| /* |
| * 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 "../nfp_app.h" |
| |
| #define NFP_FLOWER_LAYER_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_LAYER_ETHER BIT(3) |
| #define NFP_FLOWER_LAYER_ARP BIT(4) |
| |
| #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_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 |
| |
| /* 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_NUM 32 |
| |
| #define NFP_FL_ACT_JMP_ID GENMASK(15, 8) |
| #define NFP_FL_ACT_LEN_LW GENMASK(7, 0) |
| |
| #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) |
| |
| struct nfp_fl_output { |
| __be16 a_op; |
| __be16 flags; |
| __be32 port; |
| }; |
| |
| struct nfp_fl_push_vlan { |
| __be16 a_op; |
| __be16 reserved; |
| __be16 vlan_tpid; |
| __be16 vlan_tci; |
| }; |
| |
| struct nfp_fl_pop_vlan { |
| __be16 a_op; |
| __be16 reserved; |
| }; |
| |
| /* Metadata without 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_layers | mask_id | reserved | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| struct nfp_flower_meta_one { |
| u8 nfp_flow_key_layer; |
| u8 mask_id; |
| u16 reserved; |
| }; |
| |
| /* 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_two { |
| u8 nfp_flow_key_layer; |
| u8 mask_id; |
| __be16 tci; |
| }; |
| |
| /* 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; |
| }; |
| |
| /* 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 | reserved | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | ipv4_addr_src | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | ipv4_addr_dst | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| struct nfp_flower_ipv4 { |
| u8 tos; |
| u8 proto; |
| u8 ttl; |
| u8 reserved; |
| __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 | reserved | |
| * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| * | 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 { |
| u8 tos; |
| u8 proto; |
| u8 ttl; |
| u8 reserved; |
| __be32 ipv6_flow_label_exthdr; |
| struct in6_addr ipv6_src; |
| struct in6_addr ipv6_dst; |
| }; |
| |
| /* 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_PORT_MOD = 8, |
| NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15, |
| NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16, |
| NFP_FLOWER_CMSG_TYPE_MAX = 32, |
| }; |
| |
| /* 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) |
| |
| 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, |
| }; |
| |
| 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; |
| } |
| |
| int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok); |
| 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); |
| |
| #endif |
