lede/target/linux/generic/pending-5.4/770-05-net-ethernet-mtk_eth_soc-increase-DMA-ring-sizes.patch
AmadeusGhost 86bc29e4a8
kernel: bump 5.4 to 5.4.68 (#5555)
[mac80211]
 ca5ee6e mac80211: Fix potential endless loop
 2c14710 mac80211: add more AQL fixes/improvements
 91fb3ce mac80211: remove an obsolete patch that is no longer doing anything useful
 acf1733 mac80211: add preliminary support for enabling 802.11ax in config
 d717343 mac80211: update encap offload patches to the latest version
 673062f mac80211: allow bigger A-MSDU sizes in VHT, even if HT is limited
 caf7277 mac80211: do not allow bigger VHT MPDUs than the hardware supports
 cd36c0d mac80211: select the first available channel for 5GHz interfaces
 1c6d456 mac80211: fix regression in station connection monitor optimization
 4bd7689 mac80211: update sta connection monitor regression fix

[target]
 Sync: at91, ath25, ath79, lantiq, mediatek, mvebu.
2020-10-03 00:36:16 +08:00

22 lines
704 B
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 26 Aug 2020 16:59:41 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: increase DMA ring sizes
256 descriptors is not enough for multi-gigabit traffic under load on MT7622.
Bump it to 512 to improve performance
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -19,7 +19,7 @@
#define MTK_QDMA_PAGE_SIZE 2048
#define MTK_MAX_RX_LENGTH 1536
#define MTK_TX_DMA_BUF_LEN 0x3fff
-#define MTK_DMA_SIZE 256
+#define MTK_DMA_SIZE 512
#define MTK_NAPI_WEIGHT 64
#define MTK_MAC_COUNT 2
#define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)