drivers/net/ethernet/netronome/nfp/nfp_port.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
   2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
   3
   4 #ifndef _NFP_PORT_H_
   5 #define _NFP_PORT_H_
   6
   7 #include <net/devlink.h>
   8
   9 struct net_device;
  10 struct netdev_phys_item_id;
  11 struct nfp_app;
  12 struct nfp_pf;
  13 struct nfp_port;
  14
  15 /**
  16  * enum nfp_port_type - type of port NFP can switch traffic to
  17  * @NFP_PORT_INVALID:   port is invalid, %NFP_PORT_PHYS_PORT transitions to this
  18  *                      state when port disappears because of FW fault or config
  19  *                      change
  20  * @NFP_PORT_PHYS_PORT: external NIC port
  21  * @NFP_PORT_PF_PORT:   logical port of PCI PF
  22  * @NFP_PORT_VF_PORT:   logical port of PCI VF
  23  */
  24 enum nfp_port_type {
  25         NFP_PORT_INVALID,
  26         NFP_PORT_PHYS_PORT,
  27         NFP_PORT_PF_PORT,
  28         NFP_PORT_VF_PORT,
  29 };
  30
  31 /**
  32  * enum nfp_port_flags - port flags (can be type-specific)
  33  * @NFP_PORT_CHANGED:   port state has changed since last eth table refresh;
  34  *                      for NFP_PORT_PHYS_PORT, never set otherwise; must hold
  35  *                      rtnl_lock to clear
  36  */
  37 enum nfp_port_flags {
  38         NFP_PORT_CHANGED = 0,
  39 };
  40
  41 enum {
  42         NFP_SPEED_1G,
  43         NFP_SPEED_10G,
  44         NFP_SPEED_25G,
  45         NFP_SPEED_40G,
  46         NFP_SPEED_50G,
  47         NFP_SPEED_100G,
  48         NFP_SUP_SPEED_NUMBER
  49 };
  50
  51 /**
  52  * struct nfp_port - structure representing NFP port
  53  * @netdev:     backpointer to associated netdev
  54  * @type:       what port type does the entity represent
  55  * @flags:      port flags
  56  * @tc_offload_cnt:     number of active TC offloads, how offloads are counted
  57  *                      is not defined, use as a boolean
  58  * @app:        backpointer to the app structure
  59  * @link_cb:    callback when link status changed
  60  * @dl_port:    devlink port structure
  61  * @eth_id:     for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
  62  * @eth_forced: for %NFP_PORT_PHYS_PORT port is forced UP or DOWN, don't change
  63  * @eth_port:   for %NFP_PORT_PHYS_PORT translated ETH Table port entry
  64  * @eth_stats:  for %NFP_PORT_PHYS_PORT MAC stats if available
  65  * @speed_bitmap:       for %NFP_PORT_PHYS_PORT supported speed bitmap
  66  * @pf_id:      for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3)
  67  * @vf_id:      for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id
  68  * @pf_split:   for %NFP_PORT_PF_PORT %true if PCI PF has more than one vNIC
  69  * @pf_split_id:for %NFP_PORT_PF_PORT ID of PCI PF vNIC (valid if @pf_split)
  70  * @vnic:       for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory
  71  * @port_list:  entry on pf's list of ports
  72  */
  73 struct nfp_port {
  74         struct net_device *netdev;
  75         enum nfp_port_type type;
  76
  77         unsigned long flags;
  78         unsigned long tc_offload_cnt;
  79
  80         struct nfp_app *app;
  81         void (*link_cb)(struct nfp_port *port);
  82
  83         struct devlink_port dl_port;
  84
  85         union {
  86                 /* NFP_PORT_PHYS_PORT */
  87                 struct {
  88                         unsigned int eth_id;
  89                         bool eth_forced;
  90                         struct nfp_eth_table_port *eth_port;
  91                         u8 __iomem *eth_stats;
  92                         DECLARE_BITMAP(speed_bitmap, NFP_SUP_SPEED_NUMBER);
  93                 };
  94                 /* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */
  95                 struct {
  96                         unsigned int pf_id;
  97                         unsigned int vf_id;
  98                         bool pf_split;
  99                         unsigned int pf_split_id;
 100                         u8 __iomem *vnic;
 101                 };
 102         };
 103
 104         struct list_head port_list;
 105 };
 106
 107 extern const struct ethtool_ops nfp_port_ethtool_ops;
 108
 109 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type,
 110                       void *type_data);
 111
 112 static inline bool nfp_port_is_vnic(const struct nfp_port *port)
 113 {
 114         return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT;
 115 }
 116
 117 int
 118 nfp_port_set_features(struct net_device *netdev, netdev_features_t features);
 119
 120 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
 121 int nfp_port_get_port_parent_id(struct net_device *netdev,
 122                                 struct netdev_phys_item_id *ppid);
 123 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
 124 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
 125
 126 int
 127 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
 128 int nfp_port_configure(struct net_device *netdev, bool configed);
 129
 130 struct nfp_port *
 131 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
 132                struct net_device *netdev);
 133 void nfp_port_free(struct nfp_port *port);
 134
 135 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
 136                            struct nfp_port *port, unsigned int id);
 137
 138 int nfp_net_refresh_eth_port(struct nfp_port *port);
 139 void nfp_net_refresh_port_table(struct nfp_port *port);
 140 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
 141
 142 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
 143 void nfp_devlink_port_unregister(struct nfp_port *port);
 144
 145 /* Mac stats (0x0000 - 0x0200)
 146  * all counters are 64bit.
 147  */
 148 #define NFP_MAC_STATS_BASE                0x0000
 149 #define NFP_MAC_STATS_SIZE                0x0200
 150
 151 #define NFP_MAC_STATS_RX_IN_OCTETS                      (NFP_MAC_STATS_BASE + 0x000)
 152                                                         /* unused 0x008 */
 153 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS          (NFP_MAC_STATS_BASE + 0x010)
 154 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS            (NFP_MAC_STATS_BASE + 0x018)
 155 #define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK               (NFP_MAC_STATS_BASE + 0x020)
 156 #define NFP_MAC_STATS_RX_IN_ERRORS                      (NFP_MAC_STATS_BASE + 0x028)
 157 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS              (NFP_MAC_STATS_BASE + 0x030)
 158 #define NFP_MAC_STATS_RX_DROP_EVENTS                    (NFP_MAC_STATS_BASE + 0x038)
 159 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS               (NFP_MAC_STATS_BASE + 0x040)
 160 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES          (NFP_MAC_STATS_BASE + 0x048)
 161 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK             (NFP_MAC_STATS_BASE + 0x050)
 162 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS    (NFP_MAC_STATS_BASE + 0x058)
 163 #define NFP_MAC_STATS_RX_UNICAST_PKTS                   (NFP_MAC_STATS_BASE + 0x060)
 164 #define NFP_MAC_STATS_RX_MULTICAST_PKTS                 (NFP_MAC_STATS_BASE + 0x068)
 165 #define NFP_MAC_STATS_RX_PKTS                           (NFP_MAC_STATS_BASE + 0x070)
 166 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS                 (NFP_MAC_STATS_BASE + 0x078)
 167 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS                 (NFP_MAC_STATS_BASE + 0x080)
 168 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS          (NFP_MAC_STATS_BASE + 0x088)
 169 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS        (NFP_MAC_STATS_BASE + 0x090)
 170 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS       (NFP_MAC_STATS_BASE + 0x098)
 171 #define NFP_MAC_STATS_RX_JABBERS                        (NFP_MAC_STATS_BASE + 0x0a0)
 172 #define NFP_MAC_STATS_RX_FRAGMENTS                      (NFP_MAC_STATS_BASE + 0x0a8)
 173 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2            (NFP_MAC_STATS_BASE + 0x0b0)
 174 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3            (NFP_MAC_STATS_BASE + 0x0b8)
 175 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS         (NFP_MAC_STATS_BASE + 0x0c0)
 176 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS         (NFP_MAC_STATS_BASE + 0x0c8)
 177 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS        (NFP_MAC_STATS_BASE + 0x0d0)
 178 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS                  (NFP_MAC_STATS_BASE + 0x0d8)
 179 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0            (NFP_MAC_STATS_BASE + 0x0e0)
 180 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1            (NFP_MAC_STATS_BASE + 0x0e8)
 181 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4            (NFP_MAC_STATS_BASE + 0x0f0)
 182 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5            (NFP_MAC_STATS_BASE + 0x0f8)
 183 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6            (NFP_MAC_STATS_BASE + 0x100)
 184 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7            (NFP_MAC_STATS_BASE + 0x108)
 185 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED       (NFP_MAC_STATS_BASE + 0x110)
 186 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP                  (NFP_MAC_STATS_BASE + 0x118)
 187                                                         /* unused 0x120 */
 188                                                         /* unused 0x128 */
 189                                                         /* unused 0x130 */
 190 #define NFP_MAC_STATS_TX_QUEUE_DROP                     (NFP_MAC_STATS_BASE + 0x138)
 191 #define NFP_MAC_STATS_TX_OUT_OCTETS                     (NFP_MAC_STATS_BASE + 0x140)
 192                                                         /* unused 0x148 */
 193 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK            (NFP_MAC_STATS_BASE + 0x150)
 194 #define NFP_MAC_STATS_TX_OUT_ERRORS                     (NFP_MAC_STATS_BASE + 0x158)
 195 #define NFP_MAC_STATS_TX_BROADCAST_PKTS                 (NFP_MAC_STATS_BASE + 0x160)
 196 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS                 (NFP_MAC_STATS_BASE + 0x168)
 197 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS         (NFP_MAC_STATS_BASE + 0x170)
 198 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS        (NFP_MAC_STATS_BASE + 0x178)
 199 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES          (NFP_MAC_STATS_BASE + 0x180)
 200 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK          (NFP_MAC_STATS_BASE + 0x188)
 201 #define NFP_MAC_STATS_TX_UNICAST_PKTS                   (NFP_MAC_STATS_BASE + 0x190)
 202 #define NFP_MAC_STATS_TX_MULTICAST_PKTS                 (NFP_MAC_STATS_BASE + 0x198)
 203 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS          (NFP_MAC_STATS_BASE + 0x1a0)
 204 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS         (NFP_MAC_STATS_BASE + 0x1a8)
 205 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS       (NFP_MAC_STATS_BASE + 0x1b0)
 206 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS        (NFP_MAC_STATS_BASE + 0x1b8)
 207 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0            (NFP_MAC_STATS_BASE + 0x1c0)
 208 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1            (NFP_MAC_STATS_BASE + 0x1c8)
 209 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4            (NFP_MAC_STATS_BASE + 0x1d0)
 210 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5            (NFP_MAC_STATS_BASE + 0x1d8)
 211 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2            (NFP_MAC_STATS_BASE + 0x1e0)
 212 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3            (NFP_MAC_STATS_BASE + 0x1e8)
 213 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6            (NFP_MAC_STATS_BASE + 0x1f0)
 214 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7            (NFP_MAC_STATS_BASE + 0x1f8)
 215
 216 #endif