diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_rep.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/ef100_rep.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_rep.h b/drivers/net/ethernet/sfc/ef100_rep.h new file mode 100644 index 000000000000..070f700893c1 --- /dev/null +++ b/drivers/net/ethernet/sfc/ef100_rep.h @@ -0,0 +1,69 @@ +/* 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); +#endif /* EF100_REP_H */ |