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 /** 42 * struct nfp_port - structure representing NFP port 43 * @netdev: backpointer to associated netdev 44 * @type: what port type does the entity represent 45 * @flags: port flags 46 * @tc_offload_cnt: number of active TC offloads, how offloads are counted 47 * is not defined, use as a boolean 48 * @app: backpointer to the app structure 49 * @link_cb: callback when link status changed 50 * @dl_port: devlink port structure 51 * @eth_id: for %NFP_PORT_PHYS_PORT port ID in NFP enumeration scheme 52 * @eth_forced: for %NFP_PORT_PHYS_PORT port is forced UP or DOWN, don't change 53 * @eth_port: for %NFP_PORT_PHYS_PORT translated ETH Table port entry 54 * @eth_stats: for %NFP_PORT_PHYS_PORT MAC stats if available 55 * @pf_id: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT ID of the PCI PF (0-3) 56 * @vf_id: for %NFP_PORT_VF_PORT ID of the PCI VF within @pf_id 57 * @pf_split: for %NFP_PORT_PF_PORT %true if PCI PF has more than one vNIC 58 * @pf_split_id:for %NFP_PORT_PF_PORT ID of PCI PF vNIC (valid if @pf_split) 59 * @vnic: for %NFP_PORT_PF_PORT, %NFP_PORT_VF_PORT vNIC ctrl memory 60 * @port_list: entry on pf's list of ports 61 */ 62 struct nfp_port { 63 struct net_device *netdev; 64 enum nfp_port_type type; 65 66 unsigned long flags; 67 unsigned long tc_offload_cnt; 68 69 struct nfp_app *app; 70 void (*link_cb)(struct nfp_port *port); 71 72 struct devlink_port dl_port; 73 74 union { 75 /* NFP_PORT_PHYS_PORT */ 76 struct { 77 unsigned int eth_id; 78 bool eth_forced; 79 struct nfp_eth_table_port *eth_port; 80 u8 __iomem *eth_stats; 81 }; 82 /* NFP_PORT_PF_PORT, NFP_PORT_VF_PORT */ 83 struct { 84 unsigned int pf_id; 85 unsigned int vf_id; 86 bool pf_split; 87 unsigned int pf_split_id; 88 u8 __iomem *vnic; 89 }; 90 }; 91 92 struct list_head port_list; 93 }; 94 95 extern const struct ethtool_ops nfp_port_ethtool_ops; 96 97 int nfp_port_setup_tc(struct net_device *netdev, enum tc_setup_type type, 98 void *type_data); 99 100 static inline bool nfp_port_is_vnic(const struct nfp_port *port) 101 { 102 return port->type == NFP_PORT_PF_PORT || port->type == NFP_PORT_VF_PORT; 103 } 104 105 int 106 nfp_port_set_features(struct net_device *netdev, netdev_features_t features); 107 108 struct nfp_port *nfp_port_from_netdev(struct net_device *netdev); 109 int nfp_port_get_port_parent_id(struct net_device *netdev, 110 struct netdev_phys_item_id *ppid); 111 struct nfp_eth_table_port *__nfp_port_get_eth_port(struct nfp_port *port); 112 struct nfp_eth_table_port *nfp_port_get_eth_port(struct nfp_port *port); 113 114 int 115 nfp_port_get_phys_port_name(struct net_device *netdev, char *name, size_t len); 116 int nfp_port_configure(struct net_device *netdev, bool configed); 117 118 struct nfp_port * 119 nfp_port_alloc(struct nfp_app *app, enum nfp_port_type type, 120 struct net_device *netdev); 121 void nfp_port_free(struct nfp_port *port); 122 123 int nfp_port_init_phy_port(struct nfp_pf *pf, struct nfp_app *app, 124 struct nfp_port *port, unsigned int id); 125 126 int nfp_net_refresh_eth_port(struct nfp_port *port); 127 void nfp_net_refresh_port_table(struct nfp_port *port); 128 int nfp_net_refresh_port_table_sync(struct nfp_pf *pf); 129 130 int nfp_devlink_port_register(struct nfp_app *app, struct nfp_port *port); 131 void nfp_devlink_port_unregister(struct nfp_port *port); 132 void nfp_devlink_port_type_eth_set(struct nfp_port *port); 133 void nfp_devlink_port_type_clear(struct nfp_port *port); 134 135 /* Mac stats (0x0000 - 0x0200) 136 * all counters are 64bit. 137 */ 138 #define NFP_MAC_STATS_BASE 0x0000 139 #define NFP_MAC_STATS_SIZE 0x0200 140 141 #define NFP_MAC_STATS_RX_IN_OCTETS (NFP_MAC_STATS_BASE + 0x000) 142 /* unused 0x008 */ 143 #define NFP_MAC_STATS_RX_FRAME_TOO_LONG_ERRORS (NFP_MAC_STATS_BASE + 0x010) 144 #define NFP_MAC_STATS_RX_RANGE_LENGTH_ERRORS (NFP_MAC_STATS_BASE + 0x018) 145 #define NFP_MAC_STATS_RX_VLAN_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x020) 146 #define NFP_MAC_STATS_RX_IN_ERRORS (NFP_MAC_STATS_BASE + 0x028) 147 #define NFP_MAC_STATS_RX_IN_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x030) 148 #define NFP_MAC_STATS_RX_DROP_EVENTS (NFP_MAC_STATS_BASE + 0x038) 149 #define NFP_MAC_STATS_RX_ALIGNMENT_ERRORS (NFP_MAC_STATS_BASE + 0x040) 150 #define NFP_MAC_STATS_RX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x048) 151 #define NFP_MAC_STATS_RX_FRAMES_RECEIVED_OK (NFP_MAC_STATS_BASE + 0x050) 152 #define NFP_MAC_STATS_RX_FRAME_CHECK_SEQUENCE_ERRORS (NFP_MAC_STATS_BASE + 0x058) 153 #define NFP_MAC_STATS_RX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x060) 154 #define NFP_MAC_STATS_RX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x068) 155 #define NFP_MAC_STATS_RX_PKTS (NFP_MAC_STATS_BASE + 0x070) 156 #define NFP_MAC_STATS_RX_UNDERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x078) 157 #define NFP_MAC_STATS_RX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x080) 158 #define NFP_MAC_STATS_RX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x088) 159 #define NFP_MAC_STATS_RX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x090) 160 #define NFP_MAC_STATS_RX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x098) 161 #define NFP_MAC_STATS_RX_JABBERS (NFP_MAC_STATS_BASE + 0x0a0) 162 #define NFP_MAC_STATS_RX_FRAGMENTS (NFP_MAC_STATS_BASE + 0x0a8) 163 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x0b0) 164 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x0b8) 165 #define NFP_MAC_STATS_RX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x0c0) 166 #define NFP_MAC_STATS_RX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x0c8) 167 #define NFP_MAC_STATS_RX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x0d0) 168 #define NFP_MAC_STATS_RX_OVERSIZE_PKTS (NFP_MAC_STATS_BASE + 0x0d8) 169 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x0e0) 170 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x0e8) 171 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x0f0) 172 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x0f8) 173 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x100) 174 #define NFP_MAC_STATS_RX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x108) 175 #define NFP_MAC_STATS_RX_MAC_CTRL_FRAMES_RECEIVED (NFP_MAC_STATS_BASE + 0x110) 176 #define NFP_MAC_STATS_RX_MAC_HEAD_DROP (NFP_MAC_STATS_BASE + 0x118) 177 /* unused 0x120 */ 178 /* unused 0x128 */ 179 /* unused 0x130 */ 180 #define NFP_MAC_STATS_TX_QUEUE_DROP (NFP_MAC_STATS_BASE + 0x138) 181 #define NFP_MAC_STATS_TX_OUT_OCTETS (NFP_MAC_STATS_BASE + 0x140) 182 /* unused 0x148 */ 183 #define NFP_MAC_STATS_TX_VLAN_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x150) 184 #define NFP_MAC_STATS_TX_OUT_ERRORS (NFP_MAC_STATS_BASE + 0x158) 185 #define NFP_MAC_STATS_TX_BROADCAST_PKTS (NFP_MAC_STATS_BASE + 0x160) 186 #define NFP_MAC_STATS_TX_PKTS_64_OCTETS (NFP_MAC_STATS_BASE + 0x168) 187 #define NFP_MAC_STATS_TX_PKTS_256_TO_511_OCTETS (NFP_MAC_STATS_BASE + 0x170) 188 #define NFP_MAC_STATS_TX_PKTS_512_TO_1023_OCTETS (NFP_MAC_STATS_BASE + 0x178) 189 #define NFP_MAC_STATS_TX_PAUSE_MAC_CTRL_FRAMES (NFP_MAC_STATS_BASE + 0x180) 190 #define NFP_MAC_STATS_TX_FRAMES_TRANSMITTED_OK (NFP_MAC_STATS_BASE + 0x188) 191 #define NFP_MAC_STATS_TX_UNICAST_PKTS (NFP_MAC_STATS_BASE + 0x190) 192 #define NFP_MAC_STATS_TX_MULTICAST_PKTS (NFP_MAC_STATS_BASE + 0x198) 193 #define NFP_MAC_STATS_TX_PKTS_65_TO_127_OCTETS (NFP_MAC_STATS_BASE + 0x1a0) 194 #define NFP_MAC_STATS_TX_PKTS_128_TO_255_OCTETS (NFP_MAC_STATS_BASE + 0x1a8) 195 #define NFP_MAC_STATS_TX_PKTS_1024_TO_1518_OCTETS (NFP_MAC_STATS_BASE + 0x1b0) 196 #define NFP_MAC_STATS_TX_PKTS_1519_TO_MAX_OCTETS (NFP_MAC_STATS_BASE + 0x1b8) 197 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS0 (NFP_MAC_STATS_BASE + 0x1c0) 198 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS1 (NFP_MAC_STATS_BASE + 0x1c8) 199 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS4 (NFP_MAC_STATS_BASE + 0x1d0) 200 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS5 (NFP_MAC_STATS_BASE + 0x1d8) 201 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS2 (NFP_MAC_STATS_BASE + 0x1e0) 202 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS3 (NFP_MAC_STATS_BASE + 0x1e8) 203 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS6 (NFP_MAC_STATS_BASE + 0x1f0) 204 #define NFP_MAC_STATS_TX_PAUSE_FRAMES_CLASS7 (NFP_MAC_STATS_BASE + 0x1f8) 205 206 #endif 207