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kernel/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.h

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#ifndef _OPA_VNIC_ENCAP_H
#define _OPA_VNIC_ENCAP_H
/*
* Copyright(c) 2017 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* BSD LICENSE
*
* 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.
*
*/
/*
* This file contains all OPA VNIC declaration required for encapsulation
* and decapsulation of Ethernet packets
*/
#include <linux/types.h>
#include <rdma/ib_mad.h>
/* EMA class version */
#define OPA_EMA_CLASS_VERSION 0x80
/*
* Define the Intel vendor management class for OPA
* ETHERNET MANAGEMENT
*/
#define OPA_MGMT_CLASS_INTEL_EMA 0x34
/* EM attribute IDs */
#define OPA_EM_ATTR_CLASS_PORT_INFO 0x0001
#define OPA_EM_ATTR_VESWPORT_INFO 0x0011
#define OPA_EM_ATTR_VESWPORT_MAC_ENTRIES 0x0012
#define OPA_EM_ATTR_IFACE_UCAST_MACS 0x0013
#define OPA_EM_ATTR_IFACE_MCAST_MACS 0x0014
#define OPA_EM_ATTR_DELETE_VESW 0x0015
#define OPA_EM_ATTR_VESWPORT_SUMMARY_COUNTERS 0x0020
#define OPA_EM_ATTR_VESWPORT_ERROR_COUNTERS 0x0022
/* VNIC configured and operational state values */
#define OPA_VNIC_STATE_DROP_ALL 0x1
#define OPA_VNIC_STATE_FORWARDING 0x3
#define OPA_VESW_MAX_NUM_DEF_PORT 16
#define OPA_VNIC_MAX_NUM_PCP 8
#define OPA_VNIC_EMA_DATA (OPA_MGMT_MAD_SIZE - IB_MGMT_VENDOR_HDR)
/* Defines for vendor specific notice(trap) attributes */
#define OPA_INTEL_EMA_NOTICE_TYPE_INFO 0x04
/* INTEL OUI */
#define INTEL_OUI_1 0x00
#define INTEL_OUI_2 0x06
#define INTEL_OUI_3 0x6a
/* Trap opcodes sent from VNIC */
#define OPA_VESWPORT_TRAP_IFACE_UCAST_MAC_CHANGE 0x1
#define OPA_VESWPORT_TRAP_IFACE_MCAST_MAC_CHANGE 0x2
#define OPA_VESWPORT_TRAP_ETH_LINK_STATUS_CHANGE 0x3
#define OPA_VNIC_DLID_SD_IS_SRC_MAC(dlid_sd) (!!((dlid_sd) & 0x20))
#define OPA_VNIC_DLID_SD_GET_DLID(dlid_sd) ((dlid_sd) >> 8)
/* VNIC Ethernet link status */
#define OPA_VNIC_ETH_LINK_UP 1
#define OPA_VNIC_ETH_LINK_DOWN 2
/* routing control */
#define OPA_VNIC_ENCAP_RC_DEFAULT 0
#define OPA_VNIC_ENCAP_RC_IPV4 4
#define OPA_VNIC_ENCAP_RC_IPV4_UDP 8
#define OPA_VNIC_ENCAP_RC_IPV4_TCP 12
#define OPA_VNIC_ENCAP_RC_IPV6 16
#define OPA_VNIC_ENCAP_RC_IPV6_TCP 20
#define OPA_VNIC_ENCAP_RC_IPV6_UDP 24
#define OPA_VNIC_ENCAP_RC_EXT(w, b) (((w) >> OPA_VNIC_ENCAP_RC_ ## b) & 0x7)
/**
* struct opa_vesw_info - OPA vnic switch information
* @fabric_id: 10-bit fabric id
* @vesw_id: 12-bit virtual ethernet switch id
* @rsvd0: reserved bytes
* @def_port_mask: bitmask of default ports
* @rsvd1: reserved bytes
* @pkey: partition key
* @rsvd2: reserved bytes
* @u_mcast_dlid: unknown multicast dlid
* @u_ucast_dlid: array of unknown unicast dlids
* @rsvd3: reserved bytes
* @rc: routing control
* @eth_mtu: Ethernet MTU
* @rsvd4: reserved bytes
*/
struct opa_vesw_info {
__be16 fabric_id;
__be16 vesw_id;
u8 rsvd0[6];
__be16 def_port_mask;
u8 rsvd1[2];
__be16 pkey;
u8 rsvd2[4];
__be32 u_mcast_dlid;
__be32 u_ucast_dlid[OPA_VESW_MAX_NUM_DEF_PORT];
__be32 rc;
u8 rsvd3[56];
__be16 eth_mtu;
u8 rsvd4[2];
} __packed;
/**
* struct opa_per_veswport_info - OPA vnic per port information
* @port_num: port number
* @eth_link_status: current ethernet link state
* @rsvd0: reserved bytes
* @base_mac_addr: base mac address
* @config_state: configured port state
* @oper_state: operational port state
* @max_mac_tbl_ent: max number of mac table entries
* @max_smac_ent: max smac entries in mac table
* @mac_tbl_digest: mac table digest
* @rsvd1: reserved bytes
* @encap_slid: base slid for the port
* @pcp_to_sc_uc: sc by pcp index for unicast ethernet packets
* @pcp_to_vl_uc: vl by pcp index for unicast ethernet packets
* @pcp_to_sc_mc: sc by pcp index for multicast ethernet packets
* @pcp_to_vl_mc: vl by pcp index for multicast ethernet packets
* @non_vlan_sc_uc: sc for non-vlan unicast ethernet packets
* @non_vlan_vl_uc: vl for non-vlan unicast ethernet packets
* @non_vlan_sc_mc: sc for non-vlan multicast ethernet packets
* @non_vlan_vl_mc: vl for non-vlan multicast ethernet packets
* @rsvd2: reserved bytes
* @uc_macs_gen_count: generation count for unicast macs list
* @mc_macs_gen_count: generation count for multicast macs list
* @rsvd3: reserved bytes
*/
struct opa_per_veswport_info {
__be32 port_num;
u8 eth_link_status;
u8 rsvd0[3];
u8 base_mac_addr[ETH_ALEN];
u8 config_state;
u8 oper_state;
__be16 max_mac_tbl_ent;
__be16 max_smac_ent;
__be32 mac_tbl_digest;
u8 rsvd1[4];
__be32 encap_slid;
u8 pcp_to_sc_uc[OPA_VNIC_MAX_NUM_PCP];
u8 pcp_to_vl_uc[OPA_VNIC_MAX_NUM_PCP];
u8 pcp_to_sc_mc[OPA_VNIC_MAX_NUM_PCP];
u8 pcp_to_vl_mc[OPA_VNIC_MAX_NUM_PCP];
u8 non_vlan_sc_uc;
u8 non_vlan_vl_uc;
u8 non_vlan_sc_mc;
u8 non_vlan_vl_mc;
u8 rsvd2[48];
__be16 uc_macs_gen_count;
__be16 mc_macs_gen_count;
u8 rsvd3[8];
} __packed;
/**
* struct opa_veswport_info - OPA vnic port information
* @vesw: OPA vnic switch information
* @vport: OPA vnic per port information
*
* On host, each of the virtual ethernet ports belongs
* to a different virtual ethernet switches.
*/
struct opa_veswport_info {
struct opa_vesw_info vesw;
struct opa_per_veswport_info vport;
};
/**
* struct opa_veswport_mactable_entry - single entry in the forwarding table
* @mac_addr: MAC address
* @mac_addr_mask: MAC address bit mask
* @dlid_sd: Matching DLID and side data
*
* On the host each virtual ethernet port will have
* a forwarding table. These tables are used to
* map a MAC to a LID and other data. For more
* details see struct opa_veswport_mactable_entries.
* This is the structure of a single mactable entry
*/
struct opa_veswport_mactable_entry {
u8 mac_addr[ETH_ALEN];
u8 mac_addr_mask[ETH_ALEN];
__be32 dlid_sd;
} __packed;
/**
* struct opa_veswport_mactable - Forwarding table array
* @offset: mac table starting offset
* @num_entries: Number of entries to get or set
* @mac_tbl_digest: mac table digest
* @tbl_entries: Array of table entries
*
* The EM sends down this structure in a MAD indicating
* the starting offset in the forwarding table that this
* entry is to be loaded into and the number of entries
* that that this MAD instance contains
* The mac_tbl_digest has been added to this MAD structure. It will be set by
* the EM and it will be used by the EM to check if there are any
* discrepancies with this value and the value
* maintained by the EM in the case of VNIC port being deleted or unloaded
* A new instantiation of a VNIC will always have a value of zero.
* This value is stored as part of the vnic adapter structure and will be
* accessed by the GET and SET routines for both the mactable entries and the
* veswport info.
*/
struct opa_veswport_mactable {
__be16 offset;
__be16 num_entries;
__be32 mac_tbl_digest;
struct opa_veswport_mactable_entry tbl_entries[];
} __packed;
/**
* struct opa_veswport_summary_counters - summary counters
* @vp_instance: vport instance on the OPA port
* @vesw_id: virtual ethernet switch id
* @veswport_num: virtual ethernet switch port number
* @tx_errors: transmit errors
* @rx_errors: receive errors
* @tx_packets: transmit packets
* @rx_packets: receive packets
* @tx_bytes: transmit bytes
* @rx_bytes: receive bytes
* @tx_unicast: unicast packets transmitted
* @tx_mcastbcast: multicast/broadcast packets transmitted
* @tx_untagged: non-vlan packets transmitted
* @tx_vlan: vlan packets transmitted
* @tx_64_size: transmit packet length is 64 bytes
* @tx_65_127: transmit packet length is >=65 and < 127 bytes
* @tx_128_255: transmit packet length is >=128 and < 255 bytes
* @tx_256_511: transmit packet length is >=256 and < 511 bytes
* @tx_512_1023: transmit packet length is >=512 and < 1023 bytes
* @tx_1024_1518: transmit packet length is >=1024 and < 1518 bytes
* @tx_1519_max: transmit packet length >= 1519 bytes
* @rx_unicast: unicast packets received
* @rx_mcastbcast: multicast/broadcast packets received
* @rx_untagged: non-vlan packets received
* @rx_vlan: vlan packets received
* @rx_64_size: received packet length is 64 bytes
* @rx_65_127: received packet length is >=65 and < 127 bytes
* @rx_128_255: received packet length is >=128 and < 255 bytes
* @rx_256_511: received packet length is >=256 and < 511 bytes
* @rx_512_1023: received packet length is >=512 and < 1023 bytes
* @rx_1024_1518: received packet length is >=1024 and < 1518 bytes
* @rx_1519_max: received packet length >= 1519 bytes
* @reserved: reserved bytes
*
* All the above are counters of corresponding conditions.
*/
struct opa_veswport_summary_counters {
__be16 vp_instance;
__be16 vesw_id;
__be32 veswport_num;
__be64 tx_errors;
__be64 rx_errors;
__be64 tx_packets;
__be64 rx_packets;
__be64 tx_bytes;
__be64 rx_bytes;
__be64 tx_unicast;
__be64 tx_mcastbcast;
__be64 tx_untagged;
__be64 tx_vlan;
__be64 tx_64_size;
__be64 tx_65_127;
__be64 tx_128_255;
__be64 tx_256_511;
__be64 tx_512_1023;
__be64 tx_1024_1518;
__be64 tx_1519_max;
__be64 rx_unicast;
__be64 rx_mcastbcast;
__be64 rx_untagged;
__be64 rx_vlan;
__be64 rx_64_size;
__be64 rx_65_127;
__be64 rx_128_255;
__be64 rx_256_511;
__be64 rx_512_1023;
__be64 rx_1024_1518;
__be64 rx_1519_max;
__be64 reserved[16];
} __packed;
/**
* struct opa_veswport_error_counters - error counters
* @vp_instance: vport instance on the OPA port
* @vesw_id: virtual ethernet switch id
* @veswport_num: virtual ethernet switch port number
* @tx_errors: transmit errors
* @rx_errors: receive errors
* @rsvd0: reserved bytes
* @tx_smac_filt: smac filter errors
* @rsvd1: reserved bytes
* @rsvd2: reserved bytes
* @rsvd3: reserved bytes
* @tx_dlid_zero: transmit packets with invalid dlid
* @rsvd4: reserved bytes
* @tx_logic: other transmit errors
* @rsvd5: reserved bytes
* @tx_drop_state: packet tansmission in non-forward port state
* @rx_bad_veswid: received packet with invalid vesw id
* @rsvd6: reserved bytes
* @rx_runt: received ethernet packet with length < 64 bytes
* @rx_oversize: received ethernet packet with length > MTU size
* @rsvd7: reserved bytes
* @rx_eth_down: received packets when interface is down
* @rx_drop_state: received packets in non-forwarding port state
* @rx_logic: other receive errors
* @rsvd8: reserved bytes
* @rsvd9: reserved bytes
*
* All the above are counters of corresponding error conditions.
*/
struct opa_veswport_error_counters {
__be16 vp_instance;
__be16 vesw_id;
__be32 veswport_num;
__be64 tx_errors;
__be64 rx_errors;
__be64 rsvd0;
__be64 tx_smac_filt;
__be64 rsvd1;
__be64 rsvd2;
__be64 rsvd3;
__be64 tx_dlid_zero;
__be64 rsvd4;
__be64 tx_logic;
__be64 rsvd5;
__be64 tx_drop_state;
__be64 rx_bad_veswid;
__be64 rsvd6;
__be64 rx_runt;
__be64 rx_oversize;
__be64 rsvd7;
__be64 rx_eth_down;
__be64 rx_drop_state;
__be64 rx_logic;
__be64 rsvd8;
__be64 rsvd9[16];
} __packed;
/**
* struct opa_veswport_trap - Trap message sent to EM by VNIC
* @fabric_id: 10 bit fabric id
* @veswid: 12 bit virtual ethernet switch id
* @veswportnum: logical port number on the Virtual switch
* @opaportnum: physical port num (redundant on host)
* @veswportindex: switch port index on opa port 0 based
* @opcode: operation
* @reserved: 32 bit for alignment
*
* The VNIC will send trap messages to the Ethernet manager to
* inform it about changes to the VNIC config, behaviour etc.
* This is the format of the trap payload.
*/
struct opa_veswport_trap {
__be16 fabric_id;
__be16 veswid;
__be32 veswportnum;
__be16 opaportnum;
u8 veswportindex;
u8 opcode;
__be32 reserved;
} __packed;
/**
* struct opa_vnic_iface_mac_entry - single entry in the mac list
* @mac_addr: MAC address
*/
struct opa_vnic_iface_mac_entry {
u8 mac_addr[ETH_ALEN];
};
/**
* struct opa_veswport_iface_macs - Msg to set globally administered MAC
* @start_idx: position of first entry (0 based)
* @num_macs_in_msg: number of MACs in this message
* @tot_macs_in_lst: The total number of MACs the agent has
* @gen_count: gen_count to indicate change
* @entry: The mac list entry
*
* Same attribute IDS and attribute modifiers as in locally administered
* addresses used to set globally administered addresses
*/
struct opa_veswport_iface_macs {
__be16 start_idx;
__be16 num_macs_in_msg;
__be16 tot_macs_in_lst;
__be16 gen_count;
struct opa_vnic_iface_mac_entry entry[];
} __packed;
/**
* struct opa_vnic_vema_mad - Generic VEMA MAD
* @mad_hdr: Generic MAD header
* @rmpp_hdr: RMPP header for vendor specific MADs
* @reserved: reserved bytes
* @oui: Unique org identifier
* @data: MAD data
*/
struct opa_vnic_vema_mad {
struct ib_mad_hdr mad_hdr;
struct ib_rmpp_hdr rmpp_hdr;
u8 reserved;
u8 oui[3];
u8 data[OPA_VNIC_EMA_DATA];
};
/**
* struct opa_vnic_notice_attr - Generic Notice MAD
* @gen_type: Generic/Specific bit and type of notice
* @oui_1: Vendor ID byte 1
* @oui_2: Vendor ID byte 2
* @oui_3: Vendor ID byte 3
* @trap_num: Trap number
* @toggle_count: Notice toggle bit and count value
* @issuer_lid: Trap issuer's lid
* @reserved: reserved bytes
* @issuer_gid: Issuer GID (only if Report method)
* @raw_data: Trap message body
*/
struct opa_vnic_notice_attr {
u8 gen_type;
u8 oui_1;
u8 oui_2;
u8 oui_3;
__be16 trap_num;
__be16 toggle_count;
__be32 issuer_lid;
__be32 reserved;
u8 issuer_gid[16];
u8 raw_data[64];
} __packed;
/**
* struct opa_vnic_vema_mad_trap - Generic VEMA MAD Trap
* @mad_hdr: Generic MAD header
* @rmpp_hdr: RMPP header for vendor specific MADs
* @reserved: reserved bytes
* @oui: Unique org identifier
* @notice: Notice structure
*/
struct opa_vnic_vema_mad_trap {
struct ib_mad_hdr mad_hdr;
struct ib_rmpp_hdr rmpp_hdr;
u8 reserved;
u8 oui[3];
struct opa_vnic_notice_attr notice;
};
#endif /* _OPA_VNIC_ENCAP_H */
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