| if_ath.c (140759) | if_ath.c (140761) |
|---|---|
| 1/*- 2 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 21 unchanged lines hidden (view full) --- 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 34 * THE POSSIBILITY OF SUCH DAMAGES. 35 */ 36 37#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 21 unchanged lines hidden (view full) --- 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 32 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 34 * THE POSSIBILITY OF SUCH DAMAGES. 35 */ 36 37#include <sys/cdefs.h> |
| 38__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath.c 140759 2005-01-24 20:05:03Z sam $"); | 38__FBSDID("$FreeBSD: head/sys/dev/ath/if_ath.c 140761 2005-01-24 20:31:24Z sam $"); |
| 39 40/* 41 * Driver for the Atheros Wireless LAN controller. 42 * 43 * This software is derived from work of Atsushi Onoe; his contribution 44 * is greatly appreciated. 45 */ 46 --- 2574 unchanged lines hidden (view full) --- 2621 2622 m->m_pkthdr.rcvif = ifp; 2623 len = ds->ds_rxstat.rs_datalen; 2624 m->m_pkthdr.len = m->m_len = len; 2625 2626 sc->sc_stats.ast_ant_rx[ds->ds_rxstat.rs_antenna]++; 2627 2628 if (sc->sc_drvbpf) { | 39 40/* 41 * Driver for the Atheros Wireless LAN controller. 42 * 43 * This software is derived from work of Atsushi Onoe; his contribution 44 * is greatly appreciated. 45 */ 46 --- 2574 unchanged lines hidden (view full) --- 2621 2622 m->m_pkthdr.rcvif = ifp; 2623 len = ds->ds_rxstat.rs_datalen; 2624 m->m_pkthdr.len = m->m_len = len; 2625 2626 sc->sc_stats.ast_ant_rx[ds->ds_rxstat.rs_antenna]++; 2627 2628 if (sc->sc_drvbpf) { |
| 2629 const void *data; 2630 int hdrsize, hdrspace; | |
| 2631 u_int8_t rix; 2632 2633 /* 2634 * Discard anything shorter than an ack or cts. 2635 */ 2636 if (len < IEEE80211_ACK_LEN) { 2637 DPRINTF(sc, ATH_DEBUG_RECV, 2638 "%s: runt packet %d\n", 2639 __func__, len); 2640 sc->sc_stats.ast_rx_tooshort++; 2641 m_freem(m); 2642 goto rx_next; 2643 } 2644 rix = ds->ds_rxstat.rs_rate; | 2629 u_int8_t rix; 2630 2631 /* 2632 * Discard anything shorter than an ack or cts. 2633 */ 2634 if (len < IEEE80211_ACK_LEN) { 2635 DPRINTF(sc, ATH_DEBUG_RECV, 2636 "%s: runt packet %d\n", 2637 __func__, len); 2638 sc->sc_stats.ast_rx_tooshort++; 2639 m_freem(m); 2640 goto rx_next; 2641 } 2642 rix = ds->ds_rxstat.rs_rate; |
| 2645 sc->sc_rx_th.wr_flags = sc->sc_hwmap[rix].flags; | 2643 sc->sc_rx_th.wr_flags = sc->sc_hwmap[rix].rxflags; |
| 2646 sc->sc_rx_th.wr_rate = sc->sc_hwmap[rix].ieeerate; 2647 sc->sc_rx_th.wr_antsignal = ds->ds_rxstat.rs_rssi; 2648 sc->sc_rx_th.wr_antenna = ds->ds_rxstat.rs_antenna; 2649 /* XXX TSF */ 2650 | 2644 sc->sc_rx_th.wr_rate = sc->sc_hwmap[rix].ieeerate; 2645 sc->sc_rx_th.wr_antsignal = ds->ds_rxstat.rs_rssi; 2646 sc->sc_rx_th.wr_antenna = ds->ds_rxstat.rs_antenna; 2647 /* XXX TSF */ 2648 |
| 2651 /* 2652 * Gag, deal with hardware padding of headers. This 2653 * only happens for QoS frames. We copy the 802.11 2654 * header out-of-line and supply it separately, then 2655 * adjust the mbuf chain. It would be better if we 2656 * could just flag the packet in the radiotap header 2657 * and have applications DTRT. 2658 */ 2659 if (len > sizeof(struct ieee80211_qosframe)) { 2660 data = mtod(m, const void *); 2661 hdrsize = ieee80211_anyhdrsize(data); 2662 if (hdrsize & 3) { 2663 bcopy(data, &sc->sc_rx_wh, hdrsize); 2664 hdrspace = roundup(hdrsize, 2665 sizeof(u_int32_t)); 2666 m->m_data += hdrspace; 2667 m->m_len -= hdrspace; 2668 bpf_mtap2(sc->sc_drvbpf, &sc->sc_rx, 2669 sc->sc_rx_rt_len + hdrsize, m); 2670 m->m_data -= hdrspace; 2671 m->m_len += hdrspace; 2672 } else 2673 bpf_mtap2(sc->sc_drvbpf, 2674 &sc->sc_rx, sc->sc_rx_rt_len, m); 2675 } else 2676 bpf_mtap2(sc->sc_drvbpf, 2677 &sc->sc_rx, sc->sc_rx_rt_len, m); | 2649 bpf_mtap2(sc->sc_drvbpf, 2650 &sc->sc_rx_th, sc->sc_rx_th_len, m); |
| 2678 } 2679 2680 /* 2681 * From this point on we assume the frame is at least 2682 * as large as ieee80211_frame_min; verify that. 2683 */ 2684 if (len < IEEE80211_MIN_LEN) { 2685 DPRINTF(sc, ATH_DEBUG_RECV, "%s: short packet %d\n", --- 550 unchanged lines hidden (view full) --- 3236 3237 if (IFF_DUMPPKTS(sc, ATH_DEBUG_XMIT)) 3238 ieee80211_dump_pkt(mtod(m0, caddr_t), m0->m_len, 3239 sc->sc_hwmap[txrate].ieeerate, -1); 3240 3241 if (ic->ic_rawbpf) 3242 bpf_mtap(ic->ic_rawbpf, m0); 3243 if (sc->sc_drvbpf) { | 2651 } 2652 2653 /* 2654 * From this point on we assume the frame is at least 2655 * as large as ieee80211_frame_min; verify that. 2656 */ 2657 if (len < IEEE80211_MIN_LEN) { 2658 DPRINTF(sc, ATH_DEBUG_RECV, "%s: short packet %d\n", --- 550 unchanged lines hidden (view full) --- 3209 3210 if (IFF_DUMPPKTS(sc, ATH_DEBUG_XMIT)) 3211 ieee80211_dump_pkt(mtod(m0, caddr_t), m0->m_len, 3212 sc->sc_hwmap[txrate].ieeerate, -1); 3213 3214 if (ic->ic_rawbpf) 3215 bpf_mtap(ic->ic_rawbpf, m0); 3216 if (sc->sc_drvbpf) { |
| 3244 sc->sc_tx_th.wt_flags = sc->sc_hwmap[txrate].flags; | 3217 sc->sc_tx_th.wt_flags = sc->sc_hwmap[txrate].txflags; |
| 3245 if (iswep) 3246 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 3247 sc->sc_tx_th.wt_rate = sc->sc_hwmap[txrate].ieeerate; 3248 sc->sc_tx_th.wt_txpower = ni->ni_txpower; 3249 sc->sc_tx_th.wt_antenna = sc->sc_txantenna; 3250 3251 bpf_mtap2(sc->sc_drvbpf, 3252 &sc->sc_tx_th, sc->sc_tx_th_len, m0); --- 947 unchanged lines hidden (view full) --- 4200 u_int8_t ix = rt->rateCodeToIndex[i]; 4201 if (ix == 0xff) { 4202 sc->sc_hwmap[i].ledon = (500 * hz) / 1000; 4203 sc->sc_hwmap[i].ledoff = (130 * hz) / 1000; 4204 continue; 4205 } 4206 sc->sc_hwmap[i].ieeerate = 4207 rt->info[ix].dot11Rate & IEEE80211_RATE_VAL; | 3218 if (iswep) 3219 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP; 3220 sc->sc_tx_th.wt_rate = sc->sc_hwmap[txrate].ieeerate; 3221 sc->sc_tx_th.wt_txpower = ni->ni_txpower; 3222 sc->sc_tx_th.wt_antenna = sc->sc_txantenna; 3223 3224 bpf_mtap2(sc->sc_drvbpf, 3225 &sc->sc_tx_th, sc->sc_tx_th_len, m0); --- 947 unchanged lines hidden (view full) --- 4173 u_int8_t ix = rt->rateCodeToIndex[i]; 4174 if (ix == 0xff) { 4175 sc->sc_hwmap[i].ledon = (500 * hz) / 1000; 4176 sc->sc_hwmap[i].ledoff = (130 * hz) / 1000; 4177 continue; 4178 } 4179 sc->sc_hwmap[i].ieeerate = 4180 rt->info[ix].dot11Rate & IEEE80211_RATE_VAL; |
| 4181 sc->sc_hwmap[i].txflags = IEEE80211_RADIOTAP_F_DATAPAD; |
|
| 4208 if (rt->info[ix].shortPreamble || 4209 rt->info[ix].phy == IEEE80211_T_OFDM) | 4182 if (rt->info[ix].shortPreamble || 4183 rt->info[ix].phy == IEEE80211_T_OFDM) |
| 4210 sc->sc_hwmap[i].flags |= IEEE80211_RADIOTAP_F_SHORTPRE; | 4184 sc->sc_hwmap[i].txflags |= IEEE80211_RADIOTAP_F_SHORTPRE; 4185 /* NB: receive frames include FCS */ 4186 sc->sc_hwmap[i].rxflags = sc->sc_hwmap[i].txflags | 4187 IEEE80211_RADIOTAP_F_FCS; |
| 4211 /* setup blink rate table to avoid per-packet lookup */ 4212 for (j = 0; j < N(blinkrates)-1; j++) 4213 if (blinkrates[j].rate == sc->sc_hwmap[i].ieeerate) 4214 break; 4215 /* NB: this uses the last entry if the rate isn't found */ 4216 /* XXX beware of overlow */ 4217 sc->sc_hwmap[i].ledon = (blinkrates[j].timeOn * hz) / 1000; 4218 sc->sc_hwmap[i].ledoff = (blinkrates[j].timeOff * hz) / 1000; --- 419 unchanged lines hidden (view full) --- 4638 * 4639 * NB: the channel is setup each time we transition to the 4640 * RUN state to avoid filling it in for each frame. 4641 */ 4642 sc->sc_tx_th_len = roundup(sizeof(sc->sc_tx_th), sizeof(u_int32_t)); 4643 sc->sc_tx_th.wt_ihdr.it_len = htole16(sc->sc_tx_th_len); 4644 sc->sc_tx_th.wt_ihdr.it_present = htole32(ATH_TX_RADIOTAP_PRESENT); 4645 | 4188 /* setup blink rate table to avoid per-packet lookup */ 4189 for (j = 0; j < N(blinkrates)-1; j++) 4190 if (blinkrates[j].rate == sc->sc_hwmap[i].ieeerate) 4191 break; 4192 /* NB: this uses the last entry if the rate isn't found */ 4193 /* XXX beware of overlow */ 4194 sc->sc_hwmap[i].ledon = (blinkrates[j].timeOn * hz) / 1000; 4195 sc->sc_hwmap[i].ledoff = (blinkrates[j].timeOff * hz) / 1000; --- 419 unchanged lines hidden (view full) --- 4615 * 4616 * NB: the channel is setup each time we transition to the 4617 * RUN state to avoid filling it in for each frame. 4618 */ 4619 sc->sc_tx_th_len = roundup(sizeof(sc->sc_tx_th), sizeof(u_int32_t)); 4620 sc->sc_tx_th.wt_ihdr.it_len = htole16(sc->sc_tx_th_len); 4621 sc->sc_tx_th.wt_ihdr.it_present = htole32(ATH_TX_RADIOTAP_PRESENT); 4622 |
| 4646 sc->sc_rx_rt_len = roundup(sizeof(sc->sc_rx_th), sizeof(u_int32_t)); 4647 sc->sc_rx_th.wr_ihdr.it_len = htole16(sc->sc_rx_rt_len); | 4623 sc->sc_rx_th_len = roundup(sizeof(sc->sc_rx_th), sizeof(u_int32_t)); 4624 sc->sc_rx_th.wr_ihdr.it_len = htole16(sc->sc_rx_th_len); |
| 4648 sc->sc_rx_th.wr_ihdr.it_present = htole32(ATH_RX_RADIOTAP_PRESENT); 4649} 4650 4651/* 4652 * Announce various information on device/driver attach. 4653 */ 4654static void 4655ath_announce(struct ath_softc *sc) --- 43 unchanged lines hidden --- | 4625 sc->sc_rx_th.wr_ihdr.it_present = htole32(ATH_RX_RADIOTAP_PRESENT); 4626} 4627 4628/* 4629 * Announce various information on device/driver attach. 4630 */ 4631static void 4632ath_announce(struct ath_softc *sc) --- 43 unchanged lines hidden --- |