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1/* SPDX-License-Identifier: GPL-2.0-only */2/****************************************************************************3 * Driver for Solarflare network controllers and boards4 * Copyright 2019 Solarflare Communications Inc.5 * Copyright 2020-2022 Xilinx Inc.6 *7 * This program is free software; you can redistribute it and/or modify it8 * under the terms of the GNU General Public License version 2 as published9 * by the Free Software Foundation, incorporated herein by reference.10 */11 12/* Handling for ef100 representor netdevs */13#ifndef EF100_REP_H14#define EF100_REP_H15 16#include "net_driver.h"17#include "tc.h"18 19struct efx_rep_sw_stats {20 atomic64_t rx_packets, tx_packets;21 atomic64_t rx_bytes, tx_bytes;22 atomic64_t rx_dropped, tx_errors;23};24 25struct devlink_port;26 27/**28 * struct efx_rep - Private data for an Efx representor29 *30 * @parent: the efx PF which manages this representor31 * @net_dev: representor netdevice32 * @msg_enable: log message enable flags33 * @mport: m-port ID of corresponding VF34 * @idx: VF index35 * @write_index: number of packets enqueued to @rx_list36 * @read_index: number of packets consumed from @rx_list37 * @rx_pring_size: max length of RX list38 * @dflt: default-rule for MAE switching39 * @list: entry on efx->vf_reps40 * @rx_list: list of SKBs queued for receive in NAPI poll41 * @rx_lock: protects @rx_list42 * @napi: NAPI control structure43 * @stats: software traffic counters for netdev stats44 * @dl_port: devlink port associated to this netdev representor45 */46struct efx_rep {47 struct efx_nic *parent;48 struct net_device *net_dev;49 u32 msg_enable;50 u32 mport;51 unsigned int idx;52 unsigned int write_index, read_index;53 unsigned int rx_pring_size;54 struct efx_tc_flow_rule dflt;55 struct list_head list;56 struct list_head rx_list;57 spinlock_t rx_lock;58 struct napi_struct napi;59 struct efx_rep_sw_stats stats;60 struct devlink_port *dl_port;61};62 63int efx_ef100_vfrep_create(struct efx_nic *efx, unsigned int i);64void efx_ef100_vfrep_destroy(struct efx_nic *efx, struct efx_rep *efv);65void efx_ef100_fini_vfreps(struct efx_nic *efx);66 67void efx_ef100_rep_rx_packet(struct efx_rep *efv, struct efx_rx_buffer *rx_buf);68/* Returns the representor corresponding to a VF m-port, or NULL69 * @mport is an m-port label, *not* an m-port ID!70 * Caller must hold rcu_read_lock().71 */72struct efx_rep *efx_ef100_find_rep_by_mport(struct efx_nic *efx, u16 mport);73extern const struct net_device_ops efx_ef100_rep_netdev_ops;74void efx_ef100_init_reps(struct efx_nic *efx);75void efx_ef100_fini_reps(struct efx_nic *efx);76struct mae_mport_desc;77bool ef100_mport_on_local_intf(struct efx_nic *efx,78 struct mae_mport_desc *mport_desc);79bool ef100_mport_is_vf(struct mae_mport_desc *mport_desc);80#endif /* EF100_REP_H */81