diff options
author | Ingo Molnar | 2010-08-31 09:45:21 +0200 |
---|---|---|
committer | Ingo Molnar | 2010-08-31 09:45:46 +0200 |
commit | daab7fc734a53fdeaf844b7c03053118ad1769da (patch) | |
tree | 575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /drivers/net/wireless/at76c50x-usb.c | |
parent | x86: Remove old bootmem code (diff) | |
parent | Linux 2.6.36-rc3 (diff) | |
download | kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.gz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.xz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.zip |
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts:
arch/x86/kernel/trampoline.c
mm/memblock.c
Merge reason: Resolve the conflicts, update to latest upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/net/wireless/at76c50x-usb.c')
-rw-r--r-- | drivers/net/wireless/at76c50x-usb.c | 270 |
1 files changed, 149 insertions, 121 deletions
diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 8a2d4afc74f8..1128fa8c9ed5 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -7,6 +7,7 @@ * Copyright (c) 2004 Balint Seeber <n0_5p4m_p13453@hotmail.com> * Copyright (c) 2007 Guido Guenther <agx@sigxcpu.org> * Copyright (c) 2007 Kalle Valo <kalle.valo@iki.fi> + * Copyright (c) 2010 Sebastian Smolorz <sesmo@gmx.net> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -88,22 +89,19 @@ #define DBG_DEFAULTS 0 /* Use our own dbg macro */ -#define at76_dbg(bits, format, arg...) \ - do { \ - if (at76_debug & (bits)) \ - printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , \ - ## arg); \ - } while (0) - -#define at76_dbg_dump(bits, buf, len, format, arg...) \ - do { \ - if (at76_debug & (bits)) { \ - printk(KERN_DEBUG DRIVER_NAME ": " format "\n" , \ - ## arg); \ - print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, \ - buf, len); \ - } \ - } while (0) +#define at76_dbg(bits, format, arg...) \ +do { \ + if (at76_debug & (bits)) \ + printk(KERN_DEBUG DRIVER_NAME ": " format "\n", ##arg); \ +} while (0) + +#define at76_dbg_dump(bits, buf, len, format, arg...) \ +do { \ + if (at76_debug & (bits)) { \ + printk(KERN_DEBUG DRIVER_NAME ": " format "\n", ##arg); \ + print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, buf, len); \ + } \ +} while (0) static uint at76_debug = DBG_DEFAULTS; @@ -305,7 +303,7 @@ struct dfu_status { unsigned char poll_timeout[3]; unsigned char state; unsigned char string; -} __attribute__((packed)); +} __packed; static inline int at76_is_intersil(enum board_type board) { @@ -657,8 +655,8 @@ static int at76_get_hw_config(struct at76_priv *priv) exit: kfree(hwcfg); if (ret < 0) - printk(KERN_ERR "%s: cannot get HW Config (error %d)\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "cannot get HW Config (error %d)\n", + ret); return ret; } @@ -793,8 +791,9 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd) do { status = at76_get_cmd_status(priv->udev, cmd); if (status < 0) { - printk(KERN_ERR "%s: at76_get_cmd_status failed: %d\n", - wiphy_name(priv->hw->wiphy), status); + wiphy_err(priv->hw->wiphy, + "at76_get_cmd_status failed: %d\n", + status); break; } @@ -809,9 +808,8 @@ static int at76_wait_completion(struct at76_priv *priv, int cmd) schedule_timeout_interruptible(HZ / 10); /* 100 ms */ if (time_after(jiffies, timeout)) { - printk(KERN_ERR - "%s: completion timeout for command %d\n", - wiphy_name(priv->hw->wiphy), cmd); + wiphy_err(priv->hw->wiphy, + "completion timeout for command %d\n", cmd); status = -ETIMEDOUT; break; } @@ -832,9 +830,9 @@ static int at76_set_mib(struct at76_priv *priv, struct set_mib_buffer *buf) ret = at76_wait_completion(priv, CMD_SET_MIB); if (ret != CMD_STATUS_COMPLETE) { - printk(KERN_INFO - "%s: set_mib: at76_wait_completion failed " - "with %d\n", wiphy_name(priv->hw->wiphy), ret); + wiphy_info(priv->hw->wiphy, + "set_mib: at76_wait_completion failed with %d\n", + ret); ret = -EIO; } @@ -854,8 +852,8 @@ static int at76_set_radio(struct at76_priv *priv, int enable) ret = at76_set_card_command(priv->udev, cmd, NULL, 0); if (ret < 0) - printk(KERN_ERR "%s: at76_set_card_command(%d) failed: %d\n", - wiphy_name(priv->hw->wiphy), cmd, ret); + wiphy_err(priv->hw->wiphy, + "at76_set_card_command(%d) failed: %d\n", cmd, ret); else ret = 1; @@ -875,8 +873,8 @@ static int at76_set_pm_mode(struct at76_priv *priv) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (pm_mode) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "set_mib (pm_mode) failed: %d\n", + ret); return ret; } @@ -892,8 +890,8 @@ static int at76_set_preamble(struct at76_priv *priv, u8 type) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (preamble) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "set_mib (preamble) failed: %d\n", + ret); return ret; } @@ -909,8 +907,8 @@ static int at76_set_frag(struct at76_priv *priv, u16 size) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (frag threshold) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "set_mib (frag threshold) failed: %d\n", ret); return ret; } @@ -926,8 +924,7 @@ static int at76_set_rts(struct at76_priv *priv, u16 size) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (rts) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "set_mib (rts) failed: %d\n", ret); return ret; } @@ -943,8 +940,8 @@ static int at76_set_autorate_fallback(struct at76_priv *priv, int onoff) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (autorate fallback) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "set_mib (autorate fallback) failed: %d\n", ret); return ret; } @@ -962,8 +959,8 @@ static void at76_dump_mib_mac_addr(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_MAC_ADDR, m, sizeof(struct mib_mac_addr)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (MAC_ADDR) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (MAC_ADDR) failed: %d\n", ret); goto exit; } @@ -991,8 +988,8 @@ static void at76_dump_mib_mac_wep(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_MAC_WEP, m, sizeof(struct mib_mac_wep)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (MAC_WEP) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (MAC_WEP) failed: %d\n", ret); goto exit; } @@ -1028,8 +1025,8 @@ static void at76_dump_mib_mac_mgmt(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_MAC_MGMT, m, sizeof(struct mib_mac_mgmt)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (MAC_MGMT) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (MAC_MGMT) failed: %d\n", ret); goto exit; } @@ -1064,8 +1061,8 @@ static void at76_dump_mib_mac(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_MAC, m, sizeof(struct mib_mac)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (MAC) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (MAC) failed: %d\n", ret); goto exit; } @@ -1101,8 +1098,8 @@ static void at76_dump_mib_phy(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_PHY, m, sizeof(struct mib_phy)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (PHY) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (PHY) failed: %d\n", ret); goto exit; } @@ -1134,8 +1131,8 @@ static void at76_dump_mib_local(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_LOCAL, m, sizeof(struct mib_local)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (LOCAL) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (LOCAL) failed: %d\n", ret); goto exit; } @@ -1160,8 +1157,8 @@ static void at76_dump_mib_mdomain(struct at76_priv *priv) ret = at76_get_mib(priv->udev, MIB_MDOMAIN, m, sizeof(struct mib_mdomain)); if (ret < 0) { - printk(KERN_ERR "%s: at76_get_mib (MDOMAIN) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "at76_get_mib (MDOMAIN) failed: %d\n", ret); goto exit; } @@ -1232,16 +1229,16 @@ static int at76_submit_rx_urb(struct at76_priv *priv) struct sk_buff *skb = priv->rx_skb; if (!priv->rx_urb) { - printk(KERN_ERR "%s: %s: priv->rx_urb is NULL\n", - wiphy_name(priv->hw->wiphy), __func__); + wiphy_err(priv->hw->wiphy, "%s: priv->rx_urb is NULL\n", + __func__); return -EFAULT; } if (!skb) { skb = dev_alloc_skb(sizeof(struct at76_rx_buffer)); if (!skb) { - printk(KERN_ERR "%s: cannot allocate rx skbuff\n", - wiphy_name(priv->hw->wiphy)); + wiphy_err(priv->hw->wiphy, + "cannot allocate rx skbuff\n"); ret = -ENOMEM; goto exit; } @@ -1260,15 +1257,14 @@ static int at76_submit_rx_urb(struct at76_priv *priv) at76_dbg(DBG_DEVSTART, "usb_submit_urb returned -ENODEV"); else - printk(KERN_ERR "%s: rx, usb_submit_urb failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "rx, usb_submit_urb failed: %d\n", ret); } exit: if (ret < 0 && ret != -ENODEV) - printk(KERN_ERR "%s: cannot submit rx urb - please unload the " - "driver and/or power cycle the device\n", - wiphy_name(priv->hw->wiphy)); + wiphy_err(priv->hw->wiphy, + "cannot submit rx urb - please unload the driver and/or power cycle the device\n"); return ret; } @@ -1437,8 +1433,8 @@ static int at76_startup_device(struct at76_priv *priv) ret = at76_set_card_command(priv->udev, CMD_STARTUP, &priv->card_config, sizeof(struct at76_card_config)); if (ret < 0) { - printk(KERN_ERR "%s: at76_set_card_command failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "at76_set_card_command failed: %d\n", + ret); return ret; } @@ -1503,8 +1499,8 @@ static void at76_work_set_promisc(struct work_struct *work) ret = at76_set_mib(priv, &priv->mib_buf); if (ret < 0) - printk(KERN_ERR "%s: set_mib (promiscuous_mode) failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, + "set_mib (promiscuous_mode) failed: %d\n", ret); mutex_unlock(&priv->mtx); } @@ -1649,6 +1645,58 @@ exit: return NULL; } +static int at76_join(struct at76_priv *priv) +{ + struct at76_req_join join; + int ret; + + memset(&join, 0, sizeof(struct at76_req_join)); + memcpy(join.essid, priv->essid, priv->essid_size); + join.essid_size = priv->essid_size; + memcpy(join.bssid, priv->bssid, ETH_ALEN); + join.bss_type = INFRASTRUCTURE_MODE; + join.channel = priv->channel; + join.timeout = cpu_to_le16(2000); + + at76_dbg(DBG_MAC80211, "%s: sending CMD_JOIN", __func__); + ret = at76_set_card_command(priv->udev, CMD_JOIN, &join, + sizeof(struct at76_req_join)); + + if (ret < 0) { + wiphy_err(priv->hw->wiphy, "at76_set_card_command failed: %d\n", + ret); + return 0; + } + + ret = at76_wait_completion(priv, CMD_JOIN); + at76_dbg(DBG_MAC80211, "%s: CMD_JOIN returned: 0x%02x", __func__, ret); + if (ret != CMD_STATUS_COMPLETE) { + wiphy_err(priv->hw->wiphy, "at76_wait_completion failed: %d\n", + ret); + return 0; + } + + at76_set_pm_mode(priv); + + return 0; +} + +static void at76_work_join_bssid(struct work_struct *work) +{ + struct at76_priv *priv = container_of(work, struct at76_priv, + work_join_bssid); + + if (priv->device_unplugged) + return; + + mutex_lock(&priv->mtx); + + if (is_valid_ether_addr(priv->bssid)) + at76_join(priv); + + mutex_unlock(&priv->mtx); +} + static void at76_mac80211_tx_callback(struct urb *urb) { struct at76_priv *priv = urb->context; @@ -1686,16 +1734,32 @@ static int at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb) struct at76_priv *priv = hw->priv; struct at76_tx_buffer *tx_buffer = priv->bulk_out_buffer; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; int padding, submit_len, ret; at76_dbg(DBG_MAC80211, "%s()", __func__); if (priv->tx_urb->status == -EINPROGRESS) { - printk(KERN_ERR "%s: %s called while tx urb is pending\n", - wiphy_name(priv->hw->wiphy), __func__); + wiphy_err(priv->hw->wiphy, + "%s called while tx urb is pending\n", __func__); return NETDEV_TX_BUSY; } + /* The following code lines are important when the device is going to + * authenticate with a new bssid. The driver must send CMD_JOIN before + * an authentication frame is transmitted. For this to succeed, the + * correct bssid of the AP must be known. As mac80211 does not inform + * drivers about the bssid prior to the authentication process the + * following workaround is necessary. If the TX frame is an + * authentication frame extract the bssid and send the CMD_JOIN. */ + if (mgmt->frame_control & cpu_to_le16(IEEE80211_STYPE_AUTH)) { + if (compare_ether_addr(priv->bssid, mgmt->bssid)) { + memcpy(priv->bssid, mgmt->bssid, ETH_ALEN); + ieee80211_queue_work(hw, &priv->work_join_bssid); + return NETDEV_TX_BUSY; + } + } + ieee80211_stop_queues(hw); at76_ledtrig_tx_activity(); /* tell ledtrigger we send a packet */ @@ -1725,13 +1789,12 @@ static int at76_mac80211_tx(struct ieee80211_hw *hw, struct sk_buff *skb) submit_len, at76_mac80211_tx_callback, priv); ret = usb_submit_urb(priv->tx_urb, GFP_ATOMIC); if (ret) { - printk(KERN_ERR "%s: error in tx submit urb: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "error in tx submit urb: %d\n", ret); if (ret == -EINVAL) - printk(KERN_ERR - "%s: -EINVAL: tx urb %p hcpriv %p complete %p\n", - wiphy_name(priv->hw->wiphy), priv->tx_urb, - priv->tx_urb->hcpriv, priv->tx_urb->complete); + wiphy_err(priv->hw->wiphy, + "-EINVAL: tx urb %p hcpriv %p complete %p\n", + priv->tx_urb, + priv->tx_urb->hcpriv, priv->tx_urb->complete); } return 0; @@ -1748,8 +1811,8 @@ static int at76_mac80211_start(struct ieee80211_hw *hw) ret = at76_submit_rx_urb(priv); if (ret < 0) { - printk(KERN_ERR "%s: open: submit_rx_urb failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); + wiphy_err(priv->hw->wiphy, "open: submit_rx_urb failed: %d\n", + ret); goto error; } @@ -1770,6 +1833,7 @@ static void at76_mac80211_stop(struct ieee80211_hw *hw) at76_dbg(DBG_MAC80211, "%s()", __func__); cancel_delayed_work(&priv->dwork_hw_scan); + cancel_work_sync(&priv->work_join_bssid); cancel_work_sync(&priv->work_set_promisc); mutex_lock(&priv->mtx); @@ -1818,42 +1882,6 @@ static void at76_remove_interface(struct ieee80211_hw *hw, at76_dbg(DBG_MAC80211, "%s()", __func__); } -static int at76_join(struct at76_priv *priv) -{ - struct at76_req_join join; - int ret; - - memset(&join, 0, sizeof(struct at76_req_join)); - memcpy(join.essid, priv->essid, priv->essid_size); - join.essid_size = priv->essid_size; - memcpy(join.bssid, priv->bssid, ETH_ALEN); - join.bss_type = INFRASTRUCTURE_MODE; - join.channel = priv->channel; - join.timeout = cpu_to_le16(2000); - - at76_dbg(DBG_MAC80211, "%s: sending CMD_JOIN", __func__); - ret = at76_set_card_command(priv->udev, CMD_JOIN, &join, - sizeof(struct at76_req_join)); - - if (ret < 0) { - printk(KERN_ERR "%s: at76_set_card_command failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); - return 0; - } - - ret = at76_wait_completion(priv, CMD_JOIN); - at76_dbg(DBG_MAC80211, "%s: CMD_JOIN returned: 0x%02x", __func__, ret); - if (ret != CMD_STATUS_COMPLETE) { - printk(KERN_ERR "%s: at76_wait_completion failed: %d\n", - wiphy_name(priv->hw->wiphy), ret); - return 0; - } - - at76_set_pm_mode(priv); - - return 0; -} - static void at76_dwork_hw_scan(struct work_struct *work) { struct at76_priv *priv = container_of(work, struct at76_priv, @@ -2107,6 +2135,7 @@ static struct at76_priv *at76_alloc_new_device(struct usb_device *udev) mutex_init(&priv->mtx); INIT_WORK(&priv->work_set_promisc, at76_work_set_promisc); INIT_WORK(&priv->work_submit_rx, at76_work_submit_rx); + INIT_WORK(&priv->work_join_bssid, at76_work_join_bssid); INIT_DELAYED_WORK(&priv->dwork_hw_scan, at76_dwork_hw_scan); tasklet_init(&priv->rx_tasklet, at76_rx_tasklet, 0); @@ -2281,14 +2310,12 @@ static int at76_init_new_device(struct at76_priv *priv, priv->mac80211_registered = 1; - printk(KERN_INFO "%s: USB %s, MAC %pM, firmware %d.%d.%d-%d\n", - wiphy_name(priv->hw->wiphy), - dev_name(&interface->dev), priv->mac_addr, - priv->fw_version.major, priv->fw_version.minor, - priv->fw_version.patch, priv->fw_version.build); - printk(KERN_INFO "%s: regulatory domain 0x%02x: %s\n", - wiphy_name(priv->hw->wiphy), - priv->regulatory_domain, priv->domain->name); + wiphy_info(priv->hw->wiphy, "USB %s, MAC %pM, firmware %d.%d.%d-%d\n", + dev_name(&interface->dev), priv->mac_addr, + priv->fw_version.major, priv->fw_version.minor, + priv->fw_version.patch, priv->fw_version.build); + wiphy_info(priv->hw->wiphy, "regulatory domain 0x%02x: %s\n", + priv->regulatory_domain, priv->domain->name); exit: return ret; @@ -2450,7 +2477,7 @@ static void at76_disconnect(struct usb_interface *interface) if (!priv) return; - printk(KERN_INFO "%s: disconnecting\n", wiphy_name(priv->hw->wiphy)); + wiphy_info(priv->hw->wiphy, "disconnecting\n"); at76_delete_device(priv); dev_printk(KERN_INFO, &interface->dev, "disconnected\n"); } @@ -2508,5 +2535,6 @@ MODULE_AUTHOR("Balint Seeber <n0_5p4m_p13453@hotmail.com>"); MODULE_AUTHOR("Pavel Roskin <proski@gnu.org>"); MODULE_AUTHOR("Guido Guenther <agx@sigxcpu.org>"); MODULE_AUTHOR("Kalle Valo <kalle.valo@iki.fi>"); +MODULE_AUTHOR("Sebastian Smolorz <sesmo@gmx.net>"); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); |