diff options
Diffstat (limited to 'net/mac80211/tx.c')
-rw-r--r-- | net/mac80211/tx.c | 448 |
1 files changed, 218 insertions, 230 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 1460537..d7761e9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -46,13 +46,20 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, struct ieee80211_local *local = tx->local; struct ieee80211_supported_band *sband; struct ieee80211_hdr *hdr; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); + + /* assume HW handles this */ + if (info->control.rates[0].flags & IEEE80211_TX_RC_MCS) + return 0; + + /* uh huh? */ + if (WARN_ON_ONCE(info->control.rates[0].idx < 0)) + return 0; sband = local->hw.wiphy->bands[tx->channel->band]; - txrate = &sband->bitrates[tx->rate_idx]; + txrate = &sband->bitrates[info->control.rates[0].idx]; - erp = 0; - if (tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) - erp = txrate->flags & IEEE80211_RATE_ERP_G; + erp = txrate->flags & IEEE80211_RATE_ERP_G; /* * data and mgmt (except PS Poll): @@ -116,7 +123,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, if (r->bitrate > txrate->bitrate) break; - if (tx->sdata->bss_conf.basic_rates & BIT(i)) + if (tx->sdata->vif.bss_conf.basic_rates & BIT(i)) rate = r->bitrate; switch (sband->band) { @@ -150,7 +157,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, * to closest integer */ dur = ieee80211_frame_duration(local, 10, rate, erp, - tx->sdata->bss_conf.use_short_preamble); + tx->sdata->vif.bss_conf.use_short_preamble); if (next_frag_len) { /* Frame is fragmented: duration increases with time needed to @@ -159,7 +166,7 @@ static __le16 ieee80211_duration(struct ieee80211_tx_data *tx, int group_addr, /* next fragment */ dur += ieee80211_frame_duration(local, next_frag_len, txrate->bitrate, erp, - tx->sdata->bss_conf.use_short_preamble); + tx->sdata->vif.bss_conf.use_short_preamble); } return cpu_to_le16(dur); @@ -201,10 +208,9 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx) tx->sdata->vif.type != NL80211_IFTYPE_ADHOC && ieee80211_is_data(hdr->frame_control))) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - DECLARE_MAC_BUF(mac); printk(KERN_DEBUG "%s: dropped data frame to not " - "associated station %s\n", - tx->dev->name, print_mac(mac, hdr->addr1)); + "associated station %pM\n", + tx->dev->name, hdr->addr1); #endif /* CONFIG_MAC80211_VERBOSE_DEBUG */ I802_DEBUG_INC(tx->local->tx_handlers_drop_not_assoc); return TX_DROP; @@ -331,7 +337,6 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; u32 staflags; - DECLARE_MAC_BUF(mac); if (unlikely(!sta || ieee80211_is_probe_resp(hdr->frame_control))) return TX_CONTINUE; @@ -341,9 +346,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) if (unlikely((staflags & WLAN_STA_PS) && !(staflags & WLAN_STA_PSPOLL))) { #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG - printk(KERN_DEBUG "STA %s aid %d: PS buffer (entries " + printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries " "before %d)\n", - print_mac(mac, sta->sta.addr), sta->sta.aid, + sta->sta.addr, sta->sta.aid, skb_queue_len(&sta->ps_tx_buf)); #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ if (tx->local->total_ps_buffered >= TOTAL_MAX_TX_BUFFER) @@ -352,9 +357,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf); #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG if (net_ratelimit()) { - printk(KERN_DEBUG "%s: STA %s TX " + printk(KERN_DEBUG "%s: STA %pM TX " "buffer full - dropping oldest frame\n", - tx->dev->name, print_mac(mac, sta->sta.addr)); + tx->dev->name, sta->sta.addr); } #endif dev_kfree_skb(old); @@ -371,9 +376,9 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) } #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG else if (unlikely(test_sta_flags(sta, WLAN_STA_PS))) { - printk(KERN_DEBUG "%s: STA %s in PS mode, but pspoll " + printk(KERN_DEBUG "%s: STA %pM in PS mode, but pspoll " "set -> send frame\n", tx->dev->name, - print_mac(mac, sta->sta.addr)); + sta->sta.addr); } #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */ clear_sta_flags(sta, WLAN_STA_PSPOLL); @@ -439,140 +444,154 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx) { - struct rate_selection rsel; - struct ieee80211_supported_band *sband; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); + struct ieee80211_hdr *hdr = (void *)tx->skb->data; + struct ieee80211_supported_band *sband; + struct ieee80211_rate *rate; + int i, len; + bool inval = false, rts = false, short_preamble = false; + struct ieee80211_tx_rate_control txrc; - sband = tx->local->hw.wiphy->bands[tx->channel->band]; + memset(&txrc, 0, sizeof(txrc)); - if (likely(tx->rate_idx < 0)) { - rate_control_get_rate(tx->sdata, sband, tx->sta, - tx->skb, &rsel); - if (tx->sta) - tx->sta->last_txrate_idx = rsel.rate_idx; - tx->rate_idx = rsel.rate_idx; - if (unlikely(rsel.probe_idx >= 0)) { - info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; - tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; - info->control.retries[0].rate_idx = tx->rate_idx; - info->control.retries[0].limit = tx->local->hw.max_altrate_tries; - tx->rate_idx = rsel.probe_idx; - } else if (info->control.retries[0].limit == 0) - info->control.retries[0].rate_idx = -1; - - if (unlikely(tx->rate_idx < 0)) - return TX_DROP; - } else - info->control.retries[0].rate_idx = -1; + sband = tx->local->hw.wiphy->bands[tx->channel->band]; - if (tx->sdata->bss_conf.use_cts_prot && - (tx->flags & IEEE80211_TX_FRAGMENTED) && (rsel.nonerp_idx >= 0)) { - tx->last_frag_rate_idx = tx->rate_idx; - if (rsel.probe_idx >= 0) - tx->flags &= ~IEEE80211_TX_PROBE_LAST_FRAG; - else - tx->flags |= IEEE80211_TX_PROBE_LAST_FRAG; - tx->rate_idx = rsel.nonerp_idx; - info->tx_rate_idx = rsel.nonerp_idx; - info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; - } else { - tx->last_frag_rate_idx = tx->rate_idx; - info->tx_rate_idx = tx->rate_idx; + len = min_t(int, tx->skb->len + FCS_LEN, + tx->local->fragmentation_threshold); + + /* set up the tx rate control struct we give the RC algo */ + txrc.hw = local_to_hw(tx->local); + txrc.sband = sband; + txrc.bss_conf = &tx->sdata->vif.bss_conf; + txrc.skb = tx->skb; + txrc.reported_rate.idx = -1; + txrc.max_rate_idx = tx->sdata->max_ratectrl_rateidx; + + /* set up RTS protection if desired */ + if (tx->local->rts_threshold < IEEE80211_MAX_RTS_THRESHOLD && + len > tx->local->rts_threshold) { + txrc.rts = rts = true; } - info->tx_rate_idx = tx->rate_idx; - return TX_CONTINUE; -} + /* + * Use short preamble if the BSS can handle it, but not for + * management frames unless we know the receiver can handle + * that -- the management frame might be to a station that + * just wants a probe response. + */ + if (tx->sdata->vif.bss_conf.use_short_preamble && + (ieee80211_is_data(hdr->frame_control) || + (tx->sta && test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE)))) + txrc.short_preamble = short_preamble = true; -static ieee80211_tx_result debug_noinline -ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); - struct ieee80211_supported_band *sband; - sband = tx->local->hw.wiphy->bands[tx->channel->band]; + rate_control_get_rate(tx->sdata, tx->sta, &txrc); + + if (unlikely(info->control.rates[0].idx < 0)) + return TX_DROP; + + if (txrc.reported_rate.idx < 0) + txrc.reported_rate = info->control.rates[0]; if (tx->sta) - info->control.sta = &tx->sta->sta; + tx->sta->last_tx_rate = txrc.reported_rate; - if (!info->control.retry_limit) { - if (!is_multicast_ether_addr(hdr->addr1)) { - int len = min_t(int, tx->skb->len + FCS_LEN, - tx->local->fragmentation_threshold); - if (len > tx->local->rts_threshold - && tx->local->rts_threshold < - IEEE80211_MAX_RTS_THRESHOLD) { - info->flags |= IEEE80211_TX_CTL_USE_RTS_CTS; - info->flags |= - IEEE80211_TX_CTL_LONG_RETRY_LIMIT; - info->control.retry_limit = - tx->local->long_retry_limit; - } else { - info->control.retry_limit = - tx->local->short_retry_limit; - } - } else { - info->control.retry_limit = 1; - } - } + if (unlikely(!info->control.rates[0].count)) + info->control.rates[0].count = 1; - if (tx->flags & IEEE80211_TX_FRAGMENTED) { - /* Do not use multiple retry rates when sending fragmented - * frames. - * TODO: The last fragment could still use multiple retry - * rates. */ - info->control.retries[0].rate_idx = -1; + if (is_multicast_ether_addr(hdr->addr1)) { + /* + * XXX: verify the rate is in the basic rateset + */ + return TX_CONTINUE; } - /* Use CTS protection for unicast frames sent using extended rates if - * there are associated non-ERP stations and RTS/CTS is not configured - * for the frame. */ - if ((tx->sdata->flags & IEEE80211_SDATA_OPERATING_GMODE) && - (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_ERP_G) && - (tx->flags & IEEE80211_TX_UNICAST) && - tx->sdata->bss_conf.use_cts_prot && - !(info->flags & IEEE80211_TX_CTL_USE_RTS_CTS)) - info->flags |= IEEE80211_TX_CTL_USE_CTS_PROTECT; - - /* Transmit data frames using short preambles if the driver supports - * short preambles at the selected rate and short preambles are - * available on the network at the current point in time. */ - if (ieee80211_is_data(hdr->frame_control) && - (sband->bitrates[tx->rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) && - tx->sdata->bss_conf.use_short_preamble && - (!tx->sta || test_sta_flags(tx->sta, WLAN_STA_SHORT_PREAMBLE))) { - info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE; + /* + * set up the RTS/CTS rate as the fastest basic rate + * that is not faster than the data rate + * + * XXX: Should this check all retry rates? + */ + if (!(info->control.rates[0].flags & IEEE80211_TX_RC_MCS)) { + s8 baserate = 0; + + rate = &sband->bitrates[info->control.rates[0].idx]; + + for (i = 0; i < sband->n_bitrates; i++) { + /* must be a basic rate */ + if (!(tx->sdata->vif.bss_conf.basic_rates & BIT(i))) + continue; + /* must not be faster than the data rate */ + if (sband->bitrates[i].bitrate > rate->bitrate) + continue; + /* maximum */ + if (sband->bitrates[baserate].bitrate < + sband->bitrates[i].bitrate) + baserate = i; + } + + info->control.rts_cts_rate_idx = baserate; } - if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) || - (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) { - struct ieee80211_rate *rate; - s8 baserate = -1; - int idx; + for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { + /* + * make sure there's no valid rate following + * an invalid one, just in case drivers don't + * take the API seriously to stop at -1. + */ + if (inval) { + info->control.rates[i].idx = -1; + continue; + } + if (info->control.rates[i].idx < 0) { + inval = true; + continue; + } - /* Do not use multiple retry rates when using RTS/CTS */ - info->control.retries[0].rate_idx = -1; + /* + * For now assume MCS is already set up correctly, this + * needs to be fixed. + */ + if (info->control.rates[i].flags & IEEE80211_TX_RC_MCS) { + WARN_ON(info->control.rates[i].idx > 76); + continue; + } - /* Use min(data rate, max base rate) as CTS/RTS rate */ - rate = &sband->bitrates[tx->rate_idx]; + /* set up RTS protection if desired */ + if (rts) + info->control.rates[i].flags |= + IEEE80211_TX_RC_USE_RTS_CTS; - for (idx = 0; idx < sband->n_bitrates; idx++) { - if (sband->bitrates[idx].bitrate > rate->bitrate) - continue; - if (tx->sdata->bss_conf.basic_rates & BIT(idx) && - (baserate < 0 || - (sband->bitrates[baserate].bitrate - < sband->bitrates[idx].bitrate))) - baserate = idx; + /* RC is busted */ + if (WARN_ON_ONCE(info->control.rates[i].idx >= + sband->n_bitrates)) { + info->control.rates[i].idx = -1; + continue; } - if (baserate >= 0) - info->control.rts_cts_rate_idx = baserate; - else - info->control.rts_cts_rate_idx = 0; + rate = &sband->bitrates[info->control.rates[i].idx]; + + /* set up short preamble */ + if (short_preamble && + rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) + info->control.rates[i].flags |= + IEEE80211_TX_RC_USE_SHORT_PREAMBLE; + + /* set up G protection */ + if (!rts && tx->sdata->vif.bss_conf.use_cts_prot && + rate->flags & IEEE80211_RATE_ERP_G) + info->control.rates[i].flags |= + IEEE80211_TX_RC_USE_CTS_PROTECT; } + return TX_CONTINUE; +} + +static ieee80211_tx_result debug_noinline +ieee80211_tx_h_misc(struct ieee80211_tx_data *tx) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); + if (tx->sta) info->control.sta = &tx->sta->sta; @@ -602,8 +621,18 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) if (ieee80211_hdrlen(hdr->frame_control) < 24) return TX_CONTINUE; + /* + * Anything but QoS data that has a sequence number field + * (is long enough) gets a sequence number from the global + * counter. + */ if (!ieee80211_is_data_qos(hdr->frame_control)) { + /* driver should assign sequence number */ info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; + /* for pure STA mode without beacons, we can do it */ + hdr->seq_ctrl = cpu_to_le16(tx->sdata->sequence_number); + tx->sdata->sequence_number += 0x10; + tx->sdata->sequence_number &= IEEE80211_SCTL_SEQ; return TX_CONTINUE; } @@ -632,6 +661,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) { + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; size_t hdrlen, per_fragm, num_fragm, payload_len, left; struct sk_buff **frags, *first, *frag; @@ -648,9 +678,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) * This scenario is handled in __ieee80211_tx_prepare but extra * caution taken here as fragmented ampdu may cause Tx stop. */ - if (WARN_ON(tx->flags & IEEE80211_TX_CTL_AMPDU || - skb_get_queue_mapping(tx->skb) >= - ieee80211_num_regular_queues(&tx->local->hw))) + if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU)) return TX_DROP; first = tx->skb; @@ -684,20 +712,45 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) IEEE80211_ENCRYPT_TAILROOM); if (!frag) goto fail; + /* Make sure that all fragments use the same priority so * that they end up using the same TX queue */ frag->priority = first->priority; + skb_reserve(frag, tx->local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM); + + /* copy TX information */ + info = IEEE80211_SKB_CB(frag); + memcpy(info, first->cb, sizeof(frag->cb)); + + /* copy/fill in 802.11 header */ fhdr = (struct ieee80211_hdr *) skb_put(frag, hdrlen); memcpy(fhdr, first->data, hdrlen); - if (i == num_fragm - 2) - fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS); fhdr->seq_ctrl = cpu_to_le16(seq | ((i + 1) & IEEE80211_SCTL_FRAG)); + + if (i == num_fragm - 2) { + /* clear MOREFRAGS bit for the last fragment */ + fhdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_MOREFRAGS); + } else { + /* + * No multi-rate retries for fragmented frames, that + * would completely throw off the NAV at other STAs. + */ + info->control.rates[1].idx = -1; + info->control.rates[2].idx = -1; + info->control.rates[3].idx = -1; + info->control.rates[4].idx = -1; + BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5); + info->flags &= ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; + } + + /* copy data */ copylen = left > per_fragm ? per_fragm : left; memcpy(skb_put(frag, copylen), pos, copylen); - memcpy(frag->cb, first->cb, sizeof(frag->cb)); + skb_copy_queue_mapping(frag, first); + frag->do_not_encrypt = first->do_not_encrypt; pos += copylen; @@ -757,12 +810,10 @@ ieee80211_tx_h_calculate_duration(struct ieee80211_tx_data *tx) tx->extra_frag[0]->len); for (i = 0; i < tx->num_extra_frag; i++) { - if (i + 1 < tx->num_extra_frag) { + if (i + 1 < tx->num_extra_frag) next_len = tx->extra_frag[i + 1]->len; - } else { + else next_len = 0; - tx->rate_idx = tx->last_frag_rate_idx; - } hdr = (struct ieee80211_hdr *)tx->extra_frag[i]->data; hdr->duration_id = ieee80211_duration(tx, 0, next_len); @@ -815,7 +866,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, (struct ieee80211_radiotap_header *) skb->data; struct ieee80211_supported_band *sband; int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len); - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); sband = tx->local->hw.wiphy->bands[tx->channel->band]; @@ -829,8 +879,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, */ while (!ret) { - int i, target_rate; - ret = ieee80211_radiotap_iterator_next(&iterator); if (ret) @@ -844,38 +892,6 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, * get_unaligned((type *)iterator.this_arg) to dereference * iterator.this_arg for type "type" safely on all arches. */ - case IEEE80211_RADIOTAP_RATE: - /* - * radiotap rate u8 is in 500kbps units eg, 0x02=1Mbps - * ieee80211 rate int is in 100kbps units eg, 0x0a=1Mbps - */ - target_rate = (*iterator.this_arg) * 5; - for (i = 0; i < sband->n_bitrates; i++) { - struct ieee80211_rate *r; - - r = &sband->bitrates[i]; - - if (r->bitrate == target_rate) { - tx->rate_idx = i; - break; - } - } - break; - - case IEEE80211_RADIOTAP_ANTENNA: - /* - * radiotap uses 0 for 1st ant, mac80211 is 1 for - * 1st ant - */ - info->antenna_sel_tx = (*iterator.this_arg) + 1; - break; - -#if 0 - case IEEE80211_RADIOTAP_DBM_TX_POWER: - control->power_level = *iterator.this_arg; - break; -#endif - case IEEE80211_RADIOTAP_FLAGS: if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FCS) { /* @@ -933,7 +949,8 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, struct ieee80211_sub_if_data *sdata; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - int hdrlen; + int hdrlen, tid; + u8 *qc, *state; memset(tx, 0, sizeof(*tx)); tx->skb = skb; @@ -941,8 +958,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, tx->local = local; tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev); tx->channel = local->hw.conf.channel; - tx->rate_idx = -1; - tx->last_frag_rate_idx = -1; /* * Set this flag (used below to indicate "automatic fragmentation"), * it will be cleared/left by radiotap as desired. @@ -966,6 +981,15 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, tx->sta = sta_info_get(local, hdr->addr1); + if (tx->sta && ieee80211_is_data_qos(hdr->frame_control)) { + qc = ieee80211_get_qos_ctl(hdr); + tid = *qc & IEEE80211_QOS_CTL_TID_MASK; + + state = &tx->sta->ampdu_mlme.tid_state_tx[tid]; + if (*state == HT_AGG_STATE_OPERATIONAL) + info->flags |= IEEE80211_TX_CTL_AMPDU; + } + if (is_multicast_ether_addr(hdr->addr1)) { tx->flags &= ~IEEE80211_TX_UNICAST; info->flags |= IEEE80211_TX_CTL_NO_ACK; @@ -1043,23 +1067,11 @@ static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff *skb, if (!tx->extra_frag[i]) continue; info = IEEE80211_SKB_CB(tx->extra_frag[i]); - info->flags &= ~(IEEE80211_TX_CTL_USE_RTS_CTS | - IEEE80211_TX_CTL_USE_CTS_PROTECT | - IEEE80211_TX_CTL_CLEAR_PS_FILT | + info->flags &= ~(IEEE80211_TX_CTL_CLEAR_PS_FILT | IEEE80211_TX_CTL_FIRST_FRAGMENT); if (netif_subqueue_stopped(local->mdev, tx->extra_frag[i])) return IEEE80211_TX_FRAG_AGAIN; - if (i == tx->num_extra_frag) { - info->tx_rate_idx = tx->last_frag_rate_idx; - - if (tx->flags & IEEE80211_TX_PROBE_LAST_FRAG) - info->flags |= - IEEE80211_TX_CTL_RATE_CTRL_PROBE; - else - info->flags &= - ~IEEE80211_TX_CTL_RATE_CTRL_PROBE; - } ret = local->ops->tx(local_to_hw(local), tx->extra_frag[i]); @@ -1168,7 +1180,7 @@ retry: * queues, there's no reason for a driver to reject * a frame there, warn and drop it. */ - if (WARN_ON(queue >= ieee80211_num_regular_queues(&local->hw))) + if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU)) goto drop; store = &local->pending_packet[queue]; @@ -1196,9 +1208,6 @@ retry: store->skb = skb; store->extra_frag = tx.extra_frag; store->num_extra_frag = tx.num_extra_frag; - store->last_frag_rate_idx = tx.last_frag_rate_idx; - store->last_frag_rate_ctrl_probe = - !!(tx.flags & IEEE80211_TX_PROBE_LAST_FRAG); } out: rcu_read_unlock(); @@ -1593,12 +1602,10 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, compare_ether_addr(dev->dev_addr, skb->data + ETH_ALEN) == 0))) { #ifdef CONFIG_MAC80211_VERBOSE_DEBUG - DECLARE_MAC_BUF(mac); - if (net_ratelimit()) - printk(KERN_DEBUG "%s: dropped frame to %s" + printk(KERN_DEBUG "%s: dropped frame to %pM" " (unauthorized port)\n", dev->name, - print_mac(mac, hdr.addr1)); + hdr.addr1); #endif I802_DEBUG_INC(local->tx_handlers_drop_unauth_port); @@ -1757,10 +1764,7 @@ void ieee80211_tx_pending(unsigned long data) store = &local->pending_packet[i]; tx.extra_frag = store->extra_frag; tx.num_extra_frag = store->num_extra_frag; - tx.last_frag_rate_idx = store->last_frag_rate_idx; tx.flags = 0; - if (store->last_frag_rate_ctrl_probe) - tx.flags |= IEEE80211_TX_PROBE_LAST_FRAG; ret = __ieee80211_tx(local, store->skb, &tx); if (ret) { if (ret == IEEE80211_TX_FRAG_AGAIN) @@ -1775,8 +1779,7 @@ void ieee80211_tx_pending(unsigned long data) /* functions for drivers to get certain frames */ -static void ieee80211_beacon_add_tim(struct ieee80211_local *local, - struct ieee80211_if_ap *bss, +static void ieee80211_beacon_add_tim(struct ieee80211_if_ap *bss, struct sk_buff *skb, struct beacon_data *beacon) { @@ -1844,11 +1847,9 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, struct ieee80211_local *local = hw_to_local(hw); struct sk_buff *skb = NULL; struct ieee80211_tx_info *info; - struct net_device *bdev; struct ieee80211_sub_if_data *sdata = NULL; struct ieee80211_if_ap *ap = NULL; struct ieee80211_if_sta *ifsta = NULL; - struct rate_selection rsel; struct beacon_data *beacon; struct ieee80211_supported_band *sband; enum ieee80211_band band = local->hw.conf.channel->band; @@ -1858,7 +1859,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, rcu_read_lock(); sdata = vif_to_sdata(vif); - bdev = sdata->dev; if (sdata->vif.type == NL80211_IFTYPE_AP) { ap = &sdata->u.ap; @@ -1886,12 +1886,12 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, * of the tim bitmap in mac80211 and the driver. */ if (local->tim_in_locked_section) { - ieee80211_beacon_add_tim(local, ap, skb, beacon); + ieee80211_beacon_add_tim(ap, skb, beacon); } else { unsigned long flags; spin_lock_irqsave(&local->sta_lock, flags); - ieee80211_beacon_add_tim(local, ap, skb, beacon); + ieee80211_beacon_add_tim(ap, skb, beacon); spin_unlock_irqrestore(&local->sta_lock, flags); } @@ -1952,33 +1952,23 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, skb->do_not_encrypt = 1; info->band = band; - rate_control_get_rate(sdata, sband, NULL, skb, &rsel); - - if (unlikely(rsel.rate_idx < 0)) { - if (net_ratelimit()) { - printk(KERN_DEBUG "%s: ieee80211_beacon_get: " - "no rate found\n", - wiphy_name(local->hw.wiphy)); - } - dev_kfree_skb_any(skb); - skb = NULL; - goto out; - } + /* + * XXX: For now, always use the lowest rate + */ + info->control.rates[0].idx = 0; + info->control.rates[0].count = 1; + info->control.rates[1].idx = -1; + info->control.rates[2].idx = -1; + info->control.rates[3].idx = -1; + info->control.rates[4].idx = -1; + BUILD_BUG_ON(IEEE80211_TX_MAX_RATES != 5); info->control.vif = vif; - info->tx_rate_idx = rsel.rate_idx; info->flags |= IEEE80211_TX_CTL_NO_ACK; info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; - if (sdata->bss_conf.use_short_preamble && - sband->bitrates[rsel.rate_idx].flags & IEEE80211_RATE_SHORT_PREAMBLE) - info->flags |= IEEE80211_TX_CTL_SHORT_PREAMBLE; - - info->antenna_sel_tx = local->hw.conf.antenna_sel_tx; - info->control.retry_limit = 1; - -out: + out: rcu_read_unlock(); return skb; } @@ -2023,14 +2013,12 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, struct sk_buff *skb = NULL; struct sta_info *sta; struct ieee80211_tx_data tx; - struct net_device *bdev; struct ieee80211_sub_if_data *sdata; struct ieee80211_if_ap *bss = NULL; struct beacon_data *beacon; struct ieee80211_tx_info *info; sdata = vif_to_sdata(vif); - bdev = sdata->dev; bss = &sdata->u.ap; if (!bss) |