56 lines
1.7 KiB
C
56 lines
1.7 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 2023, Advanced Micro Devices, 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 EFX_TC_CONNTRACK_H
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#define EFX_TC_CONNTRACK_H
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#include "net_driver.h"
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#if IS_ENABLED(CONFIG_SFC_SRIOV)
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#include <linux/refcount.h>
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#include <net/netfilter/nf_flow_table.h>
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struct efx_tc_ct_zone {
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u16 zone;
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struct rhash_head linkage;
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refcount_t ref;
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struct nf_flowtable *nf_ft;
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struct efx_nic *efx;
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struct mutex mutex; /* protects cts list */
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struct list_head cts; /* list of efx_tc_ct_entry in this zone */
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};
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/* create/uncreate/teardown hashtables */
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int efx_tc_init_conntrack(struct efx_nic *efx);
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void efx_tc_destroy_conntrack(struct efx_nic *efx);
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void efx_tc_fini_conntrack(struct efx_nic *efx);
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struct efx_tc_ct_zone *efx_tc_ct_register_zone(struct efx_nic *efx, u16 zone,
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struct nf_flowtable *ct_ft);
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void efx_tc_ct_unregister_zone(struct efx_nic *efx,
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struct efx_tc_ct_zone *ct_zone);
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struct efx_tc_ct_entry {
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unsigned long cookie;
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struct rhash_head linkage;
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__be16 eth_proto;
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u8 ip_proto;
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bool dnat;
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__be32 src_ip, dst_ip, nat_ip;
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struct in6_addr src_ip6, dst_ip6;
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__be16 l4_sport, l4_dport, l4_natport; /* Ports (UDP, TCP) */
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struct efx_tc_ct_zone *zone;
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u32 mark;
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struct efx_tc_counter *cnt;
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struct list_head list; /* entry on zone->cts */
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};
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#endif /* CONFIG_SFC_SRIOV */
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#endif /* EFX_TC_CONNTRACK_H */
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