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94 lines
3.0 KiB
Diff
94 lines
3.0 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
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Date: Thu, 3 Nov 2022 17:49:44 +0100
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Subject: [PATCH] net: ethernet: mediatek: ppe: assign per-port queues
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for offloaded traffic
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Keeps traffic sent to the switch within link speed limits
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_ppe.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
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@@ -405,6 +405,24 @@ static inline bool mtk_foe_entry_usable(
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FIELD_GET(MTK_FOE_IB1_STATE, entry->ib1) != MTK_FOE_STATE_BIND;
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}
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+int mtk_foe_entry_set_queue(struct mtk_eth *eth, struct mtk_foe_entry *entry,
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+ unsigned int queue)
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+{
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+ u32 *ib2 = mtk_foe_entry_ib2(eth, entry);
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+
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+ if (MTK_HAS_CAPS(eth->soc->caps, MTK_NETSYS_V2)) {
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+ *ib2 &= ~MTK_FOE_IB2_QID_V2;
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+ *ib2 |= FIELD_PREP(MTK_FOE_IB2_QID_V2, queue);
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+ *ib2 |= MTK_FOE_IB2_PSE_QOS_V2;
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+ } else {
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+ *ib2 &= ~MTK_FOE_IB2_QID;
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+ *ib2 |= FIELD_PREP(MTK_FOE_IB2_QID, queue);
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+ *ib2 |= MTK_FOE_IB2_PSE_QOS;
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+ }
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+
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+ return 0;
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+}
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+
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static bool
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mtk_flow_entry_match(struct mtk_eth *eth, struct mtk_flow_entry *entry,
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struct mtk_foe_entry *data)
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--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
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@@ -68,7 +68,9 @@ enum {
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#define MTK_FOE_IB2_DSCP GENMASK(31, 24)
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/* CONFIG_MEDIATEK_NETSYS_V2 */
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+#define MTK_FOE_IB2_QID_V2 GENMASK(6, 0)
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#define MTK_FOE_IB2_PORT_MG_V2 BIT(7)
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+#define MTK_FOE_IB2_PSE_QOS_V2 BIT(8)
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#define MTK_FOE_IB2_DEST_PORT_V2 GENMASK(12, 9)
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#define MTK_FOE_IB2_MULTICAST_V2 BIT(13)
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#define MTK_FOE_IB2_WDMA_WINFO_V2 BIT(19)
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@@ -351,6 +353,8 @@ int mtk_foe_entry_set_pppoe(struct mtk_e
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int sid);
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int mtk_foe_entry_set_wdma(struct mtk_eth *eth, struct mtk_foe_entry *entry,
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int wdma_idx, int txq, int bss, int wcid);
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+int mtk_foe_entry_set_queue(struct mtk_eth *eth, struct mtk_foe_entry *entry,
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+ unsigned int queue);
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int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
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void mtk_foe_entry_clear(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
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int mtk_foe_entry_idle_time(struct mtk_ppe *ppe, struct mtk_flow_entry *entry);
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--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
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+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
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@@ -188,7 +188,7 @@ mtk_flow_set_output_device(struct mtk_et
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int *wed_index)
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{
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struct mtk_wdma_info info = {};
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- int pse_port, dsa_port;
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+ int pse_port, dsa_port, queue;
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if (mtk_flow_get_wdma_info(dev, dest_mac, &info) == 0) {
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mtk_foe_entry_set_wdma(eth, foe, info.wdma_idx, info.queue,
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@@ -212,8 +212,6 @@ mtk_flow_set_output_device(struct mtk_et
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}
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dsa_port = mtk_flow_get_dsa_port(&dev);
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- if (dsa_port >= 0)
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- mtk_foe_entry_set_dsa(eth, foe, dsa_port);
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if (dev == eth->netdev[0])
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pse_port = 1;
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@@ -222,6 +220,14 @@ mtk_flow_set_output_device(struct mtk_et
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else
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return -EOPNOTSUPP;
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+ if (dsa_port >= 0) {
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+ mtk_foe_entry_set_dsa(eth, foe, dsa_port);
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+ queue = 3 + dsa_port;
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+ } else {
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+ queue = pse_port - 1;
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+ }
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+ mtk_foe_entry_set_queue(eth, foe, queue);
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+
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out:
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mtk_foe_entry_set_pse_port(eth, foe, pse_port);
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