2022-01-11 03:22:47

by Aloka Dixit

[permalink] [raw]
Subject: [PATCH 1/2] ath11k: enable RX PPDU stats in monitor co-exist mode

From: Miles Hu <[email protected]>

RX PPDU statistics collection is missing when monitor mode co-exists
with other modes. This commit combines the processing of the destination
ring with the status ring to fix the issue.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01179-QCAHKSWPL_SILICONZ-1
Signed-off-by: Miles Hu <[email protected]>
Signed-off-by: Aloka Dixit <[email protected]>
---
drivers/net/wireless/ath/ath11k/debugfs.c | 6 ++
drivers/net/wireless/ath/ath11k/dp_rx.c | 84 +++++++----------------
drivers/net/wireless/ath/ath11k/hal_rx.h | 8 +--
3 files changed, 34 insertions(+), 64 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c
index ca68cf63dd27..1484d733f88a 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs.c
@@ -664,6 +664,12 @@ static ssize_t ath11k_write_extd_rx_stats(struct file *file,
goto exit;
}

+ if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags)) {
+ ar->debug.extd_rx_stats = enable;
+ ret = count;
+ goto exit;
+ }
+
if (enable) {
rx_filter = HTT_RX_FILTER_TLV_FLAGS_MPDU_START;
rx_filter |= HTT_RX_FILTER_TLV_FLAGS_PPDU_START;
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index c212a789421e..808028285957 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -20,6 +20,9 @@

#define ATH11K_DP_RX_FRAGMENT_TIMEOUT_MS (2 * HZ)

+static void ath11k_dp_rx_mon_dest_process(struct ath11k *ar, int mac_id,
+ u32 quota, struct napi_struct *napi);
+
static inline
u8 *ath11k_dp_rx_h_80211_hdr(struct ath11k_base *ab, struct hal_rx_desc *desc)
{
@@ -3087,12 +3090,14 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
enum hal_rx_mon_status hal_status;
struct sk_buff *skb;
struct sk_buff_head skb_list;
- struct hal_rx_mon_ppdu_info ppdu_info;
struct ath11k_peer *peer;
struct ath11k_sta *arsta;
int num_buffs_reaped = 0;
u32 rx_buf_sz;
u16 log_type = 0;
+ struct ath11k_mon_data *pmon = (struct ath11k_mon_data *)&ar->dp.mon_data;
+ struct ath11k_pdev_mon_stats *rx_mon_stats = &pmon->rx_mon_stats;
+ struct hal_rx_mon_ppdu_info *ppdu_info = &pmon->mon_ppdu_info;

__skb_queue_head_init(&skb_list);

@@ -3101,8 +3106,8 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
if (!num_buffs_reaped)
goto exit;

- memset(&ppdu_info, 0, sizeof(ppdu_info));
- ppdu_info.peer_id = HAL_INVALID_PEERID;
+ memset(ppdu_info, 0, sizeof(*ppdu_info));
+ ppdu_info->peer_id = HAL_INVALID_PEERID;

while ((skb = __skb_dequeue(&skb_list))) {
if (ath11k_debugfs_is_pktlog_lite_mode_enabled(ar)) {
@@ -3116,9 +3121,18 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
if (log_type)
trace_ath11k_htt_rxdesc(ar, skb->data, log_type, rx_buf_sz);

- hal_status = ath11k_hal_rx_parse_mon_status(ab, &ppdu_info, skb);
+ hal_status = ath11k_hal_rx_parse_mon_status(ab, ppdu_info, skb);

- if (ppdu_info.peer_id == HAL_INVALID_PEERID ||
+ if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags) &&
+ pmon->mon_ppdu_status == DP_PPDU_STATUS_START &&
+ hal_status == HAL_TLV_STATUS_PPDU_DONE) {
+ rx_mon_stats->status_ppdu_done++;
+ pmon->mon_ppdu_status = DP_PPDU_STATUS_DONE;
+ ath11k_dp_rx_mon_dest_process(ar, mac_id, budget, napi);
+ pmon->mon_ppdu_status = DP_PPDU_STATUS_START;
+ }
+
+ if (ppdu_info->peer_id == HAL_INVALID_PEERID ||
hal_status != HAL_RX_MON_STATUS_PPDU_DONE) {
dev_kfree_skb_any(skb);
continue;
@@ -3126,17 +3140,17 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,

rcu_read_lock();
spin_lock_bh(&ab->base_lock);
- peer = ath11k_peer_find_by_id(ab, ppdu_info.peer_id);
+ peer = ath11k_peer_find_by_id(ab, ppdu_info->peer_id);

if (!peer || !peer->sta) {
ath11k_dbg(ab, ATH11K_DBG_DATA,
"failed to find the peer with peer_id %d\n",
- ppdu_info.peer_id);
+ ppdu_info->peer_id);
goto next_skb;
}

arsta = (struct ath11k_sta *)peer->sta->drv_priv;
- ath11k_dp_rx_update_peer_stats(arsta, &ppdu_info);
+ ath11k_dp_rx_update_peer_stats(arsta, ppdu_info);

if (ath11k_debugfs_is_pktlog_peer_valid(ar, peer->addr))
trace_ath11k_htt_rxdesc(ar, skb->data, log_type, rx_buf_sz);
@@ -3146,8 +3160,8 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
rcu_read_unlock();

dev_kfree_skb_any(skb);
- memset(&ppdu_info, 0, sizeof(ppdu_info));
- ppdu_info.peer_id = HAL_INVALID_PEERID;
+ memset(ppdu_info, 0, sizeof(*ppdu_info));
+ ppdu_info->peer_id = HAL_INVALID_PEERID;
}
exit:
return num_buffs_reaped;
@@ -5106,38 +5120,6 @@ static void ath11k_dp_rx_mon_dest_process(struct ath11k *ar, int mac_id,
}
}

-static void ath11k_dp_rx_mon_status_process_tlv(struct ath11k *ar,
- int mac_id, u32 quota,
- struct napi_struct *napi)
-{
- struct ath11k_pdev_dp *dp = &ar->dp;
- struct ath11k_mon_data *pmon = (struct ath11k_mon_data *)&dp->mon_data;
- struct hal_rx_mon_ppdu_info *ppdu_info;
- struct sk_buff *status_skb;
- u32 tlv_status = HAL_TLV_STATUS_BUF_DONE;
- struct ath11k_pdev_mon_stats *rx_mon_stats;
-
- ppdu_info = &pmon->mon_ppdu_info;
- rx_mon_stats = &pmon->rx_mon_stats;
-
- if (pmon->mon_ppdu_status != DP_PPDU_STATUS_START)
- return;
-
- while (!skb_queue_empty(&pmon->rx_status_q)) {
- status_skb = skb_dequeue(&pmon->rx_status_q);
-
- tlv_status = ath11k_hal_rx_parse_mon_status(ar->ab, ppdu_info,
- status_skb);
- if (tlv_status == HAL_TLV_STATUS_PPDU_DONE) {
- rx_mon_stats->status_ppdu_done++;
- pmon->mon_ppdu_status = DP_PPDU_STATUS_DONE;
- ath11k_dp_rx_mon_dest_process(ar, mac_id, quota, napi);
- pmon->mon_ppdu_status = DP_PPDU_STATUS_START;
- }
- dev_kfree_skb_any(status_skb);
- }
-}
-
static u32
ath11k_dp_rx_full_mon_mpdu_pop(struct ath11k *ar,
void *ring_entry, struct sk_buff **head_msdu,
@@ -5489,22 +5471,6 @@ static int ath11k_dp_full_mon_process_rx(struct ath11k_base *ab, int mac_id,
return quota;
}

-static int ath11k_dp_mon_process_rx(struct ath11k_base *ab, int mac_id,
- struct napi_struct *napi, int budget)
-{
- struct ath11k *ar = ath11k_ab_to_ar(ab, mac_id);
- struct ath11k_pdev_dp *dp = &ar->dp;
- struct ath11k_mon_data *pmon = (struct ath11k_mon_data *)&dp->mon_data;
- int num_buffs_reaped = 0;
-
- num_buffs_reaped = ath11k_dp_rx_reap_mon_status_ring(ar->ab, mac_id, &budget,
- &pmon->rx_status_q);
- if (num_buffs_reaped)
- ath11k_dp_rx_mon_status_process_tlv(ar, mac_id, budget, napi);
-
- return num_buffs_reaped;
-}
-
int ath11k_dp_rx_process_mon_rings(struct ath11k_base *ab, int mac_id,
struct napi_struct *napi, int budget)
{
@@ -5514,8 +5480,6 @@ int ath11k_dp_rx_process_mon_rings(struct ath11k_base *ab, int mac_id,
if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags) &&
ab->hw_params.full_monitor_mode)
ret = ath11k_dp_full_mon_process_rx(ab, mac_id, napi, budget);
- else if (test_bit(ATH11K_FLAG_MONITOR_STARTED, &ar->monitor_flags))
- ret = ath11k_dp_mon_process_rx(ab, mac_id, napi, budget);
else
ret = ath11k_dp_rx_process_mon_status(ab, mac_id, napi, budget);

diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h
index 571054c6d7f8..7bba4f0411e1 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.h
@@ -65,10 +65,6 @@ enum hal_rx_reception_type {
HAL_RX_RECEPTION_TYPE_MAX,
};

-#define HAL_TLV_STATUS_PPDU_NOT_DONE 0
-#define HAL_TLV_STATUS_PPDU_DONE 1
-#define HAL_TLV_STATUS_BUF_DONE 2
-#define HAL_TLV_STATUS_PPDU_NON_STD_DONE 3
#define HAL_RX_FCS_LEN 4

enum hal_rx_mon_status {
@@ -77,6 +73,10 @@ enum hal_rx_mon_status {
HAL_RX_MON_STATUS_BUF_DONE,
};

+#define HAL_TLV_STATUS_PPDU_NOT_DONE HAL_RX_MON_STATUS_PPDU_NOT_DONE
+#define HAL_TLV_STATUS_PPDU_DONE HAL_RX_MON_STATUS_PPDU_DONE
+#define HAL_TLV_STATUS_BUF_DONE HAL_RX_MON_STATUS_BUF_DONE
+
struct hal_sw_mon_ring_entries {
dma_addr_t mon_dst_paddr;
dma_addr_t mon_status_paddr;

base-commit: 5fb5c140c01092fc4b47109653f35e0cc7f5cadc
--
2.31.1



2022-01-18 02:24:22

by Kalle Valo

[permalink] [raw]
Subject: Re: [PATCH 1/2] ath11k: enable RX PPDU stats in monitor co-exist mode

Aloka Dixit <[email protected]> wrote:

> RX PPDU statistics collection is missing when monitor mode co-exists
> with other modes. This commit combines the processing of the destination
> ring with the status ring to fix the issue.
>
> Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01179-QCAHKSWPL_SILICONZ-1
> Signed-off-by: Miles Hu <[email protected]>
> Signed-off-by: Aloka Dixit <[email protected]>
> Signed-off-by: Kalle Valo <[email protected]>

2 patches applied to ath-next branch of ath.git, thanks.

67a9d399fcb0 ath11k: enable RX PPDU stats in monitor co-exist mode
3cd04a438754 ath11k: move function ath11k_dp_rx_process_mon_status

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches