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-rw-r--r--src/vnet/ethernet/arp_packet.h173
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diff --git a/src/vnet/ethernet/arp_packet.h b/src/vnet/ethernet/arp_packet.h
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+/*
+ * ethernet/arp.c: IP v4 ARP node
+ *
+ * Copyright (c) 2010 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_ethernet_arp_packet_h
+#define included_ethernet_arp_packet_h
+
+#define foreach_ethernet_arp_hardware_type \
+ _ (0, reserved) \
+ _ (1, ethernet) \
+ _ (2, experimental_ethernet) \
+ _ (3, ax_25) \
+ _ (4, proteon_pronet_token_ring) \
+ _ (5, chaos) \
+ _ (6, ieee_802) \
+ _ (7, arcnet) \
+ _ (8, hyperchannel) \
+ _ (9, lanstar) \
+ _ (10, autonet) \
+ _ (11, localtalk) \
+ _ (12, localnet) \
+ _ (13, ultra_link) \
+ _ (14, smds) \
+ _ (15, frame_relay) \
+ _ (16, atm) \
+ _ (17, hdlc) \
+ _ (18, fibre_channel) \
+ _ (19, atm19) \
+ _ (20, serial_line) \
+ _ (21, atm21) \
+ _ (22, mil_std_188_220) \
+ _ (23, metricom) \
+ _ (24, ieee_1394) \
+ _ (25, mapos) \
+ _ (26, twinaxial) \
+ _ (27, eui_64) \
+ _ (28, hiparp) \
+ _ (29, iso_7816_3) \
+ _ (30, arpsec) \
+ _ (31, ipsec_tunnel) \
+ _ (32, infiniband) \
+ _ (33, cai) \
+ _ (34, wiegand) \
+ _ (35, pure_ip) \
+ _ (36, hw_exp1) \
+ _ (256, hw_exp2)
+
+#define foreach_ethernet_arp_opcode \
+ _ (reserved) \
+ _ (request) \
+ _ (reply) \
+ _ (reverse_request) \
+ _ (reverse_reply) \
+ _ (drarp_request) \
+ _ (drarp_reply) \
+ _ (drarp_error) \
+ _ (inarp_request) \
+ _ (inarp_reply) \
+ _ (arp_nak) \
+ _ (mars_request) \
+ _ (mars_multi) \
+ _ (mars_mserv) \
+ _ (mars_join) \
+ _ (mars_leave) \
+ _ (mars_nak) \
+ _ (mars_unserv) \
+ _ (mars_sjoin) \
+ _ (mars_sleave) \
+ _ (mars_grouplist_request) \
+ _ (mars_grouplist_reply) \
+ _ (mars_redirect_map) \
+ _ (mapos_unarp) \
+ _ (exp1) \
+ _ (exp2)
+
+typedef enum
+{
+#define _(n,f) ETHERNET_ARP_HARDWARE_TYPE_##f = (n),
+ foreach_ethernet_arp_hardware_type
+#undef _
+} ethernet_arp_hardware_type_t;
+
+typedef enum
+{
+#define _(f) ETHERNET_ARP_OPCODE_##f,
+ foreach_ethernet_arp_opcode
+#undef _
+ ETHERNET_ARP_N_OPCODE,
+} ethernet_arp_opcode_t;
+
+typedef enum
+{
+ IP4_ARP_NEXT_DROP,
+ IP4_ARP_N_NEXT,
+} ip4_arp_next_t;
+
+typedef enum
+{
+ IP4_ARP_ERROR_DROP,
+ IP4_ARP_ERROR_REQUEST_SENT,
+ IP4_ARP_ERROR_NON_ARP_ADJ,
+ IP4_ARP_ERROR_REPLICATE_DROP,
+ IP4_ARP_ERROR_REPLICATE_FAIL,
+ IP4_ARP_ERROR_NO_SOURCE_ADDRESS,
+} ip4_arp_error_t;
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u8 ethernet[6];
+ ip4_address_t ip4;
+}) ethernet_arp_ip4_over_ethernet_address_t;
+/* *INDENT-ON* */
+
+typedef struct
+{
+ u16 l2_type;
+ u16 l3_type;
+ u8 n_l2_address_bytes;
+ u8 n_l3_address_bytes;
+ u16 opcode;
+ union
+ {
+ ethernet_arp_ip4_over_ethernet_address_t ip4_over_ethernet[2];
+
+ /* Others... */
+ u8 data[0];
+ };
+} ethernet_arp_header_t;
+
+typedef struct
+{
+ u32 sw_if_index;
+ ip4_address_t ip4_address;
+
+ u8 ethernet_address[6];
+
+ u16 flags;
+#define ETHERNET_ARP_IP4_ENTRY_FLAG_STATIC (1 << 0)
+#define ETHERNET_ARP_IP4_ENTRY_FLAG_DYNAMIC (1 << 1)
+
+ u64 cpu_time_last_updated;
+
+ /**
+ * The index of the adj-fib entry created
+ */
+ fib_node_index_t fib_entry_index;
+} ethernet_arp_ip4_entry_t;
+
+ethernet_arp_ip4_entry_t *ip4_neighbor_entries (u32 sw_if_index);
+u8 *format_ethernet_arp_ip4_entry (u8 * s, va_list * va);
+
+#endif /* included_ethernet_arp_packet_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */