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#include <machine/rtems-bsd-kernel-space.h>
/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
/*-
* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
* Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
* Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org>
*
* Permission to use, copy, modify, and 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <rtems/bsd/local/opt_wlan.h>
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/mbuf.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/taskqueue.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/linker.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <net/if_media.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_ratectl.h>
#include <dev/rtwn/if_rtwnreg.h>
#include <dev/rtwn/if_rtwnvar.h>
#include <dev/rtwn/if_rtwn_debug.h>
#include <dev/rtwn/if_rtwn_ridx.h>
#include <dev/rtwn/rtl8192c/r92c.h>
#include <dev/rtwn/rtl8188e/r88e.h>
#include <dev/rtwn/rtl8188e/r88e_rx_desc.h>
void
r88e_ratectl_tx_complete(struct rtwn_softc *sc, uint8_t *buf, int len)
{
#if __FreeBSD_version >= 1200012
struct ieee80211_ratectl_tx_status txs;
#endif
struct r88e_tx_rpt_ccx *rpt;
struct ieee80211_node *ni;
uint8_t macid;
int ntries;
/* Skip Rx descriptor. */
buf += sizeof(struct r92c_rx_stat);
len -= sizeof(struct r92c_rx_stat);
rpt = (struct r88e_tx_rpt_ccx *)buf;
if (len != sizeof(*rpt)) {
RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
"%s: wrong report size (%d, must be %zu)\n",
__func__, len, sizeof(*rpt));
return;
}
RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
"%s: ccx report dump: 0: %02X, 1: %02X, 2: %02X, queue time: "
"low %02X, high %02X, final ridx: %02X, 6: %02X, 7: %02X\n",
__func__, rpt->rptb0, rpt->rptb1, rpt->rptb2, rpt->queue_time_low,
rpt->queue_time_high, rpt->final_rate, rpt->rptb6, rpt->rptb7);
macid = MS(rpt->rptb1, R88E_RPTB1_MACID);
if (macid > sc->macid_limit) {
device_printf(sc->sc_dev,
"macid %u is too big; increase MACID_MAX limit\n",
macid);
return;
}
ntries = MS(rpt->rptb2, R88E_RPTB2_RETRY_CNT);
ni = sc->node_list[macid];
if (ni != NULL) {
RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: frame for macid %u was"
"%s sent (%d retries)\n", __func__, macid,
(rpt->rptb1 & R88E_RPTB1_PKT_OK) ? "" : " not",
ntries);
#if __FreeBSD_version >= 1200012
txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY |
IEEE80211_RATECTL_STATUS_FINAL_RATE;
txs.long_retries = ntries;
if (rpt->final_rate > RTWN_RIDX_OFDM54) { /* MCS */
txs.final_rate =
(rpt->final_rate - 12) | IEEE80211_RATE_MCS;
} else
txs.final_rate = ridx2rate[rpt->final_rate];
if (rpt->rptb1 & R88E_RPTB1_PKT_OK)
txs.status = IEEE80211_RATECTL_TX_SUCCESS;
else if (rpt->rptb2 & R88E_RPTB2_RETRY_OVER)
txs.status = IEEE80211_RATECTL_TX_FAIL_LONG;
else if (rpt->rptb2 & R88E_RPTB2_LIFE_EXPIRE)
txs.status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
else
txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
ieee80211_ratectl_tx_complete(ni, &txs);
#else
struct ieee80211vap *vap = ni->ni_vap;
if (rpt->rptb1 & R88E_RPTB1_PKT_OK) {
ieee80211_ratectl_tx_complete(vap, ni,
IEEE80211_RATECTL_TX_SUCCESS, &ntries, NULL);
} else {
ieee80211_ratectl_tx_complete(vap, ni,
IEEE80211_RATECTL_TX_FAILURE, &ntries, NULL);
}
#endif
} else {
RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: macid %u, ni is NULL\n",
__func__, macid);
}
}
void
r88e_handle_c2h_report(struct rtwn_softc *sc, uint8_t *buf, int len)
{
/* Skip Rx descriptor. */
buf += sizeof(struct r92c_rx_stat);
len -= sizeof(struct r92c_rx_stat);
if (len != R88E_INTR_MSG_LEN) {
RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
"%s: wrong interrupt message size (%d, must be %d)\n",
__func__, len, R88E_INTR_MSG_LEN);
return;
}
/* XXX TODO */
}
int8_t
r88e_get_rssi_cck(struct rtwn_softc *sc, void *physt)
{
struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
int8_t lna_idx, vga_idx, rssi;
lna_idx = (phy->agc_rpt & 0xe0) >> 5;
vga_idx = (phy->agc_rpt & 0x1f);
rssi = 6 - 2 * vga_idx;
switch (lna_idx) {
case 7:
if (vga_idx > 27)
rssi = -100 + 6;
else
rssi += -100 + 2 * 27;
break;
case 6:
rssi += -48 + 2 * 2;
break;
case 5:
rssi += -42 + 2 * 7;
break;
case 4:
rssi += -36 + 2 * 7;
break;
case 3:
rssi += -24 + 2 * 7;
break;
case 2:
rssi += -6 + 2 * 5;
if (sc->sc_flags & RTWN_FLAG_CCK_HIPWR)
rssi -= 6;
break;
case 1:
rssi += 8;
break;
case 0:
rssi += 14;
break;
}
return (rssi);
}
int8_t
r88e_get_rssi_ofdm(struct rtwn_softc *sc, void *physt)
{
struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
int rssi;
/* Get average RSSI. */
rssi = ((phy->sig_qual >> 1) & 0x7f) - 110;
return (rssi);
}
void
r88e_get_rx_stats(struct rtwn_softc *sc, struct ieee80211_rx_stats *rxs,
const void *desc, const void *physt_ptr)
{
const struct r88e_rx_phystat *physt = physt_ptr;
r92c_get_rx_stats(sc, rxs, desc, physt_ptr);
if (!sc->sc_ht40) { /* XXX center channel */
rxs->r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
rxs->c_ieee = le16toh(physt->chan);
rxs->c_freq = ieee80211_ieee2mhz(rxs->c_ieee,
IEEE80211_CHAN_2GHZ);
}
}
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