diff options
| author | Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com> | 2021-04-23 17:19:22 -0700 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2021-04-30 23:48:37 +0200 |
| commit | 0d6f20723047c02bd624f0384df9dc74ee075bc7 (patch) | |
| tree | f8ecc404999fafdf99475653201802143f1c60f2 /target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch | |
| parent | 4b14b42abfe263ea9f67ff4e29e563e1160005fc (diff) | |
| download | upstream-0d6f20723047c02bd624f0384df9dc74ee075bc7.tar.gz upstream-0d6f20723047c02bd624f0384df9dc74ee075bc7.tar.bz2 upstream-0d6f20723047c02bd624f0384df9dc74ee075bc7.zip | |
kernel: backport mtk_soc_eth fixes from v5.13
Fixes logic that leads to this error when booting mt7621 and other
devices that use the mediatek ethernet driver:
[ 23.144378] mtk_soc_eth 1e100000.ethernet: PPE table busy
The rest are mostly moved from pending-5.10 to backport-5.10 with a
couple of cleanups and improvements from upstream.
Refresh patches.
Links:
https://git.kernel.org/netdev/net-next/c/c5d66587b890
https://git.kernel.org/netdev/net-next/c/3f57d8c40fea
https://git.kernel.org/netdev/net-next/c/5196c4178549
https://git.kernel.org/netdev/net-next/c/787082ab9f7b
https://git.kernel.org/netdev/net-next/c/c30c4a827390
https://git.kernel.org/netdev/net-next/c/3630d519d7c3
https://git.kernel.org/netdev/net-next/c/16ef670789b2
https://git.kernel.org/netdev/net-next/c/59555a8d0dd3
https://git.kernel.org/netdev/net-next/c/6b4423b258b9
https://git.kernel.org/netdev/net-next/c/e9229ffd550b
https://git.kernel.org/netdev/net-next/c/4e6bf609569c
https://git.kernel.org/netdev/net-next/c/816ac3e6e67b
https://git.kernel.org/netdev/net-next/c/16769a8923fa
https://git.kernel.org/netdev/net-next/c/db2c7b353db3
https://git.kernel.org/netdev/net-next/c/fa817272c37e
https://git.kernel.org/netdev/net-next/c/3bc8e0aff23b
Fixes: f07fe36f22fc ("kernel: update flow offload patches to upstream version")
Cc: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Diffstat (limited to 'target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch b/target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch deleted file mode 100644 index b744ac643c..0000000000 --- a/target/linux/generic/pending-5.10/770-09-net-ethernet-mtk_eth_soc-only-read-the-full-rx-descr.patch +++ /dev/null @@ -1,44 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Thu, 27 Aug 2020 09:24:25 +0200 -Subject: [PATCH] net: ethernet: mtk_eth_soc: only read the full rx - descriptor if DMA is done - -Uncached memory access is expensive, and there is no need to access all -descriptor words if we can't process them anyway - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -777,13 +777,18 @@ static inline int mtk_max_buf_size(int f - return buf_size; - } - --static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd, -+static inline bool mtk_rx_get_desc(struct mtk_rx_dma *rxd, - struct mtk_rx_dma *dma_rxd) - { -- rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); - rxd->rxd2 = READ_ONCE(dma_rxd->rxd2); -+ if (!(rxd->rxd2 & RX_DMA_DONE)) -+ return false; -+ -+ rxd->rxd1 = READ_ONCE(dma_rxd->rxd1); - rxd->rxd3 = READ_ONCE(dma_rxd->rxd3); - rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); -+ -+ return true; - } - - /* the qdma core needs scratch memory to be setup */ -@@ -1255,8 +1260,7 @@ static int mtk_poll_rx(struct napi_struc - rxd = &ring->dma[idx]; - data = ring->data[idx]; - -- mtk_rx_get_desc(&trxd, rxd); -- if (!(trxd.rxd2 & RX_DMA_DONE)) -+ if (!mtk_rx_get_desc(&trxd, rxd)) - break; - - /* find out which mac the packet come from. values start at 1 */ |