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path: root/drivers/net/wireless/ath/ath10k/htt_rx.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_rx.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/htt_rx.c113
1 files changed, 85 insertions, 28 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 6d96f9560950..5e02e26158f6 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -1,6 +1,7 @@
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -723,6 +724,28 @@ struct amsdu_subframe_hdr {
#define GROUP_ID_IS_SU_MIMO(x) ((x) == 0 || (x) == 63)
+static inline u8 ath10k_bw_to_mac80211_bw(u8 bw)
+{
+ u8 ret = 0;
+
+ switch (bw) {
+ case 0:
+ ret = RATE_INFO_BW_20;
+ break;
+ case 1:
+ ret = RATE_INFO_BW_40;
+ break;
+ case 2:
+ ret = RATE_INFO_BW_80;
+ break;
+ case 3:
+ ret = RATE_INFO_BW_160;
+ break;
+ }
+
+ return ret;
+}
+
static void ath10k_htt_rx_h_rates(struct ath10k *ar,
struct ieee80211_rx_status *status,
struct htt_rx_desc *rxd)
@@ -825,23 +848,7 @@ static void ath10k_htt_rx_h_rates(struct ath10k *ar,
if (sgi)
status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
- switch (bw) {
- /* 20MHZ */
- case 0:
- break;
- /* 40MHZ */
- case 1:
- status->bw = RATE_INFO_BW_40;
- break;
- /* 80MHZ */
- case 2:
- status->bw = RATE_INFO_BW_80;
- break;
- case 3:
- status->bw = RATE_INFO_BW_160;
- break;
- }
-
+ status->bw = ath10k_bw_to_mac80211_bw(bw);
status->encoding = RX_ENC_VHT;
break;
default:
@@ -1502,7 +1509,9 @@ static void ath10k_htt_rx_h_csum_offload(struct sk_buff *msdu)
static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
struct sk_buff_head *amsdu,
struct ieee80211_rx_status *status,
- bool fill_crypt_header)
+ bool fill_crypt_header,
+ u8 *rx_hdr,
+ enum ath10k_pkt_rx_err *err)
{
struct sk_buff *first;
struct sk_buff *last;
@@ -1538,6 +1547,9 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
hdr = (void *)rxd->rx_hdr_status;
memcpy(first_hdr, hdr, RX_HTT_HDR_STATUS_LEN);
+ if (rx_hdr)
+ memcpy(rx_hdr, hdr, RX_HTT_HDR_STATUS_LEN);
+
/* Each A-MSDU subframe will use the original header as the base and be
* reported as a separate MSDU so strip the A-MSDU bit from QoS Ctl.
*/
@@ -1581,6 +1593,17 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar,
if (has_tkip_err)
status->flag |= RX_FLAG_MMIC_ERROR;
+ if (err) {
+ if (has_fcs_err)
+ *err = ATH10K_PKT_RX_ERR_FCS;
+ else if (has_tkip_err)
+ *err = ATH10K_PKT_RX_ERR_TKIP;
+ else if (has_crypto_err)
+ *err = ATH10K_PKT_RX_ERR_CRYPT;
+ else if (has_peer_idx_invalid)
+ *err = ATH10K_PKT_RX_ERR_PEER_IDX_INVAL;
+ }
+
/* Firmware reports all necessary management frames via WMI already.
* They are not reported to monitor interfaces at all so pass the ones
* coming via HTT to monitor interfaces instead. This simplifies
@@ -1651,11 +1674,13 @@ static void ath10k_htt_rx_h_enqueue(struct ath10k *ar,
}
}
-static int ath10k_unchain_msdu(struct sk_buff_head *amsdu)
+static int ath10k_unchain_msdu(struct sk_buff_head *amsdu,
+ unsigned long int *unchain_cnt)
{
struct sk_buff *skb, *first;
int space;
int total_len = 0;
+ int amsdu_len = skb_queue_len(amsdu);
/* TODO: Might could optimize this by using
* skb_try_coalesce or similar method to
@@ -1691,11 +1716,16 @@ static int ath10k_unchain_msdu(struct sk_buff_head *amsdu)
}
__skb_queue_head(amsdu, first);
+
+ *unchain_cnt += amsdu_len - 1;
+
return 0;
}
static void ath10k_htt_rx_h_unchain(struct ath10k *ar,
- struct sk_buff_head *amsdu)
+ struct sk_buff_head *amsdu,
+ unsigned long int *drop_cnt,
+ unsigned long int *unchain_cnt)
{
struct sk_buff *first;
struct htt_rx_desc *rxd;
@@ -1713,11 +1743,12 @@ static void ath10k_htt_rx_h_unchain(struct ath10k *ar,
*/
if (decap != RX_MSDU_DECAP_RAW ||
skb_queue_len(amsdu) != 1 + rxd->frag_info.ring2_more_count) {
+ *drop_cnt += skb_queue_len(amsdu);
__skb_queue_purge(amsdu);
return;
}
- ath10k_unchain_msdu(amsdu);
+ ath10k_unchain_msdu(amsdu, unchain_cnt);
}
static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
@@ -1743,7 +1774,8 @@ static bool ath10k_htt_rx_amsdu_allowed(struct ath10k *ar,
static void ath10k_htt_rx_h_filter(struct ath10k *ar,
struct sk_buff_head *amsdu,
- struct ieee80211_rx_status *rx_status)
+ struct ieee80211_rx_status *rx_status,
+ unsigned long int *drop_cnt)
{
if (skb_queue_empty(amsdu))
return;
@@ -1751,6 +1783,9 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar,
if (ath10k_htt_rx_amsdu_allowed(ar, amsdu, rx_status))
return;
+ if (drop_cnt)
+ *drop_cnt += skb_queue_len(amsdu);
+
__skb_queue_purge(amsdu);
}
@@ -1760,6 +1795,12 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
struct ieee80211_rx_status *rx_status = &htt->rx_status;
struct sk_buff_head amsdu;
int ret;
+ unsigned long int drop_cnt = 0;
+ unsigned long int unchain_cnt = 0;
+ unsigned long int drop_cnt_filter = 0;
+ unsigned long int msdus_to_queue, num_msdus;
+ enum ath10k_pkt_rx_err err = ATH10K_PKT_RX_ERR_MAX;
+ u8 first_hdr[RX_HTT_HDR_STATUS_LEN];
__skb_queue_head_init(&amsdu);
@@ -1781,16 +1822,23 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt)
return ret;
}
+ num_msdus = skb_queue_len(&amsdu);
+
ath10k_htt_rx_h_ppdu(ar, &amsdu, rx_status, 0xffff);
/* only for ret = 1 indicates chained msdus */
if (ret > 0)
- ath10k_htt_rx_h_unchain(ar, &amsdu);
+ ath10k_htt_rx_h_unchain(ar, &amsdu, &drop_cnt, &unchain_cnt);
- ath10k_htt_rx_h_filter(ar, &amsdu, rx_status);
- ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status, true);
+ ath10k_htt_rx_h_filter(ar, &amsdu, rx_status, &drop_cnt_filter);
+ ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status, true, first_hdr, &err);
+ msdus_to_queue = skb_queue_len(&amsdu);
ath10k_htt_rx_h_enqueue(ar, &amsdu, rx_status);
+ ath10k_sta_update_rx_tid_stats(ar, first_hdr, num_msdus, err,
+ unchain_cnt, drop_cnt, drop_cnt_filter,
+ msdus_to_queue);
+
return 0;
}
@@ -1801,9 +1849,14 @@ static void ath10k_htt_rx_proc_rx_ind(struct ath10k_htt *htt,
struct htt_rx_indication_mpdu_range *mpdu_ranges;
int num_mpdu_ranges;
int i, mpdu_count = 0;
+ u16 peer_id;
+ u8 tid;
num_mpdu_ranges = MS(__le32_to_cpu(rx->hdr.info1),
HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES);
+ peer_id = __le16_to_cpu(rx->hdr.peer_id);
+ tid = MS(rx->hdr.info0, HTT_RX_INDICATION_INFO0_EXT_TID);
+
mpdu_ranges = htt_rx_ind_get_mpdu_ranges(rx);
ath10k_dbg_dump(ar, ATH10K_DBG_HTT_DUMP, NULL, "htt rx ind: ",
@@ -1815,6 +1868,9 @@ static void ath10k_htt_rx_proc_rx_ind(struct ath10k_htt *htt,
mpdu_count += mpdu_ranges[i].mpdu_count;
atomic_add(mpdu_count, &htt->num_mpdus_ready);
+
+ ath10k_sta_update_rx_tid_stats_ampdu(ar, peer_id, tid, mpdu_ranges,
+ num_mpdu_ranges);
}
static void ath10k_htt_rx_tx_compl_ind(struct ath10k *ar,
@@ -2124,8 +2180,9 @@ static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb)
* should still give an idea about rx rate to the user.
*/
ath10k_htt_rx_h_ppdu(ar, &amsdu, status, vdev_id);
- ath10k_htt_rx_h_filter(ar, &amsdu, status);
- ath10k_htt_rx_h_mpdu(ar, &amsdu, status, false);
+ ath10k_htt_rx_h_filter(ar, &amsdu, status, NULL);
+ ath10k_htt_rx_h_mpdu(ar, &amsdu, status, false, NULL,
+ NULL);
ath10k_htt_rx_h_enqueue(ar, &amsdu, status);
break;
case -EAGAIN:
@@ -2499,7 +2556,7 @@ ath10k_update_per_peer_tx_stats(struct ath10k *ar,
arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
arsta->txrate.nss = txrate.nss;
- arsta->txrate.bw = txrate.bw + RATE_INFO_BW_20;
+ arsta->txrate.bw = ath10k_bw_to_mac80211_bw(txrate.bw);
}
static void ath10k_htt_fetch_peer_stats(struct ath10k *ar,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.