f35e5b3e07
There is a common macro __rte_aligned for alignment, which is now used where appropriate for consistency. Signed-off-by: Thomas Monjalon <thomas@monjalon.net> Reviewed-by: David Christensen <drc@linux.vnet.ibm.com>
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2013 6WIND S.A.
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*/
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#ifndef _RTE_ARP_H_
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#define _RTE_ARP_H_
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/**
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* @file
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*
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* ARP-related defines
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*/
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#include <stdint.h>
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#include <rte_ether.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* ARP header IPv4 payload.
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*/
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struct rte_arp_ipv4 {
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struct rte_ether_addr arp_sha; /**< sender hardware address */
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uint32_t arp_sip; /**< sender IP address */
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struct rte_ether_addr arp_tha; /**< target hardware address */
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uint32_t arp_tip; /**< target IP address */
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} __attribute__((__packed__)) __rte_aligned(2);
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/**
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* ARP header.
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*/
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struct rte_arp_hdr {
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uint16_t arp_hardware; /* format of hardware address */
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#define RTE_ARP_HRD_ETHER 1 /* ARP Ethernet address format */
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uint16_t arp_protocol; /* format of protocol address */
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uint8_t arp_hlen; /* length of hardware address */
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uint8_t arp_plen; /* length of protocol address */
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uint16_t arp_opcode; /* ARP opcode (command) */
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#define RTE_ARP_OP_REQUEST 1 /* request to resolve address */
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#define RTE_ARP_OP_REPLY 2 /* response to previous request */
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#define RTE_ARP_OP_REVREQUEST 3 /* request proto addr given hardware */
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#define RTE_ARP_OP_REVREPLY 4 /* response giving protocol address */
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#define RTE_ARP_OP_INVREQUEST 8 /* request to identify peer */
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#define RTE_ARP_OP_INVREPLY 9 /* response identifying peer */
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struct rte_arp_ipv4 arp_data;
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} __attribute__((__packed__)) __rte_aligned(2);
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/**
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* @warning
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* @b EXPERIMENTAL: this API may change without prior notice
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*
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* Make a RARP packet based on MAC addr.
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*
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* @param mpool
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* Pointer to the rte_mempool
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* @param mac
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* Pointer to the MAC addr
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*
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* @return
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* - RARP packet pointer on success, or NULL on error
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*/
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__rte_experimental
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struct rte_mbuf *
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rte_net_make_rarp_packet(struct rte_mempool *mpool,
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const struct rte_ether_addr *mac);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_ARP_H_ */
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