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_classify_intr(struct rtwn_softc *sc, void *buf, int len)
62 struct r92c_rx_stat *stat = buf;
63 int report_sel = MS(le32toh(stat->rxdw3), R88E_RXDW3_RPT);
66 case R88E_RXDW3_RPT_RX:
67 return (RTWN_RX_DATA);
68 case R88E_RXDW3_RPT_TX1: /* per-packet Tx report */
69 case R88E_RXDW3_RPT_TX2: /* periodical Tx report */
70 return (RTWN_RX_TX_REPORT);
71 case R88E_RXDW3_RPT_HIS:
72 return (RTWN_RX_OTHER);
73 default: /* shut up the compiler */
74 return (RTWN_RX_DATA);
79 r88e_ratectl_tx_complete(struct rtwn_softc *sc, uint8_t *buf, int len)
81 #if __FreeBSD_version >= 1200012
82 struct ieee80211_ratectl_tx_status txs;
84 struct r88e_tx_rpt_ccx *rpt;
85 struct ieee80211_node *ni;
89 /* Skip Rx descriptor. */
90 buf += sizeof(struct r92c_rx_stat);
91 len -= sizeof(struct r92c_rx_stat);
93 rpt = (struct r88e_tx_rpt_ccx *)buf;
94 if (len != sizeof(*rpt)) {
95 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
96 "%s: wrong report size (%d, must be %zu)\n",
97 __func__, len, sizeof(*rpt));
101 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
102 "%s: ccx report dump: 0: %02X, 1: %02X, 2: %02X, queue time: "
103 "low %02X, high %02X, final ridx: %02X, 6: %02X, 7: %02X\n",
104 __func__, rpt->rptb0, rpt->rptb1, rpt->rptb2, rpt->queue_time_low,
105 rpt->queue_time_high, rpt->final_rate, rpt->rptb6, rpt->rptb7);
107 macid = MS(rpt->rptb1, R88E_RPTB1_MACID);
108 if (macid > sc->macid_limit) {
109 device_printf(sc->sc_dev,
110 "macid %u is too big; increase MACID_MAX limit\n",
115 ntries = MS(rpt->rptb2, R88E_RPTB2_RETRY_CNT);
117 ni = sc->node_list[macid];
119 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: frame for macid %u was"
120 "%s sent (%d retries)\n", __func__, macid,
121 (rpt->rptb1 & R88E_RPTB1_PKT_OK) ? "" : " not",
124 #if __FreeBSD_version >= 1200012
125 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY |
126 IEEE80211_RATECTL_STATUS_FINAL_RATE;
127 txs.long_retries = ntries;
128 if (rpt->final_rate > RTWN_RIDX_OFDM54) { /* MCS */
130 rpt->final_rate - RTWN_RIDX_HT_MCS_SHIFT;
131 txs.final_rate |= IEEE80211_RATE_MCS;
133 txs.final_rate = ridx2rate[rpt->final_rate];
134 if (rpt->rptb1 & R88E_RPTB1_PKT_OK)
135 txs.status = IEEE80211_RATECTL_TX_SUCCESS;
136 else if (rpt->rptb2 & R88E_RPTB2_RETRY_OVER)
137 txs.status = IEEE80211_RATECTL_TX_FAIL_LONG;
138 else if (rpt->rptb2 & R88E_RPTB2_LIFE_EXPIRE)
139 txs.status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
141 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
142 ieee80211_ratectl_tx_complete(ni, &txs);
144 struct ieee80211vap *vap = ni->ni_vap;
145 if (rpt->rptb1 & R88E_RPTB1_PKT_OK) {
146 ieee80211_ratectl_tx_complete(vap, ni,
147 IEEE80211_RATECTL_TX_SUCCESS, &ntries, NULL);
149 ieee80211_ratectl_tx_complete(vap, ni,
150 IEEE80211_RATECTL_TX_FAILURE, &ntries, NULL);
154 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: macid %u, ni is NULL\n",
160 r88e_handle_c2h_report(struct rtwn_softc *sc, uint8_t *buf, int len)
163 /* Skip Rx descriptor. */
164 buf += sizeof(struct r92c_rx_stat);
165 len -= sizeof(struct r92c_rx_stat);
167 if (len != R88E_INTR_MSG_LEN) {
168 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
169 "%s: wrong interrupt message size (%d, must be %d)\n",
170 __func__, len, R88E_INTR_MSG_LEN);
178 r88e_get_rssi_cck(struct rtwn_softc *sc, void *physt)
180 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
181 int8_t lna_idx, vga_idx, rssi;
183 lna_idx = (phy->agc_rpt & 0xe0) >> 5;
184 vga_idx = (phy->agc_rpt & 0x1f);
185 rssi = 6 - 2 * vga_idx;
192 rssi += -100 + 2 * 27;
208 if (sc->sc_flags & RTWN_FLAG_CCK_HIPWR)
223 r88e_get_rssi_ofdm(struct rtwn_softc *sc, void *physt)
225 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
228 /* Get average RSSI. */
229 rssi = ((phy->sig_qual >> 1) & 0x7f) - 110;
235 r88e_get_rx_stats(struct rtwn_softc *sc, struct ieee80211_rx_stats *rxs,
236 const void *desc, const void *physt_ptr)
238 const struct r88e_rx_phystat *physt = physt_ptr;
240 r92c_get_rx_stats(sc, rxs, desc, physt_ptr);
242 if (!sc->sc_ht40) { /* XXX center channel */
243 rxs->r_flags |= IEEE80211_R_IEEE | IEEE80211_R_FREQ;
244 rxs->c_ieee = physt->chan;
245 rxs->c_freq = ieee80211_ieee2mhz(rxs->c_ieee,
246 IEEE80211_CHAN_2GHZ);