2383 lines
56 KiB
C
2383 lines
56 KiB
C
/*
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* Copyright (c) 2010 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define __UNDEF_NO_VERSION__
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#include <linux/kernel.h>
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#include <linux/etherdevice.h>
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#include <linux/string.h>
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#include <linux/pci_ids.h>
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#include <bcmdefs.h>
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#include <linuxver.h>
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#include <osl.h>
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#define WLC_MAXBSSCFG 1 /* single BSS configs */
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#include <wlc_cfg.h>
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#include <net/mac80211.h>
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#include <epivers.h>
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#ifndef WLC_HIGH_ONLY
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#include <phy_version.h>
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#endif
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#include <bcmutils.h>
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#include <pcicfg.h>
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#include <wlioctl.h>
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#include <wlc_key.h>
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#include <wlc_channel.h>
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#include <wlc_pub.h>
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#include <wlc_scb.h>
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#include <wl_dbg.h>
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#ifdef BCMSDIO
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#include <bcmsdh.h>
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#endif
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#include <wl_export.h>
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#ifdef WLC_HIGH_ONLY
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#include "dbus.h"
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#include "bcm_rpc_tp.h"
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#include "bcm_rpc.h"
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#include "bcm_xdr.h"
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#include "wlc_rpc.h"
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#endif
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#include <wl_mac80211.h>
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#include <linux/firmware.h>
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#ifndef WLC_HIGH_ONLY
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#include <wl_ucode.h>
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#include <d11ucode_ext.h>
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#endif
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#ifdef BCMSDIO
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extern struct device *sdiommc_dev;
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#endif
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extern void wlc_wme_setparams(wlc_info_t *wlc, u16 aci, void *arg,
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bool suspend);
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bool wlc_sendpkt_mac80211(wlc_info_t *wlc, void *sdu, struct ieee80211_hw *hw);
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void wlc_mac_bcn_promisc_change(wlc_info_t *wlc, bool promisc);
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void wlc_set_addrmatch(wlc_info_t *wlc, int match_reg_offset,
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const struct ether_addr *addr);
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static void wl_timer(unsigned long data);
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static void _wl_timer(wl_timer_t *t);
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#ifdef WLC_HIGH_ONLY
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#define RPCQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->rpcq_lock, (_flags))
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#define RPCQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->rpcq_lock, (_flags))
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#define TXQ_LOCK(_wl, _flags) spin_lock_irqsave(&(_wl)->txq_lock, (_flags))
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#define TXQ_UNLOCK(_wl, _flags) spin_unlock_irqrestore(&(_wl)->txq_lock, (_flags))
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static void wl_rpc_down(void *wlh);
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static void wl_rpcq_free(wl_info_t *wl);
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static void wl_rpcq_dispatch(struct wl_task *task);
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static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf);
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static void wl_start_txqwork(struct wl_task *task);
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static void wl_txq_free(wl_info_t *wl);
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static void wl_timer_task(wl_task_t *task);
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static int wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *),
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void *context);
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#endif /* WLC_HIGH_ONLY */
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static int ieee_hw_init(struct ieee80211_hw *hw);
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static int ieee_hw_rate_init(struct ieee80211_hw *hw);
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static int wl_linux_watchdog(void *ctx);
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/* Flags we support */
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#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
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FIF_ALLMULTI | \
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FIF_FCSFAIL | \
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FIF_PLCPFAIL | \
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FIF_CONTROL | \
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FIF_OTHER_BSS | \
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FIF_BCN_PRBRESP_PROMISC)
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static int wl_found;
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struct ieee80211_tkip_data {
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#define TKIP_KEY_LEN 32
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u8 key[TKIP_KEY_LEN];
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int key_set;
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u32 tx_iv32;
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u16 tx_iv16;
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u16 tx_ttak[5];
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int tx_phase1_done;
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u32 rx_iv32;
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u16 rx_iv16;
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u16 rx_ttak[5];
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int rx_phase1_done;
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u32 rx_iv32_new;
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u16 rx_iv16_new;
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u32 dot11RSNAStatsTKIPReplays;
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u32 dot11RSNAStatsTKIPICVErrors;
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u32 dot11RSNAStatsTKIPLocalMICFailures;
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int key_idx;
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struct crypto_tfm *tfm_arc4;
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struct crypto_tfm *tfm_michael;
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/* scratch buffers for virt_to_page() (crypto API) */
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u8 rx_hdr[16], tx_hdr[16];
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};
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#ifndef WLC_HIGH_ONLY
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#define WL_DEV_IF(dev) ((wl_if_t *)netdev_priv(dev))
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#define WL_INFO(dev) ((wl_info_t *)(WL_DEV_IF(dev)->wl)) /* points to wl */
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static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev);
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static void wl_release_fw(wl_info_t *wl);
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#endif
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/* local prototypes */
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static int wl_start(struct sk_buff *skb, wl_info_t *wl);
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static int wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw,
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struct sk_buff *skb);
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static void wl_dpc(unsigned long data);
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MODULE_AUTHOR("Broadcom Corporation");
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MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
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MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN cards");
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MODULE_LICENSE("Dual BSD/GPL");
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#ifndef BCMSDIO
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/* recognized PCI IDs */
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static struct pci_device_id wl_id_table[] = {
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{PCI_VENDOR_ID_BROADCOM, 0x4357, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43225 2G */
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{PCI_VENDOR_ID_BROADCOM, 0x4353, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 43224 DUAL */
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{PCI_VENDOR_ID_BROADCOM, 0x4727, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, /* 4313 DUAL */
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{0}
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};
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MODULE_DEVICE_TABLE(pci, wl_id_table);
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static void wl_remove(struct pci_dev *pdev);
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#endif /* !BCMSDIO */
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#ifdef BCMSDIO
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static uint sd_drivestrength = 6;
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module_param(sd_drivestrength, uint, 0);
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#endif
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#ifdef BCMDBG
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static int msglevel = 0xdeadbeef;
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module_param(msglevel, int, 0);
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#ifndef WLC_HIGH_ONLY
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static int phymsglevel = 0xdeadbeef;
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module_param(phymsglevel, int, 0);
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#endif /* WLC_HIGH_ONLY */
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#endif /* BCMDBG */
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static int oneonly;
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module_param(oneonly, int, 0);
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static int piomode;
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module_param(piomode, int, 0);
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static int instance_base; /* Starting instance number */
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module_param(instance_base, int, 0);
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#if defined(BCMDBG)
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static char *macaddr;
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module_param(macaddr, charp, S_IRUGO);
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#endif
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static int nompc = 1;
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module_param(nompc, int, 0);
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static char name[IFNAMSIZ] = "eth%d";
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module_param_string(name, name, IFNAMSIZ, 0);
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#ifndef SRCBASE
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#define SRCBASE "."
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#endif
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#define WL_MAGIC 0xdeadbeef
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#define HW_TO_WL(hw) (hw->priv)
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#define WL_TO_HW(wl) (wl->pub->ieee_hw)
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#ifdef WLC_HIGH_ONLY
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static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb);
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#else
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static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
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#endif
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static int wl_ops_start(struct ieee80211_hw *hw);
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static void wl_ops_stop(struct ieee80211_hw *hw);
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static int wl_ops_add_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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static void wl_ops_remove_interface(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif);
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static int wl_ops_config(struct ieee80211_hw *hw, u32 changed);
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static void wl_ops_bss_info_changed(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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struct ieee80211_bss_conf *info,
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u32 changed);
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static void wl_ops_configure_filter(struct ieee80211_hw *hw,
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unsigned int changed_flags,
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unsigned int *total_flags, u64 multicast);
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static int wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
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bool set);
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static void wl_ops_sw_scan_start(struct ieee80211_hw *hw);
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static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw);
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static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
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static int wl_ops_get_stats(struct ieee80211_hw *hw,
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struct ieee80211_low_level_stats *stats);
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static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value);
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static void wl_ops_sta_notify(struct ieee80211_hw *hw,
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struct ieee80211_vif *vif,
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enum sta_notify_cmd cmd,
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struct ieee80211_sta *sta);
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static int wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
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const struct ieee80211_tx_queue_params *params);
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static u64 wl_ops_get_tsf(struct ieee80211_hw *hw);
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static int wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta);
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static int wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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struct ieee80211_sta *sta);
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static int wl_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
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enum ieee80211_ampdu_mlme_action action,
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struct ieee80211_sta *sta, u16 tid, u16 *ssn);
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#ifdef WLC_HIGH_ONLY
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static int wl_ops_tx_nl(struct ieee80211_hw *hw, struct sk_buff *skb)
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{
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int status;
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wl_info_t *wl = hw->priv;
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if (!wl->pub->up) {
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WL_ERROR(("ops->tx called while down\n"));
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status = -ENETDOWN;
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goto done;
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}
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status = wl_start(skb, wl);
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done:
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return status;
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}
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#else
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static int wl_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
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{
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int status;
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wl_info_t *wl = hw->priv;
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WL_LOCK(wl);
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if (!wl->pub->up) {
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WL_ERROR(("ops->tx called while down\n"));
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status = -ENETDOWN;
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goto done;
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}
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status = wl_start(skb, wl);
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done:
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WL_UNLOCK(wl);
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return status;
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}
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#endif /* WLC_HIGH_ONLY */
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static int wl_ops_start(struct ieee80211_hw *hw)
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{
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wl_info_t *wl = hw->priv;
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/* struct ieee80211_channel *curchan = hw->conf.channel; */
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WL_NONE(("%s : Initial channel: %d\n", __func__, curchan->hw_value));
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WL_LOCK(wl);
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ieee80211_wake_queues(hw);
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WL_UNLOCK(wl);
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return 0;
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}
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static void wl_ops_stop(struct ieee80211_hw *hw)
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{
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wl_info_t *wl = hw->priv;
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ASSERT(wl);
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WL_LOCK(wl);
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wl_down(wl);
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ieee80211_stop_queues(hw);
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WL_UNLOCK(wl);
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return;
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}
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static int
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wl_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
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{
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wl_info_t *wl;
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int err;
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/* Just STA for now */
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if (vif->type != NL80211_IFTYPE_AP &&
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vif->type != NL80211_IFTYPE_MESH_POINT &&
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vif->type != NL80211_IFTYPE_STATION &&
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vif->type != NL80211_IFTYPE_WDS &&
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vif->type != NL80211_IFTYPE_ADHOC) {
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WL_ERROR(("%s: Attempt to add type %d, only STA for now\n",
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__func__, vif->type));
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return -EOPNOTSUPP;
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}
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wl = HW_TO_WL(hw);
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WL_LOCK(wl);
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err = wl_up(wl);
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WL_UNLOCK(wl);
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if (err != 0)
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WL_ERROR(("%s: wl_up() returned %d\n", __func__, err));
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return err;
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}
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static void
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wl_ops_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
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{
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return;
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}
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static int
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ieee_set_channel(struct ieee80211_hw *hw, struct ieee80211_channel *chan,
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enum nl80211_channel_type type)
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{
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wl_info_t *wl = HW_TO_WL(hw);
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int err = 0;
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switch (type) {
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case NL80211_CHAN_HT20:
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case NL80211_CHAN_NO_HT:
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WL_LOCK(wl);
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err = wlc_set(wl->wlc, WLC_SET_CHANNEL, chan->hw_value);
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WL_UNLOCK(wl);
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break;
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case NL80211_CHAN_HT40MINUS:
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case NL80211_CHAN_HT40PLUS:
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WL_ERROR(("%s: Need to implement 40 Mhz Channels!\n",
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__func__));
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break;
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}
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if (err)
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return -EIO;
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return err;
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}
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static int wl_ops_config(struct ieee80211_hw *hw, u32 changed)
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{
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struct ieee80211_conf *conf = &hw->conf;
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wl_info_t *wl = HW_TO_WL(hw);
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int err = 0;
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int new_int;
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if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
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WL_NONE(("%s: Setting listen interval to %d\n",
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__func__, conf->listen_interval));
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if (wlc_iovar_setint
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(wl->wlc, "bcn_li_bcn", conf->listen_interval)) {
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WL_ERROR(("%s: Error setting listen_interval\n",
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__func__));
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err = -EIO;
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goto config_out;
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}
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wlc_iovar_getint(wl->wlc, "bcn_li_bcn", &new_int);
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ASSERT(new_int == conf->listen_interval);
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}
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if (changed & IEEE80211_CONF_CHANGE_MONITOR)
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WL_NONE(("Need to set monitor mode\n"));
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if (changed & IEEE80211_CONF_CHANGE_PS)
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WL_NONE(("Need to set Power-save mode\n"));
|
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|
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if (changed & IEEE80211_CONF_CHANGE_POWER) {
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WL_NONE(("%s: Setting tx power to %d dbm\n", __func__,
|
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conf->power_level));
|
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if (wlc_iovar_setint
|
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(wl->wlc, "qtxpower", conf->power_level * 4)) {
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WL_ERROR(("%s: Error setting power_level\n", __func__));
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err = -EIO;
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goto config_out;
|
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}
|
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wlc_iovar_getint(wl->wlc, "qtxpower", &new_int);
|
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if (new_int != (conf->power_level * 4))
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WL_ERROR(("%s: Power level req != actual, %d %d\n",
|
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__func__, conf->power_level * 4, new_int));
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}
|
|
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
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err = ieee_set_channel(hw, conf->channel, conf->channel_type);
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}
|
|
if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
|
|
WL_NONE(("%s: srl %d, lrl %d\n", __func__,
|
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conf->short_frame_max_tx_count,
|
|
conf->long_frame_max_tx_count));
|
|
if (wlc_set
|
|
(wl->wlc, WLC_SET_SRL,
|
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conf->short_frame_max_tx_count) < 0) {
|
|
WL_ERROR(("%s: Error setting srl\n", __func__));
|
|
err = -EIO;
|
|
goto config_out;
|
|
}
|
|
if (wlc_set(wl->wlc, WLC_SET_LRL, conf->long_frame_max_tx_count)
|
|
< 0) {
|
|
WL_ERROR(("%s: Error setting lrl\n", __func__));
|
|
err = -EIO;
|
|
goto config_out;
|
|
}
|
|
}
|
|
|
|
config_out:
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
wl_ops_bss_info_changed(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
struct ieee80211_bss_conf *info, u32 changed)
|
|
{
|
|
wl_info_t *wl = HW_TO_WL(hw);
|
|
int val;
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
WL_LOCK(wl);
|
|
#endif
|
|
|
|
if (changed & BSS_CHANGED_ASSOC) {
|
|
WL_ERROR(("Associated:\t%s\n", info->assoc ? "True" : "False"));
|
|
/* association status changed (associated/disassociated)
|
|
* also implies a change in the AID.
|
|
*/
|
|
}
|
|
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
|
|
WL_NONE(("Use_cts_prot:\t%s Implement me\n",
|
|
info->use_cts_prot ? "True" : "False"));
|
|
/* CTS protection changed */
|
|
}
|
|
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
|
|
WL_NONE(("Short preamble:\t%s Implement me\n",
|
|
info->use_short_preamble ? "True" : "False"));
|
|
/* preamble changed */
|
|
}
|
|
if (changed & BSS_CHANGED_ERP_SLOT) {
|
|
WL_NONE(("Changing short slot:\t%s\n",
|
|
info->use_short_slot ? "True" : "False"));
|
|
if (info->use_short_slot)
|
|
val = 1;
|
|
else
|
|
val = 0;
|
|
wlc_set(wl->wlc, WLC_SET_SHORTSLOT_OVERRIDE, val);
|
|
/* slot timing changed */
|
|
}
|
|
|
|
if (changed & BSS_CHANGED_HT) {
|
|
WL_NONE(("%s: HT mode - Implement me\n", __func__));
|
|
/* 802.11n parameters changed */
|
|
}
|
|
if (changed & BSS_CHANGED_BASIC_RATES) {
|
|
WL_NONE(("Need to change Basic Rates:\t0x%x! Implement me\n",
|
|
(u32) info->basic_rates));
|
|
/* Basic rateset changed */
|
|
}
|
|
if (changed & BSS_CHANGED_BEACON_INT) {
|
|
WL_NONE(("Beacon Interval:\t%d Implement me\n",
|
|
info->beacon_int));
|
|
/* Beacon interval changed */
|
|
}
|
|
if (changed & BSS_CHANGED_BSSID) {
|
|
WL_NONE(("new BSSID:\taid %d bss:%pM\n", info->aid,
|
|
info->bssid));
|
|
/* BSSID changed, for whatever reason (IBSS and managed mode) */
|
|
/* FIXME: need to store bssid in bsscfg */
|
|
wlc_set_addrmatch(wl->wlc, RCM_BSSID_OFFSET,
|
|
(struct ether_addr *)info->bssid);
|
|
}
|
|
if (changed & BSS_CHANGED_BEACON) {
|
|
WL_ERROR(("BSS_CHANGED_BEACON\n"));
|
|
/* Beacon data changed, retrieve new beacon (beaconing modes) */
|
|
}
|
|
if (changed & BSS_CHANGED_BEACON_ENABLED) {
|
|
WL_ERROR(("Beacon enabled:\t%s\n",
|
|
info->enable_beacon ? "True" : "False"));
|
|
/* Beaconing should be enabled/disabled (beaconing modes) */
|
|
}
|
|
#ifdef WLC_HIGH_ONLY
|
|
WL_UNLOCK(wl);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
static void
|
|
wl_ops_configure_filter(struct ieee80211_hw *hw,
|
|
unsigned int changed_flags,
|
|
unsigned int *total_flags, u64 multicast)
|
|
{
|
|
#ifndef WLC_HIGH_ONLY
|
|
wl_info_t *wl = hw->priv;
|
|
#endif
|
|
|
|
changed_flags &= MAC_FILTERS;
|
|
*total_flags &= MAC_FILTERS;
|
|
if (changed_flags & FIF_PROMISC_IN_BSS)
|
|
WL_ERROR(("FIF_PROMISC_IN_BSS\n"));
|
|
if (changed_flags & FIF_ALLMULTI)
|
|
WL_ERROR(("FIF_ALLMULTI\n"));
|
|
if (changed_flags & FIF_FCSFAIL)
|
|
WL_ERROR(("FIF_FCSFAIL\n"));
|
|
if (changed_flags & FIF_PLCPFAIL)
|
|
WL_ERROR(("FIF_PLCPFAIL\n"));
|
|
if (changed_flags & FIF_CONTROL)
|
|
WL_ERROR(("FIF_CONTROL\n"));
|
|
if (changed_flags & FIF_OTHER_BSS)
|
|
WL_ERROR(("FIF_OTHER_BSS\n"));
|
|
if (changed_flags & FIF_BCN_PRBRESP_PROMISC) {
|
|
WL_NONE(("FIF_BCN_PRBRESP_PROMISC\n"));
|
|
#ifndef WLC_HIGH_ONLY
|
|
WL_LOCK(wl);
|
|
if (*total_flags & FIF_BCN_PRBRESP_PROMISC) {
|
|
wl->pub->mac80211_state |= MAC80211_PROMISC_BCNS;
|
|
wlc_mac_bcn_promisc_change(wl->wlc, 1);
|
|
} else {
|
|
wlc_mac_bcn_promisc_change(wl->wlc, 0);
|
|
wl->pub->mac80211_state &= ~MAC80211_PROMISC_BCNS;
|
|
}
|
|
WL_UNLOCK(wl);
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
wl_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta, bool set)
|
|
{
|
|
WL_ERROR(("%s: Enter\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
static void wl_ops_sw_scan_start(struct ieee80211_hw *hw)
|
|
{
|
|
WL_NONE(("Scan Start\n"));
|
|
return;
|
|
}
|
|
|
|
static void wl_ops_sw_scan_complete(struct ieee80211_hw *hw)
|
|
{
|
|
WL_NONE(("Scan Complete\n"));
|
|
return;
|
|
}
|
|
|
|
static void wl_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf)
|
|
{
|
|
WL_ERROR(("%s: Enter\n", __func__));
|
|
return;
|
|
}
|
|
|
|
static int
|
|
wl_ops_get_stats(struct ieee80211_hw *hw,
|
|
struct ieee80211_low_level_stats *stats)
|
|
{
|
|
WL_ERROR(("%s: Enter\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
static int wl_ops_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
|
|
{
|
|
WL_ERROR(("%s: Enter\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
wl_ops_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
|
|
{
|
|
WL_NONE(("%s: Enter\n", __func__));
|
|
switch (cmd) {
|
|
default:
|
|
WL_ERROR(("%s: Uknown cmd = %d\n", __func__, cmd));
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static int
|
|
wl_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
|
|
const struct ieee80211_tx_queue_params *params)
|
|
{
|
|
wl_info_t *wl = hw->priv;
|
|
|
|
WL_NONE(("%s: Enter (WME config)\n", __func__));
|
|
WL_NONE(("queue %d, txop %d, cwmin %d, cwmax %d, aifs %d\n", queue,
|
|
params->txop, params->cw_min, params->cw_max, params->aifs));
|
|
|
|
WL_LOCK(wl);
|
|
wlc_wme_setparams(wl->wlc, queue, (void *)params, true);
|
|
WL_UNLOCK(wl);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static u64 wl_ops_get_tsf(struct ieee80211_hw *hw)
|
|
{
|
|
WL_ERROR(("%s: Enter\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wl_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
struct scb *scb;
|
|
|
|
int i;
|
|
wl_info_t *wl = hw->priv;
|
|
|
|
/* Init the scb */
|
|
scb = (struct scb *)sta->drv_priv;
|
|
bzero(scb, sizeof(struct scb));
|
|
for (i = 0; i < NUMPRIO; i++)
|
|
scb->seqctl[i] = 0xFFFF;
|
|
scb->seqctl_nonqos = 0xFFFF;
|
|
scb->magic = SCB_MAGIC;
|
|
|
|
wl->pub->global_scb = scb;
|
|
wl->pub->global_ampdu = &(scb->scb_ampdu);
|
|
wl->pub->global_ampdu->scb = scb;
|
|
#ifdef WLC_HIGH_ONLY
|
|
wl->pub->global_ampdu->max_pdu = AMPDU_NUM_MPDU;
|
|
#else
|
|
wl->pub->global_ampdu->max_pdu = 16;
|
|
#endif
|
|
pktq_init(&scb->scb_ampdu.txq, AMPDU_MAX_SCB_TID,
|
|
AMPDU_MAX_SCB_TID * PKTQ_LEN_DEFAULT);
|
|
|
|
sta->ht_cap.ht_supported = true;
|
|
#ifdef WLC_HIGH_ONLY
|
|
sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_16K;
|
|
#else
|
|
sta->ht_cap.ampdu_factor = AMPDU_RX_FACTOR_64K;
|
|
#endif
|
|
sta->ht_cap.ampdu_density = AMPDU_DEF_MPDU_DENSITY;
|
|
sta->ht_cap.cap = IEEE80211_HT_CAP_GRN_FLD |
|
|
IEEE80211_HT_CAP_SGI_20 |
|
|
IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT;
|
|
|
|
/* minstrel_ht initiates addBA on our behalf by calling ieee80211_start_tx_ba_session() */
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wl_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
|
|
struct ieee80211_sta *sta)
|
|
{
|
|
WL_NONE(("%s: Enter\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
wl_ampdu_action(struct ieee80211_hw *hw,
|
|
struct ieee80211_vif *vif,
|
|
enum ieee80211_ampdu_mlme_action action,
|
|
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
|
|
{
|
|
#if defined(BCMDBG)
|
|
struct scb *scb = (struct scb *)sta->drv_priv;
|
|
#endif
|
|
wl_info_t *wl = hw->priv;
|
|
|
|
ASSERT(scb->magic == SCB_MAGIC);
|
|
switch (action) {
|
|
case IEEE80211_AMPDU_RX_START:
|
|
WL_NONE(("%s: action = IEEE80211_AMPDU_RX_START\n", __func__));
|
|
break;
|
|
case IEEE80211_AMPDU_RX_STOP:
|
|
WL_NONE(("%s: action = IEEE80211_AMPDU_RX_STOP\n", __func__));
|
|
break;
|
|
case IEEE80211_AMPDU_TX_START:
|
|
if (!wlc_aggregatable(wl->wlc, tid)) {
|
|
/* WL_ERROR(("START: tid %d is not agg' able, return FAILURE to stack\n", tid)); */
|
|
return -1;
|
|
}
|
|
/* XXX: Use the starting sequence number provided ... */
|
|
*ssn = 0;
|
|
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
|
break;
|
|
|
|
case IEEE80211_AMPDU_TX_STOP:
|
|
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
|
|
break;
|
|
case IEEE80211_AMPDU_TX_OPERATIONAL:
|
|
/* Not sure what to do here */
|
|
/* Power save wakeup */
|
|
WL_NONE(("%s: action = IEEE80211_AMPDU_TX_OPERATIONAL\n",
|
|
__func__));
|
|
break;
|
|
default:
|
|
WL_ERROR(("%s: Invalid command, ignoring\n", __func__));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct ieee80211_ops wl_ops = {
|
|
#ifdef WLC_HIGH_ONLY
|
|
.tx = wl_ops_tx_nl,
|
|
#else
|
|
.tx = wl_ops_tx,
|
|
#endif
|
|
.start = wl_ops_start,
|
|
.stop = wl_ops_stop,
|
|
.add_interface = wl_ops_add_interface,
|
|
.remove_interface = wl_ops_remove_interface,
|
|
.config = wl_ops_config,
|
|
.bss_info_changed = wl_ops_bss_info_changed,
|
|
.configure_filter = wl_ops_configure_filter,
|
|
.set_tim = wl_ops_set_tim,
|
|
.sw_scan_start = wl_ops_sw_scan_start,
|
|
.sw_scan_complete = wl_ops_sw_scan_complete,
|
|
.set_tsf = wl_ops_set_tsf,
|
|
.get_stats = wl_ops_get_stats,
|
|
.set_rts_threshold = wl_ops_set_rts_threshold,
|
|
.sta_notify = wl_ops_sta_notify,
|
|
.conf_tx = wl_ops_conf_tx,
|
|
.get_tsf = wl_ops_get_tsf,
|
|
.sta_add = wl_sta_add,
|
|
.sta_remove = wl_sta_remove,
|
|
.ampdu_action = wl_ampdu_action,
|
|
};
|
|
|
|
static int wl_set_hint(wl_info_t *wl, char *abbrev)
|
|
{
|
|
WL_ERROR(("%s: Sending country code %c%c to MAC80211\n", __func__,
|
|
abbrev[0], abbrev[1]));
|
|
return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
|
|
}
|
|
|
|
/**
|
|
* attach to the WL device.
|
|
*
|
|
* Attach to the WL device identified by vendor and device parameters.
|
|
* regs is a host accessible memory address pointing to WL device registers.
|
|
*
|
|
* wl_attach is not defined as static because in the case where no bus
|
|
* is defined, wl_attach will never be called, and thus, gcc will issue
|
|
* a warning that this function is defined but not used if we declare
|
|
* it as static.
|
|
*/
|
|
static wl_info_t *wl_attach(u16 vendor, u16 device, unsigned long regs,
|
|
uint bustype, void *btparam, uint irq)
|
|
{
|
|
wl_info_t *wl;
|
|
osl_t *osh;
|
|
int unit, err;
|
|
|
|
unsigned long base_addr;
|
|
struct ieee80211_hw *hw;
|
|
u8 perm[ETH_ALEN];
|
|
|
|
unit = wl_found + instance_base;
|
|
err = 0;
|
|
|
|
if (unit < 0) {
|
|
WL_ERROR(("wl%d: unit number overflow, exiting\n", unit));
|
|
return NULL;
|
|
}
|
|
|
|
if (oneonly && (unit != instance_base)) {
|
|
WL_ERROR(("wl%d: wl_attach: oneonly is set, exiting\n", unit));
|
|
return NULL;
|
|
}
|
|
|
|
/* Requires pkttag feature */
|
|
osh = osl_attach(btparam, bustype, true);
|
|
ASSERT(osh);
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops);
|
|
if (!hw) {
|
|
WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__));
|
|
ASSERT(0);
|
|
}
|
|
|
|
bzero(hw->priv, sizeof(*wl));
|
|
wl = hw->priv;
|
|
#else
|
|
/* allocate private info */
|
|
hw = pci_get_drvdata(btparam); /* btparam == pdev */
|
|
wl = hw->priv;
|
|
#endif
|
|
ASSERT(wl);
|
|
|
|
wl->magic = WL_MAGIC;
|
|
wl->osh = osh;
|
|
atomic_set(&wl->callbacks, 0);
|
|
|
|
/* setup the bottom half handler */
|
|
tasklet_init(&wl->tasklet, wl_dpc, (unsigned long) wl);
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
wl->rpc_th = bcm_rpc_tp_attach(osh, NULL);
|
|
if (wl->rpc_th == NULL) {
|
|
WL_ERROR(("wl%d: %s: bcm_rpc_tp_attach failed!\n", unit,
|
|
__func__));
|
|
goto fail;
|
|
}
|
|
|
|
wl->rpc = bcm_rpc_attach(NULL, osh, wl->rpc_th);
|
|
if (wl->rpc == NULL) {
|
|
WL_ERROR(("wl%d: %s: bcm_rpc_attach failed!\n", unit,
|
|
__func__));
|
|
goto fail;
|
|
}
|
|
|
|
/* init tx work queue for wl_start/send pkt; no need to destroy workitem */
|
|
INIT_WORK(&wl->txq_task.work, (work_func_t) wl_start_txqwork);
|
|
wl->txq_task.context = wl;
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
#ifdef BCMSDIO
|
|
SET_IEEE80211_DEV(hw, sdiommc_dev);
|
|
#endif
|
|
|
|
base_addr = regs;
|
|
|
|
if (bustype == PCI_BUS) {
|
|
/* piomode can be overwritten by command argument */
|
|
wl->piomode = piomode;
|
|
WL_TRACE(("PCI/%s\n", wl->piomode ? "PIO" : "DMA"));
|
|
} else if (bustype == RPC_BUS) {
|
|
/* Do nothing */
|
|
} else {
|
|
bustype = PCI_BUS;
|
|
WL_TRACE(("force to PCI\n"));
|
|
}
|
|
wl->bcm_bustype = bustype;
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
if (wl->bcm_bustype == RPC_BUS) {
|
|
wl->regsva = (void *)0;
|
|
btparam = wl->rpc;
|
|
} else
|
|
#endif
|
|
wl->regsva = ioremap_nocache(base_addr, PCI_BAR0_WINSZ);
|
|
if (wl->regsva == NULL) {
|
|
WL_ERROR(("wl%d: ioremap() failed\n", unit));
|
|
goto fail;
|
|
}
|
|
#ifdef WLC_HIGH_ONLY
|
|
spin_lock_init(&wl->rpcq_lock);
|
|
spin_lock_init(&wl->txq_lock);
|
|
|
|
sema_init(&wl->sem, 1);
|
|
#else
|
|
spin_lock_init(&wl->lock);
|
|
spin_lock_init(&wl->isr_lock);
|
|
#endif
|
|
|
|
#ifndef WLC_HIGH_ONLY
|
|
/* prepare ucode */
|
|
if (wl_request_fw(wl, (struct pci_dev *)btparam)) {
|
|
printf("%s: Failed to find firmware usually in %s\n",
|
|
KBUILD_MODNAME, "/lib/firmware/brcm");
|
|
wl_release_fw(wl);
|
|
wl_remove((struct pci_dev *)btparam);
|
|
goto fail1;
|
|
}
|
|
#endif
|
|
|
|
/* common load-time initialization */
|
|
wl->wlc = wlc_attach((void *)wl, vendor, device, unit, wl->piomode, osh,
|
|
wl->regsva, wl->bcm_bustype, btparam, &err);
|
|
#ifndef WLC_HIGH_ONLY
|
|
wl_release_fw(wl);
|
|
#endif
|
|
if (!wl->wlc) {
|
|
printf("%s: %s wlc_attach() failed with code %d\n",
|
|
KBUILD_MODNAME, EPI_VERSION_STR, err);
|
|
goto fail;
|
|
}
|
|
wl->pub = wlc_pub(wl->wlc);
|
|
|
|
wl->pub->ieee_hw = hw;
|
|
ASSERT(wl->pub->ieee_hw);
|
|
ASSERT(wl->pub->ieee_hw->priv == wl);
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
REGOPSSET(osh, (osl_rreg_fn_t) wlc_reg_read,
|
|
(osl_wreg_fn_t) wlc_reg_write, wl->wlc);
|
|
wl->rpc_dispatch_ctx.rpc = wl->rpc;
|
|
wl->rpc_dispatch_ctx.wlc = wl->wlc;
|
|
bcm_rpc_rxcb_init(wl->rpc, wl, wl_rpc_dispatch_schedule, wl,
|
|
wl_rpc_down, NULL, NULL);
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
if (nompc) {
|
|
if (wlc_iovar_setint(wl->wlc, "mpc", 0)) {
|
|
WL_ERROR(("wl%d: Error setting MPC variable to 0\n",
|
|
unit));
|
|
}
|
|
}
|
|
#ifdef BCMSDIO
|
|
/* Set SDIO drive strength */
|
|
wlc_iovar_setint(wl->wlc, "sd_drivestrength", sd_drivestrength);
|
|
#endif
|
|
|
|
#ifdef WLC_LOW
|
|
/* register our interrupt handler */
|
|
if (request_irq(irq, wl_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
|
|
WL_ERROR(("wl%d: request_irq() failed\n", unit));
|
|
goto fail;
|
|
}
|
|
wl->irq = irq;
|
|
#endif /* WLC_LOW */
|
|
|
|
/* register module */
|
|
wlc_module_register(wl->pub, NULL, "linux", wl, NULL, wl_linux_watchdog,
|
|
NULL);
|
|
|
|
if (ieee_hw_init(hw)) {
|
|
WL_ERROR(("wl%d: %s: ieee_hw_init failed!\n", unit, __func__));
|
|
goto fail;
|
|
}
|
|
|
|
bcopy(&wl->pub->cur_etheraddr, perm, ETHER_ADDR_LEN);
|
|
ASSERT(is_valid_ether_addr(perm));
|
|
SET_IEEE80211_PERM_ADDR(hw, perm);
|
|
|
|
err = ieee80211_register_hw(hw);
|
|
if (err) {
|
|
WL_ERROR(("%s: ieee80211_register_hw failed, status %d\n",
|
|
__func__, err));
|
|
}
|
|
|
|
if (wl->pub->srom_ccode[0])
|
|
err = wl_set_hint(wl, wl->pub->srom_ccode);
|
|
else
|
|
err = wl_set_hint(wl, "US");
|
|
if (err) {
|
|
WL_ERROR(("%s: regulatory_hint failed, status %d\n", __func__,
|
|
err));
|
|
}
|
|
#ifndef WLC_HIGH_ONLY
|
|
WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver "
|
|
EPI_VERSION_STR " (" PHY_VERSION_STR ")", unit));
|
|
#else
|
|
WL_ERROR(("wl%d: Broadcom BCM43xx 802.11 MAC80211 Driver "
|
|
EPI_VERSION_STR, unit));
|
|
#endif
|
|
|
|
#ifdef BCMDBG
|
|
printf(" (Compiled in " SRCBASE " at " __TIME__ " on " __DATE__ ")");
|
|
#endif /* BCMDBG */
|
|
printf("\n");
|
|
|
|
wl_found++;
|
|
return wl;
|
|
|
|
fail:
|
|
wl_free(wl);
|
|
fail1:
|
|
return NULL;
|
|
}
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
static void *wl_dbus_probe_cb(void *arg, const char *desc, u32 bustype,
|
|
u32 hdrlen)
|
|
{
|
|
wl_info_t *wl;
|
|
WL_ERROR(("%s:\n", __func__));
|
|
|
|
wl = wl_attach(BCM_DNGL_VID, BCM_DNGL_BDC_PID, (unsigned long) NULL, RPC_BUS,
|
|
NULL, 0);
|
|
if (!wl) {
|
|
WL_ERROR(("%s: wl_attach failed\n", __func__));
|
|
}
|
|
|
|
/* This is later passed to wl_dbus_disconnect_cb */
|
|
return wl;
|
|
}
|
|
|
|
static void wl_dbus_disconnect_cb(void *arg)
|
|
{
|
|
wl_info_t *wl = arg;
|
|
|
|
WL_ERROR(("%s:\n", __func__));
|
|
|
|
if (wl) {
|
|
#ifdef WLC_HIGH_ONLY
|
|
if (wl->pub->ieee_hw) {
|
|
ieee80211_unregister_hw(wl->pub->ieee_hw);
|
|
WL_ERROR(("%s: Back from down\n", __func__));
|
|
}
|
|
wlc_device_removed(wl->wlc);
|
|
wlc_bmac_dngl_reboot(wl->rpc);
|
|
bcm_rpc_down(wl->rpc);
|
|
#endif
|
|
WL_LOCK(wl);
|
|
wl_down(wl);
|
|
WL_UNLOCK(wl);
|
|
#ifdef WLC_HIGH_ONLY
|
|
if (wl->pub->ieee_hw) {
|
|
ieee80211_free_hw(wl->pub->ieee_hw);
|
|
WL_ERROR(("%s: Back from ieee80211_free_hw\n",
|
|
__func__));
|
|
wl->pub->ieee_hw = NULL;
|
|
}
|
|
#endif
|
|
wl_free(wl);
|
|
}
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
|
|
#define CHAN2GHZ(channel, freqency, chflags) { \
|
|
.band = IEEE80211_BAND_2GHZ, \
|
|
.center_freq = (freqency), \
|
|
.hw_value = (channel), \
|
|
.flags = chflags, \
|
|
.max_antenna_gain = 0, \
|
|
.max_power = 19, \
|
|
}
|
|
|
|
static struct ieee80211_channel wl_2ghz_chantable[] = {
|
|
CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN2GHZ(5, 2432, 0),
|
|
CHAN2GHZ(6, 2437, 0),
|
|
CHAN2GHZ(7, 2442, 0),
|
|
CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(12, 2467,
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(13, 2472,
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN2GHZ(14, 2484,
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
|
|
};
|
|
|
|
#define CHAN5GHZ(channel, chflags) { \
|
|
.band = IEEE80211_BAND_5GHZ, \
|
|
.center_freq = 5000 + 5*(channel), \
|
|
.hw_value = (channel), \
|
|
.flags = chflags, \
|
|
.max_antenna_gain = 0, \
|
|
.max_power = 21, \
|
|
}
|
|
|
|
static struct ieee80211_channel wl_5ghz_nphy_chantable[] = {
|
|
/* UNII-1 */
|
|
CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
|
|
/* UNII-2 */
|
|
CHAN5GHZ(52,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(56,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(60,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(64,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
/* MID */
|
|
CHAN5GHZ(100,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(104,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(108,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(112,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(116,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(120,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(124,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(128,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(132,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(136,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(140,
|
|
IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
|
|
IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
|
|
IEEE80211_CHAN_NO_HT40MINUS),
|
|
/* UNII-3 */
|
|
CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
|
|
CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
|
|
CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
|
|
};
|
|
|
|
#define RATE(rate100m, _flags) { \
|
|
.bitrate = (rate100m), \
|
|
.flags = (_flags), \
|
|
.hw_value = (rate100m / 5), \
|
|
}
|
|
|
|
static struct ieee80211_rate wl_legacy_ratetable[] = {
|
|
RATE(10, 0),
|
|
RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
|
|
RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
|
|
RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
|
|
RATE(60, 0),
|
|
RATE(90, 0),
|
|
RATE(120, 0),
|
|
RATE(180, 0),
|
|
RATE(240, 0),
|
|
RATE(360, 0),
|
|
RATE(480, 0),
|
|
RATE(540, 0),
|
|
};
|
|
|
|
static struct ieee80211_supported_band wl_band_2GHz_nphy = {
|
|
.band = IEEE80211_BAND_2GHZ,
|
|
.channels = wl_2ghz_chantable,
|
|
.n_channels = ARRAY_SIZE(wl_2ghz_chantable),
|
|
.bitrates = wl_legacy_ratetable,
|
|
.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable),
|
|
.ht_cap = {
|
|
/* from include/linux/ieee80211.h */
|
|
.cap = IEEE80211_HT_CAP_GRN_FLD |
|
|
IEEE80211_HT_CAP_SGI_20 |
|
|
IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
|
|
#ifdef WLC_HIGH_ONLY
|
|
.ht_supported = true,
|
|
.ampdu_factor = AMPDU_RX_FACTOR_16K,
|
|
#else
|
|
.ht_supported = true,
|
|
.ampdu_factor = AMPDU_RX_FACTOR_64K,
|
|
#endif
|
|
.ampdu_density = AMPDU_DEF_MPDU_DENSITY,
|
|
.mcs = {
|
|
/* placeholders for now */
|
|
#ifdef WLC_HIGH_ONLY
|
|
/*
|
|
* rx_mask[0] = 0xff by default
|
|
* rx_mask[1] = 0xff if number of rx chain >=2
|
|
* rx_mask[2] = 0xff if number of rx chain >=3
|
|
* rx_mask[4] = 1 if 40Mhz is supported
|
|
*/
|
|
.rx_mask = {0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0},
|
|
.rx_highest = 72, /* max rate of single stream */
|
|
#else
|
|
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
|
|
.rx_highest = 500,
|
|
#endif
|
|
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
|
|
}
|
|
};
|
|
|
|
static struct ieee80211_supported_band wl_band_5GHz_nphy = {
|
|
.band = IEEE80211_BAND_5GHZ,
|
|
.channels = wl_5ghz_nphy_chantable,
|
|
.n_channels = ARRAY_SIZE(wl_5ghz_nphy_chantable),
|
|
.bitrates = wl_legacy_ratetable + 4,
|
|
.n_bitrates = ARRAY_SIZE(wl_legacy_ratetable) - 4,
|
|
.ht_cap = {
|
|
/* use IEEE80211_HT_CAP_* from include/linux/ieee80211.h */
|
|
.cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
|
|
.ht_supported = true,
|
|
.ampdu_factor = AMPDU_RX_FACTOR_64K,
|
|
.ampdu_density = AMPDU_DEF_MPDU_DENSITY,
|
|
.mcs = {
|
|
/* placeholders for now */
|
|
.rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
|
|
.rx_highest = 500,
|
|
.tx_params = IEEE80211_HT_MCS_TX_DEFINED}
|
|
}
|
|
};
|
|
|
|
static int ieee_hw_rate_init(struct ieee80211_hw *hw)
|
|
{
|
|
wl_info_t *wl = HW_TO_WL(hw);
|
|
int has_5g;
|
|
char phy_list[4];
|
|
|
|
has_5g = 0;
|
|
|
|
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = NULL;
|
|
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = NULL;
|
|
|
|
if (wlc_get(wl->wlc, WLC_GET_PHYLIST, (int *)&phy_list) < 0) {
|
|
WL_ERROR(("Phy list failed\n"));
|
|
}
|
|
WL_NONE(("%s: phylist = %c\n", __func__, phy_list[0]));
|
|
|
|
#ifndef WLC_HIGH_ONLY
|
|
if (phy_list[0] == 'n' || phy_list[0] == 'c') {
|
|
if (phy_list[0] == 'c') {
|
|
/* Single stream */
|
|
wl_band_2GHz_nphy.ht_cap.mcs.rx_mask[1] = 0;
|
|
wl_band_2GHz_nphy.ht_cap.mcs.rx_highest = 72;
|
|
}
|
|
#else
|
|
if (phy_list[0] == 's') {
|
|
#endif
|
|
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl_band_2GHz_nphy;
|
|
} else {
|
|
BUG();
|
|
return -1;
|
|
}
|
|
|
|
/* Assume all bands use the same phy. True for 11n devices. */
|
|
if (NBANDS_PUB(wl->pub) > 1) {
|
|
has_5g++;
|
|
#ifndef WLC_HIGH_ONLY
|
|
if (phy_list[0] == 'n' || phy_list[0] == 'c') {
|
|
#else
|
|
if (phy_list[0] == 's') {
|
|
#endif
|
|
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
|
|
&wl_band_5GHz_nphy;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
WL_NONE(("%s: 2ghz = %d, 5ghz = %d\n", __func__, 1, has_5g));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee_hw_init(struct ieee80211_hw *hw)
|
|
{
|
|
hw->flags = IEEE80211_HW_SIGNAL_DBM
|
|
/* | IEEE80211_HW_CONNECTION_MONITOR What is this? */
|
|
| IEEE80211_HW_REPORTS_TX_ACK_STATUS
|
|
| IEEE80211_HW_AMPDU_AGGREGATION;
|
|
|
|
hw->extra_tx_headroom = wlc_get_header_len();
|
|
/* FIXME: should get this from wlc->machwcap */
|
|
hw->queues = 4;
|
|
/* FIXME: this doesn't seem to be used properly in minstrel_ht.
|
|
* mac80211/status.c:ieee80211_tx_status() checks this value,
|
|
* but mac80211/rc80211_minstrel_ht.c:minstrel_ht_get_rate()
|
|
* appears to always set 3 rates
|
|
*/
|
|
hw->max_rates = 2; /* Primary rate and 1 fallback rate */
|
|
|
|
hw->channel_change_time = 7 * 1000; /* channel change time is dependant on chip and band */
|
|
hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
|
|
|
|
hw->rate_control_algorithm = "minstrel_ht";
|
|
|
|
hw->sta_data_size = sizeof(struct scb);
|
|
return ieee_hw_rate_init(hw);
|
|
}
|
|
|
|
#ifndef BCMSDIO
|
|
/**
|
|
* determines if a device is a WL device, and if so, attaches it.
|
|
*
|
|
* This function determines if a device pointed to by pdev is a WL device,
|
|
* and if so, performs a wl_attach() on it.
|
|
*
|
|
*/
|
|
int __devinit
|
|
wl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|
{
|
|
int rc;
|
|
wl_info_t *wl;
|
|
struct ieee80211_hw *hw;
|
|
u32 val;
|
|
|
|
ASSERT(pdev);
|
|
|
|
WL_TRACE(("%s: bus %d slot %d func %d irq %d\n", __func__,
|
|
pdev->bus->number, PCI_SLOT(pdev->devfn),
|
|
PCI_FUNC(pdev->devfn), pdev->irq));
|
|
|
|
if ((pdev->vendor != PCI_VENDOR_ID_BROADCOM) ||
|
|
(((pdev->device & 0xff00) != 0x4300) &&
|
|
((pdev->device & 0xff00) != 0x4700) &&
|
|
((pdev->device < 43000) || (pdev->device > 43999))))
|
|
return -ENODEV;
|
|
|
|
rc = pci_enable_device(pdev);
|
|
if (rc) {
|
|
WL_ERROR(("%s: Cannot enable device %d-%d_%d\n", __func__,
|
|
pdev->bus->number, PCI_SLOT(pdev->devfn),
|
|
PCI_FUNC(pdev->devfn)));
|
|
return -ENODEV;
|
|
}
|
|
pci_set_master(pdev);
|
|
|
|
pci_read_config_dword(pdev, 0x40, &val);
|
|
if ((val & 0x0000ff00) != 0)
|
|
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
|
|
|
|
hw = ieee80211_alloc_hw(sizeof(wl_info_t), &wl_ops);
|
|
if (!hw) {
|
|
WL_ERROR(("%s: ieee80211_alloc_hw failed\n", __func__));
|
|
rc = -ENOMEM;
|
|
goto err_1;
|
|
}
|
|
|
|
SET_IEEE80211_DEV(hw, &pdev->dev);
|
|
|
|
pci_set_drvdata(pdev, hw);
|
|
|
|
bzero(hw->priv, sizeof(*wl));
|
|
|
|
wl = wl_attach(pdev->vendor, pdev->device, pci_resource_start(pdev, 0),
|
|
PCI_BUS, pdev, pdev->irq);
|
|
|
|
if (!wl) {
|
|
WL_ERROR(("%s: %s: wl_attach failed!\n",
|
|
KBUILD_MODNAME, __func__));
|
|
return -ENODEV;
|
|
}
|
|
return 0;
|
|
err_1:
|
|
WL_ERROR(("%s: err_1: Major hoarkage\n", __func__));
|
|
return 0;
|
|
}
|
|
|
|
#ifdef LINUXSTA_PS
|
|
static int wl_suspend(struct pci_dev *pdev, pm_message_t state)
|
|
{
|
|
wl_info_t *wl;
|
|
struct ieee80211_hw *hw;
|
|
|
|
WL_TRACE(("wl: wl_suspend\n"));
|
|
|
|
hw = pci_get_drvdata(pdev);
|
|
wl = HW_TO_WL(hw);
|
|
if (!wl) {
|
|
WL_ERROR(("wl: wl_suspend: pci_get_drvdata failed\n"));
|
|
return -ENODEV;
|
|
}
|
|
|
|
WL_LOCK(wl);
|
|
wl_down(wl);
|
|
wl->pub->hw_up = false;
|
|
WL_UNLOCK(wl);
|
|
pci_save_state(pdev, wl->pci_psstate);
|
|
pci_disable_device(pdev);
|
|
return pci_set_power_state(pdev, PCI_D3hot);
|
|
}
|
|
|
|
static int wl_resume(struct pci_dev *pdev)
|
|
{
|
|
wl_info_t *wl;
|
|
struct ieee80211_hw *hw;
|
|
int err = 0;
|
|
u32 val;
|
|
|
|
WL_TRACE(("wl: wl_resume\n"));
|
|
hw = pci_get_drvdata(pdev);
|
|
wl = HW_TO_WL(hw);
|
|
if (!wl) {
|
|
WL_ERROR(("wl: wl_resume: pci_get_drvdata failed\n"));
|
|
return -ENODEV;
|
|
}
|
|
|
|
err = pci_set_power_state(pdev, PCI_D0);
|
|
if (err)
|
|
return err;
|
|
|
|
pci_restore_state(pdev, wl->pci_psstate);
|
|
|
|
err = pci_enable_device(pdev);
|
|
if (err)
|
|
return err;
|
|
|
|
pci_set_master(pdev);
|
|
|
|
pci_read_config_dword(pdev, 0x40, &val);
|
|
if ((val & 0x0000ff00) != 0)
|
|
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
|
|
|
|
WL_LOCK(wl);
|
|
err = wl_up(wl);
|
|
WL_UNLOCK(wl);
|
|
|
|
return err;
|
|
}
|
|
#endif /* LINUXSTA_PS */
|
|
|
|
static void wl_remove(struct pci_dev *pdev)
|
|
{
|
|
wl_info_t *wl;
|
|
struct ieee80211_hw *hw;
|
|
|
|
hw = pci_get_drvdata(pdev);
|
|
wl = HW_TO_WL(hw);
|
|
if (!wl) {
|
|
WL_ERROR(("wl: wl_remove: pci_get_drvdata failed\n"));
|
|
return;
|
|
}
|
|
if (!wlc_chipmatch(pdev->vendor, pdev->device)) {
|
|
WL_ERROR(("wl: wl_remove: wlc_chipmatch failed\n"));
|
|
return;
|
|
}
|
|
if (wl->wlc) {
|
|
ieee80211_unregister_hw(hw);
|
|
WL_LOCK(wl);
|
|
wl_down(wl);
|
|
WL_UNLOCK(wl);
|
|
WL_NONE(("%s: Down\n", __func__));
|
|
}
|
|
pci_disable_device(pdev);
|
|
|
|
wl_free(wl);
|
|
|
|
pci_set_drvdata(pdev, NULL);
|
|
ieee80211_free_hw(hw);
|
|
}
|
|
|
|
static struct pci_driver wl_pci_driver = {
|
|
.name = "brcm80211",
|
|
.probe = wl_pci_probe,
|
|
#ifdef LINUXSTA_PS
|
|
.suspend = wl_suspend,
|
|
.resume = wl_resume,
|
|
#endif /* LINUXSTA_PS */
|
|
.remove = __devexit_p(wl_remove),
|
|
.id_table = wl_id_table,
|
|
};
|
|
#endif /* !BCMSDIO */
|
|
|
|
/**
|
|
* This is the main entry point for the WL driver.
|
|
*
|
|
* This function determines if a device pointed to by pdev is a WL device,
|
|
* and if so, performs a wl_attach() on it.
|
|
*
|
|
*/
|
|
static int __init wl_module_init(void)
|
|
{
|
|
int error = -ENODEV;
|
|
|
|
#ifdef BCMDBG
|
|
if (msglevel != 0xdeadbeef)
|
|
wl_msg_level = msglevel;
|
|
else {
|
|
char *var = getvar(NULL, "wl_msglevel");
|
|
if (var)
|
|
wl_msg_level = simple_strtoul(var, NULL, 0);
|
|
}
|
|
#ifndef WLC_HIGH_ONLY
|
|
{
|
|
extern u32 phyhal_msg_level;
|
|
|
|
if (phymsglevel != 0xdeadbeef)
|
|
phyhal_msg_level = phymsglevel;
|
|
else {
|
|
char *var = getvar(NULL, "phy_msglevel");
|
|
if (var)
|
|
phyhal_msg_level = simple_strtoul(var, NULL, 0);
|
|
}
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|
|
#endif /* BCMDBG */
|
|
|
|
#ifndef BCMSDIO
|
|
error = pci_register_driver(&wl_pci_driver);
|
|
if (!error)
|
|
return 0;
|
|
|
|
#endif /* !BCMSDIO */
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
/* BMAC_NOTE: define hardcode number, why NODEVICE is ok ? */
|
|
error =
|
|
dbus_register(BCM_DNGL_VID, 0, wl_dbus_probe_cb,
|
|
wl_dbus_disconnect_cb, NULL, NULL, NULL);
|
|
if (error == DBUS_ERR_NODEVICE) {
|
|
error = DBUS_OK;
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
return error;
|
|
}
|
|
|
|
/**
|
|
* This function unloads the WL driver from the system.
|
|
*
|
|
* This function unconditionally unloads the WL driver module from the
|
|
* system.
|
|
*
|
|
*/
|
|
static void __exit wl_module_exit(void)
|
|
{
|
|
#ifndef BCMSDIO
|
|
pci_unregister_driver(&wl_pci_driver);
|
|
#endif /* !BCMSDIO */
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
dbus_deregister();
|
|
#endif /* WLC_HIGH_ONLY */
|
|
}
|
|
|
|
module_init(wl_module_init);
|
|
module_exit(wl_module_exit);
|
|
|
|
/**
|
|
* This function frees the WL per-device resources.
|
|
*
|
|
* This function frees resources owned by the WL device pointed to
|
|
* by the wl parameter.
|
|
*
|
|
*/
|
|
void wl_free(wl_info_t *wl)
|
|
{
|
|
wl_timer_t *t, *next;
|
|
osl_t *osh;
|
|
|
|
ASSERT(wl);
|
|
#ifndef WLC_HIGH_ONLY
|
|
/* free ucode data */
|
|
if (wl->fw.fw_cnt)
|
|
wl_ucode_data_free();
|
|
if (wl->irq)
|
|
free_irq(wl->irq, wl);
|
|
#endif
|
|
|
|
/* kill dpc */
|
|
tasklet_kill(&wl->tasklet);
|
|
|
|
if (wl->pub) {
|
|
wlc_module_unregister(wl->pub, "linux", wl);
|
|
}
|
|
|
|
/* free common resources */
|
|
if (wl->wlc) {
|
|
wlc_detach(wl->wlc);
|
|
wl->wlc = NULL;
|
|
wl->pub = NULL;
|
|
}
|
|
|
|
/* virtual interface deletion is deferred so we cannot spinwait */
|
|
|
|
/* wait for all pending callbacks to complete */
|
|
while (atomic_read(&wl->callbacks) > 0)
|
|
schedule();
|
|
|
|
/* free timers */
|
|
for (t = wl->timers; t; t = next) {
|
|
next = t->next;
|
|
#ifdef BCMDBG
|
|
if (t->name)
|
|
kfree(t->name);
|
|
#endif
|
|
kfree(t);
|
|
}
|
|
|
|
osh = wl->osh;
|
|
|
|
/*
|
|
* unregister_netdev() calls get_stats() which may read chip registers
|
|
* so we cannot unmap the chip registers until after calling unregister_netdev() .
|
|
*/
|
|
if (wl->regsva && BUSTYPE(wl->bcm_bustype) != SDIO_BUS &&
|
|
BUSTYPE(wl->bcm_bustype) != JTAG_BUS) {
|
|
iounmap((void *)wl->regsva);
|
|
}
|
|
wl->regsva = NULL;
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
wl_rpcq_free(wl);
|
|
|
|
wl_txq_free(wl);
|
|
|
|
if (wl->rpc) {
|
|
bcm_rpc_detach(wl->rpc);
|
|
wl->rpc = NULL;
|
|
}
|
|
|
|
if (wl->rpc_th) {
|
|
bcm_rpc_tp_detach(wl->rpc_th);
|
|
wl->rpc_th = NULL;
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
osl_detach(osh);
|
|
}
|
|
|
|
#ifdef WLC_LOW
|
|
/* transmit a packet */
|
|
static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl)
|
|
{
|
|
if (!wl)
|
|
return -ENETDOWN;
|
|
|
|
return wl_start_int(wl, WL_TO_HW(wl), skb);
|
|
}
|
|
#endif /* WLC_LOW */
|
|
|
|
static int BCMFASTPATH
|
|
wl_start_int(wl_info_t *wl, struct ieee80211_hw *hw, struct sk_buff *skb)
|
|
{
|
|
#ifdef WLC_HIGH_ONLY
|
|
WL_LOCK(wl);
|
|
#endif
|
|
wlc_sendpkt_mac80211(wl->wlc, skb, hw);
|
|
#ifdef WLC_HIGH_ONLY
|
|
WL_UNLOCK(wl);
|
|
#endif
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
void wl_txflowcontrol(wl_info_t *wl, struct wl_if *wlif, bool state, int prio)
|
|
{
|
|
WL_ERROR(("Shouldn't be here %s\n", __func__));
|
|
}
|
|
|
|
#if defined(WLC_HIGH_ONLY)
|
|
/* Schedule a completion handler to run at safe time */
|
|
static int
|
|
wl_schedule_task(wl_info_t *wl, void (*fn) (struct wl_task *task),
|
|
void *context)
|
|
{
|
|
wl_task_t *task;
|
|
|
|
WL_TRACE(("wl%d: wl_schedule_task\n", wl->pub->unit));
|
|
|
|
task = kmalloc(sizeof(wl_task_t), GFP_ATOMIC);
|
|
if (!task) {
|
|
WL_ERROR(("wl%d: wl_schedule_task: out of memory\n", wl->pub->unit));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
INIT_WORK(&task->work, (work_func_t) fn);
|
|
task->context = context;
|
|
|
|
if (!schedule_work(&task->work)) {
|
|
WL_ERROR(("wl%d: schedule_work() failed\n", wl->pub->unit));
|
|
kfree(task);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
atomic_inc(&wl->callbacks);
|
|
|
|
return 0;
|
|
}
|
|
#endif /* defined(WLC_HIGH_ONLY) */
|
|
|
|
void wl_init(wl_info_t *wl)
|
|
{
|
|
WL_TRACE(("wl%d: wl_init\n", wl->pub->unit));
|
|
|
|
wl_reset(wl);
|
|
|
|
wlc_init(wl->wlc);
|
|
}
|
|
|
|
uint wl_reset(wl_info_t *wl)
|
|
{
|
|
WL_TRACE(("wl%d: wl_reset\n", wl->pub->unit));
|
|
|
|
wlc_reset(wl->wlc);
|
|
|
|
/* dpc will not be rescheduled */
|
|
wl->resched = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* These are interrupt on/off entry points. Disable interrupts
|
|
* during interrupt state transition.
|
|
*/
|
|
void BCMFASTPATH wl_intrson(wl_info_t *wl)
|
|
{
|
|
#if defined(WLC_LOW)
|
|
unsigned long flags;
|
|
|
|
INT_LOCK(wl, flags);
|
|
wlc_intrson(wl->wlc);
|
|
INT_UNLOCK(wl, flags);
|
|
#endif /* WLC_LOW */
|
|
}
|
|
|
|
bool wl_alloc_dma_resources(wl_info_t *wl, uint addrwidth)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
u32 BCMFASTPATH wl_intrsoff(wl_info_t *wl)
|
|
{
|
|
#if defined(WLC_LOW)
|
|
unsigned long flags;
|
|
u32 status;
|
|
|
|
INT_LOCK(wl, flags);
|
|
status = wlc_intrsoff(wl->wlc);
|
|
INT_UNLOCK(wl, flags);
|
|
return status;
|
|
#else
|
|
return 0;
|
|
#endif /* WLC_LOW */
|
|
}
|
|
|
|
void wl_intrsrestore(wl_info_t *wl, u32 macintmask)
|
|
{
|
|
#if defined(WLC_LOW)
|
|
unsigned long flags;
|
|
|
|
INT_LOCK(wl, flags);
|
|
wlc_intrsrestore(wl->wlc, macintmask);
|
|
INT_UNLOCK(wl, flags);
|
|
#endif /* WLC_LOW */
|
|
}
|
|
|
|
int wl_up(wl_info_t *wl)
|
|
{
|
|
int error = 0;
|
|
|
|
if (wl->pub->up)
|
|
return 0;
|
|
|
|
error = wlc_up(wl->wlc);
|
|
|
|
return error;
|
|
}
|
|
|
|
void wl_down(wl_info_t *wl)
|
|
{
|
|
uint callbacks, ret_val = 0;
|
|
|
|
/* call common down function */
|
|
ret_val = wlc_down(wl->wlc);
|
|
callbacks = atomic_read(&wl->callbacks) - ret_val;
|
|
|
|
/* wait for down callbacks to complete */
|
|
WL_UNLOCK(wl);
|
|
|
|
#ifndef WLC_HIGH_ONLY
|
|
/* For HIGH_only driver, it's important to actually schedule other work,
|
|
* not just spin wait since everything runs at schedule level
|
|
*/
|
|
SPINWAIT((atomic_read(&wl->callbacks) > callbacks), 100 * 1000);
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
WL_LOCK(wl);
|
|
}
|
|
|
|
irqreturn_t BCMFASTPATH wl_isr(int irq, void *dev_id)
|
|
{
|
|
#if defined(WLC_LOW)
|
|
wl_info_t *wl;
|
|
bool ours, wantdpc;
|
|
unsigned long flags;
|
|
|
|
wl = (wl_info_t *) dev_id;
|
|
|
|
WL_ISRLOCK(wl, flags);
|
|
|
|
/* call common first level interrupt handler */
|
|
ours = wlc_isr(wl->wlc, &wantdpc);
|
|
if (ours) {
|
|
/* if more to do... */
|
|
if (wantdpc) {
|
|
|
|
/* ...and call the second level interrupt handler */
|
|
/* schedule dpc */
|
|
ASSERT(wl->resched == false);
|
|
tasklet_schedule(&wl->tasklet);
|
|
}
|
|
}
|
|
|
|
WL_ISRUNLOCK(wl, flags);
|
|
|
|
return IRQ_RETVAL(ours);
|
|
#else
|
|
return IRQ_RETVAL(0);
|
|
#endif /* WLC_LOW */
|
|
}
|
|
|
|
static void BCMFASTPATH wl_dpc(unsigned long data)
|
|
{
|
|
#ifdef WLC_LOW
|
|
wl_info_t *wl;
|
|
|
|
wl = (wl_info_t *) data;
|
|
|
|
WL_LOCK(wl);
|
|
|
|
/* call the common second level interrupt handler */
|
|
if (wl->pub->up) {
|
|
if (wl->resched) {
|
|
unsigned long flags;
|
|
|
|
INT_LOCK(wl, flags);
|
|
wlc_intrsupd(wl->wlc);
|
|
INT_UNLOCK(wl, flags);
|
|
}
|
|
|
|
wl->resched = wlc_dpc(wl->wlc, true);
|
|
}
|
|
|
|
/* wlc_dpc() may bring the driver down */
|
|
if (!wl->pub->up)
|
|
goto done;
|
|
|
|
/* re-schedule dpc */
|
|
if (wl->resched)
|
|
tasklet_schedule(&wl->tasklet);
|
|
else {
|
|
/* re-enable interrupts */
|
|
wl_intrson(wl);
|
|
}
|
|
|
|
done:
|
|
WL_UNLOCK(wl);
|
|
#endif /* WLC_LOW */
|
|
}
|
|
|
|
static void wl_link_up(wl_info_t *wl, char *ifname)
|
|
{
|
|
WL_ERROR(("wl%d: link up (%s)\n", wl->pub->unit, ifname));
|
|
}
|
|
|
|
static void wl_link_down(wl_info_t *wl, char *ifname)
|
|
{
|
|
WL_ERROR(("wl%d: link down (%s)\n", wl->pub->unit, ifname));
|
|
}
|
|
|
|
void wl_event(wl_info_t *wl, char *ifname, wlc_event_t *e)
|
|
{
|
|
|
|
switch (e->event.event_type) {
|
|
case WLC_E_LINK:
|
|
case WLC_E_NDIS_LINK:
|
|
if (e->event.flags & WLC_EVENT_MSG_LINK)
|
|
wl_link_up(wl, ifname);
|
|
else
|
|
wl_link_down(wl, ifname);
|
|
break;
|
|
case WLC_E_RADIO:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void wl_timer(unsigned long data)
|
|
{
|
|
#ifndef WLC_HIGH_ONLY
|
|
_wl_timer((wl_timer_t *) data);
|
|
#else
|
|
wl_timer_t *t = (wl_timer_t *) data;
|
|
wl_schedule_task(t->wl, wl_timer_task, t);
|
|
#endif /* WLC_HIGH_ONLY */
|
|
}
|
|
|
|
static void _wl_timer(wl_timer_t *t)
|
|
{
|
|
WL_LOCK(t->wl);
|
|
|
|
if (t->set) {
|
|
if (t->periodic) {
|
|
t->timer.expires = jiffies + t->ms * HZ / 1000;
|
|
atomic_inc(&t->wl->callbacks);
|
|
add_timer(&t->timer);
|
|
t->set = true;
|
|
} else
|
|
t->set = false;
|
|
|
|
t->fn(t->arg);
|
|
}
|
|
|
|
atomic_dec(&t->wl->callbacks);
|
|
|
|
WL_UNLOCK(t->wl);
|
|
}
|
|
|
|
wl_timer_t *wl_init_timer(wl_info_t *wl, void (*fn) (void *arg), void *arg,
|
|
const char *name)
|
|
{
|
|
wl_timer_t *t;
|
|
|
|
t = kmalloc(sizeof(wl_timer_t), GFP_ATOMIC);
|
|
if (!t) {
|
|
WL_ERROR(("wl%d: wl_init_timer: out of memory\n", wl->pub->unit));
|
|
return 0;
|
|
}
|
|
|
|
bzero(t, sizeof(wl_timer_t));
|
|
|
|
init_timer(&t->timer);
|
|
t->timer.data = (unsigned long) t;
|
|
t->timer.function = wl_timer;
|
|
t->wl = wl;
|
|
t->fn = fn;
|
|
t->arg = arg;
|
|
t->next = wl->timers;
|
|
wl->timers = t;
|
|
|
|
#ifdef BCMDBG
|
|
t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
|
|
if (t->name)
|
|
strcpy(t->name, name);
|
|
#endif
|
|
|
|
return t;
|
|
}
|
|
|
|
/* BMAC_NOTE: Add timer adds only the kernel timer since it's going to be more accurate
|
|
* as well as it's easier to make it periodic
|
|
*/
|
|
void wl_add_timer(wl_info_t *wl, wl_timer_t *t, uint ms, int periodic)
|
|
{
|
|
#ifdef BCMDBG
|
|
if (t->set) {
|
|
WL_ERROR(("%s: Already set. Name: %s, per %d\n",
|
|
__func__, t->name, periodic));
|
|
}
|
|
#endif
|
|
ASSERT(!t->set);
|
|
|
|
t->ms = ms;
|
|
t->periodic = (bool) periodic;
|
|
t->set = true;
|
|
t->timer.expires = jiffies + ms * HZ / 1000;
|
|
|
|
atomic_inc(&wl->callbacks);
|
|
add_timer(&t->timer);
|
|
}
|
|
|
|
/* return true if timer successfully deleted, false if still pending */
|
|
bool wl_del_timer(wl_info_t *wl, wl_timer_t *t)
|
|
{
|
|
if (t->set) {
|
|
t->set = false;
|
|
if (!del_timer(&t->timer)) {
|
|
return false;
|
|
}
|
|
atomic_dec(&wl->callbacks);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void wl_free_timer(wl_info_t *wl, wl_timer_t *t)
|
|
{
|
|
wl_timer_t *tmp;
|
|
|
|
/* delete the timer in case it is active */
|
|
wl_del_timer(wl, t);
|
|
|
|
if (wl->timers == t) {
|
|
wl->timers = wl->timers->next;
|
|
#ifdef BCMDBG
|
|
if (t->name)
|
|
kfree(t->name);
|
|
#endif
|
|
kfree(t);
|
|
return;
|
|
|
|
}
|
|
|
|
tmp = wl->timers;
|
|
while (tmp) {
|
|
if (tmp->next == t) {
|
|
tmp->next = t->next;
|
|
#ifdef BCMDBG
|
|
if (t->name)
|
|
kfree(t->name);
|
|
#endif
|
|
kfree(t);
|
|
return;
|
|
}
|
|
tmp = tmp->next;
|
|
}
|
|
|
|
}
|
|
|
|
static int wl_linux_watchdog(void *ctx)
|
|
{
|
|
wl_info_t *wl = (wl_info_t *) ctx;
|
|
struct net_device_stats *stats = NULL;
|
|
uint id;
|
|
/* refresh stats */
|
|
if (wl->pub->up) {
|
|
ASSERT(wl->stats_id < 2);
|
|
|
|
id = 1 - wl->stats_id;
|
|
|
|
stats = &wl->stats_watchdog[id];
|
|
stats->rx_packets = WLCNTVAL(wl->pub->_cnt->rxframe);
|
|
stats->tx_packets = WLCNTVAL(wl->pub->_cnt->txframe);
|
|
stats->rx_bytes = WLCNTVAL(wl->pub->_cnt->rxbyte);
|
|
stats->tx_bytes = WLCNTVAL(wl->pub->_cnt->txbyte);
|
|
stats->rx_errors = WLCNTVAL(wl->pub->_cnt->rxerror);
|
|
stats->tx_errors = WLCNTVAL(wl->pub->_cnt->txerror);
|
|
stats->collisions = 0;
|
|
|
|
stats->rx_length_errors = 0;
|
|
stats->rx_over_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
|
|
stats->rx_crc_errors = WLCNTVAL(wl->pub->_cnt->rxcrc);
|
|
stats->rx_frame_errors = 0;
|
|
stats->rx_fifo_errors = WLCNTVAL(wl->pub->_cnt->rxoflo);
|
|
stats->rx_missed_errors = 0;
|
|
|
|
stats->tx_fifo_errors = WLCNTVAL(wl->pub->_cnt->txuflo);
|
|
|
|
wl->stats_id = id;
|
|
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct wl_fw_hdr {
|
|
u32 offset;
|
|
u32 len;
|
|
u32 idx;
|
|
};
|
|
|
|
#ifdef WLC_HIGH_ONLY
|
|
static void wl_rpc_down(void *wlh)
|
|
{
|
|
wl_info_t *wl = (wl_info_t *) (wlh);
|
|
|
|
wlc_device_removed(wl->wlc);
|
|
|
|
wl_rpcq_free(wl);
|
|
}
|
|
|
|
static int BCMFASTPATH wl_start(struct sk_buff *skb, wl_info_t *wl)
|
|
{
|
|
|
|
unsigned long flags;
|
|
|
|
skb->prev = NULL;
|
|
|
|
/* Lock the queue as tasklet could be running at this time */
|
|
TXQ_LOCK(wl, flags);
|
|
if (wl->txq_head == NULL)
|
|
wl->txq_head = skb;
|
|
else {
|
|
wl->txq_tail->prev = skb;
|
|
}
|
|
wl->txq_tail = skb;
|
|
|
|
if (wl->txq_dispatched == false) {
|
|
wl->txq_dispatched = true;
|
|
|
|
if (schedule_work(&wl->txq_task.work)) {
|
|
atomic_inc(&wl->callbacks);
|
|
} else {
|
|
WL_ERROR(("wl%d: wl_start/schedule_work failed\n",
|
|
wl->pub->unit));
|
|
}
|
|
}
|
|
|
|
TXQ_UNLOCK(wl, flags);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static void wl_start_txqwork(struct wl_task *task)
|
|
{
|
|
wl_info_t *wl = (wl_info_t *) task->context;
|
|
struct sk_buff *skb;
|
|
unsigned long flags;
|
|
uint count = 0;
|
|
|
|
WL_TRACE(("wl%d: wl_start_txqwork\n", wl->pub->unit));
|
|
|
|
/* First remove an entry then go for execution */
|
|
TXQ_LOCK(wl, flags);
|
|
while (wl->txq_head) {
|
|
skb = wl->txq_head;
|
|
wl->txq_head = skb->prev;
|
|
skb->prev = NULL;
|
|
if (wl->txq_head == NULL)
|
|
wl->txq_tail = NULL;
|
|
TXQ_UNLOCK(wl, flags);
|
|
|
|
/* it has WL_LOCK/WL_UNLOCK inside */
|
|
wl_start_int(wl, WL_TO_HW(wl), skb);
|
|
|
|
/* bounded our execution, reshedule ourself next */
|
|
if (++count >= 10)
|
|
break;
|
|
|
|
TXQ_LOCK(wl, flags);
|
|
}
|
|
|
|
if (count >= 10) {
|
|
if (!schedule_work(&wl->txq_task.work)) {
|
|
WL_ERROR(("wl%d: wl_start/schedule_work failed\n",
|
|
wl->pub->unit));
|
|
atomic_dec(&wl->callbacks);
|
|
}
|
|
} else {
|
|
wl->txq_dispatched = false;
|
|
TXQ_UNLOCK(wl, flags);
|
|
atomic_dec(&wl->callbacks);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static void wl_txq_free(wl_info_t *wl)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
if (wl->txq_head == NULL) {
|
|
ASSERT(wl->txq_tail == NULL);
|
|
return;
|
|
}
|
|
|
|
while (wl->txq_head) {
|
|
skb = wl->txq_head;
|
|
wl->txq_head = skb->prev;
|
|
PKTFREE(wl->osh, skb, true);
|
|
}
|
|
|
|
wl->txq_tail = NULL;
|
|
}
|
|
|
|
static void wl_rpcq_free(wl_info_t *wl)
|
|
{
|
|
rpc_buf_t *buf;
|
|
|
|
if (wl->rpcq_head == NULL) {
|
|
ASSERT(wl->rpcq_tail == NULL);
|
|
return;
|
|
}
|
|
|
|
while (wl->rpcq_head) {
|
|
buf = wl->rpcq_head;
|
|
wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf);
|
|
bcm_rpc_buf_free(wl->rpc_dispatch_ctx.rpc, buf);
|
|
}
|
|
|
|
wl->rpcq_tail = NULL;
|
|
}
|
|
|
|
static void wl_rpcq_dispatch(struct wl_task *task)
|
|
{
|
|
wl_info_t *wl = (wl_info_t *) task->context;
|
|
rpc_buf_t *buf;
|
|
unsigned long flags;
|
|
|
|
/* First remove an entry then go for execution */
|
|
RPCQ_LOCK(wl, flags);
|
|
while (wl->rpcq_head) {
|
|
buf = wl->rpcq_head;
|
|
wl->rpcq_head = bcm_rpc_buf_next_get(wl->rpc_th, buf);
|
|
|
|
if (wl->rpcq_head == NULL)
|
|
wl->rpcq_tail = NULL;
|
|
RPCQ_UNLOCK(wl, flags);
|
|
|
|
WL_LOCK(wl);
|
|
wlc_rpc_high_dispatch(&wl->rpc_dispatch_ctx, buf);
|
|
WL_UNLOCK(wl);
|
|
|
|
RPCQ_LOCK(wl, flags);
|
|
}
|
|
|
|
wl->rpcq_dispatched = false;
|
|
|
|
RPCQ_UNLOCK(wl, flags);
|
|
|
|
kfree(task);
|
|
atomic_dec(&wl->callbacks);
|
|
}
|
|
|
|
static void wl_rpcq_add(wl_info_t *wl, rpc_buf_t *buf)
|
|
{
|
|
unsigned long flags;
|
|
|
|
bcm_rpc_buf_next_set(wl->rpc_th, buf, NULL);
|
|
|
|
/* Lock the queue as tasklet could be running at this time */
|
|
RPCQ_LOCK(wl, flags);
|
|
if (wl->rpcq_head == NULL)
|
|
wl->rpcq_head = buf;
|
|
else
|
|
bcm_rpc_buf_next_set(wl->rpc_th, wl->rpcq_tail, buf);
|
|
|
|
wl->rpcq_tail = buf;
|
|
|
|
if (wl->rpcq_dispatched == false) {
|
|
wl->rpcq_dispatched = true;
|
|
wl_schedule_task(wl, wl_rpcq_dispatch, wl);
|
|
}
|
|
|
|
RPCQ_UNLOCK(wl, flags);
|
|
}
|
|
|
|
#if defined(BCMDBG)
|
|
static const struct name_entry rpc_name_tbl[] = RPC_ID_TABLE;
|
|
#endif /* BCMDBG */
|
|
|
|
/* dongle-side rpc dispatch routine */
|
|
static void wl_rpc_dispatch_schedule(void *ctx, struct rpc_buf *buf)
|
|
{
|
|
bcm_xdr_buf_t b;
|
|
wl_info_t *wl = (wl_info_t *) ctx;
|
|
wlc_rpc_id_t rpc_id;
|
|
int err;
|
|
|
|
bcm_xdr_buf_init(&b, bcm_rpc_buf_data(wl->rpc_th, buf),
|
|
bcm_rpc_buf_len_get(wl->rpc_th, buf));
|
|
|
|
err = bcm_xdr_unpack_u32(&b, &rpc_id);
|
|
ASSERT(!err);
|
|
WL_TRACE(("%s: Dispatch id %s\n", __func__,
|
|
WLC_RPC_ID_LOOKUP(rpc_name_tbl, rpc_id)));
|
|
|
|
/* Handle few emergency ones */
|
|
switch (rpc_id) {
|
|
default:
|
|
wl_rpcq_add(wl, buf);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void wl_timer_task(wl_task_t *task)
|
|
{
|
|
wl_timer_t *t = (wl_timer_t *) task->context;
|
|
|
|
_wl_timer(t);
|
|
kfree(task);
|
|
|
|
/* This dec is for the task_schedule. The timer related
|
|
* callback is decremented in _wl_timer
|
|
*/
|
|
atomic_dec(&t->wl->callbacks);
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|
|
|
|
#ifndef WLC_HIGH_ONLY
|
|
char *wl_firmwares[WL_MAX_FW] = {
|
|
"brcm/bcm43xx",
|
|
NULL
|
|
};
|
|
|
|
#ifdef WLC_LOW
|
|
int wl_ucode_init_buf(wl_info_t *wl, void **pbuf, u32 idx)
|
|
{
|
|
int i, entry;
|
|
const u8 *pdata;
|
|
struct wl_fw_hdr *hdr;
|
|
for (i = 0; i < wl->fw.fw_cnt; i++) {
|
|
hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
|
|
for (entry = 0; entry < wl->fw.hdr_num_entries[i];
|
|
entry++, hdr++) {
|
|
if (hdr->idx == idx) {
|
|
pdata = wl->fw.fw_bin[i]->data + hdr->offset;
|
|
*pbuf = kmalloc(hdr->len, GFP_ATOMIC);
|
|
if (*pbuf == NULL) {
|
|
printf("fail to alloc %d bytes\n",
|
|
hdr->len);
|
|
}
|
|
bcopy(pdata, *pbuf, hdr->len);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
printf("ERROR: ucode buf tag:%d can not be found!\n", idx);
|
|
*pbuf = NULL;
|
|
return -1;
|
|
}
|
|
|
|
int wl_ucode_init_uint(wl_info_t *wl, u32 *data, u32 idx)
|
|
{
|
|
int i, entry;
|
|
const u8 *pdata;
|
|
struct wl_fw_hdr *hdr;
|
|
for (i = 0; i < wl->fw.fw_cnt; i++) {
|
|
hdr = (struct wl_fw_hdr *)wl->fw.fw_hdr[i]->data;
|
|
for (entry = 0; entry < wl->fw.hdr_num_entries[i];
|
|
entry++, hdr++) {
|
|
if (hdr->idx == idx) {
|
|
pdata = wl->fw.fw_bin[i]->data + hdr->offset;
|
|
ASSERT(hdr->len == 4);
|
|
*data = *((u32 *) pdata);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
printf("ERROR: ucode tag:%d can not be found!\n", idx);
|
|
return -1;
|
|
}
|
|
#endif /* WLC_LOW */
|
|
|
|
static int wl_request_fw(wl_info_t *wl, struct pci_dev *pdev)
|
|
{
|
|
int status;
|
|
struct device *device = &pdev->dev;
|
|
char fw_name[100];
|
|
int i;
|
|
|
|
bzero((void *)&wl->fw, sizeof(struct wl_firmware));
|
|
for (i = 0; i < WL_MAX_FW; i++) {
|
|
if (wl_firmwares[i] == NULL)
|
|
break;
|
|
sprintf(fw_name, "%s-%d.fw", wl_firmwares[i],
|
|
UCODE_LOADER_API_VER);
|
|
WL_NONE(("request fw %s\n", fw_name));
|
|
status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
|
|
if (status) {
|
|
printf("%s: fail to load firmware %s\n",
|
|
KBUILD_MODNAME, fw_name);
|
|
wl_release_fw(wl);
|
|
return status;
|
|
}
|
|
WL_NONE(("request fw %s\n", fw_name));
|
|
sprintf(fw_name, "%s_hdr-%d.fw", wl_firmwares[i],
|
|
UCODE_LOADER_API_VER);
|
|
status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
|
|
if (status) {
|
|
printf("%s: fail to load firmware %s\n",
|
|
KBUILD_MODNAME, fw_name);
|
|
wl_release_fw(wl);
|
|
return status;
|
|
}
|
|
wl->fw.hdr_num_entries[i] =
|
|
wl->fw.fw_hdr[i]->size / (sizeof(struct wl_fw_hdr));
|
|
WL_NONE(("request fw %s find: %d entries\n", fw_name,
|
|
wl->fw.hdr_num_entries[i]));
|
|
}
|
|
wl->fw.fw_cnt = i;
|
|
wl_ucode_data_init(wl);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef WLC_LOW
|
|
void wl_ucode_free_buf(void *p)
|
|
{
|
|
kfree(p);
|
|
}
|
|
#endif /* WLC_LOW */
|
|
|
|
static void wl_release_fw(wl_info_t *wl)
|
|
{
|
|
int i;
|
|
for (i = 0; i < WL_MAX_FW; i++) {
|
|
release_firmware(wl->fw.fw_bin[i]);
|
|
release_firmware(wl->fw.fw_hdr[i]);
|
|
}
|
|
}
|
|
#endif /* WLC_HIGH_ONLY */
|