linux - Contrib clone of linux

Age	Commit message (Expand)	Author
2017-02-24	lib: add module support to crc32 tests	Geert Uytterhoeven

// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * xmit_linux.c * * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. * Linux device driver for RTL8192SU * * Modifications for inclusion into the Linux staging tree are * Copyright(c) 2010 Larry Finger. All rights reserved. * * Contact information: * WLAN FAE <wlanfae@realtek.com> * Larry Finger <Larry.Finger@lwfinger.net> * ******************************************************************************/ #define _XMIT_OSDEP_C_ #include <linux/usb.h> #include <linux/ip.h> #include <linux/if_ether.h> #include <linux/kmemleak.h> #include "osdep_service.h" #include "drv_types.h" #include "wifi.h" #include "mlme_osdep.h" #include "xmit_osdep.h" #include "osdep_intf.h" static uint remainder_len(struct pkt_file *pfile) { return (uint)(pfile->buf_len - ((addr_t)(pfile->cur_addr) - (addr_t)(pfile->buf_start))); } void _r8712_open_pktfile(_pkt *pktptr, struct pkt_file *pfile) { pfile->pkt = pktptr; pfile->cur_addr = pfile->buf_start = pktptr->data; pfile->pkt_len = pfile->buf_len = pktptr->len; pfile->cur_buffer = pfile->buf_start; } uint _r8712_pktfile_read(struct pkt_file *pfile, u8 *rmem, uint rlen) { uint len; len = remainder_len(pfile); len = (rlen > len) ? len : rlen; if (rmem) skb_copy_bits(pfile->pkt, pfile->buf_len - pfile->pkt_len, rmem, len); pfile->cur_addr += len; pfile->pkt_len -= len; return len; } sint r8712_endofpktfile(struct pkt_file *pfile) { return (pfile->pkt_len == 0); } void r8712_set_qos(struct pkt_file *ppktfile, struct pkt_attrib *pattrib) { struct ethhdr etherhdr; struct iphdr ip_hdr; u16 UserPriority = 0; _r8712_open_pktfile(ppktfile->pkt, ppktfile); _r8712_pktfile_read(ppktfile, (unsigned char *)&etherhdr, ETH_HLEN); /* get UserPriority from IP hdr*/ if (pattrib->ether_type == 0x0800) { _r8712_pktfile_read(ppktfile, (u8 *)&ip_hdr, sizeof(ip_hdr)); /*UserPriority = (ntohs(ip_hdr.tos) >> 5) & 0x3 ;*/ UserPriority = ip_hdr.tos >> 5; } else { /* "When priority processing of data frames is supported, * a STA's SME should send EAPOL-Key frames at the highest * priority." */ if (pattrib->ether_type == 0x888e) UserPriority = 7; } pattrib->priority = UserPriority; pattrib->hdrlen = WLAN_HDR_A3_QOS_LEN; pattrib->subtype = WIFI_QOS_DATA_TYPE; } void r8712_SetFilter(struct work_struct *work) { struct _adapter *padapter = container_of(work, struct _adapter, wkFilterRxFF0); u8 oldvalue = 0x00, newvalue = 0x00; unsigned long irqL; oldvalue = r8712_read8(padapter, 0x117); newvalue = oldvalue & 0xfe; r8712_write8(padapter, 0x117, newvalue); spin_lock_irqsave(&padapter->lockRxFF0Filter, irqL); padapter->blnEnableRxFF0Filter = 1; spin_unlock_irqrestore(&padapter->lockRxFF0Filter, irqL); do { msleep(100); } while (padapter->blnEnableRxFF0Filter == 1); r8712_write8(padapter, 0x117, oldvalue); } int r8712_xmit_resource_alloc(struct _adapter *padapter, struct xmit_buf *pxmitbuf) { int i; for (i = 0; i < 8; i++) { pxmitbuf->pxmit_urb[i] = usb_alloc_urb(0, GFP_KERNEL); if (!pxmitbuf->pxmit_urb[i]) { netdev_err(padapter->pnetdev, "pxmitbuf->pxmit_urb[i] == NULL\n"); return _FAIL; } kmemleak_not_leak(pxmitbuf->pxmit_urb[i]); } return _SUCCESS; } void r8712_xmit_resource_free(struct _adapter *padapter, struct xmit_buf *pxmitbuf) { int i; for (i = 0; i < 8; i++) { if (pxmitbuf->pxmit_urb[i]) { usb_kill_urb(pxmitbuf->pxmit_urb[i]); usb_free_urb(pxmitbuf->pxmit_urb[i]); } } } void r8712_xmit_complete(struct _adapter *padapter, struct xmit_frame *pxframe) { if (pxframe->pkt) dev_kfree_skb_any(pxframe->pkt); pxframe->pkt = NULL; } int r8712_xmit_entry(_pkt *pkt, struct net_device *pnetdev) { struct xmit_frame *pxmitframe = NULL; struct _adapter *padapter = netdev_priv(pnetdev); struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); if (!r8712_if_up(padapter)) goto _xmit_entry_drop; pxmitframe = r8712_alloc_xmitframe(pxmitpriv); if (!pxmitframe) goto _xmit_entry_drop; if ((!r8712_update_attrib(padapter, pkt, &pxmitframe->attrib))) goto _xmit_entry_drop; padapter->ledpriv.LedControlHandler(padapter, LED_CTL_TX); pxmitframe->pkt = pkt; if (r8712_pre_xmit(padapter, pxmitframe)) { /*dump xmitframe directly or drop xframe*/ dev_kfree_skb_any(pkt); pxmitframe->pkt = NULL; } pxmitpriv->tx_pkts++; pxmitpriv->tx_bytes += pxmitframe->attrib.last_txcmdsz; return 0; _xmit_entry_drop: if (pxmitframe) r8712_free_xmitframe(pxmitpriv, pxmitframe); pxmitpriv->tx_drop++; dev_kfree_skb_any(pkt); return 0; }