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

   1 /*
   2  * Copyright (C) 2017 Netronome Systems, Inc.
   3  *
   4  * This software is dual licensed under the GNU General License Version 2,
   5  * June 1991 as shown in the file COPYING in the top-level directory of this
   6  * source tree or the BSD 2-Clause License provided below.  You have the
   7  * option to license this software under the complete terms of either license.
   8  *
   9  * The BSD 2-Clause License:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      1. Redistributions of source code must retain the above
  16  *         copyright notice, this list of conditions and the following
  17  *         disclaimer.
  18  *
  19  *      2. Redistributions in binary form must reproduce the above
  20  *         copyright notice, this list of conditions and the following
  21  *         disclaimer in the documentation and/or other materials
  22  *         provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33
  34 #ifndef _NFP_PORT_H_
  35 #define _NFP_PORT_H_
  36
  37 #include <net/devlink.h>
  38
  39 struct net_device;
  40 struct nfp_app;
  41 struct nfp_pf;
  42 struct nfp_port;
  43
  44 /**
  45  * enum nfp_port_type - type of port NFP can switch traffic to
  46  * @NFP_PORT_INVALID:   port is invalid, %NFP_PORT_PHYS_PORT transitions to this
  47  *                      state when port disappears because of FW fault or config
  48  *                      change
  49  * @NFP_PORT_PHYS_PORT: external NIC port
  50  */
  51 enum nfp_port_type {
  52         NFP_PORT_INVALID,
  53         NFP_PORT_PHYS_PORT,
  54 };
  55
  56 /**
  57  * enum nfp_port_flags - port flags (can be type-specific)
  58  * @NFP_PORT_CHANGED:   port state has changed since last eth table refresh;
  59  *                      for NFP_PORT_PHYS_PORT, never set otherwise; must hold
  60  *                      rtnl_lock to clear
  61  */
  62 enum nfp_port_flags {
  63         NFP_PORT_CHANGED = 0,
  64 };
  65
  66 /**
  67  * struct nfp_port - structure representing NFP port
  68  * @netdev:     backpointer to associated netdev
  69  * @type:       what port type does the entity represent
  70  * @flags:      port flags
  71  * @app:        backpointer to the app structure
  72  * @dl_port:    devlink port structure
  73  * @eth_id:     for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme
  74  * @eth_port:   for %NFP_PORT_PHYS_PORT translated ETH Table port entry
  75  * @port_list:  entry on pf's list of ports
  76  */
  77 struct nfp_port {
  78         struct net_device *netdev;
  79         enum nfp_port_type type;
  80
  81         unsigned long flags;
  82
  83         struct nfp_app *app;
  84
  85         struct devlink_port dl_port;
  86
  87         unsigned int eth_id;
  88         struct nfp_eth_table_port *eth_port;
  89
  90         struct list_head port_list;
  91 };
  92
  93 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev);
  94 struct nfp_port *
  95 nfp_port_from_id(struct nfp_pf *pf, enum nfp_port_type type, unsigned int id);
  96 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port);
  97 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port);
  98
  99 int
 100 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len);
 101
 102 struct nfp_port *
 103 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type,
 104                struct net_device *netdev);
 105 void nfp_port_free(struct nfp_port *port);
 106
 107 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app,
 108                            struct nfp_port *port, unsigned int id);
 109
 110 int nfp_net_refresh_eth_port(struct nfp_port *port);
 111 void nfp_net_refresh_port_table(struct nfp_port *port);
 112 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf);
 113
 114 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port);
 115 void nfp_devlink_port_unregister(struct nfp_port *port);
 116
 117 /**
 118  * Mac stats (0x0000 - 0x0200)
 119  * all counters are 64bit.
 120  */
 121 #define NFP_MAC_STATS_BASE                0x0000
 122 #define NFP_MAC_STATS_SIZE                0x0200
 123
 124 #define NFP_MAC_STATS_RX_IN_OCTETS                      (NFP_MAC_STATS_BASE + 0x000)
 125 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS          (NFP_MAC_STATS_BASE + 0x010)
 126 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS            (NFP_MAC_STATS_BASE + 0x018)
 127 #define NFP_MAC_STATS_RX_VLAN_REVEIVE_OK                (NFP_MAC_STATS_BASE + 0x020)
 128 #define NFP_MAC_STATS_RX_IN_ERRORS                      (NFP_MAC_STATS_BASE + 0x028)
 129 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS              (NFP_MAC_STATS_BASE + 0x030)
 130 #define NFP_MAC_STATS_RX_STATS_DROP_EVENTS              (NFP_MAC_STATS_BASE + 0x038)
 131 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS               (NFP_MAC_STATS_BASE + 0x040)
 132 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES          (NFP_MAC_STATS_BASE + 0x048)
 133 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK             (NFP_MAC_STATS_BASE + 0x050)
 134 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS    (NFP_MAC_STATS_BASE + 0x058)
 135 #define NFP_MAC_STATS_RX_UNICAST_PKTS                   (NFP_MAC_STATS_BASE + 0x060)
 136 #define NFP_MAC_STATS_RX_MULTICAST_PKTS                 (NFP_MAC_STATS_BASE + 0x068)
 137 #define NFP_MAC_STATS_RX_STATS_PKTS                     (NFP_MAC_STATS_BASE + 0x070)
 138 #define NFP_MAC_STATS_RX_STATS_UNDERSIZE_PKTS           (NFP_MAC_STATS_BASE + 0x078)
 139 #define NFP_MAC_STATS_RX_STATS_PKTS_64_OCTETS           (NFP_MAC_STATS_BASE + 0x080)
 140 #define NFP_MAC_STATS_RX_STATS_PKTS_65_TO_127_OCTETS    (NFP_MAC_STATS_BASE + 0x088)
 141 #define NFP_MAC_STATS_RX_STATS_PKTS_512_TO_1023_OCTETS  (NFP_MAC_STATS_BASE + 0x090)
 142 #define NFP_MAC_STATS_RX_STATS_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098)
 143 #define NFP_MAC_STATS_RX_STATS_JABBERS                  (NFP_MAC_STATS_BASE + 0x0a0)
 144 #define NFP_MAC_STATS_RX_STATS_FRAGMENTS                (NFP_MAC_STATS_BASE + 0x0a8)
 145 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2            (NFP_MAC_STATS_BASE + 0x0b0)
 146 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3            (NFP_MAC_STATS_BASE + 0x0b8)
 147 #define NFP_MAC_STATS_RX_STATS_PKTS_128_TO_255_OCTETS   (NFP_MAC_STATS_BASE + 0x0c0)
 148 #define NFP_MAC_STATS_RX_STATS_PKTS_256_TO_511_OCTETS   (NFP_MAC_STATS_BASE + 0x0c8)
 149 #define NFP_MAC_STATS_RX_STATS_PKTS_1519_TO_MAX_OCTETS  (NFP_MAC_STATS_BASE + 0x0d0)
 150 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS                  (NFP_MAC_STATS_BASE + 0x0d8)
 151 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0            (NFP_MAC_STATS_BASE + 0x0e0)
 152 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1            (NFP_MAC_STATS_BASE + 0x0e8)
 153 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4            (NFP_MAC_STATS_BASE + 0x0f0)
 154 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5            (NFP_MAC_STATS_BASE + 0x0f8)
 155 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6            (NFP_MAC_STATS_BASE + 0x100)
 156 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7            (NFP_MAC_STATS_BASE + 0x108)
 157 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED       (NFP_MAC_STATS_BASE + 0x110)
 158 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP                  (NFP_MAC_STATS_BASE + 0x118)
 159
 160 #define NFP_MAC_STATS_TX_QUEUE_DROP                     (NFP_MAC_STATS_BASE + 0x138)
 161 #define NFP_MAC_STATS_TX_OUT_OCTETS                     (NFP_MAC_STATS_BASE + 0x140)
 162 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK            (NFP_MAC_STATS_BASE + 0x150)
 163 #define NFP_MAC_STATS_TX_OUT_ERRORS                     (NFP_MAC_STATS_BASE + 0x158)
 164 #define NFP_MAC_STATS_TX_BROADCAST_PKTS                 (NFP_MAC_STATS_BASE + 0x160)
 165 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS                 (NFP_MAC_STATS_BASE + 0x168)
 166 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS         (NFP_MAC_STATS_BASE + 0x170)
 167 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS        (NFP_MAC_STATS_BASE + 0x178)
 168 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES          (NFP_MAC_STATS_BASE + 0x180)
 169 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK          (NFP_MAC_STATS_BASE + 0x188)
 170 #define NFP_MAC_STATS_TX_UNICAST_PKTS                   (NFP_MAC_STATS_BASE + 0x190)
 171 #define NFP_MAC_STATS_TX_MULTICAST_PKTS                 (NFP_MAC_STATS_BASE + 0x198)
 172 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS          (NFP_MAC_STATS_BASE + 0x1a0)
 173 #define NFP_MAC_STATS_TX_PKTS_127_TO_512_OCTETS         (NFP_MAC_STATS_BASE + 0x1a8)
 174 #define NFP_MAC_STATS_TX_PKTS_128_TO_1518_OCTETS        (NFP_MAC_STATS_BASE + 0x1b0)
 175 #define NFP_MAC_STATS_TX_PKTS_1518_TO_MAX_OCTETS        (NFP_MAC_STATS_BASE + 0x1b8)
 176
 177 #endif