Differential D39821 Diff 121050 sys/dev/ice/ice_protocol_type.h

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sys/dev/ice/ice_protocol_type.h

/* SPDX-License-Identifier: BSD-3-Clause */		/* SPDX-License-Identifier: BSD-3-Clause */
/* Copyright (c) 2022, Intel Corporation		/* Copyright (c) 2023, Intel Corporation
* All rights reserved.		* All rights reserved.
*		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:		* modification, are permitted provided that the following conditions are met:
*		*
* 1. Redistributions of source code must retain the above copyright notice,		* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.		* this list of conditions and the following disclaimer.
*		*
▲ Show 20 Lines • Show All 60 Lines • ▼ Show 20 Lines	enum ice_protocol_type {
ICE_SCTP_IL,		ICE_SCTP_IL,
ICE_VXLAN,		ICE_VXLAN,
ICE_GENEVE,		ICE_GENEVE,
ICE_VXLAN_GPE,		ICE_VXLAN_GPE,
ICE_NVGRE,		ICE_NVGRE,
ICE_GTP,		ICE_GTP,
ICE_GTP_NO_PAY,		ICE_GTP_NO_PAY,
ICE_PPPOE,		ICE_PPPOE,
		ICE_L2TPV3,
ICE_PROTOCOL_LAST		ICE_PROTOCOL_LAST
};		};

enum ice_sw_tunnel_type {		enum ice_sw_tunnel_type {
ICE_NON_TUN = 0,		ICE_NON_TUN = 0,
ICE_SW_TUN_AND_NON_TUN,		ICE_SW_TUN_AND_NON_TUN,
ICE_SW_TUN_VXLAN_GPE,		ICE_SW_TUN_VXLAN_GPE,
ICE_SW_TUN_GENEVE, /* GENEVE matches only non-VLAN pkts */		ICE_SW_TUN_GENEVE, /* GENEVE matches only non-VLAN pkts */
ICE_SW_TUN_GENEVE_VLAN, /* GENEVE matches both VLAN and non-VLAN pkts */		ICE_SW_TUN_GENEVE_VLAN, /* GENEVE matches both VLAN and non-VLAN pkts */
ICE_SW_TUN_VXLAN, /* VXLAN matches only non-VLAN pkts */		ICE_SW_TUN_VXLAN, /* VXLAN matches only non-VLAN pkts */
ICE_SW_TUN_VXLAN_VLAN, /* VXLAN matches both VLAN and non-VLAN pkts */		ICE_SW_TUN_VXLAN_VLAN, /* VXLAN matches both VLAN and non-VLAN pkts */
ICE_SW_TUN_NVGRE,		ICE_SW_TUN_NVGRE,
ICE_SW_TUN_UDP, /* This means all "UDP" tunnel types: VXLAN-GPE, VXLAN		ICE_SW_TUN_UDP, /* This means all "UDP" tunnel types: VXLAN-GPE, VXLAN
* and GENEVE		* and GENEVE
*/		*/
ICE_SW_TUN_IPV4_GTP_IPV4_TCP,
ICE_SW_TUN_IPV4_GTP_IPV4_UDP,
ICE_SW_TUN_IPV4_GTP_IPV6_TCP,
ICE_SW_TUN_IPV4_GTP_IPV6_UDP,
ICE_SW_TUN_IPV6_GTP_IPV4_TCP,
ICE_SW_TUN_IPV6_GTP_IPV4_UDP,
ICE_SW_TUN_IPV6_GTP_IPV6_TCP,
ICE_SW_TUN_IPV6_GTP_IPV6_UDP,

/* following adds support for GTP, just using inner protocols,
* outer L3 and L4 protocols can be anything
*/
ICE_SW_TUN_GTP_IPV4_TCP,
ICE_SW_TUN_GTP_IPV4_UDP,
ICE_SW_TUN_GTP_IPV6_TCP,
ICE_SW_TUN_GTP_IPV6_UDP,
ICE_SW_TUN_GTPU,		ICE_SW_TUN_GTPU,
ICE_SW_TUN_GTPC,		ICE_SW_TUN_GTPC,
ICE_SW_TUN_IPV4_GTPU_IPV4,
ICE_SW_TUN_IPV4_GTPU_IPV6,
ICE_SW_TUN_IPV6_GTPU_IPV4,
ICE_SW_TUN_IPV6_GTPU_IPV6,
ICE_SW_TUN_GTP_IPV4,
ICE_SW_TUN_GTP_IPV6,
ICE_ALL_TUNNELS /* All tunnel types including NVGRE */		ICE_ALL_TUNNELS /* All tunnel types including NVGRE */
};		};

/* Decoders for ice_prot_id:		/* Decoders for ice_prot_id:
* - F: First		* - F: First
* - I: Inner		* - I: Inner
* - L: Last		* - L: Last
* - O: Outer		* - O: Outer
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#define ICE_VLAN_OL_HW 17		#define ICE_VLAN_OL_HW 17
#define ICE_IPV4_OFOS_HW 32		#define ICE_IPV4_OFOS_HW 32
#define ICE_IPV4_IL_HW 33		#define ICE_IPV4_IL_HW 33
#define ICE_IPV6_OFOS_HW 40		#define ICE_IPV6_OFOS_HW 40
#define ICE_IPV6_IL_HW 41		#define ICE_IPV6_IL_HW 41
#define ICE_TCP_IL_HW 49		#define ICE_TCP_IL_HW 49
#define ICE_UDP_ILOS_HW 53		#define ICE_UDP_ILOS_HW 53
#define ICE_SCTP_IL_HW 96		#define ICE_SCTP_IL_HW 96
		#define ICE_PPPOE_HW 103
		#define ICE_L2TPV3_HW 104

/* ICE_UDP_OF is used to identify all 3 tunnel types		/* ICE_UDP_OF is used to identify all 3 tunnel types
* VXLAN, GENEVE and VXLAN_GPE. To differentiate further		* VXLAN, GENEVE and VXLAN_GPE. To differentiate further
* need to use flags from the field vector		* need to use flags from the field vector
*/		*/
#define ICE_UDP_OF_HW 52 /* UDP Tunnels */		#define ICE_UDP_OF_HW 52 /* UDP Tunnels */
#define ICE_GRE_OF_HW 64 /* NVGRE */		#define ICE_GRE_OF_HW 64 /* NVGRE */
#define ICE_PPPOE_HW 103		#define ICE_META_DATA_ID_HW 255 /* this is used for tunnel and VLAN type */
#define ICE_META_DATA_ID_HW 255 /* this is used for tunnel type */

#define ICE_MDID_SIZE 2		#define ICE_MDID_SIZE 2
#define ICE_TUN_FLAG_MDID 20		#define ICE_TUN_FLAG_MDID 20
#define ICE_TUN_FLAG_MDID_OFF(word) \		#define ICE_TUN_FLAG_MDID_OFF(word) \
(ICE_MDID_SIZE * (ICE_TUN_FLAG_MDID + (word)))		(ICE_MDID_SIZE * (ICE_TUN_FLAG_MDID + (word)))
#define ICE_TUN_FLAG_MASK 0xFF		#define ICE_TUN_FLAG_MASK 0xFF
#define ICE_DIR_FLAG_MASK 0x10		#define ICE_DIR_FLAG_MASK 0x10
		#define ICE_TUN_FLAG_IN_VLAN_MASK 0x80 /* VLAN inside tunneled header */
#define ICE_TUN_FLAG_VLAN_MASK 0x01		#define ICE_TUN_FLAG_VLAN_MASK 0x01
#define ICE_TUN_FLAG_FV_IND 2		#define ICE_TUN_FLAG_FV_IND 2

		#define ICE_VLAN_FLAG_MDID 20
		#define ICE_VLAN_FLAG_MDID_OFF (ICE_MDID_SIZE * ICE_VLAN_FLAG_MDID)
		#define ICE_PKT_FLAGS_0_TO_15_VLAN_FLAGS_MASK 0xD000

#define ICE_PROTOCOL_MAX_ENTRIES 16		#define ICE_PROTOCOL_MAX_ENTRIES 16

/* Mapping of software defined protocol ID to hardware defined protocol ID */		/* Mapping of software defined protocol ID to hardware defined protocol ID */
struct ice_protocol_entry {		struct ice_protocol_entry {
enum ice_protocol_type type;		enum ice_protocol_type type;
u8 protocol_id;		u8 protocol_id;
};		};

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struct ice_pppoe_hdr {		struct ice_pppoe_hdr {
u8 rsrvd_ver_type;		u8 rsrvd_ver_type;
u8 rsrvd_code;		u8 rsrvd_code;
__be16 session_id;		__be16 session_id;
__be16 length;		__be16 length;
__be16 ppp_prot_id; /* control and data only */		__be16 ppp_prot_id; /* control and data only */
};		};

		struct ice_l2tpv3_sess_hdr {
		__be32 session_id;
		__be64 cookie;
		};

struct ice_nvgre {		struct ice_nvgre {
__be16 flags;		__be16 flags;
__be16 protocol;		__be16 protocol;
__be32 tni_flow;		__be32 tni_flow;
};		};

union ice_prot_hdr {		union ice_prot_hdr {
struct ice_ether_hdr eth_hdr;		struct ice_ether_hdr eth_hdr;
struct ice_ethtype_hdr ethertype;		struct ice_ethtype_hdr ethertype;
struct ice_vlan_hdr vlan_hdr;		struct ice_vlan_hdr vlan_hdr;
struct ice_ipv4_hdr ipv4_hdr;		struct ice_ipv4_hdr ipv4_hdr;
struct ice_ipv6_hdr ipv6_hdr;		struct ice_ipv6_hdr ipv6_hdr;
struct ice_l4_hdr l4_hdr;		struct ice_l4_hdr l4_hdr;
struct ice_sctp_hdr sctp_hdr;		struct ice_sctp_hdr sctp_hdr;
struct ice_udp_tnl_hdr tnl_hdr;		struct ice_udp_tnl_hdr tnl_hdr;
struct ice_nvgre nvgre_hdr;		struct ice_nvgre nvgre_hdr;
struct ice_udp_gtp_hdr gtp_hdr;		struct ice_udp_gtp_hdr gtp_hdr;
struct ice_pppoe_hdr pppoe_hdr;		struct ice_pppoe_hdr pppoe_hdr;
		struct ice_l2tpv3_sess_hdr l2tpv3_sess_hdr;
};		};

/* This is mapping table entry that maps every word within a given protocol		/* This is mapping table entry that maps every word within a given protocol
* structure to the real byte offset as per the specification of that		* structure to the real byte offset as per the specification of that
* protocol header.		* protocol header.
* for e.g. dst address is 3 words in ethertype header and corresponding bytes		* for e.g. dst address is 3 words in ethertype header and corresponding bytes
* are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8		* are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
*/		*/
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