drivers/net/ethernet/netronome/nfp/flower/cmsg.h - linux - Git at Google

 /*
  * Copyright (C) 2017 Netronome Systems, Inc.
  *
  * This software is dual licensed under the GNU General License Version 2,
  * June 1991 as shown in the file COPYING in the top-level directory of this
  * source tree or the BSD 2-Clause License provided below.  You have the
  * option to license this software under the complete terms of either license.
  *
  * The BSD 2-Clause License:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      1. Redistributions of source code must retain the above
  *         copyright notice, this list of conditions and the following
  *         disclaimer.
  *
  *      2. 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.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #ifndef NFP_FLOWER_CMSG_H
 #define NFP_FLOWER_CMSG_H

 #include <linux/bitfield.h>
 #include <linux/skbuff.h>
 #include <linux/types.h>
 #include <net/geneve.h>

 #include "../nfp_app.h"
 #include "../nfpcore/nfp_cpp.h"

 #define NFP_FLOWER_LAYER_EXT_META	BIT(0)
 #define NFP_FLOWER_LAYER_PORT		BIT(1)
 #define NFP_FLOWER_LAYER_MAC		BIT(2)
 #define NFP_FLOWER_LAYER_TP		BIT(3)
 #define NFP_FLOWER_LAYER_IPV4		BIT(4)
 #define NFP_FLOWER_LAYER_IPV6		BIT(5)
 #define NFP_FLOWER_LAYER_CT		BIT(6)
 #define NFP_FLOWER_LAYER_VXLAN		BIT(7)

 #define NFP_FLOWER_LAYER2_GENEVE	BIT(5)
 #define NFP_FLOWER_LAYER2_GENEVE_OP	BIT(6)

 #define NFP_FLOWER_MASK_VLAN_PRIO	GENMASK(15, 13)
 #define NFP_FLOWER_MASK_VLAN_CFI	BIT(12)
 #define NFP_FLOWER_MASK_VLAN_VID	GENMASK(11, 0)

 #define NFP_FLOWER_MASK_MPLS_LB		GENMASK(31, 12)
 #define NFP_FLOWER_MASK_MPLS_TC		GENMASK(11, 9)
 #define NFP_FLOWER_MASK_MPLS_BOS	BIT(8)
 #define NFP_FLOWER_MASK_MPLS_Q		BIT(0)

 #define NFP_FL_IP_FRAG_FIRST		BIT(7)
 #define NFP_FL_IP_FRAGMENTED		BIT(6)

 /* Compressed HW representation of TCP Flags */
 #define NFP_FL_TCP_FLAG_URG		BIT(4)
 #define NFP_FL_TCP_FLAG_PSH		BIT(3)
 #define NFP_FL_TCP_FLAG_RST		BIT(2)
 #define NFP_FL_TCP_FLAG_SYN		BIT(1)
 #define NFP_FL_TCP_FLAG_FIN		BIT(0)

 #define NFP_FL_SC_ACT_DROP		0x80000000
 #define NFP_FL_SC_ACT_USER		0x7D000000
 #define NFP_FL_SC_ACT_POPV		0x6A000000
 #define NFP_FL_SC_ACT_NULL		0x00000000

 /* The maximum action list size (in bytes) supported by the NFP.
  */
 #define NFP_FL_MAX_A_SIZ		1216
 #define NFP_FL_LW_SIZ			2

 /* Maximum allowed geneve options */
 #define NFP_FL_MAX_GENEVE_OPT_ACT	32
 #define NFP_FL_MAX_GENEVE_OPT_CNT	64
 #define NFP_FL_MAX_GENEVE_OPT_KEY	32

 /* Action opcodes */
 #define NFP_FL_ACTION_OPCODE_OUTPUT		0
 #define NFP_FL_ACTION_OPCODE_PUSH_VLAN		1
 #define NFP_FL_ACTION_OPCODE_POP_VLAN		2
 #define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL	6
 #define NFP_FL_ACTION_OPCODE_SET_ETHERNET	7
 #define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS	9
 #define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC	11
 #define NFP_FL_ACTION_OPCODE_SET_IPV6_DST	12
 #define NFP_FL_ACTION_OPCODE_SET_UDP		14
 #define NFP_FL_ACTION_OPCODE_SET_TCP		15
 #define NFP_FL_ACTION_OPCODE_PRE_LAG		16
 #define NFP_FL_ACTION_OPCODE_PRE_TUNNEL		17
 #define NFP_FL_ACTION_OPCODE_PUSH_GENEVE	26
 #define NFP_FL_ACTION_OPCODE_NUM		32

 #define NFP_FL_OUT_FLAGS_LAST		BIT(15)
 #define NFP_FL_OUT_FLAGS_USE_TUN	BIT(4)
 #define NFP_FL_OUT_FLAGS_TYPE_IDX	GENMASK(2, 0)

 #define NFP_FL_PUSH_VLAN_PRIO		GENMASK(15, 13)
 #define NFP_FL_PUSH_VLAN_CFI		BIT(12)
 #define NFP_FL_PUSH_VLAN_VID		GENMASK(11, 0)

 /* LAG ports */
 #define NFP_FL_LAG_OUT			0xC0DE0000

 /* Tunnel ports */
 #define NFP_FL_PORT_TYPE_TUN		0x50000000
 #define NFP_FL_IPV4_TUNNEL_TYPE		GENMASK(7, 4)
 #define NFP_FL_IPV4_PRE_TUN_INDEX	GENMASK(2, 0)

 #define NFP_FLOWER_WORKQ_MAX_SKBS	30000

 #define nfp_flower_cmsg_warn(app, fmt, args...)                         \
 	do {                                                            \
 		if (net_ratelimit())                                    \
 			nfp_warn((app)->cpp, fmt, ## args);             \
 	} while (0)

 enum nfp_flower_tun_type {
 	NFP_FL_TUNNEL_NONE =	0,
 	NFP_FL_TUNNEL_VXLAN =	2,
 	NFP_FL_TUNNEL_GENEVE =	4,
 };

 struct nfp_fl_act_head {
 	u8 jump_id;
 	u8 len_lw;
 };

 struct nfp_fl_set_eth {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	u8 eth_addr_mask[ETH_ALEN * 2];
 	u8 eth_addr_val[ETH_ALEN * 2];
 };

 struct nfp_fl_set_ip4_addrs {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	__be32 ipv4_src_mask;
 	__be32 ipv4_src;
 	__be32 ipv4_dst_mask;
 	__be32 ipv4_dst;
 };

 struct nfp_fl_set_ipv6_addr {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	struct {
 		__be32 mask;
 		__be32 exact;
 	} ipv6[4];
 };

 struct nfp_fl_set_tport {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	u8 tp_port_mask[4];
 	u8 tp_port_val[4];
 };

 struct nfp_fl_output {
 	struct nfp_fl_act_head head;
 	__be16 flags;
 	__be32 port;
 };

 struct nfp_fl_push_vlan {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	__be16 vlan_tpid;
 	__be16 vlan_tci;
 };

 struct nfp_fl_pop_vlan {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 };

 struct nfp_fl_pre_lag {
 	struct nfp_fl_act_head head;
 	__be16 group_id;
 	u8 lag_version[3];
 	u8 instance;
 };

 #define NFP_FL_PRE_LAG_VER_OFF	8

 struct nfp_fl_pre_tunnel {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	__be32 ipv4_dst;
 	/* reserved for use with IPv6 addresses */
 	__be32 extra[3];
 };

 struct nfp_fl_set_ipv4_udp_tun {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	__be64 tun_id __packed;
 	__be32 tun_type_index;
 	__be16 tun_flags;
 	u8 ttl;
 	u8 tos;
 	__be32 extra;
 	u8 tun_len;
 	u8 res2;
 	__be16 tun_proto;
 };

 struct nfp_fl_push_geneve {
 	struct nfp_fl_act_head head;
 	__be16 reserved;
 	__be16 class;
 	u8 type;
 	u8 length;
 	u8 opt_data[];
 };

 /* Metadata with L2 (1W/4B)
  * ----------------------------------------------------------------
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |    key_type   |    mask_id    | PCP |p|   vlan outermost VID  |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  *                                 ^                               ^
  *                           NOTE: |             TCI               |
  *                                 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_meta_tci {
 	u8 nfp_flow_key_layer;
 	u8 mask_id;
 	__be16 tci;
 };

 /* Extended metadata for additional key_layers (1W/4B)
  * ----------------------------------------------------------------
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                      nfp_flow_key_layer2                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_ext_meta {
 	__be32 nfp_flow_key_layer2;
 };

 /* Port details (1W/4B)
  * ----------------------------------------------------------------
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                         port_ingress                          |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_in_port {
 	__be32 in_port;
 };

 /* L2 details (4W/16B)
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                     mac_addr_dst, 31 - 0                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |      mac_addr_dst, 47 - 32    |     mac_addr_src, 15 - 0      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                     mac_addr_src, 47 - 16                     |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |       mpls outermost label            |  TC |B|   reserved  |q|
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_mac_mpls {
 	u8 mac_dst[6];
 	u8 mac_src[6];
 	__be32 mpls_lse;
 };

 /* L4 ports (for UDP, TCP, SCTP) (1W/4B)
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |            port_src           |           port_dst            |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_tp_ports {
 	__be16 port_src;
 	__be16 port_dst;
 };

 struct nfp_flower_ip_ext {
 	u8 tos;
 	u8 proto;
 	u8 ttl;
 	u8 flags;
 };

 /* L3 IPv4 details (3W/12B)
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |    DSCP   |ECN|   protocol    |      ttl      |     flags     |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                        ipv4_addr_src                          |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                        ipv4_addr_dst                          |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_ipv4 {
 	struct nfp_flower_ip_ext ip_ext;
 	__be32 ipv4_src;
 	__be32 ipv4_dst;
 };

 /* L3 IPv6 details (10W/40B)
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |    DSCP   |ECN|   protocol    |      ttl      |     flags     |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |   ipv6_exthdr   | res |            ipv6_flow_label            |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_src,   31 - 0                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_src,  63 - 32                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_src,  95 - 64                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_src, 127 - 96                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_dst,   31 - 0                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_dst,  63 - 32                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_dst,  95 - 64                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                  ipv6_addr_dst, 127 - 96                      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_ipv6 {
 	struct nfp_flower_ip_ext ip_ext;
 	__be32 ipv6_flow_label_exthdr;
 	struct in6_addr ipv6_src;
 	struct in6_addr ipv6_dst;
 };

 /* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B)
  * -----------------------------------------------------------------
  *    3                   2                   1
  *  1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                         ipv4_addr_src                         |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                         ipv4_addr_dst                         |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |           Reserved            |      tos      |      ttl      |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                            Reserved                           |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  * |                     VNI                       |   Reserved    |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  */
 struct nfp_flower_ipv4_udp_tun {
 	__be32 ip_src;
 	__be32 ip_dst;
 	__be16 reserved1;
 	u8 tos;
 	u8 ttl;
 	__be32 reserved2;
 	__be32 tun_id;
 };

 struct nfp_flower_geneve_options {
 	u8 data[NFP_FL_MAX_GENEVE_OPT_KEY];
 };

 #define NFP_FL_TUN_VNI_OFFSET 8

 /* The base header for a control message packet.
  * Defines an 8-bit version, and an 8-bit type, padded
  * to a 32-bit word. Rest of the packet is type-specific.
  */
 struct nfp_flower_cmsg_hdr {
 	__be16 pad;
 	u8 type;
 	u8 version;
 };

 #define NFP_FLOWER_CMSG_HLEN		sizeof(struct nfp_flower_cmsg_hdr)
 #define NFP_FLOWER_CMSG_VER1		1

 /* Types defined for port related control messages  */
 enum nfp_flower_cmsg_type_port {
 	NFP_FLOWER_CMSG_TYPE_FLOW_ADD =		0,
 	NFP_FLOWER_CMSG_TYPE_FLOW_DEL =		2,
 	NFP_FLOWER_CMSG_TYPE_LAG_CONFIG =	4,
 	NFP_FLOWER_CMSG_TYPE_PORT_REIFY =	6,
 	NFP_FLOWER_CMSG_TYPE_MAC_REPR =		7,
 	NFP_FLOWER_CMSG_TYPE_PORT_MOD =		8,
 	NFP_FLOWER_CMSG_TYPE_NO_NEIGH =		10,
 	NFP_FLOWER_CMSG_TYPE_TUN_MAC =		11,
 	NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS =	12,
 	NFP_FLOWER_CMSG_TYPE_TUN_NEIGH =	13,
 	NFP_FLOWER_CMSG_TYPE_TUN_IPS =		14,
 	NFP_FLOWER_CMSG_TYPE_FLOW_STATS =	15,
 	NFP_FLOWER_CMSG_TYPE_PORT_ECHO =	16,
 	NFP_FLOWER_CMSG_TYPE_MAX =		32,
 };

 /* NFP_FLOWER_CMSG_TYPE_MAC_REPR */
 struct nfp_flower_cmsg_mac_repr {
 	u8 reserved[3];
 	u8 num_ports;
 	struct {
 		u8 idx;
 		u8 info;
 		u8 nbi_port;
 		u8 phys_port;
 	} ports[0];
 };

 #define NFP_FLOWER_CMSG_MAC_REPR_NBI		GENMASK(1, 0)

 /* NFP_FLOWER_CMSG_TYPE_PORT_MOD */
 struct nfp_flower_cmsg_portmod {
 	__be32 portnum;
 	u8 reserved;
 	u8 info;
 	__be16 mtu;
 };

 #define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK	BIT(0)
 #define NFP_FLOWER_CMSG_PORTMOD_MTU_CHANGE_ONLY	BIT(1)

 /* NFP_FLOWER_CMSG_TYPE_PORT_REIFY */
 struct nfp_flower_cmsg_portreify {
 	__be32 portnum;
 	u16 reserved;
 	__be16 info;
 };

 #define NFP_FLOWER_CMSG_PORTREIFY_INFO_EXIST	BIT(0)

 enum nfp_flower_cmsg_port_type {
 	NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC =	0x0,
 	NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT =	0x1,
 	NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT =	0x2,
 	NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT =  0x3,
 };

 enum nfp_flower_cmsg_port_vnic_type {
 	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF =	0x0,
 	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF =	0x1,
 	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL =	0x2,
 };

 #define NFP_FLOWER_CMSG_PORT_TYPE		GENMASK(31, 28)
 #define NFP_FLOWER_CMSG_PORT_SYS_ID		GENMASK(27, 24)
 #define NFP_FLOWER_CMSG_PORT_NFP_ID		GENMASK(23, 22)
 #define NFP_FLOWER_CMSG_PORT_PCI		GENMASK(15, 14)
 #define NFP_FLOWER_CMSG_PORT_VNIC_TYPE		GENMASK(13, 12)
 #define NFP_FLOWER_CMSG_PORT_VNIC		GENMASK(11, 6)
 #define NFP_FLOWER_CMSG_PORT_PCIE_Q		GENMASK(5, 0)
 #define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM	GENMASK(7, 0)

 static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port)
 {
 	return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) |
 		FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
 			   NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT);
 }

 static inline u32
 nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type,
 			  u8 vnic, u8 q)
 {
 	return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) |
 		FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) |
 		FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) |
 		FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) |
 		FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
 			   NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT);
 }

 static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb)
 {
 	return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN;
 }

 static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb)
 {
 	return skb->len - NFP_FLOWER_CMSG_HLEN;
 }

 struct sk_buff *
 nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports);
 void
 nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx,
 			     unsigned int nbi, unsigned int nbi_port,
 			     unsigned int phys_port);
 int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok,
 			    unsigned int mtu, bool mtu_only);
 int nfp_flower_cmsg_portreify(struct nfp_repr *repr, bool exists);
 void nfp_flower_cmsg_process_rx(struct work_struct *work);
 void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb);
 struct sk_buff *
 nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size,
 		      enum nfp_flower_cmsg_type_port type, gfp_t flag);

 #endif
	/*
	* Copyright (C) 2017 Netronome Systems, Inc.
	*
	* This software is dual licensed under the GNU General License Version 2,
	* June 1991 as shown in the file COPYING in the top-level directory of this
	* source tree or the BSD 2-Clause License provided below. You have the
	* option to license this software under the complete terms of either license.
	*
	* The BSD 2-Clause License:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* 1. Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* 2. 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.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#ifndef NFP_FLOWER_CMSG_H
	#define NFP_FLOWER_CMSG_H

	#include <linux/bitfield.h>
	#include <linux/skbuff.h>
	#include <linux/types.h>
	#include <net/geneve.h>

	#include "../nfp_app.h"
	#include "../nfpcore/nfp_cpp.h"

	#define NFP_FLOWER_LAYER_EXT_META BIT(0)
	#define NFP_FLOWER_LAYER_PORT BIT(1)
	#define NFP_FLOWER_LAYER_MAC BIT(2)
	#define NFP_FLOWER_LAYER_TP BIT(3)
	#define NFP_FLOWER_LAYER_IPV4 BIT(4)
	#define NFP_FLOWER_LAYER_IPV6 BIT(5)
	#define NFP_FLOWER_LAYER_CT BIT(6)
	#define NFP_FLOWER_LAYER_VXLAN BIT(7)

	#define NFP_FLOWER_LAYER2_GENEVE BIT(5)
	#define NFP_FLOWER_LAYER2_GENEVE_OP BIT(6)

	#define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13)
	#define NFP_FLOWER_MASK_VLAN_CFI BIT(12)
	#define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0)

	#define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12)
	#define NFP_FLOWER_MASK_MPLS_TC GENMASK(11, 9)
	#define NFP_FLOWER_MASK_MPLS_BOS BIT(8)
	#define NFP_FLOWER_MASK_MPLS_Q BIT(0)

	#define NFP_FL_IP_FRAG_FIRST BIT(7)
	#define NFP_FL_IP_FRAGMENTED BIT(6)

	/* Compressed HW representation of TCP Flags */
	#define NFP_FL_TCP_FLAG_URG BIT(4)
	#define NFP_FL_TCP_FLAG_PSH BIT(3)
	#define NFP_FL_TCP_FLAG_RST BIT(2)
	#define NFP_FL_TCP_FLAG_SYN BIT(1)
	#define NFP_FL_TCP_FLAG_FIN BIT(0)

	#define NFP_FL_SC_ACT_DROP 0x80000000
	#define NFP_FL_SC_ACT_USER 0x7D000000
	#define NFP_FL_SC_ACT_POPV 0x6A000000
	#define NFP_FL_SC_ACT_NULL 0x00000000

	/* The maximum action list size (in bytes) supported by the NFP.
	*/
	#define NFP_FL_MAX_A_SIZ 1216
	#define NFP_FL_LW_SIZ 2

	/* Maximum allowed geneve options */
	#define NFP_FL_MAX_GENEVE_OPT_ACT 32
	#define NFP_FL_MAX_GENEVE_OPT_CNT 64
	#define NFP_FL_MAX_GENEVE_OPT_KEY 32

	/* Action opcodes */
	#define NFP_FL_ACTION_OPCODE_OUTPUT 0
	#define NFP_FL_ACTION_OPCODE_PUSH_VLAN 1
	#define NFP_FL_ACTION_OPCODE_POP_VLAN 2
	#define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL 6
	#define NFP_FL_ACTION_OPCODE_SET_ETHERNET 7
	#define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9
	#define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11
	#define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12
	#define NFP_FL_ACTION_OPCODE_SET_UDP 14
	#define NFP_FL_ACTION_OPCODE_SET_TCP 15
	#define NFP_FL_ACTION_OPCODE_PRE_LAG 16
	#define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17
	#define NFP_FL_ACTION_OPCODE_PUSH_GENEVE 26
	#define NFP_FL_ACTION_OPCODE_NUM 32

	#define NFP_FL_OUT_FLAGS_LAST BIT(15)
	#define NFP_FL_OUT_FLAGS_USE_TUN BIT(4)
	#define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0)

	#define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13)
	#define NFP_FL_PUSH_VLAN_CFI BIT(12)
	#define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0)

	/* LAG ports */
	#define NFP_FL_LAG_OUT 0xC0DE0000

	/* Tunnel ports */
	#define NFP_FL_PORT_TYPE_TUN 0x50000000
	#define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4)
	#define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0)

	#define NFP_FLOWER_WORKQ_MAX_SKBS 30000

	#define nfp_flower_cmsg_warn(app, fmt, args...) \
	do { \
	if (net_ratelimit()) \
	nfp_warn((app)->cpp, fmt, ## args); \
	} while (0)

	enum nfp_flower_tun_type {
	NFP_FL_TUNNEL_NONE = 0,
	NFP_FL_TUNNEL_VXLAN = 2,
	NFP_FL_TUNNEL_GENEVE = 4,
	};

	struct nfp_fl_act_head {
	u8 jump_id;
	u8 len_lw;
	};

	struct nfp_fl_set_eth {
	struct nfp_fl_act_head head;
	__be16 reserved;
	u8 eth_addr_mask[ETH_ALEN * 2];
	u8 eth_addr_val[ETH_ALEN * 2];
	};

	struct nfp_fl_set_ip4_addrs {
	struct nfp_fl_act_head head;
	__be16 reserved;
	__be32 ipv4_src_mask;
	__be32 ipv4_src;
	__be32 ipv4_dst_mask;
	__be32 ipv4_dst;
	};

	struct nfp_fl_set_ipv6_addr {
	struct nfp_fl_act_head head;
	__be16 reserved;
	struct {
	__be32 mask;
	__be32 exact;
	} ipv6[4];
	};

	struct nfp_fl_set_tport {
	struct nfp_fl_act_head head;
	__be16 reserved;
	u8 tp_port_mask[4];
	u8 tp_port_val[4];
	};

	struct nfp_fl_output {
	struct nfp_fl_act_head head;
	__be16 flags;
	__be32 port;
	};

	struct nfp_fl_push_vlan {
	struct nfp_fl_act_head head;
	__be16 reserved;
	__be16 vlan_tpid;
	__be16 vlan_tci;
	};

	struct nfp_fl_pop_vlan {
	struct nfp_fl_act_head head;
	__be16 reserved;
	};

	struct nfp_fl_pre_lag {
	struct nfp_fl_act_head head;
	__be16 group_id;
	u8 lag_version[3];
	u8 instance;
	};

	#define NFP_FL_PRE_LAG_VER_OFF 8

	struct nfp_fl_pre_tunnel {
	struct nfp_fl_act_head head;
	__be16 reserved;
	__be32 ipv4_dst;
	/* reserved for use with IPv6 addresses */
	__be32 extra[3];
	};

	struct nfp_fl_set_ipv4_udp_tun {
	struct nfp_fl_act_head head;
	__be16 reserved;
	__be64 tun_id __packed;
	__be32 tun_type_index;
	__be16 tun_flags;
	u8 ttl;
	u8 tos;
	__be32 extra;
	u8 tun_len;
	u8 res2;
	__be16 tun_proto;
	};

	struct nfp_fl_push_geneve {
	struct nfp_fl_act_head head;
	__be16 reserved;
	__be16 class;
	u8 type;
	u8 length;
	u8 opt_data[];
	};

	/* Metadata with L2 (1W/4B)
	* ----------------------------------------------------------------
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| key_type \| mask_id \| PCP \|p\| vlan outermost VID \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* ^ ^
	* NOTE: \| TCI \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_meta_tci {
	u8 nfp_flow_key_layer;
	u8 mask_id;
	__be16 tci;
	};

	/* Extended metadata for additional key_layers (1W/4B)
	* ----------------------------------------------------------------
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| nfp_flow_key_layer2 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_ext_meta {
	__be32 nfp_flow_key_layer2;
	};

	/* Port details (1W/4B)
	* ----------------------------------------------------------------
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| port_ingress \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_in_port {
	__be32 in_port;
	};

	/* L2 details (4W/16B)
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| mac_addr_dst, 31 - 0 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| mac_addr_dst, 47 - 32 \| mac_addr_src, 15 - 0 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| mac_addr_src, 47 - 16 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| mpls outermost label \| TC \|B\| reserved \|q\|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_mac_mpls {
	u8 mac_dst[6];
	u8 mac_src[6];
	__be32 mpls_lse;
	};

	/* L4 ports (for UDP, TCP, SCTP) (1W/4B)
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| port_src \| port_dst \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_tp_ports {
	__be16 port_src;
	__be16 port_dst;
	};

	struct nfp_flower_ip_ext {
	u8 tos;
	u8 proto;
	u8 ttl;
	u8 flags;
	};

	/* L3 IPv4 details (3W/12B)
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| DSCP \|ECN\| protocol \| ttl \| flags \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv4_addr_src \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv4_addr_dst \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_ipv4 {
	struct nfp_flower_ip_ext ip_ext;
	__be32 ipv4_src;
	__be32 ipv4_dst;
	};

	/* L3 IPv6 details (10W/40B)
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| DSCP \|ECN\| protocol \| ttl \| flags \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_exthdr \| res \| ipv6_flow_label \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_src, 31 - 0 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_src, 63 - 32 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_src, 95 - 64 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_src, 127 - 96 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_dst, 31 - 0 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_dst, 63 - 32 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_dst, 95 - 64 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv6_addr_dst, 127 - 96 \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_ipv6 {
	struct nfp_flower_ip_ext ip_ext;
	__be32 ipv6_flow_label_exthdr;
	struct in6_addr ipv6_src;
	struct in6_addr ipv6_dst;
	};

	/* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B)
	* -----------------------------------------------------------------
	* 3 2 1
	* 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv4_addr_src \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| ipv4_addr_dst \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| Reserved \| tos \| ttl \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| Reserved \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	* \| VNI \| Reserved \|
	* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
	*/
	struct nfp_flower_ipv4_udp_tun {
	__be32 ip_src;
	__be32 ip_dst;
	__be16 reserved1;
	u8 tos;
	u8 ttl;
	__be32 reserved2;
	__be32 tun_id;
	};

	struct nfp_flower_geneve_options {
	u8 data[NFP_FL_MAX_GENEVE_OPT_KEY];
	};

	#define NFP_FL_TUN_VNI_OFFSET 8

	/* The base header for a control message packet.
	* Defines an 8-bit version, and an 8-bit type, padded
	* to a 32-bit word. Rest of the packet is type-specific.
	*/
	struct nfp_flower_cmsg_hdr {
	__be16 pad;
	u8 type;
	u8 version;
	};

	#define NFP_FLOWER_CMSG_HLEN sizeof(struct nfp_flower_cmsg_hdr)
	#define NFP_FLOWER_CMSG_VER1 1

	/* Types defined for port related control messages */
	enum nfp_flower_cmsg_type_port {
	NFP_FLOWER_CMSG_TYPE_FLOW_ADD = 0,
	NFP_FLOWER_CMSG_TYPE_FLOW_DEL = 2,
	NFP_FLOWER_CMSG_TYPE_LAG_CONFIG = 4,
	NFP_FLOWER_CMSG_TYPE_PORT_REIFY = 6,
	NFP_FLOWER_CMSG_TYPE_MAC_REPR = 7,
	NFP_FLOWER_CMSG_TYPE_PORT_MOD = 8,
	NFP_FLOWER_CMSG_TYPE_NO_NEIGH = 10,
	NFP_FLOWER_CMSG_TYPE_TUN_MAC = 11,
	NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS = 12,
	NFP_FLOWER_CMSG_TYPE_TUN_NEIGH = 13,
	NFP_FLOWER_CMSG_TYPE_TUN_IPS = 14,
	NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15,
	NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16,
	NFP_FLOWER_CMSG_TYPE_MAX = 32,
	};

	/* NFP_FLOWER_CMSG_TYPE_MAC_REPR */
	struct nfp_flower_cmsg_mac_repr {
	u8 reserved[3];
	u8 num_ports;
	struct {
	u8 idx;
	u8 info;
	u8 nbi_port;
	u8 phys_port;
	} ports[0];
	};

	#define NFP_FLOWER_CMSG_MAC_REPR_NBI GENMASK(1, 0)

	/* NFP_FLOWER_CMSG_TYPE_PORT_MOD */
	struct nfp_flower_cmsg_portmod {
	__be32 portnum;
	u8 reserved;
	u8 info;
	__be16 mtu;
	};

	#define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK BIT(0)
	#define NFP_FLOWER_CMSG_PORTMOD_MTU_CHANGE_ONLY BIT(1)

	/* NFP_FLOWER_CMSG_TYPE_PORT_REIFY */
	struct nfp_flower_cmsg_portreify {
	__be32 portnum;
	u16 reserved;
	__be16 info;
	};

	#define NFP_FLOWER_CMSG_PORTREIFY_INFO_EXIST BIT(0)

	enum nfp_flower_cmsg_port_type {
	NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC = 0x0,
	NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT = 0x1,
	NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT = 0x2,
	NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT = 0x3,
	};

	enum nfp_flower_cmsg_port_vnic_type {
	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF = 0x0,
	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF = 0x1,
	NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL = 0x2,
	};

	#define NFP_FLOWER_CMSG_PORT_TYPE GENMASK(31, 28)
	#define NFP_FLOWER_CMSG_PORT_SYS_ID GENMASK(27, 24)
	#define NFP_FLOWER_CMSG_PORT_NFP_ID GENMASK(23, 22)
	#define NFP_FLOWER_CMSG_PORT_PCI GENMASK(15, 14)
	#define NFP_FLOWER_CMSG_PORT_VNIC_TYPE GENMASK(13, 12)
	#define NFP_FLOWER_CMSG_PORT_VNIC GENMASK(11, 6)
	#define NFP_FLOWER_CMSG_PORT_PCIE_Q GENMASK(5, 0)
	#define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM GENMASK(7, 0)

	static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port)
	{
	return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) \|
	FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
	NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT);
	}

	static inline u32
	nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type,
	u8 vnic, u8 q)
	{
	return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) \|
	FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) \|
	FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) \|
	FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) \|
	FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE,
	NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT);
	}

	static inline void nfp_flower_cmsg_get_data(struct sk_buff skb)
	{
	return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN;
	}

	static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb)
	{
	return skb->len - NFP_FLOWER_CMSG_HLEN;
	}

	struct sk_buff *
	nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports);
	void
	nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx,
	unsigned int nbi, unsigned int nbi_port,
	unsigned int phys_port);
	int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok,
	unsigned int mtu, bool mtu_only);
	int nfp_flower_cmsg_portreify(struct nfp_repr *repr, bool exists);
	void nfp_flower_cmsg_process_rx(struct work_struct *work);
	void nfp_flower_cmsg_rx(struct nfp_app app, struct sk_buff skb);
	struct sk_buff *
	nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size,
	enum nfp_flower_cmsg_type_port type, gfp_t flag);

	#endif