | lbs_deb_leave_args(LBS_DEB_NET, "ret %d", ret); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 224 | return ret; |
| 225 | } |
| 226 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 227 | |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 228 | static inline int mac_in_list(unsigned char *list, int list_len, |
| 229 | unsigned char *mac) |
| 230 | { |
| 231 | while (list_len) { |
| 232 | if (!memcmp(list, mac, ETH_ALEN)) |
| 233 | return 1; |
| 234 | list += ETH_ALEN; |
| 235 | list_len--; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 236 | } |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 237 | return 0; |
| 238 | } |
| 239 | |
| 240 | |
| 241 | static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd, |
| 242 | struct net_device *dev, int nr_addrs) |
| 243 | { |
| 244 | int i = nr_addrs; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 245 | struct netdev_hw_addr *ha; |
Jiri Pirko | 655ffee | 2010-02-27 07:35:45 +0000 | [diff] [blame] | 246 | int cnt; |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 247 | |
| 248 | if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST)) |
| 249 | return nr_addrs; |
| 250 | |
David S. Miller | b9e4085 | 2008-07-15 00:15:08 -0700 | [diff] [blame] | 251 | netif_addr_lock_bh(dev); |
Jiri Pirko | 655ffee | 2010-02-27 07:35:45 +0000 | [diff] [blame] | 252 | cnt = netdev_mc_count(dev); |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 253 | netdev_for_each_mc_addr(ha, dev) { |
| 254 | if (mac_in_list(cmd->maclist, nr_addrs, ha->addr)) { |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 255 | lbs_deb_net("mcast address %s:%pM skipped\n", dev->name, |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 256 | ha->addr); |
Jiri Pirko | 655ffee | 2010-02-27 07:35:45 +0000 | [diff] [blame] | 257 | cnt--; |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 258 | continue; |
| 259 | } |
| 260 | |
| 261 | if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE) |
| 262 | break; |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 263 | memcpy(&cmd->maclist[6*i], ha->addr, ETH_ALEN); |
Johannes Berg | e174961 | 2008-10-27 15:59:26 -0700 | [diff] [blame] | 264 | lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name, |
Jiri Pirko | 22bedad | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 265 | ha->addr); |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 266 | i++; |
Jiri Pirko | 655ffee | 2010-02-27 07:35:45 +0000 | [diff] [blame] | 267 | cnt--; |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 268 | } |
David S. Miller | b9e4085 | 2008-07-15 00:15:08 -0700 | [diff] [blame] | 269 | netif_addr_unlock_bh(dev); |
Jiri Pirko | 655ffee | 2010-02-27 07:35:45 +0000 | [diff] [blame] | 270 | if (cnt) |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 271 | return -EOVERFLOW; |
| 272 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 273 | return i; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 274 | } |
| 275 | |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 276 | static void lbs_set_mcast_worker(struct work_struct *work) |
| 277 | { |
| 278 | struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work); |
| 279 | struct cmd_ds_mac_multicast_adr mcast_cmd; |
| 280 | int dev_flags; |
| 281 | int nr_addrs; |
| 282 | int old_mac_control = priv->mac_control; |
| 283 | |
| 284 | lbs_deb_enter(LBS_DEB_NET); |
| 285 | |
| 286 | dev_flags = priv->dev->flags; |
| 287 | if (priv->mesh_dev) |
| 288 | dev_flags |= priv->mesh_dev->flags; |
| 289 | |
| 290 | if (dev_flags & IFF_PROMISC) { |
| 291 | priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE; |
| 292 | priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE | |
| 293 | CMD_ACT_MAC_MULTICAST_ENABLE); |
| 294 | goto out_set_mac_control; |
| 295 | } else if (dev_flags & IFF_ALLMULTI) { |
| 296 | do_allmulti: |
| 297 | priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE; |
| 298 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | |
| 299 | CMD_ACT_MAC_MULTICAST_ENABLE); |
| 300 | goto out_set_mac_control; |
| 301 | } |
| 302 | |
| 303 | /* Once for priv->dev, again for priv->mesh_dev if it exists */ |
| 304 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0); |
| 305 | if (nr_addrs >= 0 && priv->mesh_dev) |
| 306 | nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs); |
| 307 | if (nr_addrs < 0) |
| 308 | goto do_allmulti; |
| 309 | |
| 310 | if (nr_addrs) { |
| 311 | int size = offsetof(struct cmd_ds_mac_multicast_adr, |
| 312 | maclist[6*nr_addrs]); |
| 313 | |
| 314 | mcast_cmd.action = cpu_to_le16(CMD_ACT_SET); |
| 315 | mcast_cmd.hdr.size = cpu_to_le16(size); |
| 316 | mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs); |
| 317 | |
| 318 | lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size); |
| 319 | |
| 320 | priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE; |
| 321 | } else |
| 322 | priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE; |
| 323 | |
| 324 | priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE | |
| 325 | CMD_ACT_MAC_ALL_MULTICAST_ENABLE); |
| 326 | out_set_mac_control: |
| 327 | if (priv->mac_control != old_mac_control) |
| 328 | lbs_set_mac_control(priv); |
| 329 | |
| 330 | lbs_deb_leave(LBS_DEB_NET); |
| 331 | } |
| 332 | |
Holger Schurig | e0e42da | 2009-11-25 13:10:15 +0100 | [diff] [blame] | 333 | void lbs_set_multicast_list(struct net_device *dev) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 334 | { |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 335 | struct lbs_private *priv = dev->ml_priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 336 | |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 337 | schedule_work(&priv->mcast_work); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 341 | * lbs_thread - handles the major jobs in the LBS driver. |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 342 | * It handles all events generated by firmware, RX data received |
| 343 | * from firmware and TX data sent from kernel. |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 344 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 345 | * @data: A pointer to &lbs_thread structure |
| 346 | * returns: 0 |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 347 | */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 348 | static int lbs_thread(void *data) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 349 | { |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 350 | struct net_device *dev = data; |
Kiran Divekar | ab65f64 | 2009-02-19 19:32:39 -0500 | [diff] [blame] | 351 | struct lbs_private *priv = dev->ml_priv; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 352 | wait_queue_t wait; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 353 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 354 | lbs_deb_enter(LBS_DEB_THREAD); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 355 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 356 | init_waitqueue_entry(&wait, current); |
| 357 | |
| 358 | for (;;) { |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 359 | int shouldsleep; |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 360 | u8 resp_idx; |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 361 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 362 | lbs_deb_thread("1: currenttxskb %p, dnld_sent %d\n", |
| 363 | priv->currenttxskb, priv->dnld_sent); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 364 | |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 365 | add_wait_queue(&priv->waitq, &wait); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 366 | set_current_state(TASK_INTERRUPTIBLE); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 367 | spin_lock_irq(&priv->driver_lock); |
David Woodhouse | 59f3e4b | 2007-12-08 17:42:59 +0000 | [diff] [blame] | 368 | |
David Woodhouse | d9f8870 | 2007-12-13 21:48:00 -0500 | [diff] [blame] | 369 | if (kthread_should_stop()) |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 370 | shouldsleep = 0; /* Bye */ |
David Woodhouse | d9f8870 | 2007-12-13 21:48:00 -0500 | [diff] [blame] | 371 | else if (priv->surpriseremoved) |
| 372 | shouldsleep = 1; /* We need to wait until we're _told_ to die */ |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 373 | else if (priv->psstate == PS_STATE_SLEEP) |
| 374 | shouldsleep = 1; /* Sleep mode. Nothing we can do till it wakes */ |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 375 | else if (priv->cmd_timed_out) |
| 376 | shouldsleep = 0; /* Command timed out. Recover */ |
David Woodhouse | b15152a | 2007-12-11 11:55:37 -0500 | [diff] [blame] | 377 | else if (!priv->fw_ready) |
| 378 | shouldsleep = 1; /* Firmware not ready. We're waiting for it */ |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 379 | else if (priv->dnld_sent) |
| 380 | shouldsleep = 1; /* Something is en route to the device already */ |
David Woodhouse | 2eb188a | 2007-12-09 23:54:27 -0500 | [diff] [blame] | 381 | else if (priv->tx_pending_len > 0) |
| 382 | shouldsleep = 0; /* We've a packet to send */ |
Holger Schurig | ef707b8 | 2008-05-23 16:04:13 +0200 | [diff] [blame] | 383 | else if (priv->resp_len[priv->resp_idx]) |
| 384 | shouldsleep = 0; /* We have a command response */ |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 385 | else if (priv->cur_cmd) |
| 386 | shouldsleep = 1; /* Can't send a command; one already running */ |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 387 | else if (!list_empty(&priv->cmdpendingq) && |
| 388 | !(priv->wakeup_dev_required)) |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 389 | shouldsleep = 0; /* We have a command to send */ |
Stefani Seibold | e64c026 | 2009-12-21 14:37:28 -0800 | [diff] [blame] | 390 | else if (kfifo_len(&priv->event_fifo)) |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 391 | shouldsleep = 0; /* We have an event to process */ |
David Woodhouse | b8d40bc | 2007-12-09 23:44:43 -0500 | [diff] [blame] | 392 | else |
| 393 | shouldsleep = 1; /* No command */ |
| 394 | |
| 395 | if (shouldsleep) { |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 396 | lbs_deb_thread("sleeping, connect_status %d, " |
Holger Schurig | 5f505d9 | 2008-04-30 10:50:07 +0200 | [diff] [blame] | 397 | "psmode %d, psstate %d\n", |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 398 | priv->connect_status, |
| 399 | priv->psmode, priv->psstate); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 400 | spin_unlock_irq(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 401 | schedule(); |
| 402 | } else |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 403 | spin_unlock_irq(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 404 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 405 | lbs_deb_thread("2: currenttxskb %p, dnld_send %d\n", |
| 406 | priv->currenttxskb, priv->dnld_sent); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 407 | |
| 408 | set_current_state(TASK_RUNNING); |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 409 | remove_wait_queue(&priv->waitq, &wait); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 410 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 411 | lbs_deb_thread("3: currenttxskb %p, dnld_sent %d\n", |
| 412 | priv->currenttxskb, priv->dnld_sent); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 413 | |
David Woodhouse | d9f8870 | 2007-12-13 21:48:00 -0500 | [diff] [blame] | 414 | if (kthread_should_stop()) { |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 415 | lbs_deb_thread("break from main thread\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 416 | break; |
| 417 | } |
| 418 | |
David Woodhouse | d9f8870 | 2007-12-13 21:48:00 -0500 | [diff] [blame] | 419 | if (priv->surpriseremoved) { |
| 420 | lbs_deb_thread("adapter removed; waiting to die...\n"); |
| 421 | continue; |
| 422 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 423 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 424 | lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", |
| 425 | priv->currenttxskb, priv->dnld_sent); |
| 426 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 427 | /* Process any pending command response */ |
Holger Schurig | a01f545 | 2008-06-04 11:10:40 +0200 | [diff] [blame] | 428 | spin_lock_irq(&priv->driver_lock); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 429 | resp_idx = priv->resp_idx; |
| 430 | if (priv->resp_len[resp_idx]) { |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 431 | spin_unlock_irq(&priv->driver_lock); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 432 | lbs_process_command_response(priv, |
| 433 | priv->resp_buf[resp_idx], |
| 434 | priv->resp_len[resp_idx]); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 435 | spin_lock_irq(&priv->driver_lock); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 436 | priv->resp_len[resp_idx] = 0; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 437 | } |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 438 | spin_unlock_irq(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 439 | |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 440 | /* Process hardware events, e.g. card removed, link lost */ |
| 441 | spin_lock_irq(&priv->driver_lock); |
Stefani Seibold | e64c026 | 2009-12-21 14:37:28 -0800 | [diff] [blame] | 442 | while (kfifo_len(&priv->event_fifo)) { |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 443 | u32 event; |
Stefani Seibold | 7acd72e | 2009-12-21 14:37:28 -0800 | [diff] [blame] | 444 | |
Stefani Seibold | 9842c38 | 2009-12-21 14:37:29 -0800 | [diff] [blame] | 445 | if (kfifo_out(&priv->event_fifo, |
| 446 | (unsigned char *) &event, sizeof(event)) != |
| 447 | sizeof(event)) |
| 448 | break; |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 449 | spin_unlock_irq(&priv->driver_lock); |
| 450 | lbs_process_event(priv, event); |
| 451 | spin_lock_irq(&priv->driver_lock); |
| 452 | } |
| 453 | spin_unlock_irq(&priv->driver_lock); |
| 454 | |
| 455 | if (priv->wakeup_dev_required) { |
| 456 | lbs_deb_thread("Waking up device...\n"); |
| 457 | /* Wake up device */ |
| 458 | if (priv->exit_deep_sleep(priv)) |
| 459 | lbs_deb_thread("Wakeup device failed\n"); |
| 460 | continue; |
| 461 | } |
| 462 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 463 | /* command timeout stuff */ |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 464 | if (priv->cmd_timed_out && priv->cur_cmd) { |
| 465 | struct cmd_ctrl_node *cmdnode = priv->cur_cmd; |
| 466 | |
Holger Schurig | 40e6fa8 | 2010-02-04 14:37:45 +0100 | [diff] [blame] | 467 | lbs_pr_info("Timeout submitting command 0x%04x\n", |
| 468 | le16_to_cpu(cmdnode->cmdbuf->command)); |
| 469 | lbs_complete_command(priv, cmdnode, -ETIMEDOUT); |
| 470 | if (priv->reset_card) |
| 471 | priv->reset_card(priv); |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 472 | } |
| 473 | priv->cmd_timed_out = 0; |
| 474 | |
David Woodhouse | b15152a | 2007-12-11 11:55:37 -0500 | [diff] [blame] | 475 | if (!priv->fw_ready) |
| 476 | continue; |
| 477 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 478 | /* Check if we need to confirm Sleep Request received previously */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 479 | if (priv->psstate == PS_STATE_PRE_SLEEP && |
| 480 | !priv->dnld_sent && !priv->cur_cmd) { |
| 481 | if (priv->connect_status == LBS_CONNECTED) { |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 482 | lbs_deb_thread("pre-sleep, currenttxskb %p, " |
| 483 | "dnld_sent %d, cur_cmd %p\n", |
| 484 | priv->currenttxskb, priv->dnld_sent, |
| 485 | priv->cur_cmd); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 486 | |
Holger Schurig | d4ff0ef | 2008-03-19 14:25:18 +0100 | [diff] [blame] | 487 | lbs_ps_confirm_sleep(priv); |
David Woodhouse | 59f3e4b | 2007-12-08 17:42:59 +0000 | [diff] [blame] | 488 | } else { |
| 489 | /* workaround for firmware sending |
| 490 | * deauth/linkloss event immediately |
| 491 | * after sleep request; remove this |
| 492 | * after firmware fixes it |
| 493 | */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 494 | priv->psstate = PS_STATE_AWAKE; |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 495 | lbs_pr_alert("ignore PS_SleepConfirm in " |
| 496 | "non-connected state\n"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 497 | } |
| 498 | } |
| 499 | |
| 500 | /* The PS state is changed during processing of Sleep Request |
| 501 | * event above |
| 502 | */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 503 | if ((priv->psstate == PS_STATE_SLEEP) || |
| 504 | (priv->psstate == PS_STATE_PRE_SLEEP)) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 505 | continue; |
| 506 | |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 507 | if (priv->is_deep_sleep) |
| 508 | continue; |
| 509 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 510 | /* Execute the next command */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 511 | if (!priv->dnld_sent && !priv->cur_cmd) |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 512 | lbs_execute_next_command(priv); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 513 | |
David Woodhouse | 2eb188a | 2007-12-09 23:54:27 -0500 | [diff] [blame] | 514 | spin_lock_irq(&priv->driver_lock); |
| 515 | if (!priv->dnld_sent && priv->tx_pending_len > 0) { |
| 516 | int ret = priv->hw_host_to_card(priv, MVMS_DAT, |
| 517 | priv->tx_pending_buf, |
| 518 | priv->tx_pending_len); |
| 519 | if (ret) { |
| 520 | lbs_deb_tx("host_to_card failed %d\n", ret); |
| 521 | priv->dnld_sent = DNLD_RES_RECEIVED; |
| 522 | } |
| 523 | priv->tx_pending_len = 0; |
| 524 | if (!priv->currenttxskb) { |
| 525 | /* We can wake the queues immediately if we aren't |
| 526 | waiting for TX feedback */ |
| 527 | if (priv->connect_status == LBS_CONNECTED) |
| 528 | netif_wake_queue(priv->dev); |
| 529 | if (priv->mesh_dev && |
Holger Schurig | 602114a | 2009-12-02 15:26:01 +0100 | [diff] [blame] | 530 | lbs_mesh_connected(priv)) |
David Woodhouse | 2eb188a | 2007-12-09 23:54:27 -0500 | [diff] [blame] | 531 | netif_wake_queue(priv->mesh_dev); |
| 532 | } |
| 533 | } |
| 534 | spin_unlock_irq(&priv->driver_lock); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 535 | } |
| 536 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 537 | del_timer(&priv->command_timer); |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 538 | del_timer(&priv->auto_deepsleep_timer); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 539 | |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 540 | lbs_deb_leave(LBS_DEB_THREAD); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 541 | return 0; |
| 542 | } |
| 543 | |
Vasily Khoruzhick | 75abde4 | 2011-01-21 22:44:49 +0200 | [diff] [blame] | 544 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 545 | * lbs_setup_firmware - gets the HW spec from the firmware and sets |
| 546 | * some basic parameters |
Vasily Khoruzhick | 75abde4 | 2011-01-21 22:44:49 +0200 | [diff] [blame] | 547 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 548 | * @priv: A pointer to &struct lbs_private structure |
| 549 | * returns: 0 or -1 |
Vasily Khoruzhick | 75abde4 | 2011-01-21 22:44:49 +0200 | [diff] [blame] | 550 | */ |
| 551 | static int lbs_setup_firmware(struct lbs_private *priv) |
| 552 | { |
| 553 | int ret = -1; |
| 554 | s16 curlevel = 0, minlevel = 0, maxlevel = 0; |
| 555 | |
| 556 | lbs_deb_enter(LBS_DEB_FW); |
| 557 | |
| 558 | /* Read MAC address from firmware */ |
| 559 | memset(priv->current_addr, 0xff, ETH_ALEN); |
| 560 | ret = lbs_update_hw_spec(priv); |
| 561 | if (ret) |
| 562 | goto done; |
| 563 | |
| 564 | /* Read power levels if available */ |
| 565 | ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel); |
| 566 | if (ret == 0) { |
| 567 | priv->txpower_cur = curlevel; |
| 568 | priv->txpower_min = minlevel; |
| 569 | priv->txpower_max = maxlevel; |
| 570 | } |
| 571 | |
| 572 | /* Send cmd to FW to enable 11D function */ |
| 573 | ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1); |
| 574 | |
| 575 | lbs_set_mac_control(priv); |
| 576 | done: |
| 577 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
| 578 | return ret; |
| 579 | } |
| 580 | |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 581 | int lbs_suspend(struct lbs_private *priv) |
| 582 | { |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 583 | int ret; |
| 584 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 585 | lbs_deb_enter(LBS_DEB_FW); |
| 586 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 587 | if (priv->is_deep_sleep) { |
| 588 | ret = lbs_set_deep_sleep(priv, 0); |
| 589 | if (ret) { |
| 590 | lbs_pr_err("deep sleep cancellation failed: %d\n", ret); |
| 591 | return ret; |
| 592 | } |
| 593 | priv->deep_sleep_required = 1; |
David Woodhouse | 506e902 | 2007-12-12 20:06:06 -0500 | [diff] [blame] | 594 | } |
| 595 | |
Amitkumar Karwar | 1311843 | 2010-07-08 06:43:48 +0530 | [diff] [blame] | 596 | ret = lbs_set_host_sleep(priv, 1); |
David Woodhouse | 7e22627 | 2007-12-14 22:53:41 -0500 | [diff] [blame] | 597 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 598 | netif_device_detach(priv->dev); |
| 599 | if (priv->mesh_dev) |
| 600 | netif_device_detach(priv->mesh_dev); |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 601 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 602 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 603 | return ret; |
| 604 | } |
| 605 | EXPORT_SYMBOL_GPL(lbs_suspend); |
| 606 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 607 | int lbs_resume(struct lbs_private *priv) |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 608 | { |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 609 | int ret; |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 610 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 611 | lbs_deb_enter(LBS_DEB_FW); |
| 612 | |
Amitkumar Karwar | 1311843 | 2010-07-08 06:43:48 +0530 | [diff] [blame] | 613 | ret = lbs_set_host_sleep(priv, 0); |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 614 | |
| 615 | netif_device_attach(priv->dev); |
| 616 | if (priv->mesh_dev) |
| 617 | netif_device_attach(priv->mesh_dev); |
| 618 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 619 | if (priv->deep_sleep_required) { |
| 620 | priv->deep_sleep_required = 0; |
| 621 | ret = lbs_set_deep_sleep(priv, 1); |
| 622 | if (ret) |
| 623 | lbs_pr_err("deep sleep activation failed: %d\n", ret); |
| 624 | } |
| 625 | |
Vasily Khoruzhick | 75abde4 | 2011-01-21 22:44:49 +0200 | [diff] [blame] | 626 | if (priv->setup_fw_on_resume) |
| 627 | ret = lbs_setup_firmware(priv); |
| 628 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 629 | lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret); |
| 630 | return ret; |
David Woodhouse | ab25eca | 2007-12-12 17:38:56 -0500 | [diff] [blame] | 631 | } |
| 632 | EXPORT_SYMBOL_GPL(lbs_resume); |
| 633 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 634 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 635 | * lbs_cmd_timeout_handler - handles the timeout of command sending. |
| 636 | * It will re-send the same command again. |
| 637 | * |
| 638 | * @data: &struct lbs_private pointer |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 639 | */ |
Holger Schurig | 40e6fa8 | 2010-02-04 14:37:45 +0100 | [diff] [blame] | 640 | static void lbs_cmd_timeout_handler(unsigned long data) |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 641 | { |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 642 | struct lbs_private *priv = (struct lbs_private *)data; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 643 | unsigned long flags; |
| 644 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 645 | lbs_deb_enter(LBS_DEB_CMD); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 646 | spin_lock_irqsave(&priv->driver_lock, flags); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 647 | |
Holger Schurig | 57962f0 | 2008-05-14 16:30:28 +0200 | [diff] [blame] | 648 | if (!priv->cur_cmd) |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 649 | goto out; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 650 | |
Holger Schurig | 57962f0 | 2008-05-14 16:30:28 +0200 | [diff] [blame] | 651 | lbs_pr_info("command 0x%04x timed out\n", |
| 652 | le16_to_cpu(priv->cur_cmd->cmdbuf->command)); |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 653 | |
| 654 | priv->cmd_timed_out = 1; |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 655 | wake_up_interruptible(&priv->waitq); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 656 | out: |
David Woodhouse | 2a34509 | 2007-12-15 19:33:43 -0500 | [diff] [blame] | 657 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 658 | lbs_deb_leave(LBS_DEB_CMD); |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 659 | } |
| 660 | |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 661 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 662 | * auto_deepsleep_timer_fn - put the device back to deep sleep mode when |
| 663 | * timer expires and no activity (command, event, data etc.) is detected. |
| 664 | * @data: &struct lbs_private pointer |
| 665 | * returns: N/A |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 666 | */ |
| 667 | static void auto_deepsleep_timer_fn(unsigned long data) |
| 668 | { |
| 669 | struct lbs_private *priv = (struct lbs_private *)data; |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 670 | |
| 671 | lbs_deb_enter(LBS_DEB_CMD); |
| 672 | |
| 673 | if (priv->is_activity_detected) { |
| 674 | priv->is_activity_detected = 0; |
| 675 | } else { |
| 676 | if (priv->is_auto_deep_sleep_enabled && |
Dan Williams | 53800f5 | 2010-07-27 13:15:01 -0700 | [diff] [blame] | 677 | (!priv->wakeup_dev_required) && |
| 678 | (priv->connect_status != LBS_CONNECTED)) { |
| 679 | struct cmd_header cmd; |
| 680 | |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 681 | lbs_deb_main("Entering auto deep sleep mode...\n"); |
Dan Williams | 53800f5 | 2010-07-27 13:15:01 -0700 | [diff] [blame] | 682 | memset(&cmd, 0, sizeof(cmd)); |
| 683 | cmd.size = cpu_to_le16(sizeof(cmd)); |
| 684 | lbs_cmd_async(priv, CMD_802_11_DEEP_SLEEP, &cmd, |
| 685 | sizeof(cmd)); |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 686 | } |
| 687 | } |
| 688 | mod_timer(&priv->auto_deepsleep_timer , jiffies + |
| 689 | (priv->auto_deep_sleep_timeout * HZ)/1000); |
| 690 | lbs_deb_leave(LBS_DEB_CMD); |
| 691 | } |
| 692 | |
| 693 | int lbs_enter_auto_deep_sleep(struct lbs_private *priv) |
| 694 | { |
| 695 | lbs_deb_enter(LBS_DEB_SDIO); |
| 696 | |
| 697 | priv->is_auto_deep_sleep_enabled = 1; |
| 698 | if (priv->is_deep_sleep) |
| 699 | priv->wakeup_dev_required = 1; |
| 700 | mod_timer(&priv->auto_deepsleep_timer , |
| 701 | jiffies + (priv->auto_deep_sleep_timeout * HZ)/1000); |
| 702 | |
| 703 | lbs_deb_leave(LBS_DEB_SDIO); |
| 704 | return 0; |
| 705 | } |
| 706 | |
| 707 | int lbs_exit_auto_deep_sleep(struct lbs_private *priv) |
| 708 | { |
| 709 | lbs_deb_enter(LBS_DEB_SDIO); |
| 710 | |
| 711 | priv->is_auto_deep_sleep_enabled = 0; |
| 712 | priv->auto_deep_sleep_timeout = 0; |
| 713 | del_timer(&priv->auto_deepsleep_timer); |
| 714 | |
| 715 | lbs_deb_leave(LBS_DEB_SDIO); |
| 716 | return 0; |
| 717 | } |
| 718 | |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 719 | static int lbs_init_adapter(struct lbs_private *priv) |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 720 | { |
Kiran Divekar | e86dc1c | 2010-06-14 22:01:26 +0530 | [diff] [blame] | 721 | int ret; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 722 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 723 | lbs_deb_enter(LBS_DEB_MAIN); |
| 724 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 725 | memset(priv->current_addr, 0xff, ETH_ALEN); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 726 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 727 | priv->connect_status = LBS_DISCONNECTED; |
Holger Schurig | c14951f | 2009-10-22 15:30:50 +0200 | [diff] [blame] | 728 | priv->channel = DEFAULT_AD_HOC_CHANNEL; |
Holger Schurig | d9e9778 | 2008-03-12 16:06:43 +0100 | [diff] [blame] | 729 | priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON; |
Dan Williams | d5db2df | 2008-08-21 17:51:07 -0400 | [diff] [blame] | 730 | priv->radio_on = 1; |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 731 | priv->psmode = LBS802_11POWERMODECAM; |
| 732 | priv->psstate = PS_STATE_FULL_POWER; |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 733 | priv->is_deep_sleep = 0; |
| 734 | priv->is_auto_deep_sleep_enabled = 0; |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 735 | priv->deep_sleep_required = 0; |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 736 | priv->wakeup_dev_required = 0; |
| 737 | init_waitqueue_head(&priv->ds_awake_q); |
Dan Williams | cc02681 | 2010-08-04 00:43:47 -0500 | [diff] [blame] | 738 | init_waitqueue_head(&priv->scan_q); |
Amitkumar Karwar | 921ca03 | 2010-02-25 17:16:36 -0800 | [diff] [blame] | 739 | priv->authtype_auto = 1; |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 740 | priv->is_host_sleep_configured = 0; |
| 741 | priv->is_host_sleep_activated = 0; |
| 742 | init_waitqueue_head(&priv->host_sleep_q); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 743 | mutex_init(&priv->lock); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 744 | |
Holger Schurig | 40e6fa8 | 2010-02-04 14:37:45 +0100 | [diff] [blame] | 745 | setup_timer(&priv->command_timer, lbs_cmd_timeout_handler, |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 746 | (unsigned long)priv); |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 747 | setup_timer(&priv->auto_deepsleep_timer, auto_deepsleep_timer_fn, |
| 748 | (unsigned long)priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 749 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 750 | INIT_LIST_HEAD(&priv->cmdfreeq); |
| 751 | INIT_LIST_HEAD(&priv->cmdpendingq); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 752 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 753 | spin_lock_init(&priv->driver_lock); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 754 | |
| 755 | /* Allocate the command buffers */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 756 | if (lbs_allocate_cmd_buffer(priv)) { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 757 | lbs_pr_err("Out of memory allocating command buffers\n"); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 758 | ret = -ENOMEM; |
| 759 | goto out; |
| 760 | } |
| 761 | priv->resp_idx = 0; |
| 762 | priv->resp_len[0] = priv->resp_len[1] = 0; |
| 763 | |
| 764 | /* Create the event FIFO */ |
Stefani Seibold | c1e13f2 | 2009-12-21 14:37:27 -0800 | [diff] [blame] | 765 | ret = kfifo_alloc(&priv->event_fifo, sizeof(u32) * 16, GFP_KERNEL); |
Stefani Seibold | 4546548 | 2009-12-21 14:37:26 -0800 | [diff] [blame] | 766 | if (ret) { |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 767 | lbs_pr_err("Out of memory allocating event FIFO buffer\n"); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 768 | goto out; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | out: |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 772 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
| 773 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 774 | return ret; |
| 775 | } |
| 776 | |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 777 | static void lbs_free_adapter(struct lbs_private *priv) |
Holger Schurig | ac558ca | 2007-08-02 11:49:06 -0400 | [diff] [blame] | 778 | { |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 779 | lbs_deb_enter(LBS_DEB_MAIN); |
| 780 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 781 | lbs_free_cmd_buffer(priv); |
Stefani Seibold | 4546548 | 2009-12-21 14:37:26 -0800 | [diff] [blame] | 782 | kfifo_free(&priv->event_fifo); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 783 | del_timer(&priv->command_timer); |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 784 | del_timer(&priv->auto_deepsleep_timer); |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 785 | |
| 786 | lbs_deb_leave(LBS_DEB_MAIN); |
Holger Schurig | ac558ca | 2007-08-02 11:49:06 -0400 | [diff] [blame] | 787 | } |
| 788 | |
Stephen Hemminger | f02abf1 | 2009-03-20 19:36:37 +0000 | [diff] [blame] | 789 | static const struct net_device_ops lbs_netdev_ops = { |
| 790 | .ndo_open = lbs_dev_open, |
| 791 | .ndo_stop = lbs_eth_stop, |
| 792 | .ndo_start_xmit = lbs_hard_start_xmit, |
| 793 | .ndo_set_mac_address = lbs_set_mac_address, |
| 794 | .ndo_tx_timeout = lbs_tx_timeout, |
| 795 | .ndo_set_multicast_list = lbs_set_multicast_list, |
| 796 | .ndo_change_mtu = eth_change_mtu, |
| 797 | .ndo_validate_addr = eth_validate_addr, |
| 798 | }; |
| 799 | |
Holger Schurig | 1df4e8f | 2007-08-02 11:45:12 -0400 | [diff] [blame] | 800 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 801 | * lbs_add_card - adds the card. It will probe the |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 802 | * card, allocate the lbs_priv and initialize the device. |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 803 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 804 | * @card: A pointer to card |
| 805 | * @dmdev: A pointer to &struct device |
| 806 | * returns: A pointer to &struct lbs_private structure |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 807 | */ |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 808 | struct lbs_private *lbs_add_card(void *card, struct device *dmdev) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 809 | { |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 810 | struct net_device *dev; |
| 811 | struct wireless_dev *wdev; |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 812 | struct lbs_private *priv = NULL; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 813 | |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 814 | lbs_deb_enter(LBS_DEB_MAIN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 815 | |
| 816 | /* Allocate an Ethernet device and register it */ |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 817 | wdev = lbs_cfg_alloc(dmdev); |
| 818 | if (IS_ERR(wdev)) { |
| 819 | lbs_pr_err("cfg80211 init failed\n"); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 820 | goto done; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 821 | } |
Kiran Divekar | e86dc1c | 2010-06-14 22:01:26 +0530 | [diff] [blame] | 822 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 823 | wdev->iftype = NL80211_IFTYPE_STATION; |
| 824 | priv = wdev_priv(wdev); |
| 825 | priv->wdev = wdev; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 826 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 827 | if (lbs_init_adapter(priv)) { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 828 | lbs_pr_err("failed to initialize adapter structure.\n"); |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 829 | goto err_wdev; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 830 | } |
| 831 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 832 | dev = alloc_netdev(0, "wlan%d", ether_setup); |
| 833 | if (!dev) { |
| 834 | dev_err(dmdev, "no memory for network device instance\n"); |
| 835 | goto err_adapter; |
| 836 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 837 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 838 | dev->ieee80211_ptr = wdev; |
| 839 | dev->ml_priv = priv; |
| 840 | SET_NETDEV_DEV(dev, dmdev); |
| 841 | wdev->netdev = dev; |
| 842 | priv->dev = dev; |
| 843 | |
Stephen Hemminger | f02abf1 | 2009-03-20 19:36:37 +0000 | [diff] [blame] | 844 | dev->netdev_ops = &lbs_netdev_ops; |
Holger Schurig | fb3dddf | 2007-05-25 11:58:22 -0400 | [diff] [blame] | 845 | dev->watchdog_timeo = 5 * HZ; |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 846 | dev->ethtool_ops = &lbs_ethtool_ops; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 847 | dev->flags |= IFF_BROADCAST | IFF_MULTICAST; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 848 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 849 | priv->card = card; |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 850 | |
Daniel Mack | c00552c | 2009-08-11 16:09:34 +0200 | [diff] [blame] | 851 | strcpy(dev->name, "wlan%d"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 852 | |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 853 | lbs_deb_thread("Starting main thread...\n"); |
| 854 | init_waitqueue_head(&priv->waitq); |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 855 | priv->main_thread = kthread_run(lbs_thread, dev, "lbs_main"); |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 856 | if (IS_ERR(priv->main_thread)) { |
| 857 | lbs_deb_thread("Error creating main thread.\n"); |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 858 | goto err_ndev; |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 859 | } |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 860 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 861 | priv->work_thread = create_singlethread_workqueue("lbs_worker"); |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 862 | INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker); |
David Woodhouse | 23a397a | 2007-12-11 18:56:42 -0500 | [diff] [blame] | 863 | |
Deepak Saxena | ae63a33 | 2010-10-31 13:40:33 +0000 | [diff] [blame] | 864 | priv->wol_criteria = EHS_REMOVE_WAKEUP; |
David Woodhouse | 506e902 | 2007-12-12 20:06:06 -0500 | [diff] [blame] | 865 | priv->wol_gpio = 0xff; |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 866 | priv->wol_gap = 20; |
Deepak Saxena | ae63a33 | 2010-10-31 13:40:33 +0000 | [diff] [blame] | 867 | priv->ehs_remove_supported = true; |
David Woodhouse | 506e902 | 2007-12-12 20:06:06 -0500 | [diff] [blame] | 868 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 869 | goto done; |
| 870 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 871 | err_ndev: |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 872 | free_netdev(dev); |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 873 | |
| 874 | err_adapter: |
| 875 | lbs_free_adapter(priv); |
| 876 | |
| 877 | err_wdev: |
| 878 | lbs_cfg_free(priv); |
| 879 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 880 | priv = NULL; |
| 881 | |
| 882 | done: |
Holger Schurig | 61d3002 | 2008-01-16 15:59:52 +0100 | [diff] [blame] | 883 | lbs_deb_leave_args(LBS_DEB_MAIN, "priv %p", priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 884 | return priv; |
| 885 | } |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 886 | EXPORT_SYMBOL_GPL(lbs_add_card); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 887 | |
| 888 | |
Holger Schurig | a63e5cb | 2008-04-30 10:50:39 +0200 | [diff] [blame] | 889 | void lbs_remove_card(struct lbs_private *priv) |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 890 | { |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 891 | struct net_device *dev = priv->dev; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 892 | |
| 893 | lbs_deb_enter(LBS_DEB_MAIN); |
| 894 | |
David Woodhouse | 23a397a | 2007-12-11 18:56:42 -0500 | [diff] [blame] | 895 | lbs_remove_mesh(priv); |
Kiran Divekar | e86dc1c | 2010-06-14 22:01:26 +0530 | [diff] [blame] | 896 | lbs_scan_deinit(priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 897 | |
| 898 | dev = priv->dev; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 899 | |
David Woodhouse | 75bf45a | 2008-05-20 13:32:45 +0100 | [diff] [blame] | 900 | cancel_work_sync(&priv->mcast_work); |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 901 | |
| 902 | /* worker thread destruction blocks on the in-flight command which |
| 903 | * should have been cleared already in lbs_stop_card(). |
| 904 | */ |
| 905 | lbs_deb_main("destroying worker thread\n"); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 906 | destroy_workqueue(priv->work_thread); |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 907 | lbs_deb_main("done destroying worker thread\n"); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 908 | |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 909 | if (priv->psmode == LBS802_11POWERMODEMAX_PSP) { |
| 910 | priv->psmode = LBS802_11POWERMODECAM; |
Dan Williams | 0bb6408 | 2010-07-27 13:08:08 -0700 | [diff] [blame] | 911 | lbs_set_ps_mode(priv, PS_MODE_ACTION_EXIT_PS, true); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 912 | } |
| 913 | |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 914 | if (priv->is_deep_sleep) { |
| 915 | priv->is_deep_sleep = 0; |
| 916 | wake_up_interruptible(&priv->ds_awake_q); |
| 917 | } |
| 918 | |
Amitkumar Karwar | 66fceb6 | 2010-05-19 03:24:38 -0700 | [diff] [blame] | 919 | priv->is_host_sleep_configured = 0; |
| 920 | priv->is_host_sleep_activated = 0; |
| 921 | wake_up_interruptible(&priv->host_sleep_q); |
| 922 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 923 | /* Stop the thread servicing the interrupts */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 924 | priv->surpriseremoved = 1; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 925 | kthread_stop(priv->main_thread); |
| 926 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 927 | lbs_free_adapter(priv); |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 928 | lbs_cfg_free(priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 929 | free_netdev(dev); |
| 930 | |
| 931 | lbs_deb_leave(LBS_DEB_MAIN); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 932 | } |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 933 | EXPORT_SYMBOL_GPL(lbs_remove_card); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 934 | |
| 935 | |
Kiran Divekar | e86dc1c | 2010-06-14 22:01:26 +0530 | [diff] [blame] | 936 | int lbs_rtap_supported(struct lbs_private *priv) |
Holger Schurig | cd74468 | 2009-12-02 15:25:59 +0100 | [diff] [blame] | 937 | { |
| 938 | if (MRVL_FW_MAJOR_REV(priv->fwrelease) == MRVL_FW_V5) |
| 939 | return 1; |
| 940 | |
| 941 | /* newer firmware use a capability mask */ |
| 942 | return ((MRVL_FW_MAJOR_REV(priv->fwrelease) >= MRVL_FW_V10) && |
| 943 | (priv->fwcapinfo & MESH_CAPINFO_ENABLE_MASK)); |
| 944 | } |
| 945 | |
| 946 | |
Holger Schurig | 69f9032 | 2007-11-23 15:43:44 +0100 | [diff] [blame] | 947 | int lbs_start_card(struct lbs_private *priv) |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 948 | { |
| 949 | struct net_device *dev = priv->dev; |
| 950 | int ret = -1; |
| 951 | |
| 952 | lbs_deb_enter(LBS_DEB_MAIN); |
| 953 | |
| 954 | /* poke the firmware */ |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 955 | ret = lbs_setup_firmware(priv); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 956 | if (ret) |
| 957 | goto done; |
| 958 | |
Holger Schurig | ff9fc79 | 2009-10-06 16:31:54 +0200 | [diff] [blame] | 959 | if (lbs_cfg_register(priv)) { |
| 960 | lbs_pr_err("cannot register device\n"); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 961 | goto done; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 962 | } |
David Woodhouse | 020f3d0 | 2007-12-12 23:29:13 -0500 | [diff] [blame] | 963 | |
David Woodhouse | 020f3d0 | 2007-12-12 23:29:13 -0500 | [diff] [blame] | 964 | lbs_update_channel(priv); |
David Woodhouse | 020f3d0 | 2007-12-12 23:29:13 -0500 | [diff] [blame] | 965 | |
Holger Schurig | cd74468 | 2009-12-02 15:25:59 +0100 | [diff] [blame] | 966 | lbs_init_mesh(priv); |
| 967 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 968 | lbs_debugfs_init_one(priv, dev); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 969 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 970 | lbs_pr_info("%s: Marvell WLAN 802.11 adapter\n", dev->name); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 971 | |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 972 | ret = 0; |
| 973 | |
Holger Schurig | 32a74b7 | 2007-05-25 12:04:31 -0400 | [diff] [blame] | 974 | done: |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 975 | lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret); |
Holger Schurig | 32a74b7 | 2007-05-25 12:04:31 -0400 | [diff] [blame] | 976 | return ret; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 977 | } |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 978 | EXPORT_SYMBOL_GPL(lbs_start_card); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 979 | |
| 980 | |
Holger Schurig | a63e5cb | 2008-04-30 10:50:39 +0200 | [diff] [blame] | 981 | void lbs_stop_card(struct lbs_private *priv) |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 982 | { |
Julia Lawall | 43baa5b | 2009-01-09 10:23:10 +0000 | [diff] [blame] | 983 | struct net_device *dev; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 984 | struct cmd_ctrl_node *cmdnode; |
| 985 | unsigned long flags; |
| 986 | |
| 987 | lbs_deb_enter(LBS_DEB_MAIN); |
| 988 | |
Holger Schurig | 652e3f2 | 2008-04-30 10:51:15 +0200 | [diff] [blame] | 989 | if (!priv) |
| 990 | goto out; |
Julia Lawall | 43baa5b | 2009-01-09 10:23:10 +0000 | [diff] [blame] | 991 | dev = priv->dev; |
Holger Schurig | 652e3f2 | 2008-04-30 10:51:15 +0200 | [diff] [blame] | 992 | |
Julia Lawall | 43baa5b | 2009-01-09 10:23:10 +0000 | [diff] [blame] | 993 | netif_stop_queue(dev); |
| 994 | netif_carrier_off(dev); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 995 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 996 | lbs_debugfs_remove_one(priv); |
Holger Schurig | cd74468 | 2009-12-02 15:25:59 +0100 | [diff] [blame] | 997 | lbs_deinit_mesh(priv); |
| 998 | |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 999 | /* Delete the timeout of the currently processing command */ |
Holger Schurig | 652e3f2 | 2008-04-30 10:51:15 +0200 | [diff] [blame] | 1000 | del_timer_sync(&priv->command_timer); |
Amitkumar Karwar | 4912545 | 2009-09-30 20:04:38 -0700 | [diff] [blame] | 1001 | del_timer_sync(&priv->auto_deepsleep_timer); |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 1002 | |
| 1003 | /* Flush pending command nodes */ |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 1004 | spin_lock_irqsave(&priv->driver_lock, flags); |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 1005 | lbs_deb_main("clearing pending commands\n"); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 1006 | list_for_each_entry(cmdnode, &priv->cmdpendingq, list) { |
David Woodhouse | ae125bf | 2007-12-15 04:22:52 -0500 | [diff] [blame] | 1007 | cmdnode->result = -ENOENT; |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 1008 | cmdnode->cmdwaitqwoken = 1; |
| 1009 | wake_up_interruptible(&cmdnode->cmdwait_q); |
| 1010 | } |
Dan Williams | 71b35f3 | 2008-09-08 16:34:40 -0400 | [diff] [blame] | 1011 | |
| 1012 | /* Flush the command the card is currently processing */ |
| 1013 | if (priv->cur_cmd) { |
| 1014 | lbs_deb_main("clearing current command\n"); |
| 1015 | priv->cur_cmd->result = -ENOENT; |
| 1016 | priv->cur_cmd->cmdwaitqwoken = 1; |
| 1017 | wake_up_interruptible(&priv->cur_cmd->cmdwait_q); |
| 1018 | } |
| 1019 | lbs_deb_main("done clearing commands\n"); |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 1020 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 1021 | |
| 1022 | unregister_netdev(dev); |
| 1023 | |
Holger Schurig | 652e3f2 | 2008-04-30 10:51:15 +0200 | [diff] [blame] | 1024 | out: |
Holger Schurig | a63e5cb | 2008-04-30 10:50:39 +0200 | [diff] [blame] | 1025 | lbs_deb_leave(LBS_DEB_MAIN); |
Dan Williams | 954ee16 | 2007-08-20 11:43:25 -0400 | [diff] [blame] | 1026 | } |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 1027 | EXPORT_SYMBOL_GPL(lbs_stop_card); |
Holger Schurig | 084708b | 2007-05-25 12:37:58 -0400 | [diff] [blame] | 1028 | |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1029 | |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 1030 | void lbs_queue_event(struct lbs_private *priv, u32 event) |
| 1031 | { |
| 1032 | unsigned long flags; |
| 1033 | |
| 1034 | lbs_deb_enter(LBS_DEB_THREAD); |
| 1035 | spin_lock_irqsave(&priv->driver_lock, flags); |
| 1036 | |
| 1037 | if (priv->psstate == PS_STATE_SLEEP) |
| 1038 | priv->psstate = PS_STATE_AWAKE; |
| 1039 | |
Stefani Seibold | 7acd72e | 2009-12-21 14:37:28 -0800 | [diff] [blame] | 1040 | kfifo_in(&priv->event_fifo, (unsigned char *) &event, sizeof(u32)); |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 1041 | |
| 1042 | wake_up_interruptible(&priv->waitq); |
| 1043 | |
| 1044 | spin_unlock_irqrestore(&priv->driver_lock, flags); |
| 1045 | lbs_deb_leave(LBS_DEB_THREAD); |
| 1046 | } |
| 1047 | EXPORT_SYMBOL_GPL(lbs_queue_event); |
| 1048 | |
| 1049 | void lbs_notify_command_response(struct lbs_private *priv, u8 resp_idx) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1050 | { |
Holger Schurig | ed37b51 | 2007-05-25 11:52:42 -0400 | [diff] [blame] | 1051 | lbs_deb_enter(LBS_DEB_THREAD); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1052 | |
David Woodhouse | 4f67949 | 2007-12-10 14:58:37 -0500 | [diff] [blame] | 1053 | if (priv->psstate == PS_STATE_SLEEP) |
David Woodhouse | aa21c00 | 2007-12-08 20:04:36 +0000 | [diff] [blame] | 1054 | priv->psstate = PS_STATE_AWAKE; |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 1055 | |
| 1056 | /* Swap buffers by flipping the response index */ |
| 1057 | BUG_ON(resp_idx > 1); |
| 1058 | priv->resp_idx = resp_idx; |
| 1059 | |
Dan Williams | fe33615 | 2007-08-02 11:32:25 -0400 | [diff] [blame] | 1060 | wake_up_interruptible(&priv->waitq); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1061 | |
Holger Schurig | ed37b51 | 2007-05-25 11:52:42 -0400 | [diff] [blame] | 1062 | lbs_deb_leave(LBS_DEB_THREAD); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1063 | } |
Holger Schurig | 7919b89 | 2008-04-01 14:50:43 +0200 | [diff] [blame] | 1064 | EXPORT_SYMBOL_GPL(lbs_notify_command_response); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1065 | |
Dan Williams | 72f7a66 | 2010-08-07 21:14:33 -0500 | [diff] [blame] | 1066 | /** |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 1067 | * lbs_get_firmware - Retrieves two-stage firmware |
Dan Williams | 72f7a66 | 2010-08-07 21:14:33 -0500 | [diff] [blame] | 1068 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 1069 | * @dev: A pointer to &device structure |
| 1070 | * @user_helper: User-defined helper firmware file |
| 1071 | * @user_mainfw: User-defined main firmware file |
| 1072 | * @card_model: Bus-specific card model ID used to filter firmware table |
| 1073 | * elements |
| 1074 | * @fw_table: Table of firmware file names and device model numbers |
| 1075 | * terminated by an entry with a NULL helper name |
| 1076 | * @helper: On success, the helper firmware; caller must free |
| 1077 | * @mainfw: On success, the main firmware; caller must free |
Dan Williams | 72f7a66 | 2010-08-07 21:14:33 -0500 | [diff] [blame] | 1078 | * |
Randy Dunlap | 8973a6e | 2011-04-26 15:25:29 -0700 | [diff] [blame] | 1079 | * returns: 0 on success, non-zero on failure |
Dan Williams | 72f7a66 | 2010-08-07 21:14:33 -0500 | [diff] [blame] | 1080 | */ |
| 1081 | int lbs_get_firmware(struct device *dev, const char *user_helper, |
| 1082 | const char *user_mainfw, u32 card_model, |
| 1083 | const struct lbs_fw_table *fw_table, |
| 1084 | const struct firmware **helper, |
| 1085 | const struct firmware **mainfw) |
| 1086 | { |
| 1087 | const struct lbs_fw_table *iter; |
| 1088 | int ret; |
| 1089 | |
| 1090 | BUG_ON(helper == NULL); |
| 1091 | BUG_ON(mainfw == NULL); |
| 1092 | |
| 1093 | /* Try user-specified firmware first */ |
| 1094 | if (user_helper) { |
| 1095 | ret = request_firmware(helper, user_helper, dev); |
| 1096 | if (ret) { |
| 1097 | lbs_pr_err("couldn't find helper firmware %s", |
| 1098 | user_helper); |
| 1099 | goto fail; |
| 1100 | } |
| 1101 | } |
| 1102 | if (user_mainfw) { |
| 1103 | ret = request_firmware(mainfw, user_mainfw, dev); |
| 1104 | if (ret) { |
| 1105 | lbs_pr_err("couldn't find main firmware %s", |
| 1106 | user_mainfw); |
| 1107 | goto fail; |
| 1108 | } |
| 1109 | } |
| 1110 | |
| 1111 | if (*helper && *mainfw) |
| 1112 | return 0; |
| 1113 | |
| 1114 | /* Otherwise search for firmware to use. If neither the helper or |
| 1115 | * the main firmware were specified by the user, then we need to |
| 1116 | * make sure that found helper & main are from the same entry in |
| 1117 | * fw_table. |
| 1118 | */ |
| 1119 | iter = fw_table; |
| 1120 | while (iter && iter->helper) { |
| 1121 | if (iter->model != card_model) |
| 1122 | goto next; |
| 1123 | |
| 1124 | if (*helper == NULL) { |
| 1125 | ret = request_firmware(helper, iter->helper, dev); |
| 1126 | if (ret) |
| 1127 | goto next; |
| 1128 | |
| 1129 | /* If the device has one-stage firmware (ie cf8305) and |
| 1130 | * we've got it then we don't need to bother with the |
| 1131 | * main firmware. |
| 1132 | */ |
| 1133 | if (iter->fwname == NULL) |
| 1134 | return 0; |
| 1135 | } |
| 1136 | |
| 1137 | if (*mainfw == NULL) { |
| 1138 | ret = request_firmware(mainfw, iter->fwname, dev); |
| 1139 | if (ret && !user_helper) { |
| 1140 | /* Clear the helper if it wasn't user-specified |
| 1141 | * and the main firmware load failed, to ensure |
| 1142 | * we don't have mismatched firmware pairs. |
| 1143 | */ |
| 1144 | release_firmware(*helper); |
| 1145 | *helper = NULL; |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | if (*helper && *mainfw) |
| 1150 | return 0; |
| 1151 | |
| 1152 | next: |
| 1153 | iter++; |
| 1154 | } |
| 1155 | |
| 1156 | fail: |
| 1157 | /* Failed */ |
| 1158 | if (*helper) { |
| 1159 | release_firmware(*helper); |
| 1160 | *helper = NULL; |
| 1161 | } |
| 1162 | if (*mainfw) { |
| 1163 | release_firmware(*mainfw); |
| 1164 | *mainfw = NULL; |
| 1165 | } |
| 1166 | |
| 1167 | return -ENOENT; |
| 1168 | } |
| 1169 | EXPORT_SYMBOL_GPL(lbs_get_firmware); |
| 1170 | |
Andres Salomon | 4fb910f | 2007-11-20 17:43:45 -0500 | [diff] [blame] | 1171 | static int __init lbs_init_module(void) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1172 | { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 1173 | lbs_deb_enter(LBS_DEB_MAIN); |
Holger Schurig | f539f2e | 2008-03-26 13:22:11 +0100 | [diff] [blame] | 1174 | memset(&confirm_sleep, 0, sizeof(confirm_sleep)); |
| 1175 | confirm_sleep.hdr.command = cpu_to_le16(CMD_802_11_PS_MODE); |
| 1176 | confirm_sleep.hdr.size = cpu_to_le16(sizeof(confirm_sleep)); |
Dan Williams | 0bb6408 | 2010-07-27 13:08:08 -0700 | [diff] [blame] | 1177 | confirm_sleep.action = cpu_to_le16(PS_MODE_ACTION_SLEEP_CONFIRMED); |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 1178 | lbs_debugfs_init(); |
Holger Schurig | 084708b | 2007-05-25 12:37:58 -0400 | [diff] [blame] | 1179 | lbs_deb_leave(LBS_DEB_MAIN); |
| 1180 | return 0; |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1181 | } |
| 1182 | |
Andres Salomon | 4fb910f | 2007-11-20 17:43:45 -0500 | [diff] [blame] | 1183 | static void __exit lbs_exit_module(void) |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1184 | { |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 1185 | lbs_deb_enter(LBS_DEB_MAIN); |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 1186 | lbs_debugfs_remove(); |
Holger Schurig | 9012b28 | 2007-05-25 11:27:16 -0400 | [diff] [blame] | 1187 | lbs_deb_leave(LBS_DEB_MAIN); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1188 | } |
| 1189 | |
Holger Schurig | 1007832 | 2007-11-15 18:05:47 -0500 | [diff] [blame] | 1190 | module_init(lbs_init_module); |
| 1191 | module_exit(lbs_exit_module); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1192 | |
Holger Schurig | 084708b | 2007-05-25 12:37:58 -0400 | [diff] [blame] | 1193 | MODULE_DESCRIPTION("Libertas WLAN Driver Library"); |
Marcelo Tosatti | 876c9d3 | 2007-02-10 12:25:27 -0200 | [diff] [blame] | 1194 | MODULE_AUTHOR("Marvell International Ltd."); |
| 1195 | MODULE_LICENSE("GPL"); |