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89200afb01
* bump qca-nss-dp and ssdk ssdk-shell to 12.1 * [qca-ssdk] delete 0008 patch as 12.1 version do not need this * [ipq807x]: Add support for tplink-tl-er2260t(basic) * remove unused parts in 2260t.dts * NSS:bump nss-drv64 to 12.1r2 (may affect ipq806x) * fix nss-dp source_url * qca-ssdk: refresh ssdk patch
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
From ae4fe8fb79b68f4cf4a887434ab6a8a9a1c65bfc Mon Sep 17 00:00:00 2001
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From: Robert Marko <robimarko@gmail.com>
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Date: Thu, 23 Jun 2022 14:18:50 +0200
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Subject: [PATCH] nss-dp: edma-v1: use NAPI GRO by default
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Utilize napi_gro_receive instead of plain netif_receive_skb on EDMA v1.
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Usually it provides quite a lot of RX speed improvements, however in some
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cases it may lead to decreased performance as there is no checksum
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offloading implemented.
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In cases where reduced performance is experienced its possible to disable
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GRO by using ethtool.
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Signed-off-by: Robert Marko <robimarko@gmail.com>
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---
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hal/dp_ops/edma_dp/edma_v1/edma_data_plane.c | 10 ++++++----
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hal/dp_ops/edma_dp/edma_v1/edma_tx_rx.c | 8 ++++++--
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2 files changed, 12 insertions(+), 6 deletions(-)
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diff --git a/hal/dp_ops/edma_dp/edma_v1/edma_data_plane.c b/hal/dp_ops/edma_dp/edma_v1/edma_data_plane.c
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index 1d748db..e81c461 100644
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--- a/hal/dp_ops/edma_dp/edma_v1/edma_data_plane.c
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+++ b/hal/dp_ops/edma_dp/edma_v1/edma_data_plane.c
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@@ -589,10 +589,12 @@ drop:
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*/
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static void edma_if_set_features(struct nss_dp_data_plane_ctx *dpc)
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{
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- /*
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- * TODO - add flags to support HIGHMEM/cksum offload VLAN
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- * the features are enabled.
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- */
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+ struct net_device *netdev = dpc->dev;
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+
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+ netdev->features |= NETIF_F_GRO;
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+ netdev->hw_features |= NETIF_F_GRO;
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+ netdev->vlan_features |= NETIF_F_GRO;
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+ netdev->wanted_features |= NETIF_F_GRO;
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}
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/* TODO - check if this is needed */
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diff --git a/hal/dp_ops/edma_dp/edma_v1/edma_tx_rx.c b/hal/dp_ops/edma_dp/edma_v1/edma_tx_rx.c
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index 5780a30..a002a79 100644
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--- a/hal/dp_ops/edma_dp/edma_v1/edma_tx_rx.c
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+++ b/hal/dp_ops/edma_dp/edma_v1/edma_tx_rx.c
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@@ -410,8 +410,12 @@ static uint32_t edma_clean_rx(struct edma_hw *ehw,
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if (unlikely(EDMA_RXPH_SERVICE_CODE_GET(rxph) ==
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NSS_PTP_EVENT_SERVICE_CODE))
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nss_phy_tstamp_rx_buf(ndev, skb);
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- else
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- netif_receive_skb(skb);
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+ else {
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+ if (likely(ndev->features & NETIF_F_GRO))
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+ napi_gro_receive(&ehw->napi, skb);
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+ else
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+ netif_receive_skb(skb);
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+ }
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next_rx_desc:
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/*
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--
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2.38.1
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