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Diffstat (limited to 'target/linux/generic/pending-5.10/701-03-net-ethernet-mtk_eth_soc-implement-flow-offloading-t.patch')
-rw-r--r--target/linux/generic/pending-5.10/701-03-net-ethernet-mtk_eth_soc-implement-flow-offloading-t.patch269
1 files changed, 0 insertions, 269 deletions
diff --git a/target/linux/generic/pending-5.10/701-03-net-ethernet-mtk_eth_soc-implement-flow-offloading-t.patch b/target/linux/generic/pending-5.10/701-03-net-ethernet-mtk_eth_soc-implement-flow-offloading-t.patch
deleted file mode 100644
index b9c6d4378a..0000000000
--- a/target/linux/generic/pending-5.10/701-03-net-ethernet-mtk_eth_soc-implement-flow-offloading-t.patch
+++ /dev/null
@@ -1,269 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Sat, 5 Feb 2022 18:29:22 +0100
-Subject: [PATCH] net: ethernet: mtk_eth_soc: implement flow offloading
- to WED devices
-
-This allows hardware flow offloading from Ethernet to WLAN on MT7622 SoC
-
-Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
-Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/drivers/net/ethernet/mediatek/mtk_ppe.c
-+++ b/drivers/net/ethernet/mediatek/mtk_ppe.c
-@@ -329,6 +329,24 @@ int mtk_foe_entry_set_pppoe(struct mtk_f
- return 0;
- }
-
-+int mtk_foe_entry_set_wdma(struct mtk_foe_entry *entry, int wdma_idx, int txq,
-+ int bss, int wcid)
-+{
-+ struct mtk_foe_mac_info *l2 = mtk_foe_entry_l2(entry);
-+ u32 *ib2 = mtk_foe_entry_ib2(entry);
-+
-+ *ib2 &= ~MTK_FOE_IB2_PORT_MG;
-+ *ib2 |= MTK_FOE_IB2_WDMA_WINFO;
-+ if (wdma_idx)
-+ *ib2 |= MTK_FOE_IB2_WDMA_DEVIDX;
-+
-+ l2->vlan2 = FIELD_PREP(MTK_FOE_VLAN2_WINFO_BSS, bss) |
-+ FIELD_PREP(MTK_FOE_VLAN2_WINFO_WCID, wcid) |
-+ FIELD_PREP(MTK_FOE_VLAN2_WINFO_RING, txq);
-+
-+ return 0;
-+}
-+
- static inline bool mtk_foe_entry_usable(struct mtk_foe_entry *entry)
- {
- return !(entry->ib1 & MTK_FOE_IB1_STATIC) &&
---- a/drivers/net/ethernet/mediatek/mtk_ppe.h
-+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
-@@ -48,9 +48,9 @@ enum {
- #define MTK_FOE_IB2_DEST_PORT GENMASK(7, 5)
- #define MTK_FOE_IB2_MULTICAST BIT(8)
-
--#define MTK_FOE_IB2_WHNAT_QID2 GENMASK(13, 12)
--#define MTK_FOE_IB2_WHNAT_DEVIDX BIT(16)
--#define MTK_FOE_IB2_WHNAT_NAT BIT(17)
-+#define MTK_FOE_IB2_WDMA_QID2 GENMASK(13, 12)
-+#define MTK_FOE_IB2_WDMA_DEVIDX BIT(16)
-+#define MTK_FOE_IB2_WDMA_WINFO BIT(17)
-
- #define MTK_FOE_IB2_PORT_MG GENMASK(17, 12)
-
-@@ -58,9 +58,9 @@ enum {
-
- #define MTK_FOE_IB2_DSCP GENMASK(31, 24)
-
--#define MTK_FOE_VLAN2_WHNAT_BSS GEMMASK(5, 0)
--#define MTK_FOE_VLAN2_WHNAT_WCID GENMASK(13, 6)
--#define MTK_FOE_VLAN2_WHNAT_RING GENMASK(15, 14)
-+#define MTK_FOE_VLAN2_WINFO_BSS GENMASK(5, 0)
-+#define MTK_FOE_VLAN2_WINFO_WCID GENMASK(13, 6)
-+#define MTK_FOE_VLAN2_WINFO_RING GENMASK(15, 14)
-
- enum {
- MTK_FOE_STATE_INVALID,
-@@ -281,6 +281,8 @@ int mtk_foe_entry_set_ipv6_tuple(struct
- int mtk_foe_entry_set_dsa(struct mtk_foe_entry *entry, int port);
- int mtk_foe_entry_set_vlan(struct mtk_foe_entry *entry, int vid);
- int mtk_foe_entry_set_pppoe(struct mtk_foe_entry *entry, int sid);
-+int mtk_foe_entry_set_wdma(struct mtk_foe_entry *entry, int wdma_idx, int txq,
-+ int bss, int wcid);
- int mtk_foe_entry_commit(struct mtk_ppe *ppe, struct mtk_foe_entry *entry,
- u16 timestamp);
- int mtk_ppe_debugfs_init(struct mtk_ppe *ppe);
---- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
-+++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
-@@ -11,6 +11,7 @@
- #include <net/pkt_cls.h>
- #include <net/dsa.h>
- #include "mtk_eth_soc.h"
-+#include "mtk_wed.h"
-
- struct mtk_flow_data {
- struct ethhdr eth;
-@@ -40,6 +41,7 @@ struct mtk_flow_entry {
- struct rhash_head node;
- unsigned long cookie;
- u16 hash;
-+ s8 wed_index;
- };
-
- static const struct rhashtable_params mtk_flow_ht_params = {
-@@ -81,6 +83,35 @@ mtk_flow_offload_mangle_eth(const struct
- memcpy(dest, src, act->mangle.mask ? 2 : 4);
- }
-
-+static int
-+mtk_flow_get_wdma_info(struct net_device *dev, const u8 *addr, struct mtk_wdma_info *info)
-+{
-+ struct net_device_path_ctx ctx = {
-+ .dev = dev,
-+ .daddr = addr,
-+ };
-+ struct net_device_path path = {};
-+
-+ if (!IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED))
-+ return -1;
-+
-+ if (!dev->netdev_ops->ndo_fill_forward_path)
-+ return -1;
-+
-+ if (dev->netdev_ops->ndo_fill_forward_path(&ctx, &path))
-+ return -1;
-+
-+ if (path.type != DEV_PATH_MTK_WDMA)
-+ return -1;
-+
-+ info->wdma_idx = path.mtk_wdma.wdma_idx;
-+ info->queue = path.mtk_wdma.queue;
-+ info->bss = path.mtk_wdma.bss;
-+ info->wcid = path.mtk_wdma.wcid;
-+
-+ return 0;
-+}
-+
-
- static int
- mtk_flow_mangle_ports(const struct flow_action_entry *act,
-@@ -150,10 +181,20 @@ mtk_flow_get_dsa_port(struct net_device
-
- static int
- mtk_flow_set_output_device(struct mtk_eth *eth, struct mtk_foe_entry *foe,
-- struct net_device *dev)
-+ struct net_device *dev, const u8 *dest_mac,
-+ int *wed_index)
- {
-+ struct mtk_wdma_info info = {};
- int pse_port, dsa_port;
-
-+ if (mtk_flow_get_wdma_info(dev, dest_mac, &info) == 0) {
-+ mtk_foe_entry_set_wdma(foe, info.wdma_idx, info.queue, info.bss,
-+ info.wcid);
-+ pse_port = 3;
-+ *wed_index = info.wdma_idx;
-+ goto out;
-+ }
-+
- dsa_port = mtk_flow_get_dsa_port(&dev);
- if (dsa_port >= 0)
- mtk_foe_entry_set_dsa(foe, dsa_port);
-@@ -165,6 +206,7 @@ mtk_flow_set_output_device(struct mtk_et
- else
- return -EOPNOTSUPP;
-
-+out:
- mtk_foe_entry_set_pse_port(foe, pse_port);
-
- return 0;
-@@ -180,6 +222,7 @@ mtk_flow_offload_replace(struct mtk_eth
- struct net_device *odev = NULL;
- struct mtk_flow_entry *entry;
- int offload_type = 0;
-+ int wed_index = -1;
- u16 addr_type = 0;
- u32 timestamp;
- u8 l4proto = 0;
-@@ -327,10 +370,14 @@ mtk_flow_offload_replace(struct mtk_eth
- if (data.pppoe.num == 1)
- mtk_foe_entry_set_pppoe(&foe, data.pppoe.sid);
-
-- err = mtk_flow_set_output_device(eth, &foe, odev);
-+ err = mtk_flow_set_output_device(eth, &foe, odev, data.eth.h_dest,
-+ &wed_index);
- if (err)
- return err;
-
-+ if (wed_index >= 0 && (err = mtk_wed_flow_add(wed_index)) < 0)
-+ return err;
-+
- entry = kzalloc(sizeof(*entry), GFP_KERNEL);
- if (!entry)
- return -ENOMEM;
-@@ -344,6 +391,7 @@ mtk_flow_offload_replace(struct mtk_eth
- }
-
- entry->hash = hash;
-+ entry->wed_index = wed_index;
- err = rhashtable_insert_fast(&eth->flow_table, &entry->node,
- mtk_flow_ht_params);
- if (err < 0)
-@@ -354,6 +402,8 @@ clear_flow:
- mtk_foe_entry_clear(&eth->ppe, hash);
- free:
- kfree(entry);
-+ if (wed_index >= 0)
-+ mtk_wed_flow_remove(wed_index);
- return err;
- }
-
-@@ -370,6 +420,8 @@ mtk_flow_offload_destroy(struct mtk_eth
- mtk_foe_entry_clear(&eth->ppe, entry->hash);
- rhashtable_remove_fast(&eth->flow_table, &entry->node,
- mtk_flow_ht_params);
-+ if (entry->wed_index >= 0)
-+ mtk_wed_flow_remove(entry->wed_index);
- kfree(entry);
-
- return 0;
---- a/drivers/net/ethernet/mediatek/mtk_wed.h
-+++ b/drivers/net/ethernet/mediatek/mtk_wed.h
-@@ -7,6 +7,7 @@
- #include <linux/soc/mediatek/mtk_wed.h>
- #include <linux/debugfs.h>
- #include <linux/regmap.h>
-+#include <linux/netdevice.h>
-
- struct mtk_eth;
-
-@@ -27,6 +28,12 @@ struct mtk_wed_hw {
- int index;
- };
-
-+struct mtk_wdma_info {
-+ u8 wdma_idx;
-+ u8 queue;
-+ u16 wcid;
-+ u8 bss;
-+};
-
- #ifdef CONFIG_NET_MEDIATEK_SOC_WED
- static inline void
---- a/include/linux/netdevice.h
-+++ b/include/linux/netdevice.h
-@@ -856,6 +856,7 @@ enum net_device_path_type {
- DEV_PATH_BRIDGE,
- DEV_PATH_PPPOE,
- DEV_PATH_DSA,
-+ DEV_PATH_MTK_WDMA,
- };
-
- struct net_device_path {
-@@ -881,6 +882,12 @@ struct net_device_path {
- int port;
- u16 proto;
- } dsa;
-+ struct {
-+ u8 wdma_idx;
-+ u8 queue;
-+ u16 wcid;
-+ u8 bss;
-+ } mtk_wdma;
- };
- };
-
---- a/net/core/dev.c
-+++ b/net/core/dev.c
-@@ -883,6 +883,10 @@ int dev_fill_forward_path(const struct n
- if (WARN_ON_ONCE(last_dev == ctx.dev))
- return -1;
- }
-+
-+ if (!ctx.dev)
-+ return ret;
-+
- path = dev_fwd_path(stack);
- if (!path)
- return -1;
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