diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmsmac/main.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmsmac/main.c | 525 |
1 files changed, 332 insertions, 193 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 17594de4199..af8ba64ace3 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2010 Broadcom Corporation + * Copyright (c) 2013 Hauke Mehrtens <hauke@hauke-m.de> * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -101,8 +102,6 @@ #define DOT11_RTS_LEN 16 #define DOT11_CTS_LEN 10 #define DOT11_BA_BITMAP_LEN 128 -#define DOT11_MIN_BEACON_PERIOD 1 -#define DOT11_MAX_BEACON_PERIOD 0xFFFF #define DOT11_MAXNUMFRAGS 16 #define DOT11_MAX_FRAG_LEN 2346 @@ -450,6 +449,10 @@ static void brcms_c_detach_mfree(struct brcms_c_info *wlc) kfree(wlc->corestate); kfree(wlc->hw->bandstate[0]); kfree(wlc->hw); + if (wlc->beacon) + dev_kfree_skb_any(wlc->beacon); + if (wlc->probe_resp) + dev_kfree_skb_any(wlc->probe_resp); /* free the wlc */ kfree(wlc); @@ -879,8 +882,8 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) mcl = le16_to_cpu(txh->MacTxControlLow); if (txs->phyerr) - brcms_err(wlc->hw->d11core, "phyerr 0x%x, rate 0x%x\n", - txs->phyerr, txh->MainRates); + brcms_dbg_tx(wlc->hw->d11core, "phyerr 0x%x, rate 0x%x\n", + txs->phyerr, txh->MainRates); if (txs->frameid != le16_to_cpu(txh->TxFrameID)) { brcms_err(wlc->hw->d11core, "frameid != txh->TxFrameID\n"); @@ -1027,7 +1030,6 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) static bool brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) { - bool morepending = false; struct bcma_device *core; struct tx_status txstatus, *txs; u32 s1, s2; @@ -1041,23 +1043,20 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) txs = &txstatus; core = wlc_hw->d11core; *fatal = false; - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); - while (!(*fatal) - && (s1 & TXS_V)) { - /* !give others some time to run! */ - if (n >= max_tx_num) { - morepending = true; - break; - } + while (n < max_tx_num) { + s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); if (s1 == 0xffffffff) { brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); *fatal = true; return false; } - s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); + /* only process when valid */ + if (!(s1 & TXS_V)) + break; + s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); txs->status = s1 & TXS_STATUS_MASK; txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT; txs->sequence = s2 & TXS_SEQ_MASK; @@ -1065,20 +1064,17 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) txs->lasttxtime = 0; *fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs); - - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); + if (*fatal == true) + return false; n++; } - if (*fatal) - return false; - - return morepending; + return n >= max_tx_num; } static void brcms_c_tbtt(struct brcms_c_info *wlc) { - if (!wlc->bsscfg->BSS) + if (wlc->bsscfg->type == BRCMS_TYPE_ADHOC) /* * DirFrmQ is now valid...defer setting until end * of ATIM window @@ -1910,14 +1906,14 @@ static void brcms_c_get_macaddr(struct brcms_hardware *wlc_hw, u8 etheraddr[ETH_ /* If macaddr exists, use it (Sromrev4, CIS, ...). */ if (!is_zero_ether_addr(sprom->il0mac)) { - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); return; } if (wlc_hw->_nbands > 1) - memcpy(etheraddr, sprom->et1mac, 6); + memcpy(etheraddr, sprom->et1mac, ETH_ALEN); else - memcpy(etheraddr, sprom->il0mac, 6); + memcpy(etheraddr, sprom->il0mac, ETH_ALEN); } /* power both the pll and external oscillator on/off */ @@ -2172,6 +2168,32 @@ void brcms_b_switch_macfreq(struct brcms_hardware *wlc_hw, u8 spurmode) } } +void brcms_c_start_station(struct brcms_c_info *wlc, u8 *addr) +{ + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + wlc->bsscfg->type = BRCMS_TYPE_STATION; +} + +void brcms_c_start_ap(struct brcms_c_info *wlc, u8 *addr, const u8 *bssid, + u8 *ssid, size_t ssid_len) +{ + brcms_c_set_ssid(wlc, ssid, ssid_len); + + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + memcpy(wlc->bsscfg->BSSID, bssid, sizeof(wlc->bsscfg->BSSID)); + wlc->bsscfg->type = BRCMS_TYPE_AP; + + brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, MCTL_AP | MCTL_INFRA); +} + +void brcms_c_start_adhoc(struct brcms_c_info *wlc, u8 *addr) +{ + memcpy(wlc->pub->cur_etheraddr, addr, sizeof(wlc->pub->cur_etheraddr)); + wlc->bsscfg->type = BRCMS_TYPE_ADHOC; + + brcms_b_mctrl(wlc->hw, MCTL_AP | MCTL_INFRA, 0); +} + /* Initialize GPIOs that are controlled by D11 core */ static void brcms_c_gpio_init(struct brcms_c_info *wlc) { @@ -2473,6 +2495,7 @@ static void brcms_b_tx_fifo_resume(struct brcms_hardware *wlc_hw, static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) { static const u8 null_ether_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; + u8 *ethaddr = wlc_hw->wlc->pub->cur_etheraddr; if (mute_tx) { /* suspend tx fifos */ @@ -2482,8 +2505,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) brcms_b_tx_fifo_suspend(wlc_hw, TX_AC_VI_FIFO); /* zero the address match register so we do not send ACKs */ - brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, - null_ether_addr); + brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, null_ether_addr); } else { /* resume tx fifos */ brcms_b_tx_fifo_resume(wlc_hw, TX_DATA_FIFO); @@ -2492,8 +2514,7 @@ static void brcms_b_mute(struct brcms_hardware *wlc_hw, bool mute_tx) brcms_b_tx_fifo_resume(wlc_hw, TX_AC_VI_FIFO); /* Restore address */ - brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, - wlc_hw->etheraddr); + brcms_b_set_addrmatch(wlc_hw, RCM_MAC_OFFSET, ethaddr); } wlc_phy_mute_upd(wlc_hw->band->pi, mute_tx, 0); @@ -3053,28 +3074,8 @@ static void brcms_b_antsel_set(struct brcms_hardware *wlc_hw, u32 antsel_avail) */ static bool brcms_c_ps_allowed(struct brcms_c_info *wlc) { - struct brcms_bss_cfg *cfg = wlc->bsscfg; - - /* disallow PS when one of the following global conditions meets */ - if (!wlc->pub->associated) - return false; - - /* disallow PS when one of these meets when not scanning */ - if (wlc->filter_flags & FIF_PROMISC_IN_BSS) - return false; - - if (cfg->associated) { - /* - * disallow PS when one of the following - * bsscfg specific conditions meets - */ - if (!cfg->BSS) - return false; - - return false; - } - - return true; + /* not supporting PS so always return false for now */ + return false; } static void brcms_c_statsupd(struct brcms_c_info *wlc) @@ -3148,8 +3149,7 @@ void brcms_c_reset(struct brcms_c_info *wlc) brcms_c_statsupd(wlc); /* reset our snapshot of macstat counters */ - memset((char *)wlc->core->macstat_snapshot, 0, - sizeof(struct macstat)); + memset(wlc->core->macstat_snapshot, 0, sizeof(struct macstat)); brcms_b_reset(wlc->hw); } @@ -3782,7 +3782,7 @@ static int brcms_c_set_mac(struct brcms_bss_cfg *bsscfg) struct brcms_c_info *wlc = bsscfg->wlc; /* enter the MAC addr into the RXE match registers */ - brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, bsscfg->cur_etheraddr); + brcms_c_set_addrmatch(wlc, RCM_MAC_OFFSET, wlc->pub->cur_etheraddr); brcms_c_ampdu_macaddr_upd(wlc); @@ -3798,6 +3798,15 @@ static void brcms_c_set_bssid(struct brcms_bss_cfg *bsscfg) brcms_c_set_addrmatch(bsscfg->wlc, RCM_BSSID_OFFSET, bsscfg->BSSID); } +void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len) +{ + u8 len = min_t(u8, sizeof(wlc->bsscfg->SSID), ssid_len); + memset(wlc->bsscfg->SSID, 0, sizeof(wlc->bsscfg->SSID)); + + memcpy(wlc->bsscfg->SSID, ssid, len); + wlc->bsscfg->SSID_len = len; +} + static void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot) { wlc_hw->shortslot = shortslot; @@ -3832,7 +3841,7 @@ static void brcms_c_set_home_chanspec(struct brcms_c_info *wlc, u16 chanspec) if (wlc->home_chanspec != chanspec) { wlc->home_chanspec = chanspec; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) wlc->bsscfg->current_bss->chanspec = chanspec; } } @@ -4062,7 +4071,7 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, return; } - memset((char *)&acp_shm, 0, sizeof(struct shm_acparams)); + memset(&acp_shm, 0, sizeof(struct shm_acparams)); /* fill in shm ac params struct */ acp_shm.txop = params->txop; /* convert from units of 32us to us for ucode */ @@ -4102,10 +4111,14 @@ void brcms_c_wme_setparams(struct brcms_c_info *wlc, u16 aci, *shm_entry++); } - if (suspend) { + if (suspend) brcms_c_suspend_mac_and_wait(wlc); + + brcms_c_update_beacon(wlc); + brcms_c_update_probe_resp(wlc, false); + + if (suspend) brcms_c_enable_mac(wlc); - } } static void brcms_c_edcf_setparams(struct brcms_c_info *wlc, bool suspend) @@ -4343,7 +4356,6 @@ static void brcms_c_info_init(struct brcms_c_info *wlc, int unit) /* WME QoS mode is Auto by default */ wlc->pub->_ampdu = AMPDU_AGG_HOST; - wlc->pub->bcmerror = 0; } static uint brcms_c_attach_module(struct brcms_c_info *wlc) @@ -4640,7 +4652,9 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, wlc->band->phyrev = wlc_hw->band->phyrev; wlc->band->radioid = wlc_hw->band->radioid; wlc->band->radiorev = wlc_hw->band->radiorev; - + brcms_dbg_info(core, "wl%d: phy %u/%u radio %x/%u\n", unit, + wlc->band->phytype, wlc->band->phyrev, + wlc->band->radioid, wlc->band->radiorev); /* default contention windows size limits */ wlc_hw->band->CWmin = APHY_CWMIN; wlc_hw->band->CWmax = PHY_CWMAX; @@ -4655,7 +4669,7 @@ static int brcms_b_attach(struct brcms_c_info *wlc, struct bcma_device *core, brcms_c_coredisable(wlc_hw); /* Match driver "down" state */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); /* turn off pll and xtal to match driver "down" state */ brcms_b_xtal(wlc_hw, OFF); @@ -4778,7 +4792,7 @@ static void brcms_c_bss_default_init(struct brcms_c_info *wlc) struct brcms_bss_info *bi = wlc->default_bss; /* init default and target BSS with some sane initial values */ - memset((char *)(bi), 0, sizeof(struct brcms_bss_info)); + memset(bi, 0, sizeof(*bi)); bi->beacon_period = BEACON_INTERVAL_DEFAULT; /* fill the default channel as the first valid channel @@ -4856,14 +4870,11 @@ static void brcms_c_detach_module(struct brcms_c_info *wlc) /* * low level detach */ -static int brcms_b_detach(struct brcms_c_info *wlc) +static void brcms_b_detach(struct brcms_c_info *wlc) { uint i; struct brcms_hw_band *band; struct brcms_hardware *wlc_hw = wlc->hw; - int callbacks; - - callbacks = 0; brcms_b_detach_dmapio(wlc_hw); @@ -4886,9 +4897,6 @@ static int brcms_b_detach(struct brcms_c_info *wlc) ai_detach(wlc_hw->sih); wlc_hw->sih = NULL; } - - return callbacks; - } /* @@ -4903,14 +4911,15 @@ static int brcms_b_detach(struct brcms_c_info *wlc) */ uint brcms_c_detach(struct brcms_c_info *wlc) { - uint callbacks = 0; + uint callbacks; if (wlc == NULL) return 0; - callbacks += brcms_b_detach(wlc); + brcms_b_detach(wlc); /* delete software timers */ + callbacks = 0; if (!brcms_c_radio_monitor_stop(wlc)) callbacks++; @@ -4998,12 +5007,12 @@ static int brcms_b_up_prep(struct brcms_hardware *wlc_hw) */ if (brcms_b_radio_read_hwdisabled(wlc_hw)) { /* put SB PCI in down state again */ - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); return -ENOMEDIUM; } - ai_pci_up(wlc_hw->sih); + bcma_core_pci_up(wlc_hw->d11core->bus); /* reset the d11 core */ brcms_b_corereset(wlc_hw, BRCMS_USE_COREFLAGS); @@ -5083,8 +5092,8 @@ int brcms_c_up(struct brcms_c_info *wlc) struct brcms_bss_cfg *bsscfg = wlc->bsscfg; mboolset(wlc->pub->radio_disabled, WL_RADIO_HW_DISABLE); - - if (bsscfg->enable && bsscfg->BSS) + if (bsscfg->type == BRCMS_TYPE_STATION || + bsscfg->type == BRCMS_TYPE_ADHOC) brcms_err(wlc->hw->d11core, "wl%d: up: rfdisable -> " "bsscfg_disable()\n", @@ -5110,7 +5119,7 @@ int brcms_c_up(struct brcms_c_info *wlc) wlc->pub->up = true; if (wlc->bandinit_pending) { - ch = wlc->pub->ieee_hw->conf.channel; + ch = wlc->pub->ieee_hw->conf.chandef.chan; brcms_c_suspend_mac_and_wait(wlc); brcms_c_set_chanspec(wlc, ch20mhz_chspec(ch->hw_value)); wlc->bandinit_pending = false; @@ -5200,7 +5209,7 @@ static int brcms_b_down_finish(struct brcms_hardware *wlc_hw) /* turn off primary xtal and pll */ if (!wlc_hw->noreset) { - ai_pci_down(wlc_hw->sih); + bcma_core_pci_down(wlc_hw->d11core->bus); brcms_b_xtal(wlc_hw, OFF); } } @@ -5307,7 +5316,7 @@ int brcms_c_set_gmode(struct brcms_c_info *wlc, u8 gmode, bool config) brcms_c_protection_upd(wlc, BRCMS_PROT_G_USER, gmode); /* Clear rateset override */ - memset(&rs, 0, sizeof(struct brcms_c_rateset)); + memset(&rs, 0, sizeof(rs)); switch (gmode) { case GMODE_LEGACY_B: @@ -5445,7 +5454,7 @@ static void brcms_c_ofdm_rateset_war(struct brcms_c_info *wlc) u8 r; bool war = false; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) r = wlc->bsscfg->current_bss->rateset.rates[0]; else r = wlc->default_bss->rateset.rates[0]; @@ -5530,7 +5539,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) if (rs->count > BRCMS_NUMRATES) return -ENOBUFS; - memset(&internal_rs, 0, sizeof(struct brcms_c_rateset)); + memset(&internal_rs, 0, sizeof(internal_rs)); /* Copy only legacy rateset section */ internal_rs.count = rs->count; @@ -5539,7 +5548,7 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) /* merge rateset coming in with the current mcsset */ if (wlc->pub->_n_enab & SUPPORT_11N) { struct brcms_bss_info *mcsset_bss; - if (wlc->bsscfg->associated) + if (wlc->pub->associated) mcsset_bss = wlc->bsscfg->current_bss; else mcsset_bss = wlc->default_bss; @@ -5554,13 +5563,36 @@ int brcms_c_set_rateset(struct brcms_c_info *wlc, struct brcm_rateset *rs) return bcmerror; } +static void brcms_c_time_lock(struct brcms_c_info *wlc) +{ + bcma_set32(wlc->hw->d11core, D11REGOFFS(maccontrol), MCTL_TBTTHOLD); + /* Commit the write */ + bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol)); +} + +static void brcms_c_time_unlock(struct brcms_c_info *wlc) +{ + bcma_mask32(wlc->hw->d11core, D11REGOFFS(maccontrol), ~MCTL_TBTTHOLD); + /* Commit the write */ + bcma_read32(wlc->hw->d11core, D11REGOFFS(maccontrol)); +} + int brcms_c_set_beacon_period(struct brcms_c_info *wlc, u16 period) { - if (period < DOT11_MIN_BEACON_PERIOD || - period > DOT11_MAX_BEACON_PERIOD) + u32 bcnint_us; + + if (period == 0) return -EINVAL; wlc->default_bss->beacon_period = period; + + bcnint_us = period << 10; + brcms_c_time_lock(wlc); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfprep), + (bcnint_us << CFPREP_CBI_SHIFT)); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_cfpstart), bcnint_us); + brcms_c_time_unlock(wlc); + return 0; } @@ -5634,7 +5666,7 @@ int brcms_c_module_unregister(struct brcms_pub *pub, const char *name, for (i = 0; i < BRCMS_MAXMODULES; i++) { if (!strcmp(wlc->modulecb[i].name, name) && (wlc->modulecb[i].hdl == hdl)) { - memset(&wlc->modulecb[i], 0, sizeof(struct modulecb)); + memset(&wlc->modulecb[i], 0, sizeof(wlc->modulecb[i])); return 0; } } @@ -5658,7 +5690,7 @@ static bool brcms_c_chipmatch_pci(struct bcma_device *core) return true; if ((device == BCM43224_D11N_ID) || (device == BCM43225_D11N2G_ID)) return true; - if (device == BCM4313_D11N2G_ID) + if (device == BCM4313_D11N2G_ID || device == BCM4313_CHIP_ID) return true; if ((device == BCM43236_D11N_ID) || (device == BCM43236_D11N2G_ID)) return true; @@ -6454,10 +6486,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, if ((txrate[k]->flags & IEEE80211_TX_RC_MCS) && (!is_mcs_rate(rspec[k]))) { - brcms_err(wlc->hw->d11core, - "wl%d: %s: IEEE80211_TX_" - "RC_MCS != is_mcs_rate(rspec)\n", - wlc->pub->unit, __func__); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: IEEE80211_TX_RC_MCS != is_mcs_rate(rspec)\n", + wlc->pub->unit, __func__); } if (is_mcs_rate(rspec[k])) { @@ -6690,11 +6721,9 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, (struct ofdm_phy_hdr *) rts_plcp) : rts_plcp[0]) << 8; } else { - memset((char *)txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); - memset((char *)&txh->rts_frame, 0, - sizeof(struct ieee80211_rts)); - memset((char *)txh->RTSPLCPFallback, 0, - sizeof(txh->RTSPLCPFallback)); + memset(txh->RTSPhyHeader, 0, D11_PHY_HDR_LEN); + memset(&txh->rts_frame, 0, sizeof(struct ieee80211_rts)); + memset(txh->RTSPLCPFallback, 0, sizeof(txh->RTSPLCPFallback)); txh->RTSDurFallback = 0; } @@ -6849,21 +6878,19 @@ brcms_c_d11hdrs_mac80211(struct brcms_c_info *wlc, struct ieee80211_hw *hw, wlc->fragthresh[queue] = (u16) newfragthresh; } else { - brcms_err(wlc->hw->d11core, - "wl%d: %s txop invalid " - "for rate %d\n", - wlc->pub->unit, fifo_names[queue], - rspec2rate(rspec[0])); + brcms_warn(wlc->hw->d11core, + "wl%d: %s txop invalid for rate %d\n", + wlc->pub->unit, fifo_names[queue], + rspec2rate(rspec[0])); } if (dur > wlc->edcf_txop[ac]) - brcms_err(wlc->hw->d11core, - "wl%d: %s: %s txop " - "exceeded phylen %d/%d dur %d/%d\n", - wlc->pub->unit, __func__, - fifo_names[queue], - phylen, wlc->fragthresh[queue], - dur, wlc->edcf_txop[ac]); + brcms_warn(wlc->hw->d11core, + "wl%d: %s: %s txop exceeded phylen %d/%d dur %d/%d\n", + wlc->pub->unit, __func__, + fifo_names[queue], + phylen, wlc->fragthresh[queue], + dur, wlc->edcf_txop[ac]); } } @@ -7076,7 +7103,6 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, struct sk_buff *p, struct ieee80211_rx_status *rx_status) { - int preamble; int channel; u32 rspec; unsigned char *plcp; @@ -7159,7 +7185,6 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh, rx_status->rate_idx -= BRCMS_LEGACY_5G_RATE_OFFSET; /* Determine short preamble and rate_idx */ - preamble = 0; if (is_cck_rate(rspec)) { if (rxh->PhyRxStatus_0 & PRXS0_SHORTH) rx_status->flag |= RX_FLAG_SHORTPRE; @@ -7308,72 +7333,110 @@ brcms_c_mod_prb_rsp_rate_table(struct brcms_c_info *wlc, uint frame_len) } } -/* Max buffering needed for beacon template/prb resp template is 142 bytes. - * - * PLCP header is 6 bytes. - * 802.11 A3 header is 24 bytes. - * Max beacon frame body template length is 112 bytes. - * Max probe resp frame body template length is 110 bytes. - * - * *len on input contains the max length of the packet available. - * - * The *len value is set to the number of bytes in buf used, and starts - * with the PLCP and included up to, but not including, the 4 byte FCS. - */ -static void -brcms_c_bcn_prb_template(struct brcms_c_info *wlc, u16 type, - u32 bcn_rspec, - struct brcms_bss_cfg *cfg, u16 *buf, int *len) +int brcms_c_get_header_len(void) { - static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; - struct cck_phy_hdr *plcp; - struct ieee80211_mgmt *h; - int hdr_len, body_len; - - hdr_len = D11_PHY_HDR_LEN + DOT11_MAC_HDR_LEN; + return TXOFF; +} - /* calc buffer size provided for frame body */ - body_len = *len - hdr_len; - /* return actual size */ - *len = hdr_len + body_len; +static void brcms_c_beacon_write(struct brcms_c_info *wlc, + struct sk_buff *beacon, u16 tim_offset, + u16 dtim_period, bool bcn0, bool bcn1) +{ + size_t len; + struct ieee80211_tx_info *tx_info; + struct brcms_hardware *wlc_hw = wlc->hw; + struct ieee80211_hw *ieee_hw = brcms_c_pub(wlc)->ieee_hw; - /* format PHY and MAC headers */ - memset((char *)buf, 0, hdr_len); + /* Get tx_info */ + tx_info = IEEE80211_SKB_CB(beacon); - plcp = (struct cck_phy_hdr *) buf; + len = min_t(size_t, beacon->len, BCN_TMPL_LEN); + wlc->bcn_rspec = ieee80211_get_tx_rate(ieee_hw, tx_info)->hw_value; - /* - * PLCP for Probe Response frames are filled in from - * core's rate table - */ - if (type == IEEE80211_STYPE_BEACON) - /* fill in PLCP */ - brcms_c_compute_plcp(wlc, bcn_rspec, - (DOT11_MAC_HDR_LEN + body_len + FCS_LEN), - (u8 *) plcp); + brcms_c_compute_plcp(wlc, wlc->bcn_rspec, + len + FCS_LEN - D11_PHY_HDR_LEN, beacon->data); /* "Regular" and 16 MBSS but not for 4 MBSS */ /* Update the phytxctl for the beacon based on the rspec */ - brcms_c_beacon_phytxctl_txant_upd(wlc, bcn_rspec); + brcms_c_beacon_phytxctl_txant_upd(wlc, wlc->bcn_rspec); - h = (struct ieee80211_mgmt *)&plcp[1]; + if (bcn0) { + /* write the probe response into the template region */ + brcms_b_write_template_ram(wlc_hw, T_BCN0_TPL_BASE, + (len + 3) & ~3, beacon->data); - /* fill in 802.11 header */ - h->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | type); + /* write beacon length to SCR */ + brcms_b_write_shm(wlc_hw, M_BCN0_FRM_BYTESZ, (u16) len); + } + if (bcn1) { + /* write the probe response into the template region */ + brcms_b_write_template_ram(wlc_hw, T_BCN1_TPL_BASE, + (len + 3) & ~3, beacon->data); - /* DUR is 0 for multicast bcn, or filled in by MAC for prb resp */ - /* A1 filled in by MAC for prb resp, broadcast for bcn */ - if (type == IEEE80211_STYPE_BEACON) - memcpy(&h->da, ðer_bcast, ETH_ALEN); - memcpy(&h->sa, &cfg->cur_etheraddr, ETH_ALEN); - memcpy(&h->bssid, &cfg->BSSID, ETH_ALEN); + /* write beacon length to SCR */ + brcms_b_write_shm(wlc_hw, M_BCN1_FRM_BYTESZ, (u16) len); + } - /* SEQ filled in by MAC */ + if (tim_offset != 0) { + brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON, + tim_offset + D11B_PHY_HDR_LEN); + brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, dtim_period); + } else { + brcms_b_write_shm(wlc_hw, M_TIMBPOS_INBEACON, + len + D11B_PHY_HDR_LEN); + brcms_b_write_shm(wlc_hw, M_DOT11_DTIMPERIOD, 0); + } } -int brcms_c_get_header_len(void) +static void brcms_c_update_beacon_hw(struct brcms_c_info *wlc, + struct sk_buff *beacon, u16 tim_offset, + u16 dtim_period) { - return TXOFF; + struct brcms_hardware *wlc_hw = wlc->hw; + struct bcma_device *core = wlc_hw->d11core; + + /* Hardware beaconing for this config */ + u32 both_valid = MCMD_BCN0VLD | MCMD_BCN1VLD; + + /* Check if both templates are in use, if so sched. an interrupt + * that will call back into this routine + */ + if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) + /* clear any previous status */ + bcma_write32(core, D11REGOFFS(macintstatus), MI_BCNTPL); + + if (wlc->beacon_template_virgin) { + wlc->beacon_template_virgin = false; + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true, + true); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD); + return; + } + + /* Check that after scheduling the interrupt both of the + * templates are still busy. if not clear the int. & remask + */ + if ((bcma_read32(core, D11REGOFFS(maccommand)) & both_valid) == both_valid) { + wlc->defmacintmask |= MI_BCNTPL; + return; + } + + if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN0VLD)) { + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, true, + false); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN0VLD); + return; + } + if (!(bcma_read32(core, D11REGOFFS(maccommand)) & MCMD_BCN1VLD)) { + brcms_c_beacon_write(wlc, beacon, tim_offset, dtim_period, + false, true); + /* mark beacon0 valid */ + bcma_set32(core, D11REGOFFS(maccommand), MCMD_BCN1VLD); + return; + } + return; } /* @@ -7383,9 +7446,57 @@ void brcms_c_update_beacon(struct brcms_c_info *wlc) { struct brcms_bss_cfg *bsscfg = wlc->bsscfg; - if (bsscfg->up && !bsscfg->BSS) + if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP || + bsscfg->type == BRCMS_TYPE_ADHOC)) { /* Clear the soft intmask */ wlc->defmacintmask &= ~MI_BCNTPL; + if (!wlc->beacon) + return; + brcms_c_update_beacon_hw(wlc, wlc->beacon, + wlc->beacon_tim_offset, + wlc->beacon_dtim_period); + } +} + +void brcms_c_set_new_beacon(struct brcms_c_info *wlc, struct sk_buff *beacon, + u16 tim_offset, u16 dtim_period) +{ + if (!beacon) + return; + if (wlc->beacon) + dev_kfree_skb_any(wlc->beacon); + wlc->beacon = beacon; + + /* add PLCP */ + skb_push(wlc->beacon, D11_PHY_HDR_LEN); + wlc->beacon_tim_offset = tim_offset; + wlc->beacon_dtim_period = dtim_period; + brcms_c_update_beacon(wlc); +} + +void brcms_c_set_new_probe_resp(struct brcms_c_info *wlc, + struct sk_buff *probe_resp) +{ + if (!probe_resp) + return; + if (wlc->probe_resp) + dev_kfree_skb_any(wlc->probe_resp); + wlc->probe_resp = probe_resp; + + /* add PLCP */ + skb_push(wlc->probe_resp, D11_PHY_HDR_LEN); + brcms_c_update_probe_resp(wlc, false); +} + +void brcms_c_enable_probe_resp(struct brcms_c_info *wlc, bool enable) +{ + /* + * prevent ucode from sending probe responses by setting the timeout + * to 1, it can not send it in that time frame. + */ + wlc->prb_resp_timeout = enable ? BRCMS_PRB_RESP_TIMEOUT : 1; + brcms_b_write_shm(wlc->hw, M_PRS_MAXTIME, wlc->prb_resp_timeout); + /* TODO: if (enable) => also deactivate receiving of probe request */ } /* Write ssid into shared memory */ @@ -7407,26 +7518,19 @@ brcms_c_shm_ssid_upd(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg) static void brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, struct brcms_bss_cfg *cfg, + struct sk_buff *probe_resp, bool suspend) { - u16 prb_resp[BCN_TMPL_LEN / 2]; - int len = BCN_TMPL_LEN; + int len; - /* - * write the probe response to hardware, or save in - * the config structure - */ - - /* create the probe response template */ - brcms_c_bcn_prb_template(wlc, IEEE80211_STYPE_PROBE_RESP, 0, - cfg, prb_resp, &len); + len = min_t(size_t, probe_resp->len, BCN_TMPL_LEN); if (suspend) brcms_c_suspend_mac_and_wait(wlc); /* write the probe response into the template region */ brcms_b_write_template_ram(wlc->hw, T_PRS_TPL_BASE, - (len + 3) & ~3, prb_resp); + (len + 3) & ~3, probe_resp->data); /* write the length of the probe response frame (+PLCP/-FCS) */ brcms_b_write_shm(wlc->hw, M_PRB_RESP_FRM_LEN, (u16) len); @@ -7440,8 +7544,8 @@ brcms_c_bss_update_probe_resp(struct brcms_c_info *wlc, * PLCP header for the call to brcms_c_mod_prb_rsp_rate_table() * by subtracting the PLCP len and adding the FCS. */ - len += (-D11_PHY_HDR_LEN + FCS_LEN); - brcms_c_mod_prb_rsp_rate_table(wlc, (u16) len); + brcms_c_mod_prb_rsp_rate_table(wlc, + (u16)len + FCS_LEN - D11_PHY_HDR_LEN); if (suspend) brcms_c_enable_mac(wlc); @@ -7452,8 +7556,13 @@ void brcms_c_update_probe_resp(struct brcms_c_info *wlc, bool suspend) struct brcms_bss_cfg *bsscfg = wlc->bsscfg; /* update AP or IBSS probe responses */ - if (bsscfg->up && !bsscfg->BSS) - brcms_c_bss_update_probe_resp(wlc, bsscfg, suspend); + if (wlc->pub->up && (bsscfg->type == BRCMS_TYPE_AP || + bsscfg->type == BRCMS_TYPE_ADHOC)) { + if (!wlc->probe_resp) + return; + brcms_c_bss_update_probe_resp(wlc, bsscfg, wlc->probe_resp, + suspend); + } } int brcms_b_xmtfifo_sz_get(struct brcms_hardware *wlc_hw, uint fifo, @@ -7492,7 +7601,6 @@ void brcms_c_scan_stop(struct brcms_c_info *wlc) void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state) { wlc->pub->associated = state; - wlc->bsscfg->associated = state; } /* @@ -7518,25 +7626,16 @@ int brcms_c_get_curband(struct brcms_c_info *wlc) return wlc->band->bandunit; } -void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, bool drop) +bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc) { - int timeout = 20; int i; /* Kick DMA to send any pending AMPDU */ for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++) if (wlc->hw->di[i]) - dma_txflush(wlc->hw->di[i]); + dma_kick_tx(wlc->hw->di[i]); - /* wait for queue and DMA fifos to run dry */ - while (brcms_txpktpendtot(wlc) > 0) { - brcms_msleep(wlc->wl, 1); - - if (--timeout == 0) - break; - } - - WARN_ON_ONCE(timeout == 0); + return !brcms_txpktpendtot(wlc); } void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval) @@ -7546,6 +7645,36 @@ void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval) brcms_c_bcn_li_upd(wlc); } +u64 brcms_c_tsf_get(struct brcms_c_info *wlc) +{ + u32 tsf_h, tsf_l; + u64 tsf; + + brcms_b_read_tsf(wlc->hw, &tsf_l, &tsf_h); + + tsf = tsf_h; + tsf <<= 32; + tsf |= tsf_l; + + return tsf; +} + +void brcms_c_tsf_set(struct brcms_c_info *wlc, u64 tsf) +{ + u32 tsf_h, tsf_l; + + brcms_c_time_lock(wlc); + + tsf_l = tsf; + tsf_h = (tsf >> 32); + + /* read the tsf timer low, then high to get an atomic read */ + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerlow), tsf_l); + bcma_write32(wlc->hw->d11core, D11REGOFFS(tsf_timerhigh), tsf_h); + + brcms_c_time_unlock(wlc); +} + int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr) { uint qdbm; @@ -7633,7 +7762,7 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound) uint n = 0; uint bound_limit = bound ? RXBND : -1; - bool morepending; + bool morepending = false; skb_queue_head_init(&recv_frames); @@ -7757,6 +7886,10 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) brcms_rfkill_set_hw_state(wlc->wl); } + /* BCN template is available */ + if (macintstatus & MI_BCNTPL) + brcms_c_update_beacon(wlc); + /* it isn't done and needs to be resched if macintstatus is non-zero */ return wlc->macintstatus != 0; @@ -7768,7 +7901,7 @@ bool brcms_c_dpc(struct brcms_c_info *wlc, bool bounded) void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) { struct bcma_device *core = wlc->hw->d11core; - struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.channel; + struct ieee80211_channel *ch = wlc->pub->ieee_hw->conf.chandef.chan; u16 chanspec; brcms_dbg_info(core, "wl%d\n", wlc->pub->unit); @@ -7785,7 +7918,7 @@ void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) brcms_c_set_bssid(wlc->bsscfg); /* Update tsf_cfprep if associated and up */ - if (wlc->pub->associated && wlc->bsscfg->up) { + if (wlc->pub->associated && wlc->pub->up) { u32 bi; /* get beacon period and convert to uS */ @@ -7830,9 +7963,14 @@ void brcms_c_init(struct brcms_c_info *wlc, bool mute_tx) /* read the ucode version if we have not yet done so */ if (wlc->ucode_rev == 0) { - wlc->ucode_rev = - brcms_b_read_shm(wlc->hw, M_BOM_REV_MAJOR) << NBITS(u16); - wlc->ucode_rev |= brcms_b_read_shm(wlc->hw, M_BOM_REV_MINOR); + u16 rev; + u16 patch; + + rev = brcms_b_read_shm(wlc->hw, M_BOM_REV_MAJOR); + patch = brcms_b_read_shm(wlc->hw, M_BOM_REV_MINOR); + wlc->ucode_rev = (rev << NBITS(u16)) | patch; + snprintf(wlc->wiphy->fw_version, + sizeof(wlc->wiphy->fw_version), "%u.%u", rev, patch); } /* ..now really unleash hell (allow the MAC out of suspend) */ @@ -7888,6 +8026,7 @@ brcms_c_attach(struct brcms_info *wl, struct bcma_device *core, uint unit, pub->unit = unit; pub->_piomode = piomode; wlc->bandinit_pending = false; + wlc->beacon_template_virgin = true; /* populate struct brcms_c_info with default values */ brcms_c_info_init(wlc, unit); |