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2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/ethernet/stmicro/stmmac/stmmac.h
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@@ -1,17 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*******************************************************************************
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   Copyright (C) 2007-2009  STMicroelectronics Ltd
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-  This program is free software; you can redistribute it and/or modify it
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-  under the terms and conditions of the GNU General Public License,
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-  version 2, as published by the Free Software Foundation.
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-
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-  This program is distributed in the hope it will be useful, but WITHOUT
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-  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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-  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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-  more details.
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-
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-  The full GNU General Public License is included in this distribution in
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-  the file called "COPYING".
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   Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
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 *******************************************************************************/
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@@ -23,13 +13,15 @@
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 #define DRV_MODULE_VERSION	"Jan_2016"
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 #include <linux/clk.h>
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+#include <linux/if_vlan.h>
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 #include <linux/stmmac.h>
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-#include <linux/phy.h>
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+#include <linux/phylink.h>
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 #include <linux/pci.h>
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 #include "common.h"
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 #include <linux/ptp_clock_kernel.h>
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 #include <linux/net_tstamp.h>
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 #include <linux/reset.h>
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+#include <net/page_pool.h>
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 struct stmmac_resources {
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 	void __iomem *addr;
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@@ -47,13 +39,18 @@
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 	bool is_jumbo;
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 };
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+#define STMMAC_TBS_AVAIL	BIT(0)
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+#define STMMAC_TBS_EN		BIT(1)
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+
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 /* Frequently used values are kept adjacent for cache effect */
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 struct stmmac_tx_queue {
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 	u32 tx_count_frames;
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+	int tbs;
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 	struct timer_list txtimer;
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 	u32 queue_index;
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 	struct stmmac_priv *priv_data;
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 	struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
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+	struct dma_edesc *dma_entx;
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 	struct dma_desc *dma_tx;
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 	struct sk_buff **tx_skbuff;
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 	struct stmmac_tx_info *tx_skbuff_dma;
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@@ -64,26 +61,40 @@
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 	u32 mss;
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 };
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+struct stmmac_rx_buffer {
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+	struct page *page;
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+	struct page *sec_page;
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+	dma_addr_t addr;
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+	dma_addr_t sec_addr;
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+};
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+
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 struct stmmac_rx_queue {
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+	u32 rx_count_frames;
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 	u32 queue_index;
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+	struct page_pool *page_pool;
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+	struct stmmac_rx_buffer *buf_pool;
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 	struct stmmac_priv *priv_data;
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 	struct dma_extended_desc *dma_erx;
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 	struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
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-	struct sk_buff **rx_skbuff;
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-	dma_addr_t *rx_skbuff_dma;
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 	unsigned int cur_rx;
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 	unsigned int dirty_rx;
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 	u32 rx_zeroc_thresh;
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 	dma_addr_t dma_rx_phy;
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 	u32 rx_tail_addr;
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+	unsigned int state_saved;
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+	struct {
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+		struct sk_buff *skb;
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+		unsigned int len;
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+		unsigned int error;
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+	} state;
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 };
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 struct stmmac_channel {
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-	struct napi_struct napi ____cacheline_aligned_in_smp;
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+	struct napi_struct rx_napi ____cacheline_aligned_in_smp;
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+	struct napi_struct tx_napi ____cacheline_aligned_in_smp;
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 	struct stmmac_priv *priv_data;
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+	spinlock_t lock;
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 	u32 index;
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-	int has_rx;
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-	int has_tx;
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 };
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 struct stmmac_tc_entry {
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@@ -117,15 +128,34 @@
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 	struct timespec64 period;
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 };
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+struct stmmac_rss {
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+	int enable;
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+	u8 key[STMMAC_RSS_HASH_KEY_SIZE];
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+	u32 table[STMMAC_RSS_MAX_TABLE_SIZE];
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+};
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+
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+#define STMMAC_FLOW_ACTION_DROP		BIT(0)
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+struct stmmac_flow_entry {
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+	unsigned long cookie;
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+	unsigned long action;
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+	u8 ip_proto;
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+	int in_use;
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+	int idx;
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+	int is_l4;
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+};
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+
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 struct stmmac_priv {
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 	/* Frequently used values are kept adjacent for cache effect */
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 	u32 tx_coal_frames;
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 	u32 tx_coal_timer;
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+	u32 rx_coal_frames;
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 	int tx_coalesce;
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 	int hwts_tx_en;
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 	bool tx_path_in_lpi_mode;
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 	bool tso;
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+	int sph;
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+	u32 sarc_type;
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 	unsigned int dma_buf_sz;
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 	unsigned int rx_copybreak;
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@@ -141,20 +171,23 @@
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 	/* RX Queue */
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 	struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
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+	unsigned int dma_rx_size;
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 	/* TX Queue */
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 	struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
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+	unsigned int dma_tx_size;
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 	/* Generic channel for NAPI */
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 	struct stmmac_channel channel[STMMAC_CH_MAX];
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-	bool oldlink;
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 	int speed;
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-	int oldduplex;
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 	unsigned int flow_ctrl;
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 	unsigned int pause;
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 	struct mii_bus *mii;
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 	int mii_irq[PHY_MAX_ADDR];
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+
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+	struct phylink_config phylink_config;
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+	struct phylink *phylink;
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 	struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
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 	struct stmmac_safety_stats sstats;
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@@ -172,6 +205,8 @@
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 	int eee_enabled;
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 	int eee_active;
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 	int tx_lpi_timer;
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+	int tx_lpi_enabled;
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+	int eee_tw_timer;
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 	unsigned int mode;
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 	unsigned int chain_mode;
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 	int extend_desc;
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@@ -187,11 +222,10 @@
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 	spinlock_t ptp_lock;
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 	void __iomem *mmcaddr;
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 	void __iomem *ptpaddr;
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+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
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 #ifdef CONFIG_DEBUG_FS
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 	struct dentry *dbgfs_dir;
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-	struct dentry *dbgfs_rings_status;
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-	struct dentry *dbgfs_dma_cap;
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 #endif
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 	unsigned long state;
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@@ -202,9 +236,14 @@
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 	unsigned int tc_entries_max;
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 	unsigned int tc_off_max;
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 	struct stmmac_tc_entry *tc_entries;
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+	unsigned int flow_entries_max;
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+	struct stmmac_flow_entry *flow_entries;
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 	/* Pulse Per Second output */
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 	struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
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+
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+	/* Receive Side Scaling */
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+	struct stmmac_rss rss;
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 };
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 enum stmmac_state {
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@@ -226,18 +265,9 @@
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 }
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 #endif
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-#ifdef CONFIG_STMMAC_PTP
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+int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags);
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 void stmmac_ptp_register(struct stmmac_priv *priv);
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 void stmmac_ptp_unregister(struct stmmac_priv *priv);
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-#else
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-static inline void stmmac_ptp_register(struct stmmac_priv *priv)
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-{
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-}
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-
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-static inline void stmmac_ptp_unregister(struct stmmac_priv *priv)
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-{
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-}
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-#endif
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 int stmmac_resume(struct device *dev);
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 int stmmac_suspend(struct device *dev);
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 int stmmac_dvr_remove(struct device *dev);
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@@ -246,5 +276,30 @@
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 		     struct stmmac_resources *res);
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 void stmmac_disable_eee_mode(struct stmmac_priv *priv);
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 bool stmmac_eee_init(struct stmmac_priv *priv);
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+int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt);
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+int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size);
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+int stmmac_bus_clks_config(struct stmmac_priv *priv, bool enabled);
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+
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+#if IS_ENABLED(CONFIG_STMMAC_SELFTESTS)
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+void stmmac_selftest_run(struct net_device *dev,
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+			 struct ethtool_test *etest, u64 *buf);
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+void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data);
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+int stmmac_selftest_get_count(struct stmmac_priv *priv);
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+#else
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+static inline void stmmac_selftest_run(struct net_device *dev,
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+				       struct ethtool_test *etest, u64 *buf)
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+{
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+	/* Not enabled */
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+}
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+static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv,
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+					       u8 *data)
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+{
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+	/* Not enabled */
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+}
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+static inline int stmmac_selftest_get_count(struct stmmac_priv *priv)
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+{
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+	return -EOPNOTSUPP;
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+}
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+#endif /* CONFIG_STMMAC_SELFTESTS */
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 #endif /* __STMMAC_H__ */