/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ /* Copyright 2017-2019 NXP */ #include <linux/timer.h> #include <linux/pci.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/dma-mapping.h> #include <linux/skbuff.h> #include <linux/ethtool.h> #include <linux/if_vlan.h> #include <linux/phylink.h> #include <linux/dim.h> #include <net/xdp.h> #include "enetc_hw.h" #define ENETC_MAC_MAXFRM_SIZE … #define ENETC_MAX_MTU … #define ENETC_CBD_DATA_MEM_ALIGN … struct enetc_tx_swbd { … }; #define ENETC_RX_MAXFRM_SIZE … #define ENETC_RXB_TRUESIZE … #define ENETC_RXB_PAD … #define ENETC_RXB_DMA_SIZE … #define ENETC_RXB_DMA_SIZE_XDP … struct enetc_rx_swbd { … }; /* ENETC overhead: optional extension BD + 1 BD gap */ #define ENETC_TXBDS_NEEDED(val) … /* max # of chained Tx BDs is 15, including head and extension BD */ #define ENETC_MAX_SKB_FRAGS … #define ENETC_TXBDS_MAX_NEEDED … struct enetc_ring_stats { … }; struct enetc_xdp_data { … }; #define ENETC_RX_RING_DEFAULT_SIZE … #define ENETC_TX_RING_DEFAULT_SIZE … #define ENETC_DEFAULT_TX_WORK … struct enetc_bdr_resource { … }; struct enetc_bdr { … } ____cacheline_aligned_in_smp; static inline void enetc_bdr_idx_inc(struct enetc_bdr *bdr, int *i) { … } static inline int enetc_bd_unused(struct enetc_bdr *bdr) { … } static inline int enetc_swbd_unused(struct enetc_bdr *bdr) { … } /* Control BD ring */ #define ENETC_CBDR_DEFAULT_SIZE … struct enetc_cbdr { … }; #define ENETC_TXBD(BDR, i) … static inline union enetc_rx_bd *enetc_rxbd(struct enetc_bdr *rx_ring, int i) { … } static inline void enetc_rxbd_next(struct enetc_bdr *rx_ring, union enetc_rx_bd **old_rxbd, int *old_index) { … } static inline union enetc_rx_bd *enetc_rxbd_ext(union enetc_rx_bd *rxbd) { … } struct enetc_msg_swbd { … }; #define ENETC_REV1 … enum enetc_errata { … }; #define ENETC_SI_F_PSFP … #define ENETC_SI_F_QBV … #define ENETC_SI_F_QBU … /* PCI IEP device data */ struct enetc_si { … }; #define ENETC_SI_ALIGN … static inline void *enetc_si_priv(const struct enetc_si *si) { … } static inline bool enetc_si_is_pf(struct enetc_si *si) { … } static inline int enetc_pf_to_port(struct pci_dev *pf_pdev) { … } #define ENETC_MAX_NUM_TXQS … #define ENETC_INT_NAME_MAX … struct enetc_int_vector { … } ____cacheline_aligned_in_smp; struct enetc_cls_rule { … }; #define ENETC_MAX_BDR_INT … struct psfp_cap { … }; #define ENETC_F_TX_TSTAMP_MASK … enum enetc_active_offloads { … }; enum enetc_flags_bit { … }; /* interrupt coalescing modes */ enum enetc_ic_mode { … }; #define ENETC_RXIC_PKTTHR … #define ENETC_TXIC_PKTTHR … #define ENETC_TXIC_TIMETHR … struct enetc_ndev_priv { … }; /* Messaging */ /* VF-PF set primary MAC address message format */ struct enetc_msg_cmd_set_primary_mac { … }; #define ENETC_CBD(R, i) … #define ENETC_CBDR_TIMEOUT … /* PTP driver exports */ extern int enetc_phc_index; /* SI common */ u32 enetc_port_mac_rd(struct enetc_si *si, u32 reg); void enetc_port_mac_wr(struct enetc_si *si, u32 reg, u32 val); int enetc_pci_probe(struct pci_dev *pdev, const char *name, int sizeof_priv); void enetc_pci_remove(struct pci_dev *pdev); int enetc_alloc_msix(struct enetc_ndev_priv *priv); void enetc_free_msix(struct enetc_ndev_priv *priv); void enetc_get_si_caps(struct enetc_si *si); void enetc_init_si_rings_params(struct enetc_ndev_priv *priv); int enetc_alloc_si_resources(struct enetc_ndev_priv *priv); void enetc_free_si_resources(struct enetc_ndev_priv *priv); int enetc_configure_si(struct enetc_ndev_priv *priv); int enetc_open(struct net_device *ndev); int enetc_close(struct net_device *ndev); void enetc_start(struct net_device *ndev); void enetc_stop(struct net_device *ndev); netdev_tx_t enetc_xmit(struct sk_buff *skb, struct net_device *ndev); struct net_device_stats *enetc_get_stats(struct net_device *ndev); void enetc_set_features(struct net_device *ndev, netdev_features_t features); int enetc_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd); int enetc_setup_tc_mqprio(struct net_device *ndev, void *type_data); void enetc_reset_tc_mqprio(struct net_device *ndev); int enetc_setup_bpf(struct net_device *ndev, struct netdev_bpf *bpf); int enetc_xdp_xmit(struct net_device *ndev, int num_frames, struct xdp_frame **frames, u32 flags); /* ethtool */ void enetc_set_ethtool_ops(struct net_device *ndev); void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link); void enetc_mm_commit_preemptible_tcs(struct enetc_ndev_priv *priv); /* control buffer descriptor ring (CBDR) */ int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw, int bd_count, struct enetc_cbdr *cbdr); void enetc_teardown_cbdr(struct enetc_cbdr *cbdr); int enetc_set_mac_flt_entry(struct enetc_si *si, int index, char *mac_addr, int si_map); int enetc_clear_mac_flt_entry(struct enetc_si *si, int index); int enetc_set_fs_entry(struct enetc_si *si, struct enetc_cmd_rfse *rfse, int index); void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes); int enetc_get_rss_table(struct enetc_si *si, u32 *table, int count); int enetc_set_rss_table(struct enetc_si *si, const u32 *table, int count); int enetc_send_cmd(struct enetc_si *si, struct enetc_cbd *cbd); static inline void *enetc_cbd_alloc_data_mem(struct enetc_si *si, struct enetc_cbd *cbd, int size, dma_addr_t *dma, void **data_align) { … } static inline void enetc_cbd_free_data_mem(struct enetc_si *si, int size, void *data, dma_addr_t *dma) { … } void enetc_reset_ptcmsdur(struct enetc_hw *hw); void enetc_set_ptcmsdur(struct enetc_hw *hw, u32 *queue_max_sdu); #ifdef CONFIG_FSL_ENETC_QOS int enetc_qos_query_caps(struct net_device *ndev, void *type_data); int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data); void enetc_sched_speed_set(struct enetc_ndev_priv *priv, int speed); int enetc_setup_tc_cbs(struct net_device *ndev, void *type_data); int enetc_setup_tc_txtime(struct net_device *ndev, void *type_data); int enetc_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv); int enetc_setup_tc_psfp(struct net_device *ndev, void *type_data); int enetc_psfp_init(struct enetc_ndev_priv *priv); int enetc_psfp_clean(struct enetc_ndev_priv *priv); int enetc_set_psfp(struct net_device *ndev, bool en); static inline void enetc_get_max_cap(struct enetc_ndev_priv *priv) { … } static inline int enetc_psfp_enable(struct enetc_ndev_priv *priv) { … } static inline int enetc_psfp_disable(struct enetc_ndev_priv *priv) { … } #else #define enetc_qos_query_caps … #define enetc_setup_tc_taprio … #define enetc_sched_speed_set … #define enetc_setup_tc_cbs … #define enetc_setup_tc_txtime … #define enetc_setup_tc_psfp … #define enetc_setup_tc_block_cb … #define enetc_get_max_cap … static inline int enetc_psfp_enable(struct enetc_ndev_priv *priv) { return 0; } static inline int enetc_psfp_disable(struct enetc_ndev_priv *priv) { return 0; } static inline int enetc_set_psfp(struct net_device *ndev, bool en) { return 0; } #endif
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