LXR linux/drivers/net/ethernet/sfc/nic.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/****************************************************************************
   3 * Driver for Solarflare network controllers and boards
   4 * Copyright 2005-2006 Fen Systems Ltd.
   5 * Copyright 2006-2013 Solarflare Communications Inc.
   6 */
   7
   8#ifndef EFX_NIC_H
   9#define EFX_NIC_H
  10
  11#include "nic_common.h"
  12#include "efx.h"
  13
  14u32 efx_farch_fpga_ver(struct efx_nic *efx);
  15
  16enum {
  17        PHY_TYPE_NONE = 0,
  18        PHY_TYPE_TXC43128 = 1,
  19        PHY_TYPE_88E1111 = 2,
  20        PHY_TYPE_SFX7101 = 3,
  21        PHY_TYPE_QT2022C2 = 4,
  22        PHY_TYPE_PM8358 = 6,
  23        PHY_TYPE_SFT9001A = 8,
  24        PHY_TYPE_QT2025C = 9,
  25        PHY_TYPE_SFT9001B = 10,
  26};
  27
  28enum {
  29        SIENA_STAT_tx_bytes = GENERIC_STAT_COUNT,
  30        SIENA_STAT_tx_good_bytes,
  31        SIENA_STAT_tx_bad_bytes,
  32        SIENA_STAT_tx_packets,
  33        SIENA_STAT_tx_bad,
  34        SIENA_STAT_tx_pause,
  35        SIENA_STAT_tx_control,
  36        SIENA_STAT_tx_unicast,
  37        SIENA_STAT_tx_multicast,
  38        SIENA_STAT_tx_broadcast,
  39        SIENA_STAT_tx_lt64,
  40        SIENA_STAT_tx_64,
  41        SIENA_STAT_tx_65_to_127,
  42        SIENA_STAT_tx_128_to_255,
  43        SIENA_STAT_tx_256_to_511,
  44        SIENA_STAT_tx_512_to_1023,
  45        SIENA_STAT_tx_1024_to_15xx,
  46        SIENA_STAT_tx_15xx_to_jumbo,
  47        SIENA_STAT_tx_gtjumbo,
  48        SIENA_STAT_tx_collision,
  49        SIENA_STAT_tx_single_collision,
  50        SIENA_STAT_tx_multiple_collision,
  51        SIENA_STAT_tx_excessive_collision,
  52        SIENA_STAT_tx_deferred,
  53        SIENA_STAT_tx_late_collision,
  54        SIENA_STAT_tx_excessive_deferred,
  55        SIENA_STAT_tx_non_tcpudp,
  56        SIENA_STAT_tx_mac_src_error,
  57        SIENA_STAT_tx_ip_src_error,
  58        SIENA_STAT_rx_bytes,
  59        SIENA_STAT_rx_good_bytes,
  60        SIENA_STAT_rx_bad_bytes,
  61        SIENA_STAT_rx_packets,
  62        SIENA_STAT_rx_good,
  63        SIENA_STAT_rx_bad,
  64        SIENA_STAT_rx_pause,
  65        SIENA_STAT_rx_control,
  66        SIENA_STAT_rx_unicast,
  67        SIENA_STAT_rx_multicast,
  68        SIENA_STAT_rx_broadcast,
  69        SIENA_STAT_rx_lt64,
  70        SIENA_STAT_rx_64,
  71        SIENA_STAT_rx_65_to_127,
  72        SIENA_STAT_rx_128_to_255,
  73        SIENA_STAT_rx_256_to_511,
  74        SIENA_STAT_rx_512_to_1023,
  75        SIENA_STAT_rx_1024_to_15xx,
  76        SIENA_STAT_rx_15xx_to_jumbo,
  77        SIENA_STAT_rx_gtjumbo,
  78        SIENA_STAT_rx_bad_gtjumbo,
  79        SIENA_STAT_rx_overflow,
  80        SIENA_STAT_rx_false_carrier,
  81        SIENA_STAT_rx_symbol_error,
  82        SIENA_STAT_rx_align_error,
  83        SIENA_STAT_rx_length_error,
  84        SIENA_STAT_rx_internal_error,
  85        SIENA_STAT_rx_nodesc_drop_cnt,
  86        SIENA_STAT_COUNT
  87};
  88
  89/**
  90 * struct siena_nic_data - Siena NIC state
  91 * @efx: Pointer back to main interface structure
  92 * @wol_filter_id: Wake-on-LAN packet filter id
  93 * @stats: Hardware statistics
  94 * @vf: Array of &struct siena_vf objects
  95 * @vf_buftbl_base: The zeroth buffer table index used to back VF queues.
  96 * @vfdi_status: Common VFDI status page to be dmad to VF address space.
  97 * @local_addr_list: List of local addresses. Protected by %local_lock.
  98 * @local_page_list: List of DMA addressable pages used to broadcast
  99 *      %local_addr_list. Protected by %local_lock.
 100 * @local_lock: Mutex protecting %local_addr_list and %local_page_list.
 101 * @peer_work: Work item to broadcast peer addresses to VMs.
 102 */
 103struct siena_nic_data {
 104        struct efx_nic *efx;
 105        int wol_filter_id;
 106        u64 stats[SIENA_STAT_COUNT];
 107#ifdef CONFIG_SFC_SRIOV
 108        struct siena_vf *vf;
 109        struct efx_channel *vfdi_channel;
 110        unsigned vf_buftbl_base;
 111        struct efx_buffer vfdi_status;
 112        struct list_head local_addr_list;
 113        struct list_head local_page_list;
 114        struct mutex local_lock;
 115        struct work_struct peer_work;
 116#endif
 117};
 118
 119enum {
 120        EF10_STAT_port_tx_bytes = GENERIC_STAT_COUNT,
 121        EF10_STAT_port_tx_packets,
 122        EF10_STAT_port_tx_pause,
 123        EF10_STAT_port_tx_control,
 124        EF10_STAT_port_tx_unicast,
 125        EF10_STAT_port_tx_multicast,
 126        EF10_STAT_port_tx_broadcast,
 127        EF10_STAT_port_tx_lt64,
 128        EF10_STAT_port_tx_64,
 129        EF10_STAT_port_tx_65_to_127,
 130        EF10_STAT_port_tx_128_to_255,
 131        EF10_STAT_port_tx_256_to_511,
 132        EF10_STAT_port_tx_512_to_1023,
 133        EF10_STAT_port_tx_1024_to_15xx,
 134        EF10_STAT_port_tx_15xx_to_jumbo,
 135        EF10_STAT_port_rx_bytes,
 136        EF10_STAT_port_rx_bytes_minus_good_bytes,
 137        EF10_STAT_port_rx_good_bytes,
 138        EF10_STAT_port_rx_bad_bytes,
 139        EF10_STAT_port_rx_packets,
 140        EF10_STAT_port_rx_good,
 141        EF10_STAT_port_rx_bad,
 142        EF10_STAT_port_rx_pause,
 143        EF10_STAT_port_rx_control,
 144        EF10_STAT_port_rx_unicast,
 145        EF10_STAT_port_rx_multicast,
 146        EF10_STAT_port_rx_broadcast,
 147        EF10_STAT_port_rx_lt64,
 148        EF10_STAT_port_rx_64,
 149        EF10_STAT_port_rx_65_to_127,
 150        EF10_STAT_port_rx_128_to_255,
 151        EF10_STAT_port_rx_256_to_511,
 152        EF10_STAT_port_rx_512_to_1023,
 153        EF10_STAT_port_rx_1024_to_15xx,
 154        EF10_STAT_port_rx_15xx_to_jumbo,
 155        EF10_STAT_port_rx_gtjumbo,
 156        EF10_STAT_port_rx_bad_gtjumbo,
 157        EF10_STAT_port_rx_overflow,
 158        EF10_STAT_port_rx_align_error,
 159        EF10_STAT_port_rx_length_error,
 160        EF10_STAT_port_rx_nodesc_drops,
 161        EF10_STAT_port_rx_pm_trunc_bb_overflow,
 162        EF10_STAT_port_rx_pm_discard_bb_overflow,
 163        EF10_STAT_port_rx_pm_trunc_vfifo_full,
 164        EF10_STAT_port_rx_pm_discard_vfifo_full,
 165        EF10_STAT_port_rx_pm_trunc_qbb,
 166        EF10_STAT_port_rx_pm_discard_qbb,
 167        EF10_STAT_port_rx_pm_discard_mapping,
 168        EF10_STAT_port_rx_dp_q_disabled_packets,
 169        EF10_STAT_port_rx_dp_di_dropped_packets,
 170        EF10_STAT_port_rx_dp_streaming_packets,
 171        EF10_STAT_port_rx_dp_hlb_fetch,
 172        EF10_STAT_port_rx_dp_hlb_wait,
 173        EF10_STAT_rx_unicast,
 174        EF10_STAT_rx_unicast_bytes,
 175        EF10_STAT_rx_multicast,
 176        EF10_STAT_rx_multicast_bytes,
 177        EF10_STAT_rx_broadcast,
 178        EF10_STAT_rx_broadcast_bytes,
 179        EF10_STAT_rx_bad,
 180        EF10_STAT_rx_bad_bytes,
 181        EF10_STAT_rx_overflow,
 182        EF10_STAT_tx_unicast,
 183        EF10_STAT_tx_unicast_bytes,
 184        EF10_STAT_tx_multicast,
 185        EF10_STAT_tx_multicast_bytes,
 186        EF10_STAT_tx_broadcast,
 187        EF10_STAT_tx_broadcast_bytes,
 188        EF10_STAT_tx_bad,
 189        EF10_STAT_tx_bad_bytes,
 190        EF10_STAT_tx_overflow,
 191        EF10_STAT_V1_COUNT,
 192        EF10_STAT_fec_uncorrected_errors = EF10_STAT_V1_COUNT,
 193        EF10_STAT_fec_corrected_errors,
 194        EF10_STAT_fec_corrected_symbols_lane0,
 195        EF10_STAT_fec_corrected_symbols_lane1,
 196        EF10_STAT_fec_corrected_symbols_lane2,
 197        EF10_STAT_fec_corrected_symbols_lane3,
 198        EF10_STAT_ctpio_vi_busy_fallback,
 199        EF10_STAT_ctpio_long_write_success,
 200        EF10_STAT_ctpio_missing_dbell_fail,
 201        EF10_STAT_ctpio_overflow_fail,
 202        EF10_STAT_ctpio_underflow_fail,
 203        EF10_STAT_ctpio_timeout_fail,
 204        EF10_STAT_ctpio_noncontig_wr_fail,
 205        EF10_STAT_ctpio_frm_clobber_fail,
 206        EF10_STAT_ctpio_invalid_wr_fail,
 207        EF10_STAT_ctpio_vi_clobber_fallback,
 208        EF10_STAT_ctpio_unqualified_fallback,
 209        EF10_STAT_ctpio_runt_fallback,
 210        EF10_STAT_ctpio_success,
 211        EF10_STAT_ctpio_fallback,
 212        EF10_STAT_ctpio_poison,
 213        EF10_STAT_ctpio_erase,
 214        EF10_STAT_COUNT
 215};
 216
 217/* Maximum number of TX PIO buffers we may allocate to a function.
 218 * This matches the total number of buffers on each SFC9100-family
 219 * controller.
 220 */
 221#define EF10_TX_PIOBUF_COUNT 16
 222
 223/**
 224 * struct efx_ef10_nic_data - EF10 architecture NIC state
 225 * @mcdi_buf: DMA buffer for MCDI
 226 * @warm_boot_count: Last seen MC warm boot count
 227 * @vi_base: Absolute index of first VI in this function
 228 * @n_allocated_vis: Number of VIs allocated to this function
 229 * @n_piobufs: Number of PIO buffers allocated to this function
 230 * @wc_membase: Base address of write-combining mapping of the memory BAR
 231 * @pio_write_base: Base address for writing PIO buffers
 232 * @pio_write_vi_base: Relative VI number for @pio_write_base
 233 * @piobuf_handle: Handle of each PIO buffer allocated
 234 * @piobuf_size: size of a single PIO buffer
 235 * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
 236 *      reboot
 237 * @mc_stats: Scratch buffer for converting statistics to the kernel's format
 238 * @stats: Hardware statistics
 239 * @workaround_35388: Flag: firmware supports workaround for bug 35388
 240 * @workaround_26807: Flag: firmware supports workaround for bug 26807
 241 * @workaround_61265: Flag: firmware supports workaround for bug 61265
 242 * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated
 243 *      after MC reboot
 244 * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
 245 *      %MC_CMD_GET_CAPABILITIES response)
 246 * @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
 247 * %MC_CMD_GET_CAPABILITIES response)
 248 * @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
 249 * @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
 250 * @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
 251 * @pf_index: The number for this PF, or the parent PF if this is a VF
 252#ifdef CONFIG_SFC_SRIOV
 253 * @vf: Pointer to VF data structure
 254#endif
 255 * @vport_mac: The MAC address on the vport, only for PFs; VFs will be zero
 256 * @vlan_list: List of VLANs added over the interface. Serialised by vlan_lock.
 257 * @vlan_lock: Lock to serialize access to vlan_list.
 258 * @udp_tunnels: UDP tunnel port numbers and types.
 259 * @udp_tunnels_dirty: flag indicating a reboot occurred while pushing
 260 *      @udp_tunnels to hardware and thus the push must be re-done.
 261 * @udp_tunnels_lock: Serialises writes to @udp_tunnels and @udp_tunnels_dirty.
 262 */
 263struct efx_ef10_nic_data {
 264        struct efx_buffer mcdi_buf;
 265        u16 warm_boot_count;
 266        unsigned int vi_base;
 267        unsigned int n_allocated_vis;
 268        unsigned int n_piobufs;
 269        void __iomem *wc_membase, *pio_write_base;
 270        unsigned int pio_write_vi_base;
 271        unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
 272        u16 piobuf_size;
 273        bool must_restore_piobufs;
 274        __le64 *mc_stats;
 275        u64 stats[EF10_STAT_COUNT];
 276        bool workaround_35388;
 277        bool workaround_26807;
 278        bool workaround_61265;
 279        bool must_check_datapath_caps;
 280        u32 datapath_caps;
 281        u32 datapath_caps2;
 282        unsigned int rx_dpcpu_fw_id;
 283        unsigned int tx_dpcpu_fw_id;
 284        bool must_probe_vswitching;
 285        unsigned int pf_index;
 286        u8 port_id[ETH_ALEN];
 287#ifdef CONFIG_SFC_SRIOV
 288        unsigned int vf_index;
 289        struct ef10_vf *vf;
 290#endif
 291        u8 vport_mac[ETH_ALEN];
 292        struct list_head vlan_list;
 293        struct mutex vlan_lock;
 294        struct efx_udp_tunnel udp_tunnels[16];
 295        bool udp_tunnels_dirty;
 296        struct mutex udp_tunnels_lock;
 297        u64 licensed_features;
 298};
 299
 300/* TSOv2 */
 301int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
 302                         bool *data_mapped);
 303
 304int efx_init_sriov(void);
 305void efx_fini_sriov(void);
 306
 307extern const struct efx_nic_type siena_a0_nic_type;
 308extern const struct efx_nic_type efx_hunt_a0_nic_type;
 309extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
 310
 311int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
 312
 313/* Falcon/Siena queue operations */
 314int efx_farch_tx_probe(struct efx_tx_queue *tx_queue);
 315void efx_farch_tx_init(struct efx_tx_queue *tx_queue);
 316void efx_farch_tx_fini(struct efx_tx_queue *tx_queue);
 317void efx_farch_tx_remove(struct efx_tx_queue *tx_queue);
 318void efx_farch_tx_write(struct efx_tx_queue *tx_queue);
 319unsigned int efx_farch_tx_limit_len(struct efx_tx_queue *tx_queue,
 320                                    dma_addr_t dma_addr, unsigned int len);
 321int efx_farch_rx_probe(struct efx_rx_queue *rx_queue);
 322void efx_farch_rx_init(struct efx_rx_queue *rx_queue);
 323void efx_farch_rx_fini(struct efx_rx_queue *rx_queue);
 324void efx_farch_rx_remove(struct efx_rx_queue *rx_queue);
 325void efx_farch_rx_write(struct efx_rx_queue *rx_queue);
 326void efx_farch_rx_defer_refill(struct efx_rx_queue *rx_queue);
 327int efx_farch_ev_probe(struct efx_channel *channel);
 328int efx_farch_ev_init(struct efx_channel *channel);
 329void efx_farch_ev_fini(struct efx_channel *channel);
 330void efx_farch_ev_remove(struct efx_channel *channel);
 331int efx_farch_ev_process(struct efx_channel *channel, int quota);
 332void efx_farch_ev_read_ack(struct efx_channel *channel);
 333void efx_farch_ev_test_generate(struct efx_channel *channel);
 334
 335/* Falcon/Siena filter operations */
 336int efx_farch_filter_table_probe(struct efx_nic *efx);
 337void efx_farch_filter_table_restore(struct efx_nic *efx);
 338void efx_farch_filter_table_remove(struct efx_nic *efx);
 339void efx_farch_filter_update_rx_scatter(struct efx_nic *efx);
 340s32 efx_farch_filter_insert(struct efx_nic *efx, struct efx_filter_spec *spec,
 341                            bool replace);
 342int efx_farch_filter_remove_safe(struct efx_nic *efx,
 343                                 enum efx_filter_priority priority,
 344                                 u32 filter_id);
 345int efx_farch_filter_get_safe(struct efx_nic *efx,
 346                              enum efx_filter_priority priority, u32 filter_id,
 347                              struct efx_filter_spec *);
 348int efx_farch_filter_clear_rx(struct efx_nic *efx,
 349                              enum efx_filter_priority priority);
 350u32 efx_farch_filter_count_rx_used(struct efx_nic *efx,
 351                                   enum efx_filter_priority priority);
 352u32 efx_farch_filter_get_rx_id_limit(struct efx_nic *efx);
 353s32 efx_farch_filter_get_rx_ids(struct efx_nic *efx,
 354                                enum efx_filter_priority priority, u32 *buf,
 355                                u32 size);
 356#ifdef CONFIG_RFS_ACCEL
 357bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id,
 358                                     unsigned int index);
 359#endif
 360void efx_farch_filter_sync_rx_mode(struct efx_nic *efx);
 361
 362/* Falcon/Siena interrupts */
 363void efx_farch_irq_enable_master(struct efx_nic *efx);
 364int efx_farch_irq_test_generate(struct efx_nic *efx);
 365void efx_farch_irq_disable_master(struct efx_nic *efx);
 366irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id);
 367irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id);
 368irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx);
 369
 370/* Global Resources */
 371void siena_prepare_flush(struct efx_nic *efx);
 372int efx_farch_fini_dmaq(struct efx_nic *efx);
 373void efx_farch_finish_flr(struct efx_nic *efx);
 374void siena_finish_flush(struct efx_nic *efx);
 375void falcon_start_nic_stats(struct efx_nic *efx);
 376void falcon_stop_nic_stats(struct efx_nic *efx);
 377int falcon_reset_xaui(struct efx_nic *efx);
 378void efx_farch_dimension_resources(struct efx_nic *efx, unsigned sram_lim_qw);
 379void efx_farch_init_common(struct efx_nic *efx);
 380void efx_farch_rx_push_indir_table(struct efx_nic *efx);
 381void efx_farch_rx_pull_indir_table(struct efx_nic *efx);
 382
 383/* Tests */
 384struct efx_farch_register_test {
 385        unsigned address;
 386        efx_oword_t mask;
 387};
 388
 389int efx_farch_test_registers(struct efx_nic *efx,
 390                             const struct efx_farch_register_test *regs,
 391                             size_t n_regs);
 392
 393void efx_farch_generate_event(struct efx_nic *efx, unsigned int evq,
 394                              efx_qword_t *event);
 395
 396#endif /* EFX_NIC_H */
 397