rt2560.c revision 1.3.4.7
1 1.3.4.7 yamt /* $NetBSD: rt2560.c,v 1.3.4.7 2008/03/24 09:38:50 yamt Exp $ */ 2 1.3.4.2 yamt /* $OpenBSD: rt2560.c,v 1.15 2006/04/20 20:31:12 miod Exp $ */ 3 1.3.4.2 yamt /* $FreeBSD: rt2560.c,v 1.3 2006/03/21 21:15:43 damien Exp $*/ 4 1.3.4.2 yamt 5 1.3.4.2 yamt /*- 6 1.3.4.2 yamt * Copyright (c) 2005, 2006 7 1.3.4.2 yamt * Damien Bergamini <damien.bergamini (at) free.fr> 8 1.3.4.2 yamt * 9 1.3.4.2 yamt * Permission to use, copy, modify, and distribute this software for any 10 1.3.4.2 yamt * purpose with or without fee is hereby granted, provided that the above 11 1.3.4.2 yamt * copyright notice and this permission notice appear in all copies. 12 1.3.4.2 yamt * 13 1.3.4.2 yamt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 1.3.4.2 yamt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 1.3.4.2 yamt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 1.3.4.2 yamt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 1.3.4.2 yamt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 1.3.4.2 yamt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 1.3.4.2 yamt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 1.3.4.2 yamt */ 21 1.3.4.2 yamt 22 1.3.4.2 yamt /*- 23 1.3.4.2 yamt * Ralink Technology RT2560 chipset driver 24 1.3.4.2 yamt * http://www.ralinktech.com/ 25 1.3.4.2 yamt */ 26 1.3.4.2 yamt #include <sys/cdefs.h> 27 1.3.4.7 yamt __KERNEL_RCSID(0, "$NetBSD: rt2560.c,v 1.3.4.7 2008/03/24 09:38:50 yamt Exp $"); 28 1.3.4.2 yamt 29 1.3.4.2 yamt #include "bpfilter.h" 30 1.3.4.2 yamt 31 1.3.4.2 yamt #include <sys/param.h> 32 1.3.4.2 yamt #include <sys/sockio.h> 33 1.3.4.2 yamt #include <sys/mbuf.h> 34 1.3.4.2 yamt #include <sys/kernel.h> 35 1.3.4.2 yamt #include <sys/socket.h> 36 1.3.4.2 yamt #include <sys/systm.h> 37 1.3.4.2 yamt #include <sys/malloc.h> 38 1.3.4.2 yamt #include <sys/callout.h> 39 1.3.4.2 yamt #include <sys/conf.h> 40 1.3.4.2 yamt #include <sys/device.h> 41 1.3.4.2 yamt 42 1.3.4.5 yamt #include <sys/bus.h> 43 1.3.4.2 yamt #include <machine/endian.h> 44 1.3.4.5 yamt #include <sys/intr.h> 45 1.3.4.2 yamt 46 1.3.4.2 yamt #if NBPFILTER > 0 47 1.3.4.2 yamt #include <net/bpf.h> 48 1.3.4.2 yamt #endif 49 1.3.4.2 yamt #include <net/if.h> 50 1.3.4.2 yamt #include <net/if_arp.h> 51 1.3.4.2 yamt #include <net/if_dl.h> 52 1.3.4.2 yamt #include <net/if_media.h> 53 1.3.4.2 yamt #include <net/if_types.h> 54 1.3.4.2 yamt #include <net/if_ether.h> 55 1.3.4.2 yamt 56 1.3.4.2 yamt #include <netinet/in.h> 57 1.3.4.2 yamt #include <netinet/in_systm.h> 58 1.3.4.2 yamt #include <netinet/in_var.h> 59 1.3.4.2 yamt #include <netinet/ip.h> 60 1.3.4.2 yamt 61 1.3.4.2 yamt #include <net80211/ieee80211_var.h> 62 1.3.4.2 yamt #include <net80211/ieee80211_rssadapt.h> 63 1.3.4.2 yamt #include <net80211/ieee80211_radiotap.h> 64 1.3.4.2 yamt 65 1.3.4.2 yamt #include <dev/ic/rt2560reg.h> 66 1.3.4.2 yamt #include <dev/ic/rt2560var.h> 67 1.3.4.2 yamt 68 1.3.4.2 yamt #include <dev/pci/pcireg.h> 69 1.3.4.2 yamt #include <dev/pci/pcivar.h> 70 1.3.4.2 yamt #include <dev/pci/pcidevs.h> 71 1.3.4.2 yamt 72 1.3.4.2 yamt #ifdef RAL_DEBUG 73 1.3.4.2 yamt #define DPRINTF(x) do { if (rt2560_debug > 0) printf x; } while (0) 74 1.3.4.2 yamt #define DPRINTFN(n, x) do { if (rt2560_debug >= (n)) printf x; } while (0) 75 1.3.4.2 yamt int rt2560_debug = 0; 76 1.3.4.2 yamt #else 77 1.3.4.2 yamt #define DPRINTF(x) 78 1.3.4.2 yamt #define DPRINTFN(n, x) 79 1.3.4.2 yamt #endif 80 1.3.4.2 yamt 81 1.3.4.2 yamt static int rt2560_alloc_tx_ring(struct rt2560_softc *, 82 1.3.4.2 yamt struct rt2560_tx_ring *, int); 83 1.3.4.2 yamt static void rt2560_reset_tx_ring(struct rt2560_softc *, 84 1.3.4.2 yamt struct rt2560_tx_ring *); 85 1.3.4.2 yamt static void rt2560_free_tx_ring(struct rt2560_softc *, 86 1.3.4.2 yamt struct rt2560_tx_ring *); 87 1.3.4.2 yamt static int rt2560_alloc_rx_ring(struct rt2560_softc *, 88 1.3.4.2 yamt struct rt2560_rx_ring *, int); 89 1.3.4.2 yamt static void rt2560_reset_rx_ring(struct rt2560_softc *, 90 1.3.4.2 yamt struct rt2560_rx_ring *); 91 1.3.4.2 yamt static void rt2560_free_rx_ring(struct rt2560_softc *, 92 1.3.4.2 yamt struct rt2560_rx_ring *); 93 1.3.4.2 yamt static struct ieee80211_node * 94 1.3.4.2 yamt rt2560_node_alloc(struct ieee80211_node_table *); 95 1.3.4.2 yamt static int rt2560_media_change(struct ifnet *); 96 1.3.4.2 yamt static void rt2560_next_scan(void *); 97 1.3.4.2 yamt static void rt2560_iter_func(void *, struct ieee80211_node *); 98 1.3.4.2 yamt static void rt2560_update_rssadapt(void *); 99 1.3.4.2 yamt static int rt2560_newstate(struct ieee80211com *, enum ieee80211_state, 100 1.3.4.2 yamt int); 101 1.3.4.2 yamt static uint16_t rt2560_eeprom_read(struct rt2560_softc *, uint8_t); 102 1.3.4.2 yamt static void rt2560_encryption_intr(struct rt2560_softc *); 103 1.3.4.2 yamt static void rt2560_tx_intr(struct rt2560_softc *); 104 1.3.4.2 yamt static void rt2560_prio_intr(struct rt2560_softc *); 105 1.3.4.2 yamt static void rt2560_decryption_intr(struct rt2560_softc *); 106 1.3.4.2 yamt static void rt2560_rx_intr(struct rt2560_softc *); 107 1.3.4.2 yamt static void rt2560_beacon_expire(struct rt2560_softc *); 108 1.3.4.2 yamt static void rt2560_wakeup_expire(struct rt2560_softc *); 109 1.3.4.2 yamt #if NBPFILTER > 0 110 1.3.4.2 yamt static uint8_t rt2560_rxrate(struct rt2560_rx_desc *); 111 1.3.4.2 yamt #endif 112 1.3.4.2 yamt static int rt2560_ack_rate(struct ieee80211com *, int); 113 1.3.4.2 yamt static uint16_t rt2560_txtime(int, int, uint32_t); 114 1.3.4.2 yamt static uint8_t rt2560_plcp_signal(int); 115 1.3.4.2 yamt static void rt2560_setup_tx_desc(struct rt2560_softc *, 116 1.3.4.2 yamt struct rt2560_tx_desc *, uint32_t, int, int, int, 117 1.3.4.2 yamt bus_addr_t); 118 1.3.4.2 yamt static int rt2560_tx_bcn(struct rt2560_softc *, struct mbuf *, 119 1.3.4.2 yamt struct ieee80211_node *); 120 1.3.4.2 yamt static int rt2560_tx_mgt(struct rt2560_softc *, struct mbuf *, 121 1.3.4.2 yamt struct ieee80211_node *); 122 1.3.4.2 yamt static struct mbuf *rt2560_get_rts(struct rt2560_softc *, 123 1.3.4.2 yamt struct ieee80211_frame *, uint16_t); 124 1.3.4.2 yamt static int rt2560_tx_data(struct rt2560_softc *, struct mbuf *, 125 1.3.4.2 yamt struct ieee80211_node *); 126 1.3.4.2 yamt static void rt2560_start(struct ifnet *); 127 1.3.4.2 yamt static void rt2560_watchdog(struct ifnet *); 128 1.3.4.2 yamt static int rt2560_reset(struct ifnet *); 129 1.3.4.4 yamt static int rt2560_ioctl(struct ifnet *, u_long, void *); 130 1.3.4.2 yamt static void rt2560_bbp_write(struct rt2560_softc *, uint8_t, uint8_t); 131 1.3.4.2 yamt static uint8_t rt2560_bbp_read(struct rt2560_softc *, uint8_t); 132 1.3.4.2 yamt static void rt2560_rf_write(struct rt2560_softc *, uint8_t, uint32_t); 133 1.3.4.2 yamt static void rt2560_set_chan(struct rt2560_softc *, 134 1.3.4.2 yamt struct ieee80211_channel *); 135 1.3.4.2 yamt static void rt2560_disable_rf_tune(struct rt2560_softc *); 136 1.3.4.2 yamt static void rt2560_enable_tsf_sync(struct rt2560_softc *); 137 1.3.4.2 yamt static void rt2560_update_plcp(struct rt2560_softc *); 138 1.3.4.2 yamt static void rt2560_update_slot(struct ifnet *); 139 1.3.4.2 yamt static void rt2560_set_basicrates(struct rt2560_softc *); 140 1.3.4.2 yamt static void rt2560_update_led(struct rt2560_softc *, int, int); 141 1.3.4.2 yamt static void rt2560_set_bssid(struct rt2560_softc *, uint8_t *); 142 1.3.4.2 yamt static void rt2560_set_macaddr(struct rt2560_softc *, uint8_t *); 143 1.3.4.2 yamt static void rt2560_get_macaddr(struct rt2560_softc *, uint8_t *); 144 1.3.4.2 yamt static void rt2560_update_promisc(struct rt2560_softc *); 145 1.3.4.2 yamt static void rt2560_set_txantenna(struct rt2560_softc *, int); 146 1.3.4.2 yamt static void rt2560_set_rxantenna(struct rt2560_softc *, int); 147 1.3.4.2 yamt static const char *rt2560_get_rf(int); 148 1.3.4.2 yamt static void rt2560_read_eeprom(struct rt2560_softc *); 149 1.3.4.2 yamt static int rt2560_bbp_init(struct rt2560_softc *); 150 1.3.4.2 yamt static int rt2560_init(struct ifnet *); 151 1.3.4.6 yamt static void rt2560_stop(struct ifnet *, int); 152 1.3.4.2 yamt 153 1.3.4.2 yamt /* 154 1.3.4.2 yamt * Supported rates for 802.11a/b/g modes (in 500Kbps unit). 155 1.3.4.2 yamt */ 156 1.3.4.2 yamt static const struct ieee80211_rateset rt2560_rateset_11a = 157 1.3.4.2 yamt { 8, { 12, 18, 24, 36, 48, 72, 96, 108 } }; 158 1.3.4.2 yamt 159 1.3.4.2 yamt static const struct ieee80211_rateset rt2560_rateset_11b = 160 1.3.4.2 yamt { 4, { 2, 4, 11, 22 } }; 161 1.3.4.2 yamt 162 1.3.4.2 yamt static const struct ieee80211_rateset rt2560_rateset_11g = 163 1.3.4.2 yamt { 12, { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 } }; 164 1.3.4.2 yamt 165 1.3.4.2 yamt /* 166 1.3.4.2 yamt * Default values for MAC registers; values taken from the reference driver. 167 1.3.4.2 yamt */ 168 1.3.4.2 yamt static const struct { 169 1.3.4.2 yamt uint32_t reg; 170 1.3.4.2 yamt uint32_t val; 171 1.3.4.2 yamt } rt2560_def_mac[] = { 172 1.3.4.2 yamt { RT2560_PSCSR0, 0x00020002 }, 173 1.3.4.2 yamt { RT2560_PSCSR1, 0x00000002 }, 174 1.3.4.2 yamt { RT2560_PSCSR2, 0x00020002 }, 175 1.3.4.2 yamt { RT2560_PSCSR3, 0x00000002 }, 176 1.3.4.2 yamt { RT2560_TIMECSR, 0x00003f21 }, 177 1.3.4.2 yamt { RT2560_CSR9, 0x00000780 }, 178 1.3.4.2 yamt { RT2560_CSR11, 0x07041483 }, 179 1.3.4.2 yamt { RT2560_CNT3, 0x00000000 }, 180 1.3.4.2 yamt { RT2560_TXCSR1, 0x07614562 }, 181 1.3.4.2 yamt { RT2560_ARSP_PLCP_0, 0x8c8d8b8a }, 182 1.3.4.2 yamt { RT2560_ACKPCTCSR, 0x7038140a }, 183 1.3.4.2 yamt { RT2560_ARTCSR1, 0x1d21252d }, 184 1.3.4.2 yamt { RT2560_ARTCSR2, 0x1919191d }, 185 1.3.4.2 yamt { RT2560_RXCSR0, 0xffffffff }, 186 1.3.4.2 yamt { RT2560_RXCSR3, 0xb3aab3af }, 187 1.3.4.2 yamt { RT2560_PCICSR, 0x000003b8 }, 188 1.3.4.2 yamt { RT2560_PWRCSR0, 0x3f3b3100 }, 189 1.3.4.2 yamt { RT2560_GPIOCSR, 0x0000ff00 }, 190 1.3.4.2 yamt { RT2560_TESTCSR, 0x000000f0 }, 191 1.3.4.2 yamt { RT2560_PWRCSR1, 0x000001ff }, 192 1.3.4.2 yamt { RT2560_MACCSR0, 0x00213223 }, 193 1.3.4.2 yamt { RT2560_MACCSR1, 0x00235518 }, 194 1.3.4.2 yamt { RT2560_RLPWCSR, 0x00000040 }, 195 1.3.4.2 yamt { RT2560_RALINKCSR, 0x9a009a11 }, 196 1.3.4.2 yamt { RT2560_CSR7, 0xffffffff }, 197 1.3.4.2 yamt { RT2560_BBPCSR1, 0x82188200 }, 198 1.3.4.2 yamt { RT2560_TXACKCSR0, 0x00000020 }, 199 1.3.4.2 yamt { RT2560_SECCSR3, 0x0000e78f } 200 1.3.4.2 yamt }; 201 1.3.4.2 yamt 202 1.3.4.2 yamt /* 203 1.3.4.2 yamt * Default values for BBP registers; values taken from the reference driver. 204 1.3.4.2 yamt */ 205 1.3.4.2 yamt static const struct { 206 1.3.4.2 yamt uint8_t reg; 207 1.3.4.2 yamt uint8_t val; 208 1.3.4.2 yamt } rt2560_def_bbp[] = { 209 1.3.4.2 yamt { 3, 0x02 }, 210 1.3.4.2 yamt { 4, 0x19 }, 211 1.3.4.2 yamt { 14, 0x1c }, 212 1.3.4.2 yamt { 15, 0x30 }, 213 1.3.4.2 yamt { 16, 0xac }, 214 1.3.4.2 yamt { 17, 0x48 }, 215 1.3.4.2 yamt { 18, 0x18 }, 216 1.3.4.2 yamt { 19, 0xff }, 217 1.3.4.2 yamt { 20, 0x1e }, 218 1.3.4.2 yamt { 21, 0x08 }, 219 1.3.4.2 yamt { 22, 0x08 }, 220 1.3.4.2 yamt { 23, 0x08 }, 221 1.3.4.2 yamt { 24, 0x80 }, 222 1.3.4.2 yamt { 25, 0x50 }, 223 1.3.4.2 yamt { 26, 0x08 }, 224 1.3.4.2 yamt { 27, 0x23 }, 225 1.3.4.2 yamt { 30, 0x10 }, 226 1.3.4.2 yamt { 31, 0x2b }, 227 1.3.4.2 yamt { 32, 0xb9 }, 228 1.3.4.2 yamt { 34, 0x12 }, 229 1.3.4.2 yamt { 35, 0x50 }, 230 1.3.4.2 yamt { 39, 0xc4 }, 231 1.3.4.2 yamt { 40, 0x02 }, 232 1.3.4.2 yamt { 41, 0x60 }, 233 1.3.4.2 yamt { 53, 0x10 }, 234 1.3.4.2 yamt { 54, 0x18 }, 235 1.3.4.2 yamt { 56, 0x08 }, 236 1.3.4.2 yamt { 57, 0x10 }, 237 1.3.4.2 yamt { 58, 0x08 }, 238 1.3.4.2 yamt { 61, 0x60 }, 239 1.3.4.2 yamt { 62, 0x10 }, 240 1.3.4.2 yamt { 75, 0xff } 241 1.3.4.2 yamt }; 242 1.3.4.2 yamt 243 1.3.4.2 yamt /* 244 1.3.4.2 yamt * Default values for RF register R2 indexed by channel numbers; values taken 245 1.3.4.2 yamt * from the reference driver. 246 1.3.4.2 yamt */ 247 1.3.4.2 yamt static const uint32_t rt2560_rf2522_r2[] = { 248 1.3.4.2 yamt 0x307f6, 0x307fb, 0x30800, 0x30805, 0x3080a, 0x3080f, 0x30814, 249 1.3.4.2 yamt 0x30819, 0x3081e, 0x30823, 0x30828, 0x3082d, 0x30832, 0x3083e 250 1.3.4.2 yamt }; 251 1.3.4.2 yamt 252 1.3.4.2 yamt static const uint32_t rt2560_rf2523_r2[] = { 253 1.3.4.2 yamt 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 254 1.3.4.2 yamt 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 255 1.3.4.2 yamt }; 256 1.3.4.2 yamt 257 1.3.4.2 yamt static const uint32_t rt2560_rf2524_r2[] = { 258 1.3.4.2 yamt 0x00327, 0x00328, 0x00329, 0x0032a, 0x0032b, 0x0032c, 0x0032d, 259 1.3.4.2 yamt 0x0032e, 0x0032f, 0x00340, 0x00341, 0x00342, 0x00343, 0x00346 260 1.3.4.2 yamt }; 261 1.3.4.2 yamt 262 1.3.4.2 yamt static const uint32_t rt2560_rf2525_r2[] = { 263 1.3.4.2 yamt 0x20327, 0x20328, 0x20329, 0x2032a, 0x2032b, 0x2032c, 0x2032d, 264 1.3.4.2 yamt 0x2032e, 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20346 265 1.3.4.2 yamt }; 266 1.3.4.2 yamt 267 1.3.4.2 yamt static const uint32_t rt2560_rf2525_hi_r2[] = { 268 1.3.4.2 yamt 0x2032f, 0x20340, 0x20341, 0x20342, 0x20343, 0x20344, 0x20345, 269 1.3.4.2 yamt 0x20346, 0x20347, 0x20348, 0x20349, 0x2034a, 0x2034b, 0x2034e 270 1.3.4.2 yamt }; 271 1.3.4.2 yamt 272 1.3.4.2 yamt static const uint32_t rt2560_rf2525e_r2[] = { 273 1.3.4.2 yamt 0x2044d, 0x2044e, 0x2044f, 0x20460, 0x20461, 0x20462, 0x20463, 274 1.3.4.2 yamt 0x20464, 0x20465, 0x20466, 0x20467, 0x20468, 0x20469, 0x2046b 275 1.3.4.2 yamt }; 276 1.3.4.2 yamt 277 1.3.4.2 yamt static const uint32_t rt2560_rf2526_hi_r2[] = { 278 1.3.4.2 yamt 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d, 0x0022d, 279 1.3.4.2 yamt 0x0022e, 0x0022e, 0x0022f, 0x0022d, 0x00240, 0x00240, 0x00241 280 1.3.4.2 yamt }; 281 1.3.4.2 yamt 282 1.3.4.2 yamt static const uint32_t rt2560_rf2526_r2[] = { 283 1.3.4.2 yamt 0x00226, 0x00227, 0x00227, 0x00228, 0x00228, 0x00229, 0x00229, 284 1.3.4.2 yamt 0x0022a, 0x0022a, 0x0022b, 0x0022b, 0x0022c, 0x0022c, 0x0022d 285 1.3.4.2 yamt }; 286 1.3.4.2 yamt 287 1.3.4.2 yamt /* 288 1.3.4.2 yamt * For dual-band RF, RF registers R1 and R4 also depend on channel number; 289 1.3.4.2 yamt * values taken from the reference driver. 290 1.3.4.2 yamt */ 291 1.3.4.2 yamt static const struct { 292 1.3.4.2 yamt uint8_t chan; 293 1.3.4.2 yamt uint32_t r1; 294 1.3.4.2 yamt uint32_t r2; 295 1.3.4.2 yamt uint32_t r4; 296 1.3.4.2 yamt } rt2560_rf5222[] = { 297 1.3.4.2 yamt { 1, 0x08808, 0x0044d, 0x00282 }, 298 1.3.4.2 yamt { 2, 0x08808, 0x0044e, 0x00282 }, 299 1.3.4.2 yamt { 3, 0x08808, 0x0044f, 0x00282 }, 300 1.3.4.2 yamt { 4, 0x08808, 0x00460, 0x00282 }, 301 1.3.4.2 yamt { 5, 0x08808, 0x00461, 0x00282 }, 302 1.3.4.2 yamt { 6, 0x08808, 0x00462, 0x00282 }, 303 1.3.4.2 yamt { 7, 0x08808, 0x00463, 0x00282 }, 304 1.3.4.2 yamt { 8, 0x08808, 0x00464, 0x00282 }, 305 1.3.4.2 yamt { 9, 0x08808, 0x00465, 0x00282 }, 306 1.3.4.2 yamt { 10, 0x08808, 0x00466, 0x00282 }, 307 1.3.4.2 yamt { 11, 0x08808, 0x00467, 0x00282 }, 308 1.3.4.2 yamt { 12, 0x08808, 0x00468, 0x00282 }, 309 1.3.4.2 yamt { 13, 0x08808, 0x00469, 0x00282 }, 310 1.3.4.2 yamt { 14, 0x08808, 0x0046b, 0x00286 }, 311 1.3.4.2 yamt 312 1.3.4.2 yamt { 36, 0x08804, 0x06225, 0x00287 }, 313 1.3.4.2 yamt { 40, 0x08804, 0x06226, 0x00287 }, 314 1.3.4.2 yamt { 44, 0x08804, 0x06227, 0x00287 }, 315 1.3.4.2 yamt { 48, 0x08804, 0x06228, 0x00287 }, 316 1.3.4.2 yamt { 52, 0x08804, 0x06229, 0x00287 }, 317 1.3.4.2 yamt { 56, 0x08804, 0x0622a, 0x00287 }, 318 1.3.4.2 yamt { 60, 0x08804, 0x0622b, 0x00287 }, 319 1.3.4.2 yamt { 64, 0x08804, 0x0622c, 0x00287 }, 320 1.3.4.2 yamt 321 1.3.4.2 yamt { 100, 0x08804, 0x02200, 0x00283 }, 322 1.3.4.2 yamt { 104, 0x08804, 0x02201, 0x00283 }, 323 1.3.4.2 yamt { 108, 0x08804, 0x02202, 0x00283 }, 324 1.3.4.2 yamt { 112, 0x08804, 0x02203, 0x00283 }, 325 1.3.4.2 yamt { 116, 0x08804, 0x02204, 0x00283 }, 326 1.3.4.2 yamt { 120, 0x08804, 0x02205, 0x00283 }, 327 1.3.4.2 yamt { 124, 0x08804, 0x02206, 0x00283 }, 328 1.3.4.2 yamt { 128, 0x08804, 0x02207, 0x00283 }, 329 1.3.4.2 yamt { 132, 0x08804, 0x02208, 0x00283 }, 330 1.3.4.2 yamt { 136, 0x08804, 0x02209, 0x00283 }, 331 1.3.4.2 yamt { 140, 0x08804, 0x0220a, 0x00283 }, 332 1.3.4.2 yamt 333 1.3.4.2 yamt { 149, 0x08808, 0x02429, 0x00281 }, 334 1.3.4.2 yamt { 153, 0x08808, 0x0242b, 0x00281 }, 335 1.3.4.2 yamt { 157, 0x08808, 0x0242d, 0x00281 }, 336 1.3.4.2 yamt { 161, 0x08808, 0x0242f, 0x00281 } 337 1.3.4.2 yamt }; 338 1.3.4.2 yamt 339 1.3.4.2 yamt int 340 1.3.4.2 yamt rt2560_attach(void *xsc, int id) 341 1.3.4.2 yamt { 342 1.3.4.2 yamt struct rt2560_softc *sc = xsc; 343 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 344 1.3.4.2 yamt struct ifnet *ifp = &sc->sc_if; 345 1.3.4.2 yamt int error, i; 346 1.3.4.2 yamt 347 1.3.4.4 yamt callout_init(&sc->scan_ch, 0); 348 1.3.4.4 yamt callout_init(&sc->rssadapt_ch, 0); 349 1.3.4.2 yamt 350 1.3.4.2 yamt /* retrieve RT2560 rev. no */ 351 1.3.4.2 yamt sc->asic_rev = RAL_READ(sc, RT2560_CSR0); 352 1.3.4.2 yamt 353 1.3.4.2 yamt /* retrieve MAC address */ 354 1.3.4.2 yamt rt2560_get_macaddr(sc, ic->ic_myaddr); 355 1.3.4.2 yamt 356 1.3.4.2 yamt aprint_normal("%s: 802.11 address %s\n", sc->sc_dev.dv_xname, 357 1.3.4.2 yamt ether_sprintf(ic->ic_myaddr)); 358 1.3.4.2 yamt 359 1.3.4.2 yamt /* retrieve RF rev. no and various other things from EEPROM */ 360 1.3.4.2 yamt rt2560_read_eeprom(sc); 361 1.3.4.2 yamt 362 1.3.4.2 yamt aprint_normal("%s: MAC/BBP RT2560 (rev 0x%02x), RF %s\n", 363 1.3.4.2 yamt sc->sc_dev.dv_xname, sc->asic_rev, rt2560_get_rf(sc->rf_rev)); 364 1.3.4.2 yamt 365 1.3.4.2 yamt /* 366 1.3.4.2 yamt * Allocate Tx and Rx rings. 367 1.3.4.2 yamt */ 368 1.3.4.2 yamt error = rt2560_alloc_tx_ring(sc, &sc->txq, RT2560_TX_RING_COUNT); 369 1.3.4.2 yamt if (error != 0) { 370 1.3.4.2 yamt aprint_error("%s: could not allocate Tx ring\n)", 371 1.3.4.2 yamt sc->sc_dev.dv_xname); 372 1.3.4.2 yamt goto fail1; 373 1.3.4.2 yamt } 374 1.3.4.2 yamt 375 1.3.4.2 yamt error = rt2560_alloc_tx_ring(sc, &sc->atimq, RT2560_ATIM_RING_COUNT); 376 1.3.4.2 yamt if (error != 0) { 377 1.3.4.2 yamt aprint_error("%s: could not allocate ATIM ring\n", 378 1.3.4.2 yamt sc->sc_dev.dv_xname); 379 1.3.4.2 yamt goto fail2; 380 1.3.4.2 yamt } 381 1.3.4.2 yamt 382 1.3.4.2 yamt error = rt2560_alloc_tx_ring(sc, &sc->prioq, RT2560_PRIO_RING_COUNT); 383 1.3.4.2 yamt if (error != 0) { 384 1.3.4.2 yamt aprint_error("%s: could not allocate Prio ring\n", 385 1.3.4.2 yamt sc->sc_dev.dv_xname); 386 1.3.4.2 yamt goto fail3; 387 1.3.4.2 yamt } 388 1.3.4.2 yamt 389 1.3.4.2 yamt error = rt2560_alloc_tx_ring(sc, &sc->bcnq, RT2560_BEACON_RING_COUNT); 390 1.3.4.2 yamt if (error != 0) { 391 1.3.4.2 yamt aprint_error("%s: could not allocate Beacon ring\n", 392 1.3.4.2 yamt sc->sc_dev.dv_xname); 393 1.3.4.2 yamt goto fail4; 394 1.3.4.2 yamt } 395 1.3.4.2 yamt 396 1.3.4.2 yamt error = rt2560_alloc_rx_ring(sc, &sc->rxq, RT2560_RX_RING_COUNT); 397 1.3.4.2 yamt if (error != 0) { 398 1.3.4.2 yamt aprint_error("%s: could not allocate Rx ring\n", 399 1.3.4.2 yamt sc->sc_dev.dv_xname); 400 1.3.4.2 yamt goto fail5; 401 1.3.4.2 yamt } 402 1.3.4.2 yamt 403 1.3.4.2 yamt ifp->if_softc = sc; 404 1.3.4.2 yamt ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 405 1.3.4.2 yamt ifp->if_init = rt2560_init; 406 1.3.4.6 yamt ifp->if_stop = rt2560_stop; 407 1.3.4.2 yamt ifp->if_ioctl = rt2560_ioctl; 408 1.3.4.2 yamt ifp->if_start = rt2560_start; 409 1.3.4.2 yamt ifp->if_watchdog = rt2560_watchdog; 410 1.3.4.2 yamt IFQ_SET_READY(&ifp->if_snd); 411 1.3.4.2 yamt memcpy(ifp->if_xname, sc->sc_dev.dv_xname, IFNAMSIZ); 412 1.3.4.2 yamt 413 1.3.4.2 yamt ic->ic_ifp = ifp; 414 1.3.4.2 yamt ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 415 1.3.4.2 yamt ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 416 1.3.4.2 yamt ic->ic_state = IEEE80211_S_INIT; 417 1.3.4.2 yamt 418 1.3.4.2 yamt /* set device capabilities */ 419 1.3.4.2 yamt ic->ic_caps = 420 1.3.4.2 yamt IEEE80211_C_IBSS | /* IBSS mode supported */ 421 1.3.4.2 yamt IEEE80211_C_MONITOR | /* monitor mode supported */ 422 1.3.4.2 yamt IEEE80211_C_HOSTAP | /* HostAp mode supported */ 423 1.3.4.2 yamt IEEE80211_C_TXPMGT | /* tx power management */ 424 1.3.4.2 yamt IEEE80211_C_SHPREAMBLE | /* short preamble supported */ 425 1.3.4.2 yamt IEEE80211_C_SHSLOT | /* short slot time supported */ 426 1.3.4.2 yamt IEEE80211_C_WPA; /* 802.11i */ 427 1.3.4.2 yamt 428 1.3.4.2 yamt if (sc->rf_rev == RT2560_RF_5222) { 429 1.3.4.2 yamt /* set supported .11a rates */ 430 1.3.4.2 yamt ic->ic_sup_rates[IEEE80211_MODE_11A] = rt2560_rateset_11a; 431 1.3.4.2 yamt 432 1.3.4.2 yamt /* set supported .11a channels */ 433 1.3.4.2 yamt for (i = 36; i <= 64; i += 4) { 434 1.3.4.2 yamt ic->ic_channels[i].ic_freq = 435 1.3.4.2 yamt ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 436 1.3.4.2 yamt ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; 437 1.3.4.2 yamt } 438 1.3.4.2 yamt for (i = 100; i <= 140; i += 4) { 439 1.3.4.2 yamt ic->ic_channels[i].ic_freq = 440 1.3.4.2 yamt ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 441 1.3.4.2 yamt ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; 442 1.3.4.2 yamt } 443 1.3.4.2 yamt for (i = 149; i <= 161; i += 4) { 444 1.3.4.2 yamt ic->ic_channels[i].ic_freq = 445 1.3.4.2 yamt ieee80211_ieee2mhz(i, IEEE80211_CHAN_5GHZ); 446 1.3.4.2 yamt ic->ic_channels[i].ic_flags = IEEE80211_CHAN_A; 447 1.3.4.2 yamt } 448 1.3.4.2 yamt } 449 1.3.4.2 yamt 450 1.3.4.2 yamt /* set supported .11b and .11g rates */ 451 1.3.4.2 yamt ic->ic_sup_rates[IEEE80211_MODE_11B] = rt2560_rateset_11b; 452 1.3.4.2 yamt ic->ic_sup_rates[IEEE80211_MODE_11G] = rt2560_rateset_11g; 453 1.3.4.2 yamt 454 1.3.4.2 yamt /* set supported .11b and .11g channels (1 through 14) */ 455 1.3.4.2 yamt for (i = 1; i <= 14; i++) { 456 1.3.4.2 yamt ic->ic_channels[i].ic_freq = 457 1.3.4.2 yamt ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 458 1.3.4.2 yamt ic->ic_channels[i].ic_flags = 459 1.3.4.2 yamt IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 460 1.3.4.2 yamt IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 461 1.3.4.2 yamt } 462 1.3.4.2 yamt 463 1.3.4.2 yamt if_attach(ifp); 464 1.3.4.2 yamt ieee80211_ifattach(ic); 465 1.3.4.2 yamt ic->ic_node_alloc = rt2560_node_alloc; 466 1.3.4.2 yamt ic->ic_updateslot = rt2560_update_slot; 467 1.3.4.2 yamt ic->ic_reset = rt2560_reset; 468 1.3.4.2 yamt 469 1.3.4.2 yamt /* override state transition machine */ 470 1.3.4.2 yamt sc->sc_newstate = ic->ic_newstate; 471 1.3.4.2 yamt ic->ic_newstate = rt2560_newstate; 472 1.3.4.2 yamt ieee80211_media_init(ic, rt2560_media_change, ieee80211_media_status); 473 1.3.4.2 yamt 474 1.3.4.2 yamt #if NBPFILTER > 0 475 1.3.4.2 yamt bpfattach2(ifp, DLT_IEEE802_11_RADIO, 476 1.3.4.2 yamt sizeof (struct ieee80211_frame) + 64, &sc->sc_drvbpf); 477 1.3.4.2 yamt #endif 478 1.3.4.2 yamt 479 1.3.4.2 yamt sc->sc_rxtap_len = sizeof sc->sc_rxtapu; 480 1.3.4.2 yamt sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 481 1.3.4.2 yamt sc->sc_rxtap.wr_ihdr.it_present = htole32(RT2560_RX_RADIOTAP_PRESENT); 482 1.3.4.2 yamt 483 1.3.4.2 yamt sc->sc_txtap_len = sizeof sc->sc_txtapu; 484 1.3.4.2 yamt sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 485 1.3.4.2 yamt sc->sc_txtap.wt_ihdr.it_present = htole32(RT2560_TX_RADIOTAP_PRESENT); 486 1.3.4.2 yamt 487 1.3.4.2 yamt 488 1.3.4.2 yamt sc->dwelltime = 200; 489 1.3.4.2 yamt 490 1.3.4.2 yamt ieee80211_announce(ic); 491 1.3.4.2 yamt 492 1.3.4.6 yamt if (!pmf_device_register(&sc->sc_dev, NULL, NULL)) 493 1.3.4.6 yamt aprint_error_dev(&sc->sc_dev, "couldn't establish power handler\n"); 494 1.3.4.6 yamt else 495 1.3.4.6 yamt pmf_class_network_register(&sc->sc_dev, ifp); 496 1.3.4.6 yamt 497 1.3.4.2 yamt return 0; 498 1.3.4.2 yamt 499 1.3.4.2 yamt fail5: rt2560_free_tx_ring(sc, &sc->bcnq); 500 1.3.4.2 yamt fail4: rt2560_free_tx_ring(sc, &sc->prioq); 501 1.3.4.2 yamt fail3: rt2560_free_tx_ring(sc, &sc->atimq); 502 1.3.4.2 yamt fail2: rt2560_free_tx_ring(sc, &sc->txq); 503 1.3.4.2 yamt fail1: 504 1.3.4.2 yamt return ENXIO; 505 1.3.4.2 yamt } 506 1.3.4.2 yamt 507 1.3.4.2 yamt 508 1.3.4.2 yamt int 509 1.3.4.2 yamt rt2560_detach(void *xsc) 510 1.3.4.2 yamt { 511 1.3.4.2 yamt struct rt2560_softc *sc = xsc; 512 1.3.4.2 yamt struct ifnet *ifp = &sc->sc_if; 513 1.3.4.2 yamt 514 1.3.4.2 yamt callout_stop(&sc->scan_ch); 515 1.3.4.2 yamt callout_stop(&sc->rssadapt_ch); 516 1.3.4.2 yamt 517 1.3.4.6 yamt pmf_device_deregister(&sc->sc_dev); 518 1.3.4.3 yamt 519 1.3.4.6 yamt rt2560_stop(ifp, 1); 520 1.3.4.3 yamt 521 1.3.4.2 yamt ieee80211_ifdetach(&sc->sc_ic); /* free all nodes */ 522 1.3.4.2 yamt if_detach(ifp); 523 1.3.4.2 yamt 524 1.3.4.2 yamt rt2560_free_tx_ring(sc, &sc->txq); 525 1.3.4.2 yamt rt2560_free_tx_ring(sc, &sc->atimq); 526 1.3.4.2 yamt rt2560_free_tx_ring(sc, &sc->prioq); 527 1.3.4.2 yamt rt2560_free_tx_ring(sc, &sc->bcnq); 528 1.3.4.2 yamt rt2560_free_rx_ring(sc, &sc->rxq); 529 1.3.4.2 yamt 530 1.3.4.2 yamt return 0; 531 1.3.4.2 yamt } 532 1.3.4.2 yamt 533 1.3.4.2 yamt int 534 1.3.4.2 yamt rt2560_alloc_tx_ring(struct rt2560_softc *sc, struct rt2560_tx_ring *ring, 535 1.3.4.2 yamt int count) 536 1.3.4.2 yamt { 537 1.3.4.2 yamt int i, nsegs, error; 538 1.3.4.2 yamt 539 1.3.4.2 yamt ring->count = count; 540 1.3.4.2 yamt ring->queued = 0; 541 1.3.4.2 yamt ring->cur = ring->next = 0; 542 1.3.4.2 yamt ring->cur_encrypt = ring->next_encrypt = 0; 543 1.3.4.2 yamt 544 1.3.4.2 yamt error = bus_dmamap_create(sc->sc_dmat, count * RT2560_TX_DESC_SIZE, 1, 545 1.3.4.2 yamt count * RT2560_TX_DESC_SIZE, 0, BUS_DMA_NOWAIT, &ring->map); 546 1.3.4.2 yamt if (error != 0) { 547 1.3.4.2 yamt printf("%s: could not create desc DMA map\n", 548 1.3.4.2 yamt sc->sc_dev.dv_xname); 549 1.3.4.2 yamt goto fail; 550 1.3.4.2 yamt } 551 1.3.4.2 yamt 552 1.3.4.2 yamt error = bus_dmamem_alloc(sc->sc_dmat, count * RT2560_TX_DESC_SIZE, 553 1.3.4.2 yamt PAGE_SIZE, 0, &ring->seg, 1, &nsegs, BUS_DMA_NOWAIT); 554 1.3.4.2 yamt if (error != 0) { 555 1.3.4.2 yamt printf("%s: could not allocate DMA memory\n", 556 1.3.4.2 yamt sc->sc_dev.dv_xname); 557 1.3.4.2 yamt goto fail; 558 1.3.4.2 yamt } 559 1.3.4.2 yamt 560 1.3.4.2 yamt error = bus_dmamem_map(sc->sc_dmat, &ring->seg, nsegs, 561 1.3.4.4 yamt count * RT2560_TX_DESC_SIZE, (void **)&ring->desc, 562 1.3.4.2 yamt BUS_DMA_NOWAIT); 563 1.3.4.2 yamt if (error != 0) { 564 1.3.4.2 yamt printf("%s: could not map desc DMA memory\n", 565 1.3.4.2 yamt sc->sc_dev.dv_xname); 566 1.3.4.2 yamt goto fail; 567 1.3.4.2 yamt } 568 1.3.4.2 yamt 569 1.3.4.2 yamt error = bus_dmamap_load(sc->sc_dmat, ring->map, ring->desc, 570 1.3.4.2 yamt count * RT2560_TX_DESC_SIZE, NULL, BUS_DMA_NOWAIT); 571 1.3.4.2 yamt if (error != 0) { 572 1.3.4.2 yamt printf("%s: could not load desc DMA map\n", 573 1.3.4.2 yamt sc->sc_dev.dv_xname); 574 1.3.4.2 yamt goto fail; 575 1.3.4.2 yamt } 576 1.3.4.2 yamt 577 1.3.4.2 yamt memset(ring->desc, 0, count * RT2560_TX_DESC_SIZE); 578 1.3.4.2 yamt ring->physaddr = ring->map->dm_segs->ds_addr; 579 1.3.4.2 yamt 580 1.3.4.2 yamt ring->data = malloc(count * sizeof (struct rt2560_tx_data), M_DEVBUF, 581 1.3.4.2 yamt M_NOWAIT); 582 1.3.4.2 yamt if (ring->data == NULL) { 583 1.3.4.2 yamt printf("%s: could not allocate soft data\n", 584 1.3.4.2 yamt sc->sc_dev.dv_xname); 585 1.3.4.2 yamt error = ENOMEM; 586 1.3.4.2 yamt goto fail; 587 1.3.4.2 yamt } 588 1.3.4.2 yamt 589 1.3.4.2 yamt memset(ring->data, 0, count * sizeof (struct rt2560_tx_data)); 590 1.3.4.2 yamt for (i = 0; i < count; i++) { 591 1.3.4.2 yamt error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 592 1.3.4.2 yamt RT2560_MAX_SCATTER, MCLBYTES, 0, BUS_DMA_NOWAIT, 593 1.3.4.2 yamt &ring->data[i].map); 594 1.3.4.2 yamt if (error != 0) { 595 1.3.4.2 yamt printf("%s: could not create DMA map\n", 596 1.3.4.2 yamt sc->sc_dev.dv_xname); 597 1.3.4.2 yamt goto fail; 598 1.3.4.2 yamt } 599 1.3.4.2 yamt } 600 1.3.4.2 yamt 601 1.3.4.2 yamt return 0; 602 1.3.4.2 yamt 603 1.3.4.2 yamt fail: rt2560_free_tx_ring(sc, ring); 604 1.3.4.2 yamt return error; 605 1.3.4.2 yamt } 606 1.3.4.2 yamt 607 1.3.4.2 yamt void 608 1.3.4.2 yamt rt2560_reset_tx_ring(struct rt2560_softc *sc, struct rt2560_tx_ring *ring) 609 1.3.4.2 yamt { 610 1.3.4.2 yamt struct rt2560_tx_desc *desc; 611 1.3.4.2 yamt struct rt2560_tx_data *data; 612 1.3.4.2 yamt int i; 613 1.3.4.2 yamt 614 1.3.4.2 yamt for (i = 0; i < ring->count; i++) { 615 1.3.4.2 yamt desc = &ring->desc[i]; 616 1.3.4.2 yamt data = &ring->data[i]; 617 1.3.4.2 yamt 618 1.3.4.2 yamt if (data->m != NULL) { 619 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 620 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 621 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 622 1.3.4.2 yamt m_freem(data->m); 623 1.3.4.2 yamt data->m = NULL; 624 1.3.4.2 yamt } 625 1.3.4.2 yamt 626 1.3.4.2 yamt if (data->ni != NULL) { 627 1.3.4.2 yamt ieee80211_free_node(data->ni); 628 1.3.4.2 yamt data->ni = NULL; 629 1.3.4.2 yamt } 630 1.3.4.2 yamt 631 1.3.4.2 yamt desc->flags = 0; 632 1.3.4.2 yamt } 633 1.3.4.2 yamt 634 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, 635 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 636 1.3.4.2 yamt 637 1.3.4.2 yamt ring->queued = 0; 638 1.3.4.2 yamt ring->cur = ring->next = 0; 639 1.3.4.2 yamt ring->cur_encrypt = ring->next_encrypt = 0; 640 1.3.4.2 yamt } 641 1.3.4.2 yamt 642 1.3.4.2 yamt void 643 1.3.4.2 yamt rt2560_free_tx_ring(struct rt2560_softc *sc, struct rt2560_tx_ring *ring) 644 1.3.4.2 yamt { 645 1.3.4.2 yamt struct rt2560_tx_data *data; 646 1.3.4.2 yamt int i; 647 1.3.4.2 yamt 648 1.3.4.2 yamt if (ring->desc != NULL) { 649 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, ring->map, 0, 650 1.3.4.2 yamt ring->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 651 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, ring->map); 652 1.3.4.4 yamt bus_dmamem_unmap(sc->sc_dmat, (void *)ring->desc, 653 1.3.4.2 yamt ring->count * RT2560_TX_DESC_SIZE); 654 1.3.4.2 yamt bus_dmamem_free(sc->sc_dmat, &ring->seg, 1); 655 1.3.4.2 yamt } 656 1.3.4.2 yamt 657 1.3.4.2 yamt if (ring->data != NULL) { 658 1.3.4.2 yamt for (i = 0; i < ring->count; i++) { 659 1.3.4.2 yamt data = &ring->data[i]; 660 1.3.4.2 yamt 661 1.3.4.2 yamt if (data->m != NULL) { 662 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 663 1.3.4.2 yamt data->map->dm_mapsize, 664 1.3.4.2 yamt BUS_DMASYNC_POSTWRITE); 665 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 666 1.3.4.2 yamt m_freem(data->m); 667 1.3.4.2 yamt } 668 1.3.4.2 yamt 669 1.3.4.2 yamt if (data->ni != NULL) 670 1.3.4.2 yamt ieee80211_free_node(data->ni); 671 1.3.4.2 yamt 672 1.3.4.2 yamt 673 1.3.4.2 yamt if (data->map != NULL) 674 1.3.4.2 yamt bus_dmamap_destroy(sc->sc_dmat, data->map); 675 1.3.4.2 yamt } 676 1.3.4.2 yamt free(ring->data, M_DEVBUF); 677 1.3.4.2 yamt } 678 1.3.4.2 yamt } 679 1.3.4.2 yamt 680 1.3.4.2 yamt int 681 1.3.4.2 yamt rt2560_alloc_rx_ring(struct rt2560_softc *sc, struct rt2560_rx_ring *ring, 682 1.3.4.2 yamt int count) 683 1.3.4.2 yamt { 684 1.3.4.2 yamt struct rt2560_rx_desc *desc; 685 1.3.4.2 yamt struct rt2560_rx_data *data; 686 1.3.4.2 yamt int i, nsegs, error; 687 1.3.4.2 yamt 688 1.3.4.2 yamt ring->count = count; 689 1.3.4.2 yamt ring->cur = ring->next = 0; 690 1.3.4.2 yamt ring->cur_decrypt = 0; 691 1.3.4.2 yamt 692 1.3.4.2 yamt error = bus_dmamap_create(sc->sc_dmat, count * RT2560_RX_DESC_SIZE, 1, 693 1.3.4.2 yamt count * RT2560_RX_DESC_SIZE, 0, BUS_DMA_NOWAIT, &ring->map); 694 1.3.4.2 yamt if (error != 0) { 695 1.3.4.2 yamt printf("%s: could not create desc DMA map\n", 696 1.3.4.2 yamt sc->sc_dev.dv_xname); 697 1.3.4.2 yamt goto fail; 698 1.3.4.2 yamt } 699 1.3.4.2 yamt 700 1.3.4.2 yamt error = bus_dmamem_alloc(sc->sc_dmat, count * RT2560_RX_DESC_SIZE, 701 1.3.4.2 yamt PAGE_SIZE, 0, &ring->seg, 1, &nsegs, BUS_DMA_NOWAIT); 702 1.3.4.2 yamt if (error != 0) { 703 1.3.4.2 yamt printf("%s: could not allocate DMA memory\n", 704 1.3.4.2 yamt sc->sc_dev.dv_xname); 705 1.3.4.2 yamt goto fail; 706 1.3.4.2 yamt } 707 1.3.4.2 yamt 708 1.3.4.2 yamt error = bus_dmamem_map(sc->sc_dmat, &ring->seg, nsegs, 709 1.3.4.4 yamt count * RT2560_RX_DESC_SIZE, (void **)&ring->desc, 710 1.3.4.2 yamt BUS_DMA_NOWAIT); 711 1.3.4.2 yamt if (error != 0) { 712 1.3.4.2 yamt printf("%s: could not map desc DMA memory\n", 713 1.3.4.2 yamt sc->sc_dev.dv_xname); 714 1.3.4.2 yamt goto fail; 715 1.3.4.2 yamt } 716 1.3.4.2 yamt 717 1.3.4.2 yamt error = bus_dmamap_load(sc->sc_dmat, ring->map, ring->desc, 718 1.3.4.2 yamt count * RT2560_RX_DESC_SIZE, NULL, BUS_DMA_NOWAIT); 719 1.3.4.2 yamt if (error != 0) { 720 1.3.4.2 yamt printf("%s: could not load desc DMA map\n", 721 1.3.4.2 yamt sc->sc_dev.dv_xname); 722 1.3.4.2 yamt goto fail; 723 1.3.4.2 yamt } 724 1.3.4.2 yamt 725 1.3.4.2 yamt memset(ring->desc, 0, count * RT2560_RX_DESC_SIZE); 726 1.3.4.2 yamt ring->physaddr = ring->map->dm_segs->ds_addr; 727 1.3.4.2 yamt 728 1.3.4.2 yamt ring->data = malloc(count * sizeof (struct rt2560_rx_data), M_DEVBUF, 729 1.3.4.2 yamt M_NOWAIT); 730 1.3.4.2 yamt if (ring->data == NULL) { 731 1.3.4.2 yamt printf("%s: could not allocate soft data\n", 732 1.3.4.2 yamt sc->sc_dev.dv_xname); 733 1.3.4.2 yamt error = ENOMEM; 734 1.3.4.2 yamt goto fail; 735 1.3.4.2 yamt } 736 1.3.4.2 yamt 737 1.3.4.2 yamt /* 738 1.3.4.2 yamt * Pre-allocate Rx buffers and populate Rx ring. 739 1.3.4.2 yamt */ 740 1.3.4.2 yamt memset(ring->data, 0, count * sizeof (struct rt2560_rx_data)); 741 1.3.4.2 yamt for (i = 0; i < count; i++) { 742 1.3.4.2 yamt desc = &sc->rxq.desc[i]; 743 1.3.4.2 yamt data = &sc->rxq.data[i]; 744 1.3.4.2 yamt 745 1.3.4.2 yamt error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1, MCLBYTES, 746 1.3.4.2 yamt 0, BUS_DMA_NOWAIT, &data->map); 747 1.3.4.2 yamt if (error != 0) { 748 1.3.4.2 yamt printf("%s: could not create DMA map\n", 749 1.3.4.2 yamt sc->sc_dev.dv_xname); 750 1.3.4.2 yamt goto fail; 751 1.3.4.2 yamt } 752 1.3.4.2 yamt 753 1.3.4.2 yamt MGETHDR(data->m, M_DONTWAIT, MT_DATA); 754 1.3.4.2 yamt if (data->m == NULL) { 755 1.3.4.2 yamt printf("%s: could not allocate rx mbuf\n", 756 1.3.4.2 yamt sc->sc_dev.dv_xname); 757 1.3.4.2 yamt error = ENOMEM; 758 1.3.4.2 yamt goto fail; 759 1.3.4.2 yamt } 760 1.3.4.2 yamt 761 1.3.4.2 yamt MCLGET(data->m, M_DONTWAIT); 762 1.3.4.2 yamt if (!(data->m->m_flags & M_EXT)) { 763 1.3.4.2 yamt printf("%s: could not allocate rx mbuf cluster\n", 764 1.3.4.2 yamt sc->sc_dev.dv_xname); 765 1.3.4.2 yamt error = ENOMEM; 766 1.3.4.2 yamt goto fail; 767 1.3.4.2 yamt } 768 1.3.4.2 yamt 769 1.3.4.2 yamt error = bus_dmamap_load(sc->sc_dmat, data->map, 770 1.3.4.2 yamt mtod(data->m, void *), MCLBYTES, NULL, BUS_DMA_NOWAIT); 771 1.3.4.2 yamt if (error != 0) { 772 1.3.4.2 yamt printf("%s: could not load rx buf DMA map", 773 1.3.4.2 yamt sc->sc_dev.dv_xname); 774 1.3.4.2 yamt goto fail; 775 1.3.4.2 yamt } 776 1.3.4.2 yamt 777 1.3.4.2 yamt desc->flags = htole32(RT2560_RX_BUSY); 778 1.3.4.2 yamt desc->physaddr = htole32(data->map->dm_segs->ds_addr); 779 1.3.4.2 yamt } 780 1.3.4.2 yamt 781 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, 782 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 783 1.3.4.2 yamt 784 1.3.4.2 yamt return 0; 785 1.3.4.2 yamt 786 1.3.4.2 yamt fail: rt2560_free_rx_ring(sc, ring); 787 1.3.4.2 yamt return error; 788 1.3.4.2 yamt } 789 1.3.4.2 yamt 790 1.3.4.2 yamt void 791 1.3.4.2 yamt rt2560_reset_rx_ring(struct rt2560_softc *sc, struct rt2560_rx_ring *ring) 792 1.3.4.2 yamt { 793 1.3.4.2 yamt int i; 794 1.3.4.2 yamt 795 1.3.4.2 yamt for (i = 0; i < ring->count; i++) { 796 1.3.4.2 yamt ring->desc[i].flags = htole32(RT2560_RX_BUSY); 797 1.3.4.2 yamt ring->data[i].drop = 0; 798 1.3.4.2 yamt } 799 1.3.4.2 yamt 800 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, ring->map, 0, ring->map->dm_mapsize, 801 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 802 1.3.4.2 yamt 803 1.3.4.2 yamt ring->cur = ring->next = 0; 804 1.3.4.2 yamt ring->cur_decrypt = 0; 805 1.3.4.2 yamt } 806 1.3.4.2 yamt 807 1.3.4.2 yamt void 808 1.3.4.2 yamt rt2560_free_rx_ring(struct rt2560_softc *sc, struct rt2560_rx_ring *ring) 809 1.3.4.2 yamt { 810 1.3.4.2 yamt struct rt2560_rx_data *data; 811 1.3.4.2 yamt int i; 812 1.3.4.2 yamt 813 1.3.4.2 yamt if (ring->desc != NULL) { 814 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, ring->map, 0, 815 1.3.4.2 yamt ring->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 816 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, ring->map); 817 1.3.4.4 yamt bus_dmamem_unmap(sc->sc_dmat, (void *)ring->desc, 818 1.3.4.2 yamt ring->count * RT2560_RX_DESC_SIZE); 819 1.3.4.2 yamt bus_dmamem_free(sc->sc_dmat, &ring->seg, 1); 820 1.3.4.2 yamt } 821 1.3.4.2 yamt 822 1.3.4.2 yamt if (ring->data != NULL) { 823 1.3.4.2 yamt for (i = 0; i < ring->count; i++) { 824 1.3.4.2 yamt data = &ring->data[i]; 825 1.3.4.2 yamt 826 1.3.4.2 yamt if (data->m != NULL) { 827 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 828 1.3.4.2 yamt data->map->dm_mapsize, 829 1.3.4.2 yamt BUS_DMASYNC_POSTREAD); 830 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 831 1.3.4.2 yamt m_freem(data->m); 832 1.3.4.2 yamt } 833 1.3.4.2 yamt 834 1.3.4.2 yamt if (data->map != NULL) 835 1.3.4.2 yamt bus_dmamap_destroy(sc->sc_dmat, data->map); 836 1.3.4.2 yamt } 837 1.3.4.2 yamt free(ring->data, M_DEVBUF); 838 1.3.4.2 yamt } 839 1.3.4.2 yamt } 840 1.3.4.2 yamt 841 1.3.4.2 yamt struct ieee80211_node * 842 1.3.4.2 yamt rt2560_node_alloc(struct ieee80211_node_table *nt) 843 1.3.4.2 yamt { 844 1.3.4.2 yamt struct rt2560_node *rn; 845 1.3.4.2 yamt 846 1.3.4.2 yamt rn = malloc(sizeof (struct rt2560_node), M_80211_NODE, 847 1.3.4.2 yamt M_NOWAIT | M_ZERO); 848 1.3.4.2 yamt 849 1.3.4.2 yamt return (rn != NULL) ? &rn->ni : NULL; 850 1.3.4.2 yamt } 851 1.3.4.2 yamt 852 1.3.4.2 yamt int 853 1.3.4.2 yamt rt2560_media_change(struct ifnet *ifp) 854 1.3.4.2 yamt { 855 1.3.4.2 yamt int error; 856 1.3.4.2 yamt 857 1.3.4.2 yamt error = ieee80211_media_change(ifp); 858 1.3.4.2 yamt if (error != ENETRESET) 859 1.3.4.2 yamt return error; 860 1.3.4.2 yamt 861 1.3.4.2 yamt if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING)) 862 1.3.4.2 yamt rt2560_init(ifp); 863 1.3.4.2 yamt 864 1.3.4.2 yamt return 0; 865 1.3.4.2 yamt } 866 1.3.4.2 yamt 867 1.3.4.2 yamt /* 868 1.3.4.2 yamt * This function is called periodically (every 200ms) during scanning to 869 1.3.4.2 yamt * switch from one channel to another. 870 1.3.4.2 yamt */ 871 1.3.4.2 yamt void 872 1.3.4.2 yamt rt2560_next_scan(void *arg) 873 1.3.4.2 yamt { 874 1.3.4.2 yamt struct rt2560_softc *sc = arg; 875 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 876 1.3.4.2 yamt 877 1.3.4.2 yamt if (ic->ic_state == IEEE80211_S_SCAN) 878 1.3.4.2 yamt ieee80211_next_scan(ic); 879 1.3.4.2 yamt } 880 1.3.4.2 yamt 881 1.3.4.2 yamt /* 882 1.3.4.2 yamt * This function is called for each neighbor node. 883 1.3.4.2 yamt */ 884 1.3.4.2 yamt void 885 1.3.4.2 yamt rt2560_iter_func(void *arg, struct ieee80211_node *ni) 886 1.3.4.2 yamt { 887 1.3.4.2 yamt struct rt2560_node *rn = (struct rt2560_node *)ni; 888 1.3.4.2 yamt 889 1.3.4.2 yamt ieee80211_rssadapt_updatestats(&rn->rssadapt); 890 1.3.4.2 yamt } 891 1.3.4.2 yamt 892 1.3.4.2 yamt /* 893 1.3.4.2 yamt * This function is called periodically (every 100ms) in RUN state to update 894 1.3.4.2 yamt * the rate adaptation statistics. 895 1.3.4.2 yamt */ 896 1.3.4.2 yamt void 897 1.3.4.2 yamt rt2560_update_rssadapt(void *arg) 898 1.3.4.2 yamt { 899 1.3.4.2 yamt struct rt2560_softc *sc = arg; 900 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 901 1.3.4.2 yamt 902 1.3.4.2 yamt ieee80211_iterate_nodes(&ic->ic_sta, rt2560_iter_func, arg); 903 1.3.4.2 yamt 904 1.3.4.2 yamt callout_reset(&sc->rssadapt_ch, hz / 10, rt2560_update_rssadapt, sc); 905 1.3.4.2 yamt } 906 1.3.4.2 yamt 907 1.3.4.2 yamt int 908 1.3.4.2 yamt rt2560_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 909 1.3.4.2 yamt { 910 1.3.4.2 yamt struct rt2560_softc *sc = ic->ic_ifp->if_softc; 911 1.3.4.2 yamt enum ieee80211_state ostate; 912 1.3.4.2 yamt struct ieee80211_node *ni; 913 1.3.4.2 yamt struct mbuf *m; 914 1.3.4.2 yamt int error = 0; 915 1.3.4.2 yamt 916 1.3.4.2 yamt ostate = ic->ic_state; 917 1.3.4.2 yamt callout_stop(&sc->scan_ch); 918 1.3.4.2 yamt 919 1.3.4.2 yamt switch (nstate) { 920 1.3.4.2 yamt case IEEE80211_S_INIT: 921 1.3.4.2 yamt callout_stop(&sc->rssadapt_ch); 922 1.3.4.2 yamt 923 1.3.4.2 yamt if (ostate == IEEE80211_S_RUN) { 924 1.3.4.2 yamt /* abort TSF synchronization */ 925 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR14, 0); 926 1.3.4.2 yamt 927 1.3.4.2 yamt /* turn association led off */ 928 1.3.4.2 yamt rt2560_update_led(sc, 0, 0); 929 1.3.4.2 yamt } 930 1.3.4.2 yamt break; 931 1.3.4.2 yamt 932 1.3.4.2 yamt case IEEE80211_S_SCAN: 933 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_curchan); 934 1.3.4.2 yamt callout_reset(&sc->scan_ch, (sc->dwelltime * hz) / 1000, 935 1.3.4.2 yamt rt2560_next_scan, sc); 936 1.3.4.2 yamt break; 937 1.3.4.2 yamt 938 1.3.4.2 yamt case IEEE80211_S_AUTH: 939 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_curchan); 940 1.3.4.2 yamt break; 941 1.3.4.2 yamt 942 1.3.4.2 yamt case IEEE80211_S_ASSOC: 943 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_curchan); 944 1.3.4.2 yamt break; 945 1.3.4.2 yamt 946 1.3.4.2 yamt case IEEE80211_S_RUN: 947 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_curchan); 948 1.3.4.2 yamt 949 1.3.4.2 yamt ni = ic->ic_bss; 950 1.3.4.2 yamt 951 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_MONITOR) { 952 1.3.4.2 yamt rt2560_update_plcp(sc); 953 1.3.4.2 yamt rt2560_set_basicrates(sc); 954 1.3.4.2 yamt rt2560_set_bssid(sc, ni->ni_bssid); 955 1.3.4.2 yamt } 956 1.3.4.2 yamt 957 1.3.4.2 yamt if (ic->ic_opmode == IEEE80211_M_HOSTAP || 958 1.3.4.2 yamt ic->ic_opmode == IEEE80211_M_IBSS) { 959 1.3.4.2 yamt m = ieee80211_beacon_alloc(ic, ni, &sc->sc_bo); 960 1.3.4.2 yamt if (m == NULL) { 961 1.3.4.2 yamt printf("%s: could not allocate beacon\n", 962 1.3.4.2 yamt sc->sc_dev.dv_xname); 963 1.3.4.2 yamt error = ENOBUFS; 964 1.3.4.2 yamt break; 965 1.3.4.2 yamt } 966 1.3.4.2 yamt 967 1.3.4.2 yamt ieee80211_ref_node(ni); 968 1.3.4.2 yamt error = rt2560_tx_bcn(sc, m, ni); 969 1.3.4.2 yamt if (error != 0) 970 1.3.4.2 yamt break; 971 1.3.4.2 yamt } 972 1.3.4.2 yamt 973 1.3.4.2 yamt /* turn assocation led on */ 974 1.3.4.2 yamt rt2560_update_led(sc, 1, 0); 975 1.3.4.2 yamt 976 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_MONITOR) { 977 1.3.4.2 yamt callout_reset(&sc->rssadapt_ch, hz / 10, 978 1.3.4.2 yamt rt2560_update_rssadapt, sc); 979 1.3.4.2 yamt rt2560_enable_tsf_sync(sc); 980 1.3.4.2 yamt } 981 1.3.4.2 yamt break; 982 1.3.4.2 yamt } 983 1.3.4.2 yamt 984 1.3.4.2 yamt return (error != 0) ? error : sc->sc_newstate(ic, nstate, arg); 985 1.3.4.2 yamt } 986 1.3.4.2 yamt 987 1.3.4.2 yamt /* 988 1.3.4.2 yamt * Read 16 bits at address 'addr' from the serial EEPROM (either 93C46 or 989 1.3.4.2 yamt * 93C66). 990 1.3.4.2 yamt */ 991 1.3.4.2 yamt uint16_t 992 1.3.4.2 yamt rt2560_eeprom_read(struct rt2560_softc *sc, uint8_t addr) 993 1.3.4.2 yamt { 994 1.3.4.2 yamt uint32_t tmp; 995 1.3.4.2 yamt uint16_t val; 996 1.3.4.2 yamt int n; 997 1.3.4.2 yamt 998 1.3.4.2 yamt /* clock C once before the first command */ 999 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, 0); 1000 1.3.4.2 yamt 1001 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1002 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_C); 1003 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1004 1.3.4.2 yamt 1005 1.3.4.2 yamt /* write start bit (1) */ 1006 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_D); 1007 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_D | RT2560_C); 1008 1.3.4.2 yamt 1009 1.3.4.2 yamt /* write READ opcode (10) */ 1010 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_D); 1011 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_D | RT2560_C); 1012 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1013 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_C); 1014 1.3.4.2 yamt 1015 1.3.4.2 yamt /* write address (A5-A0 or A7-A0) */ 1016 1.3.4.2 yamt n = (RAL_READ(sc, RT2560_CSR21) & RT2560_93C46) ? 5 : 7; 1017 1.3.4.2 yamt for (; n >= 0; n--) { 1018 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | 1019 1.3.4.2 yamt (((addr >> n) & 1) << RT2560_SHIFT_D)); 1020 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | 1021 1.3.4.2 yamt (((addr >> n) & 1) << RT2560_SHIFT_D) | RT2560_C); 1022 1.3.4.2 yamt } 1023 1.3.4.2 yamt 1024 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1025 1.3.4.2 yamt 1026 1.3.4.2 yamt /* read data Q15-Q0 */ 1027 1.3.4.2 yamt val = 0; 1028 1.3.4.2 yamt for (n = 15; n >= 0; n--) { 1029 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S | RT2560_C); 1030 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_CSR21); 1031 1.3.4.2 yamt val |= ((tmp & RT2560_Q) >> RT2560_SHIFT_Q) << n; 1032 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1033 1.3.4.2 yamt } 1034 1.3.4.2 yamt 1035 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, 0); 1036 1.3.4.2 yamt 1037 1.3.4.2 yamt /* clear Chip Select and clock C */ 1038 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_S); 1039 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, 0); 1040 1.3.4.2 yamt RT2560_EEPROM_CTL(sc, RT2560_C); 1041 1.3.4.2 yamt 1042 1.3.4.2 yamt return val; 1043 1.3.4.2 yamt } 1044 1.3.4.2 yamt 1045 1.3.4.2 yamt /* 1046 1.3.4.2 yamt * Some frames were processed by the hardware cipher engine and are ready for 1047 1.3.4.2 yamt * transmission. 1048 1.3.4.2 yamt */ 1049 1.3.4.2 yamt void 1050 1.3.4.2 yamt rt2560_encryption_intr(struct rt2560_softc *sc) 1051 1.3.4.2 yamt { 1052 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1053 1.3.4.2 yamt int hw; 1054 1.3.4.2 yamt 1055 1.3.4.2 yamt /* retrieve last descriptor index processed by cipher engine */ 1056 1.3.4.2 yamt hw = (RAL_READ(sc, RT2560_SECCSR1) - sc->txq.physaddr) / 1057 1.3.4.2 yamt RT2560_TX_DESC_SIZE; 1058 1.3.4.2 yamt 1059 1.3.4.2 yamt for (; sc->txq.next_encrypt != hw;) { 1060 1.3.4.2 yamt desc = &sc->txq.desc[sc->txq.next_encrypt]; 1061 1.3.4.2 yamt 1062 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 1063 1.3.4.2 yamt sc->txq.next_encrypt * RT2560_TX_DESC_SIZE, 1064 1.3.4.2 yamt RT2560_TX_DESC_SIZE, BUS_DMASYNC_POSTREAD); 1065 1.3.4.2 yamt 1066 1.3.4.2 yamt if (le32toh(desc->flags) & 1067 1.3.4.2 yamt (RT2560_TX_BUSY | RT2560_TX_CIPHER_BUSY)) 1068 1.3.4.2 yamt break; 1069 1.3.4.2 yamt 1070 1.3.4.2 yamt /* for TKIP, swap eiv field to fix a bug in ASIC */ 1071 1.3.4.2 yamt if ((le32toh(desc->flags) & RT2560_TX_CIPHER_MASK) == 1072 1.3.4.2 yamt RT2560_TX_CIPHER_TKIP) 1073 1.3.4.2 yamt desc->eiv = bswap32(desc->eiv); 1074 1.3.4.2 yamt 1075 1.3.4.2 yamt /* mark the frame ready for transmission */ 1076 1.3.4.2 yamt desc->flags |= htole32(RT2560_TX_BUSY | RT2560_TX_VALID); 1077 1.3.4.2 yamt 1078 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 1079 1.3.4.2 yamt sc->txq.next_encrypt * RT2560_TX_DESC_SIZE, 1080 1.3.4.2 yamt RT2560_TX_DESC_SIZE, BUS_DMASYNC_PREWRITE); 1081 1.3.4.2 yamt 1082 1.3.4.2 yamt DPRINTFN(15, ("encryption done idx=%u\n", 1083 1.3.4.2 yamt sc->txq.next_encrypt)); 1084 1.3.4.2 yamt 1085 1.3.4.2 yamt sc->txq.next_encrypt = 1086 1.3.4.2 yamt (sc->txq.next_encrypt + 1) % RT2560_TX_RING_COUNT; 1087 1.3.4.2 yamt } 1088 1.3.4.2 yamt 1089 1.3.4.2 yamt /* kick Tx */ 1090 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR0, RT2560_KICK_TX); 1091 1.3.4.2 yamt } 1092 1.3.4.2 yamt 1093 1.3.4.2 yamt void 1094 1.3.4.2 yamt rt2560_tx_intr(struct rt2560_softc *sc) 1095 1.3.4.2 yamt { 1096 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1097 1.3.4.2 yamt struct ifnet *ifp = ic->ic_ifp; 1098 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1099 1.3.4.2 yamt struct rt2560_tx_data *data; 1100 1.3.4.2 yamt struct rt2560_node *rn; 1101 1.3.4.2 yamt 1102 1.3.4.2 yamt for (;;) { 1103 1.3.4.2 yamt desc = &sc->txq.desc[sc->txq.next]; 1104 1.3.4.2 yamt data = &sc->txq.data[sc->txq.next]; 1105 1.3.4.2 yamt 1106 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 1107 1.3.4.2 yamt sc->txq.next * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1108 1.3.4.2 yamt BUS_DMASYNC_POSTREAD); 1109 1.3.4.2 yamt 1110 1.3.4.2 yamt if ((le32toh(desc->flags) & RT2560_TX_BUSY) || 1111 1.3.4.2 yamt (le32toh(desc->flags) & RT2560_TX_CIPHER_BUSY) || 1112 1.3.4.2 yamt !(le32toh(desc->flags) & RT2560_TX_VALID)) 1113 1.3.4.2 yamt break; 1114 1.3.4.2 yamt 1115 1.3.4.2 yamt rn = (struct rt2560_node *)data->ni; 1116 1.3.4.2 yamt 1117 1.3.4.2 yamt switch (le32toh(desc->flags) & RT2560_TX_RESULT_MASK) { 1118 1.3.4.2 yamt case RT2560_TX_SUCCESS: 1119 1.3.4.2 yamt DPRINTFN(10, ("data frame sent successfully\n")); 1120 1.3.4.2 yamt if (data->id.id_node != NULL) { 1121 1.3.4.2 yamt ieee80211_rssadapt_raise_rate(ic, 1122 1.3.4.2 yamt &rn->rssadapt, &data->id); 1123 1.3.4.2 yamt } 1124 1.3.4.2 yamt ifp->if_opackets++; 1125 1.3.4.2 yamt break; 1126 1.3.4.2 yamt 1127 1.3.4.2 yamt case RT2560_TX_SUCCESS_RETRY: 1128 1.3.4.2 yamt DPRINTFN(9, ("data frame sent after %u retries\n", 1129 1.3.4.2 yamt (le32toh(desc->flags) >> 5) & 0x7)); 1130 1.3.4.2 yamt ifp->if_opackets++; 1131 1.3.4.2 yamt break; 1132 1.3.4.2 yamt 1133 1.3.4.2 yamt case RT2560_TX_FAIL_RETRY: 1134 1.3.4.2 yamt DPRINTFN(9, ("sending data frame failed (too much " 1135 1.3.4.2 yamt "retries)\n")); 1136 1.3.4.2 yamt if (data->id.id_node != NULL) { 1137 1.3.4.2 yamt ieee80211_rssadapt_lower_rate(ic, data->ni, 1138 1.3.4.2 yamt &rn->rssadapt, &data->id); 1139 1.3.4.2 yamt } 1140 1.3.4.2 yamt ifp->if_oerrors++; 1141 1.3.4.2 yamt break; 1142 1.3.4.2 yamt 1143 1.3.4.2 yamt case RT2560_TX_FAIL_INVALID: 1144 1.3.4.2 yamt case RT2560_TX_FAIL_OTHER: 1145 1.3.4.2 yamt default: 1146 1.3.4.2 yamt printf("%s: sending data frame failed 0x%08x\n", 1147 1.3.4.2 yamt sc->sc_dev.dv_xname, le32toh(desc->flags)); 1148 1.3.4.2 yamt ifp->if_oerrors++; 1149 1.3.4.2 yamt } 1150 1.3.4.2 yamt 1151 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 1152 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 1153 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 1154 1.3.4.2 yamt m_freem(data->m); 1155 1.3.4.2 yamt data->m = NULL; 1156 1.3.4.2 yamt ieee80211_free_node(data->ni); 1157 1.3.4.2 yamt data->ni = NULL; 1158 1.3.4.2 yamt 1159 1.3.4.2 yamt /* descriptor is no longer valid */ 1160 1.3.4.2 yamt desc->flags &= ~htole32(RT2560_TX_VALID); 1161 1.3.4.2 yamt 1162 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 1163 1.3.4.2 yamt sc->txq.next * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1164 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1165 1.3.4.2 yamt 1166 1.3.4.2 yamt DPRINTFN(15, ("tx done idx=%u\n", sc->txq.next)); 1167 1.3.4.2 yamt 1168 1.3.4.2 yamt sc->txq.queued--; 1169 1.3.4.2 yamt sc->txq.next = (sc->txq.next + 1) % RT2560_TX_RING_COUNT; 1170 1.3.4.2 yamt } 1171 1.3.4.2 yamt 1172 1.3.4.2 yamt sc->sc_tx_timer = 0; 1173 1.3.4.2 yamt ifp->if_flags &= ~IFF_OACTIVE; 1174 1.3.4.2 yamt rt2560_start(ifp); 1175 1.3.4.2 yamt } 1176 1.3.4.2 yamt 1177 1.3.4.2 yamt void 1178 1.3.4.2 yamt rt2560_prio_intr(struct rt2560_softc *sc) 1179 1.3.4.2 yamt { 1180 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1181 1.3.4.2 yamt struct ifnet *ifp = ic->ic_ifp; 1182 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1183 1.3.4.2 yamt struct rt2560_tx_data *data; 1184 1.3.4.2 yamt 1185 1.3.4.2 yamt for (;;) { 1186 1.3.4.2 yamt desc = &sc->prioq.desc[sc->prioq.next]; 1187 1.3.4.2 yamt data = &sc->prioq.data[sc->prioq.next]; 1188 1.3.4.2 yamt 1189 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->prioq.map, 1190 1.3.4.2 yamt sc->prioq.next * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1191 1.3.4.2 yamt BUS_DMASYNC_POSTREAD); 1192 1.3.4.2 yamt 1193 1.3.4.2 yamt if ((le32toh(desc->flags) & RT2560_TX_BUSY) || 1194 1.3.4.2 yamt !(le32toh(desc->flags) & RT2560_TX_VALID)) 1195 1.3.4.2 yamt break; 1196 1.3.4.2 yamt 1197 1.3.4.2 yamt switch (le32toh(desc->flags) & RT2560_TX_RESULT_MASK) { 1198 1.3.4.2 yamt case RT2560_TX_SUCCESS: 1199 1.3.4.2 yamt DPRINTFN(10, ("mgt frame sent successfully\n")); 1200 1.3.4.2 yamt break; 1201 1.3.4.2 yamt 1202 1.3.4.2 yamt case RT2560_TX_SUCCESS_RETRY: 1203 1.3.4.2 yamt DPRINTFN(9, ("mgt frame sent after %u retries\n", 1204 1.3.4.2 yamt (le32toh(desc->flags) >> 5) & 0x7)); 1205 1.3.4.2 yamt break; 1206 1.3.4.2 yamt 1207 1.3.4.2 yamt case RT2560_TX_FAIL_RETRY: 1208 1.3.4.2 yamt DPRINTFN(9, ("sending mgt frame failed (too much " 1209 1.3.4.2 yamt "retries)\n")); 1210 1.3.4.2 yamt break; 1211 1.3.4.2 yamt 1212 1.3.4.2 yamt case RT2560_TX_FAIL_INVALID: 1213 1.3.4.2 yamt case RT2560_TX_FAIL_OTHER: 1214 1.3.4.2 yamt default: 1215 1.3.4.2 yamt printf("%s: sending mgt frame failed 0x%08x\n", 1216 1.3.4.2 yamt sc->sc_dev.dv_xname, le32toh(desc->flags)); 1217 1.3.4.2 yamt } 1218 1.3.4.2 yamt 1219 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 1220 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 1221 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 1222 1.3.4.2 yamt m_freem(data->m); 1223 1.3.4.2 yamt data->m = NULL; 1224 1.3.4.2 yamt ieee80211_free_node(data->ni); 1225 1.3.4.2 yamt data->ni = NULL; 1226 1.3.4.2 yamt 1227 1.3.4.2 yamt /* descriptor is no longer valid */ 1228 1.3.4.2 yamt desc->flags &= ~htole32(RT2560_TX_VALID); 1229 1.3.4.2 yamt 1230 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->prioq.map, 1231 1.3.4.2 yamt sc->prioq.next * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1232 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1233 1.3.4.2 yamt 1234 1.3.4.2 yamt DPRINTFN(15, ("prio done idx=%u\n", sc->prioq.next)); 1235 1.3.4.2 yamt 1236 1.3.4.2 yamt sc->prioq.queued--; 1237 1.3.4.2 yamt sc->prioq.next = (sc->prioq.next + 1) % RT2560_PRIO_RING_COUNT; 1238 1.3.4.2 yamt } 1239 1.3.4.2 yamt 1240 1.3.4.2 yamt sc->sc_tx_timer = 0; 1241 1.3.4.2 yamt ifp->if_flags &= ~IFF_OACTIVE; 1242 1.3.4.2 yamt rt2560_start(ifp); 1243 1.3.4.2 yamt } 1244 1.3.4.2 yamt 1245 1.3.4.2 yamt /* 1246 1.3.4.2 yamt * Some frames were processed by the hardware cipher engine and are ready for 1247 1.3.4.2 yamt * transmission to the IEEE802.11 layer. 1248 1.3.4.2 yamt */ 1249 1.3.4.2 yamt void 1250 1.3.4.2 yamt rt2560_decryption_intr(struct rt2560_softc *sc) 1251 1.3.4.2 yamt { 1252 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1253 1.3.4.2 yamt struct ifnet *ifp = ic->ic_ifp; 1254 1.3.4.2 yamt struct rt2560_rx_desc *desc; 1255 1.3.4.2 yamt struct rt2560_rx_data *data; 1256 1.3.4.2 yamt struct rt2560_node *rn; 1257 1.3.4.2 yamt struct ieee80211_frame *wh; 1258 1.3.4.2 yamt struct ieee80211_node *ni; 1259 1.3.4.2 yamt struct mbuf *mnew, *m; 1260 1.3.4.2 yamt int hw, error; 1261 1.3.4.2 yamt 1262 1.3.4.2 yamt /* retrieve last decriptor index processed by cipher engine */ 1263 1.3.4.2 yamt hw = (RAL_READ(sc, RT2560_SECCSR0) - sc->rxq.physaddr) / 1264 1.3.4.2 yamt RT2560_RX_DESC_SIZE; 1265 1.3.4.2 yamt 1266 1.3.4.2 yamt for (; sc->rxq.cur_decrypt != hw;) { 1267 1.3.4.2 yamt desc = &sc->rxq.desc[sc->rxq.cur_decrypt]; 1268 1.3.4.2 yamt data = &sc->rxq.data[sc->rxq.cur_decrypt]; 1269 1.3.4.2 yamt 1270 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->rxq.map, 1271 1.3.4.2 yamt sc->rxq.cur_decrypt * RT2560_TX_DESC_SIZE, 1272 1.3.4.2 yamt RT2560_TX_DESC_SIZE, BUS_DMASYNC_POSTREAD); 1273 1.3.4.2 yamt 1274 1.3.4.2 yamt if (le32toh(desc->flags) & 1275 1.3.4.2 yamt (RT2560_RX_BUSY | RT2560_RX_CIPHER_BUSY)) 1276 1.3.4.2 yamt break; 1277 1.3.4.2 yamt 1278 1.3.4.2 yamt if (data->drop) { 1279 1.3.4.2 yamt ifp->if_ierrors++; 1280 1.3.4.2 yamt goto skip; 1281 1.3.4.2 yamt } 1282 1.3.4.2 yamt 1283 1.3.4.2 yamt if ((le32toh(desc->flags) & RT2560_RX_CIPHER_MASK) != 0 && 1284 1.3.4.2 yamt (le32toh(desc->flags) & RT2560_RX_ICV_ERROR)) { 1285 1.3.4.2 yamt ifp->if_ierrors++; 1286 1.3.4.2 yamt goto skip; 1287 1.3.4.2 yamt } 1288 1.3.4.2 yamt 1289 1.3.4.2 yamt /* 1290 1.3.4.2 yamt * Try to allocate a new mbuf for this ring element and load it 1291 1.3.4.2 yamt * before processing the current mbuf. If the ring element 1292 1.3.4.2 yamt * cannot be loaded, drop the received packet and reuse the old 1293 1.3.4.2 yamt * mbuf. In the unlikely case that the old mbuf can't be 1294 1.3.4.2 yamt * reloaded either, explicitly panic. 1295 1.3.4.2 yamt */ 1296 1.3.4.2 yamt MGETHDR(mnew, M_DONTWAIT, MT_DATA); 1297 1.3.4.2 yamt if (mnew == NULL) { 1298 1.3.4.2 yamt ifp->if_ierrors++; 1299 1.3.4.2 yamt goto skip; 1300 1.3.4.2 yamt } 1301 1.3.4.2 yamt 1302 1.3.4.2 yamt MCLGET(mnew, M_DONTWAIT); 1303 1.3.4.2 yamt if (!(mnew->m_flags & M_EXT)) { 1304 1.3.4.2 yamt m_freem(mnew); 1305 1.3.4.2 yamt ifp->if_ierrors++; 1306 1.3.4.2 yamt goto skip; 1307 1.3.4.2 yamt } 1308 1.3.4.2 yamt 1309 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 1310 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_POSTREAD); 1311 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 1312 1.3.4.2 yamt 1313 1.3.4.2 yamt error = bus_dmamap_load(sc->sc_dmat, data->map, 1314 1.3.4.2 yamt mtod(mnew, void *), MCLBYTES, NULL, BUS_DMA_NOWAIT); 1315 1.3.4.2 yamt if (error != 0) { 1316 1.3.4.2 yamt m_freem(mnew); 1317 1.3.4.2 yamt 1318 1.3.4.2 yamt /* try to reload the old mbuf */ 1319 1.3.4.2 yamt error = bus_dmamap_load(sc->sc_dmat, data->map, 1320 1.3.4.2 yamt mtod(data->m, void *), MCLBYTES, NULL, 1321 1.3.4.2 yamt BUS_DMA_NOWAIT); 1322 1.3.4.2 yamt if (error != 0) { 1323 1.3.4.2 yamt /* very unlikely that it will fail... */ 1324 1.3.4.2 yamt panic("%s: could not load old rx mbuf", 1325 1.3.4.2 yamt sc->sc_dev.dv_xname); 1326 1.3.4.2 yamt } 1327 1.3.4.7 yamt /* physical address may have changed */ 1328 1.3.4.7 yamt desc->physaddr = htole32(data->map->dm_segs->ds_addr); 1329 1.3.4.2 yamt ifp->if_ierrors++; 1330 1.3.4.2 yamt goto skip; 1331 1.3.4.2 yamt } 1332 1.3.4.2 yamt 1333 1.3.4.2 yamt /* 1334 1.3.4.2 yamt * New mbuf successfully loaded, update Rx ring and continue 1335 1.3.4.2 yamt * processing. 1336 1.3.4.2 yamt */ 1337 1.3.4.2 yamt m = data->m; 1338 1.3.4.2 yamt data->m = mnew; 1339 1.3.4.2 yamt desc->physaddr = htole32(data->map->dm_segs->ds_addr); 1340 1.3.4.2 yamt 1341 1.3.4.2 yamt /* finalize mbuf */ 1342 1.3.4.2 yamt m->m_pkthdr.rcvif = ifp; 1343 1.3.4.2 yamt m->m_pkthdr.len = m->m_len = 1344 1.3.4.2 yamt (le32toh(desc->flags) >> 16) & 0xfff; 1345 1.3.4.2 yamt 1346 1.3.4.2 yamt #if NBPFILTER > 0 1347 1.3.4.2 yamt if (sc->sc_drvbpf != NULL) { 1348 1.3.4.2 yamt struct rt2560_rx_radiotap_header *tap = &sc->sc_rxtap; 1349 1.3.4.2 yamt uint32_t tsf_lo, tsf_hi; 1350 1.3.4.2 yamt 1351 1.3.4.2 yamt /* get timestamp (low and high 32 bits) */ 1352 1.3.4.2 yamt tsf_hi = RAL_READ(sc, RT2560_CSR17); 1353 1.3.4.2 yamt tsf_lo = RAL_READ(sc, RT2560_CSR16); 1354 1.3.4.2 yamt 1355 1.3.4.2 yamt tap->wr_tsf = 1356 1.3.4.2 yamt htole64(((uint64_t)tsf_hi << 32) | tsf_lo); 1357 1.3.4.2 yamt tap->wr_flags = 0; 1358 1.3.4.2 yamt tap->wr_rate = rt2560_rxrate(desc); 1359 1.3.4.2 yamt tap->wr_chan_freq = htole16(ic->ic_ibss_chan->ic_freq); 1360 1.3.4.2 yamt tap->wr_chan_flags = 1361 1.3.4.2 yamt htole16(ic->ic_ibss_chan->ic_flags); 1362 1.3.4.2 yamt tap->wr_antenna = sc->rx_ant; 1363 1.3.4.2 yamt tap->wr_antsignal = desc->rssi; 1364 1.3.4.2 yamt 1365 1.3.4.4 yamt bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 1366 1.3.4.2 yamt } 1367 1.3.4.2 yamt #endif 1368 1.3.4.2 yamt 1369 1.3.4.2 yamt wh = mtod(m, struct ieee80211_frame *); 1370 1.3.4.2 yamt ni = ieee80211_find_rxnode(ic, 1371 1.3.4.2 yamt (struct ieee80211_frame_min *)wh); 1372 1.3.4.2 yamt 1373 1.3.4.2 yamt /* send the frame to the 802.11 layer */ 1374 1.3.4.2 yamt ieee80211_input(ic, m, ni, desc->rssi, 0); 1375 1.3.4.2 yamt 1376 1.3.4.2 yamt /* give rssi to the rate adatation algorithm */ 1377 1.3.4.2 yamt rn = (struct rt2560_node *)ni; 1378 1.3.4.2 yamt ieee80211_rssadapt_input(ic, ni, &rn->rssadapt, desc->rssi); 1379 1.3.4.2 yamt 1380 1.3.4.2 yamt /* node is no longer needed */ 1381 1.3.4.2 yamt ieee80211_free_node(ni); 1382 1.3.4.2 yamt 1383 1.3.4.2 yamt skip: desc->flags = htole32(RT2560_RX_BUSY); 1384 1.3.4.2 yamt 1385 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->rxq.map, 1386 1.3.4.2 yamt sc->rxq.cur_decrypt * RT2560_TX_DESC_SIZE, 1387 1.3.4.2 yamt RT2560_TX_DESC_SIZE, BUS_DMASYNC_PREWRITE); 1388 1.3.4.2 yamt 1389 1.3.4.2 yamt DPRINTFN(15, ("decryption done idx=%u\n", sc->rxq.cur_decrypt)); 1390 1.3.4.2 yamt 1391 1.3.4.2 yamt sc->rxq.cur_decrypt = 1392 1.3.4.2 yamt (sc->rxq.cur_decrypt + 1) % RT2560_RX_RING_COUNT; 1393 1.3.4.2 yamt } 1394 1.3.4.2 yamt 1395 1.3.4.2 yamt /* 1396 1.3.4.2 yamt * In HostAP mode, ieee80211_input() will enqueue packets in if_snd 1397 1.3.4.2 yamt * without calling if_start(). 1398 1.3.4.2 yamt */ 1399 1.3.4.2 yamt if (!IFQ_IS_EMPTY(&ifp->if_snd) && !(ifp->if_flags & IFF_OACTIVE)) 1400 1.3.4.2 yamt rt2560_start(ifp); 1401 1.3.4.2 yamt } 1402 1.3.4.2 yamt 1403 1.3.4.2 yamt /* 1404 1.3.4.2 yamt * Some frames were received. Pass them to the hardware cipher engine before 1405 1.3.4.2 yamt * sending them to the 802.11 layer. 1406 1.3.4.2 yamt */ 1407 1.3.4.2 yamt void 1408 1.3.4.2 yamt rt2560_rx_intr(struct rt2560_softc *sc) 1409 1.3.4.2 yamt { 1410 1.3.4.2 yamt struct rt2560_rx_desc *desc; 1411 1.3.4.2 yamt struct rt2560_rx_data *data; 1412 1.3.4.2 yamt 1413 1.3.4.2 yamt for (;;) { 1414 1.3.4.2 yamt desc = &sc->rxq.desc[sc->rxq.cur]; 1415 1.3.4.2 yamt data = &sc->rxq.data[sc->rxq.cur]; 1416 1.3.4.2 yamt 1417 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->rxq.map, 1418 1.3.4.2 yamt sc->rxq.cur * RT2560_RX_DESC_SIZE, RT2560_RX_DESC_SIZE, 1419 1.3.4.2 yamt BUS_DMASYNC_POSTREAD); 1420 1.3.4.2 yamt 1421 1.3.4.2 yamt if (le32toh(desc->flags) & 1422 1.3.4.2 yamt (RT2560_RX_BUSY | RT2560_RX_CIPHER_BUSY)) 1423 1.3.4.2 yamt break; 1424 1.3.4.2 yamt 1425 1.3.4.2 yamt data->drop = 0; 1426 1.3.4.2 yamt 1427 1.3.4.2 yamt if (le32toh(desc->flags) & 1428 1.3.4.2 yamt (RT2560_RX_PHY_ERROR | RT2560_RX_CRC_ERROR)) { 1429 1.3.4.2 yamt /* 1430 1.3.4.2 yamt * This should not happen since we did not request 1431 1.3.4.2 yamt * to receive those frames when we filled RXCSR0. 1432 1.3.4.2 yamt */ 1433 1.3.4.2 yamt DPRINTFN(5, ("PHY or CRC error flags 0x%08x\n", 1434 1.3.4.2 yamt le32toh(desc->flags))); 1435 1.3.4.2 yamt data->drop = 1; 1436 1.3.4.2 yamt } 1437 1.3.4.2 yamt 1438 1.3.4.2 yamt if (((le32toh(desc->flags) >> 16) & 0xfff) > MCLBYTES) { 1439 1.3.4.2 yamt DPRINTFN(5, ("bad length\n")); 1440 1.3.4.2 yamt data->drop = 1; 1441 1.3.4.2 yamt } 1442 1.3.4.2 yamt 1443 1.3.4.2 yamt /* mark the frame for decryption */ 1444 1.3.4.2 yamt desc->flags |= htole32(RT2560_RX_CIPHER_BUSY); 1445 1.3.4.2 yamt 1446 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->rxq.map, 1447 1.3.4.2 yamt sc->rxq.cur * RT2560_RX_DESC_SIZE, RT2560_RX_DESC_SIZE, 1448 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1449 1.3.4.2 yamt 1450 1.3.4.2 yamt DPRINTFN(15, ("rx done idx=%u\n", sc->rxq.cur)); 1451 1.3.4.2 yamt 1452 1.3.4.2 yamt sc->rxq.cur = (sc->rxq.cur + 1) % RT2560_RX_RING_COUNT; 1453 1.3.4.2 yamt } 1454 1.3.4.2 yamt 1455 1.3.4.2 yamt /* kick decrypt */ 1456 1.3.4.2 yamt RAL_WRITE(sc, RT2560_SECCSR0, RT2560_KICK_DECRYPT); 1457 1.3.4.2 yamt } 1458 1.3.4.2 yamt 1459 1.3.4.2 yamt /* 1460 1.3.4.2 yamt * This function is called periodically in IBSS mode when a new beacon must be 1461 1.3.4.2 yamt * sent out. 1462 1.3.4.2 yamt */ 1463 1.3.4.2 yamt static void 1464 1.3.4.2 yamt rt2560_beacon_expire(struct rt2560_softc *sc) 1465 1.3.4.2 yamt { 1466 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1467 1.3.4.2 yamt struct rt2560_tx_data *data; 1468 1.3.4.2 yamt 1469 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_IBSS && 1470 1.3.4.2 yamt ic->ic_opmode != IEEE80211_M_HOSTAP) 1471 1.3.4.2 yamt return; 1472 1.3.4.2 yamt 1473 1.3.4.2 yamt data = &sc->bcnq.data[sc->bcnq.next]; 1474 1.3.4.2 yamt 1475 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 1476 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_POSTWRITE); 1477 1.3.4.2 yamt bus_dmamap_unload(sc->sc_dmat, data->map); 1478 1.3.4.2 yamt 1479 1.3.4.2 yamt ieee80211_beacon_update(ic, data->ni, &sc->sc_bo, data->m, 1); 1480 1.3.4.2 yamt 1481 1.3.4.2 yamt #if NBPFILTER > 0 1482 1.3.4.2 yamt if (ic->ic_rawbpf != NULL) 1483 1.3.4.2 yamt bpf_mtap(ic->ic_rawbpf, data->m); 1484 1.3.4.2 yamt #endif 1485 1.3.4.2 yamt rt2560_tx_bcn(sc, data->m, data->ni); 1486 1.3.4.2 yamt 1487 1.3.4.2 yamt DPRINTFN(15, ("beacon expired\n")); 1488 1.3.4.2 yamt 1489 1.3.4.2 yamt sc->bcnq.next = (sc->bcnq.next + 1) % RT2560_BEACON_RING_COUNT; 1490 1.3.4.2 yamt } 1491 1.3.4.2 yamt 1492 1.3.4.2 yamt static void 1493 1.3.4.2 yamt rt2560_wakeup_expire(struct rt2560_softc *sc) 1494 1.3.4.2 yamt { 1495 1.3.4.2 yamt DPRINTFN(15, ("wakeup expired\n")); 1496 1.3.4.2 yamt } 1497 1.3.4.2 yamt 1498 1.3.4.2 yamt int 1499 1.3.4.2 yamt rt2560_intr(void *arg) 1500 1.3.4.2 yamt { 1501 1.3.4.2 yamt struct rt2560_softc *sc = arg; 1502 1.3.4.2 yamt struct ifnet *ifp = &sc->sc_if; 1503 1.3.4.2 yamt uint32_t r; 1504 1.3.4.2 yamt 1505 1.3.4.6 yamt if (!device_is_active(&sc->sc_dev)) 1506 1.3.4.6 yamt return 0; 1507 1.3.4.6 yamt 1508 1.3.4.7 yamt if ((r = RAL_READ(sc, RT2560_CSR7)) == 0) 1509 1.3.4.7 yamt return 0; /* not for us */ 1510 1.3.4.7 yamt 1511 1.3.4.2 yamt /* disable interrupts */ 1512 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR8, 0xffffffff); 1513 1.3.4.2 yamt 1514 1.3.4.7 yamt /* acknowledge interrupts */ 1515 1.3.4.7 yamt RAL_WRITE(sc, RT2560_CSR7, r); 1516 1.3.4.7 yamt 1517 1.3.4.2 yamt /* don't re-enable interrupts if we're shutting down */ 1518 1.3.4.2 yamt if (!(ifp->if_flags & IFF_RUNNING)) 1519 1.3.4.2 yamt return 0; 1520 1.3.4.2 yamt 1521 1.3.4.2 yamt if (r & RT2560_BEACON_EXPIRE) 1522 1.3.4.2 yamt rt2560_beacon_expire(sc); 1523 1.3.4.2 yamt 1524 1.3.4.2 yamt if (r & RT2560_WAKEUP_EXPIRE) 1525 1.3.4.2 yamt rt2560_wakeup_expire(sc); 1526 1.3.4.2 yamt 1527 1.3.4.2 yamt if (r & RT2560_ENCRYPTION_DONE) 1528 1.3.4.2 yamt rt2560_encryption_intr(sc); 1529 1.3.4.2 yamt 1530 1.3.4.2 yamt if (r & RT2560_TX_DONE) 1531 1.3.4.2 yamt rt2560_tx_intr(sc); 1532 1.3.4.2 yamt 1533 1.3.4.2 yamt if (r & RT2560_PRIO_DONE) 1534 1.3.4.2 yamt rt2560_prio_intr(sc); 1535 1.3.4.2 yamt 1536 1.3.4.2 yamt if (r & RT2560_DECRYPTION_DONE) 1537 1.3.4.2 yamt rt2560_decryption_intr(sc); 1538 1.3.4.2 yamt 1539 1.3.4.2 yamt if (r & RT2560_RX_DONE) 1540 1.3.4.2 yamt rt2560_rx_intr(sc); 1541 1.3.4.2 yamt 1542 1.3.4.2 yamt /* re-enable interrupts */ 1543 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR8, RT2560_INTR_MASK); 1544 1.3.4.2 yamt 1545 1.3.4.2 yamt return 1; 1546 1.3.4.2 yamt } 1547 1.3.4.2 yamt 1548 1.3.4.2 yamt /* quickly determine if a given rate is CCK or OFDM */ 1549 1.3.4.2 yamt #define RAL_RATE_IS_OFDM(rate) ((rate) >= 12 && (rate) != 22) 1550 1.3.4.2 yamt 1551 1.3.4.2 yamt #define RAL_ACK_SIZE 14 /* 10 + 4(FCS) */ 1552 1.3.4.2 yamt #define RAL_CTS_SIZE 14 /* 10 + 4(FCS) */ 1553 1.3.4.2 yamt 1554 1.3.4.2 yamt #define RAL_SIFS 10 /* us */ 1555 1.3.4.2 yamt 1556 1.3.4.2 yamt #define RT2560_RXTX_TURNAROUND 10 /* us */ 1557 1.3.4.2 yamt 1558 1.3.4.2 yamt /* 1559 1.3.4.2 yamt * This function is only used by the Rx radiotap code. It returns the rate at 1560 1.3.4.2 yamt * which a given frame was received. 1561 1.3.4.2 yamt */ 1562 1.3.4.2 yamt #if NBPFILTER > 0 1563 1.3.4.2 yamt static uint8_t 1564 1.3.4.2 yamt rt2560_rxrate(struct rt2560_rx_desc *desc) 1565 1.3.4.2 yamt { 1566 1.3.4.2 yamt if (le32toh(desc->flags) & RT2560_RX_OFDM) { 1567 1.3.4.2 yamt /* reverse function of rt2560_plcp_signal */ 1568 1.3.4.2 yamt switch (desc->rate) { 1569 1.3.4.2 yamt case 0xb: return 12; 1570 1.3.4.2 yamt case 0xf: return 18; 1571 1.3.4.2 yamt case 0xa: return 24; 1572 1.3.4.2 yamt case 0xe: return 36; 1573 1.3.4.2 yamt case 0x9: return 48; 1574 1.3.4.2 yamt case 0xd: return 72; 1575 1.3.4.2 yamt case 0x8: return 96; 1576 1.3.4.2 yamt case 0xc: return 108; 1577 1.3.4.2 yamt } 1578 1.3.4.2 yamt } else { 1579 1.3.4.2 yamt if (desc->rate == 10) 1580 1.3.4.2 yamt return 2; 1581 1.3.4.2 yamt if (desc->rate == 20) 1582 1.3.4.2 yamt return 4; 1583 1.3.4.2 yamt if (desc->rate == 55) 1584 1.3.4.2 yamt return 11; 1585 1.3.4.2 yamt if (desc->rate == 110) 1586 1.3.4.2 yamt return 22; 1587 1.3.4.2 yamt } 1588 1.3.4.2 yamt return 2; /* should not get there */ 1589 1.3.4.2 yamt } 1590 1.3.4.2 yamt #endif 1591 1.3.4.2 yamt 1592 1.3.4.2 yamt /* 1593 1.3.4.2 yamt * Return the expected ack rate for a frame transmitted at rate `rate'. 1594 1.3.4.2 yamt * XXX: this should depend on the destination node basic rate set. 1595 1.3.4.2 yamt */ 1596 1.3.4.2 yamt static int 1597 1.3.4.2 yamt rt2560_ack_rate(struct ieee80211com *ic, int rate) 1598 1.3.4.2 yamt { 1599 1.3.4.2 yamt switch (rate) { 1600 1.3.4.2 yamt /* CCK rates */ 1601 1.3.4.2 yamt case 2: 1602 1.3.4.2 yamt return 2; 1603 1.3.4.2 yamt case 4: 1604 1.3.4.2 yamt case 11: 1605 1.3.4.2 yamt case 22: 1606 1.3.4.2 yamt return (ic->ic_curmode == IEEE80211_MODE_11B) ? 4 : rate; 1607 1.3.4.2 yamt 1608 1.3.4.2 yamt /* OFDM rates */ 1609 1.3.4.2 yamt case 12: 1610 1.3.4.2 yamt case 18: 1611 1.3.4.2 yamt return 12; 1612 1.3.4.2 yamt case 24: 1613 1.3.4.2 yamt case 36: 1614 1.3.4.2 yamt return 24; 1615 1.3.4.2 yamt case 48: 1616 1.3.4.2 yamt case 72: 1617 1.3.4.2 yamt case 96: 1618 1.3.4.2 yamt case 108: 1619 1.3.4.2 yamt return 48; 1620 1.3.4.2 yamt } 1621 1.3.4.2 yamt 1622 1.3.4.2 yamt /* default to 1Mbps */ 1623 1.3.4.2 yamt return 2; 1624 1.3.4.2 yamt } 1625 1.3.4.2 yamt 1626 1.3.4.2 yamt /* 1627 1.3.4.2 yamt * Compute the duration (in us) needed to transmit `len' bytes at rate `rate'. 1628 1.3.4.2 yamt * The function automatically determines the operating mode depending on the 1629 1.3.4.2 yamt * given rate. `flags' indicates whether short preamble is in use or not. 1630 1.3.4.2 yamt */ 1631 1.3.4.2 yamt static uint16_t 1632 1.3.4.2 yamt rt2560_txtime(int len, int rate, uint32_t flags) 1633 1.3.4.2 yamt { 1634 1.3.4.2 yamt uint16_t txtime; 1635 1.3.4.2 yamt 1636 1.3.4.2 yamt if (RAL_RATE_IS_OFDM(rate)) { 1637 1.3.4.2 yamt /* IEEE Std 802.11a-1999, pp. 37 */ 1638 1.3.4.2 yamt txtime = (8 + 4 * len + 3 + rate - 1) / rate; 1639 1.3.4.2 yamt txtime = 16 + 4 + 4 * txtime + 6; 1640 1.3.4.2 yamt } else { 1641 1.3.4.2 yamt /* IEEE Std 802.11b-1999, pp. 28 */ 1642 1.3.4.2 yamt txtime = (16 * len + rate - 1) / rate; 1643 1.3.4.2 yamt if (rate != 2 && (flags & IEEE80211_F_SHPREAMBLE)) 1644 1.3.4.2 yamt txtime += 72 + 24; 1645 1.3.4.2 yamt else 1646 1.3.4.2 yamt txtime += 144 + 48; 1647 1.3.4.2 yamt } 1648 1.3.4.2 yamt return txtime; 1649 1.3.4.2 yamt } 1650 1.3.4.2 yamt 1651 1.3.4.2 yamt static uint8_t 1652 1.3.4.2 yamt rt2560_plcp_signal(int rate) 1653 1.3.4.2 yamt { 1654 1.3.4.2 yamt switch (rate) { 1655 1.3.4.2 yamt /* CCK rates (returned values are device-dependent) */ 1656 1.3.4.2 yamt case 2: return 0x0; 1657 1.3.4.2 yamt case 4: return 0x1; 1658 1.3.4.2 yamt case 11: return 0x2; 1659 1.3.4.2 yamt case 22: return 0x3; 1660 1.3.4.2 yamt 1661 1.3.4.2 yamt /* OFDM rates (cf IEEE Std 802.11a-1999, pp. 14 Table 80) */ 1662 1.3.4.2 yamt case 12: return 0xb; 1663 1.3.4.2 yamt case 18: return 0xf; 1664 1.3.4.2 yamt case 24: return 0xa; 1665 1.3.4.2 yamt case 36: return 0xe; 1666 1.3.4.2 yamt case 48: return 0x9; 1667 1.3.4.2 yamt case 72: return 0xd; 1668 1.3.4.2 yamt case 96: return 0x8; 1669 1.3.4.2 yamt case 108: return 0xc; 1670 1.3.4.2 yamt 1671 1.3.4.2 yamt /* unsupported rates (should not get there) */ 1672 1.3.4.2 yamt default: return 0xff; 1673 1.3.4.2 yamt } 1674 1.3.4.2 yamt } 1675 1.3.4.2 yamt 1676 1.3.4.2 yamt static void 1677 1.3.4.2 yamt rt2560_setup_tx_desc(struct rt2560_softc *sc, struct rt2560_tx_desc *desc, 1678 1.3.4.2 yamt uint32_t flags, int len, int rate, int encrypt, bus_addr_t physaddr) 1679 1.3.4.2 yamt { 1680 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1681 1.3.4.2 yamt uint16_t plcp_length; 1682 1.3.4.2 yamt int remainder; 1683 1.3.4.2 yamt 1684 1.3.4.2 yamt desc->flags = htole32(flags); 1685 1.3.4.2 yamt desc->flags |= htole32(len << 16); 1686 1.3.4.2 yamt desc->flags |= encrypt ? htole32(RT2560_TX_CIPHER_BUSY) : 1687 1.3.4.2 yamt htole32(RT2560_TX_BUSY | RT2560_TX_VALID); 1688 1.3.4.2 yamt 1689 1.3.4.2 yamt desc->physaddr = htole32(physaddr); 1690 1.3.4.2 yamt desc->wme = htole16( 1691 1.3.4.2 yamt RT2560_AIFSN(2) | 1692 1.3.4.2 yamt RT2560_LOGCWMIN(3) | 1693 1.3.4.2 yamt RT2560_LOGCWMAX(8)); 1694 1.3.4.2 yamt 1695 1.3.4.2 yamt /* setup PLCP fields */ 1696 1.3.4.2 yamt desc->plcp_signal = rt2560_plcp_signal(rate); 1697 1.3.4.2 yamt desc->plcp_service = 4; 1698 1.3.4.2 yamt 1699 1.3.4.2 yamt len += IEEE80211_CRC_LEN; 1700 1.3.4.2 yamt if (RAL_RATE_IS_OFDM(rate)) { 1701 1.3.4.2 yamt desc->flags |= htole32(RT2560_TX_OFDM); 1702 1.3.4.2 yamt 1703 1.3.4.2 yamt plcp_length = len & 0xfff; 1704 1.3.4.2 yamt desc->plcp_length_hi = plcp_length >> 6; 1705 1.3.4.2 yamt desc->plcp_length_lo = plcp_length & 0x3f; 1706 1.3.4.2 yamt } else { 1707 1.3.4.2 yamt plcp_length = (16 * len + rate - 1) / rate; 1708 1.3.4.2 yamt if (rate == 22) { 1709 1.3.4.2 yamt remainder = (16 * len) % 22; 1710 1.3.4.2 yamt if (remainder != 0 && remainder < 7) 1711 1.3.4.2 yamt desc->plcp_service |= RT2560_PLCP_LENGEXT; 1712 1.3.4.2 yamt } 1713 1.3.4.2 yamt desc->plcp_length_hi = plcp_length >> 8; 1714 1.3.4.2 yamt desc->plcp_length_lo = plcp_length & 0xff; 1715 1.3.4.2 yamt 1716 1.3.4.2 yamt if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE)) 1717 1.3.4.2 yamt desc->plcp_signal |= 0x08; 1718 1.3.4.2 yamt } 1719 1.3.4.2 yamt } 1720 1.3.4.2 yamt 1721 1.3.4.2 yamt static int 1722 1.3.4.2 yamt rt2560_tx_bcn(struct rt2560_softc *sc, struct mbuf *m0, 1723 1.3.4.2 yamt struct ieee80211_node *ni) 1724 1.3.4.2 yamt { 1725 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1726 1.3.4.2 yamt struct rt2560_tx_data *data; 1727 1.3.4.2 yamt int rate, error; 1728 1.3.4.2 yamt 1729 1.3.4.2 yamt desc = &sc->bcnq.desc[sc->bcnq.cur]; 1730 1.3.4.2 yamt data = &sc->bcnq.data[sc->bcnq.cur]; 1731 1.3.4.2 yamt 1732 1.3.4.2 yamt rate = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? 12 : 2; 1733 1.3.4.2 yamt 1734 1.3.4.2 yamt error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m0, 1735 1.3.4.2 yamt BUS_DMA_NOWAIT); 1736 1.3.4.2 yamt if (error != 0) { 1737 1.3.4.2 yamt printf("%s: could not map mbuf (error %d)\n", 1738 1.3.4.2 yamt sc->sc_dev.dv_xname, error); 1739 1.3.4.2 yamt m_freem(m0); 1740 1.3.4.2 yamt return error; 1741 1.3.4.2 yamt } 1742 1.3.4.2 yamt 1743 1.3.4.2 yamt data->m = m0; 1744 1.3.4.2 yamt data->ni = ni; 1745 1.3.4.2 yamt 1746 1.3.4.2 yamt rt2560_setup_tx_desc(sc, desc, RT2560_TX_IFS_NEWBACKOFF | 1747 1.3.4.2 yamt RT2560_TX_TIMESTAMP, m0->m_pkthdr.len, rate, 0, 1748 1.3.4.2 yamt data->map->dm_segs->ds_addr); 1749 1.3.4.2 yamt 1750 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, 1751 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1752 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->bcnq.map, 1753 1.3.4.2 yamt sc->bcnq.cur * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1754 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1755 1.3.4.2 yamt 1756 1.3.4.2 yamt return 0; 1757 1.3.4.2 yamt } 1758 1.3.4.2 yamt 1759 1.3.4.2 yamt static int 1760 1.3.4.2 yamt rt2560_tx_mgt(struct rt2560_softc *sc, struct mbuf *m0, 1761 1.3.4.2 yamt struct ieee80211_node *ni) 1762 1.3.4.2 yamt { 1763 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1764 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1765 1.3.4.2 yamt struct rt2560_tx_data *data; 1766 1.3.4.2 yamt struct ieee80211_frame *wh; 1767 1.3.4.5 yamt struct ieee80211_key *k; 1768 1.3.4.2 yamt uint16_t dur; 1769 1.3.4.2 yamt uint32_t flags = 0; 1770 1.3.4.2 yamt int rate, error; 1771 1.3.4.2 yamt 1772 1.3.4.2 yamt desc = &sc->prioq.desc[sc->prioq.cur]; 1773 1.3.4.2 yamt data = &sc->prioq.data[sc->prioq.cur]; 1774 1.3.4.2 yamt 1775 1.3.4.2 yamt rate = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? 12 : 2; 1776 1.3.4.2 yamt 1777 1.3.4.5 yamt wh = mtod(m0, struct ieee80211_frame *); 1778 1.3.4.5 yamt 1779 1.3.4.5 yamt if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1780 1.3.4.5 yamt k = ieee80211_crypto_encap(ic, ni, m0); 1781 1.3.4.5 yamt if (k == NULL) { 1782 1.3.4.5 yamt m_freem(m0); 1783 1.3.4.5 yamt return ENOBUFS; 1784 1.3.4.5 yamt } 1785 1.3.4.7 yamt 1786 1.3.4.7 yamt /* packet header may have moved, reset our local pointer */ 1787 1.3.4.7 yamt wh = mtod(m0, struct ieee80211_frame *); 1788 1.3.4.5 yamt } 1789 1.3.4.5 yamt 1790 1.3.4.2 yamt error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m0, 1791 1.3.4.2 yamt BUS_DMA_NOWAIT); 1792 1.3.4.2 yamt if (error != 0) { 1793 1.3.4.2 yamt printf("%s: could not map mbuf (error %d)\n", 1794 1.3.4.2 yamt sc->sc_dev.dv_xname, error); 1795 1.3.4.2 yamt m_freem(m0); 1796 1.3.4.2 yamt return error; 1797 1.3.4.2 yamt } 1798 1.3.4.2 yamt 1799 1.3.4.2 yamt #if NBPFILTER > 0 1800 1.3.4.2 yamt if (sc->sc_drvbpf != NULL) { 1801 1.3.4.2 yamt struct rt2560_tx_radiotap_header *tap = &sc->sc_txtap; 1802 1.3.4.2 yamt 1803 1.3.4.2 yamt tap->wt_flags = 0; 1804 1.3.4.2 yamt tap->wt_rate = rate; 1805 1.3.4.2 yamt tap->wt_chan_freq = htole16(ic->ic_ibss_chan->ic_freq); 1806 1.3.4.2 yamt tap->wt_chan_flags = htole16(ic->ic_ibss_chan->ic_flags); 1807 1.3.4.2 yamt tap->wt_antenna = sc->tx_ant; 1808 1.3.4.2 yamt 1809 1.3.4.4 yamt bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 1810 1.3.4.2 yamt } 1811 1.3.4.2 yamt #endif 1812 1.3.4.2 yamt 1813 1.3.4.2 yamt data->m = m0; 1814 1.3.4.2 yamt data->ni = ni; 1815 1.3.4.2 yamt 1816 1.3.4.2 yamt wh = mtod(m0, struct ieee80211_frame *); 1817 1.3.4.2 yamt 1818 1.3.4.2 yamt if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 1819 1.3.4.2 yamt flags |= RT2560_TX_ACK; 1820 1.3.4.2 yamt 1821 1.3.4.2 yamt dur = rt2560_txtime(RAL_ACK_SIZE, rate, ic->ic_flags) + 1822 1.3.4.2 yamt RAL_SIFS; 1823 1.3.4.2 yamt *(uint16_t *)wh->i_dur = htole16(dur); 1824 1.3.4.2 yamt 1825 1.3.4.2 yamt /* tell hardware to add timestamp for probe responses */ 1826 1.3.4.2 yamt if ((wh->i_fc[0] & 1827 1.3.4.2 yamt (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == 1828 1.3.4.2 yamt (IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 1829 1.3.4.2 yamt flags |= RT2560_TX_TIMESTAMP; 1830 1.3.4.2 yamt } 1831 1.3.4.2 yamt 1832 1.3.4.2 yamt rt2560_setup_tx_desc(sc, desc, flags, m0->m_pkthdr.len, rate, 0, 1833 1.3.4.2 yamt data->map->dm_segs->ds_addr); 1834 1.3.4.2 yamt 1835 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, 1836 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1837 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->prioq.map, 1838 1.3.4.2 yamt sc->prioq.cur * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 1839 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 1840 1.3.4.2 yamt 1841 1.3.4.2 yamt DPRINTFN(10, ("sending mgt frame len=%u idx=%u rate=%u\n", 1842 1.3.4.2 yamt m0->m_pkthdr.len, sc->prioq.cur, rate)); 1843 1.3.4.2 yamt 1844 1.3.4.2 yamt /* kick prio */ 1845 1.3.4.2 yamt sc->prioq.queued++; 1846 1.3.4.2 yamt sc->prioq.cur = (sc->prioq.cur + 1) % RT2560_PRIO_RING_COUNT; 1847 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR0, RT2560_KICK_PRIO); 1848 1.3.4.2 yamt 1849 1.3.4.2 yamt return 0; 1850 1.3.4.2 yamt } 1851 1.3.4.2 yamt 1852 1.3.4.2 yamt /* 1853 1.3.4.2 yamt * Build a RTS control frame. 1854 1.3.4.2 yamt */ 1855 1.3.4.2 yamt static struct mbuf * 1856 1.3.4.2 yamt rt2560_get_rts(struct rt2560_softc *sc, struct ieee80211_frame *wh, 1857 1.3.4.2 yamt uint16_t dur) 1858 1.3.4.2 yamt { 1859 1.3.4.2 yamt struct ieee80211_frame_rts *rts; 1860 1.3.4.2 yamt struct mbuf *m; 1861 1.3.4.2 yamt 1862 1.3.4.2 yamt MGETHDR(m, M_DONTWAIT, MT_DATA); 1863 1.3.4.2 yamt if (m == NULL) { 1864 1.3.4.2 yamt sc->sc_ic.ic_stats.is_tx_nobuf++; 1865 1.3.4.2 yamt printf("%s: could not allocate RTS frame\n", 1866 1.3.4.2 yamt sc->sc_dev.dv_xname); 1867 1.3.4.2 yamt return NULL; 1868 1.3.4.2 yamt } 1869 1.3.4.2 yamt 1870 1.3.4.2 yamt rts = mtod(m, struct ieee80211_frame_rts *); 1871 1.3.4.2 yamt 1872 1.3.4.2 yamt rts->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_CTL | 1873 1.3.4.2 yamt IEEE80211_FC0_SUBTYPE_RTS; 1874 1.3.4.2 yamt rts->i_fc[1] = IEEE80211_FC1_DIR_NODS; 1875 1.3.4.2 yamt *(uint16_t *)rts->i_dur = htole16(dur); 1876 1.3.4.2 yamt IEEE80211_ADDR_COPY(rts->i_ra, wh->i_addr1); 1877 1.3.4.2 yamt IEEE80211_ADDR_COPY(rts->i_ta, wh->i_addr2); 1878 1.3.4.2 yamt 1879 1.3.4.2 yamt m->m_pkthdr.len = m->m_len = sizeof (struct ieee80211_frame_rts); 1880 1.3.4.2 yamt 1881 1.3.4.2 yamt return m; 1882 1.3.4.2 yamt } 1883 1.3.4.2 yamt 1884 1.3.4.2 yamt static int 1885 1.3.4.2 yamt rt2560_tx_data(struct rt2560_softc *sc, struct mbuf *m0, 1886 1.3.4.2 yamt struct ieee80211_node *ni) 1887 1.3.4.2 yamt { 1888 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 1889 1.3.4.2 yamt struct rt2560_tx_desc *desc; 1890 1.3.4.2 yamt struct rt2560_tx_data *data; 1891 1.3.4.2 yamt struct rt2560_node *rn; 1892 1.3.4.2 yamt struct ieee80211_rateset *rs; 1893 1.3.4.2 yamt struct ieee80211_frame *wh; 1894 1.3.4.2 yamt struct ieee80211_key *k; 1895 1.3.4.2 yamt struct mbuf *mnew; 1896 1.3.4.2 yamt uint16_t dur; 1897 1.3.4.2 yamt uint32_t flags = 0; 1898 1.3.4.2 yamt int rate, error; 1899 1.3.4.2 yamt 1900 1.3.4.2 yamt wh = mtod(m0, struct ieee80211_frame *); 1901 1.3.4.2 yamt 1902 1.3.4.2 yamt if (ic->ic_fixed_rate != IEEE80211_FIXED_RATE_NONE) { 1903 1.3.4.2 yamt rs = &ic->ic_sup_rates[ic->ic_curmode]; 1904 1.3.4.2 yamt rate = rs->rs_rates[ic->ic_fixed_rate]; 1905 1.3.4.2 yamt } else { 1906 1.3.4.2 yamt rs = &ni->ni_rates; 1907 1.3.4.2 yamt rn = (struct rt2560_node *)ni; 1908 1.3.4.2 yamt ni->ni_txrate = ieee80211_rssadapt_choose(&rn->rssadapt, rs, 1909 1.3.4.2 yamt wh, m0->m_pkthdr.len, -1, NULL, 0); 1910 1.3.4.2 yamt rate = rs->rs_rates[ni->ni_txrate]; 1911 1.3.4.2 yamt } 1912 1.3.4.2 yamt rate &= IEEE80211_RATE_VAL; 1913 1.3.4.2 yamt 1914 1.3.4.2 yamt if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1915 1.3.4.2 yamt k = ieee80211_crypto_encap(ic, ni, m0); 1916 1.3.4.2 yamt if (k == NULL) { 1917 1.3.4.2 yamt m_freem(m0); 1918 1.3.4.2 yamt return ENOBUFS; 1919 1.3.4.2 yamt } 1920 1.3.4.2 yamt 1921 1.3.4.2 yamt /* packet header may have moved, reset our local pointer */ 1922 1.3.4.2 yamt wh = mtod(m0, struct ieee80211_frame *); 1923 1.3.4.2 yamt } 1924 1.3.4.2 yamt 1925 1.3.4.2 yamt /* 1926 1.3.4.2 yamt * IEEE Std 802.11-1999, pp 82: "A STA shall use an RTS/CTS exchange 1927 1.3.4.2 yamt * for directed frames only when the length of the MPDU is greater 1928 1.3.4.2 yamt * than the length threshold indicated by [...]" ic_rtsthreshold. 1929 1.3.4.2 yamt */ 1930 1.3.4.2 yamt if (!IEEE80211_IS_MULTICAST(wh->i_addr1) && 1931 1.3.4.2 yamt m0->m_pkthdr.len > ic->ic_rtsthreshold) { 1932 1.3.4.2 yamt struct mbuf *m; 1933 1.3.4.2 yamt int rtsrate, ackrate; 1934 1.3.4.2 yamt 1935 1.3.4.2 yamt rtsrate = IEEE80211_IS_CHAN_5GHZ(ni->ni_chan) ? 12 : 2; 1936 1.3.4.2 yamt ackrate = rt2560_ack_rate(ic, rate); 1937 1.3.4.2 yamt 1938 1.3.4.2 yamt dur = rt2560_txtime(m0->m_pkthdr.len + 4, rate, ic->ic_flags) + 1939 1.3.4.2 yamt rt2560_txtime(RAL_CTS_SIZE, rtsrate, ic->ic_flags) + 1940 1.3.4.2 yamt rt2560_txtime(RAL_ACK_SIZE, ackrate, ic->ic_flags) + 1941 1.3.4.2 yamt 3 * RAL_SIFS; 1942 1.3.4.2 yamt 1943 1.3.4.2 yamt m = rt2560_get_rts(sc, wh, dur); 1944 1.3.4.2 yamt 1945 1.3.4.2 yamt desc = &sc->txq.desc[sc->txq.cur_encrypt]; 1946 1.3.4.2 yamt data = &sc->txq.data[sc->txq.cur_encrypt]; 1947 1.3.4.2 yamt 1948 1.3.4.2 yamt error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m, 1949 1.3.4.2 yamt BUS_DMA_NOWAIT); 1950 1.3.4.2 yamt if (error != 0) { 1951 1.3.4.2 yamt printf("%s: could not map mbuf (error %d)\n", 1952 1.3.4.2 yamt sc->sc_dev.dv_xname, error); 1953 1.3.4.2 yamt m_freem(m); 1954 1.3.4.2 yamt m_freem(m0); 1955 1.3.4.2 yamt return error; 1956 1.3.4.2 yamt } 1957 1.3.4.2 yamt 1958 1.3.4.2 yamt /* avoid multiple free() of the same node for each fragment */ 1959 1.3.4.2 yamt ieee80211_ref_node(ni); 1960 1.3.4.2 yamt 1961 1.3.4.2 yamt data->m = m; 1962 1.3.4.2 yamt data->ni = ni; 1963 1.3.4.2 yamt 1964 1.3.4.2 yamt /* RTS frames are not taken into account for rssadapt */ 1965 1.3.4.2 yamt data->id.id_node = NULL; 1966 1.3.4.2 yamt 1967 1.3.4.2 yamt rt2560_setup_tx_desc(sc, desc, RT2560_TX_ACK | 1968 1.3.4.2 yamt RT2560_TX_MORE_FRAG, m->m_pkthdr.len, rtsrate, 1, 1969 1.3.4.2 yamt data->map->dm_segs->ds_addr); 1970 1.3.4.2 yamt 1971 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, 1972 1.3.4.2 yamt data->map->dm_mapsize, BUS_DMASYNC_PREWRITE); 1973 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 1974 1.3.4.2 yamt sc->txq.cur_encrypt * RT2560_TX_DESC_SIZE, 1975 1.3.4.2 yamt RT2560_TX_DESC_SIZE, BUS_DMASYNC_PREWRITE); 1976 1.3.4.2 yamt 1977 1.3.4.2 yamt sc->txq.queued++; 1978 1.3.4.2 yamt sc->txq.cur_encrypt = 1979 1.3.4.2 yamt (sc->txq.cur_encrypt + 1) % RT2560_TX_RING_COUNT; 1980 1.3.4.2 yamt 1981 1.3.4.2 yamt /* 1982 1.3.4.2 yamt * IEEE Std 802.11-1999: when an RTS/CTS exchange is used, the 1983 1.3.4.2 yamt * asynchronous data frame shall be transmitted after the CTS 1984 1.3.4.2 yamt * frame and a SIFS period. 1985 1.3.4.2 yamt */ 1986 1.3.4.2 yamt flags |= RT2560_TX_LONG_RETRY | RT2560_TX_IFS_SIFS; 1987 1.3.4.2 yamt } 1988 1.3.4.2 yamt 1989 1.3.4.2 yamt data = &sc->txq.data[sc->txq.cur_encrypt]; 1990 1.3.4.2 yamt desc = &sc->txq.desc[sc->txq.cur_encrypt]; 1991 1.3.4.2 yamt 1992 1.3.4.2 yamt error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m0, 1993 1.3.4.2 yamt BUS_DMA_NOWAIT); 1994 1.3.4.2 yamt if (error != 0 && error != EFBIG) { 1995 1.3.4.2 yamt printf("%s: could not map mbuf (error %d)\n", 1996 1.3.4.2 yamt sc->sc_dev.dv_xname, error); 1997 1.3.4.2 yamt m_freem(m0); 1998 1.3.4.2 yamt return error; 1999 1.3.4.2 yamt } 2000 1.3.4.2 yamt if (error != 0) { 2001 1.3.4.2 yamt /* too many fragments, linearize */ 2002 1.3.4.2 yamt 2003 1.3.4.2 yamt MGETHDR(mnew, M_DONTWAIT, MT_DATA); 2004 1.3.4.2 yamt if (mnew == NULL) { 2005 1.3.4.2 yamt m_freem(m0); 2006 1.3.4.2 yamt return ENOMEM; 2007 1.3.4.2 yamt } 2008 1.3.4.2 yamt 2009 1.3.4.2 yamt M_COPY_PKTHDR(mnew, m0); 2010 1.3.4.2 yamt if (m0->m_pkthdr.len > MHLEN) { 2011 1.3.4.2 yamt MCLGET(mnew, M_DONTWAIT); 2012 1.3.4.2 yamt if (!(mnew->m_flags & M_EXT)) { 2013 1.3.4.2 yamt m_freem(m0); 2014 1.3.4.2 yamt m_freem(mnew); 2015 1.3.4.2 yamt return ENOMEM; 2016 1.3.4.2 yamt } 2017 1.3.4.2 yamt } 2018 1.3.4.2 yamt 2019 1.3.4.4 yamt m_copydata(m0, 0, m0->m_pkthdr.len, mtod(mnew, void *)); 2020 1.3.4.2 yamt m_freem(m0); 2021 1.3.4.2 yamt mnew->m_len = mnew->m_pkthdr.len; 2022 1.3.4.2 yamt m0 = mnew; 2023 1.3.4.2 yamt 2024 1.3.4.2 yamt error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m0, 2025 1.3.4.2 yamt BUS_DMA_NOWAIT); 2026 1.3.4.2 yamt if (error != 0) { 2027 1.3.4.2 yamt printf("%s: could not map mbuf (error %d)\n", 2028 1.3.4.2 yamt sc->sc_dev.dv_xname, error); 2029 1.3.4.2 yamt m_freem(m0); 2030 1.3.4.2 yamt return error; 2031 1.3.4.2 yamt } 2032 1.3.4.2 yamt 2033 1.3.4.2 yamt /* packet header have moved, reset our local pointer */ 2034 1.3.4.2 yamt wh = mtod(m0, struct ieee80211_frame *); 2035 1.3.4.2 yamt } 2036 1.3.4.2 yamt 2037 1.3.4.2 yamt #if NBPFILTER > 0 2038 1.3.4.2 yamt if (sc->sc_drvbpf != NULL) { 2039 1.3.4.2 yamt struct rt2560_tx_radiotap_header *tap = &sc->sc_txtap; 2040 1.3.4.2 yamt 2041 1.3.4.2 yamt tap->wt_flags = 0; 2042 1.3.4.2 yamt tap->wt_rate = rate; 2043 1.3.4.2 yamt tap->wt_chan_freq = htole16(ic->ic_ibss_chan->ic_freq); 2044 1.3.4.2 yamt tap->wt_chan_flags = htole16(ic->ic_ibss_chan->ic_flags); 2045 1.3.4.2 yamt tap->wt_antenna = sc->tx_ant; 2046 1.3.4.2 yamt 2047 1.3.4.4 yamt bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m0); 2048 1.3.4.2 yamt } 2049 1.3.4.2 yamt #endif 2050 1.3.4.2 yamt 2051 1.3.4.2 yamt data->m = m0; 2052 1.3.4.2 yamt data->ni = ni; 2053 1.3.4.2 yamt 2054 1.3.4.2 yamt /* remember link conditions for rate adaptation algorithm */ 2055 1.3.4.2 yamt if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) { 2056 1.3.4.2 yamt data->id.id_len = m0->m_pkthdr.len; 2057 1.3.4.2 yamt data->id.id_rateidx = ni->ni_txrate; 2058 1.3.4.2 yamt data->id.id_node = ni; 2059 1.3.4.2 yamt data->id.id_rssi = ni->ni_rssi; 2060 1.3.4.2 yamt } else 2061 1.3.4.2 yamt data->id.id_node = NULL; 2062 1.3.4.2 yamt 2063 1.3.4.2 yamt if (!IEEE80211_IS_MULTICAST(wh->i_addr1)) { 2064 1.3.4.2 yamt flags |= RT2560_TX_ACK; 2065 1.3.4.2 yamt 2066 1.3.4.2 yamt dur = rt2560_txtime(RAL_ACK_SIZE, rt2560_ack_rate(ic, rate), 2067 1.3.4.2 yamt ic->ic_flags) + RAL_SIFS; 2068 1.3.4.2 yamt *(uint16_t *)wh->i_dur = htole16(dur); 2069 1.3.4.2 yamt } 2070 1.3.4.2 yamt 2071 1.3.4.2 yamt rt2560_setup_tx_desc(sc, desc, flags, m0->m_pkthdr.len, rate, 1, 2072 1.3.4.2 yamt data->map->dm_segs->ds_addr); 2073 1.3.4.2 yamt 2074 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, data->map, 0, data->map->dm_mapsize, 2075 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 2076 1.3.4.2 yamt bus_dmamap_sync(sc->sc_dmat, sc->txq.map, 2077 1.3.4.2 yamt sc->txq.cur_encrypt * RT2560_TX_DESC_SIZE, RT2560_TX_DESC_SIZE, 2078 1.3.4.2 yamt BUS_DMASYNC_PREWRITE); 2079 1.3.4.2 yamt 2080 1.3.4.2 yamt DPRINTFN(10, ("sending data frame len=%u idx=%u rate=%u\n", 2081 1.3.4.2 yamt m0->m_pkthdr.len, sc->txq.cur_encrypt, rate)); 2082 1.3.4.2 yamt 2083 1.3.4.2 yamt /* kick encrypt */ 2084 1.3.4.2 yamt sc->txq.queued++; 2085 1.3.4.2 yamt sc->txq.cur_encrypt = (sc->txq.cur_encrypt + 1) % RT2560_TX_RING_COUNT; 2086 1.3.4.2 yamt RAL_WRITE(sc, RT2560_SECCSR1, RT2560_KICK_ENCRYPT); 2087 1.3.4.2 yamt 2088 1.3.4.2 yamt return 0; 2089 1.3.4.2 yamt } 2090 1.3.4.2 yamt 2091 1.3.4.2 yamt static void 2092 1.3.4.2 yamt rt2560_start(struct ifnet *ifp) 2093 1.3.4.2 yamt { 2094 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2095 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2096 1.3.4.2 yamt struct mbuf *m0; 2097 1.3.4.2 yamt struct ieee80211_node *ni; 2098 1.3.4.2 yamt struct ether_header *eh; 2099 1.3.4.2 yamt 2100 1.3.4.2 yamt /* 2101 1.3.4.2 yamt * net80211 may still try to send management frames even if the 2102 1.3.4.2 yamt * IFF_RUNNING flag is not set... 2103 1.3.4.2 yamt */ 2104 1.3.4.2 yamt if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 2105 1.3.4.2 yamt return; 2106 1.3.4.2 yamt 2107 1.3.4.2 yamt for (;;) { 2108 1.3.4.2 yamt IF_POLL(&ic->ic_mgtq, m0); 2109 1.3.4.2 yamt if (m0 != NULL) { 2110 1.3.4.2 yamt if (sc->prioq.queued >= RT2560_PRIO_RING_COUNT) { 2111 1.3.4.2 yamt ifp->if_flags |= IFF_OACTIVE; 2112 1.3.4.2 yamt break; 2113 1.3.4.2 yamt } 2114 1.3.4.2 yamt IF_DEQUEUE(&ic->ic_mgtq, m0); 2115 1.3.4.2 yamt if (m0 == NULL) 2116 1.3.4.2 yamt break; 2117 1.3.4.2 yamt 2118 1.3.4.2 yamt ni = (struct ieee80211_node *)m0->m_pkthdr.rcvif; 2119 1.3.4.2 yamt m0->m_pkthdr.rcvif = NULL; 2120 1.3.4.2 yamt #if NBPFILTER > 0 2121 1.3.4.2 yamt if (ic->ic_rawbpf != NULL) 2122 1.3.4.2 yamt bpf_mtap(ic->ic_rawbpf, m0); 2123 1.3.4.2 yamt #endif 2124 1.3.4.2 yamt if (rt2560_tx_mgt(sc, m0, ni) != 0) 2125 1.3.4.2 yamt break; 2126 1.3.4.2 yamt 2127 1.3.4.2 yamt } else { 2128 1.3.4.2 yamt if (ic->ic_state != IEEE80211_S_RUN) 2129 1.3.4.2 yamt break; 2130 1.3.4.2 yamt IFQ_DEQUEUE(&ifp->if_snd, m0); 2131 1.3.4.2 yamt if (m0 == NULL) 2132 1.3.4.2 yamt break; 2133 1.3.4.2 yamt if (sc->txq.queued >= RT2560_TX_RING_COUNT - 1) { 2134 1.3.4.2 yamt ifp->if_flags |= IFF_OACTIVE; 2135 1.3.4.2 yamt break; 2136 1.3.4.2 yamt } 2137 1.3.4.2 yamt 2138 1.3.4.2 yamt if (m0->m_len < sizeof (struct ether_header) && 2139 1.3.4.2 yamt !(m0 = m_pullup(m0, sizeof (struct ether_header)))) 2140 1.3.4.2 yamt continue; 2141 1.3.4.2 yamt 2142 1.3.4.2 yamt eh = mtod(m0, struct ether_header *); 2143 1.3.4.2 yamt ni = ieee80211_find_txnode(ic, eh->ether_dhost); 2144 1.3.4.2 yamt if (ni == NULL) { 2145 1.3.4.2 yamt m_freem(m0); 2146 1.3.4.2 yamt continue; 2147 1.3.4.2 yamt } 2148 1.3.4.2 yamt #if NBPFILTER > 0 2149 1.3.4.2 yamt if (ifp->if_bpf != NULL) 2150 1.3.4.2 yamt bpf_mtap(ifp->if_bpf, m0); 2151 1.3.4.2 yamt #endif 2152 1.3.4.2 yamt 2153 1.3.4.2 yamt m0 = ieee80211_encap(ic, m0, ni); 2154 1.3.4.2 yamt if (m0 == NULL) { 2155 1.3.4.2 yamt ieee80211_free_node(ni); 2156 1.3.4.2 yamt continue; 2157 1.3.4.2 yamt } 2158 1.3.4.2 yamt 2159 1.3.4.2 yamt #if NBPFILTER > 0 2160 1.3.4.2 yamt if (ic->ic_rawbpf != NULL) 2161 1.3.4.2 yamt bpf_mtap(ic->ic_rawbpf, m0); 2162 1.3.4.2 yamt 2163 1.3.4.2 yamt #endif 2164 1.3.4.2 yamt if (rt2560_tx_data(sc, m0, ni) != 0) { 2165 1.3.4.2 yamt ieee80211_free_node(ni); 2166 1.3.4.2 yamt ifp->if_oerrors++; 2167 1.3.4.2 yamt break; 2168 1.3.4.2 yamt } 2169 1.3.4.2 yamt } 2170 1.3.4.2 yamt 2171 1.3.4.2 yamt sc->sc_tx_timer = 5; 2172 1.3.4.2 yamt ifp->if_timer = 1; 2173 1.3.4.2 yamt } 2174 1.3.4.2 yamt } 2175 1.3.4.2 yamt 2176 1.3.4.2 yamt static void 2177 1.3.4.2 yamt rt2560_watchdog(struct ifnet *ifp) 2178 1.3.4.2 yamt { 2179 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2180 1.3.4.2 yamt 2181 1.3.4.2 yamt ifp->if_timer = 0; 2182 1.3.4.2 yamt 2183 1.3.4.2 yamt if (sc->sc_tx_timer > 0) { 2184 1.3.4.2 yamt if (--sc->sc_tx_timer == 0) { 2185 1.3.4.2 yamt printf("%s: device timeout\n", sc->sc_dev.dv_xname); 2186 1.3.4.2 yamt rt2560_init(ifp); 2187 1.3.4.2 yamt ifp->if_oerrors++; 2188 1.3.4.2 yamt return; 2189 1.3.4.2 yamt } 2190 1.3.4.2 yamt ifp->if_timer = 1; 2191 1.3.4.2 yamt } 2192 1.3.4.2 yamt 2193 1.3.4.2 yamt ieee80211_watchdog(&sc->sc_ic); 2194 1.3.4.2 yamt } 2195 1.3.4.2 yamt 2196 1.3.4.2 yamt /* 2197 1.3.4.2 yamt * This function allows for fast channel switching in monitor mode (used by 2198 1.3.4.2 yamt * net-mgmt/kismet). In IBSS mode, we must explicitly reset the interface to 2199 1.3.4.2 yamt * generate a new beacon frame. 2200 1.3.4.2 yamt */ 2201 1.3.4.2 yamt static int 2202 1.3.4.2 yamt rt2560_reset(struct ifnet *ifp) 2203 1.3.4.2 yamt { 2204 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2205 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2206 1.3.4.2 yamt 2207 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_MONITOR) 2208 1.3.4.2 yamt return ENETRESET; 2209 1.3.4.2 yamt 2210 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_curchan); 2211 1.3.4.2 yamt 2212 1.3.4.2 yamt return 0; 2213 1.3.4.2 yamt } 2214 1.3.4.2 yamt 2215 1.3.4.2 yamt int 2216 1.3.4.4 yamt rt2560_ioctl(struct ifnet *ifp, u_long cmd, void *data) 2217 1.3.4.2 yamt { 2218 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2219 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2220 1.3.4.2 yamt int s, error = 0; 2221 1.3.4.2 yamt 2222 1.3.4.2 yamt s = splnet(); 2223 1.3.4.2 yamt 2224 1.3.4.2 yamt switch (cmd) { 2225 1.3.4.2 yamt case SIOCSIFFLAGS: 2226 1.3.4.2 yamt if (ifp->if_flags & IFF_UP) { 2227 1.3.4.2 yamt if (ifp->if_flags & IFF_RUNNING) 2228 1.3.4.2 yamt rt2560_update_promisc(sc); 2229 1.3.4.2 yamt else 2230 1.3.4.2 yamt rt2560_init(ifp); 2231 1.3.4.2 yamt } else { 2232 1.3.4.2 yamt if (ifp->if_flags & IFF_RUNNING) 2233 1.3.4.6 yamt rt2560_stop(ifp, 1); 2234 1.3.4.2 yamt } 2235 1.3.4.2 yamt break; 2236 1.3.4.2 yamt 2237 1.3.4.2 yamt case SIOCADDMULTI: 2238 1.3.4.2 yamt case SIOCDELMULTI: 2239 1.3.4.4 yamt /* XXX no h/w multicast filter? --dyoung */ 2240 1.3.4.4 yamt if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) 2241 1.3.4.2 yamt error = 0; 2242 1.3.4.2 yamt break; 2243 1.3.4.2 yamt 2244 1.3.4.2 yamt case SIOCS80211CHANNEL: 2245 1.3.4.2 yamt /* 2246 1.3.4.2 yamt * This allows for fast channel switching in monitor mode 2247 1.3.4.2 yamt * (used by kismet). In IBSS mode, we must explicitly reset 2248 1.3.4.2 yamt * the interface to generate a new beacon frame. 2249 1.3.4.2 yamt */ 2250 1.3.4.2 yamt error = ieee80211_ioctl(ic, cmd, data); 2251 1.3.4.2 yamt if (error == ENETRESET && 2252 1.3.4.2 yamt ic->ic_opmode == IEEE80211_M_MONITOR) { 2253 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_ibss_chan); 2254 1.3.4.2 yamt error = 0; 2255 1.3.4.2 yamt } 2256 1.3.4.2 yamt break; 2257 1.3.4.2 yamt 2258 1.3.4.2 yamt default: 2259 1.3.4.2 yamt error = ieee80211_ioctl(ic, cmd, data); 2260 1.3.4.2 yamt } 2261 1.3.4.2 yamt 2262 1.3.4.2 yamt if (error == ENETRESET) { 2263 1.3.4.2 yamt if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 2264 1.3.4.2 yamt (IFF_UP | IFF_RUNNING)) 2265 1.3.4.2 yamt rt2560_init(ifp); 2266 1.3.4.2 yamt error = 0; 2267 1.3.4.2 yamt } 2268 1.3.4.2 yamt 2269 1.3.4.2 yamt splx(s); 2270 1.3.4.2 yamt 2271 1.3.4.2 yamt return error; 2272 1.3.4.2 yamt } 2273 1.3.4.2 yamt 2274 1.3.4.2 yamt static void 2275 1.3.4.2 yamt rt2560_bbp_write(struct rt2560_softc *sc, uint8_t reg, uint8_t val) 2276 1.3.4.2 yamt { 2277 1.3.4.2 yamt uint32_t tmp; 2278 1.3.4.2 yamt int ntries; 2279 1.3.4.2 yamt 2280 1.3.4.2 yamt for (ntries = 0; ntries < 100; ntries++) { 2281 1.3.4.2 yamt if (!(RAL_READ(sc, RT2560_BBPCSR) & RT2560_BBP_BUSY)) 2282 1.3.4.2 yamt break; 2283 1.3.4.2 yamt DELAY(1); 2284 1.3.4.2 yamt } 2285 1.3.4.2 yamt if (ntries == 100) { 2286 1.3.4.2 yamt printf("%s: could not write to BBP\n", sc->sc_dev.dv_xname); 2287 1.3.4.2 yamt return; 2288 1.3.4.2 yamt } 2289 1.3.4.2 yamt 2290 1.3.4.2 yamt tmp = RT2560_BBP_WRITE | RT2560_BBP_BUSY | reg << 8 | val; 2291 1.3.4.2 yamt RAL_WRITE(sc, RT2560_BBPCSR, tmp); 2292 1.3.4.2 yamt 2293 1.3.4.2 yamt DPRINTFN(15, ("BBP R%u <- 0x%02x\n", reg, val)); 2294 1.3.4.2 yamt } 2295 1.3.4.2 yamt 2296 1.3.4.2 yamt static uint8_t 2297 1.3.4.2 yamt rt2560_bbp_read(struct rt2560_softc *sc, uint8_t reg) 2298 1.3.4.2 yamt { 2299 1.3.4.2 yamt uint32_t val; 2300 1.3.4.2 yamt int ntries; 2301 1.3.4.2 yamt 2302 1.3.4.2 yamt val = RT2560_BBP_BUSY | reg << 8; 2303 1.3.4.2 yamt RAL_WRITE(sc, RT2560_BBPCSR, val); 2304 1.3.4.2 yamt 2305 1.3.4.2 yamt for (ntries = 0; ntries < 100; ntries++) { 2306 1.3.4.2 yamt val = RAL_READ(sc, RT2560_BBPCSR); 2307 1.3.4.2 yamt if (!(val & RT2560_BBP_BUSY)) 2308 1.3.4.2 yamt return val & 0xff; 2309 1.3.4.2 yamt DELAY(1); 2310 1.3.4.2 yamt } 2311 1.3.4.2 yamt 2312 1.3.4.2 yamt printf("%s: could not read from BBP\n", sc->sc_dev.dv_xname); 2313 1.3.4.2 yamt return 0; 2314 1.3.4.2 yamt } 2315 1.3.4.2 yamt 2316 1.3.4.2 yamt static void 2317 1.3.4.2 yamt rt2560_rf_write(struct rt2560_softc *sc, uint8_t reg, uint32_t val) 2318 1.3.4.2 yamt { 2319 1.3.4.2 yamt uint32_t tmp; 2320 1.3.4.2 yamt int ntries; 2321 1.3.4.2 yamt 2322 1.3.4.2 yamt for (ntries = 0; ntries < 100; ntries++) { 2323 1.3.4.2 yamt if (!(RAL_READ(sc, RT2560_RFCSR) & RT2560_RF_BUSY)) 2324 1.3.4.2 yamt break; 2325 1.3.4.2 yamt DELAY(1); 2326 1.3.4.2 yamt } 2327 1.3.4.2 yamt if (ntries == 100) { 2328 1.3.4.2 yamt printf("%s: could not write to RF\n", sc->sc_dev.dv_xname); 2329 1.3.4.2 yamt return; 2330 1.3.4.2 yamt } 2331 1.3.4.2 yamt 2332 1.3.4.2 yamt tmp = RT2560_RF_BUSY | RT2560_RF_20BIT | (val & 0xfffff) << 2 | 2333 1.3.4.2 yamt (reg & 0x3); 2334 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RFCSR, tmp); 2335 1.3.4.2 yamt 2336 1.3.4.2 yamt /* remember last written value in sc */ 2337 1.3.4.2 yamt sc->rf_regs[reg] = val; 2338 1.3.4.2 yamt 2339 1.3.4.2 yamt DPRINTFN(15, ("RF R[%u] <- 0x%05x\n", reg & 0x3, val & 0xfffff)); 2340 1.3.4.2 yamt } 2341 1.3.4.2 yamt 2342 1.3.4.2 yamt static void 2343 1.3.4.2 yamt rt2560_set_chan(struct rt2560_softc *sc, struct ieee80211_channel *c) 2344 1.3.4.2 yamt { 2345 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2346 1.3.4.2 yamt uint8_t power, tmp; 2347 1.3.4.2 yamt u_int i, chan; 2348 1.3.4.2 yamt 2349 1.3.4.2 yamt chan = ieee80211_chan2ieee(ic, c); 2350 1.3.4.2 yamt if (chan == 0 || chan == IEEE80211_CHAN_ANY) 2351 1.3.4.2 yamt return; 2352 1.3.4.2 yamt 2353 1.3.4.2 yamt if (IEEE80211_IS_CHAN_2GHZ(c)) 2354 1.3.4.2 yamt power = min(sc->txpow[chan - 1], 31); 2355 1.3.4.2 yamt else 2356 1.3.4.2 yamt power = 31; 2357 1.3.4.2 yamt 2358 1.3.4.2 yamt DPRINTFN(2, ("setting channel to %u, txpower to %u\n", chan, power)); 2359 1.3.4.2 yamt 2360 1.3.4.2 yamt switch (sc->rf_rev) { 2361 1.3.4.2 yamt case RT2560_RF_2522: 2362 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x00814); 2363 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2522_r2[chan - 1]); 2364 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x00040); 2365 1.3.4.2 yamt break; 2366 1.3.4.2 yamt 2367 1.3.4.2 yamt case RT2560_RF_2523: 2368 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x08804); 2369 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2523_r2[chan - 1]); 2370 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x38044); 2371 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2372 1.3.4.2 yamt (chan == 14) ? 0x00280 : 0x00286); 2373 1.3.4.2 yamt break; 2374 1.3.4.2 yamt 2375 1.3.4.2 yamt case RT2560_RF_2524: 2376 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x0c808); 2377 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2524_r2[chan - 1]); 2378 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x00040); 2379 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2380 1.3.4.2 yamt (chan == 14) ? 0x00280 : 0x00286); 2381 1.3.4.2 yamt break; 2382 1.3.4.2 yamt 2383 1.3.4.2 yamt case RT2560_RF_2525: 2384 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x08808); 2385 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2525_hi_r2[chan - 1]); 2386 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x18044); 2387 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2388 1.3.4.2 yamt (chan == 14) ? 0x00280 : 0x00286); 2389 1.3.4.2 yamt 2390 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x08808); 2391 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2525_r2[chan - 1]); 2392 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x18044); 2393 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2394 1.3.4.2 yamt (chan == 14) ? 0x00280 : 0x00286); 2395 1.3.4.2 yamt break; 2396 1.3.4.2 yamt 2397 1.3.4.2 yamt case RT2560_RF_2525E: 2398 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x08808); 2399 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2525e_r2[chan - 1]); 2400 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x18044); 2401 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2402 1.3.4.2 yamt (chan == 14) ? 0x00286 : 0x00282); 2403 1.3.4.2 yamt break; 2404 1.3.4.2 yamt 2405 1.3.4.2 yamt case RT2560_RF_2526: 2406 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2526_hi_r2[chan - 1]); 2407 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2408 1.3.4.2 yamt (chan & 1) ? 0x00386 : 0x00381); 2409 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, 0x08804); 2410 1.3.4.2 yamt 2411 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf2526_r2[chan - 1]); 2412 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x18044); 2413 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, 2414 1.3.4.2 yamt (chan & 1) ? 0x00386 : 0x00381); 2415 1.3.4.2 yamt break; 2416 1.3.4.2 yamt 2417 1.3.4.2 yamt /* dual-band RF */ 2418 1.3.4.2 yamt case RT2560_RF_5222: 2419 1.3.4.2 yamt for (i = 0; rt2560_rf5222[i].chan != chan; i++); 2420 1.3.4.2 yamt 2421 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, rt2560_rf5222[i].r1); 2422 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF2, rt2560_rf5222[i].r2); 2423 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, power << 7 | 0x00040); 2424 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF4, rt2560_rf5222[i].r4); 2425 1.3.4.2 yamt break; 2426 1.3.4.2 yamt } 2427 1.3.4.2 yamt 2428 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_MONITOR && 2429 1.3.4.2 yamt ic->ic_state != IEEE80211_S_SCAN) { 2430 1.3.4.2 yamt /* set Japan filter bit for channel 14 */ 2431 1.3.4.2 yamt tmp = rt2560_bbp_read(sc, 70); 2432 1.3.4.2 yamt 2433 1.3.4.2 yamt tmp &= ~RT2560_JAPAN_FILTER; 2434 1.3.4.2 yamt if (chan == 14) 2435 1.3.4.2 yamt tmp |= RT2560_JAPAN_FILTER; 2436 1.3.4.2 yamt 2437 1.3.4.2 yamt rt2560_bbp_write(sc, 70, tmp); 2438 1.3.4.2 yamt 2439 1.3.4.2 yamt DELAY(1000); /* RF needs a 1ms delay here */ 2440 1.3.4.2 yamt rt2560_disable_rf_tune(sc); 2441 1.3.4.2 yamt 2442 1.3.4.2 yamt /* clear CRC errors */ 2443 1.3.4.2 yamt RAL_READ(sc, RT2560_CNT0); 2444 1.3.4.2 yamt } 2445 1.3.4.2 yamt } 2446 1.3.4.2 yamt 2447 1.3.4.2 yamt /* 2448 1.3.4.2 yamt * Disable RF auto-tuning. 2449 1.3.4.2 yamt */ 2450 1.3.4.2 yamt static void 2451 1.3.4.2 yamt rt2560_disable_rf_tune(struct rt2560_softc *sc) 2452 1.3.4.2 yamt { 2453 1.3.4.2 yamt uint32_t tmp; 2454 1.3.4.2 yamt 2455 1.3.4.2 yamt if (sc->rf_rev != RT2560_RF_2523) { 2456 1.3.4.2 yamt tmp = sc->rf_regs[RT2560_RF1] & ~RT2560_RF1_AUTOTUNE; 2457 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF1, tmp); 2458 1.3.4.2 yamt } 2459 1.3.4.2 yamt 2460 1.3.4.2 yamt tmp = sc->rf_regs[RT2560_RF3] & ~RT2560_RF3_AUTOTUNE; 2461 1.3.4.2 yamt rt2560_rf_write(sc, RT2560_RF3, tmp); 2462 1.3.4.2 yamt 2463 1.3.4.2 yamt DPRINTFN(2, ("disabling RF autotune\n")); 2464 1.3.4.2 yamt } 2465 1.3.4.2 yamt 2466 1.3.4.2 yamt /* 2467 1.3.4.2 yamt * Refer to IEEE Std 802.11-1999 pp. 123 for more information on TSF 2468 1.3.4.2 yamt * synchronization. 2469 1.3.4.2 yamt */ 2470 1.3.4.2 yamt static void 2471 1.3.4.2 yamt rt2560_enable_tsf_sync(struct rt2560_softc *sc) 2472 1.3.4.2 yamt { 2473 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2474 1.3.4.2 yamt uint16_t logcwmin, preload; 2475 1.3.4.2 yamt uint32_t tmp; 2476 1.3.4.2 yamt 2477 1.3.4.2 yamt /* first, disable TSF synchronization */ 2478 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR14, 0); 2479 1.3.4.2 yamt 2480 1.3.4.2 yamt tmp = 16 * ic->ic_bss->ni_intval; 2481 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR12, tmp); 2482 1.3.4.2 yamt 2483 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR13, 0); 2484 1.3.4.2 yamt 2485 1.3.4.2 yamt logcwmin = 5; 2486 1.3.4.2 yamt preload = (ic->ic_opmode == IEEE80211_M_STA) ? 384 : 1024; 2487 1.3.4.2 yamt tmp = logcwmin << 16 | preload; 2488 1.3.4.2 yamt RAL_WRITE(sc, RT2560_BCNOCSR, tmp); 2489 1.3.4.2 yamt 2490 1.3.4.2 yamt /* finally, enable TSF synchronization */ 2491 1.3.4.2 yamt tmp = RT2560_ENABLE_TSF | RT2560_ENABLE_TBCN; 2492 1.3.4.2 yamt if (ic->ic_opmode == IEEE80211_M_STA) 2493 1.3.4.2 yamt tmp |= RT2560_ENABLE_TSF_SYNC(1); 2494 1.3.4.2 yamt else 2495 1.3.4.2 yamt tmp |= RT2560_ENABLE_TSF_SYNC(2) | 2496 1.3.4.2 yamt RT2560_ENABLE_BEACON_GENERATOR; 2497 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR14, tmp); 2498 1.3.4.2 yamt 2499 1.3.4.2 yamt DPRINTF(("enabling TSF synchronization\n")); 2500 1.3.4.2 yamt } 2501 1.3.4.2 yamt 2502 1.3.4.2 yamt static void 2503 1.3.4.2 yamt rt2560_update_plcp(struct rt2560_softc *sc) 2504 1.3.4.2 yamt { 2505 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2506 1.3.4.2 yamt 2507 1.3.4.2 yamt /* no short preamble for 1Mbps */ 2508 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP1MCSR, 0x00700400); 2509 1.3.4.2 yamt 2510 1.3.4.2 yamt if (!(ic->ic_flags & IEEE80211_F_SHPREAMBLE)) { 2511 1.3.4.2 yamt /* values taken from the reference driver */ 2512 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP2MCSR, 0x00380401); 2513 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP5p5MCSR, 0x00150402); 2514 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP11MCSR, 0x000b8403); 2515 1.3.4.2 yamt } else { 2516 1.3.4.2 yamt /* same values as above or'ed 0x8 */ 2517 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP2MCSR, 0x00380409); 2518 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP5p5MCSR, 0x0015040a); 2519 1.3.4.2 yamt RAL_WRITE(sc, RT2560_PLCP11MCSR, 0x000b840b); 2520 1.3.4.2 yamt } 2521 1.3.4.2 yamt 2522 1.3.4.2 yamt DPRINTF(("updating PLCP for %s preamble\n", 2523 1.3.4.2 yamt (ic->ic_flags & IEEE80211_F_SHPREAMBLE) ? "short" : "long")); 2524 1.3.4.2 yamt } 2525 1.3.4.2 yamt 2526 1.3.4.2 yamt /* 2527 1.3.4.2 yamt * IEEE 802.11a uses short slot time. Refer to IEEE Std 802.11-1999 pp. 85 to 2528 1.3.4.2 yamt * know how these values are computed. 2529 1.3.4.2 yamt */ 2530 1.3.4.2 yamt static void 2531 1.3.4.2 yamt rt2560_update_slot(struct ifnet *ifp) 2532 1.3.4.2 yamt { 2533 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2534 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2535 1.3.4.2 yamt uint8_t slottime; 2536 1.3.4.2 yamt uint16_t sifs, pifs, difs, eifs; 2537 1.3.4.2 yamt uint32_t tmp; 2538 1.3.4.2 yamt 2539 1.3.4.2 yamt slottime = (ic->ic_flags & IEEE80211_F_SHSLOT) ? 9 : 20; 2540 1.3.4.2 yamt 2541 1.3.4.2 yamt /* define the MAC slot boundaries */ 2542 1.3.4.2 yamt sifs = RAL_SIFS - RT2560_RXTX_TURNAROUND; 2543 1.3.4.2 yamt pifs = sifs + slottime; 2544 1.3.4.2 yamt difs = sifs + 2 * slottime; 2545 1.3.4.2 yamt eifs = (ic->ic_curmode == IEEE80211_MODE_11B) ? 364 : 60; 2546 1.3.4.2 yamt 2547 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_CSR11); 2548 1.3.4.2 yamt tmp = (tmp & ~0x1f00) | slottime << 8; 2549 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR11, tmp); 2550 1.3.4.2 yamt 2551 1.3.4.2 yamt tmp = pifs << 16 | sifs; 2552 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR18, tmp); 2553 1.3.4.2 yamt 2554 1.3.4.2 yamt tmp = eifs << 16 | difs; 2555 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR19, tmp); 2556 1.3.4.2 yamt 2557 1.3.4.2 yamt DPRINTF(("setting slottime to %uus\n", slottime)); 2558 1.3.4.2 yamt } 2559 1.3.4.2 yamt 2560 1.3.4.2 yamt static void 2561 1.3.4.2 yamt rt2560_set_basicrates(struct rt2560_softc *sc) 2562 1.3.4.2 yamt { 2563 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2564 1.3.4.2 yamt 2565 1.3.4.2 yamt /* update basic rate set */ 2566 1.3.4.2 yamt if (ic->ic_curmode == IEEE80211_MODE_11B) { 2567 1.3.4.2 yamt /* 11b basic rates: 1, 2Mbps */ 2568 1.3.4.2 yamt RAL_WRITE(sc, RT2560_ARSP_PLCP_1, 0x3); 2569 1.3.4.2 yamt } else if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bss->ni_chan)) { 2570 1.3.4.2 yamt /* 11a basic rates: 6, 12, 24Mbps */ 2571 1.3.4.2 yamt RAL_WRITE(sc, RT2560_ARSP_PLCP_1, 0x150); 2572 1.3.4.2 yamt } else { 2573 1.3.4.2 yamt /* 11g basic rates: 1, 2, 5.5, 11, 6, 12, 24Mbps */ 2574 1.3.4.2 yamt RAL_WRITE(sc, RT2560_ARSP_PLCP_1, 0x15f); 2575 1.3.4.2 yamt } 2576 1.3.4.2 yamt } 2577 1.3.4.2 yamt 2578 1.3.4.2 yamt static void 2579 1.3.4.2 yamt rt2560_update_led(struct rt2560_softc *sc, int led1, int led2) 2580 1.3.4.2 yamt { 2581 1.3.4.2 yamt uint32_t tmp; 2582 1.3.4.2 yamt 2583 1.3.4.2 yamt /* set ON period to 70ms and OFF period to 30ms */ 2584 1.3.4.2 yamt tmp = led1 << 16 | led2 << 17 | 70 << 8 | 30; 2585 1.3.4.2 yamt RAL_WRITE(sc, RT2560_LEDCSR, tmp); 2586 1.3.4.2 yamt } 2587 1.3.4.2 yamt 2588 1.3.4.2 yamt static void 2589 1.3.4.2 yamt rt2560_set_bssid(struct rt2560_softc *sc, uint8_t *bssid) 2590 1.3.4.2 yamt { 2591 1.3.4.2 yamt uint32_t tmp; 2592 1.3.4.2 yamt 2593 1.3.4.2 yamt tmp = bssid[0] | bssid[1] << 8 | bssid[2] << 16 | bssid[3] << 24; 2594 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR5, tmp); 2595 1.3.4.2 yamt 2596 1.3.4.2 yamt tmp = bssid[4] | bssid[5] << 8; 2597 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR6, tmp); 2598 1.3.4.2 yamt 2599 1.3.4.2 yamt DPRINTF(("setting BSSID to %s\n", ether_sprintf(bssid))); 2600 1.3.4.2 yamt } 2601 1.3.4.2 yamt 2602 1.3.4.2 yamt static void 2603 1.3.4.2 yamt rt2560_set_macaddr(struct rt2560_softc *sc, uint8_t *addr) 2604 1.3.4.2 yamt { 2605 1.3.4.2 yamt uint32_t tmp; 2606 1.3.4.2 yamt 2607 1.3.4.2 yamt tmp = addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24; 2608 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR3, tmp); 2609 1.3.4.2 yamt 2610 1.3.4.2 yamt tmp = addr[4] | addr[5] << 8; 2611 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR4, tmp); 2612 1.3.4.2 yamt 2613 1.3.4.2 yamt DPRINTF(("setting MAC address to %s\n", ether_sprintf(addr))); 2614 1.3.4.2 yamt } 2615 1.3.4.2 yamt 2616 1.3.4.2 yamt static void 2617 1.3.4.2 yamt rt2560_get_macaddr(struct rt2560_softc *sc, uint8_t *addr) 2618 1.3.4.2 yamt { 2619 1.3.4.2 yamt uint32_t tmp; 2620 1.3.4.2 yamt 2621 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_CSR3); 2622 1.3.4.2 yamt addr[0] = tmp & 0xff; 2623 1.3.4.2 yamt addr[1] = (tmp >> 8) & 0xff; 2624 1.3.4.2 yamt addr[2] = (tmp >> 16) & 0xff; 2625 1.3.4.2 yamt addr[3] = (tmp >> 24); 2626 1.3.4.2 yamt 2627 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_CSR4); 2628 1.3.4.2 yamt addr[4] = tmp & 0xff; 2629 1.3.4.2 yamt addr[5] = (tmp >> 8) & 0xff; 2630 1.3.4.2 yamt } 2631 1.3.4.2 yamt 2632 1.3.4.2 yamt static void 2633 1.3.4.2 yamt rt2560_update_promisc(struct rt2560_softc *sc) 2634 1.3.4.2 yamt { 2635 1.3.4.2 yamt struct ifnet *ifp = &sc->sc_if; 2636 1.3.4.2 yamt uint32_t tmp; 2637 1.3.4.2 yamt 2638 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_RXCSR0); 2639 1.3.4.2 yamt 2640 1.3.4.2 yamt tmp &= ~RT2560_DROP_NOT_TO_ME; 2641 1.3.4.2 yamt if (!(ifp->if_flags & IFF_PROMISC)) 2642 1.3.4.2 yamt tmp |= RT2560_DROP_NOT_TO_ME; 2643 1.3.4.2 yamt 2644 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RXCSR0, tmp); 2645 1.3.4.2 yamt 2646 1.3.4.2 yamt DPRINTF(("%s promiscuous mode\n", (ifp->if_flags & IFF_PROMISC) ? 2647 1.3.4.2 yamt "entering" : "leaving")); 2648 1.3.4.2 yamt } 2649 1.3.4.2 yamt 2650 1.3.4.2 yamt static void 2651 1.3.4.2 yamt rt2560_set_txantenna(struct rt2560_softc *sc, int antenna) 2652 1.3.4.2 yamt { 2653 1.3.4.2 yamt uint32_t tmp; 2654 1.3.4.2 yamt uint8_t tx; 2655 1.3.4.2 yamt 2656 1.3.4.2 yamt tx = rt2560_bbp_read(sc, RT2560_BBP_TX) & ~RT2560_BBP_ANTMASK; 2657 1.3.4.2 yamt if (antenna == 1) 2658 1.3.4.2 yamt tx |= RT2560_BBP_ANTA; 2659 1.3.4.2 yamt else if (antenna == 2) 2660 1.3.4.2 yamt tx |= RT2560_BBP_ANTB; 2661 1.3.4.2 yamt else 2662 1.3.4.2 yamt tx |= RT2560_BBP_DIVERSITY; 2663 1.3.4.2 yamt 2664 1.3.4.2 yamt /* need to force I/Q flip for RF 2525e, 2526 and 5222 */ 2665 1.3.4.2 yamt if (sc->rf_rev == RT2560_RF_2525E || sc->rf_rev == RT2560_RF_2526 || 2666 1.3.4.2 yamt sc->rf_rev == RT2560_RF_5222) 2667 1.3.4.2 yamt tx |= RT2560_BBP_FLIPIQ; 2668 1.3.4.2 yamt 2669 1.3.4.2 yamt rt2560_bbp_write(sc, RT2560_BBP_TX, tx); 2670 1.3.4.2 yamt 2671 1.3.4.2 yamt /* update values for CCK and OFDM in BBPCSR1 */ 2672 1.3.4.2 yamt tmp = RAL_READ(sc, RT2560_BBPCSR1) & ~0x00070007; 2673 1.3.4.2 yamt tmp |= (tx & 0x7) << 16 | (tx & 0x7); 2674 1.3.4.2 yamt RAL_WRITE(sc, RT2560_BBPCSR1, tmp); 2675 1.3.4.2 yamt } 2676 1.3.4.2 yamt 2677 1.3.4.2 yamt static void 2678 1.3.4.2 yamt rt2560_set_rxantenna(struct rt2560_softc *sc, int antenna) 2679 1.3.4.2 yamt { 2680 1.3.4.2 yamt uint8_t rx; 2681 1.3.4.2 yamt 2682 1.3.4.2 yamt rx = rt2560_bbp_read(sc, RT2560_BBP_RX) & ~RT2560_BBP_ANTMASK; 2683 1.3.4.2 yamt if (antenna == 1) 2684 1.3.4.2 yamt rx |= RT2560_BBP_ANTA; 2685 1.3.4.2 yamt else if (antenna == 2) 2686 1.3.4.2 yamt rx |= RT2560_BBP_ANTB; 2687 1.3.4.2 yamt else 2688 1.3.4.2 yamt rx |= RT2560_BBP_DIVERSITY; 2689 1.3.4.2 yamt 2690 1.3.4.2 yamt /* need to force no I/Q flip for RF 2525e and 2526 */ 2691 1.3.4.2 yamt if (sc->rf_rev == RT2560_RF_2525E || sc->rf_rev == RT2560_RF_2526) 2692 1.3.4.2 yamt rx &= ~RT2560_BBP_FLIPIQ; 2693 1.3.4.2 yamt 2694 1.3.4.2 yamt rt2560_bbp_write(sc, RT2560_BBP_RX, rx); 2695 1.3.4.2 yamt } 2696 1.3.4.2 yamt 2697 1.3.4.2 yamt static const char * 2698 1.3.4.2 yamt rt2560_get_rf(int rev) 2699 1.3.4.2 yamt { 2700 1.3.4.2 yamt switch (rev) { 2701 1.3.4.2 yamt case RT2560_RF_2522: return "RT2522"; 2702 1.3.4.2 yamt case RT2560_RF_2523: return "RT2523"; 2703 1.3.4.2 yamt case RT2560_RF_2524: return "RT2524"; 2704 1.3.4.2 yamt case RT2560_RF_2525: return "RT2525"; 2705 1.3.4.2 yamt case RT2560_RF_2525E: return "RT2525e"; 2706 1.3.4.2 yamt case RT2560_RF_2526: return "RT2526"; 2707 1.3.4.2 yamt case RT2560_RF_5222: return "RT5222"; 2708 1.3.4.2 yamt default: return "unknown"; 2709 1.3.4.2 yamt } 2710 1.3.4.2 yamt } 2711 1.3.4.2 yamt 2712 1.3.4.2 yamt static void 2713 1.3.4.2 yamt rt2560_read_eeprom(struct rt2560_softc *sc) 2714 1.3.4.2 yamt { 2715 1.3.4.2 yamt uint16_t val; 2716 1.3.4.2 yamt int i; 2717 1.3.4.2 yamt 2718 1.3.4.2 yamt val = rt2560_eeprom_read(sc, RT2560_EEPROM_CONFIG0); 2719 1.3.4.2 yamt sc->rf_rev = (val >> 11) & 0x1f; 2720 1.3.4.2 yamt sc->hw_radio = (val >> 10) & 0x1; 2721 1.3.4.2 yamt sc->led_mode = (val >> 6) & 0x7; 2722 1.3.4.2 yamt sc->rx_ant = (val >> 4) & 0x3; 2723 1.3.4.2 yamt sc->tx_ant = (val >> 2) & 0x3; 2724 1.3.4.2 yamt sc->nb_ant = val & 0x3; 2725 1.3.4.2 yamt 2726 1.3.4.2 yamt /* read default values for BBP registers */ 2727 1.3.4.2 yamt for (i = 0; i < 16; i++) { 2728 1.3.4.2 yamt val = rt2560_eeprom_read(sc, RT2560_EEPROM_BBP_BASE + i); 2729 1.3.4.2 yamt sc->bbp_prom[i].reg = val >> 8; 2730 1.3.4.2 yamt sc->bbp_prom[i].val = val & 0xff; 2731 1.3.4.2 yamt } 2732 1.3.4.2 yamt 2733 1.3.4.2 yamt /* read Tx power for all b/g channels */ 2734 1.3.4.2 yamt for (i = 0; i < 14 / 2; i++) { 2735 1.3.4.2 yamt val = rt2560_eeprom_read(sc, RT2560_EEPROM_TXPOWER + i); 2736 1.3.4.2 yamt sc->txpow[i * 2] = val >> 8; 2737 1.3.4.2 yamt sc->txpow[i * 2 + 1] = val & 0xff; 2738 1.3.4.2 yamt } 2739 1.3.4.2 yamt } 2740 1.3.4.2 yamt 2741 1.3.4.2 yamt static int 2742 1.3.4.2 yamt rt2560_bbp_init(struct rt2560_softc *sc) 2743 1.3.4.2 yamt { 2744 1.3.4.2 yamt #define N(a) (sizeof (a) / sizeof ((a)[0])) 2745 1.3.4.2 yamt int i, ntries; 2746 1.3.4.2 yamt 2747 1.3.4.2 yamt /* wait for BBP to be ready */ 2748 1.3.4.2 yamt for (ntries = 0; ntries < 100; ntries++) { 2749 1.3.4.2 yamt if (rt2560_bbp_read(sc, RT2560_BBP_VERSION) != 0) 2750 1.3.4.2 yamt break; 2751 1.3.4.2 yamt DELAY(1); 2752 1.3.4.2 yamt } 2753 1.3.4.2 yamt if (ntries == 100) { 2754 1.3.4.2 yamt printf("%s: timeout waiting for BBP\n", sc->sc_dev.dv_xname); 2755 1.3.4.2 yamt return EIO; 2756 1.3.4.2 yamt } 2757 1.3.4.2 yamt 2758 1.3.4.2 yamt /* initialize BBP registers to default values */ 2759 1.3.4.2 yamt for (i = 0; i < N(rt2560_def_bbp); i++) { 2760 1.3.4.2 yamt rt2560_bbp_write(sc, rt2560_def_bbp[i].reg, 2761 1.3.4.2 yamt rt2560_def_bbp[i].val); 2762 1.3.4.2 yamt } 2763 1.3.4.2 yamt #if 0 2764 1.3.4.2 yamt /* initialize BBP registers to values stored in EEPROM */ 2765 1.3.4.2 yamt for (i = 0; i < 16; i++) { 2766 1.3.4.2 yamt if (sc->bbp_prom[i].reg == 0xff) 2767 1.3.4.2 yamt continue; 2768 1.3.4.2 yamt rt2560_bbp_write(sc, sc->bbp_prom[i].reg, sc->bbp_prom[i].val); 2769 1.3.4.2 yamt } 2770 1.3.4.2 yamt #endif 2771 1.3.4.2 yamt 2772 1.3.4.2 yamt return 0; 2773 1.3.4.2 yamt #undef N 2774 1.3.4.2 yamt } 2775 1.3.4.2 yamt 2776 1.3.4.2 yamt static int 2777 1.3.4.2 yamt rt2560_init(struct ifnet *ifp) 2778 1.3.4.2 yamt { 2779 1.3.4.2 yamt #define N(a) (sizeof (a) / sizeof ((a)[0])) 2780 1.3.4.2 yamt struct rt2560_softc *sc = ifp->if_softc; 2781 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2782 1.3.4.2 yamt uint32_t tmp; 2783 1.3.4.2 yamt int i; 2784 1.3.4.2 yamt 2785 1.3.4.2 yamt /* for CardBus, power on the socket */ 2786 1.3.4.2 yamt if (!(sc->sc_flags & RT2560_ENABLED)) { 2787 1.3.4.2 yamt if (sc->sc_enable != NULL && (*sc->sc_enable)(sc) != 0) { 2788 1.3.4.2 yamt printf("%s: could not enable device\n", 2789 1.3.4.2 yamt sc->sc_dev.dv_xname); 2790 1.3.4.2 yamt return EIO; 2791 1.3.4.2 yamt } 2792 1.3.4.2 yamt sc->sc_flags |= RT2560_ENABLED; 2793 1.3.4.2 yamt } 2794 1.3.4.2 yamt 2795 1.3.4.6 yamt rt2560_stop(ifp, 1); 2796 1.3.4.2 yamt 2797 1.3.4.2 yamt /* setup tx rings */ 2798 1.3.4.2 yamt tmp = RT2560_PRIO_RING_COUNT << 24 | 2799 1.3.4.2 yamt RT2560_ATIM_RING_COUNT << 16 | 2800 1.3.4.2 yamt RT2560_TX_RING_COUNT << 8 | 2801 1.3.4.2 yamt RT2560_TX_DESC_SIZE; 2802 1.3.4.2 yamt 2803 1.3.4.2 yamt /* rings _must_ be initialized in this _exact_ order! */ 2804 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR2, tmp); 2805 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR3, sc->txq.physaddr); 2806 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR5, sc->prioq.physaddr); 2807 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR4, sc->atimq.physaddr); 2808 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR6, sc->bcnq.physaddr); 2809 1.3.4.2 yamt 2810 1.3.4.2 yamt /* setup rx ring */ 2811 1.3.4.2 yamt tmp = RT2560_RX_RING_COUNT << 8 | RT2560_RX_DESC_SIZE; 2812 1.3.4.2 yamt 2813 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RXCSR1, tmp); 2814 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RXCSR2, sc->rxq.physaddr); 2815 1.3.4.2 yamt 2816 1.3.4.2 yamt /* initialize MAC registers to default values */ 2817 1.3.4.2 yamt for (i = 0; i < N(rt2560_def_mac); i++) 2818 1.3.4.2 yamt RAL_WRITE(sc, rt2560_def_mac[i].reg, rt2560_def_mac[i].val); 2819 1.3.4.2 yamt 2820 1.3.4.4 yamt IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 2821 1.3.4.2 yamt rt2560_set_macaddr(sc, ic->ic_myaddr); 2822 1.3.4.2 yamt 2823 1.3.4.2 yamt /* set basic rate set (will be updated later) */ 2824 1.3.4.2 yamt RAL_WRITE(sc, RT2560_ARSP_PLCP_1, 0x153); 2825 1.3.4.2 yamt 2826 1.3.4.2 yamt rt2560_update_slot(ifp); 2827 1.3.4.2 yamt rt2560_update_plcp(sc); 2828 1.3.4.2 yamt rt2560_update_led(sc, 0, 0); 2829 1.3.4.2 yamt 2830 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR1, RT2560_RESET_ASIC); 2831 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR1, RT2560_HOST_READY); 2832 1.3.4.2 yamt 2833 1.3.4.2 yamt if (rt2560_bbp_init(sc) != 0) { 2834 1.3.4.6 yamt rt2560_stop(ifp, 1); 2835 1.3.4.2 yamt return EIO; 2836 1.3.4.2 yamt } 2837 1.3.4.2 yamt 2838 1.3.4.6 yamt rt2560_set_txantenna(sc, 1); 2839 1.3.4.6 yamt rt2560_set_rxantenna(sc, 1); 2840 1.3.4.6 yamt 2841 1.3.4.2 yamt /* set default BSS channel */ 2842 1.3.4.2 yamt ic->ic_bss->ni_chan = ic->ic_ibss_chan; 2843 1.3.4.2 yamt rt2560_set_chan(sc, ic->ic_bss->ni_chan); 2844 1.3.4.2 yamt 2845 1.3.4.2 yamt /* kick Rx */ 2846 1.3.4.2 yamt tmp = RT2560_DROP_PHY_ERROR | RT2560_DROP_CRC_ERROR; 2847 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_MONITOR) { 2848 1.3.4.2 yamt tmp |= RT2560_DROP_CTL | RT2560_DROP_VERSION_ERROR; 2849 1.3.4.2 yamt if (ic->ic_opmode != IEEE80211_M_HOSTAP) 2850 1.3.4.2 yamt tmp |= RT2560_DROP_TODS; 2851 1.3.4.2 yamt if (!(ifp->if_flags & IFF_PROMISC)) 2852 1.3.4.2 yamt tmp |= RT2560_DROP_NOT_TO_ME; 2853 1.3.4.2 yamt } 2854 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RXCSR0, tmp); 2855 1.3.4.2 yamt 2856 1.3.4.2 yamt /* clear old FCS and Rx FIFO errors */ 2857 1.3.4.2 yamt RAL_READ(sc, RT2560_CNT0); 2858 1.3.4.2 yamt RAL_READ(sc, RT2560_CNT4); 2859 1.3.4.2 yamt 2860 1.3.4.2 yamt /* clear any pending interrupts */ 2861 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR7, 0xffffffff); 2862 1.3.4.2 yamt 2863 1.3.4.2 yamt /* enable interrupts */ 2864 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR8, RT2560_INTR_MASK); 2865 1.3.4.2 yamt 2866 1.3.4.2 yamt ifp->if_flags &= ~IFF_OACTIVE; 2867 1.3.4.2 yamt ifp->if_flags |= IFF_RUNNING; 2868 1.3.4.2 yamt 2869 1.3.4.2 yamt if (ic->ic_opmode == IEEE80211_M_MONITOR) 2870 1.3.4.2 yamt ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 2871 1.3.4.2 yamt else 2872 1.3.4.2 yamt ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2873 1.3.4.2 yamt 2874 1.3.4.2 yamt return 0; 2875 1.3.4.2 yamt #undef N 2876 1.3.4.2 yamt } 2877 1.3.4.2 yamt 2878 1.3.4.2 yamt static void 2879 1.3.4.6 yamt rt2560_stop(struct ifnet *ifp, int disable) 2880 1.3.4.2 yamt { 2881 1.3.4.6 yamt struct rt2560_softc *sc = ifp->if_softc; 2882 1.3.4.2 yamt struct ieee80211com *ic = &sc->sc_ic; 2883 1.3.4.2 yamt 2884 1.3.4.2 yamt sc->sc_tx_timer = 0; 2885 1.3.4.2 yamt ifp->if_timer = 0; 2886 1.3.4.2 yamt ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2887 1.3.4.2 yamt 2888 1.3.4.2 yamt ieee80211_new_state(ic, IEEE80211_S_INIT, -1); /* free all nodes */ 2889 1.3.4.2 yamt 2890 1.3.4.2 yamt /* abort Tx */ 2891 1.3.4.2 yamt RAL_WRITE(sc, RT2560_TXCSR0, RT2560_ABORT_TX); 2892 1.3.4.2 yamt 2893 1.3.4.2 yamt /* disable Rx */ 2894 1.3.4.2 yamt RAL_WRITE(sc, RT2560_RXCSR0, RT2560_DISABLE_RX); 2895 1.3.4.2 yamt 2896 1.3.4.2 yamt /* reset ASIC (and thus, BBP) */ 2897 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR1, RT2560_RESET_ASIC); 2898 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR1, 0); 2899 1.3.4.2 yamt 2900 1.3.4.2 yamt /* disable interrupts */ 2901 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR8, 0xffffffff); 2902 1.3.4.2 yamt 2903 1.3.4.2 yamt /* clear any pending interrupt */ 2904 1.3.4.2 yamt RAL_WRITE(sc, RT2560_CSR7, 0xffffffff); 2905 1.3.4.2 yamt 2906 1.3.4.2 yamt /* reset Tx and Rx rings */ 2907 1.3.4.2 yamt rt2560_reset_tx_ring(sc, &sc->txq); 2908 1.3.4.2 yamt rt2560_reset_tx_ring(sc, &sc->atimq); 2909 1.3.4.2 yamt rt2560_reset_tx_ring(sc, &sc->prioq); 2910 1.3.4.2 yamt rt2560_reset_tx_ring(sc, &sc->bcnq); 2911 1.3.4.2 yamt rt2560_reset_rx_ring(sc, &sc->rxq); 2912 1.3.4.2 yamt 2913 1.3.4.2 yamt } 2914
Indexes created Wed Oct 22 13:09:56 GMT 2025