X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Fpacket_burst_generator.c;fp=app%2Ftest%2Fpacket_burst_generator.c;h=0000000000000000000000000000000000000000;hb=7d3b1ec47fae5b2d972e05d0ee37bb7a1731b085;hp=a93c3b5999a965c5d68c715799dc4e11d0dc162e;hpb=dd0eedb1cfcf0cb7423d859177c5bc6f931eaf8a;p=dpdk.git diff --git a/app/test/packet_burst_generator.c b/app/test/packet_burst_generator.c deleted file mode 100644 index a93c3b5999..0000000000 --- a/app/test/packet_burst_generator.c +++ /dev/null @@ -1,285 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include -#include - -#include "packet_burst_generator.h" - -#define UDP_SRC_PORT 1024 -#define UDP_DST_PORT 1024 - - -#define IP_DEFTTL 64 /* from RFC 1340. */ -#define IP_VERSION 0x40 -#define IP_HDRLEN 0x05 /* default IP header length == five 32-bits words. */ -#define IP_VHL_DEF (IP_VERSION | IP_HDRLEN) - -static void -copy_buf_to_pkt_segs(void *buf, unsigned len, struct rte_mbuf *pkt, - unsigned offset) -{ - struct rte_mbuf *seg; - void *seg_buf; - unsigned copy_len; - - seg = pkt; - while (offset >= seg->data_len) { - offset -= seg->data_len; - seg = seg->next; - } - copy_len = seg->data_len - offset; - seg_buf = rte_pktmbuf_mtod_offset(seg, char *, offset); - while (len > copy_len) { - rte_memcpy(seg_buf, buf, (size_t) copy_len); - len -= copy_len; - buf = ((char *) buf + copy_len); - seg = seg->next; - seg_buf = rte_pktmbuf_mtod(seg, void *); - } - rte_memcpy(seg_buf, buf, (size_t) len); -} - -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_offset(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, uint16_t ether_type, - uint8_t vlan_enabled, uint16_t van_id) -{ - ether_addr_copy(dst_mac, ð_hdr->d_addr); - ether_addr_copy(src_mac, ð_hdr->s_addr); - - if (vlan_enabled) { - struct vlan_hdr *vhdr = (struct vlan_hdr *)((uint8_t *)eth_hdr + - sizeof(struct ether_hdr)); - - eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_VLAN); - - 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); - } -} - -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 -initialize_udp_header(struct udp_hdr *udp_hdr, uint16_t src_port, - uint16_t dst_port, uint16_t pkt_data_len) -{ - uint16_t pkt_len; - - pkt_len = (uint16_t) (pkt_data_len + sizeof(struct udp_hdr)); - - udp_hdr->src_port = rte_cpu_to_be_16(src_port); - udp_hdr->dst_port = rte_cpu_to_be_16(dst_port); - udp_hdr->dgram_len = rte_cpu_to_be_16(pkt_len); - udp_hdr->dgram_cksum = 0; /* No UDP checksum. */ - - return pkt_len; -} - - -uint16_t -initialize_ipv6_header(struct ipv6_hdr *ip_hdr, uint8_t *src_addr, - uint8_t *dst_addr, uint16_t pkt_data_len) -{ - ip_hdr->vtc_flow = 0; - ip_hdr->payload_len = pkt_data_len; - ip_hdr->proto = IPPROTO_UDP; - ip_hdr->hop_limits = IP_DEFTTL; - - rte_memcpy(ip_hdr->src_addr, src_addr, sizeof(ip_hdr->src_addr)); - rte_memcpy(ip_hdr->dst_addr, dst_addr, sizeof(ip_hdr->dst_addr)); - - return (uint16_t) (pkt_data_len + sizeof(struct ipv6_hdr)); -} - -uint16_t -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; - unaligned_uint16_t *ptr16; - uint32_t ip_cksum; - - /* - * Initialize IP header. - */ - pkt_len = (uint16_t) (pkt_data_len + sizeof(struct ipv4_hdr)); - - ip_hdr->version_ihl = IP_VHL_DEF; - ip_hdr->type_of_service = 0; - ip_hdr->fragment_offset = 0; - ip_hdr->time_to_live = IP_DEFTTL; - ip_hdr->next_proto_id = IPPROTO_UDP; - ip_hdr->packet_id = 0; - ip_hdr->total_length = rte_cpu_to_be_16(pkt_len); - ip_hdr->src_addr = rte_cpu_to_be_32(src_addr); - ip_hdr->dst_addr = rte_cpu_to_be_32(dst_addr); - - /* - * Compute IP header checksum. - */ - 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]; - ip_cksum += ptr16[4]; - ip_cksum += ptr16[6]; ip_cksum += ptr16[7]; - ip_cksum += ptr16[8]; ip_cksum += ptr16[9]; - - /* - * Reduce 32 bit checksum to 16 bits and complement it. - */ - ip_cksum = ((ip_cksum & 0xFFFF0000) >> 16) + - (ip_cksum & 0x0000FFFF); - ip_cksum %= 65536; - ip_cksum = (~ip_cksum) & 0x0000FFFF; - if (ip_cksum == 0) - ip_cksum = 0xFFFF; - ip_hdr->hdr_checksum = (uint16_t) ip_cksum; - - return pkt_len; -} - - - -/* - * The maximum number of segments per packet is used when creating - * scattered transmit packets composed of a list of mbufs. - */ -#define RTE_MAX_SEGS_PER_PKT 255 /**< pkt.nb_segs is a 8-bit unsigned char. */ - - -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 pkt_len, uint8_t nb_pkt_segs) -{ - int i, nb_pkt = 0; - size_t eth_hdr_size; - - struct rte_mbuf *pkt_seg; - struct rte_mbuf *pkt; - - for (nb_pkt = 0; nb_pkt < nb_pkt_per_burst; nb_pkt++) { - pkt = rte_pktmbuf_alloc(mp); - if (pkt == NULL) { -nomore_mbuf: - if (nb_pkt == 0) - return -1; - break; - } - - pkt->data_len = pkt_len; - pkt_seg = pkt; - for (i = 1; i < nb_pkt_segs; i++) { - pkt_seg->next = rte_pktmbuf_alloc(mp); - if (pkt_seg->next == NULL) { - pkt->nb_segs = i; - rte_pktmbuf_free(pkt); - goto nomore_mbuf; - } - pkt_seg = pkt_seg->next; - pkt_seg->data_len = pkt_len; - } - pkt_seg->next = NULL; /* Last segment of packet. */ - - /* - * Copy headers in first packet segment(s). - */ - if (vlan_enabled) - eth_hdr_size = sizeof(struct ether_hdr) + sizeof(struct vlan_hdr); - else - eth_hdr_size = sizeof(struct ether_hdr); - - copy_buf_to_pkt(eth_hdr, eth_hdr_size, pkt, 0); - - if (ipv4) { - copy_buf_to_pkt(ip_hdr, sizeof(struct ipv4_hdr), pkt, eth_hdr_size); - copy_buf_to_pkt(udp_hdr, sizeof(*udp_hdr), pkt, eth_hdr_size + - sizeof(struct ipv4_hdr)); - } else { - copy_buf_to_pkt(ip_hdr, sizeof(struct ipv6_hdr), pkt, eth_hdr_size); - copy_buf_to_pkt(udp_hdr, sizeof(*udp_hdr), pkt, eth_hdr_size + - sizeof(struct ipv6_hdr)); - } - - /* - * Complete first mbuf of packet and append it to the - * burst of packets to be transmitted. - */ - pkt->nb_segs = nb_pkt_segs; - pkt->pkt_len = pkt_len; - pkt->l2_len = eth_hdr_size; - - if (ipv4) { - pkt->vlan_tci = ETHER_TYPE_IPv4; - pkt->l3_len = sizeof(struct ipv4_hdr); - } else { - pkt->vlan_tci = ETHER_TYPE_IPv6; - pkt->l3_len = sizeof(struct ipv6_hdr); - } - - pkts_burst[nb_pkt] = pkt; - } - - return nb_pkt; -}