r12au_rx.c

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD$");
   29 
   30 #include "opt_wlan.h"
   31 
   32 #include <sys/param.h>
   33 #include <sys/lock.h>
   34 #include <sys/mutex.h>
   35 #include <sys/mbuf.h>
   36 #include <sys/kernel.h>
   37 #include <sys/socket.h>
   38 #include <sys/systm.h>
   39 #include <sys/malloc.h>
   40 #include <sys/queue.h>
   41 #include <sys/taskqueue.h>
   42 #include <sys/bus.h>
   43 #include <sys/endian.h>
   44 #include <sys/linker.h>
   45 
   46 #include <net/if.h>
   47 #include <net/ethernet.h>
   48 #include <net/if_media.h>
   49 
   50 #include <net80211/ieee80211_var.h>
   51 #include <net80211/ieee80211_radiotap.h>
   52 #include <net80211/ieee80211_ratectl.h>
   53 
   54 #include <dev/rtwn/if_rtwnvar.h>
   55 
   56 #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
   57 #include <dev/rtwn/rtl8812a/r12a_rx_desc.h>
   58 
   59 #include <dev/rtwn/rtl8812a/usb/r12au.h>
   60 
   61 int
   62 r12au_classify_intr(struct rtwn_softc *sc, void *buf, int len)
   63 {
   64         struct r92c_rx_stat *stat = buf;
   65         uint32_t rxdw2 = le32toh(stat->rxdw2);
   66 
   67         if (rxdw2 & R12A_RXDW2_RPT_C2H) {
   68                 int pos = sizeof(struct r92c_rx_stat);
   69                 /* Check if Rx descriptor + command id/sequence fits. */
   70                 if (len < pos + 2)      /* unknown, skip */
   71                         return (RTWN_RX_DATA);
   72 
   73                 if (((uint8_t *)buf)[pos] == R12A_C2H_TX_REPORT)
   74                         return (RTWN_RX_TX_REPORT);
   75                 else
   76                         return (RTWN_RX_OTHER);
   77         } else
   78                 return (RTWN_RX_DATA);
   79 }
   80 
   81 int
   82 r12au_align_rx(int totlen, int len)
   83 {
   84         if (totlen < len)
   85                 return (roundup2(totlen, 8));
   86 
   87         return (totlen);
   88 }

Cache object: 88fe970471cb079efaa49184c1795ebf

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/dev/rtwn/rtl8812a/usb/r12au_rx.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/rtwn/rtl8812a/usb/r12au_rx.c