/*
* Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/etherdevice.h>
#include <net/ieee80211_radiotap.h>
#include <linux/if_arp.h>
#include <linux/moduleparam.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <net/ipv6.h>
#include <linux/prefetch.h>
#include "wil6210.h"
#include "wmi.h"
#include "txrx.h"
#include "trace.h"
static bool rtap_include_phy_info;
module_param(rtap_include_phy_info, bool, S_IRUGO);
MODULE_PARM_DESC(rtap_include_phy_info,
" Include PHY info in the radiotap header, default - no");
bool rx_align_2;
module_param(rx_align_2, bool, S_IRUGO);
MODULE_PARM_DESC(rx_align_2, " align Rx buffers on 4*n+2, default - no");
static inline uint wil_rx_snaplen(void)
{
return rx_align_2 ? 6 : 0;
}
static inline int wil_vring_is_empty(struct vring *vring)
{
return vring->swhead == vring->swtail;
}
static inline u32 wil_vring_next_tail(struct vring *vrin