diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/tc_conntrack.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/tc_conntrack.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/tc_conntrack.h b/drivers/net/ethernet/sfc/tc_conntrack.h new file mode 100644 index 000000000000..e75c8eb1965d --- /dev/null +++ b/drivers/net/ethernet/sfc/tc_conntrack.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/**************************************************************************** + * Driver for Solarflare network controllers and boards + * Copyright 2023, Advanced Micro Devices, 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. + */ + +#ifndef EFX_TC_CONNTRACK_H +#define EFX_TC_CONNTRACK_H +#include "net_driver.h" + +#if IS_ENABLED(CONFIG_SFC_SRIOV) +#include <linux/refcount.h> +#include <net/netfilter/nf_flow_table.h> + +struct efx_tc_ct_zone { + u16 zone; + struct rhash_head linkage; + refcount_t ref; + struct nf_flowtable *nf_ft; + struct efx_nic *efx; + struct mutex mutex; /* protects cts list */ + struct list_head cts; /* list of efx_tc_ct_entry in this zone */ +}; + +/* create/uncreate/teardown hashtables */ +int efx_tc_init_conntrack(struct efx_nic *efx); +void efx_tc_destroy_conntrack(struct efx_nic *efx); +void efx_tc_fini_conntrack(struct efx_nic *efx); + +struct efx_tc_ct_zone *efx_tc_ct_register_zone(struct efx_nic *efx, u16 zone, + struct nf_flowtable *ct_ft); +void efx_tc_ct_unregister_zone(struct efx_nic *efx, + struct efx_tc_ct_zone *ct_zone); + +struct efx_tc_ct_entry { + unsigned long cookie; + struct rhash_head linkage; + __be16 eth_proto; + u8 ip_proto; + bool dnat; + __be32 src_ip, dst_ip, nat_ip; + struct in6_addr src_ip6, dst_ip6; + __be16 l4_sport, l4_dport, l4_natport; /* Ports (UDP, TCP) */ + struct efx_tc_ct_zone *zone; + u32 mark; + struct efx_tc_counter *cnt; + struct list_head list; /* entry on zone->cts */ +}; + +#endif /* CONFIG_SFC_SRIOV */ +#endif /* EFX_TC_CONNTRACK_H */ |