openwrt/target/linux/generic/pending-5.15/732-06-net-ethernet-mediatek-ppe-assign-per-port-queues-for.patch
Daniel Golle f584fb2f7e kernel: import accepted MediaTek Ethernet patches
Import some accepted and pending upstream patches for mtk_eth_soc,
replacing some semantically equivalent local patches and fixing issues
when operating the PCS in 1G SGMII mode.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2023-02-15 03:28:09 +00:00

94 lines
3.0 KiB
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 3 Nov 2022 17:49:44 +0100
Subject: [PATCH] net: ethernet: mediatek: ppe: assign per-port queues
for offloaded traffic
Keeps traffic sent to the switch within link speed limits
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
@@ -445,6 +445,24 @@ static inline bool mtk_foe_entry_usable(
FIELD_GET(MTK_FOE_IB1_STATE, entry->ib1) != MTK_FOE_STATE_BIND;
}
+int mtk_foe_entry_set_queue(struct mtk_eth *eth, struct mtk_foe_entry *entry,
+ unsigned int queue)
+{
+ u32 *ib2 = mtk_foe_entry_ib2(eth, entry);
+
+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
+ *ib2 &= ~MTK_FOE_IB2_QID_V2;
+ *ib2 |= FIELD_PREP(MTK_FOE_IB2_QID_V2, queue);
+ *ib2 |= MTK_FOE_IB2_PSE_QOS_V2;
+ } else {
+ *ib2 &= ~MTK_FOE_IB2_QID;
+ *ib2 |= FIELD_PREP(MTK_FOE_IB2_QID, queue);
+ *ib2 |= MTK_FOE_IB2_PSE_QOS;
+ }
+
+ return 0;
+}
+
static bool
mtk_flow_entry_match(struct mtk_eth *eth, struct mtk_flow_entry *entry,
struct mtk_foe_entry *data)
--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
@@ -69,7 +69,9 @@ enum {
#define MTK_FOE_IB2_DSCP GENMASK(31, 24)
/* CONFIG_MEDIATEK_NETSYS_V2 */
+#define MTK_FOE_IB2_QID_V2 GENMASK(6, 0)
#define MTK_FOE_IB2_PORT_MG_V2 BIT(7)
+#define MTK_FOE_IB2_PSE_QOS_V2 BIT(8)
#define MTK_FOE_IB2_DEST_PORT_V2 GENMASK(12, 9)
#define MTK_FOE_IB2_MULTICAST_V2 BIT(13)
#define MTK_FOE_IB2_WDMA_WINFO_V2 BIT(19)
@@ -369,6 +371,8 @@ int mtk_foe_entry_set_pppoe(struct mtk_e
int sid);
int mtk_foe_entry_set_wdma(struct mtk_eth *eth, struct mtk_foe_entry *entry,
int wdma_idx, int txq, int bss, int wcid);
+int mtk_foe_entry_set_queue(struct mtk_eth *eth, struct mtk_foe_entry *entry,
+ unsigned int queue);
int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
@@ -188,7 +188,7 @@ mtk_flow_set_output_device(struct mtk_et
int *wed_index)
{
struct mtk_wdma_info info = {};
- int pse_port, dsa_port;
+ int pse_port, dsa_port, queue;
if (mtk_flow_get_wdma_info(dev, dest_mac, &info) == 0) {
mtk_foe_entry_set_wdma(eth, foe, info.wdma_idx, info.queue,
@@ -212,8 +212,6 @@ mtk_flow_set_output_device(struct mtk_et
}
dsa_port = mtk_flow_get_dsa_port(&dev);
- if (dsa_port >= 0)
- mtk_foe_entry_set_dsa(eth, foe, dsa_port);
if (dev == eth->netdev[0])
pse_port = 1;
@@ -222,6 +220,14 @@ mtk_flow_set_output_device(struct mtk_et
else
return -EOPNOTSUPP;
+ if (dsa_port >= 0) {
+ mtk_foe_entry_set_dsa(eth, foe, dsa_port);
+ queue = 3 + dsa_port;
+ } else {
+ queue = pse_port - 1;
+ }
+ mtk_foe_entry_set_queue(eth, foe, queue);
+
out:
mtk_foe_entry_set_pse_port(eth, foe, pse_port);