linux-kernel - [PATCH net-next 2/2] net: ipa: set IPA v4.11 AP<-modem RX buffer size to 32KB

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Date:   Tue,  1 Feb 2022 09:37:37 -0600
From:   Alex Elder <elder@...aro.org>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     bjorn.andersson@...aro.org, agross@...nel.org, mka@...omium.org,
        evgreen@...omium.org, cpratapa@...eaurora.org,
        avuyyuru@...eaurora.org, jponduru@...eaurora.org,
        subashab@...eaurora.org, elder@...nel.org, netdev@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 2/2] net: ipa: set IPA v4.11 AP<-modem RX buffer size to 32KB

Increase the receive buffer size used for data received from the
modem to 32KB, to improve download performance by allowing much
greater aggregation.

Signed-off-by: Alex Elder <elder@...aro.org>
---
 drivers/net/ipa/ipa_data-v4.11.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ipa/ipa_data-v4.11.c b/drivers/net/ipa/ipa_data-v4.11.c
index 8f67c44e19529..b1991cc6f0ca6 100644
--- a/drivers/net/ipa/ipa_data-v4.11.c
+++ b/drivers/net/ipa/ipa_data-v4.11.c
@@ -134,7 +134,7 @@ static const struct ipa_gsi_endpoint_data ipa_gsi_endpoint_data[] = {
 				.qmap		= true,
 				.aggregation	= true,
 				.rx = {
-					.buffer_size	= 8192,
+					.buffer_size	= 32768,
 					.aggr_close_eof	= true,
 				},
 			},
-- 
2.32.0