static int
__eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
{
struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
struct bond_dev_private *internals;
struct bond_dev_private *temp_internals;
struct rte_eth_link link_props;
struct rte_eth_dev_info dev_info;
int i, j;
if (valid_slave_port_id(slave_port_id) != 0)
return -1;
bonded_eth_dev = &rte_eth_devices[bonded_port_id];
internals = bonded_eth_dev->data->dev_private;
/* Verify that new slave device is not already a slave of another
* bonded device */
for (i = rte_eth_dev_count()-1; i >= 0; i--) {
if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
temp_internals = rte_eth_devices[i].data->dev_private;
for (j = 0; j < temp_internals->slave_count; j++) {
/* Device already a slave of a bonded device */
if (temp_internals->slaves[j].port_id == slave_port_id) {
RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
slave_port_id);
return -1;
}
}
}
}
slave_eth_dev = &rte_eth_devices[slave_port_id];
/* Add slave details to bonded device */
slave_add(internals, slave_eth_dev);
memset(&dev_info, 0, sizeof(dev_info));
rte_eth_dev_info_get(slave_port_id, &dev_info);
if (internals->slave_count < 1) {
/* if MAC is not user defined then use MAC of first slave add to
* bonded device */
if (!internals->user_defined_mac)
mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
/* Inherit eth dev link properties from first slave */
link_properties_set(bonded_eth_dev,
&(slave_eth_dev->data->dev_link));
/* Make primary slave */
internals->primary_port = slave_port_id;
/* Take the first dev's offload capabilities */
internals->rx_offload_capa = dev_info.rx_offload_capa;
internals->tx_offload_capa = dev_info.tx_offload_capa;
} else {
/* Check slave link properties are supported if props are set,
* all slaves must be the same */
if (internals->link_props_set) {
if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
&(slave_eth_dev->data->dev_link))) {
RTE_BOND_LOG(ERR,
"Slave port %d link speed/duplex not supported",
slave_port_id);
return -1;
}
} else {
link_properties_set(bonded_eth_dev,
&(slave_eth_dev->data->dev_link));
}
internals->rx_offload_capa &= dev_info.rx_offload_capa;
internals->tx_offload_capa &= dev_info.tx_offload_capa;
}
internals->slave_count++;
/* Update all slave devices MACs*/
mac_address_slaves_update(bonded_eth_dev);
if (bonded_eth_dev->data->dev_started) {
if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
slave_port_id);
return -1;
}
}
/* Register link status change callback with bonded device pointer as
* argument*/
rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
/* If bonded device is started then we can add the slave to our active
* slave array */
if (bonded_eth_dev->data->dev_started) {
rte_eth_link_get_nowait(slave_port_id, &link_props);
if (link_props.link_status == 1)
activate_slave(bonded_eth_dev, slave_port_id);
}
return 0;
}
/*
* static int
* comm_tcp_accept(int sock, struct timeval *timeout, slaveset_t *slaveset);
* -------------------------------------------------------------------------
* This function accepts TCP connections from slaves and inserts them into
* 'slaveset'.
*
* Mandatory params: sock, slaveset
* Optional params : timeout
*
* NOTES:
* If 'timeout' is not specified, the function may wait forever.
*
* Return values:
* -1: Error
* 0: Timeout while waiting
* 1: One slave added
*/
static int
comm_tcp_accept(int sock, struct timeval *timeout, slaveset_t *slaveset){
// Local variables
fd_set fds; // Select fd_set
int slave_sock = -1; // Socket to accept new slaves
struct sockaddr_in slave_addr; // Slave's address
socklen_t slave_len; // Address length
synexec_msg_t net_msg; // synexec msg
int err = 0; // Return code
// Wait until there is something to read
FD_ZERO(&fds);
FD_SET(sock, &fds);
err = select(sock+1, &fds, NULL, NULL, timeout);
if (err == -1){
perror("select");
fprintf(stderr, "%s: Error waiting to receive response from slaves.\n", __FUNCTION__);
goto out;
}else
if (err == 0){
goto out;
}
// There is a connection on the pipe
slave_len = sizeof(slave_addr);
if ((slave_sock = accept(sock, (struct sockaddr *)&slave_addr, &slave_len)) < 0){
perror("accept");
fprintf(stderr, "%s: Error accepting new connection.\n", __FUNCTION__);
goto err;
}
if (verbose > 0){
printf("%s: Accepted connection from '%s:%hu'.\n", __FUNCTION__,
inet_ntoa(slave_addr.sin_addr), ntohs(slave_addr.sin_port));
fflush(stdout);
}
// Process hello
if (comm_recv(slave_sock, &net_msg, NULL, NULL, NULL) <= 0){
(void)close(slave_sock);
err = 0;
goto out;
}
if (net_msg.command != MT_SYNEXEC_MSG_REPLY){
(void)close(slave_sock);
err = 0;
goto out;
}
// Add the connection to the slaveset
err = slave_add(slaveset, &slave_addr, slave_sock);
if (err && (verbose > 1)){
printf("%s: Added slave: %s:%hu (%d).\n", __FUNCTION__,
inet_ntoa(slave_addr.sin_addr), ntohs(slave_addr.sin_port), slave_sock);
fflush(stdout);
}
out:
// Return
return(err);
err:
err = -1;
goto out;
}
static int
__eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
{
struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
struct bond_dev_private *internals;
struct rte_eth_link link_props;
struct rte_eth_dev_info dev_info;
if (valid_slave_port_id(slave_port_id) != 0)
return -1;
bonded_eth_dev = &rte_eth_devices[bonded_port_id];
internals = bonded_eth_dev->data->dev_private;
slave_eth_dev = &rte_eth_devices[slave_port_id];
if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
return -1;
}
/* Add slave details to bonded device */
slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
rte_eth_dev_info_get(slave_port_id, &dev_info);
if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
slave_port_id);
return -1;
}
slave_add(internals, slave_eth_dev);
/* We need to store slaves reta_size to be able to synchronize RETA for all
* slave devices even if its sizes are different.
*/
internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
if (internals->slave_count < 1) {
/* if MAC is not user defined then use MAC of first slave add to
* bonded device */
if (!internals->user_defined_mac)
mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
/* Inherit eth dev link properties from first slave */
link_properties_set(bonded_eth_dev,
&(slave_eth_dev->data->dev_link));
/* Make primary slave */
internals->primary_port = slave_port_id;
internals->current_primary_port = slave_port_id;
/* Inherit queues settings from first slave */
internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
internals->reta_size = dev_info.reta_size;
/* Take the first dev's offload capabilities */
internals->rx_offload_capa = dev_info.rx_offload_capa;
internals->tx_offload_capa = dev_info.tx_offload_capa;
internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
/* Inherit first slave's max rx packet size */
internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
} else {
internals->rx_offload_capa &= dev_info.rx_offload_capa;
internals->tx_offload_capa &= dev_info.tx_offload_capa;
internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
/* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
* the power of 2, the lower one is GCD
*/
if (internals->reta_size > dev_info.reta_size)
internals->reta_size = dev_info.reta_size;
if (!internals->max_rx_pktlen &&
dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
}
bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
internals->flow_type_rss_offloads;
internals->slave_count++;
/* Update all slave devices MACs*/
mac_address_slaves_update(bonded_eth_dev);
if (bonded_eth_dev->data->dev_started) {
if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
slave_port_id);
return -1;
}
}
/* Register link status change callback with bonded device pointer as
* argument*/
rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
/* If bonded device is started then we can add the slave to our active
* slave array */
if (bonded_eth_dev->data->dev_started) {
rte_eth_link_get_nowait(slave_port_id, &link_props);
if (link_props.link_status == ETH_LINK_UP) {
if (internals->active_slave_count == 0 &&
!internals->user_defined_primary_port)
bond_ethdev_primary_set(internals,
slave_port_id);
if (find_slave_by_id(internals->active_slaves,
internals->active_slave_count,
slave_port_id) == internals->active_slave_count)
activate_slave(bonded_eth_dev, slave_port_id);
}
}
slave_vlan_filter_set(bonded_port_id, slave_port_id);
return 0;
}