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kernel: mtk_eth_soc: fix hw hash reporting for MT7986

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Import patch from Linux 6.0.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2022-09-07 03:50:42 +01:00
parent 884e63fa68
commit 017aea0016
6 changed files with 82 additions and 8 deletions
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74
target/linux/generic/backport-5.15/710-v6.0-net-ethernet-mtk_eth_soc-fix-hw-hash-reporting-for-M.patch Normal file
View File

@ -0,0 +1,74 @@
From 0cf731f9ebb5bf6f252055bebf4463a5c0bd490b Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Tue, 23 Aug 2022 14:24:07 +0200
Subject: [PATCH] net: ethernet: mtk_eth_soc: fix hw hash reporting for
MTK_NETSYS_V2
Properly report hw rx hash for mt7986 chipset accroding to the new dma
descriptor layout.
Fixes: 197c9e9b17b11 ("net: ethernet: mtk_eth_soc: introduce support for mt7986 chipset")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/091394ea4e705fbb35f828011d98d0ba33808f69.1661257293.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 22 +++++++++++----------
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 +++++
2 files changed, 17 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1469,10 +1469,19 @@ static int mtk_poll_rx(struct napi_struc
skb->dev = netdev;
skb_put(skb, pktlen);
- if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2))
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
+ hash = trxd.rxd5 & MTK_RXD5_FOE_ENTRY;
+ if (hash != MTK_RXD5_FOE_ENTRY)
+ skb_set_hash(skb, jhash_1word(hash, 0),
+ PKT_HASH_TYPE_L4);
rxdcsum = &trxd.rxd3;
- else
+ } else {
+ hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY;
+ if (hash != MTK_RXD4_FOE_ENTRY)
+ skb_set_hash(skb, jhash_1word(hash, 0),
+ PKT_HASH_TYPE_L4);
rxdcsum = &trxd.rxd4;
+ }
if (*rxdcsum & eth->soc->txrx.rx_dma_l4_valid)
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -1481,16 +1490,9 @@ static int mtk_poll_rx(struct napi_struc
skb->protocol = eth_type_trans(skb, netdev);
bytes += pktlen;
- hash = trxd.rxd4 & MTK_RXD4_FOE_ENTRY;
- if (hash != MTK_RXD4_FOE_ENTRY) {
- hash = jhash_1word(hash, 0);
- skb_set_hash(skb, hash, PKT_HASH_TYPE_L4);
- }
-
reason = FIELD_GET(MTK_RXD4_PPE_CPU_REASON, trxd.rxd4);
if (reason == MTK_PPE_CPU_REASON_HIT_UNBIND_RATE_REACHED)
- mtk_ppe_check_skb(eth->ppe, skb,
- trxd.rxd4 & MTK_RXD4_FOE_ENTRY);
+ mtk_ppe_check_skb(eth->ppe, skb, hash);
if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) {
if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -307,6 +307,11 @@
#define RX_DMA_L4_VALID_PDMA BIT(30) /* when PDMA is used */
#define RX_DMA_SPECIAL_TAG BIT(22)
+/* PDMA descriptor rxd5 */
+#define MTK_RXD5_FOE_ENTRY GENMASK(14, 0)
+#define MTK_RXD5_PPE_CPU_REASON GENMASK(22, 18)
+#define MTK_RXD5_SRC_PORT GENMASK(29, 26)
+
#define RX_DMA_GET_SPORT(x) (((x) >> 19) & 0xf)
#define RX_DMA_GET_SPORT_V2(x) (((x) >> 26) & 0x7)

6
target/linux/generic/pending-5.15/702-net-ethernet-mtk_eth_soc-enable-threaded-NAPI.patch
View File

@ -10,7 +10,7 @@ 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
@@ -2381,8 +2381,8 @@ static irqreturn_t mtk_handle_irq_rx(int
@@ -2383,8 +2383,8 @@ static irqreturn_t mtk_handle_irq_rx(int
eth->rx_events++;
if (likely(napi_schedule_prep(&eth->rx_napi))) {
@ -20,7 +20,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
return IRQ_HANDLED;
@@ -2394,8 +2394,8 @@ static irqreturn_t mtk_handle_irq_tx(int
@@ -2396,8 +2396,8 @@ static irqreturn_t mtk_handle_irq_tx(int
eth->tx_events++;
if (likely(napi_schedule_prep(&eth->tx_napi))) {
@ -30,7 +30,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
}
return IRQ_HANDLED;
@@ -3585,6 +3585,8 @@ static int mtk_probe(struct platform_dev
@@ -3587,6 +3587,8 @@ static int mtk_probe(struct platform_dev
* for NAPI to work
*/
init_dummy_netdev(&eth->dummy_dev);

2
target/linux/mediatek/patches-5.15/510-net-mediatek-add-flow-offload-for-mt7623.patch
View File

@ -14,7 +14,7 @@ Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3637,6 +3637,7 @@ static const struct mtk_soc_data mt2701_
@@ -3639,6 +3639,7 @@ static const struct mtk_soc_data mt2701_
.hw_features = MTK_HW_FEATURES,
.required_clks = MT7623_CLKS_BITMAP,
.required_pctl = true,

2
target/linux/mediatek/patches-5.15/703-v5.17-net-ethernet-mtk_eth_soc-implement-Clause-45-MDIO-ac.patch
View File

@ -113,7 +113,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -322,9 +322,12 @@
@@ -327,9 +327,12 @@
#define PHY_IAC_ADDR_MASK GENMASK(24, 20)
#define PHY_IAC_ADDR(x) FIELD_PREP(PHY_IAC_ADDR_MASK, (x))
#define PHY_IAC_CMD_MASK GENMASK(19, 18)

4
target/linux/ramips/patches-5.15/700-net-ethernet-mediatek-support-net-labels.patch
View File

@ -14,7 +14,7 @@ Signed-off-by: René van Dorst <opensource@vdorst.com>
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3228,6 +3228,7 @@ static const struct net_device_ops mtk_n
@@ -3230,6 +3230,7 @@ static const struct net_device_ops mtk_n
static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
{
@ -22,7 +22,7 @@ Signed-off-by: René van Dorst <opensource@vdorst.com>
const __be32 *_id = of_get_property(np, "reg", NULL);
phy_interface_t phy_mode;
struct phylink *phylink;
@@ -3347,6 +3348,9 @@ static int mtk_add_mac(struct mtk_eth *e
@@ -3349,6 +3350,9 @@ static int mtk_add_mac(struct mtk_eth *e
else
eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH_2K - MTK_RX_ETH_HLEN;

2
target/linux/ramips/patches-5.15/720-Revert-net-phy-simplify-phy_link_change-arguments.patch
View File

@ -95,7 +95,7 @@ still required by target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c
phydev->mii_ts->link_state(phydev->mii_ts, phydev);
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1315,7 +1315,8 @@ void phylink_destroy(struct phylink *pl)
@@ -1323,7 +1323,8 @@ void phylink_destroy(struct phylink *pl)
}
EXPORT_SYMBOL_GPL(phylink_destroy);