eal: add and use unaligned integer types

[dpdk.git] / app / test / packet_burst_generator.c

diff --git a/app/test/packet_burst_generator.c b/app/test/packet_burst_generator.c
index b2824dc..06762c6 100644 (file)
--- a/app/test/packet_burst_generator.c
+++ b/app/test/packet_burst_generator.c
@@ -80,10 +80,10 @@ copy_buf_to_pkt(void *buf, unsigned len, struct rte_mbuf *pkt, unsigned offset)
        copy_buf_to_pkt_segs(buf, len, pkt, offset);
 }
 
-
 void
 initialize_eth_header(struct ether_hdr *eth_hdr, struct ether_addr *src_mac,
-               struct ether_addr *dst_mac, uint8_t vlan_enabled, uint16_t van_id)
+               struct ether_addr *dst_mac, uint16_t ether_type,
+               uint8_t vlan_enabled, uint16_t van_id)
 {
        ether_addr_copy(dst_mac, &eth_hdr->d_addr);
        ether_addr_copy(src_mac, &eth_hdr->s_addr);
@@ -94,12 +94,27 @@ initialize_eth_header(struct ether_hdr *eth_hdr, struct ether_addr *src_mac,
 
                eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_VLAN);
 
-               vhdr->eth_proto =  rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+               vhdr->eth_proto =  rte_cpu_to_be_16(ether_type);
                vhdr->vlan_tci = van_id;
        } else {
-               eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_VLAN);
+               eth_hdr->ether_type = rte_cpu_to_be_16(ether_type);
        }
+}
 
+void
+initialize_arp_header(struct arp_hdr *arp_hdr, struct ether_addr *src_mac,
+               struct ether_addr *dst_mac, uint32_t src_ip, uint32_t dst_ip,
+               uint32_t opcode)
+{
+       arp_hdr->arp_hrd = rte_cpu_to_be_16(ARP_HRD_ETHER);
+       arp_hdr->arp_pro = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
+       arp_hdr->arp_hln = ETHER_ADDR_LEN;
+       arp_hdr->arp_pln = sizeof(uint32_t);
+       arp_hdr->arp_op = rte_cpu_to_be_16(opcode);
+       ether_addr_copy(src_mac, &arp_hdr->arp_data.arp_sha);
+       arp_hdr->arp_data.arp_sip = src_ip;
+       ether_addr_copy(dst_mac, &arp_hdr->arp_data.arp_tha);
+       arp_hdr->arp_data.arp_tip = dst_ip;
 }
 
 uint16_t
@@ -139,7 +154,7 @@ initialize_ipv4_header(struct ipv4_hdr *ip_hdr, uint32_t src_addr,
                uint32_t dst_addr, uint16_t pkt_data_len)
 {
        uint16_t pkt_len;
-       uint16_t *ptr16;
+       unaligned_uint16_t *ptr16;
        uint32_t ip_cksum;
 
        /*
@@ -160,7 +175,7 @@ initialize_ipv4_header(struct ipv4_hdr *ip_hdr, uint32_t src_addr,
        /*
         * Compute IP header checksum.
         */
-       ptr16 = (uint16_t *)ip_hdr;
+       ptr16 = (unaligned_uint16_t *)ip_hdr;
        ip_cksum = 0;
        ip_cksum += ptr16[0]; ip_cksum += ptr16[1];
        ip_cksum += ptr16[2]; ip_cksum += ptr16[3];