-/*-
- * 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 <rte_byteorder.h>
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);
}
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
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,
uint32_t dst_addr, uint16_t pkt_data_len)
{
uint16_t pkt_len;
- uint16_t *ptr16;
+ unaligned_uint16_t *ptr16;
uint32_t ip_cksum;
/*
/*
* 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];
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
*/
#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;
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;
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. */
* 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);
* 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;
git.droids-corp.org / dpdk.git / blobdiff