#include <rte_arp.h>
#define RARP_PKT_SIZE 64
-int
-rte_net_make_rarp_packet(struct rte_mbuf *mbuf, const struct ether_addr *mac)
+struct rte_mbuf * __rte_experimental
+rte_net_make_rarp_packet(struct rte_mempool *mpool,
+ const struct rte_ether_addr *mac)
{
- struct ether_hdr *eth_hdr;
- struct arp_hdr *rarp;
+ struct rte_ether_hdr *eth_hdr;
+ struct rte_arp_hdr *rarp;
+ struct rte_mbuf *mbuf;
- if (mbuf->buf_len < RARP_PKT_SIZE)
- return -1;
+ if (mpool == NULL)
+ return NULL;
+
+ mbuf = rte_pktmbuf_alloc(mpool);
+ if (mbuf == NULL)
+ return NULL;
+
+ eth_hdr = (struct rte_ether_hdr *)
+ rte_pktmbuf_append(mbuf, RARP_PKT_SIZE);
+ if (eth_hdr == NULL) {
+ rte_pktmbuf_free(mbuf);
+ return NULL;
+ }
/* Ethernet header. */
- eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
- memset(eth_hdr->d_addr.addr_bytes, 0xff, ETHER_ADDR_LEN);
- ether_addr_copy(mac, ð_hdr->s_addr);
- eth_hdr->ether_type = htons(ETHER_TYPE_RARP);
+ memset(eth_hdr->d_addr.addr_bytes, 0xff, RTE_ETHER_ADDR_LEN);
+ rte_ether_addr_copy(mac, ð_hdr->s_addr);
+ eth_hdr->ether_type = htons(RTE_ETHER_TYPE_RARP);
/* RARP header. */
- rarp = (struct arp_hdr *)(eth_hdr + 1);
- rarp->arp_hrd = htons(ARP_HRD_ETHER);
- rarp->arp_pro = htons(ETHER_TYPE_IPv4);
- rarp->arp_hln = ETHER_ADDR_LEN;
- rarp->arp_pln = 4;
- rarp->arp_op = htons(ARP_OP_REVREQUEST);
-
- ether_addr_copy(mac, &rarp->arp_data.arp_sha);
- ether_addr_copy(mac, &rarp->arp_data.arp_tha);
+ rarp = (struct rte_arp_hdr *)(eth_hdr + 1);
+ rarp->arp_hardware = htons(RTE_ARP_HRD_ETHER);
+ rarp->arp_protocol = htons(RTE_ETHER_TYPE_IPV4);
+ rarp->arp_hlen = RTE_ETHER_ADDR_LEN;
+ rarp->arp_plen = 4;
+ rarp->arp_opcode = htons(RTE_ARP_OP_REVREQUEST);
+
+ rte_ether_addr_copy(mac, &rarp->arp_data.arp_sha);
+ rte_ether_addr_copy(mac, &rarp->arp_data.arp_tha);
memset(&rarp->arp_data.arp_sip, 0x00, 4);
memset(&rarp->arp_data.arp_tip, 0x00, 4);
- mbuf->data_len = RARP_PKT_SIZE;
- mbuf->pkt_len = RARP_PKT_SIZE;
-
- return 0;
+ return mbuf;
}