X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Fpacket_burst_generator.c;h=a05e3c86ca402de3ba2602419811ed093e0150a6;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=db7f02345f33116ca3d026c8278cd9cf6163a5fb;hpb=7869536f3f8edace05043be6f322b835702b201c;p=dpdk.git diff --git a/app/test/packet_burst_generator.c b/app/test/packet_burst_generator.c index db7f02345f..a05e3c86ca 100644 --- a/app/test/packet_burst_generator.c +++ b/app/test/packet_burst_generator.c @@ -1,34 +1,5 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -59,13 +30,13 @@ copy_buf_to_pkt_segs(void *buf, unsigned len, struct rte_mbuf *pkt, seg = seg->next; } copy_len = seg->data_len - offset; - seg_buf = ((char *) seg->data + 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 = seg->data; + seg_buf = rte_pktmbuf_mtod(seg, void *); } rte_memcpy(seg_buf, buf, (size_t) len); } @@ -74,32 +45,51 @@ 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(((char *) pkt->data + offset), buf, (size_t) 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, uint8_t vlan_enabled, uint16_t van_id) +initialize_eth_header(struct rte_ether_hdr *eth_hdr, + struct rte_ether_addr *src_mac, + struct rte_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)); + struct rte_vlan_hdr *vhdr = (struct rte_vlan_hdr *)( + (uint8_t *)eth_hdr + sizeof(struct rte_ether_hdr)); 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 rte_arp_hdr *arp_hdr, + struct rte_ether_addr *src_mac, + struct rte_ether_addr *dst_mac, + uint32_t src_ip, uint32_t dst_ip, + uint32_t opcode) +{ + arp_hdr->arp_hardware = rte_cpu_to_be_16(RTE_ARP_HRD_ETHER); + arp_hdr->arp_protocol = rte_cpu_to_be_16(ETHER_TYPE_IPv4); + arp_hdr->arp_hlen = ETHER_ADDR_LEN; + arp_hdr->arp_plen = sizeof(uint32_t); + arp_hdr->arp_opcode = 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 @@ -118,6 +108,36 @@ initialize_udp_header(struct udp_hdr *udp_hdr, uint16_t src_port, return pkt_len; } +uint16_t +initialize_tcp_header(struct tcp_hdr *tcp_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 tcp_hdr)); + + memset(tcp_hdr, 0, sizeof(struct tcp_hdr)); + tcp_hdr->src_port = rte_cpu_to_be_16(src_port); + tcp_hdr->dst_port = rte_cpu_to_be_16(dst_port); + + return pkt_len; +} + +uint16_t +initialize_sctp_header(struct sctp_hdr *sctp_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)); + + sctp_hdr->src_port = rte_cpu_to_be_16(src_port); + sctp_hdr->dst_port = rte_cpu_to_be_16(dst_port); + sctp_hdr->tag = 0; + sctp_hdr->cksum = 0; /* No SCTP checksum. */ + + return pkt_len; +} uint16_t initialize_ipv6_header(struct ipv6_hdr *ip_hdr, uint8_t *src_addr, @@ -139,7 +159,7 @@ 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 +180,7 @@ 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]; @@ -182,7 +202,53 @@ initialize_ipv4_header(struct ipv4_hdr *ip_hdr, uint32_t src_addr, return pkt_len; } +uint16_t +initialize_ipv4_header_proto(struct ipv4_hdr *ip_hdr, uint32_t src_addr, + uint32_t dst_addr, uint16_t pkt_data_len, uint8_t proto) +{ + 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 = proto; + 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 @@ -190,20 +256,12 @@ 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) + struct rte_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; @@ -220,9 +278,9 @@ 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; @@ -230,7 +288,7 @@ 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. */ @@ -238,9 +296,10 @@ nomore_mbuf: * Copy headers in first packet segment(s). */ if (vlan_enabled) - eth_hdr_size = sizeof(struct ether_hdr) + sizeof(struct vlan_hdr); + eth_hdr_size = sizeof(struct rte_ether_hdr) + + sizeof(struct rte_vlan_hdr); else - eth_hdr_size = sizeof(struct ether_hdr); + eth_hdr_size = sizeof(struct rte_ether_hdr); copy_buf_to_pkt(eth_hdr, eth_hdr_size, pkt, 0); @@ -258,26 +317,131 @@ 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) { pkt->vlan_tci = ETHER_TYPE_IPv4; pkt->l3_len = sizeof(struct ipv4_hdr); - - if (vlan_enabled) - pkt->ol_flags = PKT_RX_IPV4_HDR | PKT_RX_VLAN_PKT; - else - pkt->ol_flags = PKT_RX_IPV4_HDR; } else { pkt->vlan_tci = ETHER_TYPE_IPv6; pkt->l3_len = sizeof(struct ipv6_hdr); + } - if (vlan_enabled) - pkt->ol_flags = PKT_RX_IPV6_HDR | PKT_RX_VLAN_PKT; - else - pkt->ol_flags = PKT_RX_IPV6_HDR; + pkts_burst[nb_pkt] = pkt; + } + + return nb_pkt; +} + +int +generate_packet_burst_proto(struct rte_mempool *mp, + struct rte_mbuf **pkts_burst, struct rte_ether_hdr *eth_hdr, + uint8_t vlan_enabled, void *ip_hdr, + uint8_t ipv4, uint8_t proto, void *proto_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 rte_ether_hdr) + + sizeof(struct rte_vlan_hdr); + else + eth_hdr_size = sizeof(struct rte_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); + switch (proto) { + case IPPROTO_UDP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct udp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv4_hdr)); + break; + case IPPROTO_TCP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct tcp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv4_hdr)); + break; + case IPPROTO_SCTP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct sctp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv4_hdr)); + break; + default: + break; + } + } else { + copy_buf_to_pkt(ip_hdr, sizeof(struct ipv6_hdr), pkt, + eth_hdr_size); + switch (proto) { + case IPPROTO_UDP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct udp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv6_hdr)); + break; + case IPPROTO_TCP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct tcp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv6_hdr)); + break; + case IPPROTO_SCTP: + copy_buf_to_pkt(proto_hdr, + sizeof(struct sctp_hdr), pkt, + eth_hdr_size + sizeof(struct ipv6_hdr)); + break; + default: + break; + } + } + + /* + * 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;