diff options
Diffstat (limited to 'src/spdk/dpdk/lib/librte_net/rte_arp.h')
-rw-r--r-- | src/spdk/dpdk/lib/librte_net/rte_arp.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_net/rte_arp.h b/src/spdk/dpdk/lib/librte_net/rte_arp.h new file mode 100644 index 000000000..feb0eb3e4 --- /dev/null +++ b/src/spdk/dpdk/lib/librte_net/rte_arp.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2013 6WIND S.A. + */ + +#ifndef _RTE_ARP_H_ +#define _RTE_ARP_H_ + +/** + * @file + * + * ARP-related defines + */ + +#include <stdint.h> +#include <rte_ether.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * ARP header IPv4 payload. + */ +struct rte_arp_ipv4 { + struct rte_ether_addr arp_sha; /**< sender hardware address */ + uint32_t arp_sip; /**< sender IP address */ + struct rte_ether_addr arp_tha; /**< target hardware address */ + uint32_t arp_tip; /**< target IP address */ +} __rte_packed __rte_aligned(2); + +/** + * ARP header. + */ +struct rte_arp_hdr { + uint16_t arp_hardware; /* format of hardware address */ +#define RTE_ARP_HRD_ETHER 1 /* ARP Ethernet address format */ + + uint16_t arp_protocol; /* format of protocol address */ + uint8_t arp_hlen; /* length of hardware address */ + uint8_t arp_plen; /* length of protocol address */ + uint16_t arp_opcode; /* ARP opcode (command) */ +#define RTE_ARP_OP_REQUEST 1 /* request to resolve address */ +#define RTE_ARP_OP_REPLY 2 /* response to previous request */ +#define RTE_ARP_OP_REVREQUEST 3 /* request proto addr given hardware */ +#define RTE_ARP_OP_REVREPLY 4 /* response giving protocol address */ +#define RTE_ARP_OP_INVREQUEST 8 /* request to identify peer */ +#define RTE_ARP_OP_INVREPLY 9 /* response identifying peer */ + + struct rte_arp_ipv4 arp_data; +} __rte_packed __rte_aligned(2); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Make a RARP packet based on MAC addr. + * + * @param mpool + * Pointer to the rte_mempool + * @param mac + * Pointer to the MAC addr + * + * @return + * - RARP packet pointer on success, or NULL on error + */ +__rte_experimental +struct rte_mbuf * +rte_net_make_rarp_packet(struct rte_mempool *mpool, + const struct rte_ether_addr *mac); + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_ARP_H_ */ |