417 lines
14 KiB
C
417 lines
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2019, Intel Corporation. */
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#ifndef _ICE_FLOW_H_
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#define _ICE_FLOW_H_
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#include "ice_flex_type.h"
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#define ICE_FLOW_ENTRY_HANDLE_INVAL 0
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#define ICE_FLOW_FLD_OFF_INVAL 0xffff
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/* Generate flow hash field from flow field type(s) */
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#define ICE_FLOW_HASH_ETH \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
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#define ICE_FLOW_HASH_IPV4 \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
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#define ICE_FLOW_HASH_IPV6 \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
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#define ICE_FLOW_HASH_TCP_PORT \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
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#define ICE_FLOW_HASH_UDP_PORT \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
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#define ICE_FLOW_HASH_SCTP_PORT \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
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BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
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#define ICE_HASH_INVALID 0
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#define ICE_HASH_TCP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
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#define ICE_HASH_TCP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
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#define ICE_HASH_UDP_IPV4 (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
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#define ICE_HASH_UDP_IPV6 (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
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#define ICE_FLOW_HASH_GTP_TEID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
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#define ICE_FLOW_HASH_GTP_IPV4_TEID \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_TEID)
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#define ICE_FLOW_HASH_GTP_IPV6_TEID \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_TEID)
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#define ICE_FLOW_HASH_GTP_U_TEID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
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#define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
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#define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
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#define ICE_FLOW_HASH_GTP_U_EH_TEID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID))
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#define ICE_FLOW_HASH_GTP_U_EH_QFI \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_QFI))
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#define ICE_FLOW_HASH_GTP_U_IPV4_EH \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
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ICE_FLOW_HASH_GTP_U_EH_QFI)
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#define ICE_FLOW_HASH_GTP_U_IPV6_EH \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
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ICE_FLOW_HASH_GTP_U_EH_QFI)
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#define ICE_FLOW_HASH_PPPOE_SESS_ID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
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#define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
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(ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
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#define ICE_FLOW_HASH_PPPOE_TCP_ID \
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(ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
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#define ICE_FLOW_HASH_PPPOE_UDP_ID \
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(ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
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#define ICE_FLOW_HASH_PFCP_SEID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID))
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#define ICE_FLOW_HASH_PFCP_IPV4_SEID \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_PFCP_SEID)
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#define ICE_FLOW_HASH_PFCP_IPV6_SEID \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_PFCP_SEID)
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#define ICE_FLOW_HASH_L2TPV3_SESS_ID \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID))
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#define ICE_FLOW_HASH_L2TPV3_IPV4_SESS_ID \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
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#define ICE_FLOW_HASH_L2TPV3_IPV6_SESS_ID \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
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#define ICE_FLOW_HASH_ESP_SPI \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI))
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#define ICE_FLOW_HASH_ESP_IPV4_SPI \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_ESP_SPI)
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#define ICE_FLOW_HASH_ESP_IPV6_SPI \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_ESP_SPI)
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#define ICE_FLOW_HASH_AH_SPI \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI))
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#define ICE_FLOW_HASH_AH_IPV4_SPI \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_AH_SPI)
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#define ICE_FLOW_HASH_AH_IPV6_SPI \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_AH_SPI)
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#define ICE_FLOW_HASH_NAT_T_ESP_SPI \
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(BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI))
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#define ICE_FLOW_HASH_NAT_T_ESP_IPV4_SPI \
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(ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
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#define ICE_FLOW_HASH_NAT_T_ESP_IPV6_SPI \
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(ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
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/* Protocol header fields within a packet segment. A segment consists of one or
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* more protocol headers that make up a logical group of protocol headers. Each
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* logical group of protocol headers encapsulates or is encapsulated using/by
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* tunneling or encapsulation protocols for network virtualization such as GRE,
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* VxLAN, etc.
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*/
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enum ice_flow_seg_hdr {
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ICE_FLOW_SEG_HDR_NONE = 0x00000000,
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ICE_FLOW_SEG_HDR_ETH = 0x00000001,
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ICE_FLOW_SEG_HDR_VLAN = 0x00000002,
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ICE_FLOW_SEG_HDR_IPV4 = 0x00000004,
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ICE_FLOW_SEG_HDR_IPV6 = 0x00000008,
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ICE_FLOW_SEG_HDR_ARP = 0x00000010,
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ICE_FLOW_SEG_HDR_ICMP = 0x00000020,
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ICE_FLOW_SEG_HDR_TCP = 0x00000040,
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ICE_FLOW_SEG_HDR_UDP = 0x00000080,
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ICE_FLOW_SEG_HDR_SCTP = 0x00000100,
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ICE_FLOW_SEG_HDR_GRE = 0x00000200,
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ICE_FLOW_SEG_HDR_GTPC = 0x00000400,
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ICE_FLOW_SEG_HDR_GTPC_TEID = 0x00000800,
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ICE_FLOW_SEG_HDR_GTPU_IP = 0x00001000,
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ICE_FLOW_SEG_HDR_GTPU_EH = 0x00002000,
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ICE_FLOW_SEG_HDR_GTPU_DWN = 0x00004000,
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ICE_FLOW_SEG_HDR_GTPU_UP = 0x00008000,
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ICE_FLOW_SEG_HDR_PPPOE = 0x00010000,
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ICE_FLOW_SEG_HDR_PFCP_NODE = 0x00020000,
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ICE_FLOW_SEG_HDR_PFCP_SESSION = 0x00040000,
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ICE_FLOW_SEG_HDR_L2TPV3 = 0x00080000,
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ICE_FLOW_SEG_HDR_ESP = 0x00100000,
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ICE_FLOW_SEG_HDR_AH = 0x00200000,
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ICE_FLOW_SEG_HDR_NAT_T_ESP = 0x00400000,
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ICE_FLOW_SEG_HDR_ETH_NON_IP = 0x00800000,
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/* The following is an additive bit for ICE_FLOW_SEG_HDR_IPV4 and
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* ICE_FLOW_SEG_HDR_IPV6 which include the IPV4 other PTYPEs
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*/
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ICE_FLOW_SEG_HDR_IPV_OTHER = 0x20000000,
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};
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/* These segments all have the same PTYPES, but are otherwise distinguished by
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* the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
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*
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* gtp_eh_pdu gtp_eh_pdu_link
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* ICE_FLOW_SEG_HDR_GTPU_IP 0 0
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* ICE_FLOW_SEG_HDR_GTPU_EH 1 don't care
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* ICE_FLOW_SEG_HDR_GTPU_DWN 1 0
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* ICE_FLOW_SEG_HDR_GTPU_UP 1 1
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*/
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#define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
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ICE_FLOW_SEG_HDR_GTPU_EH | \
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ICE_FLOW_SEG_HDR_GTPU_DWN | \
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ICE_FLOW_SEG_HDR_GTPU_UP)
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#define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
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ICE_FLOW_SEG_HDR_PFCP_SESSION)
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enum ice_flow_field {
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/* L2 */
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ICE_FLOW_FIELD_IDX_ETH_DA,
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ICE_FLOW_FIELD_IDX_ETH_SA,
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ICE_FLOW_FIELD_IDX_S_VLAN,
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ICE_FLOW_FIELD_IDX_C_VLAN,
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ICE_FLOW_FIELD_IDX_ETH_TYPE,
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/* L3 */
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ICE_FLOW_FIELD_IDX_IPV4_DSCP,
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ICE_FLOW_FIELD_IDX_IPV6_DSCP,
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ICE_FLOW_FIELD_IDX_IPV4_TTL,
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ICE_FLOW_FIELD_IDX_IPV4_PROT,
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ICE_FLOW_FIELD_IDX_IPV6_TTL,
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ICE_FLOW_FIELD_IDX_IPV6_PROT,
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ICE_FLOW_FIELD_IDX_IPV4_SA,
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ICE_FLOW_FIELD_IDX_IPV4_DA,
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ICE_FLOW_FIELD_IDX_IPV6_SA,
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ICE_FLOW_FIELD_IDX_IPV6_DA,
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/* L4 */
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ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
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ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
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ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
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ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
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ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
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ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
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ICE_FLOW_FIELD_IDX_TCP_FLAGS,
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/* ARP */
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ICE_FLOW_FIELD_IDX_ARP_SIP,
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ICE_FLOW_FIELD_IDX_ARP_DIP,
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ICE_FLOW_FIELD_IDX_ARP_SHA,
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ICE_FLOW_FIELD_IDX_ARP_DHA,
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ICE_FLOW_FIELD_IDX_ARP_OP,
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/* ICMP */
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ICE_FLOW_FIELD_IDX_ICMP_TYPE,
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ICE_FLOW_FIELD_IDX_ICMP_CODE,
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/* GRE */
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ICE_FLOW_FIELD_IDX_GRE_KEYID,
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/* GTPC_TEID */
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ICE_FLOW_FIELD_IDX_GTPC_TEID,
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/* GTPU_IP */
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ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
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/* GTPU_EH */
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ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
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ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
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/* GTPU_UP */
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ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
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/* GTPU_DWN */
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ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
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/* PPPoE */
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ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
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/* PFCP */
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ICE_FLOW_FIELD_IDX_PFCP_SEID,
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/* L2TPv3 */
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ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
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/* ESP */
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ICE_FLOW_FIELD_IDX_ESP_SPI,
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/* AH */
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ICE_FLOW_FIELD_IDX_AH_SPI,
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/* NAT_T ESP */
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ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
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/* The total number of enums must not exceed 64 */
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ICE_FLOW_FIELD_IDX_MAX
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};
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/* Flow headers and fields for AVF support */
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enum ice_flow_avf_hdr_field {
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/* Values 0 - 28 are reserved for future use */
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ICE_AVF_FLOW_FIELD_INVALID = 0,
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ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP = 29,
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ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
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ICE_AVF_FLOW_FIELD_IPV4_UDP,
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ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
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ICE_AVF_FLOW_FIELD_IPV4_TCP,
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ICE_AVF_FLOW_FIELD_IPV4_SCTP,
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ICE_AVF_FLOW_FIELD_IPV4_OTHER,
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ICE_AVF_FLOW_FIELD_FRAG_IPV4,
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/* Values 37-38 are reserved */
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ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP = 39,
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ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
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ICE_AVF_FLOW_FIELD_IPV6_UDP,
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ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
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ICE_AVF_FLOW_FIELD_IPV6_TCP,
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ICE_AVF_FLOW_FIELD_IPV6_SCTP,
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ICE_AVF_FLOW_FIELD_IPV6_OTHER,
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ICE_AVF_FLOW_FIELD_FRAG_IPV6,
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ICE_AVF_FLOW_FIELD_RSVD47,
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ICE_AVF_FLOW_FIELD_FCOE_OX,
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ICE_AVF_FLOW_FIELD_FCOE_RX,
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ICE_AVF_FLOW_FIELD_FCOE_OTHER,
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/* Values 51-62 are reserved */
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ICE_AVF_FLOW_FIELD_L2_PAYLOAD = 63,
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ICE_AVF_FLOW_FIELD_MAX
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};
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/* Supported RSS offloads This macro is defined to support
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* VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
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* capabilities to the caller of this ops.
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*/
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#define ICE_DEFAULT_RSS_HENA ( \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
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BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
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enum ice_flow_dir {
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ICE_FLOW_RX = 0x02,
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};
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enum ice_flow_priority {
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ICE_FLOW_PRIO_LOW,
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ICE_FLOW_PRIO_NORMAL,
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ICE_FLOW_PRIO_HIGH
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};
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#define ICE_FLOW_SEG_MAX 2
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#define ICE_FLOW_SEG_RAW_FLD_MAX 2
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#define ICE_FLOW_FV_EXTRACT_SZ 2
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#define ICE_FLOW_SET_HDRS(seg, val) ((seg)->hdrs |= (u32)(val))
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struct ice_flow_seg_xtrct {
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u8 prot_id; /* Protocol ID of extracted header field */
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u16 off; /* Starting offset of the field in header in bytes */
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u8 idx; /* Index of FV entry used */
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u8 disp; /* Displacement of field in bits fr. FV entry's start */
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u16 mask; /* Mask for field */
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};
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enum ice_flow_fld_match_type {
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ICE_FLOW_FLD_TYPE_REG, /* Value, mask */
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ICE_FLOW_FLD_TYPE_RANGE, /* Value, mask, last (upper bound) */
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ICE_FLOW_FLD_TYPE_PREFIX, /* IP address, prefix, size of prefix */
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ICE_FLOW_FLD_TYPE_SIZE, /* Value, mask, size of match */
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};
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struct ice_flow_fld_loc {
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/* Describe offsets of field information relative to the beginning of
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* input buffer provided when adding flow entries.
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*/
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u16 val; /* Offset where the value is located */
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u16 mask; /* Offset where the mask/prefix value is located */
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u16 last; /* Length or offset where the upper value is located */
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};
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struct ice_flow_fld_info {
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enum ice_flow_fld_match_type type;
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/* Location where to retrieve data from an input buffer */
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struct ice_flow_fld_loc src;
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/* Location where to put the data into the final entry buffer */
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struct ice_flow_fld_loc entry;
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struct ice_flow_seg_xtrct xtrct;
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};
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struct ice_flow_seg_fld_raw {
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struct ice_flow_fld_info info;
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u16 off; /* Offset from the start of the segment */
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};
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struct ice_flow_seg_info {
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u32 hdrs; /* Bitmask indicating protocol headers present */
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u64 match; /* Bitmask indicating header fields to be matched */
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u64 range; /* Bitmask indicating header fields matched as ranges */
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struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
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u8 raws_cnt; /* Number of raw fields to be matched */
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struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
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};
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/* This structure describes a flow entry, and is tracked only in this file */
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struct ice_flow_entry {
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struct list_head l_entry;
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u64 id;
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struct ice_flow_prof *prof;
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/* Flow entry's content */
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void *entry;
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enum ice_flow_priority priority;
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u16 vsi_handle;
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u16 entry_sz;
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};
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#define ICE_FLOW_ENTRY_HNDL(e) ((u64)(uintptr_t)e)
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#define ICE_FLOW_ENTRY_PTR(h) ((struct ice_flow_entry *)(uintptr_t)(h))
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struct ice_flow_prof {
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struct list_head l_entry;
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u64 id;
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enum ice_flow_dir dir;
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u8 segs_cnt;
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/* Keep track of flow entries associated with this flow profile */
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struct mutex entries_lock;
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struct list_head entries;
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struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
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/* software VSI handles referenced by this flow profile */
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DECLARE_BITMAP(vsis, ICE_MAX_VSI);
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};
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struct ice_rss_cfg {
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struct list_head l_entry;
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/* bitmap of VSIs added to the RSS entry */
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DECLARE_BITMAP(vsis, ICE_MAX_VSI);
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u64 hashed_flds;
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u32 packet_hdr;
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};
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int
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ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
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u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
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struct ice_flow_prof **prof);
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int ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
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int
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ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
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u64 entry_id, u16 vsi, enum ice_flow_priority prio,
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|
void *data, u64 *entry_h);
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int ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
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void
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ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
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u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
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void
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ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
|
|
u16 val_loc, u16 mask_loc);
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int ice_flow_rem_vsi_prof(struct ice_hw *hw, u16 vsi_handle, u64 prof_id);
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void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
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int ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
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int ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
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int ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
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int
|
|
ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
|
|
u32 addl_hdrs);
|
|
int
|
|
ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
|
|
u32 addl_hdrs);
|
|
u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
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#endif /* _ICE_FLOW_H_ */
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