67ab160ed0
Default rules are low-priority switching rules which the hardware uses in the absence of higher-priority rules. Each representor requires a corresponding rule matching traffic from its representee VF and delivering to the PF (where a check on INGRESS_MPORT in __ef100_rx_packet() will direct it to the representor). No rule is required in the reverse direction, because representor TX uses a TX override descriptor to bypass the MAE and deliver directly to the VF. Since inserting any rule into the MAE disables the firmware's own default rules, also insert a pair of rules to connect the PF to the physical network port and vice-versa. Signed-off-by: Edward Cree <ecree.xilinx@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/****************************************************************************
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* Driver for Solarflare network controllers and boards
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* Copyright 2019 Solarflare Communications Inc.
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* Copyright 2020-2022 Xilinx Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef EF100_MAE_H
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#define EF100_MAE_H
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/* MCDI interface for the ef100 Match-Action Engine */
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#include "net_driver.h"
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#include "tc.h"
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#include "mcdi_pcol.h" /* needed for various MC_CMD_MAE_*_NULL defines */
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void efx_mae_mport_wire(struct efx_nic *efx, u32 *out);
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void efx_mae_mport_uplink(struct efx_nic *efx, u32 *out);
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void efx_mae_mport_vf(struct efx_nic *efx, u32 vf_id, u32 *out);
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void efx_mae_mport_mport(struct efx_nic *efx, u32 mport_id, u32 *out);
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int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
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int efx_mae_alloc_action_set(struct efx_nic *efx, struct efx_tc_action_set *act);
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int efx_mae_free_action_set(struct efx_nic *efx, u32 fw_id);
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int efx_mae_alloc_action_set_list(struct efx_nic *efx,
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struct efx_tc_action_set_list *acts);
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int efx_mae_free_action_set_list(struct efx_nic *efx,
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struct efx_tc_action_set_list *acts);
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int efx_mae_insert_rule(struct efx_nic *efx, const struct efx_tc_match *match,
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u32 prio, u32 acts_id, u32 *id);
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int efx_mae_delete_rule(struct efx_nic *efx, u32 id);
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#endif /* EF100_MAE_H */
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