| /* 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 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 |
| */ |
| 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; |
| }; |
| |
| 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; |
| #endif /* EF100_REP_H */ |
