1 /* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
5 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
6 * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org>
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
26 #include <sys/param.h>
28 #include <sys/mutex.h>
30 #include <sys/kernel.h>
31 #include <sys/socket.h>
32 #include <sys/systm.h>
33 #include <sys/malloc.h>
34 #include <sys/queue.h>
35 #include <sys/taskqueue.h>
37 #include <sys/endian.h>
38 #include <sys/linker.h>
41 #include <net/ethernet.h>
42 #include <net/if_media.h>
44 #include <net80211/ieee80211_var.h>
45 #include <net80211/ieee80211_radiotap.h>
46 #include <net80211/ieee80211_ratectl.h>
48 #include <dev/rtwn/if_rtwnreg.h>
49 #include <dev/rtwn/if_rtwnvar.h>
51 #include <dev/rtwn/if_rtwn_debug.h>
52 #include <dev/rtwn/if_rtwn_ridx.h>
54 #include <dev/rtwn/rtl8192c/r92c.h>
55 #include <dev/rtwn/rtl8188e/r88e.h>
56 #include <dev/rtwn/rtl8188e/r88e_rx_desc.h>
60 r88e_ratectl_tx_complete(struct rtwn_softc *sc, uint8_t *buf, int len)
62 #if __FreeBSD_version >= 1200012
63 struct ieee80211_ratectl_tx_status txs;
65 struct r88e_tx_rpt_ccx *rpt;
66 struct ieee80211_node *ni;
70 /* Skip Rx descriptor. */
71 buf += sizeof(struct r92c_rx_stat);
72 len -= sizeof(struct r92c_rx_stat);
74 rpt = (struct r88e_tx_rpt_ccx *)buf;
75 if (len != sizeof(*rpt)) {
76 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
77 "%s: wrong report size (%d, must be %zu)\n",
78 __func__, len, sizeof(*rpt));
82 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
83 "%s: ccx report dump: 0: %02X, 1: %02X, 2: %02X, queue time: "
84 "low %02X, high %02X, final ridx: %02X, 6: %02X, 7: %02X\n",
85 __func__, rpt->rptb0, rpt->rptb1, rpt->rptb2, rpt->queue_time_low,
86 rpt->queue_time_high, rpt->final_rate, rpt->rptb6, rpt->rptb7);
88 macid = MS(rpt->rptb1, R88E_RPTB1_MACID);
89 if (macid > sc->macid_limit) {
90 device_printf(sc->sc_dev,
91 "macid %u is too big; increase MACID_MAX limit\n",
96 ntries = MS(rpt->rptb2, R88E_RPTB2_RETRY_CNT);
98 ni = sc->node_list[macid];
100 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: frame for macid %u was"
101 "%s sent (%d retries)\n", __func__, macid,
102 (rpt->rptb1 & R88E_RPTB1_PKT_OK) ? "" : " not",
105 #if __FreeBSD_version >= 1200012
106 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY |
107 IEEE80211_RATECTL_STATUS_FINAL_RATE;
108 txs.long_retries = ntries;
109 if (rpt->final_rate > RTWN_RIDX_OFDM54) { /* MCS */
111 rpt->final_rate - RTWN_RIDX_HT_MCS_SHIFT;
112 txs.final_rate |= IEEE80211_RATE_MCS;
114 txs.final_rate = ridx2rate[rpt->final_rate];
115 if (rpt->rptb1 & R88E_RPTB1_PKT_OK)
116 txs.status = IEEE80211_RATECTL_TX_SUCCESS;
117 else if (rpt->rptb2 & R88E_RPTB2_RETRY_OVER)
118 txs.status = IEEE80211_RATECTL_TX_FAIL_LONG;
119 else if (rpt->rptb2 & R88E_RPTB2_LIFE_EXPIRE)
120 txs.status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
122 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
123 ieee80211_ratectl_tx_complete(ni, &txs);
125 struct ieee80211vap *vap = ni->ni_vap;
126 if (rpt->rptb1 & R88E_RPTB1_PKT_OK) {
127 ieee80211_ratectl_tx_complete(vap, ni,
128 IEEE80211_RATECTL_TX_SUCCESS, &ntries, NULL);
130 ieee80211_ratectl_tx_complete(vap, ni,
131 IEEE80211_RATECTL_TX_FAILURE, &ntries, NULL);
135 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: macid %u, ni is NULL\n",
141 r88e_handle_c2h_report(struct rtwn_softc *sc, uint8_t *buf, int len)
144 /* Skip Rx descriptor. */
145 buf += sizeof(struct r92c_rx_stat);
146 len -= sizeof(struct r92c_rx_stat);
148 if (len != R88E_INTR_MSG_LEN) {
149 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
150 "%s: wrong interrupt message size (%d, must be %d)\n",
151 __func__, len, R88E_INTR_MSG_LEN);
159 r88e_get_rssi_cck(struct rtwn_softc *sc, void *physt)
161 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
162 int8_t lna_idx, vga_idx, rssi;
164 lna_idx = (phy->agc_rpt & 0xe0) >> 5;
165 vga_idx = (phy->agc_rpt & 0x1f);
166 rssi = 6 - 2 * vga_idx;
173 rssi += -100 + 2 * 27;
189 if (sc->sc_flags & RTWN_FLAG_CCK_HIPWR)
204 r88e_get_rssi_ofdm(struct rtwn_softc *sc, void *physt)
206 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
209 /* Get average RSSI. */
210 rssi = ((phy->sig_qual >> 1) & 0x7f) - 110;
216 r88e_get_rx_stats(struct rtwn_softc *sc, struct ieee80211_rx_stats *rxs,
217 const void *desc, const void *physt_ptr)
219 const struct r88e_rx_phystat *physt = physt_ptr;
221 r92c_get_rx_stats(sc, rxs, desc, physt_ptr);
223 if (!sc->sc_ht40) { /* XXX center channel */
224 rxs->r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
225 rxs->c_ieee = physt->chan;
226 rxs->c_freq = ieee80211_ieee2mhz(rxs->c_ieee,
227 IEEE80211_CHAN_2GHZ);