/* * 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 #include #include #include #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_PRESENT 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_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