#include <vlib/unix/unix.h>
#include <vlib/log.h>
+#include <vnet/vnet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/interface/rx_queue_funcs.h>
#include <dpdk/buffer.h>
{ ETH_LINK_SPEED_1G, "GigabitEthernet" },
};
+static clib_error_t *
+dpdk_set_mtu (vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 mtu)
+{
+ dpdk_main_t *dm = &dpdk_main;
+ dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
+ int rv;
+
+ rv = rte_eth_dev_set_mtu (xd->port_id, mtu);
+
+ if (rv < 0)
+ {
+ dpdk_log_err ("[%u] rte_eth_dev_set_mtu failed (mtu %u, rv %d)",
+ xd->port_id, mtu, rv);
+ switch (rv)
+ {
+ case -ENOTSUP:
+ return vnet_error (VNET_ERR_UNSUPPORTED,
+ "dpdk driver doesn't support MTU change");
+ case -EBUSY:
+ return vnet_error (VNET_ERR_BUSY, "port is running");
+ case -EINVAL:
+ return vnet_error (VNET_ERR_INVALID_VALUE, "invalid MTU");
+ default:
+ return vnet_error (VNET_ERR_BUG,
+ "unexpected return value %d returned from "
+ "rte_eth_dev_set_mtu(...)",
+ rv);
+ }
+ }
+ else
+ dpdk_log_debug ("[%u] mtu set to %u", xd->port_id, mtu);
+
+ return 0;
+}
+
static u32
dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
{
case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 1);
break;
- case ETHERNET_INTERFACE_FLAG_MTU:
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- rte_eth_dev_stop (xd->port_id);
- rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
- if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
- rte_eth_dev_start (xd->port_id);
- dpdk_log_debug ("[%u] mtu changed to %u", xd->port_id,
- hi->max_packet_bytes);
- return 0;
default:
return ~0;
}
eir.dev_instance = xd->device_index;
eir.address = addr;
eir.cb.flag_change = dpdk_flag_change;
+ eir.cb.set_mtu = dpdk_set_mtu;
xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
hi->numa_node = xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);