1c3bb5c6aSEdward Cree /* SPDX-License-Identifier: GPL-2.0-only */ 2c3bb5c6aSEdward Cree /**************************************************************************** 3c3bb5c6aSEdward Cree * Driver for Solarflare network controllers and boards 4c3bb5c6aSEdward Cree * Copyright 2023, Advanced Micro Devices, Inc. 5c3bb5c6aSEdward Cree * 6c3bb5c6aSEdward Cree * This program is free software; you can redistribute it and/or modify it 7c3bb5c6aSEdward Cree * under the terms of the GNU General Public License version 2 as published 8c3bb5c6aSEdward Cree * by the Free Software Foundation, incorporated herein by reference. 9c3bb5c6aSEdward Cree */ 10c3bb5c6aSEdward Cree 11c3bb5c6aSEdward Cree #ifndef EFX_TC_CONNTRACK_H 12c3bb5c6aSEdward Cree #define EFX_TC_CONNTRACK_H 13c3bb5c6aSEdward Cree #include "net_driver.h" 14c3bb5c6aSEdward Cree 15c3bb5c6aSEdward Cree #if IS_ENABLED(CONFIG_SFC_SRIOV) 16c3bb5c6aSEdward Cree #include <linux/refcount.h> 17c3bb5c6aSEdward Cree #include <net/netfilter/nf_flow_table.h> 18c3bb5c6aSEdward Cree 19c3bb5c6aSEdward Cree struct efx_tc_ct_zone { 20c3bb5c6aSEdward Cree u16 zone; 21c3bb5c6aSEdward Cree struct rhash_head linkage; 22c3bb5c6aSEdward Cree refcount_t ref; 23c3bb5c6aSEdward Cree struct nf_flowtable *nf_ft; 24c3bb5c6aSEdward Cree struct efx_nic *efx; 251909387fSEdward Cree struct mutex mutex; /* protects cts list */ 261909387fSEdward Cree struct list_head cts; /* list of efx_tc_ct_entry in this zone */ 27c3bb5c6aSEdward Cree }; 28c3bb5c6aSEdward Cree 29*29416025SEdward Cree /* create/uncreate/teardown hashtables */ 30c3bb5c6aSEdward Cree int efx_tc_init_conntrack(struct efx_nic *efx); 31*29416025SEdward Cree void efx_tc_destroy_conntrack(struct efx_nic *efx); 32c3bb5c6aSEdward Cree void efx_tc_fini_conntrack(struct efx_nic *efx); 33c3bb5c6aSEdward Cree 34c3bb5c6aSEdward Cree struct efx_tc_ct_zone *efx_tc_ct_register_zone(struct efx_nic *efx, u16 zone, 35c3bb5c6aSEdward Cree struct nf_flowtable *ct_ft); 36c3bb5c6aSEdward Cree void efx_tc_ct_unregister_zone(struct efx_nic *efx, 37c3bb5c6aSEdward Cree struct efx_tc_ct_zone *ct_zone); 38c3bb5c6aSEdward Cree 3994aa05bdSEdward Cree struct efx_tc_ct_entry { 4094aa05bdSEdward Cree unsigned long cookie; 4194aa05bdSEdward Cree struct rhash_head linkage; 4294aa05bdSEdward Cree __be16 eth_proto; 4394aa05bdSEdward Cree u8 ip_proto; 4494aa05bdSEdward Cree bool dnat; 4594aa05bdSEdward Cree __be32 src_ip, dst_ip, nat_ip; 4694aa05bdSEdward Cree struct in6_addr src_ip6, dst_ip6; 4794aa05bdSEdward Cree __be16 l4_sport, l4_dport, l4_natport; /* Ports (UDP, TCP) */ 4894aa05bdSEdward Cree struct efx_tc_ct_zone *zone; 4994aa05bdSEdward Cree u32 mark; 5094aa05bdSEdward Cree struct efx_tc_counter *cnt; 511909387fSEdward Cree struct list_head list; /* entry on zone->cts */ 5294aa05bdSEdward Cree }; 5394aa05bdSEdward Cree 54c3bb5c6aSEdward Cree #endif /* CONFIG_SFC_SRIOV */ 55c3bb5c6aSEdward Cree #endif /* EFX_TC_CONNTRACK_H */ 56