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
  14 enum {
  15         PHY_TYPE_NONE = 0,
  16         PHY_TYPE_TXC43128 = 1,
  17         PHY_TYPE_88E1111 = 2,
  18         PHY_TYPE_SFX7101 = 3,
  19         PHY_TYPE_QT2022C2 = 4,
  20         PHY_TYPE_PM8358 = 6,
  21         PHY_TYPE_SFT9001A = 8,
  22         PHY_TYPE_QT2025C = 9,
  23         PHY_TYPE_SFT9001B = 10,
  24 };
  25
  26 enum {
  27         EF10_STAT_port_tx_bytes = GENERIC_STAT_COUNT,
  28         EF10_STAT_port_tx_packets,
  29         EF10_STAT_port_tx_pause,
  30         EF10_STAT_port_tx_control,
  31         EF10_STAT_port_tx_unicast,
  32         EF10_STAT_port_tx_multicast,
  33         EF10_STAT_port_tx_broadcast,
  34         EF10_STAT_port_tx_lt64,
  35         EF10_STAT_port_tx_64,
  36         EF10_STAT_port_tx_65_to_127,
  37         EF10_STAT_port_tx_128_to_255,
  38         EF10_STAT_port_tx_256_to_511,
  39         EF10_STAT_port_tx_512_to_1023,
  40         EF10_STAT_port_tx_1024_to_15xx,
  41         EF10_STAT_port_tx_15xx_to_jumbo,
  42         EF10_STAT_port_rx_bytes,
  43         EF10_STAT_port_rx_bytes_minus_good_bytes,
  44         EF10_STAT_port_rx_good_bytes,
  45         EF10_STAT_port_rx_bad_bytes,
  46         EF10_STAT_port_rx_packets,
  47         EF10_STAT_port_rx_good,
  48         EF10_STAT_port_rx_bad,
  49         EF10_STAT_port_rx_pause,
  50         EF10_STAT_port_rx_control,
  51         EF10_STAT_port_rx_unicast,
  52         EF10_STAT_port_rx_multicast,
  53         EF10_STAT_port_rx_broadcast,
  54         EF10_STAT_port_rx_lt64,
  55         EF10_STAT_port_rx_64,
  56         EF10_STAT_port_rx_65_to_127,
  57         EF10_STAT_port_rx_128_to_255,
  58         EF10_STAT_port_rx_256_to_511,
  59         EF10_STAT_port_rx_512_to_1023,
  60         EF10_STAT_port_rx_1024_to_15xx,
  61         EF10_STAT_port_rx_15xx_to_jumbo,
  62         EF10_STAT_port_rx_gtjumbo,
  63         EF10_STAT_port_rx_bad_gtjumbo,
  64         EF10_STAT_port_rx_overflow,
  65         EF10_STAT_port_rx_align_error,
  66         EF10_STAT_port_rx_length_error,
  67         EF10_STAT_port_rx_nodesc_drops,
  68         EF10_STAT_port_rx_pm_trunc_bb_overflow,
  69         EF10_STAT_port_rx_pm_discard_bb_overflow,
  70         EF10_STAT_port_rx_pm_trunc_vfifo_full,
  71         EF10_STAT_port_rx_pm_discard_vfifo_full,
  72         EF10_STAT_port_rx_pm_trunc_qbb,
  73         EF10_STAT_port_rx_pm_discard_qbb,
  74         EF10_STAT_port_rx_pm_discard_mapping,
  75         EF10_STAT_port_rx_dp_q_disabled_packets,
  76         EF10_STAT_port_rx_dp_di_dropped_packets,
  77         EF10_STAT_port_rx_dp_streaming_packets,
  78         EF10_STAT_port_rx_dp_hlb_fetch,
  79         EF10_STAT_port_rx_dp_hlb_wait,
  80         EF10_STAT_rx_unicast,
  81         EF10_STAT_rx_unicast_bytes,
  82         EF10_STAT_rx_multicast,
  83         EF10_STAT_rx_multicast_bytes,
  84         EF10_STAT_rx_broadcast,
  85         EF10_STAT_rx_broadcast_bytes,
  86         EF10_STAT_rx_bad,
  87         EF10_STAT_rx_bad_bytes,
  88         EF10_STAT_rx_overflow,
  89         EF10_STAT_tx_unicast,
  90         EF10_STAT_tx_unicast_bytes,
  91         EF10_STAT_tx_multicast,
  92         EF10_STAT_tx_multicast_bytes,
  93         EF10_STAT_tx_broadcast,
  94         EF10_STAT_tx_broadcast_bytes,
  95         EF10_STAT_tx_bad,
  96         EF10_STAT_tx_bad_bytes,
  97         EF10_STAT_tx_overflow,
  98         EF10_STAT_V1_COUNT,
  99         EF10_STAT_fec_uncorrected_errors = EF10_STAT_V1_COUNT,
 100         EF10_STAT_fec_corrected_errors,
 101         EF10_STAT_fec_corrected_symbols_lane0,
 102         EF10_STAT_fec_corrected_symbols_lane1,
 103         EF10_STAT_fec_corrected_symbols_lane2,
 104         EF10_STAT_fec_corrected_symbols_lane3,
 105         EF10_STAT_ctpio_vi_busy_fallback,
 106         EF10_STAT_ctpio_long_write_success,
 107         EF10_STAT_ctpio_missing_dbell_fail,
 108         EF10_STAT_ctpio_overflow_fail,
 109         EF10_STAT_ctpio_underflow_fail,
 110         EF10_STAT_ctpio_timeout_fail,
 111         EF10_STAT_ctpio_noncontig_wr_fail,
 112         EF10_STAT_ctpio_frm_clobber_fail,
 113         EF10_STAT_ctpio_invalid_wr_fail,
 114         EF10_STAT_ctpio_vi_clobber_fallback,
 115         EF10_STAT_ctpio_unqualified_fallback,
 116         EF10_STAT_ctpio_runt_fallback,
 117         EF10_STAT_ctpio_success,
 118         EF10_STAT_ctpio_fallback,
 119         EF10_STAT_ctpio_poison,
 120         EF10_STAT_ctpio_erase,
 121         EF10_STAT_COUNT
 122 };
 123
 124 /* Maximum number of TX PIO buffers we may allocate to a function.
 125  * This matches the total number of buffers on each SFC9100-family
 126  * controller.
 127  */
 128 #define EF10_TX_PIOBUF_COUNT 16
 129
 130 /**
 131  * struct efx_ef10_nic_data - EF10 architecture NIC state
 132  * @mcdi_buf: DMA buffer for MCDI
 133  * @warm_boot_count: Last seen MC warm boot count
 134  * @vi_base: Absolute index of first VI in this function
 135  * @n_allocated_vis: Number of VIs allocated to this function
 136  * @n_piobufs: Number of PIO buffers allocated to this function
 137  * @wc_membase: Base address of write-combining mapping of the memory BAR
 138  * @pio_write_base: Base address for writing PIO buffers
 139  * @pio_write_vi_base: Relative VI number for @pio_write_base
 140  * @piobuf_handle: Handle of each PIO buffer allocated
 141  * @piobuf_size: size of a single PIO buffer
 142  * @must_restore_piobufs: Flag: PIO buffers have yet to be restored after MC
 143  *      reboot
 144  * @mc_stats: Scratch buffer for converting statistics to the kernel's format
 145  * @stats: Hardware statistics
 146  * @workaround_35388: Flag: firmware supports workaround for bug 35388
 147  * @workaround_26807: Flag: firmware supports workaround for bug 26807
 148  * @workaround_61265: Flag: firmware supports workaround for bug 61265
 149  * @must_check_datapath_caps: Flag: @datapath_caps needs to be revalidated
 150  *      after MC reboot
 151  * @datapath_caps: Capabilities of datapath firmware (FLAGS1 field of
 152  *      %MC_CMD_GET_CAPABILITIES response)
 153  * @datapath_caps2: Further Capabilities of datapath firmware (FLAGS2 field of
 154  * %MC_CMD_GET_CAPABILITIES response)
 155  * @rx_dpcpu_fw_id: Firmware ID of the RxDPCPU
 156  * @tx_dpcpu_fw_id: Firmware ID of the TxDPCPU
 157  * @must_probe_vswitching: Flag: vswitching has yet to be setup after MC reboot
 158  * @pf_index: The number for this PF, or the parent PF if this is a VF
 159 #ifdef CONFIG_SFC_SRIOV
 160  * @vf: Pointer to VF data structure
 161 #endif
 162  * @vport_mac: The MAC address on the vport, only for PFs; VFs will be zero
 163  * @vlan_list: List of VLANs added over the interface. Serialised by vlan_lock.
 164  * @vlan_lock: Lock to serialize access to vlan_list.
 165  * @udp_tunnels: UDP tunnel port numbers and types.
 166  * @udp_tunnels_dirty: flag indicating a reboot occurred while pushing
 167  *      @udp_tunnels to hardware and thus the push must be re-done.
 168  * @udp_tunnels_lock: Serialises writes to @udp_tunnels and @udp_tunnels_dirty.
 169  */
 170 struct efx_ef10_nic_data {
 171         struct efx_buffer mcdi_buf;
 172         u16 warm_boot_count;
 173         unsigned int vi_base;
 174         unsigned int n_allocated_vis;
 175         unsigned int n_piobufs;
 176         void __iomem *wc_membase, *pio_write_base;
 177         unsigned int pio_write_vi_base;
 178         unsigned int piobuf_handle[EF10_TX_PIOBUF_COUNT];
 179         u16 piobuf_size;
 180         bool must_restore_piobufs;
 181         __le64 *mc_stats;
 182         u64 stats[EF10_STAT_COUNT];
 183         bool workaround_35388;
 184         bool workaround_26807;
 185         bool workaround_61265;
 186         bool must_check_datapath_caps;
 187         u32 datapath_caps;
 188         u32 datapath_caps2;
 189         unsigned int rx_dpcpu_fw_id;
 190         unsigned int tx_dpcpu_fw_id;
 191         bool must_probe_vswitching;
 192         unsigned int pf_index;
 193         u8 port_id[ETH_ALEN];
 194 #ifdef CONFIG_SFC_SRIOV
 195         unsigned int vf_index;
 196         struct ef10_vf *vf;
 197 #endif
 198         u8 vport_mac[ETH_ALEN];
 199         struct list_head vlan_list;
 200         struct mutex vlan_lock;
 201         struct efx_udp_tunnel udp_tunnels[16];
 202         bool udp_tunnels_dirty;
 203         struct mutex udp_tunnels_lock;
 204         u64 licensed_features;
 205 };
 206
 207 /* TSOv2 */
 208 int efx_ef10_tx_tso_desc(struct efx_tx_queue *tx_queue, struct sk_buff *skb,
 209                          bool *data_mapped);
 210
 211 extern const struct efx_nic_type efx_hunt_a0_nic_type;
 212 extern const struct efx_nic_type efx_hunt_a0_vf_nic_type;
 213
 214 extern const struct efx_nic_type efx_x4_nic_type;
 215
 216 #endif /* EFX_NIC_H */