470 lines
11 KiB
C
470 lines
11 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*******************************************************************************
|
|
Copyright (C) 2007-2009 STMicroelectronics Ltd
|
|
|
|
|
|
Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
|
|
*******************************************************************************/
|
|
|
|
#ifndef __STMMAC_H__
|
|
#define __STMMAC_H__
|
|
|
|
#define STMMAC_RESOURCE_NAME "stmmaceth"
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/hrtimer.h>
|
|
#include <linux/if_vlan.h>
|
|
#include <linux/stmmac.h>
|
|
#include <linux/phylink.h>
|
|
#include <linux/pci.h>
|
|
#include "common.h"
|
|
#include <linux/ptp_clock_kernel.h>
|
|
#include <linux/net_tstamp.h>
|
|
#include <linux/reset.h>
|
|
#include <net/page_pool/types.h>
|
|
#include <net/xdp.h>
|
|
#include <uapi/linux/bpf.h>
|
|
|
|
struct stmmac_resources {
|
|
void __iomem *addr;
|
|
u8 mac[ETH_ALEN];
|
|
int wol_irq;
|
|
int lpi_irq;
|
|
int irq;
|
|
int sfty_irq;
|
|
int sfty_ce_irq;
|
|
int sfty_ue_irq;
|
|
int rx_irq[MTL_MAX_RX_QUEUES];
|
|
int tx_irq[MTL_MAX_TX_QUEUES];
|
|
};
|
|
|
|
enum stmmac_txbuf_type {
|
|
STMMAC_TXBUF_T_SKB,
|
|
STMMAC_TXBUF_T_XDP_TX,
|
|
STMMAC_TXBUF_T_XDP_NDO,
|
|
STMMAC_TXBUF_T_XSK_TX,
|
|
};
|
|
|
|
struct stmmac_tx_info {
|
|
dma_addr_t buf;
|
|
bool map_as_page;
|
|
unsigned len;
|
|
bool last_segment;
|
|
bool is_jumbo;
|
|
enum stmmac_txbuf_type buf_type;
|
|
struct xsk_tx_metadata_compl xsk_meta;
|
|
};
|
|
|
|
#define STMMAC_TBS_AVAIL BIT(0)
|
|
#define STMMAC_TBS_EN BIT(1)
|
|
|
|
/* Frequently used values are kept adjacent for cache effect */
|
|
struct stmmac_tx_queue {
|
|
u32 tx_count_frames;
|
|
int tbs;
|
|
struct hrtimer txtimer;
|
|
u32 queue_index;
|
|
struct stmmac_priv *priv_data;
|
|
struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
|
|
struct dma_edesc *dma_entx;
|
|
struct dma_desc *dma_tx;
|
|
union {
|
|
struct sk_buff **tx_skbuff;
|
|
struct xdp_frame **xdpf;
|
|
};
|
|
struct stmmac_tx_info *tx_skbuff_dma;
|
|
struct xsk_buff_pool *xsk_pool;
|
|
u32 xsk_frames_done;
|
|
unsigned int cur_tx;
|
|
unsigned int dirty_tx;
|
|
dma_addr_t dma_tx_phy;
|
|
dma_addr_t tx_tail_addr;
|
|
u32 mss;
|
|
};
|
|
|
|
struct stmmac_rx_buffer {
|
|
union {
|
|
struct {
|
|
struct page *page;
|
|
dma_addr_t addr;
|
|
__u32 page_offset;
|
|
};
|
|
struct xdp_buff *xdp;
|
|
};
|
|
struct page *sec_page;
|
|
dma_addr_t sec_addr;
|
|
};
|
|
|
|
struct stmmac_xdp_buff {
|
|
struct xdp_buff xdp;
|
|
struct stmmac_priv *priv;
|
|
struct dma_desc *desc;
|
|
struct dma_desc *ndesc;
|
|
};
|
|
|
|
struct stmmac_metadata_request {
|
|
struct stmmac_priv *priv;
|
|
struct dma_desc *tx_desc;
|
|
bool *set_ic;
|
|
};
|
|
|
|
struct stmmac_xsk_tx_complete {
|
|
struct stmmac_priv *priv;
|
|
struct dma_desc *desc;
|
|
};
|
|
|
|
struct stmmac_rx_queue {
|
|
u32 rx_count_frames;
|
|
u32 queue_index;
|
|
struct xdp_rxq_info xdp_rxq;
|
|
struct xsk_buff_pool *xsk_pool;
|
|
struct page_pool *page_pool;
|
|
struct stmmac_rx_buffer *buf_pool;
|
|
struct stmmac_priv *priv_data;
|
|
struct dma_extended_desc *dma_erx;
|
|
struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
|
|
unsigned int cur_rx;
|
|
unsigned int dirty_rx;
|
|
unsigned int buf_alloc_num;
|
|
u32 rx_zeroc_thresh;
|
|
dma_addr_t dma_rx_phy;
|
|
u32 rx_tail_addr;
|
|
unsigned int state_saved;
|
|
struct {
|
|
struct sk_buff *skb;
|
|
unsigned int len;
|
|
unsigned int error;
|
|
} state;
|
|
};
|
|
|
|
struct stmmac_channel {
|
|
struct napi_struct rx_napi ____cacheline_aligned_in_smp;
|
|
struct napi_struct tx_napi ____cacheline_aligned_in_smp;
|
|
struct napi_struct rxtx_napi ____cacheline_aligned_in_smp;
|
|
struct stmmac_priv *priv_data;
|
|
spinlock_t lock;
|
|
u32 index;
|
|
};
|
|
|
|
/* FPE link-partner hand-shaking mPacket type */
|
|
enum stmmac_mpacket_type {
|
|
MPACKET_VERIFY = 0,
|
|
MPACKET_RESPONSE = 1,
|
|
};
|
|
|
|
#define STMMAC_FPE_MM_MAX_VERIFY_RETRIES 3
|
|
#define STMMAC_FPE_MM_MAX_VERIFY_TIME_MS 128
|
|
|
|
struct stmmac_fpe_cfg {
|
|
/* Serialize access to MAC Merge state between ethtool requests
|
|
* and link state updates.
|
|
*/
|
|
spinlock_t lock;
|
|
|
|
u32 fpe_csr; /* MAC_FPE_CTRL_STS reg cache */
|
|
|
|
enum ethtool_mm_verify_status status;
|
|
struct timer_list verify_timer;
|
|
bool verify_enabled;
|
|
int verify_retries;
|
|
bool pmac_enabled;
|
|
u32 verify_time;
|
|
bool tx_enabled;
|
|
};
|
|
|
|
struct stmmac_tc_entry {
|
|
bool in_use;
|
|
bool in_hw;
|
|
bool is_last;
|
|
bool is_frag;
|
|
void *frag_ptr;
|
|
unsigned int table_pos;
|
|
u32 handle;
|
|
u32 prio;
|
|
struct {
|
|
u32 match_data;
|
|
u32 match_en;
|
|
u8 af:1;
|
|
u8 rf:1;
|
|
u8 im:1;
|
|
u8 nc:1;
|
|
u8 res1:4;
|
|
u8 frame_offset;
|
|
u8 ok_index;
|
|
u8 dma_ch_no;
|
|
u32 res2;
|
|
} __packed val;
|
|
};
|
|
|
|
#define STMMAC_PPS_MAX 4
|
|
struct stmmac_pps_cfg {
|
|
bool available;
|
|
struct timespec64 start;
|
|
struct timespec64 period;
|
|
};
|
|
|
|
struct stmmac_rss {
|
|
int enable;
|
|
u8 key[STMMAC_RSS_HASH_KEY_SIZE];
|
|
u32 table[STMMAC_RSS_MAX_TABLE_SIZE];
|
|
};
|
|
|
|
#define STMMAC_FLOW_ACTION_DROP BIT(0)
|
|
struct stmmac_flow_entry {
|
|
unsigned long cookie;
|
|
unsigned long action;
|
|
u8 ip_proto;
|
|
int in_use;
|
|
int idx;
|
|
int is_l4;
|
|
};
|
|
|
|
/* Rx Frame Steering */
|
|
enum stmmac_rfs_type {
|
|
STMMAC_RFS_T_VLAN,
|
|
STMMAC_RFS_T_LLDP,
|
|
STMMAC_RFS_T_1588,
|
|
STMMAC_RFS_T_MAX,
|
|
};
|
|
|
|
struct stmmac_rfs_entry {
|
|
unsigned long cookie;
|
|
u16 etype;
|
|
int in_use;
|
|
int type;
|
|
int tc;
|
|
};
|
|
|
|
struct stmmac_dma_conf {
|
|
unsigned int dma_buf_sz;
|
|
|
|
/* RX Queue */
|
|
struct stmmac_rx_queue rx_queue[MTL_MAX_RX_QUEUES];
|
|
unsigned int dma_rx_size;
|
|
|
|
/* TX Queue */
|
|
struct stmmac_tx_queue tx_queue[MTL_MAX_TX_QUEUES];
|
|
unsigned int dma_tx_size;
|
|
};
|
|
|
|
#define EST_GCL 1024
|
|
struct stmmac_est {
|
|
int enable;
|
|
u32 btr_reserve[2];
|
|
u32 btr_offset[2];
|
|
u32 btr[2];
|
|
u32 ctr[2];
|
|
u32 ter;
|
|
u32 gcl_unaligned[EST_GCL];
|
|
u32 gcl[EST_GCL];
|
|
u32 gcl_size;
|
|
u32 max_sdu[MTL_MAX_TX_QUEUES];
|
|
};
|
|
|
|
struct stmmac_priv {
|
|
/* Frequently used values are kept adjacent for cache effect */
|
|
u32 tx_coal_frames[MTL_MAX_TX_QUEUES];
|
|
u32 tx_coal_timer[MTL_MAX_TX_QUEUES];
|
|
u32 rx_coal_frames[MTL_MAX_TX_QUEUES];
|
|
|
|
int hwts_tx_en;
|
|
bool tx_path_in_lpi_mode;
|
|
bool tso;
|
|
int sph;
|
|
int sph_cap;
|
|
u32 sarc_type;
|
|
|
|
unsigned int rx_copybreak;
|
|
u32 rx_riwt[MTL_MAX_TX_QUEUES];
|
|
int hwts_rx_en;
|
|
|
|
void __iomem *ioaddr;
|
|
struct net_device *dev;
|
|
struct device *device;
|
|
struct mac_device_info *hw;
|
|
int (*hwif_quirks)(struct stmmac_priv *priv);
|
|
struct mutex lock;
|
|
|
|
struct stmmac_dma_conf dma_conf;
|
|
|
|
/* Generic channel for NAPI */
|
|
struct stmmac_channel channel[STMMAC_CH_MAX];
|
|
|
|
int speed;
|
|
unsigned int flow_ctrl;
|
|
unsigned int pause;
|
|
struct mii_bus *mii;
|
|
|
|
struct phylink_config phylink_config;
|
|
struct phylink *phylink;
|
|
|
|
struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
|
|
struct stmmac_safety_stats sstats;
|
|
struct plat_stmmacenet_data *plat;
|
|
/* Protect est parameters */
|
|
struct mutex est_lock;
|
|
struct stmmac_est *est;
|
|
struct dma_features dma_cap;
|
|
struct stmmac_counters mmc;
|
|
int hw_cap_support;
|
|
int synopsys_id;
|
|
u32 msg_enable;
|
|
int wolopts;
|
|
int wol_irq;
|
|
bool wol_irq_disabled;
|
|
int clk_csr;
|
|
struct timer_list eee_ctrl_timer;
|
|
int lpi_irq;
|
|
int eee_enabled;
|
|
int eee_active;
|
|
int tx_lpi_timer;
|
|
int tx_lpi_enabled;
|
|
int eee_tw_timer;
|
|
bool eee_sw_timer_en;
|
|
unsigned int mode;
|
|
unsigned int chain_mode;
|
|
int extend_desc;
|
|
struct hwtstamp_config tstamp_config;
|
|
struct ptp_clock *ptp_clock;
|
|
struct ptp_clock_info ptp_clock_ops;
|
|
unsigned int default_addend;
|
|
u32 sub_second_inc;
|
|
u32 systime_flags;
|
|
u32 adv_ts;
|
|
int use_riwt;
|
|
int irq_wake;
|
|
rwlock_t ptp_lock;
|
|
/* Protects auxiliary snapshot registers from concurrent access. */
|
|
struct mutex aux_ts_lock;
|
|
wait_queue_head_t tstamp_busy_wait;
|
|
|
|
void __iomem *mmcaddr;
|
|
void __iomem *ptpaddr;
|
|
void __iomem *estaddr;
|
|
unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
|
|
int sfty_irq;
|
|
int sfty_ce_irq;
|
|
int sfty_ue_irq;
|
|
int rx_irq[MTL_MAX_RX_QUEUES];
|
|
int tx_irq[MTL_MAX_TX_QUEUES];
|
|
/*irq name */
|
|
char int_name_mac[IFNAMSIZ + 9];
|
|
char int_name_wol[IFNAMSIZ + 9];
|
|
char int_name_lpi[IFNAMSIZ + 9];
|
|
char int_name_sfty[IFNAMSIZ + 10];
|
|
char int_name_sfty_ce[IFNAMSIZ + 10];
|
|
char int_name_sfty_ue[IFNAMSIZ + 10];
|
|
char int_name_rx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 14];
|
|
char int_name_tx_irq[MTL_MAX_TX_QUEUES][IFNAMSIZ + 18];
|
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
struct dentry *dbgfs_dir;
|
|
#endif
|
|
|
|
unsigned long state;
|
|
struct workqueue_struct *wq;
|
|
struct work_struct service_task;
|
|
|
|
/* Frame Preemption feature (FPE) */
|
|
struct stmmac_fpe_cfg fpe_cfg;
|
|
|
|
/* TC Handling */
|
|
unsigned int tc_entries_max;
|
|
unsigned int tc_off_max;
|
|
struct stmmac_tc_entry *tc_entries;
|
|
unsigned int flow_entries_max;
|
|
struct stmmac_flow_entry *flow_entries;
|
|
unsigned int rfs_entries_max[STMMAC_RFS_T_MAX];
|
|
unsigned int rfs_entries_cnt[STMMAC_RFS_T_MAX];
|
|
unsigned int rfs_entries_total;
|
|
struct stmmac_rfs_entry *rfs_entries;
|
|
|
|
/* Pulse Per Second output */
|
|
struct stmmac_pps_cfg pps[STMMAC_PPS_MAX];
|
|
|
|
/* Receive Side Scaling */
|
|
struct stmmac_rss rss;
|
|
|
|
/* XDP BPF Program */
|
|
unsigned long *af_xdp_zc_qps;
|
|
struct bpf_prog *xdp_prog;
|
|
};
|
|
|
|
enum stmmac_state {
|
|
STMMAC_DOWN,
|
|
STMMAC_RESET_REQUESTED,
|
|
STMMAC_RESETING,
|
|
STMMAC_SERVICE_SCHED,
|
|
};
|
|
|
|
int stmmac_mdio_unregister(struct net_device *ndev);
|
|
int stmmac_mdio_register(struct net_device *ndev);
|
|
int stmmac_mdio_reset(struct mii_bus *mii);
|
|
int stmmac_pcs_setup(struct net_device *ndev);
|
|
void stmmac_pcs_clean(struct net_device *ndev);
|
|
void stmmac_set_ethtool_ops(struct net_device *netdev);
|
|
|
|
int stmmac_init_tstamp_counter(struct stmmac_priv *priv, u32 systime_flags);
|
|
void stmmac_ptp_register(struct stmmac_priv *priv);
|
|
void stmmac_ptp_unregister(struct stmmac_priv *priv);
|
|
int stmmac_xdp_open(struct net_device *dev);
|
|
void stmmac_xdp_release(struct net_device *dev);
|
|
int stmmac_resume(struct device *dev);
|
|
int stmmac_suspend(struct device *dev);
|
|
void stmmac_dvr_remove(struct device *dev);
|
|
int stmmac_dvr_probe(struct device *device,
|
|
struct plat_stmmacenet_data *plat_dat,
|
|
struct stmmac_resources *res);
|
|
void stmmac_disable_eee_mode(struct stmmac_priv *priv);
|
|
bool stmmac_eee_init(struct stmmac_priv *priv);
|
|
int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt);
|
|
int stmmac_reinit_ringparam(struct net_device *dev, u32 rx_size, u32 tx_size);
|
|
int stmmac_bus_clks_config(struct stmmac_priv *priv, bool enabled);
|
|
void stmmac_fpe_apply(struct stmmac_priv *priv);
|
|
|
|
static inline bool stmmac_xdp_is_enabled(struct stmmac_priv *priv)
|
|
{
|
|
return !!priv->xdp_prog;
|
|
}
|
|
|
|
static inline unsigned int stmmac_rx_offset(struct stmmac_priv *priv)
|
|
{
|
|
if (stmmac_xdp_is_enabled(priv))
|
|
return XDP_PACKET_HEADROOM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void stmmac_disable_rx_queue(struct stmmac_priv *priv, u32 queue);
|
|
void stmmac_enable_rx_queue(struct stmmac_priv *priv, u32 queue);
|
|
void stmmac_disable_tx_queue(struct stmmac_priv *priv, u32 queue);
|
|
void stmmac_enable_tx_queue(struct stmmac_priv *priv, u32 queue);
|
|
int stmmac_xsk_wakeup(struct net_device *dev, u32 queue, u32 flags);
|
|
struct timespec64 stmmac_calc_tas_basetime(ktime_t old_base_time,
|
|
ktime_t current_time,
|
|
u64 cycle_time);
|
|
|
|
#if IS_ENABLED(CONFIG_STMMAC_SELFTESTS)
|
|
void stmmac_selftest_run(struct net_device *dev,
|
|
struct ethtool_test *etest, u64 *buf);
|
|
void stmmac_selftest_get_strings(struct stmmac_priv *priv, u8 *data);
|
|
int stmmac_selftest_get_count(struct stmmac_priv *priv);
|
|
#else
|
|
static inline void stmmac_selftest_run(struct net_device *dev,
|
|
struct ethtool_test *etest, u64 *buf)
|
|
{
|
|
/* Not enabled */
|
|
}
|
|
static inline void stmmac_selftest_get_strings(struct stmmac_priv *priv,
|
|
u8 *data)
|
|
{
|
|
/* Not enabled */
|
|
}
|
|
static inline int stmmac_selftest_get_count(struct stmmac_priv *priv)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
#endif /* CONFIG_STMMAC_SELFTESTS */
|
|
|
|
#endif /* __STMMAC_H__ */
|