#include #include #include #include #include #include #include #define DHD_STATIC_VERSION_STR "1.579.77.41.1" #define BCMDHD_SDIO #define BCMDHD_PCIE enum dhd_prealloc_index { DHD_PREALLOC_PROT = 0, #if defined(BCMDHD_SDIO) DHD_PREALLOC_RXBUF = 1, DHD_PREALLOC_DATABUF = 2, #endif DHD_PREALLOC_OSL_BUF = 3, DHD_PREALLOC_SKB_BUF = 4, DHD_PREALLOC_WIPHY_ESCAN0 = 5, DHD_PREALLOC_WIPHY_ESCAN1 = 6, DHD_PREALLOC_DHD_INFO = 7, DHD_PREALLOC_DHD_WLFC_INFO = 8, #ifdef BCMDHD_PCIE DHD_PREALLOC_IF_FLOW_LKUP = 9, #endif DHD_PREALLOC_MEMDUMP_BUF = 10, DHD_PREALLOC_MEMDUMP_RAM = 11, DHD_PREALLOC_DHD_WLFC_HANGER = 12, DHD_PREALLOC_PKTID_MAP = 13, DHD_PREALLOC_PKTID_MAP_IOCTL = 14, DHD_PREALLOC_DHD_LOG_DUMP_BUF = 15, DHD_PREALLOC_DHD_LOG_DUMP_BUF_EX = 16, DHD_PREALLOC_DHD_PKTLOG_DUMP_BUF = 17, DHD_PREALLOC_STAT_REPORT_BUF = 18, DHD_PREALLOC_WL_ESCAN_INFO = 19, DHD_PREALLOC_FW_VERBOSE_RING = 20, DHD_PREALLOC_FW_EVENT_RING = 21, DHD_PREALLOC_DHD_EVENT_RING = 22, DHD_PREALLOC_NAN_EVENT_RING = 23, DHD_PREALLOC_MAX }; #define STATIC_BUF_MAX_NUM 20 #define STATIC_BUF_SIZE (PAGE_SIZE*2) #define DHD_PREALLOC_PROT_SIZE (16 * 1024) #define DHD_PREALLOC_RXBUF_SIZE (24 * 1024) #define DHD_PREALLOC_DATABUF_SIZE (64 * 1024) #define DHD_PREALLOC_OSL_BUF_SIZE (STATIC_BUF_MAX_NUM * STATIC_BUF_SIZE) #define DHD_PREALLOC_WIPHY_ESCAN0_SIZE (64 * 1024) #define DHD_PREALLOC_DHD_INFO_SIZE (30 * 1024) #define DHD_PREALLOC_MEMDUMP_RAM_SIZE (810 * 1024) #define DHD_PREALLOC_DHD_WLFC_HANGER_SIZE (73 * 1024) #define DHD_PREALLOC_WL_ESCAN_INFO_SIZE (66 * 1024) #ifdef CONFIG_64BIT #define DHD_PREALLOC_IF_FLOW_LKUP_SIZE (20 * 1024 * 2) #else #define DHD_PREALLOC_IF_FLOW_LKUP_SIZE (20 * 1024) #endif #define FW_VERBOSE_RING_SIZE (64 * 1024) #define FW_EVENT_RING_SIZE (64 * 1024) #define DHD_EVENT_RING_SIZE (64 * 1024) #define NAN_EVENT_RING_SIZE (64 * 1024) #if defined(CONFIG_64BIT) #define WLAN_DHD_INFO_BUF_SIZE (24 * 1024) #define WLAN_DHD_WLFC_BUF_SIZE (64 * 1024) #define WLAN_DHD_IF_FLOW_LKUP_SIZE (64 * 1024) #else #define WLAN_DHD_INFO_BUF_SIZE (16 * 1024) #define WLAN_DHD_WLFC_BUF_SIZE (24 * 1024) #define WLAN_DHD_IF_FLOW_LKUP_SIZE (20 * 1024) #endif /* CONFIG_64BIT */ #define WLAN_DHD_MEMDUMP_SIZE (800 * 1024) #define DHD_SKB_1PAGE_BUFSIZE (PAGE_SIZE*1) #define DHD_SKB_2PAGE_BUFSIZE (PAGE_SIZE*2) #define DHD_SKB_4PAGE_BUFSIZE (PAGE_SIZE*4) #define DHD_SKB_1PAGE_BUF_NUM 8 #ifdef BCMDHD_PCIE #define DHD_SKB_2PAGE_BUF_NUM 64 #elif defined(BCMDHD_SDIO) #define DHD_SKB_2PAGE_BUF_NUM 8 #endif #define DHD_SKB_4PAGE_BUF_NUM 1 /* The number is defined in linux_osl.c * WLAN_SKB_1_2PAGE_BUF_NUM => STATIC_PKT_1_2PAGE_NUM * WLAN_SKB_BUF_NUM => STATIC_PKT_MAX_NUM */ #define WLAN_SKB_1_2PAGE_BUF_NUM ((DHD_SKB_1PAGE_BUF_NUM) + \ (DHD_SKB_2PAGE_BUF_NUM)) #define WLAN_SKB_BUF_NUM ((WLAN_SKB_1_2PAGE_BUF_NUM) + (DHD_SKB_4PAGE_BUF_NUM)) void *wlan_static_prot = NULL; void *wlan_static_rxbuf = NULL; void *wlan_static_databuf = NULL; void *wlan_static_osl_buf = NULL; void *wlan_static_scan_buf0 = NULL; void *wlan_static_scan_buf1 = NULL; void *wlan_static_dhd_info_buf = NULL; void *wlan_static_dhd_wlfc_info_buf = NULL; void *wlan_static_if_flow_lkup = NULL; void *wlan_static_dhd_memdump_ram_buf = NULL; void *wlan_static_dhd_wlfc_hanger_buf = NULL; void *wlan_static_wl_escan_info_buf = NULL; void *wlan_static_fw_verbose_ring_buf = NULL; void *wlan_static_fw_event_ring_buf = NULL; void *wlan_static_dhd_event_ring_buf = NULL; void *wlan_static_nan_event_ring_buf = NULL; static struct sk_buff *wlan_static_skb[WLAN_SKB_BUF_NUM]; void *dhd_wlan_mem_prealloc(int section, unsigned long size) { pr_err("%s: sectoin %d, %ld\n", __func__, section, size); if (section == DHD_PREALLOC_PROT) return wlan_static_prot; #if defined(BCMDHD_SDIO) if (section == DHD_PREALLOC_RXBUF) return wlan_static_rxbuf; if (section == DHD_PREALLOC_DATABUF) return wlan_static_databuf; #endif /* BCMDHD_SDIO */ if (section == DHD_PREALLOC_SKB_BUF) return wlan_static_skb; if (section == DHD_PREALLOC_WIPHY_ESCAN0) return wlan_static_scan_buf0; if (section == DHD_PREALLOC_WIPHY_ESCAN1) return wlan_static_scan_buf1; if (section == DHD_PREALLOC_OSL_BUF) { if (size > DHD_PREALLOC_OSL_BUF_SIZE) { pr_err("request OSL_BUF(%lu) > %ld\n", size, DHD_PREALLOC_OSL_BUF_SIZE); return NULL; } return wlan_static_osl_buf; } if (section == DHD_PREALLOC_DHD_INFO) { if (size > DHD_PREALLOC_DHD_INFO_SIZE) { pr_err("request DHD_INFO size(%lu) > %d\n", size, DHD_PREALLOC_DHD_INFO_SIZE); return NULL; } return wlan_static_dhd_info_buf; } if (section == DHD_PREALLOC_DHD_WLFC_INFO) { if (size > WLAN_DHD_WLFC_BUF_SIZE) { pr_err("request DHD_WLFC_INFO size(%lu) > %d\n", size, WLAN_DHD_WLFC_BUF_SIZE); return NULL; } return wlan_static_dhd_wlfc_info_buf; } #ifdef BCMDHD_PCIE if (section == DHD_PREALLOC_IF_FLOW_LKUP) { if (size > DHD_PREALLOC_IF_FLOW_LKUP_SIZE) { pr_err("request DHD_IF_FLOW_LKUP size(%lu) > %d\n", size, DHD_PREALLOC_IF_FLOW_LKUP_SIZE); return NULL; } return wlan_static_if_flow_lkup; } #endif /* BCMDHD_PCIE */ if (section == DHD_PREALLOC_MEMDUMP_RAM) { if (size > DHD_PREALLOC_MEMDUMP_RAM_SIZE) { pr_err("request DHD_PREALLOC_MEMDUMP_RAM_SIZE(%lu) > %d\n", size, DHD_PREALLOC_MEMDUMP_RAM_SIZE); return NULL; } return wlan_static_dhd_memdump_ram_buf; } if (section == DHD_PREALLOC_DHD_WLFC_HANGER) { if (size > DHD_PREALLOC_DHD_WLFC_HANGER_SIZE) { pr_err("request DHD_WLFC_HANGER size(%lu) > %d\n", size, DHD_PREALLOC_DHD_WLFC_HANGER_SIZE); return NULL; } return wlan_static_dhd_wlfc_hanger_buf; } if (section == DHD_PREALLOC_WL_ESCAN_INFO) { if (size > DHD_PREALLOC_WL_ESCAN_INFO_SIZE) { pr_err("request DHD_PREALLOC_WL_ESCAN_INFO_SIZE(%lu) > %d\n", size, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); return NULL; } return wlan_static_wl_escan_info_buf; } if (section == DHD_PREALLOC_FW_VERBOSE_RING) { if (size > FW_VERBOSE_RING_SIZE) { pr_err("request DHD_PREALLOC_FW_VERBOSE_RING(%lu) > %d\n", size, FW_VERBOSE_RING_SIZE); return NULL; } return wlan_static_fw_verbose_ring_buf; } if (section == DHD_PREALLOC_FW_EVENT_RING) { if (size > FW_EVENT_RING_SIZE) { pr_err("request DHD_PREALLOC_FW_EVENT_RING(%lu) > %d\n", size, FW_EVENT_RING_SIZE); return NULL; } return wlan_static_fw_event_ring_buf; } if (section == DHD_PREALLOC_DHD_EVENT_RING) { if (size > DHD_EVENT_RING_SIZE) { pr_err("request DHD_PREALLOC_DHD_EVENT_RING(%lu) > %d\n", size, DHD_EVENT_RING_SIZE); return NULL; } return wlan_static_dhd_event_ring_buf; } if (section == DHD_PREALLOC_NAN_EVENT_RING) { if (size > NAN_EVENT_RING_SIZE) { pr_err("request DHD_PREALLOC_NAN_EVENT_RING(%lu) > %d\n", size, NAN_EVENT_RING_SIZE); return NULL; } return wlan_static_nan_event_ring_buf; } if ((section < 0) || (section > DHD_PREALLOC_MAX)) pr_err("request section id(%d) is out of max index %d\n", section, DHD_PREALLOC_MAX); pr_err("%s: failed to alloc section %d, size=%ld\n", __func__, section, size); return NULL; } EXPORT_SYMBOL(dhd_wlan_mem_prealloc); static int dhd_init_wlan_mem(void) { int i; int j; for (i = 0; i < DHD_SKB_1PAGE_BUF_NUM; i++) { wlan_static_skb[i] = dev_alloc_skb(DHD_SKB_1PAGE_BUFSIZE); if (!wlan_static_skb[i]) { goto err_skb_alloc; } pr_err("%s: sectoin %d skb[%d], size=%ld\n", __func__, DHD_PREALLOC_SKB_BUF, i, DHD_SKB_1PAGE_BUFSIZE); } for (i = DHD_SKB_1PAGE_BUF_NUM; i < WLAN_SKB_1_2PAGE_BUF_NUM; i++) { wlan_static_skb[i] = dev_alloc_skb(DHD_SKB_2PAGE_BUFSIZE); if (!wlan_static_skb[i]) { goto err_skb_alloc; } pr_err("%s: sectoin %d skb[%d], size=%ld\n", __func__, DHD_PREALLOC_SKB_BUF, i, DHD_SKB_2PAGE_BUFSIZE); } #if defined(BCMDHD_SDIO) wlan_static_skb[i] = dev_alloc_skb(DHD_SKB_4PAGE_BUFSIZE); if (!wlan_static_skb[i]) goto err_skb_alloc; pr_err("%s: sectoin %d skb[%d], size=%ld\n", __func__, DHD_PREALLOC_SKB_BUF, i, DHD_SKB_4PAGE_BUFSIZE); #endif /* BCMDHD_SDIO */ wlan_static_prot = kmalloc(DHD_PREALLOC_PROT_SIZE, GFP_KERNEL); if (!wlan_static_prot) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_PROT, DHD_PREALLOC_PROT_SIZE); #if defined(BCMDHD_SDIO) wlan_static_rxbuf = kmalloc(DHD_PREALLOC_RXBUF_SIZE, GFP_KERNEL); if (!wlan_static_rxbuf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_RXBUF, DHD_PREALLOC_RXBUF_SIZE); wlan_static_databuf = kmalloc(DHD_PREALLOC_DATABUF_SIZE, GFP_KERNEL); if (!wlan_static_databuf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_DATABUF, DHD_PREALLOC_DATABUF_SIZE); #endif /* BCMDHD_SDIO */ wlan_static_osl_buf = kmalloc(DHD_PREALLOC_OSL_BUF_SIZE, GFP_KERNEL); if (!wlan_static_osl_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%ld\n", __func__, DHD_PREALLOC_OSL_BUF, DHD_PREALLOC_OSL_BUF_SIZE); wlan_static_scan_buf0 = kmalloc(DHD_PREALLOC_WIPHY_ESCAN0_SIZE, GFP_KERNEL); if (!wlan_static_scan_buf0) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_WIPHY_ESCAN0, DHD_PREALLOC_WIPHY_ESCAN0_SIZE); wlan_static_dhd_info_buf = kmalloc(DHD_PREALLOC_DHD_INFO_SIZE, GFP_KERNEL); if (!wlan_static_dhd_info_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_DHD_INFO, DHD_PREALLOC_DHD_INFO_SIZE); wlan_static_dhd_wlfc_info_buf = kmalloc(WLAN_DHD_WLFC_BUF_SIZE, GFP_KERNEL); if (!wlan_static_dhd_wlfc_info_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_DHD_WLFC_INFO, WLAN_DHD_WLFC_BUF_SIZE); #ifdef BCMDHD_PCIE wlan_static_if_flow_lkup = kmalloc(DHD_PREALLOC_IF_FLOW_LKUP_SIZE, GFP_KERNEL); if (!wlan_static_if_flow_lkup) goto err_mem_alloc; #endif /* BCMDHD_PCIE */ wlan_static_dhd_memdump_ram_buf = kmalloc(DHD_PREALLOC_MEMDUMP_RAM_SIZE, GFP_KERNEL); if (!wlan_static_dhd_memdump_ram_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_MEMDUMP_RAM, DHD_PREALLOC_MEMDUMP_RAM_SIZE); wlan_static_dhd_wlfc_hanger_buf = kmalloc(DHD_PREALLOC_DHD_WLFC_HANGER_SIZE, GFP_KERNEL); if (!wlan_static_dhd_wlfc_hanger_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_DHD_WLFC_HANGER, DHD_PREALLOC_DHD_WLFC_HANGER_SIZE); wlan_static_wl_escan_info_buf = kmalloc(DHD_PREALLOC_WL_ESCAN_INFO_SIZE, GFP_KERNEL); if (!wlan_static_wl_escan_info_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_WL_ESCAN_INFO, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); wlan_static_fw_verbose_ring_buf = kmalloc( DHD_PREALLOC_WIPHY_ESCAN0_SIZE, GFP_KERNEL); if (!wlan_static_fw_verbose_ring_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_FW_VERBOSE_RING, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); wlan_static_fw_event_ring_buf = kmalloc(DHD_PREALLOC_WIPHY_ESCAN0_SIZE, GFP_KERNEL); if (!wlan_static_fw_event_ring_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_FW_EVENT_RING, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); wlan_static_dhd_event_ring_buf = kmalloc(DHD_PREALLOC_WIPHY_ESCAN0_SIZE, GFP_KERNEL); if (!wlan_static_dhd_event_ring_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_DHD_EVENT_RING, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); wlan_static_nan_event_ring_buf = kmalloc(DHD_PREALLOC_WIPHY_ESCAN0_SIZE, GFP_KERNEL); if (!wlan_static_nan_event_ring_buf) goto err_mem_alloc; pr_err("%s: sectoin %d, size=%d\n", __func__, DHD_PREALLOC_NAN_EVENT_RING, DHD_PREALLOC_WL_ESCAN_INFO_SIZE); return 0; err_mem_alloc: if (wlan_static_prot) kfree(wlan_static_prot); #if defined(BCMDHD_SDIO) if (wlan_static_rxbuf) kfree(wlan_static_rxbuf); if (wlan_static_databuf) kfree(wlan_static_databuf); #endif /* BCMDHD_SDIO */ if (wlan_static_osl_buf) kfree(wlan_static_osl_buf); if (wlan_static_scan_buf0) kfree(wlan_static_scan_buf0); if (wlan_static_scan_buf1) kfree(wlan_static_scan_buf1); if (wlan_static_dhd_info_buf) kfree(wlan_static_dhd_info_buf); if (wlan_static_dhd_wlfc_info_buf) kfree(wlan_static_dhd_wlfc_info_buf); #ifdef BCMDHD_PCIE if (wlan_static_if_flow_lkup) kfree(wlan_static_if_flow_lkup); #endif /* BCMDHD_PCIE */ if (wlan_static_dhd_memdump_ram_buf) kfree(wlan_static_dhd_memdump_ram_buf); if (wlan_static_dhd_wlfc_hanger_buf) kfree(wlan_static_dhd_wlfc_hanger_buf); if (wlan_static_wl_escan_info_buf) kfree(wlan_static_wl_escan_info_buf); #ifdef BCMDHD_PCIE if (wlan_static_fw_verbose_ring_buf) kfree(wlan_static_fw_verbose_ring_buf); if (wlan_static_fw_event_ring_buf) kfree(wlan_static_fw_event_ring_buf); if (wlan_static_dhd_event_ring_buf) kfree(wlan_static_dhd_event_ring_buf); if (wlan_static_nan_event_ring_buf) kfree(wlan_static_nan_event_ring_buf); #endif /* BCMDHD_PCIE */ pr_err("%s: Failed to mem_alloc for WLAN\n", __func__); i = WLAN_SKB_BUF_NUM; err_skb_alloc: pr_err("%s: Failed to skb_alloc for WLAN\n", __func__); for (j = 0; j < i; j++) dev_kfree_skb(wlan_static_skb[j]); return -ENOMEM; } static int __init dhd_static_buf_init(void) { printk(KERN_ERR "%s(): %s\n", __func__, DHD_STATIC_VERSION_STR); dhd_init_wlan_mem(); return 0; } static void __exit dhd_static_buf_exit(void) { int i; pr_err("%s()\n", __FUNCTION__); for (i = 0; i < DHD_SKB_1PAGE_BUF_NUM; i++) { if (wlan_static_skb[i]) dev_kfree_skb(wlan_static_skb[i]); } for (i = DHD_SKB_1PAGE_BUF_NUM; i < WLAN_SKB_1_2PAGE_BUF_NUM; i++) { if (wlan_static_skb[i]) dev_kfree_skb(wlan_static_skb[i]); } #if defined(BCMDHD_SDIO) if (wlan_static_skb[i]) dev_kfree_skb(wlan_static_skb[i]); #endif /* BCMDHD_SDIO */ if (wlan_static_prot) kfree(wlan_static_prot); #if defined(BCMDHD_SDIO) if (wlan_static_rxbuf) kfree(wlan_static_rxbuf); if (wlan_static_databuf) kfree(wlan_static_databuf); #endif /* BCMDHD_SDIO */ if (wlan_static_osl_buf) kfree(wlan_static_osl_buf); if (wlan_static_scan_buf0) kfree(wlan_static_scan_buf0); if (wlan_static_scan_buf1) kfree(wlan_static_scan_buf1); if (wlan_static_dhd_info_buf) kfree(wlan_static_dhd_info_buf); if (wlan_static_dhd_wlfc_info_buf) kfree(wlan_static_dhd_wlfc_info_buf); #ifdef BCMDHD_PCIE if (wlan_static_if_flow_lkup) kfree(wlan_static_if_flow_lkup); #endif /* BCMDHD_PCIE */ if (wlan_static_dhd_memdump_ram_buf) kfree(wlan_static_dhd_memdump_ram_buf); if (wlan_static_dhd_wlfc_hanger_buf) kfree(wlan_static_dhd_wlfc_hanger_buf); if (wlan_static_wl_escan_info_buf) kfree(wlan_static_wl_escan_info_buf); #ifdef BCMDHD_PCIE if (wlan_static_fw_verbose_ring_buf) kfree(wlan_static_fw_verbose_ring_buf); if (wlan_static_fw_event_ring_buf) kfree(wlan_static_fw_event_ring_buf); if (wlan_static_dhd_event_ring_buf) kfree(wlan_static_dhd_event_ring_buf); if (wlan_static_nan_event_ring_buf) kfree(wlan_static_nan_event_ring_buf); #endif return; } module_init(dhd_static_buf_init); module_exit(dhd_static_buf_exit);