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From:   P Praneesh <ppranees@codeaurora.org>
To:     kvalo@codeaurora.org
Cc:     ath11k@lists.infradead.org, linux-wireless@vger.kernel.org,
        P Praneesh <ppranees@codeaurora.org>,
        Sriram R <srirrama@codeaurora.org>,
        Jouni Malinen <jouni@codeaurora.org>
Subject: [PATCH v2 06/12] ath11k: remove usage quota while processing rx packets
Date:   Wed, 25 Aug 2021 15:07:51 +0530
Message-Id: <1629884277-18759-7-git-send-email-ppranees@codeaurora.org>
In-Reply-To: <1629884277-18759-1-git-send-email-ppranees@codeaurora.org>
References: <1629884277-18759-1-git-send-email-ppranees@codeaurora.org>
Precedence: bulk

The usage of quota variable inside
ath11k_dp_rx_process_received_packets() is redundant.
Since we would queue only max packets to the list before
calling this function so it would never exceed quota. Hence Removing
usage of quota variable.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1.r2-00012-QCAHKSWPL_SILICONZ-1
Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01695-QCAHKSWPL_SILICONZ-1

Co-developed-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Sriram R <srirrama@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: P Praneesh <ppranees@codeaurora.org>
---
 drivers/net/wireless/ath/ath11k/dp_rx.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 1d85e10..e105bdc 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -2523,7 +2523,7 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar,
 static void ath11k_dp_rx_process_received_packets(struct ath11k_base *ab,
 						  struct napi_struct *napi,
 						  struct sk_buff_head *msdu_list,
-						  int *quota, int mac_id)
+						  int mac_id)
 {
 	struct sk_buff *msdu;
 	struct ath11k *ar;
@@ -2557,7 +2557,6 @@ static void ath11k_dp_rx_process_received_packets(struct ath11k_base *ab,
 		}
 
 		ath11k_dp_rx_deliver_msdu(ar, napi, msdu);
-		(*quota)--;
 	}
 
 	rcu_read_unlock();
@@ -2574,7 +2573,6 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id,
 	int total_msdu_reaped = 0;
 	struct hal_srng *srng;
 	struct sk_buff *msdu;
-	int quota = budget;
 	bool done = false;
 	int buf_id, mac_id;
 	struct ath11k *ar;
@@ -2677,8 +2675,7 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id,
 		if (!num_buffs_reaped[i])
 			continue;
 
-		ath11k_dp_rx_process_received_packets(ab, napi, &msdu_list[i],
-						      &quota, i);
+		ath11k_dp_rx_process_received_packets(ab, napi, &msdu_list[i], i);
 
 		ar = ab->pdevs[i].ar;
 		rx_ring = &ar->dp.rx_refill_buf_ring;
@@ -2687,7 +2684,7 @@ int ath11k_dp_process_rx(struct ath11k_base *ab, int ring_id,
 					   HAL_RX_BUF_RBM_SW3_BM);
 	}
 exit:
-	return budget - quota;
+	return total_msdu_reaped;
 }
 
 static void ath11k_dp_rx_update_peer_stats(struct ath11k_sta *arsta,
-- 
2.7.4