carl9170: utilize fw seq counter for mgmt/non-QoS data frames
"mac80211 will properly assign sequence numbers to QoS-data
frames but cannot do so correctly for non-QoS-data and
management frames because beacons need them from that counter
as well and mac80211 cannot guarantee proper sequencing."
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/carl9170/carl9170.h b/drivers/net/wireless/ath/carl9170/carl9170.h
index d07ff7f..420d437 100644
--- a/drivers/net/wireless/ath/carl9170/carl9170.h
+++ b/drivers/net/wireless/ath/carl9170/carl9170.h
@@ -283,6 +283,7 @@
unsigned int mem_blocks;
unsigned int mem_block_size;
unsigned int rx_size;
+ unsigned int tx_seq_table;
} fw;
/* reset / stuck frames/queue detection */
diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c
index a4e5b44..9517ede 100644
--- a/drivers/net/wireless/ath/carl9170/fw.c
+++ b/drivers/net/wireless/ath/carl9170/fw.c
@@ -150,6 +150,7 @@
const struct carl9170fw_otus_desc *otus_desc;
const struct carl9170fw_chk_desc *chk_desc;
const struct carl9170fw_last_desc *last_desc;
+ const struct carl9170fw_txsq_desc *txsq_desc;
last_desc = carl9170_fw_find_desc(ar, LAST_MAGIC,
sizeof(*last_desc), CARL9170FW_LAST_DESC_CUR_VER);
@@ -299,6 +300,17 @@
}
}
+ txsq_desc = carl9170_fw_find_desc(ar, TXSQ_MAGIC,
+ sizeof(*txsq_desc), CARL9170FW_TXSQ_DESC_CUR_VER);
+
+ if (txsq_desc) {
+ ar->fw.tx_seq_table = le32_to_cpu(txsq_desc->seq_table_addr);
+ if (!valid_cpu_addr(ar->fw.tx_seq_table))
+ return -EINVAL;
+ } else {
+ ar->fw.tx_seq_table = 0;
+ }
+
#undef SUPPORTED
return 0;
}
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c
index ecfb80b..ede3d7e 100644
--- a/drivers/net/wireless/ath/carl9170/main.c
+++ b/drivers/net/wireless/ath/carl9170/main.c
@@ -662,6 +662,13 @@
goto unlock;
}
+ if (ar->fw.tx_seq_table) {
+ err = carl9170_write_reg(ar, ar->fw.tx_seq_table + vif_id * 4,
+ 0);
+ if (err)
+ goto unlock;
+ }
+
unlock:
if (err && (vif_id >= 0)) {
vif_priv->active = false;
diff --git a/drivers/net/wireless/ath/carl9170/tx.c b/drivers/net/wireless/ath/carl9170/tx.c
index 6cc58e0..6f41e21 100644
--- a/drivers/net/wireless/ath/carl9170/tx.c
+++ b/drivers/net/wireless/ath/carl9170/tx.c
@@ -862,6 +862,9 @@
if (unlikely(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM))
txc->s.misc |= CARL9170_TX_SUPER_MISC_CAB;
+ if (unlikely(info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
+ txc->s.misc |= CARL9170_TX_SUPER_MISC_ASSIGN_SEQ;
+
if (unlikely(ieee80211_is_probe_resp(hdr->frame_control)))
txc->s.misc |= CARL9170_TX_SUPER_MISC_FILL_IN_TSF;