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path: root/drivers/net/wireless/ath/ar9170/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ar9170/main.c')
-rw-r--r--drivers/net/wireless/ath/ar9170/main.c191
1 files changed, 99 insertions, 92 deletions
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 2abc8757899..c67b05f3bcb 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -198,12 +198,13 @@ static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb)
struct ar9170_tx_info *arinfo = (void *) txinfo->rate_driver_data;
struct ieee80211_hdr *hdr = (void *) txc->frame_data;
- printk(KERN_DEBUG "%s: => FRAME [skb:%p, q:%d, DA:[%pM] s:%d "
- "mac_ctrl:%04x, phy_ctrl:%08x, timeout:[%d ms]]\n",
- wiphy_name(ar->hw->wiphy), skb, skb_get_queue_mapping(skb),
- ieee80211_get_DA(hdr), ar9170_get_seq_h(hdr),
- le16_to_cpu(txc->mac_control), le32_to_cpu(txc->phy_control),
- jiffies_to_msecs(arinfo->timeout - jiffies));
+ wiphy_debug(ar->hw->wiphy,
+ "=> FRAME [skb:%p, q:%d, DA:[%pM] s:%d "
+ "mac_ctrl:%04x, phy_ctrl:%08x, timeout:[%d ms]]\n",
+ skb, skb_get_queue_mapping(skb),
+ ieee80211_get_DA(hdr), ar9170_get_seq_h(hdr),
+ le16_to_cpu(txc->mac_control), le32_to_cpu(txc->phy_control),
+ jiffies_to_msecs(arinfo->timeout - jiffies));
}
static void __ar9170_dump_txqueue(struct ar9170 *ar,
@@ -213,8 +214,8 @@ static void __ar9170_dump_txqueue(struct ar9170 *ar,
int i = 0;
printk(KERN_DEBUG "---[ cut here ]---\n");
- printk(KERN_DEBUG "%s: %d entries in queue.\n",
- wiphy_name(ar->hw->wiphy), skb_queue_len(queue));
+ wiphy_debug(ar->hw->wiphy, "%d entries in queue.\n",
+ skb_queue_len(queue));
skb_queue_walk(queue, skb) {
printk(KERN_DEBUG "index:%d =>\n", i++);
@@ -244,15 +245,14 @@ static void __ar9170_dump_txstats(struct ar9170 *ar)
{
int i;
- printk(KERN_DEBUG "%s: QoS queue stats\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_debug(ar->hw->wiphy, "qos queue stats\n");
for (i = 0; i < __AR9170_NUM_TXQ; i++)
- printk(KERN_DEBUG "%s: queue:%d limit:%d len:%d waitack:%d "
- " stopped:%d\n", wiphy_name(ar->hw->wiphy), i,
- ar->tx_stats[i].limit, ar->tx_stats[i].len,
- skb_queue_len(&ar->tx_status[i]),
- ieee80211_queue_stopped(ar->hw, i));
+ wiphy_debug(ar->hw->wiphy,
+ "queue:%d limit:%d len:%d waitack:%d stopped:%d\n",
+ i, ar->tx_stats[i].limit, ar->tx_stats[i].len,
+ skb_queue_len(&ar->tx_status[i]),
+ ieee80211_queue_stopped(ar->hw, i));
}
#endif /* AR9170_QUEUE_STOP_DEBUG */
@@ -274,9 +274,9 @@ static void ar9170_recycle_expired(struct ar9170 *ar,
if (time_is_before_jiffies(arinfo->timeout)) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: [%ld > %ld] frame expired => "
- "recycle\n", wiphy_name(ar->hw->wiphy),
- jiffies, arinfo->timeout);
+ wiphy_debug(ar->hw->wiphy,
+ "[%ld > %ld] frame expired => recycle\n",
+ jiffies, arinfo->timeout);
ar9170_print_txheader(ar, skb);
#endif /* AR9170_QUEUE_DEBUG */
__skb_unlink(skb, queue);
@@ -317,8 +317,8 @@ static void ar9170_tx_status(struct ar9170 *ar, struct sk_buff *skb,
break;
default:
- printk(KERN_ERR "%s: invalid tx_status response (%x).\n",
- wiphy_name(ar->hw->wiphy), tx_status);
+ wiphy_err(ar->hw->wiphy,
+ "invalid tx_status response (%x)\n", tx_status);
break;
}
@@ -339,8 +339,7 @@ void ar9170_tx_callback(struct ar9170 *ar, struct sk_buff *skb)
if (ar->tx_stats[queue].len < AR9170_NUM_TX_LIMIT_SOFT) {
#ifdef AR9170_QUEUE_STOP_DEBUG
- printk(KERN_DEBUG "%s: wake queue %d\n",
- wiphy_name(ar->hw->wiphy), queue);
+ wiphy_debug(ar->hw->wiphy, "wake queue %d\n", queue);
__ar9170_dump_txstats(ar);
#endif /* AR9170_QUEUE_STOP_DEBUG */
ieee80211_wake_queue(ar->hw, queue);
@@ -387,9 +386,9 @@ static struct sk_buff *ar9170_get_queued_skb(struct ar9170 *ar,
if (mac && compare_ether_addr(ieee80211_get_DA(hdr), mac)) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: skip frame => DA %pM != %pM\n",
- wiphy_name(ar->hw->wiphy), mac,
- ieee80211_get_DA(hdr));
+ wiphy_debug(ar->hw->wiphy,
+ "skip frame => da %pm != %pm\n",
+ mac, ieee80211_get_DA(hdr));
ar9170_print_txheader(ar, skb);
#endif /* AR9170_QUEUE_DEBUG */
continue;
@@ -400,8 +399,8 @@ static struct sk_buff *ar9170_get_queued_skb(struct ar9170 *ar,
if ((rate != AR9170_TX_INVALID_RATE) && (r != rate)) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: skip frame => rate %d != %d\n",
- wiphy_name(ar->hw->wiphy), rate, r);
+ wiphy_debug(ar->hw->wiphy,
+ "skip frame => rate %d != %d\n", rate, r);
ar9170_print_txheader(ar, skb);
#endif /* AR9170_QUEUE_DEBUG */
continue;
@@ -413,9 +412,9 @@ static struct sk_buff *ar9170_get_queued_skb(struct ar9170 *ar,
}
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_ERR "%s: ESS:[%pM] does not have any "
- "outstanding frames in queue.\n",
- wiphy_name(ar->hw->wiphy), mac);
+ wiphy_err(ar->hw->wiphy,
+ "ESS:[%pM] does not have any outstanding frames in queue.\n",
+ mac);
__ar9170_dump_txqueue(ar, queue);
#endif /* AR9170_QUEUE_DEBUG */
spin_unlock_irqrestore(&queue->lock, flags);
@@ -444,8 +443,8 @@ static void ar9170_tx_janitor(struct work_struct *work)
for (i = 0; i < __AR9170_NUM_TXQ; i++) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: garbage collector scans queue:%d\n",
- wiphy_name(ar->hw->wiphy), i);
+ wiphy_debug(ar->hw->wiphy, "garbage collector scans queue:%d\n",
+ i);
ar9170_dump_txqueue(ar, &ar->tx_pending[i]);
ar9170_dump_txqueue(ar, &ar->tx_status[i]);
#endif /* AR9170_QUEUE_DEBUG */
@@ -495,8 +494,9 @@ void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len)
u32 q = (phy & AR9170_TX_PHY_QOS_MASK) >>
AR9170_TX_PHY_QOS_SHIFT;
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: recv tx_status for %pM, p:%08x, q:%d\n",
- wiphy_name(ar->hw->wiphy), cmd->tx_status.dst, phy, q);
+ wiphy_debug(ar->hw->wiphy,
+ "recv tx_status for %pm, p:%08x, q:%d\n",
+ cmd->tx_status.dst, phy, q);
#endif /* AR9170_QUEUE_DEBUG */
skb = ar9170_get_queued_skb(ar, cmd->tx_status.dst,
@@ -582,7 +582,7 @@ void ar9170_handle_command_response(struct ar9170 *ar, void *buf, u32 len)
break;
default:
- printk(KERN_INFO "received unhandled event %x\n", cmd->type);
+ pr_info("received unhandled event %x\n", cmd->type);
print_hex_dump_bytes("dump:", DUMP_PREFIX_NONE, buf, len);
break;
}
@@ -675,9 +675,9 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
/* TODO: update netdevice's RX dropped/errors statistics */
if (ar9170_nag_limiter(ar))
- printk(KERN_DEBUG "%s: received frame with "
- "suspicious error code (%#x).\n",
- wiphy_name(ar->hw->wiphy), error);
+ wiphy_debug(ar->hw->wiphy,
+ "received frame with suspicious error code (%#x).\n",
+ error);
return -EINVAL;
}
@@ -704,9 +704,9 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
break;
default:
if (ar9170_nag_limiter(ar))
- printk(KERN_ERR "%s: invalid plcp cck rate "
- "(%x).\n", wiphy_name(ar->hw->wiphy),
- head->plcp[0]);
+ wiphy_err(ar->hw->wiphy,
+ "invalid plcp cck rate (%x).\n",
+ head->plcp[0]);
return -EINVAL;
}
break;
@@ -740,9 +740,9 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
break;
default:
if (ar9170_nag_limiter(ar))
- printk(KERN_ERR "%s: invalid plcp ofdm rate "
- "(%x).\n", wiphy_name(ar->hw->wiphy),
- head->plcp[0]);
+ wiphy_err(ar->hw->wiphy,
+ "invalid plcp ofdm rate (%x).\n",
+ head->plcp[0]);
return -EINVAL;
}
if (status->band == IEEE80211_BAND_2GHZ)
@@ -761,8 +761,7 @@ static int ar9170_rx_mac_status(struct ar9170 *ar,
default:
if (ar9170_nag_limiter(ar))
- printk(KERN_ERR "%s: invalid modulation\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy, "invalid modulation\n");
return -EINVAL;
}
@@ -863,8 +862,8 @@ static void ar9170_handle_mpdu(struct ar9170 *ar, u8 *buf, int len)
ar->rx_mpdu.has_plcp = true;
} else {
if (ar9170_nag_limiter(ar))
- printk(KERN_ERR "%s: plcp info is clipped.\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "plcp info is clipped.\n");
return ;
}
break;
@@ -877,8 +876,8 @@ static void ar9170_handle_mpdu(struct ar9170 *ar, u8 *buf, int len)
phy = (void *)(buf + mpdu_len);
} else {
if (ar9170_nag_limiter(ar))
- printk(KERN_ERR "%s: frame tail is clipped.\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "frame tail is clipped.\n");
return ;
}
@@ -888,9 +887,8 @@ static void ar9170_handle_mpdu(struct ar9170 *ar, u8 *buf, int len)
if (!ar9170_nag_limiter(ar))
return ;
- printk(KERN_ERR "%s: rx stream did not start "
- "with a first_mpdu frame tag.\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "rx stream did not start with a first_mpdu frame tag.\n");
return ;
}
@@ -954,8 +952,8 @@ void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
if (!ar->rx_failover_missing) {
/* this is no "short read". */
if (ar9170_nag_limiter(ar)) {
- printk(KERN_ERR "%s: missing tag!\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "missing tag!\n");
goto err_telluser;
} else
goto err_silent;
@@ -963,9 +961,8 @@ void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
if (ar->rx_failover_missing > tlen) {
if (ar9170_nag_limiter(ar)) {
- printk(KERN_ERR "%s: possible multi "
- "stream corruption!\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "possible multi stream corruption!\n");
goto err_telluser;
} else
goto err_silent;
@@ -997,9 +994,8 @@ void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
if (ar->rx_failover_missing) {
/* TODO: handle double stream corruption. */
if (ar9170_nag_limiter(ar)) {
- printk(KERN_ERR "%s: double rx stream "
- "corruption!\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "double rx stream corruption!\n");
goto err_telluser;
} else
goto err_silent;
@@ -1042,9 +1038,9 @@ void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
if (tlen) {
if (net_ratelimit())
- printk(KERN_ERR "%s: %d bytes of unprocessed "
- "data left in rx stream!\n",
- wiphy_name(ar->hw->wiphy), tlen);
+ wiphy_err(ar->hw->wiphy,
+ "%d bytes of unprocessed data left in rx stream!\n",
+ tlen);
goto err_telluser;
}
@@ -1052,10 +1048,9 @@ void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
return ;
err_telluser:
- printk(KERN_ERR "%s: damaged RX stream data [want:%d, "
- "data:%d, rx:%d, pending:%d ]\n",
- wiphy_name(ar->hw->wiphy), clen, wlen, tlen,
- ar->rx_failover_missing);
+ wiphy_err(ar->hw->wiphy,
+ "damaged RX stream data [want:%d, data:%d, rx:%d, pending:%d ]\n",
+ clen, wlen, tlen, ar->rx_failover_missing);
if (ar->rx_failover_missing)
print_hex_dump_bytes("rxbuf:", DUMP_PREFIX_OFFSET,
@@ -1065,9 +1060,8 @@ err_telluser:
print_hex_dump_bytes("stream:", DUMP_PREFIX_OFFSET,
skb->data, skb->len);
- printk(KERN_ERR "%s: please check your hardware and cables, if "
- "you see this message frequently.\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_err(ar->hw->wiphy,
+ "If you see this message frequently, please check your hardware and cables.\n");
err_silent:
if (ar->rx_failover_missing) {
@@ -1384,10 +1378,10 @@ static void ar9170_tx(struct ar9170 *ar)
if (remaining_space < frames) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: tx quota reached queue:%d, "
- "remaining slots:%d, needed:%d\n",
- wiphy_name(ar->hw->wiphy), i, remaining_space,
- frames);
+ wiphy_debug(ar->hw->wiphy,
+ "tx quota reached queue:%d, "
+ "remaining slots:%d, needed:%d\n",
+ i, remaining_space, frames);
#endif /* AR9170_QUEUE_DEBUG */
frames = remaining_space;
}
@@ -1396,18 +1390,14 @@ static void ar9170_tx(struct ar9170 *ar)
ar->tx_stats[i].count += frames;
if (ar->tx_stats[i].len >= ar->tx_stats[i].limit) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: queue %d full\n",
- wiphy_name(ar->hw->wiphy), i);
-
- printk(KERN_DEBUG "%s: stuck frames: ===>\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_debug(ar->hw->wiphy, "queue %d full\n", i);
+ wiphy_debug(ar->hw->wiphy, "stuck frames: ===>\n");
ar9170_dump_txqueue(ar, &ar->tx_pending[i]);
ar9170_dump_txqueue(ar, &ar->tx_status[i]);
#endif /* AR9170_QUEUE_DEBUG */
#ifdef AR9170_QUEUE_STOP_DEBUG
- printk(KERN_DEBUG "%s: stop queue %d\n",
- wiphy_name(ar->hw->wiphy), i);
+ wiphy_debug(ar->hw->wiphy, "stop queue %d\n", i);
__ar9170_dump_txstats(ar);
#endif /* AR9170_QUEUE_STOP_DEBUG */
ieee80211_stop_queue(ar->hw, i);
@@ -1435,8 +1425,7 @@ static void ar9170_tx(struct ar9170 *ar)
msecs_to_jiffies(AR9170_TX_TIMEOUT);
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: send frame q:%d =>\n",
- wiphy_name(ar->hw->wiphy), i);
+ wiphy_debug(ar->hw->wiphy, "send frame q:%d =>\n", i);
ar9170_print_txheader(ar, skb);
#endif /* AR9170_QUEUE_DEBUG */
@@ -1453,26 +1442,25 @@ static void ar9170_tx(struct ar9170 *ar)
}
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: ar9170_tx report for queue %d\n",
- wiphy_name(ar->hw->wiphy), i);
+ wiphy_debug(ar->hw->wiphy,
+ "ar9170_tx report for queue %d\n", i);
- printk(KERN_DEBUG "%s: unprocessed pending frames left:\n",
- wiphy_name(ar->hw->wiphy));
+ wiphy_debug(ar->hw->wiphy,
+ "unprocessed pending frames left:\n");
ar9170_dump_txqueue(ar, &ar->tx_pending[i]);
#endif /* AR9170_QUEUE_DEBUG */
if (unlikely(frames_failed)) {
#ifdef AR9170_QUEUE_DEBUG
- printk(KERN_DEBUG "%s: frames failed %d =>\n",
- wiphy_name(ar->hw->wiphy), frames_failed);
+ wiphy_debug(ar->hw->wiphy,
+ "frames failed %d =>\n", frames_failed);
#endif /* AR9170_QUEUE_DEBUG */
spin_lock_irqsave(&ar->tx_stats_lock, flags);
ar->tx_stats[i].len -= frames_failed;
ar->tx_stats[i].count -= frames_failed;
#ifdef AR9170_QUEUE_STOP_DEBUG
- printk(KERN_DEBUG "%s: wake queue %d\n",
- wiphy_name(ar->hw->wiphy), i);
+ wiphy_debug(ar->hw->wiphy, "wake queue %d\n", i);
__ar9170_dump_txstats(ar);
#endif /* AR9170_QUEUE_STOP_DEBUG */
ieee80211_wake_queue(ar->hw, i);
@@ -1917,6 +1905,24 @@ static int ar9170_get_stats(struct ieee80211_hw *hw,
return 0;
}
+static int ar9170_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct ar9170 *ar = hw->priv;
+ struct ieee80211_conf *conf = &hw->conf;
+
+ if (idx != 0)
+ return -ENOENT;
+
+ /* TODO: update noise value, e.g. call ar9170_set_channel */
+
+ survey->channel = conf->channel;
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = ar->noise[0];
+
+ return 0;
+}
+
static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
const struct ieee80211_tx_queue_params *param)
{
@@ -1969,6 +1975,7 @@ static const struct ieee80211_ops ar9170_ops = {
.get_tsf = ar9170_op_get_tsf,
.set_key = ar9170_set_key,
.get_stats = ar9170_get_stats,
+ .get_survey = ar9170_get_survey,
.ampdu_action = ar9170_ampdu_action,
};