indigo_error_t
indigo_port_stats_get(
of_port_stats_request_t *port_stats_request,
of_port_stats_reply_t **port_stats_reply_ptr)
{
of_port_no_t req_of_port_num;
of_port_stats_reply_t *port_stats_reply;
indigo_error_t err = INDIGO_ERROR_NONE;
port_stats_reply = of_port_stats_reply_new(port_stats_request->version);
if (port_stats_reply == NULL) {
err = INDIGO_ERROR_RESOURCE;
goto out;
}
of_list_port_stats_entry_t list;
of_port_stats_reply_entries_bind(port_stats_reply, &list);
of_port_stats_request_port_no_get(port_stats_request, &req_of_port_num);
int dump_all = req_of_port_num == OF_PORT_DEST_NONE_BY_VERSION(port_stats_request->version);
/* Refresh statistics */
nl_cache_refill(route_cache_sock, link_cache);
struct nl_msg *msg = ind_ovs_create_nlmsg(ovs_vport_family, OVS_VPORT_CMD_GET);
if (dump_all) {
nlmsg_hdr(msg)->nlmsg_flags |= NLM_F_DUMP;
} else {
nla_put_u32(msg, OVS_VPORT_ATTR_PORT_NO, req_of_port_num);
}
/* Ask kernel to send us one or more OVS_VPORT_CMD_NEW messages */
if (nl_send_auto(ind_ovs_socket, msg) < 0) {
err = INDIGO_ERROR_UNKNOWN;
goto out;
}
ind_ovs_nlmsg_freelist_free(msg);
/* Handle OVS_VPORT_CMD_NEW messages */
nl_cb_set(netlink_callbacks, NL_CB_VALID, NL_CB_CUSTOM,
port_stats_iterator, &list);
if (nl_recvmsgs(ind_ovs_socket, netlink_callbacks) < 0) {
err = INDIGO_ERROR_UNKNOWN;
goto out;
}
out:
if (err != INDIGO_ERROR_NONE) {
of_port_stats_reply_delete(port_stats_reply);
port_stats_reply = NULL;
}
*port_stats_reply_ptr = port_stats_reply;
return err;
}
indigo_error_t indigo_port_stats_get(of_port_stats_request_t *port_stats_request,
of_port_stats_reply_t **port_stats_reply)
{
indigo_error_t err = INDIGO_ERROR_NONE;
OFDPA_ERROR_t ofdpa_rv = OFDPA_E_NONE;
of_port_no_t req_of_port_num;
of_port_stats_reply_t *reply;
int dump_all = 0;
uint32_t port = 0;
LOG_TRACE("%s() called", __FUNCTION__);
if (port_stats_request->version < OF_VERSION_1_3)
{
LOG_ERROR("Unsupported OpenFlow version 0x%x.", port_stats_request->version);
return INDIGO_ERROR_VERSION;
}
/* Allocate memory for the port stats reply
Note: Memory allocated is freed by the caller
of indigo_port_stats_get()*/
reply = of_port_stats_reply_new(port_stats_request->version);
if (reply == NULL)
{
LOG_ERROR("Error allocating memory for port stats reply.");
return INDIGO_ERROR_RESOURCE;
}
*port_stats_reply = reply;
of_list_port_stats_entry_t list;
of_port_stats_reply_entries_bind(*port_stats_reply, &list);
of_port_stats_request_port_no_get(port_stats_request, &req_of_port_num);
if (req_of_port_num == OF_PORT_DEST_NONE_BY_VERSION(port_stats_request->version))
{
ofdpa_rv = ofdpaPortNextGet(0, &port);
if (ofdpa_rv != OFDPA_E_NONE)
{
LOG_ERROR("Failed to get first port.");
of_port_stats_reply_delete(*port_stats_reply);
return indigoConvertOfdpaRv(ofdpa_rv) ;
}
/* dump the stats of all the ports */
dump_all = 1;
}
else
{
port = req_of_port_num;
}
do
{
err = ind_ofdpa_port_stats_set(port, &list);
if (err != INDIGO_ERROR_NONE)
{
LOG_ERROR("Error setting port stats LOCI object.");
break;
}
/* Break from the loop if he request is for a single port */
if (!dump_all)
{
break;
}
}while((ofdpaPortNextGet(port, &port) == OFDPA_E_NONE));
/* Free the reply message only on failure.
Reply message is freed by the caller on success */
if (err != INDIGO_ERROR_NONE)
{
of_port_stats_reply_delete(*port_stats_reply);
*port_stats_reply = NULL;
}
return err;
}
