RK WiFi驱动层初始化分析

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//drivers/net/wireless/rockchip_wlan/rkwifi/bcmdhd/dhd_linux.c

int rockchip_wifi_init_module_rkwifi(void)

{

    struct task_struct *kthread = NULL;

    kthread = kthread_run(wifi_init_thread, NULL, "wifi_init_thread");

    if (IS_ERR(kthread))

        pr_err("create wifi_init_thread failed.n");

    return 0;

}

void rockchip_wifi_exit_module_rkwifi(void)

{

    dhd_module_exit();

}

#ifdef CONFIG_WIFI_BUILD_MODULE

module_init(rockchip_wifi_init_module_rkwifi);

module_exit(rockchip_wifi_exit_module_rkwifi);

#else

#ifdef CONFIG_WIFI_LOAD_DRIVER_WHEN_KERNEL_BOOTUP

late_initcall(rockchip_wifi_init_module_rkwifi);

module_exit(rockchip_wifi_exit_module_rkwifi);

#else

module_init(rockchip_wifi_init_module_rkwifi);

module_exit(rockchip_wifi_exit_module_rkwifi);

#endif

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[   15.354355] dhd_bus_devreset: == WLAN ON ==

[   15.354456] F1 signature read @0x18000000=0x15294345

[   15.356829] F1 signature OK, socitype:0x1 chip:0x4345 rev:0x9 pkg:0x2

[   15.357223] DHD: dongle ram size is set to 819200(orig 819200) at 0x198000

[   15.357292] dhd_bus_set_default_min_res_mask: Unhandled chip id

[   15.358149] dhd_os_open_image: /system/etc/firmware/config.txt (50 bytes) open success

[   15.359381] dhd_conf_read_pkt_filter: dhd_master_mode = 1

[   15.359413] dhd_conf_read_pkt_filter: magic_pkt_filter_add = 141 0 1 12

[   15.359437] Final fw_path=/system/etc/firmware/fw_bcm43456c5_ag.bin

[   15.359445] Final nv_path=/system/etc/firmware/nvram_ap6256.txt

[   15.359452] Final clm_path=/system/etc/firmware/clm_bcmdhd.blob

[   15.359459] Final conf_path=/system/etc/firmware/config.txt

[   15.359467] dhd_set_bus_params: set use_rxchain 0

[   15.359474] dhd_set_bus_params: set txglomsize 36

[   15.360352] dhd_os_open_image: /system/etc/firmware/fw_bcm43456c5_ag.bin (482927 bytes) open success

[   15.436124] dhd_os_open_image: /system/etc/firmware/nvram_ap6256.txt (2424 bytes) open success

[   15.437012] NVRAM version: AP6256_NVRAM_V1.2_09202018.txt

[   15.437561] dhdsdio_write_vars: Download, Upload and compare of NVRAM succeeded.

[   15.518743] dhd_bus_init: enable 0x06, ready 0x06 (waited 0us)

[   15.519082] bcmsdh_oob_intr_register: HW_OOB irq=152 flags=0x4

[   15.519421] dhd_get_memdump_info: File [/data/misc/wifi/.memdump.info] doesn't exist

[   15.519430] dhd_get_memdump_info: MEMDUMP ENABLED = 2

[   15.520414] Disable tdls_auto_op failed. -1

[   15.520424] dhd_preinit_ioctls: Set tcpack_sup_mode 0

[   15.520433] dhd_tcpack_suppress_set 352: already set to 0

[   15.520446] wifi_platform_get_mac_addr

[   15.520453] ======== dhd_wlan_get_mac_addr ========

[   15.520462] [WLAN_RFKILL]: rockchip_wifi_mac_addr: enter.

[   15.520471] [WLAN_RFKILL]: get_wifi_addr_vendor: rk_vendor_read wifi mac address failed (-1)

[   15.520479] dhd_preinit_ioctls: can't get custom MAC address, ret=-1

[   15.520804] dhd_apply_default_clm: Ignore clm file /system/etc/firmware/clm_bcmdhd.blob

[   15.522459] Firmware up: op_mode=0x0005, MAC=c0:84:7d:ad:ba:30

[   15.522478] dhd_conf_set_country: set country CN, revision 38

[   15.545118] Country code: CN (CN/38)

[   15.545855] dhd_conf_set_intiovar: set roam_off 1

[   15.557139]   Driver: 1.579.77.41.2 (r)

[   15.557139]   Firmware: wl0: Jun 16 2017 12:38:26 version 7.45.96.2 (66c4e21@sh-git) (r) FWID 01-1813af84

[   15.557139]   CLM: 9.2.9

[   15.557412] dhd_txglom_enable: enable 1

[   15.557424] dhd_conf_set_txglom_params: txglomsize=36, deferred_tx_len=36, bus_txglom=-1

[   15.557433] dhd_conf_set_txglom_params: tx_in_rx=1, txinrx_thres=-1, dhd_txminmax=1

[   15.557440] dhd_conf_set_txglom_params: tx_max_offset=0, txctl_tmo_fix=5

[   15.557450] sdioh_set_mode: set txglom_mode to copy

[   15.557464] dhd_conf_get_disable_proptx: fw_proptx=1, disable_proptx=-1

[   15.560040] dhd_wlfc_hostreorder_init(): successful bdcv2 tlv signaling, 64

[   15.560255] dhd_conf_set_intiovar: set ampdu_hostreorder 1

[   15.561450] dhd_pno_init: Support Android Location Service

[   15.580174] CFG80211-ERROR) wl_cfg80211_event : Event handler is not created

[   15.582405] rtt_do_get_ioctl: failed to send getbuf proxd iovar (CMD ID : 1), status=-23

[   15.582439] dhd_rtt_init : FTM is not supported

[   15.582449] dhd_preinit_ioctls: SensorHub diabled 0

[   15.583222] dhd_preinit_ioctls failed to set ShubHub disable

[   15.585071] wl_android_wifi_on: Success

[   15.613745] dhd_open: Exit ret=0

[   15.627265] init: Starting service 'p2p_supplicant'...

[   15.853910] P2P interface registered

[   15.853965] wl_cfgp2p_add_p2p_disc_if: wdev: ffffffc0f532a400, wdev->net:           (null)

[   15.870543] WLC_E_IF: NO_IF set, event Ignored

[   15.871833] P2P interface started