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 9e747a4..06762c6 100644 (file)
--- a/app/test/packet_burst_generator.c
+++ b/app/test/packet_burst_generator.c
@@ -74,17 +74,16 @@ static inline void
 copy_buf_to_pkt(void *buf, unsigned len, struct rte_mbuf *pkt, unsigned offset)
 {
        if (offset + len <= pkt->data_len) {
-               rte_memcpy(rte_pktmbuf_mtod(pkt, char *) + offset,
-                               buf, (size_t) len);
+               rte_memcpy(rte_pktmbuf_mtod(pkt, char *) + offset, buf, (size_t) len);
                return;
        }
        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);
@@ -95,12 +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
@@ -140,7 +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;
 
        /*
@@ -161,7 +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];
@@ -191,20 +205,12 @@ initialize_ipv4_header(struct ipv4_hdr *ip_hdr, uint32_t src_addr,
  */
 #define RTE_MAX_SEGS_PER_PKT 255 /**< pkt.nb_segs is a 8-bit unsigned char. */
 
-#define TXONLY_DEF_PACKET_LEN 64
-#define TXONLY_DEF_PACKET_LEN_128 128
-
-uint16_t tx_pkt_length = TXONLY_DEF_PACKET_LEN;
-uint16_t tx_pkt_seg_lengths[RTE_MAX_SEGS_PER_PKT] = {
-               TXONLY_DEF_PACKET_LEN_128,
-};
-
-uint8_t  tx_pkt_nb_segs = 1;
 
 int
 generate_packet_burst(struct rte_mempool *mp, struct rte_mbuf **pkts_burst,
                struct ether_hdr *eth_hdr, uint8_t vlan_enabled, void *ip_hdr,
-               uint8_t ipv4, struct udp_hdr *udp_hdr, int nb_pkt_per_burst)
+               uint8_t ipv4, struct udp_hdr *udp_hdr, int nb_pkt_per_burst,
+               uint8_t pkt_len, uint8_t nb_pkt_segs)
 {
        int i, nb_pkt = 0;
        size_t eth_hdr_size;
@@ -221,9 +227,9 @@ nomore_mbuf:
                        break;
                }
 
-               pkt->data_len = tx_pkt_seg_lengths[0];
+               pkt->data_len = pkt_len;
                pkt_seg = pkt;
-               for (i = 1; i < tx_pkt_nb_segs; i++) {
+               for (i = 1; i < nb_pkt_segs; i++) {
                        pkt_seg->next = rte_pktmbuf_alloc(mp);
                        if (pkt_seg->next == NULL) {
                                pkt->nb_segs = i;
@@ -231,7 +237,7 @@ nomore_mbuf:
                                goto nomore_mbuf;
                        }
                        pkt_seg = pkt_seg->next;
-                       pkt_seg->data_len = tx_pkt_seg_lengths[i];
+                       pkt_seg->data_len = pkt_len;
                }
                pkt_seg->next = NULL; /* Last segment of packet. */
 
@@ -259,8 +265,8 @@ nomore_mbuf:
                 * Complete first mbuf of packet and append it to the
                 * burst of packets to be transmitted.
                 */
-               pkt->nb_segs = tx_pkt_nb_segs;
-               pkt->pkt_len = tx_pkt_length;
+               pkt->nb_segs = nb_pkt_segs;
+               pkt->pkt_len = pkt_len;
                pkt->l2_len = eth_hdr_size;
 
                if (ipv4) {