| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /**************************************************************************** | |
| * Driver for Solarflare network controllers and boards | |
| * Copyright 2019 Solarflare Communications Inc. | |
| * Copyright 2020-2022 Xilinx Inc. | |
| * | |
| * This program is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License version 2 as published | |
| * by the Free Software Foundation, incorporated herein by reference. | |
| */ | |
| /* Handling for ef100 representor netdevs */ | |
| #ifndef EF100_REP_H | |
| #define EF100_REP_H | |
| #include "net_driver.h" | |
| #include "tc.h" | |
| struct efx_rep_sw_stats { | |
| atomic64_t rx_packets, tx_packets; | |
| atomic64_t rx_bytes, tx_bytes; | |
| atomic64_t rx_dropped, tx_errors; | |
| }; | |
| struct devlink_port; | |
| /** | |
| * struct efx_rep - Private data for an Efx representor | |
| * | |
| * @parent: the efx PF which manages this representor | |
| * @net_dev: representor netdevice | |
| * @msg_enable: log message enable flags | |
| * @mport: m-port ID of corresponding VF | |
| * @idx: VF index | |
| * @write_index: number of packets enqueued to @rx_list | |
| * @read_index: number of packets consumed from @rx_list | |
| * @rx_pring_size: max length of RX list | |
| * @dflt: default-rule for MAE switching | |
| * @list: entry on efx->vf_reps | |
| * @rx_list: list of SKBs queued for receive in NAPI poll | |
| * @rx_lock: protects @rx_list | |
| * @napi: NAPI control structure | |
| * @stats: software traffic counters for netdev stats | |
| * @dl_port: devlink port associated to this netdev representor | |
| */ | |
| struct efx_rep { | |
| struct efx_nic *parent; | |
| struct net_device *net_dev; | |
| u32 msg_enable; | |
| u32 mport; | |
| unsigned int idx; | |
| unsigned int write_index, read_index; | |
| unsigned int rx_pring_size; | |
| struct efx_tc_flow_rule dflt; | |
| struct list_head list; | |
| struct list_head rx_list; | |
| spinlock_t rx_lock; | |
| struct napi_struct napi; | |
| struct efx_rep_sw_stats stats; | |
| struct devlink_port *dl_port; | |
| }; | |
| int efx_ef100_vfrep_create(struct efx_nic *efx, unsigned int i); | |
| void efx_ef100_vfrep_destroy(struct efx_nic *efx, struct efx_rep *efv); | |
| void efx_ef100_fini_vfreps(struct efx_nic *efx); | |
| void efx_ef100_rep_rx_packet(struct efx_rep *efv, struct efx_rx_buffer *rx_buf); | |
| /* Returns the representor corresponding to a VF m-port, or NULL | |
| * @mport is an m-port label, *not* an m-port ID! | |
| * Caller must hold rcu_read_lock(). | |
| */ | |
| struct efx_rep *efx_ef100_find_rep_by_mport(struct efx_nic *efx, u16 mport); | |
| extern const struct net_device_ops efx_ef100_rep_netdev_ops; | |
| void efx_ef100_init_reps(struct efx_nic *efx); | |
| void efx_ef100_fini_reps(struct efx_nic *efx); | |
| struct mae_mport_desc; | |
| bool ef100_mport_on_local_intf(struct efx_nic *efx, | |
| struct mae_mport_desc *mport_desc); | |
| bool ef100_mport_is_vf(struct mae_mport_desc *mport_desc); | |
| #endif /* EF100_REP_H */ |