mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2024-11-15 01:19:36 +00:00
1322 lines
28 KiB
C
1322 lines
28 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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*
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*
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******************************************************************************/
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#define _OSDEP_SERVICE_C_
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#include <drv_conf.h>
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#include <osdep_service.h>
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#include <drv_types.h>
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#include <recv_osdep.h>
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#include <rtw_ioctl_set.h>
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#include <linux/vmalloc.h>
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#define RT_TAG '1178'
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/*
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* Translate the OS dependent @param error_code to OS independent RTW_STATUS_CODE
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* @return: one of RTW_STATUS_CODE
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*/
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inline int RTW_STATUS_CODE(int error_code) {
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if (error_code >=0)
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return _SUCCESS;
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switch (error_code) {
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/* case -ETIMEDOUT: */
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/* return RTW_STATUS_TIMEDOUT; */
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default:
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return _FAIL;
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}
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}
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u32 rtw_atoi(u8* s)
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{
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int num=0,flag=0;
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int i;
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for (i=0;i<=strlen(s);i++) {
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if (s[i] >= '0' && s[i] <= '9')
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num = num * 10 + s[i] -'0';
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else if (s[0] == '-' && i== 0)
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flag =1;
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else
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break;
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}
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if (flag == 1)
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num = num * -1;
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return num;
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}
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inline u8* _rtw_vmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = vmalloc(sz);
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return pbuf;
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}
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inline u8* _rtw_zvmalloc(u32 sz)
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{
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u8 *pbuf;
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pbuf = _rtw_vmalloc(sz);
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if (pbuf != NULL)
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memset(pbuf, 0, sz);
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return pbuf;
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}
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inline void _rtw_vmfree(u8 *pbuf, u32 sz)
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{
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vfree(pbuf);
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}
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u8* _rtw_malloc(u32 sz)
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{
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u8 *pbuf= NULL;
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pbuf = kmalloc(sz,in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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return pbuf;
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}
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u8* _rtw_zmalloc(u32 sz)
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{
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u8 *pbuf = _rtw_malloc(sz);
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if (pbuf != NULL) {
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memset(pbuf, 0, sz);
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}
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return pbuf;
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}
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void _rtw_mfree(u8 *pbuf, u32 sz)
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{
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kfree(pbuf);
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}
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inline struct sk_buff *_rtw_skb_alloc(u32 sz)
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{
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return __dev_alloc_skb(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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}
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inline void _rtw_skb_free(struct sk_buff *skb)
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{
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dev_kfree_skb_any(skb);
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}
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inline struct sk_buff *_rtw_skb_copy(const struct sk_buff *skb)
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{
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return skb_copy(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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}
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inline struct sk_buff *_rtw_skb_clone(struct sk_buff *skb)
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{
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return skb_clone(skb, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
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}
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inline int _rtw_netif_rx(struct net_device * ndev, struct sk_buff *skb)
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{
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skb->dev = ndev;
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return netif_rx(skb);
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}
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void _rtw_skb_queue_purge(struct sk_buff_head *list)
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{
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struct sk_buff *skb;
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while ((skb = skb_dequeue(list)) != NULL)
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_rtw_skb_free(skb);
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}
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inline void *_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
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return usb_alloc_coherent(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
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#else
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return usb_buffer_alloc(dev, size, (in_interrupt() ? GFP_ATOMIC : GFP_KERNEL), dma);
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#endif
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}
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inline void _rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma)
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{
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
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usb_free_coherent(dev, size, addr, dma);
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#else
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usb_buffer_free(dev, size, addr, dma);
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#endif
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}
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#ifdef DBG_MEM_ALLOC
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struct rtw_mem_stat {
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ATOMIC_T alloc; /* the memory bytes we allocate currently */
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ATOMIC_T peak; /* the peak memory bytes we allocate */
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ATOMIC_T alloc_cnt; /* the alloc count for alloc currently */
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ATOMIC_T alloc_err_cnt; /* the error times we fail to allocate memory */
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};
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struct rtw_mem_stat rtw_mem_type_stat[mstat_tf_idx(MSTAT_TYPE_MAX)];
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struct rtw_mem_stat rtw_mem_func_stat[mstat_ff_idx(MSTAT_FUNC_MAX)];
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char *MSTAT_TYPE_str[] = {
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"VIR",
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"PHY",
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"SKB",
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"USB",
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};
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char *MSTAT_FUNC_str[] = {
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"UNSP",
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"IO",
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"TXIO",
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"RXIO",
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"TX",
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"RX",
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};
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int _rtw_mstat_dump(char *buf, int len)
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{
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int cnt = 0;
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int i;
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int value_t[4][mstat_tf_idx(MSTAT_TYPE_MAX)];
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int value_f[4][mstat_ff_idx(MSTAT_FUNC_MAX)];
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int vir_alloc, vir_peak, vir_alloc_err, phy_alloc, phy_peak, phy_alloc_err;
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int tx_alloc, tx_peak, tx_alloc_err, rx_alloc, rx_peak, rx_alloc_err;
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for (i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
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value_t[0][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc));
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value_t[1][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].peak));
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value_t[2][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_cnt));
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value_t[3][i] = ATOMIC_READ(&(rtw_mem_type_stat[i].alloc_err_cnt));
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}
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cnt += snprintf(buf+cnt, len-cnt, "===================== MSTAT =====================\n");
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cnt += snprintf(buf+cnt, len-cnt, "%4s %10s %10s %10s %10s\n", "TAG", "alloc", "peak", "aloc_cnt", "err_cnt");
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cnt += snprintf(buf+cnt, len-cnt, "-------------------------------------------------\n");
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for (i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
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cnt += snprintf(buf+cnt, len-cnt, "%4s %10d %10d %10d %10d\n", MSTAT_TYPE_str[i], value_t[0][i], value_t[1][i], value_t[2][i], value_t[3][i]);
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}
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return cnt;
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}
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void rtw_mstat_dump(void)
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{
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char buf[768] = {0};
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_rtw_mstat_dump(buf, 768);
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DBG_88E("\n%s", buf);
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}
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void rtw_mstat_update(const enum mstat_f flags, const MSTAT_STATUS status, u32 sz)
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{
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static u32 update_time = 0;
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int peak, alloc;
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int i;
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/* initialization */
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if (!update_time) {
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for (i=0;i<mstat_tf_idx(MSTAT_TYPE_MAX);i++) {
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ATOMIC_SET(&(rtw_mem_type_stat[i].alloc), 0);
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ATOMIC_SET(&(rtw_mem_type_stat[i].peak), 0);
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ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_cnt), 0);
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ATOMIC_SET(&(rtw_mem_type_stat[i].alloc_err_cnt), 0);
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}
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for (i=0;i<mstat_ff_idx(MSTAT_FUNC_MAX);i++) {
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ATOMIC_SET(&(rtw_mem_func_stat[i].alloc), 0);
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ATOMIC_SET(&(rtw_mem_func_stat[i].peak), 0);
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ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_cnt), 0);
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ATOMIC_SET(&(rtw_mem_func_stat[i].alloc_err_cnt), 0);
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}
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}
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switch (status) {
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case MSTAT_ALLOC_SUCCESS:
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ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
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alloc = ATOMIC_ADD_RETURN(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
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peak=ATOMIC_READ(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak));
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if (peak<alloc)
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ATOMIC_SET(&(rtw_mem_type_stat[mstat_tf_idx(flags)].peak), alloc);
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ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
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alloc = ATOMIC_ADD_RETURN(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
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peak=ATOMIC_READ(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak));
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if (peak<alloc)
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ATOMIC_SET(&(rtw_mem_func_stat[mstat_ff_idx(flags)].peak), alloc);
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break;
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case MSTAT_ALLOC_FAIL:
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ATOMIC_INC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_err_cnt));
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ATOMIC_INC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_err_cnt));
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break;
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case MSTAT_FREE:
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ATOMIC_DEC(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc_cnt));
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ATOMIC_SUB(&(rtw_mem_type_stat[mstat_tf_idx(flags)].alloc), sz);
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ATOMIC_DEC(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc_cnt));
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ATOMIC_SUB(&(rtw_mem_func_stat[mstat_ff_idx(flags)].alloc), sz);
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break;
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};
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/* if (rtw_get_passing_time_ms(update_time) > 5000) { */
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/* rtw_mstat_dump(); */
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update_time=jiffies;
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/* */
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}
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inline u8* dbg_rtw_vmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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u8 *p;
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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p=_rtw_vmalloc((sz));
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rtw_mstat_update(
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flags
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, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, sz
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);
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return p;
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}
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inline u8* dbg_rtw_zvmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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u8 *p;
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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p=_rtw_zvmalloc((sz));
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rtw_mstat_update(
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flags
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, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, sz
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);
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return p;
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}
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inline void dbg_rtw_vmfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%p,%d)\n", func, line, __FUNCTION__, (pbuf), (sz)); */
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_rtw_vmfree((pbuf), (sz));
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rtw_mstat_update(
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flags
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, MSTAT_FREE
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, sz
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);
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}
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inline u8* dbg_rtw_malloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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u8 *p;
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/* if (sz>=153 && sz<=306) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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/* if ((sz)>4096) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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p=_rtw_malloc((sz));
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rtw_mstat_update(
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flags
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, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, sz
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);
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return p;
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}
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inline u8* dbg_rtw_zmalloc(u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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u8 *p;
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/* if (sz>=153 && sz<=306) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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/* if ((sz)>4096) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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p = _rtw_zmalloc((sz));
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rtw_mstat_update(
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flags
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, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, sz
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);
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return p;
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}
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inline void dbg_rtw_mfree(u8 *pbuf, u32 sz, const enum mstat_f flags, const char *func, const int line)
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{
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/* if (sz>=153 && sz<=306) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, (sz)); */
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/* if ((sz)>4096) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%p,%d)\n", func, line, __FUNCTION__, (pbuf), (sz)); */
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_rtw_mfree((pbuf), (sz));
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rtw_mstat_update(
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flags
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, MSTAT_FREE
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, sz
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);
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}
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inline struct sk_buff * dbg_rtw_skb_alloc(unsigned int size, const enum mstat_f flags, const char *func, int line)
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{
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struct sk_buff *skb;
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unsigned int truesize = 0;
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skb = _rtw_skb_alloc(size);
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if (skb)
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truesize = skb->truesize;
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if (!skb || truesize < size /*|| size > 4096*/)
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DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d), skb:%p, truesize=%u\n", func, line, __FUNCTION__, size, skb, truesize);
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rtw_mstat_update(
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flags
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, skb ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, truesize
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);
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return skb;
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}
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inline void dbg_rtw_skb_free(struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
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{
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unsigned int truesize = skb->truesize;
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/* if (truesize > 4096) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize); */
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_rtw_skb_free(skb);
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rtw_mstat_update(
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flags
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, MSTAT_FREE
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, truesize
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);
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}
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inline struct sk_buff *dbg_rtw_skb_copy(const struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
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{
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struct sk_buff *skb_cp;
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unsigned int truesize = skb->truesize;
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unsigned int cp_truesize = 0;
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skb_cp = _rtw_skb_copy(skb);
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if (skb_cp)
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cp_truesize = skb_cp->truesize;
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if (!skb_cp || cp_truesize != truesize /*||cp_truesize > 4096*/)
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DBG_88E("DBG_MEM_ALLOC %s:%d %s(%u), skb_cp:%p, cp_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cp, cp_truesize);
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rtw_mstat_update(
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flags
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, skb_cp ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, truesize
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);
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return skb_cp;
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}
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inline struct sk_buff *dbg_rtw_skb_clone(struct sk_buff *skb, const enum mstat_f flags, const char *func, const int line)
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{
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struct sk_buff *skb_cl;
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unsigned int truesize = skb->truesize;
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unsigned int cl_truesize = 0;
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skb_cl = _rtw_skb_clone(skb);
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if (skb_cl)
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cl_truesize = skb_cl->truesize;
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if (!skb_cl || cl_truesize != truesize /*|| cl_truesize > 4096*/)
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DBG_88E("DBG_MEM_ALLOC %s:%d %s(%u), skb_cl:%p, cl_truesize=%u\n", func, line, __FUNCTION__, truesize, skb_cl, cl_truesize);
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rtw_mstat_update(
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flags
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, skb_cl ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
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, truesize
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);
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return skb_cl;
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}
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|
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inline int dbg_rtw_netif_rx(struct net_device * ndev, struct sk_buff *skb, const enum mstat_f flags, const char *func, int line)
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{
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int ret;
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unsigned int truesize = skb->truesize;
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|
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/* if (truesize > 4096) */
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/* DBG_88E("DBG_MEM_ALLOC %s:%d %s, truesize=%u\n", func, line, __FUNCTION__, truesize); */
|
|
|
|
ret = _rtw_netif_rx(ndev, skb);
|
|
|
|
rtw_mstat_update(
|
|
flags
|
|
, MSTAT_FREE
|
|
, truesize
|
|
);
|
|
|
|
return ret;
|
|
}
|
|
|
|
inline void dbg_rtw_skb_queue_purge(struct sk_buff_head *list, enum mstat_f flags, const char *func, int line)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
while ((skb = skb_dequeue(list)) != NULL)
|
|
dbg_rtw_skb_free(skb, flags, func, line);
|
|
}
|
|
|
|
inline void *dbg_rtw_usb_buffer_alloc(struct usb_device *dev, size_t size, dma_addr_t *dma, const enum mstat_f flags, const char *func, int line)
|
|
{
|
|
void *p;
|
|
/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, size); */
|
|
|
|
p = _rtw_usb_buffer_alloc(dev, size, dma);
|
|
|
|
rtw_mstat_update(
|
|
flags
|
|
, p ? MSTAT_ALLOC_SUCCESS : MSTAT_ALLOC_FAIL
|
|
, size
|
|
);
|
|
|
|
return p;
|
|
}
|
|
|
|
inline void dbg_rtw_usb_buffer_free(struct usb_device *dev, size_t size, void *addr, dma_addr_t dma, const enum mstat_f flags, const char *func, int line)
|
|
{
|
|
/* DBG_88E("DBG_MEM_ALLOC %s:%d %s(%d)\n", func, line, __FUNCTION__, size); */
|
|
|
|
_rtw_usb_buffer_free(dev, size, addr, dma);
|
|
|
|
rtw_mstat_update(
|
|
flags
|
|
, MSTAT_FREE
|
|
, size
|
|
);
|
|
}
|
|
#endif /* DBG_MEM_ALLOC */
|
|
|
|
void* rtw_malloc2d(int h, int w, int size)
|
|
{
|
|
int j;
|
|
|
|
void **a = (void **) rtw_zmalloc( h*sizeof(void *) + h*w*size );
|
|
if (a == NULL)
|
|
{
|
|
DBG_88E("%s: alloc memory fail!\n", __FUNCTION__);
|
|
return NULL;
|
|
}
|
|
|
|
for ( j=0; j<h; j++ )
|
|
a[j] = ((char *)(a+h)) + j*w*size;
|
|
|
|
return a;
|
|
}
|
|
|
|
void rtw_mfree2d(void *pbuf, int h, int w, int size)
|
|
{
|
|
rtw_mfree((u8 *)pbuf, h*sizeof(void*) + w*h*size);
|
|
}
|
|
|
|
int _rtw_memcmp(void *dst, void *src, u32 sz)
|
|
{
|
|
/* under Linux/GNU/GLibc, the return value of memcmp for two same mem. chunk is 0 */
|
|
if (!(memcmp(dst, src, sz)))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
void _rtw_init_listhead(struct list_head *list)
|
|
{
|
|
INIT_LIST_HEAD(list);
|
|
}
|
|
|
|
|
|
/*
|
|
For the following list_xxx operations,
|
|
caller must guarantee the atomic context.
|
|
Otherwise, there will be racing condition.
|
|
*/
|
|
u32 rtw_is_list_empty(struct list_head *phead)
|
|
{
|
|
if (list_empty(phead))
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
void rtw_list_insert_head(struct list_head *plist, struct list_head *phead)
|
|
{
|
|
list_add(plist, phead);
|
|
}
|
|
|
|
void rtw_list_insert_tail(struct list_head *plist, struct list_head *phead)
|
|
{
|
|
list_add_tail(plist, phead);
|
|
}
|
|
|
|
|
|
/*
|
|
|
|
Caller must check if the list is empty before calling rtw_list_delete
|
|
|
|
*/
|
|
|
|
|
|
void _rtw_init_sema(struct semaphore *sema, int init_val)
|
|
{
|
|
sema_init(sema, init_val);
|
|
}
|
|
|
|
void _rtw_free_sema(struct semaphore *sema)
|
|
{
|
|
}
|
|
|
|
void _rtw_up_sema(struct semaphore *sema)
|
|
{
|
|
up(sema);
|
|
}
|
|
|
|
u32 _rtw_down_sema(struct semaphore *sema)
|
|
{
|
|
if (down_interruptible(sema))
|
|
return _FAIL;
|
|
else
|
|
return _SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
void _rtw_mutex_init(_mutex *pmutex)
|
|
{
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
|
|
mutex_init(pmutex);
|
|
#else
|
|
init_MUTEX(pmutex);
|
|
#endif
|
|
}
|
|
|
|
void _rtw_mutex_free(_mutex *pmutex)
|
|
{
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
|
|
mutex_destroy(pmutex);
|
|
#endif
|
|
}
|
|
|
|
void _rtw_init_queue(struct __queue *pqueue)
|
|
{
|
|
|
|
_rtw_init_listhead(&(pqueue->queue));
|
|
|
|
spin_lock_init(&(pqueue->lock));
|
|
|
|
}
|
|
|
|
u32 _rtw_queue_empty(struct __queue *pqueue)
|
|
{
|
|
return (rtw_is_list_empty(&(pqueue->queue)));
|
|
}
|
|
|
|
|
|
u32 rtw_end_of_queue_search(struct list_head *head, struct list_head *plist)
|
|
{
|
|
if (head == plist)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
|
|
inline u32 rtw_systime_to_ms(u32 systime)
|
|
{
|
|
return systime * 1000 / HZ;
|
|
}
|
|
|
|
inline u32 rtw_ms_to_systime(u32 ms)
|
|
{
|
|
return ms * HZ / 1000;
|
|
}
|
|
|
|
/* the input parameter start use jiffies */
|
|
inline s32 rtw_get_passing_time_ms(u32 start)
|
|
{
|
|
return rtw_systime_to_ms(jiffies-start);
|
|
}
|
|
|
|
inline s32 rtw_get_time_interval_ms(u32 start, u32 end)
|
|
{
|
|
return rtw_systime_to_ms(end-start);
|
|
}
|
|
|
|
|
|
void rtw_sleep_schedulable(int ms)
|
|
{
|
|
u32 delta;
|
|
|
|
delta = (ms * HZ)/1000;/* ms) */
|
|
if (delta == 0) {
|
|
delta = 1;/* 1 ms */
|
|
}
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
if (schedule_timeout(delta) != 0) {
|
|
return ;
|
|
}
|
|
}
|
|
|
|
|
|
void rtw_msleep_os(int ms)
|
|
{
|
|
msleep((unsigned int)ms);
|
|
}
|
|
|
|
void rtw_usleep_os(int us)
|
|
{
|
|
if ( 1 < (us/1000) )
|
|
msleep(1);
|
|
else
|
|
msleep( (us/1000) + 1);
|
|
}
|
|
|
|
|
|
#ifdef DBG_DELAY_OS
|
|
void _rtw_mdelay_os(int ms, const char *func, const int line)
|
|
{
|
|
DBG_88E("%s:%d %s(%d)\n", func, line, __FUNCTION__, ms);
|
|
mdelay((unsigned long)ms);
|
|
}
|
|
|
|
void _rtw_udelay_os(int us, const char *func, const int line)
|
|
{
|
|
DBG_88E("%s:%d %s(%d)\n", func, line, __FUNCTION__, us);
|
|
udelay((unsigned long)us);
|
|
}
|
|
#else
|
|
void rtw_mdelay_os(int ms)
|
|
{
|
|
mdelay((unsigned long)ms);
|
|
}
|
|
void rtw_udelay_os(int us)
|
|
{
|
|
udelay((unsigned long)us);
|
|
}
|
|
#endif
|
|
|
|
void rtw_yield_os(void)
|
|
{
|
|
yield();
|
|
}
|
|
|
|
#define RTW_SUSPEND_LOCK_NAME "rtw_wifi"
|
|
#define RTW_SUSPEND_EXT_LOCK_NAME "rtw_wifi_ext"
|
|
|
|
|
|
inline void rtw_suspend_lock_init(void)
|
|
{
|
|
}
|
|
|
|
inline void rtw_suspend_lock_uninit(void)
|
|
{
|
|
}
|
|
|
|
inline void rtw_lock_suspend(void)
|
|
{
|
|
}
|
|
|
|
inline void rtw_unlock_suspend(void)
|
|
{
|
|
}
|
|
|
|
inline void rtw_lock_suspend_timeout(u32 timeout_ms)
|
|
{
|
|
}
|
|
|
|
inline void rtw_lock_ext_suspend_timeout(u32 timeout_ms)
|
|
{
|
|
}
|
|
|
|
inline void ATOMIC_SET(ATOMIC_T *v, int i)
|
|
{
|
|
atomic_set(v,i);
|
|
}
|
|
|
|
inline int ATOMIC_READ(ATOMIC_T *v)
|
|
{
|
|
return atomic_read(v);
|
|
}
|
|
|
|
inline void ATOMIC_ADD(ATOMIC_T *v, int i)
|
|
{
|
|
atomic_add(i,v);
|
|
}
|
|
inline void ATOMIC_SUB(ATOMIC_T *v, int i)
|
|
{
|
|
atomic_sub(i,v);
|
|
}
|
|
|
|
inline void ATOMIC_INC(ATOMIC_T *v)
|
|
{
|
|
atomic_inc(v);
|
|
}
|
|
|
|
inline void ATOMIC_DEC(ATOMIC_T *v)
|
|
{
|
|
atomic_dec(v);
|
|
}
|
|
|
|
inline int ATOMIC_ADD_RETURN(ATOMIC_T *v, int i)
|
|
{
|
|
return atomic_add_return(i,v);
|
|
}
|
|
|
|
inline int ATOMIC_SUB_RETURN(ATOMIC_T *v, int i)
|
|
{
|
|
return atomic_sub_return(i,v);
|
|
}
|
|
|
|
inline int ATOMIC_INC_RETURN(ATOMIC_T *v)
|
|
{
|
|
return atomic_inc_return(v);
|
|
}
|
|
|
|
inline int ATOMIC_DEC_RETURN(ATOMIC_T *v)
|
|
{
|
|
return atomic_dec_return(v);
|
|
}
|
|
|
|
|
|
/*
|
|
* Open a file with the specific @param path, @param flag, @param mode
|
|
* @param fpp the pointer of struct file pointer to get struct file pointer while file opening is success
|
|
* @param path the path of the file to open
|
|
* @param flag file operation flags, please refer to linux document
|
|
* @param mode please refer to linux document
|
|
* @return Linux specific error code
|
|
*/
|
|
static int openFile(struct file **fpp, char *path, int flag, int mode)
|
|
{
|
|
struct file *fp;
|
|
|
|
fp=filp_open(path, flag, mode);
|
|
if (IS_ERR(fp)) {
|
|
*fpp= NULL;
|
|
return PTR_ERR(fp);
|
|
}
|
|
else {
|
|
*fpp=fp;
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Close the file with the specific @param fp
|
|
* @param fp the pointer of struct file to close
|
|
* @return always 0
|
|
*/
|
|
static int closeFile(struct file *fp)
|
|
{
|
|
filp_close(fp,NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int readFile(struct file *fp,char *buf,int len)
|
|
{
|
|
int rlen=0, sum=0;
|
|
|
|
if (!fp->f_op || !fp->f_op->read)
|
|
return -EPERM;
|
|
|
|
while (sum<len) {
|
|
rlen=fp->f_op->read(fp,(char __user *)buf+sum,len-sum, &fp->f_pos);
|
|
if (rlen>0)
|
|
sum+=rlen;
|
|
else if (0 != rlen)
|
|
return rlen;
|
|
else
|
|
break;
|
|
}
|
|
|
|
return sum;
|
|
|
|
}
|
|
|
|
static int writeFile(struct file *fp,char *buf,int len)
|
|
{
|
|
int wlen=0, sum=0;
|
|
|
|
if (!fp->f_op || !fp->f_op->write)
|
|
return -EPERM;
|
|
|
|
while (sum<len) {
|
|
wlen=fp->f_op->write(fp,(char __user *)buf+sum,len-sum, &fp->f_pos);
|
|
if (wlen>0)
|
|
sum+=wlen;
|
|
else if (0 != wlen)
|
|
return wlen;
|
|
else
|
|
break;
|
|
}
|
|
|
|
return sum;
|
|
|
|
}
|
|
|
|
/*
|
|
* Test if the specifi @param path is a file and readable
|
|
* @param path the path of the file to test
|
|
* @return Linux specific error code
|
|
*/
|
|
static int isFileReadable(char *path)
|
|
{
|
|
struct file *fp;
|
|
int ret = 0;
|
|
mm_segment_t oldfs;
|
|
char buf;
|
|
|
|
fp=filp_open(path, O_RDONLY, 0);
|
|
if (IS_ERR(fp)) {
|
|
ret = PTR_ERR(fp);
|
|
}
|
|
else {
|
|
oldfs = get_fs(); set_fs(get_ds());
|
|
|
|
if (1!=readFile(fp, &buf, 1))
|
|
ret = PTR_ERR(fp);
|
|
|
|
set_fs(oldfs);
|
|
filp_close(fp,NULL);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
|
|
* @param path the path of the file to open and read
|
|
* @param buf the starting address of the buffer to store file content
|
|
* @param sz how many bytes to read at most
|
|
* @return the byte we've read, or Linux specific error code
|
|
*/
|
|
static int retriveFromFile(char *path, u8* buf, u32 sz)
|
|
{
|
|
int ret =-1;
|
|
mm_segment_t oldfs;
|
|
struct file *fp;
|
|
|
|
if (path && buf) {
|
|
if ( 0 == (ret=openFile(&fp,path, O_RDONLY, 0)) ) {
|
|
DBG_88E("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
|
|
|
|
oldfs = get_fs(); set_fs(get_ds());
|
|
ret=readFile(fp, buf, sz);
|
|
set_fs(oldfs);
|
|
closeFile(fp);
|
|
|
|
DBG_88E("%s readFile, ret:%d\n",__FUNCTION__, ret);
|
|
|
|
} else {
|
|
DBG_88E("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
|
|
}
|
|
} else {
|
|
DBG_88E("%s NULL pointer\n",__FUNCTION__);
|
|
ret = -EINVAL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
|
|
* @param path the path of the file to open and write
|
|
* @param buf the starting address of the data to write into file
|
|
* @param sz how many bytes to write at most
|
|
* @return the byte we've written, or Linux specific error code
|
|
*/
|
|
static int storeToFile(char *path, u8* buf, u32 sz)
|
|
{
|
|
int ret =0;
|
|
mm_segment_t oldfs;
|
|
struct file *fp;
|
|
|
|
if (path && buf) {
|
|
if ( 0 == (ret=openFile(&fp, path, O_CREAT|O_WRONLY, 0666)) ) {
|
|
DBG_88E("%s openFile path:%s fp=%p\n",__FUNCTION__, path ,fp);
|
|
|
|
oldfs = get_fs(); set_fs(get_ds());
|
|
ret=writeFile(fp, buf, sz);
|
|
set_fs(oldfs);
|
|
closeFile(fp);
|
|
|
|
DBG_88E("%s writeFile, ret:%d\n",__FUNCTION__, ret);
|
|
|
|
} else {
|
|
DBG_88E("%s openFile path:%s Fail, ret:%d\n",__FUNCTION__, path, ret);
|
|
}
|
|
} else {
|
|
DBG_88E("%s NULL pointer\n",__FUNCTION__);
|
|
ret = -EINVAL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Test if the specifi @param path is a file and readable
|
|
* @param path the path of the file to test
|
|
* @return true or false
|
|
*/
|
|
int rtw_is_file_readable(char *path)
|
|
{
|
|
if (isFileReadable(path) == 0)
|
|
return true;
|
|
else
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
* Open the file with @param path and retrive the file content into memory starting from @param buf for @param sz at most
|
|
* @param path the path of the file to open and read
|
|
* @param buf the starting address of the buffer to store file content
|
|
* @param sz how many bytes to read at most
|
|
* @return the byte we've read
|
|
*/
|
|
int rtw_retrive_from_file(char *path, u8* buf, u32 sz)
|
|
{
|
|
int ret =retriveFromFile(path, buf, sz);
|
|
return ret>=0?ret:0;
|
|
}
|
|
|
|
/*
|
|
* Open the file with @param path and wirte @param sz byte of data starting from @param buf into the file
|
|
* @param path the path of the file to open and write
|
|
* @param buf the starting address of the data to write into file
|
|
* @param sz how many bytes to write at most
|
|
* @return the byte we've written
|
|
*/
|
|
int rtw_store_to_file(char *path, u8* buf, u32 sz)
|
|
{
|
|
int ret =storeToFile(path, buf, sz);
|
|
return ret>=0?ret:0;
|
|
}
|
|
|
|
struct net_device *rtw_alloc_etherdev_with_old_priv(int sizeof_priv, void *old_priv)
|
|
{
|
|
struct net_device *pnetdev;
|
|
struct rtw_netdev_priv_indicator *pnpi;
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
|
|
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
|
|
#else
|
|
pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
|
|
#endif
|
|
if (!pnetdev)
|
|
goto RETURN;
|
|
|
|
pnpi = netdev_priv(pnetdev);
|
|
pnpi->priv=old_priv;
|
|
pnpi->sizeof_priv=sizeof_priv;
|
|
|
|
RETURN:
|
|
return pnetdev;
|
|
}
|
|
|
|
struct net_device *rtw_alloc_etherdev(int sizeof_priv)
|
|
{
|
|
struct net_device *pnetdev;
|
|
struct rtw_netdev_priv_indicator *pnpi;
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
|
|
pnetdev = alloc_etherdev_mq(sizeof(struct rtw_netdev_priv_indicator), 4);
|
|
#else
|
|
pnetdev = alloc_etherdev(sizeof(struct rtw_netdev_priv_indicator));
|
|
#endif
|
|
if (!pnetdev)
|
|
goto RETURN;
|
|
|
|
pnpi = netdev_priv(pnetdev);
|
|
|
|
pnpi->priv = rtw_zvmalloc(sizeof_priv);
|
|
if (!pnpi->priv) {
|
|
free_netdev(pnetdev);
|
|
pnetdev = NULL;
|
|
goto RETURN;
|
|
}
|
|
|
|
pnpi->sizeof_priv=sizeof_priv;
|
|
RETURN:
|
|
return pnetdev;
|
|
}
|
|
|
|
void rtw_free_netdev(struct net_device * netdev)
|
|
{
|
|
struct rtw_netdev_priv_indicator *pnpi;
|
|
|
|
if (!netdev)
|
|
goto RETURN;
|
|
|
|
pnpi = netdev_priv(netdev);
|
|
|
|
if (!pnpi->priv)
|
|
goto RETURN;
|
|
|
|
rtw_vmfree(pnpi->priv, pnpi->sizeof_priv);
|
|
free_netdev(netdev);
|
|
|
|
RETURN:
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Jeff: this function should be called under ioctl (rtnl_lock is accquired) while
|
|
* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
|
|
*/
|
|
int rtw_change_ifname(struct adapter *padapter, const char *ifname)
|
|
{
|
|
struct net_device *pnetdev;
|
|
struct net_device *cur_pnetdev;
|
|
struct rereg_nd_name_data *rereg_priv;
|
|
int ret;
|
|
|
|
if (!padapter)
|
|
goto error;
|
|
|
|
cur_pnetdev = padapter->pnetdev;
|
|
rereg_priv = &padapter->rereg_nd_name_priv;
|
|
|
|
/* free the old_pnetdev */
|
|
if (rereg_priv->old_pnetdev) {
|
|
free_netdev(rereg_priv->old_pnetdev);
|
|
rereg_priv->old_pnetdev = NULL;
|
|
}
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
|
|
if (!rtnl_is_locked())
|
|
unregister_netdev(cur_pnetdev);
|
|
else
|
|
#endif
|
|
unregister_netdevice(cur_pnetdev);
|
|
|
|
rtw_proc_remove_one(cur_pnetdev);
|
|
|
|
rereg_priv->old_pnetdev=cur_pnetdev;
|
|
|
|
pnetdev = rtw_init_netdev(padapter);
|
|
if (!pnetdev) {
|
|
ret = -1;
|
|
goto error;
|
|
}
|
|
|
|
SET_NETDEV_DEV(pnetdev, dvobj_to_dev(adapter_to_dvobj(padapter)));
|
|
|
|
rtw_init_netdev_name(pnetdev, ifname);
|
|
|
|
memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN);
|
|
|
|
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,26))
|
|
if (!rtnl_is_locked())
|
|
ret = register_netdev(pnetdev);
|
|
else
|
|
#endif
|
|
ret = register_netdevice(pnetdev);
|
|
|
|
if ( ret != 0) {
|
|
RT_TRACE(_module_hci_intfs_c_,_drv_err_,("register_netdev() failed\n"));
|
|
goto error;
|
|
}
|
|
|
|
rtw_proc_init_one(pnetdev);
|
|
|
|
return 0;
|
|
|
|
error:
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
u64 rtw_modular64(u64 x, u64 y)
|
|
{
|
|
return do_div(x, y);
|
|
}
|
|
|
|
u64 rtw_division64(u64 x, u64 y)
|
|
{
|
|
do_div(x, y);
|
|
return x;
|
|
}
|
|
|
|
void rtw_buf_free(u8 **buf, u32 *buf_len)
|
|
{
|
|
u32 ori_len;
|
|
|
|
if (!buf || !buf_len)
|
|
return;
|
|
|
|
ori_len = *buf_len;
|
|
|
|
if (*buf) {
|
|
u32 tmp_buf_len = *buf_len;
|
|
*buf_len = 0;
|
|
rtw_mfree(*buf, tmp_buf_len);
|
|
*buf = NULL;
|
|
}
|
|
}
|
|
|
|
void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
|
|
{
|
|
u32 ori_len = 0, dup_len = 0;
|
|
u8 *ori = NULL;
|
|
u8 *dup = NULL;
|
|
|
|
if (!buf || !buf_len)
|
|
return;
|
|
|
|
if (!src || !src_len)
|
|
goto keep_ori;
|
|
|
|
/* duplicate src */
|
|
dup = rtw_malloc(src_len);
|
|
if (dup) {
|
|
dup_len = src_len;
|
|
memcpy(dup, src, dup_len);
|
|
}
|
|
|
|
keep_ori:
|
|
ori = *buf;
|
|
ori_len = *buf_len;
|
|
|
|
/* replace buf with dup */
|
|
*buf_len = 0;
|
|
*buf = dup;
|
|
*buf_len = dup_len;
|
|
|
|
/* free ori */
|
|
if (ori && ori_len > 0)
|
|
rtw_mfree(ori, ori_len);
|
|
}
|
|
|
|
|
|
/**
|
|
* rtw_cbuf_full - test if cbuf is full
|
|
* @cbuf: pointer of struct rtw_cbuf
|
|
*
|
|
* Returns: true if cbuf is full
|
|
*/
|
|
inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
|
|
{
|
|
return (cbuf->write == cbuf->read-1)? true : false;
|
|
}
|
|
|
|
/**
|
|
* rtw_cbuf_empty - test if cbuf is empty
|
|
* @cbuf: pointer of struct rtw_cbuf
|
|
*
|
|
* Returns: true if cbuf is empty
|
|
*/
|
|
inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
|
|
{
|
|
return (cbuf->write == cbuf->read)? true : false;
|
|
}
|
|
|
|
/**
|
|
* rtw_cbuf_push - push a pointer into cbuf
|
|
* @cbuf: pointer of struct rtw_cbuf
|
|
* @buf: pointer to push in
|
|
*
|
|
* Lock free operation, be careful of the use scheme
|
|
* Returns: true push success
|
|
*/
|
|
bool rtw_cbuf_push(struct rtw_cbuf *cbuf, void *buf)
|
|
{
|
|
if (rtw_cbuf_full(cbuf))
|
|
return _FAIL;
|
|
|
|
if (0)
|
|
DBG_88E("%s on %u\n", __func__, cbuf->write);
|
|
cbuf->bufs[cbuf->write] = buf;
|
|
cbuf->write = (cbuf->write+1)%cbuf->size;
|
|
|
|
return _SUCCESS;
|
|
}
|
|
|
|
/**
|
|
* rtw_cbuf_pop - pop a pointer from cbuf
|
|
* @cbuf: pointer of struct rtw_cbuf
|
|
*
|
|
* Lock free operation, be careful of the use scheme
|
|
* Returns: pointer popped out
|
|
*/
|
|
void *rtw_cbuf_pop(struct rtw_cbuf *cbuf)
|
|
{
|
|
void *buf;
|
|
if (rtw_cbuf_empty(cbuf))
|
|
return NULL;
|
|
|
|
if (0)
|
|
DBG_88E("%s on %u\n", __func__, cbuf->read);
|
|
buf = cbuf->bufs[cbuf->read];
|
|
cbuf->read = (cbuf->read+1)%cbuf->size;
|
|
|
|
return buf;
|
|
}
|
|
|
|
/**
|
|
* rtw_cbuf_alloc - allocte a rtw_cbuf with given size and do initialization
|
|
* @size: size of pointer
|
|
*
|
|
* Returns: pointer of srtuct rtw_cbuf, NULL for allocation failure
|
|
*/
|
|
struct rtw_cbuf *rtw_cbuf_alloc(u32 size)
|
|
{
|
|
struct rtw_cbuf *cbuf;
|
|
|
|
cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) + sizeof(void*)*size);
|
|
|
|
if (cbuf) {
|
|
cbuf->write = cbuf->read = 0;
|
|
cbuf->size = size;
|
|
}
|
|
|
|
return cbuf;
|
|
}
|
|
|
|
/**
|
|
* rtw_cbuf_free - free the given rtw_cbuf
|
|
* @cbuf: pointer of struct rtw_cbuf to free
|
|
*/
|
|
void rtw_cbuf_free(struct rtw_cbuf *cbuf)
|
|
{
|
|
rtw_mfree((u8*)cbuf, sizeof(*cbuf) + sizeof(void*)*cbuf->size);
|
|
}
|