/*- * BSD LICENSE * * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Intel Corporation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _RTE_ETH_CTRL_H_ #define _RTE_ETH_CTRL_H_ /** * @file * * Ethernet device features and related data structures used * by control APIs should be defined in this file. * */ #ifdef __cplusplus extern "C" { #endif /** * Feature filter types */ enum rte_filter_type { RTE_ETH_FILTER_NONE = 0, RTE_ETH_FILTER_MACVLAN, RTE_ETH_FILTER_ETHERTYPE, RTE_ETH_FILTER_FLEXIBLE, RTE_ETH_FILTER_SYN, RTE_ETH_FILTER_NTUPLE, RTE_ETH_FILTER_TUNNEL, RTE_ETH_FILTER_FDIR, RTE_ETH_FILTER_HASH, RTE_ETH_FILTER_MAX }; /** * Generic operations on filters */ enum rte_filter_op { /** used to check whether the type filter is supported */ RTE_ETH_FILTER_NOP = 0, RTE_ETH_FILTER_ADD, /**< add filter entry */ RTE_ETH_FILTER_UPDATE, /**< update filter entry */ RTE_ETH_FILTER_DELETE, /**< delete filter entry */ RTE_ETH_FILTER_FLUSH, /**< flush all entries */ RTE_ETH_FILTER_GET, /**< get filter entry */ RTE_ETH_FILTER_SET, /**< configurations */ RTE_ETH_FILTER_INFO, /**< retrieve information */ RTE_ETH_FILTER_STATS, /**< retrieve statistics */ RTE_ETH_FILTER_OP_MAX }; /* * MAC filter type */ enum rte_mac_filter_type { RTE_MAC_PERFECT_MATCH = 1, /**< exact match of MAC addr. */ RTE_MACVLAN_PERFECT_MATCH, /**< exact match of MAC addr and VLAN ID. */ RTE_MAC_HASH_MATCH, /**< hash match of MAC addr. */ /** hash match of MAC addr and exact match of VLAN ID. */ RTE_MACVLAN_HASH_MATCH, }; /** * MAC filter info */ struct rte_eth_mac_filter { uint8_t is_vf; /**< 1 for VF, 0 for port dev */ uint16_t dst_id; /**< VF ID, available when is_vf is 1*/ enum rte_mac_filter_type filter_type; /**< MAC filter type */ struct ether_addr mac_addr; }; /** * Define all structures for Ethertype Filter type. */ #define RTE_ETHTYPE_FLAGS_MAC 0x0001 /**< If set, compare mac */ #define RTE_ETHTYPE_FLAGS_DROP 0x0002 /**< If set, drop packet when match */ /** * A structure used to define the ethertype filter entry * to support RTE_ETH_FILTER_ETHERTYPE with RTE_ETH_FILTER_ADD, * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations. */ struct rte_eth_ethertype_filter { struct ether_addr mac_addr; /**< Mac address to match. */ uint16_t ether_type; /**< Ether type to match */ uint16_t flags; /**< Flags from RTE_ETHTYPE_FLAGS_* */ uint16_t queue; /**< Queue assigned to when match*/ }; #define RTE_FLEX_FILTER_MAXLEN 128 /**< bytes to use in flex filter. */ #define RTE_FLEX_FILTER_MASK_SIZE \ (RTE_ALIGN(RTE_FLEX_FILTER_MAXLEN, CHAR_BIT) / CHAR_BIT) /**< mask bytes in flex filter. */ /** * A structure used to define the flex filter entry * to support RTE_ETH_FILTER_FLEXIBLE with RTE_ETH_FILTER_ADD, * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations. */ struct rte_eth_flex_filter { uint16_t len; uint8_t bytes[RTE_FLEX_FILTER_MAXLEN]; /**< flex bytes in big endian.*/ uint8_t mask[RTE_FLEX_FILTER_MASK_SIZE]; /**< if mask bit is 1b, do not compare corresponding byte. */ uint8_t priority; uint16_t queue; /**< Queue assigned to when match. */ }; /** * A structure used to define the TCP syn filter entry * to support RTE_ETH_FILTER_SYN with RTE_ETH_FILTER_ADD, * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations. */ struct rte_eth_syn_filter { uint8_t hig_pri; /**< 1 - higher priority than other filters, 0 - lower priority. */ uint16_t queue; /**< Queue assigned to when match */ }; /** * Define all structures for ntuple Filter type. */ #define RTE_NTUPLE_FLAGS_DST_IP 0x0001 /**< If set, dst_ip is part of ntuple */ #define RTE_NTUPLE_FLAGS_SRC_IP 0x0002 /**< If set, src_ip is part of ntuple */ #define RTE_NTUPLE_FLAGS_DST_PORT 0x0004 /**< If set, dst_port is part of ntuple */ #define RTE_NTUPLE_FLAGS_SRC_PORT 0x0008 /**< If set, src_port is part of ntuple */ #define RTE_NTUPLE_FLAGS_PROTO 0x0010 /**< If set, protocol is part of ntuple */ #define RTE_NTUPLE_FLAGS_TCP_FLAG 0x0020 /**< If set, tcp flag is involved */ #define RTE_5TUPLE_FLAGS ( \ RTE_NTUPLE_FLAGS_DST_IP | \ RTE_NTUPLE_FLAGS_SRC_IP | \ RTE_NTUPLE_FLAGS_DST_PORT | \ RTE_NTUPLE_FLAGS_SRC_PORT | \ RTE_NTUPLE_FLAGS_PROTO) #define RTE_2TUPLE_FLAGS ( \ RTE_NTUPLE_FLAGS_DST_PORT | \ RTE_NTUPLE_FLAGS_PROTO) #define TCP_URG_FLAG 0x20 #define TCP_ACK_FLAG 0x10 #define TCP_PSH_FLAG 0x08 #define TCP_RST_FLAG 0x04 #define TCP_SYN_FLAG 0x02 #define TCP_FIN_FLAG 0x01 #define TCP_FLAG_ALL 0x3F /** * A structure used to define the ntuple filter entry * to support RTE_ETH_FILTER_NTUPLE with RTE_ETH_FILTER_ADD, * RTE_ETH_FILTER_DELETE and RTE_ETH_FILTER_GET operations. */ struct rte_eth_ntuple_filter { uint16_t flags; /**< Flags from RTE_NTUPLE_FLAGS_* */ uint32_t dst_ip; /**< Destination IP address in big endian. */ uint32_t dst_ip_mask; /**< Mask of destination IP address. */ uint32_t src_ip; /**< Source IP address in big endian. */ uint32_t src_ip_mask; /**< Mask of destination IP address. */ uint16_t dst_port; /**< Destination port in big endian. */ uint16_t dst_port_mask; /**< Mask of destination port. */ uint16_t src_port; /**< Source Port in big endian. */ uint16_t src_port_mask; /**< Mask of source port. */ uint8_t proto; /**< L4 protocol. */ uint8_t proto_mask; /**< Mask of L4 protocol. */ /** tcp_flags only meaningful when the proto is TCP. The packet matched above ntuple fields and contain any set bit in tcp_flags will hit this filter. */ uint8_t tcp_flags; uint16_t priority; /**< seven levels (001b-111b), 111b is highest, used when more than one filter matches. */ uint16_t queue; /**< Queue assigned to when match*/ }; /** * Tunneled type. */ enum rte_eth_tunnel_type { RTE_TUNNEL_TYPE_NONE = 0, RTE_TUNNEL_TYPE_VXLAN, RTE_TUNNEL_TYPE_GENEVE, RTE_TUNNEL_TYPE_TEREDO, RTE_TUNNEL_TYPE_NVGRE, RTE_TUNNEL_TYPE_MAX, }; /** * filter type of tunneling packet */ #define ETH_TUNNEL_FILTER_OMAC 0x01 /**< filter by outer MAC addr */ #define ETH_TUNNEL_FILTER_OIP 0x02 /**< filter by outer IP Addr */ #define ETH_TUNNEL_FILTER_TENID 0x04 /**< filter by tenant ID */ #define ETH_TUNNEL_FILTER_IMAC 0x08 /**< filter by inner MAC addr */ #define ETH_TUNNEL_FILTER_IVLAN 0x10 /**< filter by inner VLAN ID */ #define ETH_TUNNEL_FILTER_IIP 0x20 /**< filter by inner IP addr */ #define RTE_TUNNEL_FILTER_IMAC_IVLAN (ETH_TUNNEL_FILTER_IMAC | \ ETH_TUNNEL_FILTER_IVLAN) #define RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID (ETH_TUNNEL_FILTER_IMAC | \ ETH_TUNNEL_FILTER_IVLAN | \ ETH_TUNNEL_FILTER_TENID) #define RTE_TUNNEL_FILTER_IMAC_TENID (ETH_TUNNEL_FILTER_IMAC | \ ETH_TUNNEL_FILTER_TENID) #define RTE_TUNNEL_FILTER_OMAC_TENID_IMAC (ETH_TUNNEL_FILTER_OMAC | \ ETH_TUNNEL_FILTER_TENID | \ ETH_TUNNEL_FILTER_IMAC) /** * Select IPv4 or IPv6 for tunnel filters. */ enum rte_tunnel_iptype { RTE_TUNNEL_IPTYPE_IPV4 = 0, /**< IPv4. */ RTE_TUNNEL_IPTYPE_IPV6, /**< IPv6. */ }; /** * Tunneling Packet filter configuration. */ struct rte_eth_tunnel_filter_conf { struct ether_addr *outer_mac; /**< Outer MAC address filter. */ struct ether_addr *inner_mac; /**< Inner MAC address filter. */ uint16_t inner_vlan; /**< Inner VLAN filter. */ enum rte_tunnel_iptype ip_type; /**< IP address type. */ union { uint32_t ipv4_addr; /**< IPv4 source address to match. */ uint32_t ipv6_addr[4]; /**< IPv6 source address to match. */ } ip_addr; /**< IPv4/IPv6 source address to match (union of above). */ uint16_t filter_type; /**< Filter type. */ enum rte_eth_tunnel_type tunnel_type; /**< Tunnel Type. */ uint32_t tenant_id; /** < Tenant number. */ uint16_t queue_id; /** < queue number. */ }; #define RTE_ETH_FDIR_MAX_FLEXLEN 16 /** < Max length of flexbytes. */ /** * Flow type */ enum rte_eth_flow_type { RTE_ETH_FLOW_TYPE_NONE = 0, RTE_ETH_FLOW_TYPE_RAW, RTE_ETH_FLOW_TYPE_UDPV4, RTE_ETH_FLOW_TYPE_TCPV4, RTE_ETH_FLOW_TYPE_SCTPV4, RTE_ETH_FLOW_TYPE_IPV4_OTHER, RTE_ETH_FLOW_TYPE_FRAG_IPV4, RTE_ETH_FLOW_TYPE_UDPV6, RTE_ETH_FLOW_TYPE_TCPV6, RTE_ETH_FLOW_TYPE_SCTPV6, RTE_ETH_FLOW_TYPE_IPV6_OTHER, RTE_ETH_FLOW_TYPE_FRAG_IPV6, RTE_ETH_FLOW_TYPE_MAX = 64, }; /** * A structure used to define the input for IPV4 flow */ struct rte_eth_ipv4_flow { uint32_t src_ip; /**< IPv4 source address to match. */ uint32_t dst_ip; /**< IPv4 destination address to match. */ }; /** * A structure used to define the input for IPV4 UDP flow */ struct rte_eth_udpv4_flow { struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */ uint16_t src_port; /**< UDP source port to match. */ uint16_t dst_port; /**< UDP destination port to match. */ }; /** * A structure used to define the input for IPV4 TCP flow */ struct rte_eth_tcpv4_flow { struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */ uint16_t src_port; /**< TCP source port to match. */ uint16_t dst_port; /**< TCP destination port to match. */ }; /** * A structure used to define the input for IPV4 SCTP flow */ struct rte_eth_sctpv4_flow { struct rte_eth_ipv4_flow ip; /**< IPv4 fields to match. */ uint32_t verify_tag; /**< Verify tag to match */ }; /** * A structure used to define the input for IPV6 flow */ struct rte_eth_ipv6_flow { uint32_t src_ip[4]; /**< IPv6 source address to match. */ uint32_t dst_ip[4]; /**< IPv6 destination address to match. */ }; /** * A structure used to define the input for IPV6 UDP flow */ struct rte_eth_udpv6_flow { struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */ uint16_t src_port; /**< UDP source port to match. */ uint16_t dst_port; /**< UDP destination port to match. */ }; /** * A structure used to define the input for IPV6 TCP flow */ struct rte_eth_tcpv6_flow { struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */ uint16_t src_port; /**< TCP source port to match. */ uint16_t dst_port; /**< TCP destination port to match. */ }; /** * A structure used to define the input for IPV6 SCTP flow */ struct rte_eth_sctpv6_flow { struct rte_eth_ipv6_flow ip; /**< IPv6 fields to match. */ uint32_t verify_tag; /**< Verify tag to match */ }; /** * An union contains the inputs for all types of flow */ union rte_eth_fdir_flow { struct rte_eth_udpv4_flow udp4_flow; struct rte_eth_tcpv4_flow tcp4_flow; struct rte_eth_sctpv4_flow sctp4_flow; struct rte_eth_ipv4_flow ip4_flow; struct rte_eth_udpv6_flow udp6_flow; struct rte_eth_tcpv6_flow tcp6_flow; struct rte_eth_sctpv6_flow sctp6_flow; struct rte_eth_ipv6_flow ipv6_flow; }; /** * A structure used to contain extend input of flow */ struct rte_eth_fdir_flow_ext { uint16_t vlan_tci; uint8_t flexbytes[RTE_ETH_FDIR_MAX_FLEXLEN]; /**< It is filled by the flexible payload to match. */ }; /** * A structure used to define the input for a flow director filter entry */ struct rte_eth_fdir_input { enum rte_eth_flow_type flow_type; /**< Type of flow */ union rte_eth_fdir_flow flow; /**< Flow fields to match, dependent on flow_type */ struct rte_eth_fdir_flow_ext flow_ext; /**< Additional fields to match */ }; /** * Behavior will be taken if FDIR match */ enum rte_eth_fdir_behavior { RTE_ETH_FDIR_ACCEPT = 0, RTE_ETH_FDIR_REJECT, }; /** * Flow director report status * It defines what will be reported if FDIR entry is matched. */ enum rte_eth_fdir_status { RTE_ETH_FDIR_NO_REPORT_STATUS = 0, /**< Report nothing. */ RTE_ETH_FDIR_REPORT_ID, /**< Only report FD ID. */ RTE_ETH_FDIR_REPORT_ID_FLEX_4, /**< Report FD ID and 4 flex bytes. */ RTE_ETH_FDIR_REPORT_FLEX_8, /**< Report 8 flex bytes. */ }; /** * A structure used to define an action when match FDIR packet filter. */ struct rte_eth_fdir_action { uint16_t rx_queue; /**< Queue assigned to if FDIR match. */ enum rte_eth_fdir_behavior behavior; /**< Behavior will be taken */ enum rte_eth_fdir_status report_status; /**< Status report option */ uint8_t flex_off; /**< If report_status is RTE_ETH_FDIR_REPORT_ID_FLEX_4 or RTE_ETH_FDIR_REPORT_FLEX_8, flex_off specifies where the reported flex bytes start from in flexible payload. */ }; /** * A structure used to define the flow director filter entry by filter_ctrl API * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_ADD and * RTE_ETH_FILTER_DELETE operations. */ struct rte_eth_fdir_filter { uint32_t soft_id; /**< ID, an unique value is required when deal with FDIR entry */ struct rte_eth_fdir_input input; /**< Input set */ struct rte_eth_fdir_action action; /**< Action taken when match */ }; /** * A structure used to configure FDIR masks that are used by the device * to match the various fields of RX packet headers. */ struct rte_eth_fdir_masks { uint16_t vlan_tci_mask; struct rte_eth_ipv4_flow ipv4_mask; struct rte_eth_ipv6_flow ipv6_mask; uint16_t src_port_mask; uint16_t dst_port_mask; }; /** * Payload type */ enum rte_eth_payload_type { RTE_ETH_PAYLOAD_UNKNOWN = 0, RTE_ETH_RAW_PAYLOAD, RTE_ETH_L2_PAYLOAD, RTE_ETH_L3_PAYLOAD, RTE_ETH_L4_PAYLOAD, RTE_ETH_PAYLOAD_MAX = 8, }; /** * A structure used to select bytes extracted from the protocol layers to * flexible payload for filter */ struct rte_eth_flex_payload_cfg { enum rte_eth_payload_type type; /**< Payload type */ uint16_t src_offset[RTE_ETH_FDIR_MAX_FLEXLEN]; /**< Offset in bytes from the beginning of packet's payload src_offset[i] indicates the flexbyte i's offset in original packet payload. This value should be less than flex_payload_limit in struct rte_eth_fdir_info.*/ }; /** * A structure used to define FDIR masks for flexible payload * for each flow type */ struct rte_eth_fdir_flex_mask { enum rte_eth_flow_type flow_type; /**< Flow type */ uint8_t mask[RTE_ETH_FDIR_MAX_FLEXLEN]; /**< Mask for the whole flexible payload */ }; /** * A structure used to define all flexible payload related setting * include flexpay load and flex mask */ struct rte_eth_fdir_flex_conf { uint16_t nb_payloads; /**< The number of following payload cfg */ uint16_t nb_flexmasks; /**< The number of following mask */ struct rte_eth_flex_payload_cfg flex_set[RTE_ETH_PAYLOAD_MAX]; /**< Flex payload configuration for each payload type */ struct rte_eth_fdir_flex_mask flex_mask[RTE_ETH_FLOW_TYPE_MAX]; /**< Flex mask configuration for each flow type */ }; /** * Flow Director setting modes: none, signature or perfect. */ enum rte_fdir_mode { RTE_FDIR_MODE_NONE = 0, /**< Disable FDIR support. */ RTE_FDIR_MODE_SIGNATURE, /**< Enable FDIR signature filter mode. */ RTE_FDIR_MODE_PERFECT, /**< Enable FDIR perfect filter mode. */ }; #define UINT32_BIT (CHAR_BIT * sizeof(uint32_t)) #define RTE_FLOW_MASK_ARRAY_SIZE \ (RTE_ALIGN(RTE_ETH_FLOW_TYPE_MAX, UINT32_BIT)/UINT32_BIT) /** * A structure used to get the information of flow director filter. * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_INFO operation. * It includes the mode, flexible payload configuration information, * capabilities and supported flow types, flexible payload characters. * It can be gotten to help taking specific configurations per device. */ struct rte_eth_fdir_info { enum rte_fdir_mode mode; /**< Flow director mode */ struct rte_eth_fdir_masks mask; /** Flex payload configuration information */ struct rte_eth_fdir_flex_conf flex_conf; uint32_t guarant_spc; /**< Guaranteed spaces.*/ uint32_t best_spc; /**< Best effort spaces.*/ /** Bit mask for every supported flow type. */ uint32_t flow_types_mask[RTE_FLOW_MASK_ARRAY_SIZE]; uint32_t max_flexpayload; /**< Total flex payload in bytes. */ /** Flexible payload unit in bytes. Size and alignments of all flex payload segments should be multiplies of this value. */ uint32_t flex_payload_unit; /** Max number of flexible payload continuous segments. Each segment should be a multiple of flex_payload_unit.*/ uint32_t max_flex_payload_segment_num; /** Maximum src_offset in bytes allowed. It indicates that src_offset[i] in struct rte_eth_flex_payload_cfg should be less than this value. */ uint16_t flex_payload_limit; /** Flex bitmask unit in bytes. Size of flex bitmasks should be a multiply of this value. */ uint32_t flex_bitmask_unit; /** Max supported size of flex bitmasks in flex_bitmask_unit */ uint32_t max_flex_bitmask_num; }; /** * A structure used to define the statistics of flow director. * It supports RTE_ETH_FILTER_FDIR with RTE_ETH_FILTER_STATS operation. */ struct rte_eth_fdir_stats { uint32_t collision; /**< Number of filters with collision. */ uint32_t free; /**< Number of free filters. */ uint32_t maxhash; /**< The lookup hash value of the added filter that updated the value of the MAXLEN field */ uint32_t maxlen; /**< Longest linked list of filters. */ uint64_t add; /**< Number of added filters. */ uint64_t remove; /**< Number of removed filters. */ uint64_t f_add; /**< Number of failed added filters. */ uint64_t f_remove; /**< Number of failed removed filters. */ uint32_t guarant_cnt; /**< Number of filters in guaranteed spaces. */ uint32_t best_cnt; /**< Number of filters in best effort spaces. */ }; /** * Hash filter information types. * - RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT is for getting/setting the * information/configuration of 'symmetric hash enable' per port. * - RTE_ETH_HASH_FILTER_GLOBAL_CONFIG is for getting/setting the global * configurations of hash filters. Those global configurations are valid * for all ports of the same NIC. */ enum rte_eth_hash_filter_info_type { RTE_ETH_HASH_FILTER_INFO_TYPE_UNKNOWN = 0, /** Symmetric hash enable per port */ RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT, /** Configure globally for hash filter */ RTE_ETH_HASH_FILTER_GLOBAL_CONFIG, RTE_ETH_HASH_FILTER_INFO_TYPE_MAX, }; /** * Hash function types. */ enum rte_eth_hash_function { RTE_ETH_HASH_FUNCTION_DEFAULT = 0, RTE_ETH_HASH_FUNCTION_TOEPLITZ, /**< Toeplitz */ RTE_ETH_HASH_FUNCTION_SIMPLE_XOR, /**< Simple XOR */ RTE_ETH_HASH_FUNCTION_MAX, }; #define RTE_SYM_HASH_MASK_ARRAY_SIZE \ (RTE_ALIGN(RTE_ETH_FLOW_TYPE_MAX, UINT32_BIT)/UINT32_BIT) /** * A structure used to set or get global hash function configurations which * include symmetric hash enable per flow type and hash function type. * Each bit in sym_hash_enable_mask[] indicates if the symmetric hash of the * coresponding flow type is enabled or not. * Each bit in valid_bit_mask[] indicates if the corresponding bit in * sym_hash_enable_mask[] is valid or not. For the configurations gotten, it * also means if the flow type is supported by hardware or not. */ struct rte_eth_hash_global_conf { enum rte_eth_hash_function hash_func; /**< Hash function type */ /** Bit mask for symmetric hash enable per flow type */ uint32_t sym_hash_enable_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE]; /** Bit mask indicates if the corresponding bit is valid */ uint32_t valid_bit_mask[RTE_SYM_HASH_MASK_ARRAY_SIZE]; }; /** * A structure used to set or get hash filter information, to support filter * type of 'RTE_ETH_FILTER_HASH' and its operations. */ struct rte_eth_hash_filter_info { enum rte_eth_hash_filter_info_type info_type; /**< Information type */ /** Details of hash filter information */ union { /** For RTE_ETH_HASH_FILTER_SYM_HASH_ENA_PER_PORT */ uint8_t enable; /** Global configurations of hash filter */ struct rte_eth_hash_global_conf global_conf; } info; }; #ifdef __cplusplus } #endif #endif /* _RTE_ETH_CTRL_H_ */