diff options
Diffstat (limited to 'drivers/net/wireless/p54/p54common.c')
-rw-r--r-- | drivers/net/wireless/p54/p54common.c | 631 |
1 files changed, 454 insertions, 177 deletions
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 34561e6e816..45c2e7ad3ac 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -239,11 +239,11 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw) if (priv->fw_var >= 0x300) { /* Firmware supports QoS, use it! */ - priv->tx_stats[4].limit = 3; /* AC_VO */ - priv->tx_stats[5].limit = 4; /* AC_VI */ - priv->tx_stats[6].limit = 3; /* AC_BE */ - priv->tx_stats[7].limit = 2; /* AC_BK */ - dev->queues = 4; + priv->tx_stats[P54_QUEUE_AC_VO].limit = 3; + priv->tx_stats[P54_QUEUE_AC_VI].limit = 4; + priv->tx_stats[P54_QUEUE_AC_BE].limit = 3; + priv->tx_stats[P54_QUEUE_AC_BK].limit = 2; + dev->queues = P54_QUEUE_AC_NUM; } if (!modparam_nohwcrypt) @@ -272,13 +272,19 @@ static int p54_convert_rev0(struct ieee80211_hw *dev, unsigned int i, j; void *source, *target; - priv->curve_data = kmalloc(cd_len, GFP_KERNEL); + priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len, + GFP_KERNEL); if (!priv->curve_data) return -ENOMEM; - memcpy(priv->curve_data, curve_data, sizeof(*curve_data)); + priv->curve_data->entries = curve_data->channels; + priv->curve_data->entry_size = sizeof(__le16) + + sizeof(*dst) * curve_data->points_per_channel; + priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); + priv->curve_data->len = cd_len; + memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); source = curve_data->data; - target = priv->curve_data->data; + target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; for (i = 0; i < curve_data->channels; i++) { __le16 *freq = source; source += sizeof(__le16); @@ -318,13 +324,19 @@ static int p54_convert_rev1(struct ieee80211_hw *dev, unsigned int i, j; void *source, *target; - priv->curve_data = kmalloc(cd_len, GFP_KERNEL); + priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data), + GFP_KERNEL); if (!priv->curve_data) return -ENOMEM; - memcpy(priv->curve_data, curve_data, sizeof(*curve_data)); + priv->curve_data->entries = curve_data->channels; + priv->curve_data->entry_size = sizeof(__le16) + + sizeof(*dst) * curve_data->points_per_channel; + priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); + priv->curve_data->len = cd_len; + memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); source = curve_data->data; - target = priv->curve_data->data; + target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; for (i = 0; i < curve_data->channels; i++) { __le16 *freq = source; source += sizeof(__le16); @@ -376,7 +388,102 @@ static void p54_parse_rssical(struct ieee80211_hw *dev, void *data, int len, } } -static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) +static void p54_parse_default_country(struct ieee80211_hw *dev, + void *data, int len) +{ + struct pda_country *country; + + if (len != sizeof(*country)) { + printk(KERN_ERR "%s: found possible invalid default country " + "eeprom entry. (entry size: %d)\n", + wiphy_name(dev->wiphy), len); + + print_hex_dump_bytes("country:", DUMP_PREFIX_NONE, + data, len); + + printk(KERN_ERR "%s: please report this issue.\n", + wiphy_name(dev->wiphy)); + return; + } + + country = (struct pda_country *) data; + if (country->flags == PDR_COUNTRY_CERT_CODE_PSEUDO) + regulatory_hint(dev->wiphy, country->alpha2); + else { + /* TODO: + * write a shared/common function that converts + * "Regulatory domain codes" (802.11-2007 14.8.2.2) + * into ISO/IEC 3166-1 alpha2 for regulatory_hint. + */ + } +} + +static int p54_convert_output_limits(struct ieee80211_hw *dev, + u8 *data, size_t len) +{ + struct p54_common *priv = dev->priv; + + if (len < 2) + return -EINVAL; + + if (data[0] != 0) { + printk(KERN_ERR "%s: unknown output power db revision:%x\n", + wiphy_name(dev->wiphy), data[0]); + return -EINVAL; + } + + if (2 + data[1] * sizeof(struct pda_channel_output_limit) > len) + return -EINVAL; + + priv->output_limit = kmalloc(data[1] * + sizeof(struct pda_channel_output_limit) + + sizeof(*priv->output_limit), GFP_KERNEL); + + if (!priv->output_limit) + return -ENOMEM; + + priv->output_limit->offset = 0; + priv->output_limit->entries = data[1]; + priv->output_limit->entry_size = + sizeof(struct pda_channel_output_limit); + priv->output_limit->len = priv->output_limit->entry_size * + priv->output_limit->entries + + priv->output_limit->offset; + + memcpy(priv->output_limit->data, &data[2], + data[1] * sizeof(struct pda_channel_output_limit)); + + return 0; +} + +static struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src, + size_t total_len) +{ + struct p54_cal_database *dst; + size_t payload_len, entries, entry_size, offset; + + payload_len = le16_to_cpu(src->len); + entries = le16_to_cpu(src->entries); + entry_size = le16_to_cpu(src->entry_size); + offset = le16_to_cpu(src->offset); + if (((entries * entry_size + offset) != payload_len) || + (payload_len + sizeof(*src) != total_len)) + return NULL; + + dst = kmalloc(sizeof(*dst) + payload_len, GFP_KERNEL); + if (!dst) + return NULL; + + dst->entries = entries; + dst->entry_size = entry_size; + dst->offset = offset; + dst->len = payload_len; + + memcpy(dst->data, src->data, payload_len); + return dst; +} + +int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) { struct p54_common *priv = dev->priv; struct eeprom_pda_wrap *wrap = NULL; @@ -401,30 +508,17 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) switch (le16_to_cpu(entry->code)) { case PDR_MAC_ADDRESS: + if (data_len != ETH_ALEN) + break; SET_IEEE80211_PERM_ADDR(dev, entry->data); break; case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS: - if (data_len < 2) { - err = -EINVAL; - goto err; - } - - if (2 + entry->data[1]*sizeof(*priv->output_limit) > data_len) { - err = -EINVAL; - goto err; - } - - priv->output_limit = kmalloc(entry->data[1] * - sizeof(*priv->output_limit), GFP_KERNEL); - - if (!priv->output_limit) { - err = -ENOMEM; + if (priv->output_limit) + break; + err = p54_convert_output_limits(dev, entry->data, + data_len); + if (err) goto err; - } - - memcpy(priv->output_limit, &entry->data[2], - entry->data[1]*sizeof(*priv->output_limit)); - priv->output_limit_len = entry->data[1]; break; case PDR_PRISM_PA_CAL_CURVE_DATA: { struct pda_pa_curve_data *curve_data = @@ -463,6 +557,9 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) memcpy(priv->iq_autocal, entry->data, data_len); priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry); break; + case PDR_DEFAULT_COUNTRY: + p54_parse_default_country(dev, entry->data, data_len); + break; case PDR_INTERFACE_LIST: tmp = entry->data; while ((u8 *)tmp < entry->data + data_len) { @@ -473,6 +570,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) } break; case PDR_HARDWARE_PLATFORM_COMPONENT_ID: + if (data_len < 2) + break; priv->version = *(u8 *)(entry->data + 1); break; case PDR_RSSI_LINEAR_APPROXIMATION: @@ -481,6 +580,34 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) p54_parse_rssical(dev, entry->data, data_len, le16_to_cpu(entry->code)); break; + case PDR_RSSI_LINEAR_APPROXIMATION_CUSTOM: { + __le16 *src = (void *) entry->data; + s16 *dst = (void *) &priv->rssical_db; + int i; + + if (data_len != sizeof(priv->rssical_db)) { + err = -EINVAL; + goto err; + } + for (i = 0; i < sizeof(priv->rssical_db) / + sizeof(*src); i++) + *(dst++) = (s16) le16_to_cpu(*(src++)); + } + break; + case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS_CUSTOM: { + struct pda_custom_wrapper *pda = (void *) entry->data; + if (priv->output_limit || data_len < sizeof(*pda)) + break; + priv->output_limit = p54_convert_db(pda, data_len); + } + break; + case PDR_PRISM_PA_CAL_CURVE_DATA_CUSTOM: { + struct pda_custom_wrapper *pda = (void *) entry->data; + if (priv->curve_data || data_len < sizeof(*pda)) + break; + priv->curve_data = p54_convert_db(pda, data_len); + } + break; case PDR_END: /* make it overrun */ entry_len = len; @@ -497,7 +624,6 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) case PDR_UTF8_OEM_NAME: case PDR_UTF8_PRODUCT_NAME: case PDR_COUNTRY_LIST: - case PDR_DEFAULT_COUNTRY: case PDR_ANTENNA_GAIN: case PDR_PRISM_INDIGO_PA_CALIBRATION_DATA: case PDR_REGULATORY_POWER_LIMITS: @@ -525,12 +651,16 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) } priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK; - if (priv->rxhw == 4) + if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW) p54_init_xbow_synth(dev); if (!(synth & PDR_SYNTH_24_GHZ_DISABLED)) dev->wiphy->bands[IEEE80211_BAND_2GHZ] = &band_2GHz; if (!(synth & PDR_SYNTH_5_GHZ_DISABLED)) dev->wiphy->bands[IEEE80211_BAND_5GHZ] = &band_5GHz; + if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED) + priv->rx_diversity_mask = 3; + if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED) + priv->tx_diversity_mask = 3; if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { u8 perm_addr[ETH_ALEN]; @@ -568,13 +698,21 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) wiphy_name(dev->wiphy)); return err; } +EXPORT_SYMBOL_GPL(p54_parse_eeprom); static int p54_rssi_to_dbm(struct ieee80211_hw *dev, int rssi) { struct p54_common *priv = dev->priv; int band = dev->conf.channel->band; - return ((rssi * priv->rssical_db[band].mul) / 64 + + if (priv->rxhw != PDR_SYNTH_FRONTEND_LONGBOW) + return ((rssi * priv->rssical_db[band].mul) / 64 + + priv->rssical_db[band].add) / 4; + else + /* + * TODO: find the correct formula + */ + return ((rssi * priv->rssical_db[band].mul) / 64 + priv->rssical_db[band].add) / 4; } @@ -655,7 +793,8 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev) return ; for (i = 0; i < dev->queues; i++) - if (priv->tx_stats[i + 4].len < priv->tx_stats[i + 4].limit) + if (priv->tx_stats[i + P54_QUEUE_DATA].len < + priv->tx_stats[i + P54_QUEUE_DATA].limit) ieee80211_wake_queue(dev, i); } @@ -663,7 +802,7 @@ void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb) { struct p54_common *priv = dev->priv; struct ieee80211_tx_info *info; - struct memrecord *range; + struct p54_tx_info *range; unsigned long flags; u32 freed = 0, last_addr = priv->rx_start; @@ -681,18 +820,18 @@ void p54_free_skb(struct ieee80211_hw *dev, struct sk_buff *skb) range = (void *)info->rate_driver_data; if (skb->prev != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; - struct memrecord *mr; + struct p54_tx_info *mr; ni = IEEE80211_SKB_CB(skb->prev); - mr = (struct memrecord *)ni->rate_driver_data; + mr = (struct p54_tx_info *)ni->rate_driver_data; last_addr = mr->end_addr; } if (skb->next != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; - struct memrecord *mr; + struct p54_tx_info *mr; ni = IEEE80211_SKB_CB(skb->next); - mr = (struct memrecord *)ni->rate_driver_data; + mr = (struct p54_tx_info *)ni->rate_driver_data; freed = mr->start_addr - last_addr; } else freed = priv->rx_end - last_addr; @@ -734,7 +873,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) struct p54_frame_sent *payload = (struct p54_frame_sent *) hdr->data; struct sk_buff *entry = (struct sk_buff *) priv->tx_queue.next; u32 addr = le32_to_cpu(hdr->req_id) - priv->headroom; - struct memrecord *range = NULL; + struct p54_tx_info *range = NULL; u32 freed = 0; u32 last_addr = priv->rx_start; unsigned long flags; @@ -756,10 +895,10 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) if (entry->next != (struct sk_buff *)&priv->tx_queue) { struct ieee80211_tx_info *ni; - struct memrecord *mr; + struct p54_tx_info *mr; ni = IEEE80211_SKB_CB(entry->next); - mr = (struct memrecord *)ni->rate_driver_data; + mr = (struct p54_tx_info *)ni->rate_driver_data; freed = mr->start_addr - last_addr; } else freed = priv->rx_end - last_addr; @@ -774,9 +913,16 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) priv->tx_stats[entry_data->hw_queue].len--; priv->stats.dot11ACKFailureCount += payload->tries - 1; - if (unlikely(entry == priv->cached_beacon)) { + /* + * Frames in P54_QUEUE_FWSCAN and P54_QUEUE_BEACON are + * generated by the driver. Therefore tx_status is bogus + * and we don't want to confuse the mac80211 stack. + */ + if (unlikely(entry_data->hw_queue < P54_QUEUE_FWSCAN)) { + if (entry_data->hw_queue == P54_QUEUE_BEACON) + priv->cached_beacon = NULL; + kfree_skb(entry); - priv->cached_beacon = NULL; goto out; } @@ -969,8 +1115,8 @@ EXPORT_SYMBOL_GPL(p54_rx); * can find some unused memory to upload our packets to. However, data that we * want the card to TX needs to stay intact until the card has told us that * it is done with it. This function finds empty places we can upload to and - * marks allocated areas as reserved if necessary. p54_rx_frame_sent frees - * allocated areas. + * marks allocated areas as reserved if necessary. p54_rx_frame_sent or + * p54_free_skb frees allocated areas. */ static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, struct p54_hdr *data, u32 len) @@ -979,7 +1125,7 @@ static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, struct sk_buff *entry = priv->tx_queue.next; struct sk_buff *target_skb = NULL; struct ieee80211_tx_info *info; - struct memrecord *range; + struct p54_tx_info *range; u32 last_addr = priv->rx_start; u32 largest_hole = 0; u32 target_addr = priv->rx_start; @@ -1060,25 +1206,29 @@ static int p54_assign_address(struct ieee80211_hw *dev, struct sk_buff *skb, return 0; } -static struct sk_buff *p54_alloc_skb(struct ieee80211_hw *dev, - u16 hdr_flags, u16 len, u16 type, gfp_t memflags) +static struct sk_buff *p54_alloc_skb(struct ieee80211_hw *dev, u16 hdr_flags, + u16 payload_len, u16 type, gfp_t memflags) { struct p54_common *priv = dev->priv; struct p54_hdr *hdr; struct sk_buff *skb; + size_t frame_len = sizeof(*hdr) + payload_len; + + if (frame_len > P54_MAX_CTRL_FRAME_LEN) + return NULL; - skb = __dev_alloc_skb(len + priv->tx_hdr_len, memflags); + skb = __dev_alloc_skb(priv->tx_hdr_len + frame_len, memflags); if (!skb) return NULL; skb_reserve(skb, priv->tx_hdr_len); hdr = (struct p54_hdr *) skb_put(skb, sizeof(*hdr)); hdr->flags = cpu_to_le16(hdr_flags); - hdr->len = cpu_to_le16(len - sizeof(*hdr)); + hdr->len = cpu_to_le16(payload_len); hdr->type = cpu_to_le16(type); hdr->tries = hdr->rts_tries = 0; - if (unlikely(p54_assign_address(dev, skb, hdr, len))) { + if (p54_assign_address(dev, skb, hdr, frame_len)) { kfree_skb(skb); return NULL; } @@ -1088,7 +1238,6 @@ static struct sk_buff *p54_alloc_skb(struct ieee80211_hw *dev, int p54_read_eeprom(struct ieee80211_hw *dev) { struct p54_common *priv = dev->priv; - struct p54_hdr *hdr = NULL; struct p54_eeprom_lm86 *eeprom_hdr; struct sk_buff *skb; size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize; @@ -1101,9 +1250,9 @@ int p54_read_eeprom(struct ieee80211_hw *dev) else maxblocksize -= 0x4; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(*hdr) + - sizeof(*eeprom_hdr) + maxblocksize, - P54_CONTROL_TYPE_EEPROM_READBACK, GFP_KERNEL); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(*eeprom_hdr) + + maxblocksize, P54_CONTROL_TYPE_EEPROM_READBACK, + GFP_KERNEL); if (!skb) goto free; priv->eeprom = kzalloc(EEPROM_READBACK_LEN, GFP_KERNEL); @@ -1159,9 +1308,8 @@ static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, struct sk_buff *skb; struct p54_tim *tim; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, - sizeof(struct p54_hdr) + sizeof(*tim), - P54_CONTROL_TYPE_TIM, GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*tim), + P54_CONTROL_TYPE_TIM, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1178,9 +1326,8 @@ static int p54_sta_unlock(struct ieee80211_hw *dev, u8 *addr) struct sk_buff *skb; struct p54_sta_unlock *sta; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, - sizeof(struct p54_hdr) + sizeof(*sta), - P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*sta), + P54_CONTROL_TYPE_PSM_STA_UNLOCK, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1220,9 +1367,8 @@ static int p54_tx_cancel(struct ieee80211_hw *dev, struct sk_buff *entry) struct p54_hdr *hdr; struct p54_txcancel *cancel; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, - sizeof(struct p54_hdr) + sizeof(*cancel), - P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*cancel), + P54_CONTROL_TYPE_TXCANCEL, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1239,46 +1385,73 @@ static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb, { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct p54_common *priv = dev->priv; - int ret = 0; - - if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { - if (ieee80211_is_beacon(hdr->frame_control)) { - *aid = 0; - *queue = 0; - *extra_len = IEEE80211_MAX_TIM_LEN; - *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP; - return 0; - } else if (ieee80211_is_probe_resp(hdr->frame_control)) { - *aid = 0; - *queue = 2; - *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP | - P54_HDR_FLAG_DATA_OUT_NOCANCEL; - return 0; - } else { - *queue = 2; - ret = 0; - } - } else { - *queue += 4; - ret = 1; - } + int ret = 1; switch (priv->mode) { + case NL80211_IFTYPE_MONITOR: + /* + * We have to set P54_HDR_FLAG_DATA_OUT_PROMISC for + * every frame in promiscuous/monitor mode. + * see STSW45x0C LMAC API - page 12. + */ + *aid = 0; + *flags = P54_HDR_FLAG_DATA_OUT_PROMISC; + *queue += P54_QUEUE_DATA; + break; case NL80211_IFTYPE_STATION: *aid = 1; + if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { + *queue = P54_QUEUE_MGMT; + ret = 0; + } else + *queue += P54_QUEUE_DATA; break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_ADHOC: case NL80211_IFTYPE_MESH_POINT: if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { *aid = 0; - *queue = 3; + *queue = P54_QUEUE_CAB; return 0; } + + if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { + if (ieee80211_is_probe_resp(hdr->frame_control)) { + *aid = 0; + *queue = P54_QUEUE_MGMT; + *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP | + P54_HDR_FLAG_DATA_OUT_NOCANCEL; + return 0; + } else if (ieee80211_is_beacon(hdr->frame_control)) { + *aid = 0; + + if (info->flags & IEEE80211_TX_CTL_INJECTED) { + /* + * Injecting beacons on top of a AP is + * not a good idea... nevertheless, + * it should be doable. + */ + + *queue += P54_QUEUE_DATA; + return 1; + } + + *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP; + *queue = P54_QUEUE_BEACON; + *extra_len = IEEE80211_MAX_TIM_LEN; + return 0; + } else { + *queue = P54_QUEUE_MGMT; + ret = 0; + } + } else + *queue += P54_QUEUE_DATA; + if (info->control.sta) *aid = info->control.sta->aid; else *flags |= P54_HDR_FLAG_DATA_OUT_NOCANCEL; + break; } return ret; } @@ -1300,7 +1473,7 @@ static u8 p54_convert_algo(enum ieee80211_key_alg alg) static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_tx_queue_stats *current_queue = NULL; + struct ieee80211_tx_queue_stats *current_queue; struct p54_common *priv = dev->priv; struct p54_hdr *hdr; struct p54_tx_data *txhdr; @@ -1443,15 +1616,17 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) } txhdr->crypt_offset = crypt_offset; txhdr->hw_queue = queue; - if (current_queue) - txhdr->backlog = current_queue->len; - else - txhdr->backlog = 0; + txhdr->backlog = current_queue->len; memset(txhdr->durations, 0, sizeof(txhdr->durations)); - txhdr->tx_antenna = (info->antenna_sel_tx == 0) ? - 2 : info->antenna_sel_tx - 1; - txhdr->output_power = priv->output_power; - txhdr->cts_rate = cts_rate; + txhdr->tx_antenna = ((info->antenna_sel_tx == 0) ? + 2 : info->antenna_sel_tx - 1) & priv->tx_diversity_mask; + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { + txhdr->longbow.cts_rate = cts_rate; + txhdr->longbow.output_power = cpu_to_le16(priv->output_power); + } else { + txhdr->normal.output_power = priv->output_power; + txhdr->normal.cts_rate = cts_rate; + } if (padding) txhdr->align[0] = padding; @@ -1464,14 +1639,12 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) queue_delayed_work(dev->workqueue, &priv->work, msecs_to_jiffies(P54_TX_FRAME_LIFETIME)); - return 0; + return NETDEV_TX_OK; err: skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding); - if (current_queue) { - current_queue->len--; - current_queue->count--; - } + current_queue->len--; + current_queue->count--; return NETDEV_TX_BUSY; } @@ -1482,9 +1655,8 @@ static int p54_setup_mac(struct ieee80211_hw *dev) struct p54_setup_mac *setup; u16 mode; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup) + - sizeof(struct p54_hdr), P54_CONTROL_TYPE_SETUP, - GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*setup), + P54_CONTROL_TYPE_SETUP, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1501,11 +1673,21 @@ static int p54_setup_mac(struct ieee80211_hw *dev) case NL80211_IFTYPE_MESH_POINT: mode = P54_FILTER_TYPE_IBSS; break; + case NL80211_IFTYPE_MONITOR: + mode = P54_FILTER_TYPE_PROMISCUOUS; + break; default: mode = P54_FILTER_TYPE_NONE; break; } - if (priv->filter_flags & FIF_PROMISC_IN_BSS) + + /* + * "TRANSPARENT and PROMISCUOUS are mutually exclusive" + * STSW45X0C LMAC API - page 12 + */ + if (((priv->filter_flags & FIF_PROMISC_IN_BSS) || + (priv->filter_flags & FIF_OTHER_BSS)) && + (mode != P54_FILTER_TYPE_PROMISCUOUS)) mode |= P54_FILTER_TYPE_TRANSPARENT; } else mode = P54_FILTER_TYPE_RX_DISABLED; @@ -1513,7 +1695,7 @@ static int p54_setup_mac(struct ieee80211_hw *dev) setup->mac_mode = cpu_to_le16(mode); memcpy(setup->mac_addr, priv->mac_addr, ETH_ALEN); memcpy(setup->bssid, priv->bssid, ETH_ALEN); - setup->rx_antenna = 2; /* automatic */ + setup->rx_antenna = 2 & priv->rx_diversity_mask; /* automatic */ setup->rx_align = 0; if (priv->fw_var < 0x500) { setup->v1.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); @@ -1546,79 +1728,137 @@ static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell) { struct p54_common *priv = dev->priv; struct sk_buff *skb; - struct p54_scan *chan; + struct p54_hdr *hdr; + struct p54_scan_head *head; + struct p54_iq_autocal_entry *iq_autocal; + union p54_scan_body_union *body; + struct p54_scan_tail_rate *rate; + struct pda_rssi_cal_entry *rssi; unsigned int i; void *entry; - __le16 freq = cpu_to_le16(dev->conf.channel->center_freq); int band = dev->conf.channel->band; + __le16 freq = cpu_to_le16(dev->conf.channel->center_freq); - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*chan) + - sizeof(struct p54_hdr), P54_CONTROL_TYPE_SCAN, - GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*head) + + 2 + sizeof(*iq_autocal) + sizeof(*body) + + sizeof(*rate) + 2 * sizeof(*rssi), + P54_CONTROL_TYPE_SCAN, GFP_ATOMIC); if (!skb) return -ENOMEM; - chan = (struct p54_scan *) skb_put(skb, sizeof(*chan)); - memset(chan->padding1, 0, sizeof(chan->padding1)); - chan->mode = cpu_to_le16(mode); - chan->dwell = cpu_to_le16(dwell); + head = (struct p54_scan_head *) skb_put(skb, sizeof(*head)); + memset(head->scan_params, 0, sizeof(head->scan_params)); + head->mode = cpu_to_le16(mode); + head->dwell = cpu_to_le16(dwell); + head->freq = freq; + + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { + __le16 *pa_power_points = (__le16 *) skb_put(skb, 2); + *pa_power_points = cpu_to_le16(0x0c); + } + iq_autocal = (void *) skb_put(skb, sizeof(*iq_autocal)); for (i = 0; i < priv->iq_autocal_len; i++) { if (priv->iq_autocal[i].freq != freq) continue; - memcpy(&chan->iq_autocal, &priv->iq_autocal[i], - sizeof(*priv->iq_autocal)); + memcpy(iq_autocal, &priv->iq_autocal[i].params, + sizeof(struct p54_iq_autocal_entry)); break; } if (i == priv->iq_autocal_len) goto err; - for (i = 0; i < priv->output_limit_len; i++) { - if (priv->output_limit[i].freq != freq) + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) + body = (void *) skb_put(skb, sizeof(body->longbow)); + else + body = (void *) skb_put(skb, sizeof(body->normal)); + + for (i = 0; i < priv->output_limit->entries; i++) { + __le16 *entry_freq = (void *) (priv->output_limit->data + + priv->output_limit->entry_size * i); + + if (*entry_freq != freq) continue; - chan->val_barker = 0x38; - chan->val_bpsk = chan->dup_bpsk = - priv->output_limit[i].val_bpsk; - chan->val_qpsk = chan->dup_qpsk = - priv->output_limit[i].val_qpsk; - chan->val_16qam = chan->dup_16qam = - priv->output_limit[i].val_16qam; - chan->val_64qam = chan->dup_64qam = - priv->output_limit[i].val_64qam; + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { + memcpy(&body->longbow.power_limits, + (void *) entry_freq + sizeof(__le16), + priv->output_limit->entry_size); + } else { + struct pda_channel_output_limit *limits = + (void *) entry_freq; + + body->normal.val_barker = 0x38; + body->normal.val_bpsk = body->normal.dup_bpsk = + limits->val_bpsk; + body->normal.val_qpsk = body->normal.dup_qpsk = + limits->val_qpsk; + body->normal.val_16qam = body->normal.dup_16qam = + limits->val_16qam; + body->normal.val_64qam = body->normal.dup_64qam = + limits->val_64qam; + } break; } - if (i == priv->output_limit_len) + if (i == priv->output_limit->entries) goto err; - entry = priv->curve_data->data; - for (i = 0; i < priv->curve_data->channels; i++) { + entry = (void *)(priv->curve_data->data + priv->curve_data->offset); + for (i = 0; i < priv->curve_data->entries; i++) { if (*((__le16 *)entry) != freq) { - entry += sizeof(__le16); - entry += sizeof(struct p54_pa_curve_data_sample) * - priv->curve_data->points_per_channel; + entry += priv->curve_data->entry_size; continue; } - entry += sizeof(__le16); - chan->pa_points_per_curve = 8; - memset(chan->curve_data, 0, sizeof(*chan->curve_data)); - memcpy(chan->curve_data, entry, - sizeof(struct p54_pa_curve_data_sample) * - min((u8)8, priv->curve_data->points_per_channel)); + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { + memcpy(&body->longbow.curve_data, + (void *) entry + sizeof(__le16), + priv->curve_data->entry_size); + } else { + struct p54_scan_body *chan = &body->normal; + struct pda_pa_curve_data *curve_data = + (void *) priv->curve_data->data; + + entry += sizeof(__le16); + chan->pa_points_per_curve = 8; + memset(chan->curve_data, 0, sizeof(*chan->curve_data)); + memcpy(chan->curve_data, entry, + sizeof(struct p54_pa_curve_data_sample) * + min((u8)8, curve_data->points_per_channel)); + } break; } + if (i == priv->curve_data->entries) + goto err; - if (priv->fw_var < 0x500) { - chan->v1_rssi.mul = cpu_to_le16(priv->rssical_db[band].mul); - chan->v1_rssi.add = cpu_to_le16(priv->rssical_db[band].add); - } else { - chan->v2.rssi.mul = cpu_to_le16(priv->rssical_db[band].mul); - chan->v2.rssi.add = cpu_to_le16(priv->rssical_db[band].add); - chan->v2.basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); - memset(chan->v2.rts_rates, 0, 8); + if ((priv->fw_var >= 0x500) && (priv->fw_var < 0x509)) { + rate = (void *) skb_put(skb, sizeof(*rate)); + rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); + for (i = 0; i < sizeof(rate->rts_rates); i++) + rate->rts_rates[i] = i; } + + rssi = (struct pda_rssi_cal_entry *) skb_put(skb, sizeof(*rssi)); + rssi->mul = cpu_to_le16(priv->rssical_db[band].mul); + rssi->add = cpu_to_le16(priv->rssical_db[band].add); + if (priv->rxhw == PDR_SYNTH_FRONTEND_LONGBOW) { + /* Longbow frontend needs ever more */ + rssi = (void *) skb_put(skb, sizeof(*rssi)); + rssi->mul = cpu_to_le16(priv->rssical_db[band].longbow_unkn); + rssi->add = cpu_to_le16(priv->rssical_db[band].longbow_unk2); + } + + if (priv->fw_var >= 0x509) { + rate = (void *) skb_put(skb, sizeof(*rate)); + rate->basic_rate_mask = cpu_to_le32(priv->basic_rate_mask); + for (i = 0; i < sizeof(rate->rts_rates); i++) + rate->rts_rates[i] = i; + } + + hdr = (struct p54_hdr *) skb->data; + hdr->len = cpu_to_le16(skb->len - sizeof(*hdr)); + priv->tx(dev, skb); return 0; @@ -1634,9 +1874,8 @@ static int p54_set_leds(struct ieee80211_hw *dev, int mode, int link, int act) struct sk_buff *skb; struct p54_led *led; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led) + - sizeof(struct p54_hdr), P54_CONTROL_TYPE_LED, - GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*led), + P54_CONTROL_TYPE_LED, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1663,9 +1902,8 @@ static int p54_set_edcf(struct ieee80211_hw *dev) struct sk_buff *skb; struct p54_edcf *edcf; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf) + - sizeof(struct p54_hdr), P54_CONTROL_TYPE_DCFINIT, - GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*edcf), + P54_CONTROL_TYPE_DCFINIT, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1689,6 +1927,42 @@ static int p54_set_edcf(struct ieee80211_hw *dev) return 0; } +static int p54_set_ps(struct ieee80211_hw *dev) +{ + struct p54_common *priv = dev->priv; + struct sk_buff *skb; + struct p54_psm *psm; + u16 mode; + int i; + + if (dev->conf.flags & IEEE80211_CONF_PS) + mode = P54_PSM | P54_PSM_DTIM | P54_PSM_MCBC; + else + mode = P54_PSM_CAM; + + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*psm), + P54_CONTROL_TYPE_PSM, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + psm = (struct p54_psm *)skb_put(skb, sizeof(*psm)); + psm->mode = cpu_to_le16(mode); + psm->aid = cpu_to_le16(priv->aid); + for (i = 0; i < ARRAY_SIZE(psm->intervals); i++) { + psm->intervals[i].interval = + cpu_to_le16(dev->conf.listen_interval); + psm->intervals[i].periods = cpu_to_le16(1); + } + + psm->beacon_rssi_skip_max = 60; + psm->rssi_delta_threshold = 0; + psm->nr = 0; + + priv->tx(dev, skb); + + return 0; +} + static int p54_beacon_tim(struct sk_buff *skb) { /* @@ -1881,6 +2155,11 @@ static int p54_config(struct ieee80211_hw *dev, u32 changed) if (ret) goto out; } + if (changed & IEEE80211_CONF_CHANGE_PS) { + ret = p54_set_ps(dev); + if (ret) + goto out; + } out: mutex_unlock(&priv->conf_mutex); @@ -1932,12 +2211,13 @@ static void p54_configure_filter(struct ieee80211_hw *dev, struct p54_common *priv = dev->priv; *total_flags &= FIF_PROMISC_IN_BSS | + FIF_OTHER_BSS | (*total_flags & FIF_PROMISC_IN_BSS) ? FIF_FCSFAIL : 0; priv->filter_flags = *total_flags; - if (changed_flags & FIF_PROMISC_IN_BSS) + if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) p54_setup_mac(dev); } @@ -1964,10 +2244,8 @@ static int p54_init_xbow_synth(struct ieee80211_hw *dev) struct sk_buff *skb; struct p54_xbow_synth *xbow; - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow) + - sizeof(struct p54_hdr), - P54_CONTROL_TYPE_XBOW_SYNTH_CFG, - GFP_KERNEL); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*xbow), + P54_CONTROL_TYPE_XBOW_SYNTH_CFG, GFP_KERNEL); if (!skb) return -ENOMEM; @@ -1996,7 +2274,7 @@ static void p54_work(struct work_struct *work) * 2. cancel stuck frames / reset the device if necessary. */ - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(struct p54_hdr) + + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL, sizeof(struct p54_statistics), P54_CONTROL_TYPE_STAT_READBACK, GFP_KERNEL); if (!skb) @@ -2019,8 +2297,8 @@ static int p54_get_tx_stats(struct ieee80211_hw *dev, { struct p54_common *priv = dev->priv; - memcpy(stats, &priv->tx_stats[4], sizeof(stats[0]) * dev->queues); - + memcpy(stats, &priv->tx_stats[P54_QUEUE_DATA], + sizeof(stats[0]) * dev->queues); return 0; } @@ -2056,7 +2334,7 @@ static void p54_bss_info_changed(struct ieee80211_hw *dev, } static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, - const u8 *local_address, const u8 *address, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key) { struct p54_common *priv = dev->priv; @@ -2107,9 +2385,8 @@ static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, } mutex_lock(&priv->conf_mutex); - skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey) + - sizeof(struct p54_hdr), P54_CONTROL_TYPE_RX_KEYCACHE, - GFP_ATOMIC); + skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(*rxkey), + P54_CONTROL_TYPE_RX_KEYCACHE, GFP_ATOMIC); if (!skb) { mutex_unlock(&priv->conf_mutex); return -ENOMEM; @@ -2120,8 +2397,8 @@ static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, rxkey->entry = key->keyidx; rxkey->key_id = key->keyidx; rxkey->key_type = algo; - if (address) - memcpy(rxkey->mac, address, ETH_ALEN); + if (sta) + memcpy(rxkey->mac, sta->addr, ETH_ALEN); else memset(rxkey->mac, ~0, ETH_ALEN); if (key->alg != ALG_TKIP) { @@ -2181,11 +2458,11 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len) BIT(NL80211_IFTYPE_MESH_POINT); dev->channel_change_time = 1000; /* TODO: find actual value */ - priv->tx_stats[0].limit = 1; /* Beacon queue */ - priv->tx_stats[1].limit = 1; /* Probe queue for HW scan */ - priv->tx_stats[2].limit = 3; /* queue for MLMEs */ - priv->tx_stats[3].limit = 3; /* Broadcast / MC queue */ - priv->tx_stats[4].limit = 5; /* Data */ + priv->tx_stats[P54_QUEUE_BEACON].limit = 1; + priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1; + priv->tx_stats[P54_QUEUE_MGMT].limit = 3; + priv->tx_stats[P54_QUEUE_CAB].limit = 3; + priv->tx_stats[P54_QUEUE_DATA].limit = 5; dev->queues = 1; priv->noise = -94; /* |