/**
* Initialize loopback
*
* Initialize ODP queues to create our own idea of loopbacks, which allow
* testing without physical interfaces. Interface name string will be of
* the format "loopX" where X is the decimal number of the interface.
*
* @param intf Loopback interface name string
*/
#if 0 /* Temporarely disable loopback mode. Needs packet output event queues */
static
void initialize_loop(char *intf)
{
int idx;
odp_queue_t outq_def;
odp_queue_t inq_def;
char queue_name[ODP_QUEUE_NAME_LEN];
odp_queue_param_t qparam;
uint8_t *mac;
char mac_str[MAX_STRING];
/* Derive loopback interface index */
idx = loop_if_index(intf);
if (idx < 0) {
EXAMPLE_ERR("Error: loopback \"%s\" invalid\n", intf);
exit(EXIT_FAILURE);
}
/* Create input queue */
odp_queue_param_init(&qparam);
qparam.type = ODP_QUEUE_TYPE_SCHED;
qparam.sched.prio = ODP_SCHED_PRIO_DEFAULT;
qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
qparam.sched.group = ODP_SCHED_GROUP_ALL;
snprintf(queue_name, sizeof(queue_name), "%i-loop_inq_def", idx);
queue_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
inq_def = queue_create(queue_name, &qparam);
if (ODP_QUEUE_INVALID == inq_def) {
EXAMPLE_ERR("Error: input queue creation failed for %s\n",
intf);
exit(EXIT_FAILURE);
}
/* Create output queue */
snprintf(queue_name, sizeof(queue_name), "%i-loop_outq_def", idx);
queue_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
outq_def = queue_create(queue_name, NULL);
if (ODP_QUEUE_INVALID == outq_def) {
EXAMPLE_ERR("Error: output queue creation failed for %s\n",
intf);
exit(EXIT_FAILURE);
}
/* Initialize the loopback DB entry */
create_loopback_db_entry(idx, inq_def, outq_def, pkt_pool);
mac = query_loopback_db_mac(idx);
printf("Created loop:%02i, queue mode (ATOMIC queues)\n"
" default loop%02i-INPUT queue:%" PRIu64 "\n"
" default loop%02i-OUTPUT queue:%" PRIu64 "\n"
" source mac address %s\n",
idx, idx, odp_queue_to_u64(inq_def), idx,
odp_queue_to_u64(outq_def),
mac_addr_str(mac_str, mac));
/* Resolve any routes using this interface for output */
resolve_fwd_db(intf, outq_def, mac);
}
/**
* Initialize interface
*
* Initialize ODP pktio and queues, query MAC address and update
* forwarding database.
*
* @param intf Interface name string
*/
static
void initialize_intf(char *intf)
{
odp_pktio_t pktio;
odp_pktout_queue_t pktout;
odp_queue_t inq;
int ret;
uint8_t src_mac[ODPH_ETHADDR_LEN];
char src_mac_str[MAX_STRING];
odp_pktio_param_t pktio_param;
odp_pktin_queue_param_t pktin_param;
odp_pktio_param_init(&pktio_param);
if (getenv("ODP_IPSEC_USE_POLL_QUEUES"))
pktio_param.in_mode = ODP_PKTIN_MODE_QUEUE;
else
pktio_param.in_mode = ODP_PKTIN_MODE_SCHED;
/*
* Open a packet IO instance for thread and get default output queue
*/
pktio = odp_pktio_open(intf, pkt_pool, &pktio_param);
if (ODP_PKTIO_INVALID == pktio) {
EXAMPLE_ERR("Error: pktio create failed for %s\n", intf);
exit(EXIT_FAILURE);
}
odp_pktin_queue_param_init(&pktin_param);
pktin_param.queue_param.sched.sync = ODP_SCHED_SYNC_ATOMIC;
if (odp_pktin_queue_config(pktio, &pktin_param)) {
EXAMPLE_ERR("Error: pktin config failed for %s\n", intf);
exit(EXIT_FAILURE);
}
if (odp_pktout_queue_config(pktio, NULL)) {
EXAMPLE_ERR("Error: pktout config failed for %s\n", intf);
exit(EXIT_FAILURE);
}
if (odp_pktin_event_queue(pktio, &inq, 1) != 1) {
EXAMPLE_ERR("Error: failed to get input queue for %s\n", intf);
exit(EXIT_FAILURE);
}
if (odp_pktout_queue(pktio, &pktout, 1) != 1) {
EXAMPLE_ERR("Error: failed to get pktout queue for %s\n", intf);
exit(EXIT_FAILURE);
}
ret = odp_pktio_start(pktio);
if (ret) {
EXAMPLE_ERR("Error: unable to start %s\n", intf);
exit(EXIT_FAILURE);
}
/* Read the source MAC address for this interface */
ret = odp_pktio_mac_addr(pktio, src_mac, sizeof(src_mac));
if (ret <= 0) {
EXAMPLE_ERR("Error: failed during MAC address get for %s\n",
intf);
exit(EXIT_FAILURE);
}
printf("Created pktio:%02" PRIu64 ", queue mode (ATOMIC queues)\n"
" default pktio%02" PRIu64 "-INPUT queue:%" PRIu64 "\n"
" source mac address %s\n",
odp_pktio_to_u64(pktio), odp_pktio_to_u64(pktio),
odp_queue_to_u64(inq),
mac_addr_str(src_mac_str, src_mac));
/* Resolve any routes using this interface for output */
resolve_fwd_db(intf, pktout, src_mac);
}
/**
* Initialize interface
*
* Initialize ODP pktio and queues, query MAC address and update
* forwarding database.
*
* @param intf Interface name string
*/
static
void initialize_intf(char *intf)
{
odp_pktio_t pktio;
odp_queue_t outq_def;
odp_queue_t inq_def;
char inq_name[ODP_QUEUE_NAME_LEN];
odp_queue_param_t qparam;
int ret;
uint8_t src_mac[ODPH_ETHADDR_LEN];
char src_mac_str[MAX_STRING];
odp_pktio_param_t pktio_param;
odp_pktio_param_init(&pktio_param);
if (getenv("ODP_IPSEC_USE_POLL_QUEUES"))
pktio_param.in_mode = ODP_PKTIN_MODE_QUEUE;
else
pktio_param.in_mode = ODP_PKTIN_MODE_SCHED;
/*
* Open a packet IO instance for thread and get default output queue
*/
pktio = odp_pktio_open(intf, pkt_pool, &pktio_param);
if (ODP_PKTIO_INVALID == pktio) {
EXAMPLE_ERR("Error: pktio create failed for %s\n", intf);
exit(EXIT_FAILURE);
}
outq_def = odp_pktio_outq_getdef(pktio);
/*
* Create and set the default INPUT queue associated with the 'pktio'
* resource
*/
odp_queue_param_init(&qparam);
qparam.type = ODP_QUEUE_TYPE_PKTIN;
qparam.sched.prio = ODP_SCHED_PRIO_DEFAULT;
qparam.sched.sync = ODP_SCHED_SYNC_ATOMIC;
qparam.sched.group = ODP_SCHED_GROUP_ALL;
snprintf(inq_name, sizeof(inq_name), "%" PRIu64 "-pktio_inq_def",
odp_pktio_to_u64(pktio));
inq_name[ODP_QUEUE_NAME_LEN - 1] = '\0';
inq_def = queue_create(inq_name, &qparam);
if (ODP_QUEUE_INVALID == inq_def) {
EXAMPLE_ERR("Error: pktio queue creation failed for %s\n",
intf);
exit(EXIT_FAILURE);
}
ret = odp_pktio_inq_setdef(pktio, inq_def);
if (ret) {
EXAMPLE_ERR("Error: default input-Q setup for %s\n", intf);
exit(EXIT_FAILURE);
}
ret = odp_pktio_start(pktio);
if (ret) {
EXAMPLE_ERR("Error: unable to start %s\n", intf);
exit(EXIT_FAILURE);
}
/* Read the source MAC address for this interface */
ret = odp_pktio_mac_addr(pktio, src_mac, sizeof(src_mac));
if (ret <= 0) {
EXAMPLE_ERR("Error: failed during MAC address get for %s\n",
intf);
exit(EXIT_FAILURE);
}
printf("Created pktio:%02" PRIu64 ", queue mode (ATOMIC queues)\n"
" default pktio%02" PRIu64 "-INPUT queue:%" PRIu64 "\n"
" source mac address %s\n",
odp_pktio_to_u64(pktio), odp_pktio_to_u64(pktio),
odp_queue_to_u64(inq_def),
mac_addr_str(src_mac_str, src_mac));
/* Resolve any routes using this interface for output */
resolve_fwd_db(intf, outq_def, src_mac);
}