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Qualcomm has finally started the preparatory work in order to support kernel 6.1, so lets make use of that and update NSS-DP 12.4.5.r1 which allows us to drop almost some of the patches. Signed-off-by: Robert Marko <robimarko@gmail.com>
57 lines
1.8 KiB
Diff
57 lines
1.8 KiB
Diff
From c2df713569fe3bb671d1444c7bf758681081053c 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 7/8] 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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--- 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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@@ -597,10 +597,12 @@ 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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--- 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 edm
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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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