static void
send_paxos_message(paxos_message *pm) {
uint8_t port_id = 0;
struct rte_mbuf *created_pkt = rte_pktmbuf_alloc(mbuf_pool);
created_pkt->l2_len = sizeof(struct ether_hdr);
created_pkt->l3_len = sizeof(struct ipv4_hdr);
created_pkt->l4_len = sizeof(struct udp_hdr) + sizeof(paxos_message);
craft_new_packet(&created_pkt, IPv4(192,168,4,99), ACCEPTOR_ADDR,
PROPOSER_PORT, ACCEPTOR_PORT, sizeof(paxos_message), port_id);
//struct udp_hdr *udp;
size_t udp_offset = sizeof(struct ether_hdr) + sizeof(struct ipv4_hdr);
//udp = rte_pktmbuf_mtod_offset(created_pkt, struct udp_hdr *, udp_offset);
size_t paxos_offset = udp_offset + sizeof(struct udp_hdr);
struct paxos_hdr *px = rte_pktmbuf_mtod_offset(created_pkt, struct paxos_hdr *, paxos_offset);
px->msgtype = rte_cpu_to_be_16(pm->type);
px->inst = rte_cpu_to_be_32(pm->u.accept.iid);
px->inst = rte_cpu_to_be_32(pm->u.accept.iid);
px->rnd = rte_cpu_to_be_16(pm->u.accept.ballot);
px->vrnd = rte_cpu_to_be_16(pm->u.accept.value_ballot);
px->acptid = 0;
rte_memcpy(px->paxosval, pm->u.accept.value.paxos_value_val, pm->u.accept.value.paxos_value_len);
created_pkt->ol_flags = PKT_TX_IPV4 | PKT_TX_IP_CKSUM | PKT_TX_UDP_CKSUM;
const uint16_t nb_tx = rte_eth_tx_burst(port_id, 0, &created_pkt, 1);
rte_pktmbuf_free(created_pkt);
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER8, "Send %d messages\n", nb_tx);
}
/* byteswap to cpu or network order */
static void
bswap_test_data(struct ipv4_7tuple *data, int len, int to_be)
{
int i;
for (i = 0; i < len; i++) {
if (to_be) {
/* swap all bytes so that they are in network order */
data[i].ip_dst = rte_cpu_to_be_32(data[i].ip_dst);
data[i].ip_src = rte_cpu_to_be_32(data[i].ip_src);
data[i].port_dst = rte_cpu_to_be_16(data[i].port_dst);
data[i].port_src = rte_cpu_to_be_16(data[i].port_src);
data[i].vlan = rte_cpu_to_be_16(data[i].vlan);
data[i].domain = rte_cpu_to_be_16(data[i].domain);
} else {
data[i].ip_dst = rte_be_to_cpu_32(data[i].ip_dst);
data[i].ip_src = rte_be_to_cpu_32(data[i].ip_src);
data[i].port_dst = rte_be_to_cpu_16(data[i].port_dst);
data[i].port_src = rte_be_to_cpu_16(data[i].port_src);
data[i].vlan = rte_be_to_cpu_16(data[i].vlan);
data[i].domain = rte_be_to_cpu_16(data[i].domain);
}
}
}
static void
prepare_pkt(struct rte_mbuf *mbuf)
{
struct ether_hdr *eth_hdr;
struct vlan_hdr *vlan1, *vlan2;
struct ipv4_hdr *ip_hdr;
/* Simulate a classifier */
eth_hdr = rte_pktmbuf_mtod(mbuf, struct ether_hdr *);
vlan1 = (struct vlan_hdr *)(ð_hdr->ether_type );
vlan2 = (struct vlan_hdr *)((uintptr_t)ð_hdr->ether_type + sizeof(struct vlan_hdr));
eth_hdr = (struct ether_hdr *)((uintptr_t)ð_hdr->ether_type + 2 *sizeof(struct vlan_hdr));
ip_hdr = (struct ipv4_hdr *)((uintptr_t)eth_hdr + sizeof(eth_hdr->ether_type));
vlan1->vlan_tci = rte_cpu_to_be_16(SUBPORT);
vlan2->vlan_tci = rte_cpu_to_be_16(PIPE);
eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
ip_hdr->dst_addr = IPv4(0,0,TC,QUEUE);
rte_sched_port_pkt_write(mbuf, SUBPORT, PIPE, TC, QUEUE, e_RTE_METER_YELLOW);
/* 64 byte packet */
mbuf->pkt.pkt_len = 60;
mbuf->pkt.data_len = 60;
}
void
xmit_arp_req(struct gatekeeper_if *iface, const struct ipaddr *addr,
const struct ether_addr *ha, uint16_t tx_queue)
{
struct rte_mbuf *created_pkt;
struct ether_hdr *eth_hdr;
struct arp_hdr *arp_hdr;
size_t pkt_size;
struct lls_config *lls_conf = get_lls_conf();
int ret;
struct rte_mempool *mp = lls_conf->net->gatekeeper_pktmbuf_pool[
rte_lcore_to_socket_id(lls_conf->lcore_id)];
created_pkt = rte_pktmbuf_alloc(mp);
if (created_pkt == NULL) {
LLS_LOG(ERR, "Could not alloc a packet for an ARP request\n");
return;
}
pkt_size = iface->l2_len_out + sizeof(struct arp_hdr);
created_pkt->data_len = pkt_size;
created_pkt->pkt_len = pkt_size;
/* Set-up Ethernet header. */
eth_hdr = rte_pktmbuf_mtod(created_pkt, struct ether_hdr *);
ether_addr_copy(&iface->eth_addr, ð_hdr->s_addr);
if (ha == NULL)
memset(ð_hdr->d_addr, 0xFF, ETHER_ADDR_LEN);
else
ether_addr_copy(ha, ð_hdr->d_addr);
/* Set-up VLAN header. */
if (iface->vlan_insert)
fill_vlan_hdr(eth_hdr, iface->vlan_tag_be, ETHER_TYPE_ARP);
else
eth_hdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
/* Set-up ARP header. */
arp_hdr = pkt_out_skip_l2(iface, eth_hdr);
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(struct in_addr);
arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REQUEST);
ether_addr_copy(&iface->eth_addr, &arp_hdr->arp_data.arp_sha);
arp_hdr->arp_data.arp_sip = iface->ip4_addr.s_addr;
memset(&arp_hdr->arp_data.arp_tha, 0, ETHER_ADDR_LEN);
arp_hdr->arp_data.arp_tip = addr->ip.v4.s_addr;
ret = rte_eth_tx_burst(iface->id, tx_queue, &created_pkt, 1);
if (ret <= 0) {
rte_pktmbuf_free(created_pkt);
LLS_LOG(ERR, "Could not transmit an ARP request\n");
}
}
static inline void __fill_ipv4hdr_frag(struct ipv4_hdr *dst,
const struct ipv4_hdr *src, uint16_t len, uint16_t fofs,
uint16_t dofs, uint32_t mf)
{
rte_memcpy(dst, src, sizeof(*dst));
fofs = (uint16_t)(fofs + (dofs >> IPV4_HDR_FO_SHIFT));
fofs = (uint16_t)(fofs | mf << IPV4_HDR_MF_SHIFT);
dst->fragment_offset = rte_cpu_to_be_16(fofs);
dst->total_length = rte_cpu_to_be_16(len);
dst->hdr_checksum = 0;
}
void
init_hdr_templates(void)
{
memset(ip_hdr_template, 0, sizeof(ip_hdr_template));
memset(l2_hdr_template, 0, sizeof(l2_hdr_template));
ip_hdr_template[0].version_ihl = IP_VHL_DEF;
ip_hdr_template[0].type_of_service = (2 << 2); // default DSCP 2
ip_hdr_template[0].total_length = 0;
ip_hdr_template[0].packet_id = 0;
ip_hdr_template[0].fragment_offset = IP_DN_FRAGMENT_FLAG;
ip_hdr_template[0].time_to_live = IP_DEFTTL;
ip_hdr_template[0].next_proto_id = IPPROTO_IP;
ip_hdr_template[0].hdr_checksum = 0;
ip_hdr_template[0].src_addr = rte_cpu_to_be_32(0x00000000);
ip_hdr_template[0].dst_addr = rte_cpu_to_be_32(0x07010101);
l2_hdr_template[0].d_addr.addr_bytes[0] = 0x0a;
l2_hdr_template[0].d_addr.addr_bytes[1] = 0x00;
l2_hdr_template[0].d_addr.addr_bytes[2] = 0x27;
l2_hdr_template[0].d_addr.addr_bytes[3] = 0x00;
l2_hdr_template[0].d_addr.addr_bytes[4] = 0x00;
l2_hdr_template[0].d_addr.addr_bytes[5] = 0x01;
l2_hdr_template[0].s_addr.addr_bytes[0] = 0x08;
l2_hdr_template[0].s_addr.addr_bytes[1] = 0x00;
l2_hdr_template[0].s_addr.addr_bytes[2] = 0x27;
l2_hdr_template[0].s_addr.addr_bytes[3] = 0x7d;
l2_hdr_template[0].s_addr.addr_bytes[4] = 0xc7;
l2_hdr_template[0].s_addr.addr_bytes[5] = 0x68;
l2_hdr_template[0].ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
return;
}
static int
init_traffic(struct rte_mempool *mp,
struct rte_mbuf **pkts_burst, uint32_t burst_size)
{
struct ether_hdr pkt_eth_hdr;
struct ipv4_hdr pkt_ipv4_hdr;
struct udp_hdr pkt_udp_hdr;
uint32_t pktlen;
static uint8_t src_mac[] = { 0x00, 0xFF, 0xAA, 0xFF, 0xAA, 0xFF };
static uint8_t dst_mac[] = { 0x00, 0xAA, 0xFF, 0xAA, 0xFF, 0xAA };
initialize_eth_header(&pkt_eth_hdr,
(struct ether_addr *)src_mac,
(struct ether_addr *)dst_mac, 1, 0, 0);
pkt_eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
pktlen = initialize_ipv4_header(&pkt_ipv4_hdr,
IPV4_ADDR(10, 0, 0, 1),
IPV4_ADDR(10, 0, 0, 2), 26);
printf("IPv4 pktlen %u\n", pktlen);
pktlen = initialize_udp_header(&pkt_udp_hdr, 0, 0, 18);
printf("UDP pktlen %u\n", pktlen);
return generate_packet_burst(mp, pkts_burst, &pkt_eth_hdr,
0, &pkt_ipv4_hdr, 1,
&pkt_udp_hdr, burst_size,
PACKET_BURST_GEN_PKT_LEN, 1);
}
static inline void
__fill_ipv6hdr_frag(struct ipv6_hdr *dst,
const struct ipv6_hdr *src, uint16_t len, uint16_t fofs,
uint32_t mf)
{
struct ipv6_extension_fragment *fh;
rte_memcpy(dst, src, sizeof(*dst));
dst->payload_len = rte_cpu_to_be_16(len);
dst->proto = IPPROTO_FRAGMENT;
fh = (struct ipv6_extension_fragment *) ++dst;
fh->next_header = src->proto;
fh->reserved = 0;
fh->frag_data = rte_cpu_to_be_16(RTE_IPV6_SET_FRAG_DATA(fofs, mf));
fh->id = 0;
}
void *thr(void* arg)
{
struct node* n = arg;
struct rte_mbuf* restrict pkts[32];
int i;
int q = n->queue;
int start_sec = cursec();
int rcvd = 0;
int sent = 0;
init_thread(n->tid, n->core);
if (q >= 20) {
printf("Somehow, queue beyond 20\n");
}
while(1) {
/*int recv;*/
i = mbuf_alloc_bulk(pkts, 60, 32);
if (i != 0) {
printf("Error allocating packets %d\n", i);
break;
} else {
int send, recv;
/* Start setting MAC address */
for (i = 0; i < 32; i++) {
struct ether_hdr* hdr =
rte_pktmbuf_mtod(pkts[i],
struct ether_hdr*);
hdr->d_addr.addr_bytes[5] = (10 * q) + 1;
hdr->s_addr.addr_bytes[5] = (10 * q) + 2;
hdr->ether_type = rte_cpu_to_be_16(0x0800);
/*rte_mbuf_sanity_check(pkts[i], 1);*/
}
send = send_pkts(PORT_OUT, q, pkts, 32);
for (i = send; i < 32; i++) {
mbuf_free(pkts[i]);
}
recv = recv_pkts(PORT_IN, q, pkts, 32);
rcvd += recv;
sent += send;
if (cursec() != start_sec) {
printf("%d %d rx=%d tx=%d\n", n->core,
(cursec() - start_sec),
rcvd,
sent);
/*printf("recv_pkt\n");*/
/*rte_pktmbuf_dump(stdout, pkts[0], 16384);*/
start_sec = cursec();
rcvd = 0;
sent = 0;
}
for (int i = 0; i < recv; i++) {
mbuf_free(pkts[i]);
}
}
}
printf("Socket ID (%d) is %d. DONE\n", n->core, rte_socket_id());
return NULL;
}
static inline size_t
get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
{
size_t vlan_offset = 0;
if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
vlan_offset = sizeof(struct vlan_hdr);
*proto = vlan_hdr->eth_proto;
if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
vlan_hdr = vlan_hdr + 1;
*proto = vlan_hdr->eth_proto;
vlan_offset += sizeof(struct vlan_hdr);
}
}
return vlan_offset;
}
/* Add hardware filter */
int
vr_dpdk_ethdev_filter_add(struct vr_interface *vif, uint16_t queue_id,
unsigned dst_ip, unsigned mpls_label)
{
struct vr_dpdk_ethdev *ethdev = (struct vr_dpdk_ethdev *)vif->vif_os;
uint8_t port_id = ethdev->ethdev_port_id;
struct rte_fdir_filter filter;
int ret;
/* accept 2-byte labels only */
if (mpls_label > 0xffff)
return -EINVAL;
if (queue_id > VR_DPDK_MAX_NB_RX_QUEUES)
return -EINVAL;
memset(&filter, 0, sizeof(filter));
filter.iptype = RTE_FDIR_IPTYPE_IPV4;
filter.l4type = RTE_FDIR_L4TYPE_UDP;
filter.ip_dst.ipv4_addr = dst_ip;
filter.port_dst = rte_cpu_to_be_16((uint16_t)VR_MPLS_OVER_UDP_DST_PORT);
filter.flex_bytes = rte_cpu_to_be_16((uint16_t)mpls_label);
RTE_LOG(DEBUG, VROUTER, "%s: ip_dst=0x%x port_dst=%d flex_bytes=%d\n", __func__,
(unsigned)dst_ip, (unsigned)VR_MPLS_OVER_UDP_DST_PORT, (unsigned)mpls_label);
if (queue_id >= 0xFF) {
RTE_LOG(ERR, VROUTER, " error adding perfect filter for eth device %"
PRIu8 ": queue ID %" PRIu16 " is out of range\n",
port_id, queue_id);
return -EINVAL;
}
ret = rte_eth_dev_fdir_add_perfect_filter(port_id, &filter, (uint16_t)mpls_label,
(uint8_t)queue_id, 0);
if (ret == 0)
ethdev->ethdev_queue_states[queue_id] = VR_DPDK_QUEUE_FILTERING_STATE;
return ret;
}
static struct rte_mbuf *build_ip_packet(const char *src_ip,
const char *dst_ip, uint16_t data)
{
struct rte_mempool *mp = pg_get_mempool();
struct rte_mbuf *pkt = rte_pktmbuf_alloc(mp);
uint16_t len = sizeof(struct ether_hdr) + sizeof(struct ip) +
sizeof(uint16_t);
struct ether_hdr *eth;
struct ip *ip;
uint16_t *payload_ip;
pkt->pkt_len = len;
pkt->data_len = len;
pkt->nb_segs = 1;
pkt->next = NULL;
/* ethernet header */
eth = rte_pktmbuf_mtod(pkt, struct ether_hdr*);
memset(eth, 0, len);
eth->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
/* ipv4 header */
ip = (struct ip *)(eth + 1);
ip->ip_v = IPVERSION;
ip->ip_hl = sizeof(struct ip) >> 2;
ip->ip_off = 0;
ip->ip_ttl = 64;
/* FEAR ! this is CHAOS ! */
ip->ip_p = 16;
ip->ip_len = htons(sizeof(struct ip) + 1);
ip->ip_src.s_addr = inet_addr(src_ip);
ip->ip_dst.s_addr = inet_addr(dst_ip);
/* write some data */
payload_ip = (uint16_t *)(ip + 1);
*payload_ip = data;
return pkt;
}
static struct rte_mbuf *build_non_ip_packet(void)
{
struct rte_mempool *mp = pg_get_mempool();
struct rte_mbuf *pkt = rte_pktmbuf_alloc(mp);
uint8_t *payload;
struct ether_hdr *eth;
uint16_t len = sizeof(struct ether_hdr) + 1;
pkt->pkt_len = len;
pkt->data_len = len;
pkt->nb_segs = 1;
pkt->next = NULL;
/* ethernet header */
eth = rte_pktmbuf_mtod(pkt, struct ether_hdr*);
memset(eth, 0, len);
eth->ether_type = rte_cpu_to_be_16(ETHER_TYPE_ARP);
/* write some data */
payload = (uint8_t *)(eth + 1);
*payload = 42;
return pkt;
}
/*
* The function is used to insert or update VLAN tag;
* the firmware has state of the firmware tag to insert per TxQ
* (controlled by option descriptors), hence, if the tag of the
* packet to be sent is different from one remembered by the firmware,
* the function will update it
*/
static unsigned int
sfc_efx_tx_maybe_insert_tag(struct sfc_efx_txq *txq, struct rte_mbuf *m,
efx_desc_t **pend)
{
uint16_t this_tag = ((m->ol_flags & PKT_TX_VLAN_PKT) ?
m->vlan_tci : 0);
if (this_tag == txq->hw_vlan_tci)
return 0;
/*
* The expression inside SFC_ASSERT() is not desired to be checked in
* a non-debug build because it might be too expensive on the data path
*/
SFC_ASSERT(efx_nic_cfg_get(txq->evq->sa->nic)->enc_hw_tx_insert_vlan_enabled);
efx_tx_qdesc_vlantci_create(txq->common, rte_cpu_to_be_16(this_tag),
*pend);
(*pend)++;
txq->hw_vlan_tci = this_tag;
return 1;
}
void app_main_loop_rx_flow(void)
{
const unsigned lcore_id = rte_lcore_id();
struct rte_mbuf *bufs[RX_BURST_SIZE];
struct rte_mbuf *buf;
struct ether_hdr *eth_hdr;
struct ipv4_hdr *ipv4_hdr;
struct ipv6_hdr *ipv6_hdr;
struct tcp_hdr *tcp_hdr;
struct udp_hdr *udp_hdr;
struct pkt_info pktinfo;
int32_t ret;
uint16_t i, n_rx, queueid;
uint8_t port;
port = 0;
queueid = (uint16_t) app.lcore_conf[lcore_id].queue_id;
RTE_LOG(INFO, FLOWATCHER, "[core %u] packet RX & update flow_table Ready\n", lcore_id);
while (!app_quit_signal) {
n_rx = rte_eth_rx_burst(port, queueid, bufs, RX_BURST_SIZE);
if (unlikely(n_rx == 0)) {
port++;
if (port >= app.n_ports)
port = 0;
continue;
}
app_stat[queueid].rx_count += n_rx;
for (i = 0; i < n_rx; i++) {
buf = bufs[i];
pktinfo.timestamp = rte_rdtsc();
pktinfo.pktlen = rte_pktmbuf_pkt_len(buf);
eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
/* strip vlan_hdr */
if (eth_hdr->ether_type == rte_cpu_to_be_16(ETHER_TYPE_VLAN)) {
/* struct vlan_hdr *vh = (struct vlan_hdr *) ð_hdr[1]; */
/* buf->ol_flags |= PKT_RX_VLAN_PKT; */
/* buf->vlan_tci = rte_be_to_cpu_16(vh->vlan_tci); */
/* memmove(rte_pktmbuf_adj(buf, sizeof(struct vlan_hdr)), */
/* eth_hdr, 2 * ETHER_ADDR_LEN); */
/* eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *); */
eth_hdr = (struct ether_hdr *) rte_pktmbuf_adj(buf, sizeof(struct vlan_hdr));
}
if (eth_hdr->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
/* IPv4 */
pktinfo.type = PKT_IP_TYPE_IPV4;
ipv4_hdr = (struct ipv4_hdr *) ð_hdr[1];
pktinfo.key.v4.src_ip = rte_be_to_cpu_32(ipv4_hdr->src_addr);
pktinfo.key.v4.dst_ip = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
pktinfo.key.v4.proto = ipv4_hdr->next_proto_id;
switch (ipv4_hdr->next_proto_id) {
case IPPROTO_TCP:
tcp_hdr = (struct tcp_hdr *) &ipv4_hdr[1];
pktinfo.key.v4.src_port = rte_be_to_cpu_16(tcp_hdr->src_port);
pktinfo.key.v4.dst_port = rte_be_to_cpu_16(tcp_hdr->dst_port);
break;
case IPPROTO_UDP:
udp_hdr = (struct udp_hdr *) &ipv4_hdr[1];
pktinfo.key.v4.src_port = rte_be_to_cpu_16(udp_hdr->src_port);
pktinfo.key.v4.dst_port = rte_be_to_cpu_16(udp_hdr->dst_port);
break;
default:
pktinfo.key.v4.src_port = 0;
pktinfo.key.v4.dst_port = 0;
break;
}
rte_pktmbuf_free(buf);
/* update flow_table_v4 */
ret = update_flow_entry(app.flow_table_v4[queueid], &pktinfo);
if (ret == 0)
app_stat[queueid].updated_tbl_v4_count++;
else
app_stat[queueid].miss_updated_tbl_v4_count++;
} else if (eth_hdr->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) {
/* IPv6 */
pktinfo.type = PKT_IP_TYPE_IPV6;
ipv6_hdr = (struct ipv6_hdr *) ð_hdr[1];
rte_memcpy(pktinfo.key.v6.src_ip, ipv6_hdr->src_addr, 16);
rte_memcpy(pktinfo.key.v6.dst_ip, ipv6_hdr->dst_addr, 16);
pktinfo.key.v6.proto = ipv6_hdr->proto;
switch (ipv6_hdr->proto) {
case IPPROTO_TCP:
tcp_hdr = (struct tcp_hdr *) &ipv6_hdr[1];
pktinfo.key.v6.src_port = rte_be_to_cpu_16(tcp_hdr->src_port);
pktinfo.key.v6.dst_port = rte_be_to_cpu_16(tcp_hdr->dst_port);
break;
case IPPROTO_UDP:
udp_hdr = (struct udp_hdr *) &ipv6_hdr[1];
pktinfo.key.v6.src_port = rte_be_to_cpu_16(udp_hdr->src_port);
pktinfo.key.v6.dst_port = rte_be_to_cpu_16(udp_hdr->dst_port);
break;
default:
pktinfo.key.v6.src_port = 0;
pktinfo.key.v6.dst_port = 0;
break;
}
rte_pktmbuf_free(buf);
/* update flow_table_v6 */
ret = update_flow_entry(app.flow_table_v6[queueid], &pktinfo);
if (ret == 0)
app_stat[queueid].updated_tbl_v6_count++;
else
app_stat[queueid].miss_updated_tbl_v6_count++;
} else {
/* others */
app_stat[queueid].unknown_pkt_count++;
rte_pktmbuf_free(buf);
continue;
}
}
port++;
if (port >= app.n_ports)
port = 0;
}
RTE_LOG(INFO, FLOWATCHER, "[core %u] packet RX & update flow_table finished\n", lcore_id);
}
static int neigh_update(struct nlmsghdr *nlh)
{
int err;
int len = nlh->nlmsg_len;
uint32_t index;
char *pifname;
char if_name[IF_NAMESIZE];
char buf[512] = {0};
struct ndmsg *ndm;
struct rtattr *rta;
struct rtattr *tb[NDA_MAX+1];
struct nda_cacheinfo *ci = NULL;
struct msg_hdr *hdr;
struct arp_add *arp_add;
struct arp_del *arp_del;
struct route_add *rt_add;
struct route_del *rt_del;
len -= NLMSG_LENGTH(sizeof(*ndm));
if (len < 0)
return -1;
ndm = NLMSG_DATA(nlh);
hdr = (struct msg_hdr *)buf;
if (ndm->ndm_type != RTN_UNICAST)
return 0;
if (AF_INET != ndm->ndm_family && AF_INET6 != ndm->ndm_family) {
fastpath_log_debug("family %d error.\n", ndm->ndm_family);
return 0;
}
index = get_port_map(ndm->ndm_ifindex);
if (index >= ROUTE_MAX_LINK) {
fastpath_log_debug("ifidx %d not concerned\n", ndm->ndm_ifindex);
return 0;
}
pifname = if_indextoname(ndm->ndm_ifindex, if_name);
if (pifname == NULL) {
fastpath_log_error("%s:get if name by ifindex:%d err\n",
__func__, ndm->ndm_ifindex);
return -EIO;
}
rta = (struct rtattr*)((char*)ndm + NLMSG_ALIGN(sizeof(struct ndmsg)));
rtattr_parse(tb, NDA_MAX, rta, len);
if (NULL == tb[NDA_DST]) {
fastpath_log_error( "nda dst is null.\n");
return -EINVAL;
}
if (NULL != tb[NDA_CACHEINFO]) {
ci = RTA_DATA(tb[NDA_CACHEINFO]);
}
fastpath_log_debug( "%s: neigh update, family %d, ifidx %d, eif%d, state 0x%02x\n",
__func__, ndm->ndm_family, ndm->ndm_ifindex, index, ndm->ndm_state);
if (ndm->ndm_state & NUD_FAILED || (ci && (ci->ndm_refcnt == 0))) {
hdr->cmd = ROUTE_MSG_DEL_NEIGH;
arp_del = (struct arp_del *)hdr->data;
arp_del->nh_iface = rte_cpu_to_be_32(index);
memcpy(&arp_del->nh_ip, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
err = route_send(hdr);
if (err != 0) {
fastpath_log_error( "neigh_update: send neigh failed\n", __func__);
}
hdr->cmd = ROUTE_MSG_DEL_NH;
rt_del = (struct route_del *)hdr->data;
memcpy(&rt_del->ip, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
rt_del->depth = 32;
err = route_send(hdr);
if (err != 0) {
fastpath_log_error( "neigh_update: send nh failed\n");
}
} else /* if (ndm->ndm_state & (NUD_REACHABLE | NUD_PERMANENT)) */ {
hdr->cmd = ROUTE_MSG_ADD_NEIGH;
arp_add = (struct arp_add *)hdr->data;
arp_add->nh_iface = rte_cpu_to_be_32(index);
memcpy(&arp_add->nh_ip, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
arp_add->type = rte_cpu_to_be_16(NEIGH_TYPE_REACHABLE);
if (NULL != tb[NDA_LLADDR]) {
memcpy(&arp_add->nh_arp, (char*)RTA_DATA(tb[NDA_LLADDR]), RTA_PAYLOAD(tb[NDA_LLADDR]));
}
err = route_send(hdr);
if (err != 0) {
fastpath_log_error( "neigh_update: send neigh failed\n", __func__);
}
hdr->cmd = ROUTE_MSG_ADD_NH;
rt_add = (struct route_add *)hdr->data;
memcpy(&rt_add->ip, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
rt_add->depth = 32;
memcpy(&rt_add->nh_ip, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
rt_add->nh_iface = rte_cpu_to_be_32(index);
err = route_send(hdr);
if (err != 0) {
fastpath_log_error( "neigh_update: send nh failed\n");
}
}
#if 0
else {
static int
vr_usocket_bind(struct vr_usocket *usockp)
{
int error = 0;
struct sockaddr_in sin;
struct sockaddr_un sun;
struct sockaddr *addr = NULL;
socklen_t addrlen = 0;
int optval;
bool server;
optval = 1;
RTE_LOG(DEBUG, USOCK, "%s[%lx]: FD %d setting option\n", __func__,
pthread_self(), usockp->usock_fd);
if (setsockopt(usockp->usock_fd, SOL_SOCKET, SO_REUSEADDR, &optval,
sizeof(optval)))
return -errno;
switch (usockp->usock_type) {
case TCP:
sin.sin_family = AF_INET;
sin.sin_port = rte_cpu_to_be_16(VR_NETLINK_TCP_PORT);
sin.sin_addr.s_addr = INADDR_ANY;
addr = (struct sockaddr *)&sin;
addrlen = sizeof(sin);
server = true;
break;
case UNIX:
sun.sun_family = AF_UNIX;
memset(sun.sun_path, 0, sizeof(sun.sun_path));
strncpy(sun.sun_path, VR_NETLINK_UNIX_FILE, sizeof(sun.sun_path) - 1);
addr = (struct sockaddr *)&sun;
addrlen = sizeof(sun);
server = true;
mkdir(VR_SOCKET_DIR, VR_SOCKET_DIR_MODE);
unlink(sun.sun_path);
break;
case RAW:
sun.sun_family = AF_UNIX;
memset(sun.sun_path, 0, sizeof(sun.sun_path));
strncpy(sun.sun_path, VR_PACKET_UNIX_FILE, sizeof(sun.sun_path) - 1);
addr = (struct sockaddr *)&sun;
addrlen = sizeof(sun);
server = false;
mkdir(VR_SOCKET_DIR, VR_SOCKET_DIR_MODE);
unlink(sun.sun_path);
break;
default:
return -EINVAL;
}
#ifdef VR_DPDK_USOCK_DUMP
RTE_LOG(DEBUG, USOCK, "%s[%lx]: FD %d binding\n", __func__, pthread_self(),
usockp->usock_fd);
rte_hexdump(stdout, "usock address dump:", addr, addrlen);
#endif
error = bind(usockp->usock_fd, addr, addrlen);
if (error < 0)
return error;
if (server) {
RTE_LOG(DEBUG, USOCK, "%s[%lx]: FD %d listening\n", __func__,
pthread_self(), usockp->usock_fd);
error = listen(usockp->usock_fd, 1);
if (error < 0)
return error;
usockp->usock_state = LISTENING;
}
return 0;
}
/*
* Reassemble fragments into one packet.
*/
struct rte_mbuf *
ipv6_frag_reassemble(const struct ip_frag_pkt *fp)
{
struct ipv6_hdr *ip_hdr;
struct ipv6_extension_fragment *frag_hdr;
struct rte_mbuf *m, *prev;
uint32_t i, n, ofs, first_len;
uint32_t last_len, move_len, payload_len;
first_len = fp->frags[IP_FIRST_FRAG_IDX].len;
n = fp->last_idx - 1;
/*start from the last fragment. */
m = fp->frags[IP_LAST_FRAG_IDX].mb;
ofs = fp->frags[IP_LAST_FRAG_IDX].ofs;
last_len = fp->frags[IP_LAST_FRAG_IDX].len;
payload_len = ofs + last_len;
while (ofs != first_len) {
prev = m;
for (i = n; i != IP_FIRST_FRAG_IDX && ofs != first_len; i--) {
/* previous fragment found. */
if (fp->frags[i].ofs + fp->frags[i].len == ofs) {
ip_frag_chain(fp->frags[i].mb, m);
/* update our last fragment and offset. */
m = fp->frags[i].mb;
ofs = fp->frags[i].ofs;
}
}
/* error - hole in the packet. */
if (m == prev) {
return NULL;
}
}
/* chain with the first fragment. */
ip_frag_chain(fp->frags[IP_FIRST_FRAG_IDX].mb, m);
m = fp->frags[IP_FIRST_FRAG_IDX].mb;
/* update mbuf fields for reassembled packet. */
m->ol_flags |= PKT_TX_IP_CKSUM;
/* update ipv6 header for the reassembled datagram */
ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *, m->l2_len);
ip_hdr->payload_len = rte_cpu_to_be_16(payload_len);
/*
* remove fragmentation header. note that per RFC2460, we need to update
* the last non-fragmentable header with the "next header" field to contain
* type of the first fragmentable header, but we currently don't support
* other headers, so we assume there are no other headers and thus update
* the main IPv6 header instead.
*/
move_len = m->l2_len + m->l3_len - sizeof(*frag_hdr);
frag_hdr = (struct ipv6_extension_fragment *) (ip_hdr + 1);
ip_hdr->proto = frag_hdr->next_header;
ip_frag_memmove(rte_pktmbuf_mtod_offset(m, char *, sizeof(*frag_hdr)),
rte_pktmbuf_mtod(m, char*), move_len);
rte_pktmbuf_adj(m, sizeof(*frag_hdr));
return m;
}
/*
* Reassemble fragments into one packet.
*/
struct rte_mbuf *
ipv4_frag_reassemble(struct ip_frag_pkt *fp)
{
struct ipv4_hdr *ip_hdr;
struct rte_mbuf *m, *prev;
uint32_t i, n, ofs, first_len;
uint32_t curr_idx = 0;
first_len = fp->frags[IP_FIRST_FRAG_IDX].len;
n = fp->last_idx - 1;
/*start from the last fragment. */
m = fp->frags[IP_LAST_FRAG_IDX].mb;
ofs = fp->frags[IP_LAST_FRAG_IDX].ofs;
curr_idx = IP_LAST_FRAG_IDX;
while (ofs != first_len) {
prev = m;
for (i = n; i != IP_FIRST_FRAG_IDX && ofs != first_len; i--) {
/* previous fragment found. */
if(fp->frags[i].ofs + fp->frags[i].len == ofs) {
/* adjust start of the last fragment data. */
rte_pktmbuf_adj(m, (uint16_t)(m->l2_len + m->l3_len));
rte_pktmbuf_chain(fp->frags[i].mb, m);
/* this mbuf should not be accessed directly */
fp->frags[curr_idx].mb = NULL;
curr_idx = i;
/* update our last fragment and offset. */
m = fp->frags[i].mb;
ofs = fp->frags[i].ofs;
}
}
/* error - hole in the packet. */
if (m == prev) {
return NULL;
}
}
/* chain with the first fragment. */
rte_pktmbuf_adj(m, (uint16_t)(m->l2_len + m->l3_len));
rte_pktmbuf_chain(fp->frags[IP_FIRST_FRAG_IDX].mb, m);
m = fp->frags[IP_FIRST_FRAG_IDX].mb;
/* update mbuf fields for reassembled packet. */
m->ol_flags |= PKT_TX_IP_CKSUM;
/* update ipv4 header for the reassmebled packet */
ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, m->l2_len);
ip_hdr->total_length = rte_cpu_to_be_16((uint16_t)(fp->total_size +
m->l3_len));
ip_hdr->fragment_offset = (uint16_t)(ip_hdr->fragment_offset &
rte_cpu_to_be_16(IPV4_HDR_DF_FLAG));
ip_hdr->hdr_checksum = 0;
return m;
}
static int rx_thread(void * param) {
struct port_configure * pconf = NULL; //(struct port_configure *) param;
struct rte_ring* ring_in = NULL; //pconf->ring_in;
struct rte_ring* ring_out = NULL; //pconf->ring_out;
uint8_t port_id = 0; //pconf->portid;
uint16_t nb_rx_pkts;
struct rte_mbuf *m;
struct ether_hdr *eth_hdr;
struct arp_hdr *arp_hdr;
int32_t i, j, k, ret;
struct rte_mbuf *pkts[MAX_PKTS_BURST];
int32_t ether_type;
struct ipv4_hdr *ip_hdr;
struct icmp_hdr* icmp_hdr;
struct udp_hdr* udp_hdr;
while (!quit_signal) {
for (k = 0; k < num_config_port; ++k) {
pconf = &ports_conf[k];
ring_in = pconf->ring_in;
ring_out = pconf->ring_out;
port_id = pconf->portid;
nb_rx_pkts = rte_eth_rx_burst(port_id, 0, pkts, MAX_PKTS_BURST);
if (unlikely(nb_rx_pkts == 0)) {
continue;
}
for (i = 0; i < nb_rx_pkts; ++i) {
m = pkts[i];
eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
ether_type = eth_hdr->ether_type;
if (unlikely(rte_cpu_to_be_16(ETHER_TYPE_ARP) == ether_type)) {
arp_hdr = (struct arp_hdr *) ((char *) (eth_hdr + 1));
if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REQUEST)) {
if (arp_hdr->arp_data.arp_tip == (pconf->ip)) {
arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
ether_addr_copy(&pconf->addr, ð_hdr->s_addr);
ether_addr_copy(&arp_hdr->arp_data.arp_sha,
&arp_hdr->arp_data.arp_tha);
arp_hdr->arp_data.arp_tip =
arp_hdr->arp_data.arp_sip;
ether_addr_copy(&pconf->addr,
&arp_hdr->arp_data.arp_sha);
arp_hdr->arp_data.arp_sip = (pconf->ip);
MMENQUEUE(ring_out, m);
} else {
MMENQUEUE(ring_arp_request, m);
}
} else if (arp_hdr->arp_op == rte_cpu_to_be_16(ARP_OP_REPLY)) {
MMENQUEUE(ring_arp_reply, m);
} else {
rte_pktmbuf_free(m);
}
} else if (likely(
rte_cpu_to_be_16(ETHER_TYPE_IPv4) == ether_type)) {
ip_hdr = (struct ipv4_hdr *) ((char *) (eth_hdr + 1));
switch (ip_hdr->next_proto_id) {
case IPPROTO_ICMP:
//printf("nhan ban tin ping\n");
icmp_hdr = (struct icmp_hdr *) ((unsigned char *) ip_hdr
+ sizeof(struct ipv4_hdr));
if (unlikely(
wrapsum(
checksum(icmp_hdr,
(m->data_len
- sizeof(struct ether_hdr)
- sizeof(struct ipv4_hdr)),
0)))) {
printf("ICMP check sum error\n");
rte_pktmbuf_free(m);
break;
}
if (unlikely(
icmp_hdr->icmp_type == IP_ICMP_ECHO_REQUEST)) {
if (ntohl(ip_hdr->dst_addr) == INADDR_BROADCAST) {
rte_pktmbuf_free(m);
} else {
icmp_hdr->icmp_type = IP_ICMP_ECHO_REPLY;
icmp_hdr->icmp_cksum = 0;
icmp_hdr->icmp_cksum =
wrapsum(
checksum(icmp_hdr,
(m->data_len
- sizeof(struct ether_hdr)
- sizeof(struct ipv4_hdr)),
0));
inetAddrSwap(&ip_hdr->src_addr,
&ip_hdr->dst_addr);
ip_hdr->packet_id = htons(
ntohs(ip_hdr->packet_id) + m->data_len);
ip_hdr->hdr_checksum = 0;
ip_hdr->hdr_checksum = wrapsum(
checksum(ip_hdr,
sizeof(struct ipv4_hdr), 0));
ethAddrSwap(ð_hdr->d_addr, ð_hdr->s_addr);
MMENQUEUE(ring_out, m);
}
} else {
rte_pktmbuf_free(m);
}
break;
case IPPROTO_UDP:
MMENQUEUE(ring_in, m)
;
break;
default:
rte_pktmbuf_free(m);
}
} else {
rte_pktmbuf_free(m);
}
}
}
}
return 0;
}
static inline void
fdir_filter_add(uint8_t port_id, const char *addr, enum rte_eth_fdir_behavior behavior, uint32_t soft_id)
{
struct rte_eth_fdir_filter entry;
uint32_t fdir_ip_addr;
int ret = 0;
ret = rte_eth_dev_filter_supported(port_id, RTE_ETH_FILTER_FDIR);
if (ret < 0) {
printf("flow director is not supported on port %u.\n",
port_id);
return;
}
memset(&entry, 0, sizeof(struct rte_eth_fdir_filter));
ret = inet_pton(AF_INET, addr, &fdir_ip_addr);
if (ret <= 0) {
if (ret == 0) {
printf("Error: %s is not in presentation format\n", addr);
return;
} else if (ret == -1) {
perror("inet_pton");
return;
}
}
//printf("%d\n", behavior);
//printf("%s, %u\n", addr, fdir_ip_addr);
entry.input.flow_type = RTE_ETH_FLOW_NONFRAG_IPV4_TCP;
//entry.input.flow_type = RTE_ETH_FLOW_IPV4;
entry.input.flow.ip4_flow.dst_ip = fdir_ip_addr;
//entry.input.flow.udp4_flow.src_port = rte_cpu_to_be_16(TCP_PORT);
//entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(TCP_PORT);
entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(0);
entry.input.flow_ext.is_vf = 0;
entry.action.behavior = behavior;
entry.action.flex_off = 0;
entry.action.report_status = RTE_ETH_FDIR_REPORT_ID;
if (behavior == RTE_ETH_FDIR_ACCEPT)
entry.action.rx_queue = PKT_ACCEPT_QUEUE;
else
entry.action.rx_queue = PKT_DROP_QUEUE;
entry.soft_id = soft_id;
ret = rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_ADD, &entry);
if (ret < 0)
printf("flow director programming error: (%s)\n",
strerror(-ret));
entry.soft_id = soft_id + 100;
entry.input.flow.udp4_flow.dst_port = rte_cpu_to_be_16(0x1);
ret = rte_eth_dev_filter_ctrl(port_id, RTE_ETH_FILTER_FDIR,
RTE_ETH_FILTER_ADD, &entry);
if (ret < 0)
printf("flow director programming error: (%s)\n",
strerror(-ret));
}
int
process_arp(struct lls_config *lls_conf, struct gatekeeper_if *iface,
uint16_t tx_queue, struct rte_mbuf *buf, struct ether_hdr *eth_hdr,
struct arp_hdr *arp_hdr)
{
struct ipaddr addr = {
.proto = ETHER_TYPE_IPv4,
.ip.v4.s_addr = arp_hdr->arp_data.arp_sip,
};
struct lls_mod_req mod_req;
uint16_t pkt_len = rte_pktmbuf_data_len(buf);
/* pkt_in_skip_l2() already called by LLS. */
size_t l2_len = pkt_in_l2_hdr_len(buf);
int ret;
if (pkt_len < l2_len + sizeof(*arp_hdr)) {
LLS_LOG(ERR, "%s interface received ARP packet of size %hu bytes, but it should be at least %zu bytes\n",
iface->name, pkt_len,
l2_len + sizeof(*arp_hdr));
return -1;
}
ret = verify_l2_hdr(iface, eth_hdr, buf->l2_type, "ARP");
if (ret < 0)
return ret;
if (unlikely(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(struct in_addr)))
return -1;
/* If sip is not in the same subnet as our IP address, drop. */
if (!ipv4_in_subnet(iface, &addr))
return -1;
/* Update cache with source resolution, regardless of operation. */
mod_req.cache = &lls_conf->arp_cache;
mod_req.addr = addr;
ether_addr_copy(&arp_hdr->arp_data.arp_sha, &mod_req.ha);
mod_req.port_id = iface->id;
mod_req.ts = time(NULL);
RTE_VERIFY(mod_req.ts >= 0);
lls_process_mod(lls_conf, &mod_req);
/*
* If it's a Gratuitous ARP or if the target address
* is not us, then no response is needed.
*/
if (is_garp_pkt(arp_hdr) ||
(iface->ip4_addr.s_addr != arp_hdr->arp_data.arp_tip))
return -1;
switch (rte_be_to_cpu_16(arp_hdr->arp_op)) {
case ARP_OP_REQUEST: {
uint16_t num_tx;
/*
* We are reusing the frame, but an ARP reply always goes out
* the same interface that received it. Therefore, the L2
* space of the frame is the same. If needed, the correct
* VLAN tag was set in verify_l2_hdr().
*/
/* Set-up Ethernet header. */
ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
ether_addr_copy(&iface->eth_addr, ð_hdr->s_addr);
/* Set-up ARP header. */
arp_hdr->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
ether_addr_copy(&arp_hdr->arp_data.arp_sha,
&arp_hdr->arp_data.arp_tha);
arp_hdr->arp_data.arp_tip = arp_hdr->arp_data.arp_sip;
ether_addr_copy(&iface->eth_addr, &arp_hdr->arp_data.arp_sha);
arp_hdr->arp_data.arp_sip = iface->ip4_addr.s_addr;
/* Need to transmit reply. */
num_tx = rte_eth_tx_burst(iface->id, tx_queue, &buf, 1);
if (unlikely(num_tx != 1)) {
LLS_LOG(NOTICE, "ARP reply failed\n");
return -1;
}
return 0;
}
case ARP_OP_REPLY:
/*
* No further action required. Could check to make sure
* arp_hdr->arp_data.arp_tha is equal to arp->ether_addr,
* but there's nothing that can be done if it's wrong anyway.
*/
return -1;
default:
LLS_LOG(NOTICE, "%s received an ARP packet with an unknown operation (%hu)\n",
__func__, rte_be_to_cpu_16(arp_hdr->arp_op));
return -1;
}
}
/**
* IPv4 fragmentation.
*
* This function implements the fragmentation of IPv4 packets.
*
* @param pkt_in
* The input packet.
* @param pkts_out
* Array storing the output fragments.
* @param mtu_size
* Size in bytes of the Maximum Transfer Unit (MTU) for the outgoing IPv4
* datagrams. This value includes the size of the IPv4 header.
* @param pool_direct
* MBUF pool used for allocating direct buffers for the output fragments.
* @param pool_indirect
* MBUF pool used for allocating indirect buffers for the output fragments.
* @return
* Upon successful completion - number of output fragments placed
* in the pkts_out array.
* Otherwise - (-1) * <errno>.
*/
int32_t
rte_ipv4_fragment_packet(struct rte_mbuf *pkt_in,
struct rte_mbuf **pkts_out,
uint16_t nb_pkts_out,
uint16_t mtu_size,
struct rte_mempool *pool_direct,
struct rte_mempool *pool_indirect)
{
struct rte_mbuf *in_seg = NULL;
struct ipv4_hdr *in_hdr;
uint32_t out_pkt_pos, in_seg_data_pos;
uint32_t more_in_segs;
uint16_t fragment_offset, flag_offset, frag_size;
frag_size = (uint16_t)(mtu_size - sizeof(struct ipv4_hdr));
/* Fragment size should be a multiply of 8. */
IP_FRAG_ASSERT((frag_size & IPV4_HDR_FO_MASK) == 0);
in_hdr = rte_pktmbuf_mtod(pkt_in, struct ipv4_hdr *);
flag_offset = rte_cpu_to_be_16(in_hdr->fragment_offset);
/* If Don't Fragment flag is set */
if (unlikely ((flag_offset & IPV4_HDR_DF_MASK) != 0))
return -ENOTSUP;
/* Check that pkts_out is big enough to hold all fragments */
if (unlikely(frag_size * nb_pkts_out <
(uint16_t)(pkt_in->pkt_len - sizeof (struct ipv4_hdr))))
return -EINVAL;
in_seg = pkt_in;
in_seg_data_pos = sizeof(struct ipv4_hdr);
out_pkt_pos = 0;
fragment_offset = 0;
more_in_segs = 1;
while (likely(more_in_segs)) {
struct rte_mbuf *out_pkt = NULL, *out_seg_prev = NULL;
uint32_t more_out_segs;
struct ipv4_hdr *out_hdr;
/* Allocate direct buffer */
out_pkt = rte_pktmbuf_alloc(pool_direct);
if (unlikely(out_pkt == NULL)) {
__free_fragments(pkts_out, out_pkt_pos);
return -ENOMEM;
}
/* Reserve space for the IP header that will be built later */
out_pkt->data_len = sizeof(struct ipv4_hdr);
out_pkt->pkt_len = sizeof(struct ipv4_hdr);
out_seg_prev = out_pkt;
more_out_segs = 1;
while (likely(more_out_segs && more_in_segs)) {
struct rte_mbuf *out_seg = NULL;
uint32_t len;
/* Allocate indirect buffer */
out_seg = rte_pktmbuf_alloc(pool_indirect);
if (unlikely(out_seg == NULL)) {
rte_pktmbuf_free(out_pkt);
__free_fragments(pkts_out, out_pkt_pos);
return -ENOMEM;
}
out_seg_prev->next = out_seg;
out_seg_prev = out_seg;
/* Prepare indirect buffer */
rte_pktmbuf_attach(out_seg, in_seg);
len = mtu_size - out_pkt->pkt_len;
if (len > (in_seg->data_len - in_seg_data_pos)) {
len = in_seg->data_len - in_seg_data_pos;
}
out_seg->data_off = in_seg->data_off + in_seg_data_pos;
out_seg->data_len = (uint16_t)len;
out_pkt->pkt_len = (uint16_t)(len +
out_pkt->pkt_len);
out_pkt->nb_segs += 1;
in_seg_data_pos += len;
/* Current output packet (i.e. fragment) done ? */
if (unlikely(out_pkt->pkt_len >= mtu_size))
more_out_segs = 0;
/* Current input segment done ? */
if (unlikely(in_seg_data_pos == in_seg->data_len)) {
in_seg = in_seg->next;
in_seg_data_pos = 0;
if (unlikely(in_seg == NULL))
more_in_segs = 0;
}
}
/* Build the IP header */
out_hdr = rte_pktmbuf_mtod(out_pkt, struct ipv4_hdr *);
__fill_ipv4hdr_frag(out_hdr, in_hdr,
(uint16_t)out_pkt->pkt_len,
flag_offset, fragment_offset, more_in_segs);
fragment_offset = (uint16_t)(fragment_offset +
out_pkt->pkt_len - sizeof(struct ipv4_hdr));
out_pkt->ol_flags |= PKT_TX_IP_CKSUM;
out_pkt->l3_len = sizeof(struct ipv4_hdr);
/* Write the fragment to the output list */
pkts_out[out_pkt_pos] = out_pkt;
out_pkt_pos ++;
}
return out_pkt_pos;
}
/*
* Receive a burst of packets, lookup for ICMP echo requets, and, if any,
* send back ICMP echo replies.
*/
static void
reply_to_icmp_echo_rqsts(struct fwd_stream *fs)
{
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
struct rte_mbuf *pkt;
struct ether_hdr *eth_h;
struct vlan_hdr *vlan_h;
struct arp_hdr *arp_h;
struct ipv4_hdr *ip_h;
struct icmp_hdr *icmp_h;
struct ether_addr eth_addr;
uint32_t ip_addr;
uint16_t nb_rx;
uint16_t nb_tx;
uint16_t nb_replies;
uint16_t eth_type;
uint16_t vlan_id;
uint16_t arp_op;
uint16_t arp_pro;
uint8_t i;
int l2_len;
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
uint64_t start_tsc;
uint64_t end_tsc;
uint64_t core_cycles;
#endif
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
start_tsc = rte_rdtsc();
#endif
/*
* First, receive a burst of packets.
*/
nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
nb_pkt_per_burst);
if (unlikely(nb_rx == 0))
return;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
#endif
fs->rx_packets += nb_rx;
nb_replies = 0;
for (i = 0; i < nb_rx; i++) {
pkt = pkts_burst[i];
eth_h = (struct ether_hdr *) pkt->pkt.data;
eth_type = RTE_BE_TO_CPU_16(eth_h->ether_type);
l2_len = sizeof(struct ether_hdr);
if (verbose_level > 0) {
printf("\nPort %d pkt-len=%u nb-segs=%u\n",
fs->rx_port, pkt->pkt.pkt_len, pkt->pkt.nb_segs);
ether_addr_dump(" ETH: src=", ð_h->s_addr);
ether_addr_dump(" dst=", ð_h->d_addr);
}
if (eth_type == ETHER_TYPE_VLAN) {
vlan_h = (struct vlan_hdr *)
((char *)eth_h + sizeof(struct ether_hdr));
l2_len += sizeof(struct vlan_hdr);
eth_type = rte_be_to_cpu_16(vlan_h->eth_proto);
if (verbose_level > 0) {
vlan_id = rte_be_to_cpu_16(vlan_h->vlan_tci)
& 0xFFF;
printf(" [vlan id=%u]", vlan_id);
}
}
if (verbose_level > 0) {
printf(" type=0x%04x\n", eth_type);
}
/* Reply to ARP requests */
if (eth_type == ETHER_TYPE_ARP) {
arp_h = (struct arp_hdr *) ((char *)eth_h + l2_len);
arp_op = RTE_BE_TO_CPU_16(arp_h->arp_op);
arp_pro = RTE_BE_TO_CPU_16(arp_h->arp_pro);
if (verbose_level > 0) {
printf(" ARP: hrd=%d proto=0x%04x hln=%d "
"pln=%d op=%u (%s)\n",
RTE_BE_TO_CPU_16(arp_h->arp_hrd),
arp_pro, arp_h->arp_hln,
arp_h->arp_pln, arp_op,
arp_op_name(arp_op));
}
if ((RTE_BE_TO_CPU_16(arp_h->arp_hrd) !=
ARP_HRD_ETHER) ||
(arp_pro != ETHER_TYPE_IPv4) ||
(arp_h->arp_hln != 6) ||
(arp_h->arp_pln != 4)
) {
rte_pktmbuf_free(pkt);
if (verbose_level > 0)
printf("\n");
continue;
}
if (verbose_level > 0) {
memcpy(ð_addr,
arp_h->arp_data.arp_ip.arp_sha, 6);
ether_addr_dump(" sha=", ð_addr);
memcpy(&ip_addr,
arp_h->arp_data.arp_ip.arp_sip, 4);
ipv4_addr_dump(" sip=", ip_addr);
printf("\n");
memcpy(ð_addr,
arp_h->arp_data.arp_ip.arp_tha, 6);
ether_addr_dump(" tha=", ð_addr);
memcpy(&ip_addr,
arp_h->arp_data.arp_ip.arp_tip, 4);
ipv4_addr_dump(" tip=", ip_addr);
printf("\n");
}
if (arp_op != ARP_OP_REQUEST) {
rte_pktmbuf_free(pkt);
continue;
}
/*
* Build ARP reply.
*/
/* Use source MAC address as destination MAC address. */
ether_addr_copy(ð_h->s_addr, ð_h->d_addr);
/* Set source MAC address with MAC address of TX port */
ether_addr_copy(&ports[fs->tx_port].eth_addr,
ð_h->s_addr);
arp_h->arp_op = rte_cpu_to_be_16(ARP_OP_REPLY);
memcpy(ð_addr, arp_h->arp_data.arp_ip.arp_tha, 6);
memcpy(arp_h->arp_data.arp_ip.arp_tha,
arp_h->arp_data.arp_ip.arp_sha, 6);
memcpy(arp_h->arp_data.arp_ip.arp_sha,
ð_h->s_addr, 6);
/* Swap IP addresses in ARP payload */
memcpy(&ip_addr, arp_h->arp_data.arp_ip.arp_sip, 4);
memcpy(arp_h->arp_data.arp_ip.arp_sip,
arp_h->arp_data.arp_ip.arp_tip, 4);
memcpy(arp_h->arp_data.arp_ip.arp_tip, &ip_addr, 4);
pkts_burst[nb_replies++] = pkt;
continue;
}
if (eth_type != ETHER_TYPE_IPv4) {
rte_pktmbuf_free(pkt);
continue;
}
ip_h = (struct ipv4_hdr *) ((char *)eth_h + l2_len);
if (verbose_level > 0) {
ipv4_addr_dump(" IPV4: src=", ip_h->src_addr);
ipv4_addr_dump(" dst=", ip_h->dst_addr);
printf(" proto=%d (%s)\n",
ip_h->next_proto_id,
ip_proto_name(ip_h->next_proto_id));
}
/*
* Check if packet is a ICMP echo request.
*/
icmp_h = (struct icmp_hdr *) ((char *)ip_h +
sizeof(struct ipv4_hdr));
if (! ((ip_h->next_proto_id == IPPROTO_ICMP) &&
(icmp_h->icmp_type == IP_ICMP_ECHO_REQUEST) &&
(icmp_h->icmp_code == 0))) {
rte_pktmbuf_free(pkt);
continue;
}
if (verbose_level > 0)
printf(" ICMP: echo request seq id=%d\n",
rte_be_to_cpu_16(icmp_h->icmp_seq_nb));
/*
* Prepare ICMP echo reply to be sent back.
* - switch ethernet source and destinations addresses,
* - switch IPv4 source and destinations addresses,
* - set IP_ICMP_ECHO_REPLY in ICMP header.
* No need to re-compute the IP header checksum.
* Reset ICMP checksum.
*/
ether_addr_copy(ð_h->s_addr, ð_addr);
ether_addr_copy(ð_h->d_addr, ð_h->s_addr);
ether_addr_copy(ð_addr, ð_h->d_addr);
ip_addr = ip_h->src_addr;
ip_h->src_addr = ip_h->dst_addr;
ip_h->dst_addr = ip_addr;
icmp_h->icmp_type = IP_ICMP_ECHO_REPLY;
icmp_h->icmp_cksum = 0;
pkts_burst[nb_replies++] = pkt;
}
/* Send back ICMP echo replies, if any. */
if (nb_replies > 0) {
nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst,
nb_replies);
fs->tx_packets += nb_tx;
#ifdef RTE_TEST_PMD_RECORD_BURST_STATS
fs->tx_burst_stats.pkt_burst_spread[nb_tx]++;
#endif
if (unlikely(nb_tx < nb_replies)) {
fs->fwd_dropped += (nb_replies - nb_tx);
do {
rte_pktmbuf_free(pkts_burst[nb_tx]);
} while (++nb_tx < nb_replies);
}
}
#ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
end_tsc = rte_rdtsc();
core_cycles = (end_tsc - start_tsc);
fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
#endif
}
static int
vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev,
struct vhost_scsi_task *task)
{
int hlen = 0;
uint32_t alloc_len = 0;
uint16_t len = 0;
uint16_t *temp16;
int pc;
int pd;
int evpd;
int i;
uint8_t *buf;
struct scsi_cdb_inquiry *inq;
inq = (struct scsi_cdb_inquiry *)task->req->cdb;
assert(task->iovs_cnt == 1);
/* At least 36Bytes for inquiry command */
if (task->data_len < 0x24)
goto inq_error;
pd = SPC_PERIPHERAL_DEVICE_TYPE_DISK;
pc = inq->page_code;
evpd = inq->evpd & 0x1;
if (!evpd && pc)
goto inq_error;
if (evpd) {
struct scsi_vpd_page *vpage = (struct scsi_vpd_page *)
task->iovs[0].iov_base;
/* PERIPHERAL QUALIFIER(7-5) PERIPHERAL DEVICE TYPE(4-0) */
vpage->peripheral = pd;
/* PAGE CODE */
vpage->page_code = pc;
switch (pc) {
case SPC_VPD_SUPPORTED_VPD_PAGES:
hlen = 4;
vpage->params[0] = SPC_VPD_SUPPORTED_VPD_PAGES;
vpage->params[1] = SPC_VPD_UNIT_SERIAL_NUMBER;
vpage->params[2] = SPC_VPD_DEVICE_IDENTIFICATION;
len = 3;
/* PAGE LENGTH */
vpage->alloc_len = rte_cpu_to_be_16(len);
break;
case SPC_VPD_UNIT_SERIAL_NUMBER:
hlen = 4;
strncpy((char *)vpage->params, bdev->name, 32);
vpage->alloc_len = rte_cpu_to_be_16(32);
break;
case SPC_VPD_DEVICE_IDENTIFICATION:
buf = vpage->params;
struct scsi_desig_desc *desig;
hlen = 4;
/* NAA designator */
desig = (struct scsi_desig_desc *)buf;
desig->code_set = SPC_VPD_CODE_SET_BINARY;
desig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;
desig->type = SPC_VPD_IDENTIFIER_TYPE_NAA;
desig->association = SPC_VPD_ASSOCIATION_LOGICAL_UNIT;
desig->reserved0 = 0;
desig->piv = 1;
desig->reserved1 = 0;
desig->len = 8;
vhost_bdev_scsi_set_naa_ieee_extended(bdev->name,
desig->desig);
len = sizeof(struct scsi_desig_desc) + 8;
buf += sizeof(struct scsi_desig_desc) + desig->len;
/* T10 Vendor ID designator */
desig = (struct scsi_desig_desc *)buf;
desig->code_set = SPC_VPD_CODE_SET_ASCII;
desig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;
desig->type = SPC_VPD_IDENTIFIER_TYPE_T10_VENDOR_ID;
desig->association = SPC_VPD_ASSOCIATION_LOGICAL_UNIT;
desig->reserved0 = 0;
desig->piv = 1;
desig->reserved1 = 0;
desig->len = 8 + 16 + 32;
strncpy((char *)desig->desig, "INTEL", 8);
vhost_strcpy_pad((char *)&desig->desig[8],
bdev->product_name, 16, ' ');
strncpy((char *)&desig->desig[24], bdev->name, 32);
len += sizeof(struct scsi_desig_desc) + 8 + 16 + 32;
buf += sizeof(struct scsi_desig_desc) + desig->len;
/* SCSI Device Name designator */
desig = (struct scsi_desig_desc *)buf;
desig->code_set = SPC_VPD_CODE_SET_UTF8;
desig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;
desig->type = SPC_VPD_IDENTIFIER_TYPE_SCSI_NAME;
desig->association = SPC_VPD_ASSOCIATION_TARGET_DEVICE;
desig->reserved0 = 0;
desig->piv = 1;
desig->reserved1 = 0;
desig->len = snprintf((char *)desig->desig,
255, "%s", bdev->name);
len += sizeof(struct scsi_desig_desc) + desig->len;
buf += sizeof(struct scsi_desig_desc) + desig->len;
vpage->alloc_len = rte_cpu_to_be_16(len);
break;
default:
goto inq_error;
}
} else {
struct scsi_cdb_inquiry_data *inqdata =
(struct scsi_cdb_inquiry_data *)task->iovs[0].iov_base;
/* Standard INQUIRY data */
/* PERIPHERAL QUALIFIER(7-5) PERIPHERAL DEVICE TYPE(4-0) */
inqdata->peripheral = pd;
/* RMB(7) */
inqdata->rmb = 0;
/* VERSION */
/* See SPC3/SBC2/MMC4/SAM2 for more details */
inqdata->version = SPC_VERSION_SPC3;
/* NORMACA(5) HISUP(4) RESPONSE DATA FORMAT(3-0) */
/* format 2 */ /* hierarchical support */
inqdata->response = 2 | 1 << 4;
hlen = 5;
/* SCCS(7) ACC(6) TPGS(5-4) 3PC(3) PROTECT(0) */
/* Not support TPGS */
inqdata->flags = 0;
/* MULTIP */
inqdata->flags2 = 0x10;
/* WBUS16(5) SYNC(4) LINKED(3) CMDQUE(1) VS(0) */
/* CMDQUE */
inqdata->flags3 = 0x2;
/* T10 VENDOR IDENTIFICATION */
strncpy((char *)inqdata->t10_vendor_id, "INTEL", 8);
/* PRODUCT IDENTIFICATION */
strncpy((char *)inqdata->product_id, bdev->product_name, 16);
/* PRODUCT REVISION LEVEL */
strncpy((char *)inqdata->product_rev, "0001", 4);
/* Standard inquiry data ends here. Only populate
* remaining fields if alloc_len indicates enough
* space to hold it.
*/
len = INQ_OFFSET(product_rev) - 5;
if (alloc_len >= INQ_OFFSET(vendor)) {
/* Vendor specific */
memset(inqdata->vendor, 0x20, 20);
len += sizeof(inqdata->vendor);
}
if (alloc_len >= INQ_OFFSET(ius)) {
/* CLOCKING(3-2) QAS(1) IUS(0) */
inqdata->ius = 0;
len += sizeof(inqdata->ius);
}
if (alloc_len >= INQ_OFFSET(reserved)) {
/* Reserved */
inqdata->reserved = 0;
len += sizeof(inqdata->reserved);
}
/* VERSION DESCRIPTOR 1-8 */
if (alloc_len >= INQ_OFFSET(reserved) + 2) {
temp16 = (uint16_t *)&inqdata->desc[0];
*temp16 = rte_cpu_to_be_16(0x0960);
len += 2;
}
if (alloc_len >= INQ_OFFSET(reserved) + 4) {
/* SPC-3 (no version claimed) */
temp16 = (uint16_t *)&inqdata->desc[2];
*temp16 = rte_cpu_to_be_16(0x0300);
len += 2;
}
if (alloc_len >= INQ_OFFSET(reserved) + 6) {
/* SBC-2 (no version claimed) */
temp16 = (uint16_t *)&inqdata->desc[4];
*temp16 = rte_cpu_to_be_16(0x0320);
len += 2;
}
if (alloc_len >= INQ_OFFSET(reserved) + 8) {
/* SAM-2 (no version claimed) */
temp16 = (uint16_t *)&inqdata->desc[6];
*temp16 = rte_cpu_to_be_16(0x0040);
len += 2;
}
if (alloc_len > INQ_OFFSET(reserved) + 8) {
i = alloc_len - (INQ_OFFSET(reserved) + 8);
if (i > 30)
i = 30;
memset(&inqdata->desc[8], 0, i);
len += i;
}
/* ADDITIONAL LENGTH */
inqdata->add_len = len;
}
/* STATUS GOOD */
scsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);
return hlen + len;
inq_error:
scsi_task_set_status(task, SCSI_STATUS_CHECK_CONDITION,
SCSI_SENSE_ILLEGAL_REQUEST,
SCSI_ASC_INVALID_FIELD_IN_CDB,
SCSI_ASCQ_CAUSE_NOT_REPORTABLE);
return 0;
}
static int
app_pipeline_fc_key_convert(struct pipeline_fc_key *key_in,
uint8_t *key_out,
uint32_t *signature)
{
uint8_t buffer[PIPELINE_FC_FLOW_KEY_MAX_SIZE];
void *key_buffer = (key_out) ? key_out : buffer;
switch (key_in->type) {
case FLOW_KEY_QINQ:
{
struct pkt_key_qinq *qinq = key_buffer;
qinq->ethertype_svlan = 0;
qinq->svlan = rte_cpu_to_be_16(key_in->key.qinq.svlan);
qinq->ethertype_cvlan = 0;
qinq->cvlan = rte_cpu_to_be_16(key_in->key.qinq.cvlan);
if (signature)
*signature = (uint32_t) hash_default_key8(qinq, 8, 0);
return 0;
}
case FLOW_KEY_IPV4_5TUPLE:
{
struct pkt_key_ipv4_5tuple *ipv4 = key_buffer;
ipv4->ttl = 0;
ipv4->proto = key_in->key.ipv4_5tuple.proto;
ipv4->checksum = 0;
ipv4->ip_src = rte_cpu_to_be_32(key_in->key.ipv4_5tuple.ip_src);
ipv4->ip_dst = rte_cpu_to_be_32(key_in->key.ipv4_5tuple.ip_dst);
ipv4->port_src = rte_cpu_to_be_16(key_in->key.ipv4_5tuple.port_src);
ipv4->port_dst = rte_cpu_to_be_16(key_in->key.ipv4_5tuple.port_dst);
if (signature)
*signature = (uint32_t) hash_default_key16(ipv4, 16, 0);
return 0;
}
case FLOW_KEY_IPV6_5TUPLE:
{
struct pkt_key_ipv6_5tuple *ipv6 = key_buffer;
memset(ipv6, 0, 64);
ipv6->payload_length = 0;
ipv6->proto = key_in->key.ipv6_5tuple.proto;
ipv6->hop_limit = 0;
memcpy(&ipv6->ip_src, &key_in->key.ipv6_5tuple.ip_src, 16);
memcpy(&ipv6->ip_dst, &key_in->key.ipv6_5tuple.ip_dst, 16);
ipv6->port_src = rte_cpu_to_be_16(key_in->key.ipv6_5tuple.port_src);
ipv6->port_dst = rte_cpu_to_be_16(key_in->key.ipv6_5tuple.port_dst);
if (signature)
*signature = (uint32_t) hash_default_key64(ipv6, 64, 0);
return 0;
}
default:
return -1;
}
}
/*
* This function learns the MAC address of the device and set init
* L2 header and L3 header info.
*/
int
vxlan_link(struct vhost_dev *vdev, struct rte_mbuf *m)
{
int i, ret;
struct ether_hdr *pkt_hdr;
struct virtio_net *dev = vdev->dev;
uint64_t portid = dev->device_fh;
struct ipv4_hdr *ip;
struct rte_eth_tunnel_filter_conf tunnel_filter_conf;
if (unlikely(portid > VXLAN_N_PORTS)) {
RTE_LOG(INFO, VHOST_DATA,
"(%"PRIu64") WARNING: Not configuring device,"
"as already have %d ports for VXLAN.",
dev->device_fh, VXLAN_N_PORTS);
return -1;
}
/* Learn MAC address of guest device from packet */
pkt_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
if (is_same_ether_addr(&(pkt_hdr->s_addr), &vdev->mac_address)) {
RTE_LOG(INFO, VHOST_DATA,
"(%"PRIu64") WARNING: This device is using an existing"
" MAC address and has not been registered.\n",
dev->device_fh);
return -1;
}
for (i = 0; i < ETHER_ADDR_LEN; i++) {
vdev->mac_address.addr_bytes[i] =
vxdev.port[portid].vport_mac.addr_bytes[i] =
pkt_hdr->s_addr.addr_bytes[i];
vxdev.port[portid].peer_mac.addr_bytes[i] = peer_mac[i];
}
memset(&tunnel_filter_conf, 0,
sizeof(struct rte_eth_tunnel_filter_conf));
ether_addr_copy(&ports_eth_addr[0], &tunnel_filter_conf.outer_mac);
tunnel_filter_conf.filter_type = tep_filter_type[filter_idx];
/* inner MAC */
ether_addr_copy(&vdev->mac_address, &tunnel_filter_conf.inner_mac);
tunnel_filter_conf.queue_id = vdev->rx_q;
tunnel_filter_conf.tenant_id = tenant_id_conf[vdev->rx_q];
if (tep_filter_type[filter_idx] == RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID)
tunnel_filter_conf.inner_vlan = INNER_VLAN_ID;
tunnel_filter_conf.tunnel_type = RTE_TUNNEL_TYPE_VXLAN;
ret = rte_eth_dev_filter_ctrl(ports[0],
RTE_ETH_FILTER_TUNNEL,
RTE_ETH_FILTER_ADD,
&tunnel_filter_conf);
if (ret) {
RTE_LOG(ERR, VHOST_DATA,
"%d Failed to add device MAC address to cloud filter\n",
vdev->rx_q);
return -1;
}
/* Print out inner MAC and VNI info. */
RTE_LOG(INFO, VHOST_DATA,
"(%d) MAC_ADDRESS %02x:%02x:%02x:%02x:%02x:%02x and VNI %d registered\n",
vdev->rx_q,
vdev->mac_address.addr_bytes[0],
vdev->mac_address.addr_bytes[1],
vdev->mac_address.addr_bytes[2],
vdev->mac_address.addr_bytes[3],
vdev->mac_address.addr_bytes[4],
vdev->mac_address.addr_bytes[5],
tenant_id_conf[vdev->rx_q]);
vxdev.port[portid].vport_id = portid;
for (i = 0; i < 4; i++) {
/* Local VTEP IP */
vxdev.port_ip |= vxlan_multicast_ips[portid][i] << (8 * i);
/* Remote VTEP IP */
vxdev.port[portid].peer_ip |=
vxlan_overlay_ips[portid][i] << (8 * i);
}
vxdev.out_key = tenant_id_conf[vdev->rx_q];
ether_addr_copy(&vxdev.port[portid].peer_mac,
&app_l2_hdr[portid].d_addr);
ether_addr_copy(&ports_eth_addr[0],
&app_l2_hdr[portid].s_addr);
app_l2_hdr[portid].ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
ip = &app_ip_hdr[portid];
ip->version_ihl = IP_VHL_DEF;
ip->type_of_service = 0;
ip->total_length = 0;
ip->packet_id = 0;
ip->fragment_offset = IP_DN_FRAGMENT_FLAG;
ip->time_to_live = IP_DEFTTL;
ip->next_proto_id = IPPROTO_UDP;
ip->hdr_checksum = 0;
ip->src_addr = vxdev.port_ip;
ip->dst_addr = vxdev.port[portid].peer_ip;
/* Set device as ready for RX. */
vdev->ready = DEVICE_RX;
return 0;
}
static int
paxos_rx_process(struct rte_mbuf *pkt, struct proposer* proposer)
{
int ret = 0;
uint8_t l4_proto = 0;
uint16_t outer_header_len;
union tunnel_offload_info info = { .data = 0 };
struct udp_hdr *udp_hdr;
struct paxos_hdr *paxos_hdr;
struct ether_hdr *phdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
parse_ethernet(phdr, &info, &l4_proto);
if (l4_proto != IPPROTO_UDP)
return -1;
udp_hdr = (struct udp_hdr *)((char *)phdr +
info.outer_l2_len + info.outer_l3_len);
/* if UDP dst port is not either PROPOSER or LEARNER port */
if (!(udp_hdr->dst_port == rte_cpu_to_be_16(PROPOSER_PORT) ||
udp_hdr->dst_port == rte_cpu_to_be_16(LEARNER_PORT)) &&
(pkt->packet_type & RTE_PTYPE_TUNNEL_MASK) == 0)
return -1;
paxos_hdr = (struct paxos_hdr *)((char *)udp_hdr + sizeof(struct udp_hdr));
if (rte_get_log_level() == RTE_LOG_DEBUG) {
//rte_hexdump(stdout, "udp", udp_hdr, sizeof(struct udp_hdr));
//rte_hexdump(stdout, "paxos", paxos_hdr, sizeof(struct paxos_hdr));
print_paxos_hdr(paxos_hdr);
}
int value_len = rte_be_to_cpu_16(paxos_hdr->value_len);
struct paxos_value *v = paxos_value_new((char *)paxos_hdr->paxosval, value_len);
switch(rte_be_to_cpu_16(paxos_hdr->msgtype)) {
case PAXOS_PROMISE: {
struct paxos_promise promise = {
.iid = rte_be_to_cpu_32(paxos_hdr->inst),
.ballot = rte_be_to_cpu_16(paxos_hdr->rnd),
.value_ballot = rte_be_to_cpu_16(paxos_hdr->vrnd),
.aid = rte_be_to_cpu_16(paxos_hdr->acptid),
.value = *v
};
proposer_handle_promise(proposer, &promise);
break;
}
case PAXOS_ACCEPT: {
if (first_time) {
proposer_preexecute(proposer);
first_time = false;
}
struct paxos_accept acpt = {
.iid = rte_be_to_cpu_32(paxos_hdr->inst),
.ballot = rte_be_to_cpu_16(paxos_hdr->rnd),
.value_ballot = rte_be_to_cpu_16(paxos_hdr->vrnd),
.aid = rte_be_to_cpu_16(paxos_hdr->acptid),
.value = *v
};
proposer_handle_accept(proposer, &acpt);
break;
}
case PAXOS_ACCEPTED: {
struct paxos_accepted ack = {
.iid = rte_be_to_cpu_32(paxos_hdr->inst),
.ballot = rte_be_to_cpu_16(paxos_hdr->rnd),
.value_ballot = rte_be_to_cpu_16(paxos_hdr->vrnd),
.aid = rte_be_to_cpu_16(paxos_hdr->acptid),
.value = *v
};
proposer_handle_accepted(proposer, &ack);
break;
}
default:
break;
}
outer_header_len = info.outer_l2_len + info.outer_l3_len
+ sizeof(struct udp_hdr) + sizeof(struct paxos_hdr);
rte_pktmbuf_adj(pkt, outer_header_len);
return ret;
}
static uint16_t
add_timestamps(uint8_t port __rte_unused, uint16_t qidx __rte_unused,
struct rte_mbuf **pkts, uint16_t nb_pkts,
uint16_t max_pkts __rte_unused, void *user_param)
{
struct proposer* proposer = (struct proposer *)user_param;
unsigned i;
uint64_t now = rte_rdtsc();
for (i = 0; i < nb_pkts; i++) {
pkts[i]->udata64 = now;
paxos_rx_process(pkts[i], proposer);
}
return nb_pkts;
}
static inline int
port_init(uint8_t port, struct rte_mempool *mbuf_pool, struct proposer* proposer)
{
struct rte_eth_dev_info dev_info;
struct rte_eth_txconf *txconf;
struct rte_eth_rxconf *rxconf;
struct rte_eth_conf port_conf = port_conf_default;
const uint16_t rx_rings = 1, tx_rings = 1;
int retval;
uint16_t q;
rte_eth_dev_info_get(port, &dev_info);
rxconf = &dev_info.default_rxconf;
txconf = &dev_info.default_txconf;
txconf->txq_flags &= PKT_TX_IPV4;
txconf->txq_flags &= PKT_TX_UDP_CKSUM;
if (port >= rte_eth_dev_count())
return -1;
retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
if (retval != 0)
return retval;
for (q = 0; q < rx_rings; q++) {
retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE,
rte_eth_dev_socket_id(port), rxconf, mbuf_pool);
if (retval < 0)
return retval;
}
for (q = 0; q < tx_rings; q++) {
retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
rte_eth_dev_socket_id(port), txconf);
if (retval < 0)
return retval;
}
retval = rte_eth_dev_start(port);
if (retval < 0)
return retval;
struct ether_addr addr;
rte_eth_macaddr_get(port, &addr);
rte_eth_promiscuous_enable(port);
rte_eth_add_rx_callback(port, 0, add_timestamps, proposer);
rte_eth_add_tx_callback(port, 0, calc_latency, NULL);
return 0;
}
static void
lcore_main(uint8_t port, __rte_unused struct proposer *p)
{
proposer_preexecute(p);
for (;;) {
// Check if signal is received
if (force_quit)
break;
struct rte_mbuf *bufs[BURST_SIZE];
const uint16_t nb_rx = rte_eth_rx_burst(port, 0, bufs, BURST_SIZE);
if (unlikely(nb_rx == 0))
continue;
uint16_t buf;
for (buf = 0; buf < nb_rx; buf++)
rte_pktmbuf_free(bufs[buf]);
}
}
static __attribute__((noreturn)) int
lcore_mainloop(__attribute__((unused)) void *arg)
{
uint64_t prev_tsc = 0, cur_tsc, diff_tsc;
unsigned lcore_id;
lcore_id = rte_lcore_id();
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_TIMER,
"Starting mainloop on core %u\n", lcore_id);
while(1) {
cur_tsc = rte_rdtsc();
diff_tsc = cur_tsc - prev_tsc;
if (diff_tsc > TIMER_RESOLUTION_CYCLES) {
rte_timer_manage();
prev_tsc = cur_tsc;
}
}
}
static void
report_stat(struct rte_timer *tim, __attribute((unused)) void *arg)
{
/* print stat */
uint32_t count = rte_atomic32_read(&stat);
rte_log(RTE_LOG_INFO, RTE_LOGTYPE_USER8,
"Throughput = %8u msg/s\n", count);
/* reset stat */
rte_atomic32_set(&stat, 0);
/* this timer is automatically reloaded until we decide to stop it */
if (force_quit)
rte_timer_stop(tim);
}
static void
check_timeout(struct rte_timer *tim, void *arg)
{
struct proposer* p = (struct proposer *) arg;
unsigned lcore_id = rte_lcore_id();
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER8, "%s() on lcore_id %i\n", __func__, lcore_id);
struct paxos_message out;
out.type = PAXOS_PREPARE;
struct timeout_iterator* iter = proposer_timeout_iterator(p);
while(timeout_iterator_prepare(iter, &out.u.prepare)) {
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER8,
"%s Send PREPARE inst %d ballot %d\n",
__func__, out.u.prepare.iid, out.u.prepare.ballot);
send_paxos_message(&out);
}
out.type = PAXOS_ACCEPT;
while(timeout_iterator_accept(iter, &out.u.accept)) {
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER8,
"%s: Send ACCEPT inst %d ballot %d\n",
__func__, out.u.prepare.iid, out.u.prepare.ballot);
send_paxos_message(&out);
}
timeout_iterator_free(iter);
/* this timer is automatically reloaded until we decide to stop it */
if (force_quit)
rte_timer_stop(tim);
}
int
main(int argc, char *argv[])
{
uint8_t portid = 0;
unsigned master_core, lcore_id;
signal(SIGTERM, signal_handler);
signal(SIGINT, signal_handler);
force_quit = false;
int proposer_id = 0;
if (rte_get_log_level() == RTE_LOG_DEBUG) {
paxos_config.verbosity = PAXOS_LOG_DEBUG;
}
struct proposer *proposer = proposer_new(proposer_id, NUM_ACCEPTORS);
first_time = true;
/* init EAL */
int ret = rte_eal_init(argc, argv);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
/* init timer structure */
rte_timer_init(&timer);
rte_timer_init(&stat_timer);
/* load deliver_timer, every 1 s, on a slave lcore, reloaded automatically */
uint64_t hz = rte_get_timer_hz();
/* Call rte_timer_manage every 10ms */
TIMER_RESOLUTION_CYCLES = hz / 100;
rte_log(RTE_LOG_INFO, RTE_LOGTYPE_USER1, "Clock: %"PRIu64"\n", hz);
/* master core */
master_core = rte_lcore_id();
/* slave core */
lcore_id = rte_get_next_lcore(master_core, 0, 1);
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER1, "lcore_id: %d\n", lcore_id);
rte_timer_reset(&timer, hz, PERIODICAL, lcore_id, check_timeout, proposer);
/* reset timer */
rte_eal_remote_launch(lcore_mainloop, NULL, lcore_id);
/* stat core */
lcore_id = rte_get_next_lcore(lcore_id , 0, 1);
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER1, "lcore_id: %d\n", lcore_id);
rte_timer_reset(&stat_timer, hz, PERIODICAL, lcore_id,
report_stat, NULL);
/* init RTE timer library */
rte_timer_subsystem_init();
mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
NUM_MBUFS, MBUF_CACHE_SIZE, 0,
RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
if (mbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot create mbuf_pool\n");
/* reset timer */
rte_eal_remote_launch(lcore_mainloop, NULL, lcore_id);
if (port_init(portid, mbuf_pool, proposer) != 0)
rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8"\n", portid);
lcore_main(portid, proposer);
rte_log(RTE_LOG_DEBUG, RTE_LOGTYPE_USER8, "Free proposer\n");
proposer_free(proposer);
return 0;
}