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