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/rtl8188e/r88e.h>
55 #include <dev/rtwn/rtl8188e/r88e_rx_desc.h>
59 r88e_ratectl_tx_complete(struct rtwn_softc *sc, uint8_t *buf, int len)
61 #if __FreeBSD_version >= 1200012
62 struct ieee80211_ratectl_tx_status txs;
64 struct r88e_tx_rpt_ccx *rpt;
65 struct ieee80211_node *ni;
69 /* Skip Rx descriptor. */
70 buf += sizeof(struct r92c_rx_stat);
71 len -= sizeof(struct r92c_rx_stat);
73 rpt = (struct r88e_tx_rpt_ccx *)buf;
74 if (len != sizeof(*rpt)) {
75 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
76 "%s: wrong report size (%d, must be %zu)\n",
77 __func__, len, sizeof(*rpt));
81 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
82 "%s: ccx report dump: 0: %02X, 1: %02X, 2: %02X, queue time: "
83 "low %02X, high %02X, final ridx: %02X, 6: %02X, 7: %02X\n",
84 __func__, rpt->rptb0, rpt->rptb1, rpt->rptb2, rpt->queue_time_low,
85 rpt->queue_time_high, rpt->final_rate, rpt->rptb6, rpt->rptb7);
87 macid = MS(rpt->rptb1, R88E_RPTB1_MACID);
88 if (macid > sc->macid_limit) {
89 device_printf(sc->sc_dev,
90 "macid %u is too big; increase MACID_MAX limit\n",
95 ntries = MS(rpt->rptb2, R88E_RPTB2_RETRY_CNT);
97 ni = sc->node_list[macid];
99 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: frame for macid %u was"
100 "%s sent (%d retries)\n", __func__, macid,
101 (rpt->rptb1 & R88E_RPTB1_PKT_OK) ? "" : " not",
104 #if __FreeBSD_version >= 1200012
105 txs.flags = IEEE80211_RATECTL_STATUS_LONG_RETRY |
106 IEEE80211_RATECTL_STATUS_FINAL_RATE;
107 txs.long_retries = ntries;
108 if (rpt->final_rate > RTWN_RIDX_OFDM54) { /* MCS */
110 (rpt->final_rate - 12) | IEEE80211_RATE_MCS;
112 txs.final_rate = ridx2rate[rpt->final_rate];
113 if (rpt->rptb1 & R88E_RPTB1_PKT_OK)
114 txs.status = IEEE80211_RATECTL_TX_SUCCESS;
115 else if (rpt->rptb2 & R88E_RPTB2_RETRY_OVER)
116 txs.status = IEEE80211_RATECTL_TX_FAIL_LONG;
117 else if (rpt->rptb2 & R88E_RPTB2_LIFE_EXPIRE)
118 txs.status = IEEE80211_RATECTL_TX_FAIL_EXPIRED;
120 txs.status = IEEE80211_RATECTL_TX_FAIL_UNSPECIFIED;
121 ieee80211_ratectl_tx_complete(ni, &txs);
123 struct ieee80211vap *vap = ni->ni_vap;
124 if (rpt->rptb1 & R88E_RPTB1_PKT_OK) {
125 ieee80211_ratectl_tx_complete(vap, ni,
126 IEEE80211_RATECTL_TX_SUCCESS, &ntries, NULL);
128 ieee80211_ratectl_tx_complete(vap, ni,
129 IEEE80211_RATECTL_TX_FAILURE, &ntries, NULL);
133 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: macid %u, ni is NULL\n",
139 r88e_handle_c2h_report(struct rtwn_softc *sc, uint8_t *buf, int len)
142 /* Skip Rx descriptor. */
143 buf += sizeof(struct r92c_rx_stat);
144 len -= sizeof(struct r92c_rx_stat);
146 if (len != R88E_INTR_MSG_LEN) {
147 RTWN_DPRINTF(sc, RTWN_DEBUG_INTR,
148 "%s: wrong interrupt message size (%d, must be %d)\n",
149 __func__, len, R88E_INTR_MSG_LEN);
157 r88e_get_rssi_cck(struct rtwn_softc *sc, void *physt)
159 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
160 int8_t lna_idx, vga_idx, rssi;
162 lna_idx = (phy->agc_rpt & 0xe0) >> 5;
163 vga_idx = (phy->agc_rpt & 0x1f);
164 rssi = 6 - 2 * vga_idx;
171 rssi += -100 + 2 * 27;
187 if (sc->sc_flags & RTWN_FLAG_CCK_HIPWR)
202 r88e_get_rssi_ofdm(struct rtwn_softc *sc, void *physt)
204 struct r88e_rx_phystat *phy = (struct r88e_rx_phystat *)physt;
207 /* Get average RSSI. */
208 rssi = ((phy->sig_qual >> 1) & 0x7f) - 110;