This patch introduces following 2 startup options:
num-rx-desc
num-tx-desc
Which can be specified under the dpdk { dev PCI_ADDR {...} } or
dpdk { dev default {...} } .
"show hardware" output is extended to display what is set:
TenGigabitEthernet2/0/0 5 down TenGigabitEthernet2/0/0
Ethernet address 90:e2:ba:96:d0:54
Intel 82599
carrier up full duplex speed 10000 mtu 9216
rx queues 2, rx desc 512, tx queues 2, tx desc 1024
cpu socket 0
Change-Id: Ia832885c8e5cf0eb0575367e97581e7065934753
Signed-off-by: Damjan Marion <damarion@cisco.com>
#define foreach_dpdk_device_config_item \
_ (num_rx_queues) \
#define foreach_dpdk_device_config_item \
_ (num_rx_queues) \
+ _ (num_tx_queues) \
+ _ (num_rx_desc) \
+ _ (num_tx_desc)
typedef struct {
vlib_pci_addr_t pci_addr;
typedef struct {
vlib_pci_addr_t pci_addr;
pci->addr.devid, pci->addr.function);
s = format(s, "%Umax rx packet len: %d\n",
format_white_space, indent + 2, di.max_rx_pktlen);
pci->addr.devid, pci->addr.function);
s = format(s, "%Umax rx packet len: %d\n",
format_white_space, indent + 2, di.max_rx_pktlen);
+ s = format(s, "%Umax num of queues: rx %d tx %d\n",
+ format_white_space, indent + 2, di.max_rx_queues, di.max_tx_queues);
s = format(s, "%Upromiscuous: unicast %s all-multicast %s\n",
format_white_space, indent + 2,
rte_eth_promiscuous_get(xd->device_index) ? "on" : "off",
s = format(s, "%Upromiscuous: unicast %s all-multicast %s\n",
format_white_space, indent + 2,
rte_eth_promiscuous_get(xd->device_index) ? "on" : "off",
xd->tx_q_used, xd->tx_q_used);
}
xd->tx_q_used, xd->tx_q_used);
}
+ s = format (s, "%Urx queues %d, rx desc %d, tx queues %d, tx desc %d\n",
+ format_white_space, indent + 2,
+ xd->rx_q_used, xd->nb_rx_desc,
+ xd->tx_q_used, xd->nb_tx_desc);
+
- s = format (s, "%Ucpu socket %d\n%Uqueues rx %d (%d) tx %d (%d)",
- format_white_space, indent + 2, xd->cpu_socket,
- format_white_space, indent + 2,
- xd->rx_q_used, di.max_rx_queues,
- xd->tx_q_used, di.max_tx_queues);
+ s = format (s, "%Ucpu socket %d\n",
+ format_white_space, indent + 2, xd->cpu_socket);
xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
}
#endif
xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP;
}
#endif
+ if (devconf->num_rx_desc)
+ xd->nb_rx_desc = devconf->num_rx_desc;
+ if (devconf->num_tx_desc)
+ xd->nb_tx_desc = devconf->num_tx_desc;
{
if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
;
{
if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
;
- if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
+ else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
+ ;
+ else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
+ ;
+ else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))