#include <vppinfra/vec.h>
#include <vppinfra/error.h>
#include <vppinfra/format.h>
+#include <vppinfra/bitmap.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/devices/dpdk/dpdk.h>
#include <vlib/unix/physmem.h>
+#include <vlib/pci/pci.h>
#include <stdio.h>
#include <stdlib.h>
{
rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
xd->cpu_socket, &xd->tx_conf);
+
+ /* retry with any other CPU socket */
+ if (rv < 0)
+ rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc,
+ SOCKET_ID_ANY, &xd->tx_conf);
if (rv < 0)
break;
}
rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
xd->cpu_socket, 0,
bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
+
+ /* retry with any other CPU socket */
+ if (rv < 0)
+ rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc,
+ SOCKET_ID_ANY, 0,
+ bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]);
if (rv < 0)
return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d",
xd->device_index, rv);
* driver to dynamically change the mtu. If/when the
* VIC firmware gets fixed, then this should be removed.
*/
- if (xd->pmd == VNET_DPDK_PMD_VICE ||
- xd->pmd == VNET_DPDK_PMD_ENIC)
+ if (xd->pmd == VNET_DPDK_PMD_ENIC)
{
struct rte_eth_dev_info dev_info;
{
int rv;
- /*
- * DAW-FIXME: The DPDK VMXNET3 driver does not currently support
- * multi-buffer packets. Max out at 1518 bytes for now.
- *
- * If/when the driver gets fixed, then this should be
- * removed.
- */
- if ((xd->pmd == VNET_DPDK_PMD_VMXNET3) &&
- (hi->max_packet_bytes > 1518))
- {
- hi->max_packet_bytes = 1518;
-
- vlib_cli_output (vlib_get_main(),
- "VMXNET3 driver does not support jumbo frames "
- "yet -- setting mtu to 1518!");
- }
-
xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
if (xd->admin_up)
return old;
}
-#ifdef NETMAP
-extern int rte_netmap_probe(void);
-#endif
-
void
dpdk_device_lock_init(dpdk_device_t * xd)
{
clib_error_t * error;
vlib_main_t * vm = vlib_get_main();
vlib_thread_main_t * tm = vlib_get_thread_main();
+ vlib_node_runtime_t * rt;
vnet_sw_interface_t * sw;
vnet_hw_interface_t * hi;
dpdk_device_t * xd;
dm->input_cpu_first_index = 0;
dm->input_cpu_count = 1;
+ rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
+ rt->function = dpdk_input_multiarch_select();
+
/* find out which cpus will be used for input */
- p = hash_get_mem (tm->thread_registrations_by_name, "io");
+ p = hash_get_mem (tm->thread_registrations_by_name, "workers");
tr = p ? (vlib_thread_registration_t *) p[0] : 0;
- if (!tr || tr->count == 0)
- {
- /* no io threads, workers doing input */
- p = hash_get_mem (tm->thread_registrations_by_name, "workers");
- tr = p ? (vlib_thread_registration_t *) p[0] : 0;
- }
- else
- {
- dm->have_io_threads = 1;
- }
-
if (tr && tr->count > 0)
{
dm->input_cpu_first_index = tr->first_index;
vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
-#ifdef NETMAP
- if(rte_netmap_probe() < 0)
- return clib_error_return (0, "rte netmap probe failed");
-#endif
-
nports = rte_eth_dev_count();
if (nports < 1)
{
vlib_buffer_get_or_create_free_list (
vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx");
+ if (dm->conf->enable_tcp_udp_checksum)
+ dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
+ | IP_BUFFER_L4_CHECKSUM_COMPUTED);
+
for (i = 0; i < nports; i++)
{
u8 addr[6];
+ u8 vlan_strip = 0;
int j;
struct rte_eth_dev_info dev_info;
clib_error_t * rv;
struct rte_eth_link l;
+ dpdk_device_config_t * devconf = 0;
+ vlib_pci_addr_t pci_addr;
+ uword * p = 0;
+
+ rte_eth_dev_info_get(i, &dev_info);
+ if (dev_info.pci_dev) /* bonded interface has no pci info */
+ {
+ pci_addr.domain = dev_info.pci_dev->addr.domain;
+ pci_addr.bus = dev_info.pci_dev->addr.bus;
+ pci_addr.slot = dev_info.pci_dev->addr.devid;
+ pci_addr.function = dev_info.pci_dev->addr.function;
+ p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
+ }
+
+ if (p)
+ devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
+ else
+ devconf = &dm->conf->default_devconf;
/* Create vnet interface */
vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
xd->cpu_socket = (i8) rte_eth_dev_socket_id(i);
- rte_eth_dev_info_get(i, &dev_info);
- memcpy(&xd->tx_conf, &dev_info.default_txconf,
+ clib_memcpy(&xd->tx_conf, &dev_info.default_txconf,
sizeof(struct rte_eth_txconf));
- if (dm->no_multi_seg)
+ if (dm->conf->no_multi_seg)
{
xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
port_conf_template.rxmode.jumbo_frame = 0;
port_conf_template.rxmode.jumbo_frame = 1;
}
- memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
+ clib_memcpy(&xd->port_conf, &port_conf_template, sizeof(struct rte_eth_conf));
xd->tx_q_used = clib_min(dev_info.max_tx_queues, tm->n_vlib_mains);
- if (dm->max_tx_queues)
- xd->tx_q_used = clib_min(xd->tx_q_used, dm->max_tx_queues);
+ if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used)
+ xd->tx_q_used = clib_min(xd->tx_q_used, devconf->num_tx_queues);
- if (dm->use_rss > 1 && dev_info.max_rx_queues >= dm->use_rss)
+ if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
+ {
+ rt->function = dpdk_input_rss_multiarch_select();
+ dm->use_rss = 1;
+ }
+
+ if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues)
{
- xd->rx_q_used = dm->use_rss;
+ xd->rx_q_used = devconf->num_rx_queues;
xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
- xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
+ if (devconf->rss_fn == 0)
+ xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
+ else
+ xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
}
else
xd->rx_q_used = 1;
xd->dev_type = VNET_DPDK_DEV_ETH;
/* workaround for drivers not setting driver_name */
- if (!dev_info.driver_name)
+ if ((!dev_info.driver_name) && (dev_info.pci_dev))
dev_info.driver_name = dev_info.pci_dev->driver->name;
ASSERT(dev_info.driver_name);
xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
break;
+ case VNET_DPDK_PMD_DPAA2:
+ xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
+ break;
/* Cisco VIC */
- case VNET_DPDK_PMD_VICE:
case VNET_DPDK_PMD_ENIC:
rte_eth_link_get_nowait(i, &l);
+ xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC;
if (l.link_speed == 40000)
{
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE;
xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE;
}
else
{
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE;
xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE;
}
break;
xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
}
- #ifdef NETMAP
- if(strncmp(dev_info.driver_name, "vale", 4) == 0
- || strncmp(dev_info.driver_name, "netmap", 6) == 0)
- {
- xd->pmd = VNET_DPDK_PMD_NETMAP;
- 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;
}
/*
* Otherwise rte_eth_dev_configure() will fail and the port will
* not be available.
*/
- xd->port_conf.rxmode.max_rx_pkt_len =
- (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen) ?
- dev_info.max_rx_pktlen : ETHERNET_MAX_PACKET_BYTES;
+ if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
+ {
+ /*
+ * This device does not support the platforms's max frame
+ * size. Use it's advertised mru instead.
+ */
+ xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
+ }
+ else
+ {
+ xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
+ /*
+ * Some platforms do not account for Ethernet FCS (4 bytes) in
+ * MTU calculations. To interop with them increase mru but only
+ * if the device's settings can support it.
+ */
+ if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
+ xd->port_conf.rxmode.hw_strip_crc)
+ {
+ /*
+ * Allow additional 4 bytes (for Ethernet FCS). These bytes are
+ * stripped by h/w and so will not consume any buffer memory.
+ */
+ xd->port_conf.rxmode.max_rx_pkt_len += 4;
+ }
+ }
+
+#if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
/*
- * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
+ * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
*/
if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
{
xd->port_conf.rxmode.max_rx_pkt_len = 1518;
xd->port_conf.rxmode.jumbo_frame = 0;
}
+#endif
if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
{
u32 rnd;
rnd = (u32) (now * 1e6);
rnd = random_u32 (&rnd);
- memcpy (addr+2, &rnd, sizeof(rnd));
+ clib_memcpy (addr+2, &rnd, sizeof(rnd));
addr[0] = 2;
addr[1] = 0xfe;
}
dpdk_device_and_queue_t * dq;
int q;
- for (q = 0; q < xd->rx_q_used; q++)
- {
- int cpu = dm->input_cpu_first_index + next_cpu;
- unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
-
- /*
- * numa node for worker thread handling this queue
- * needed for taking buffers from the right mempool
- */
- vec_validate(xd->cpu_socket_id_by_queue, q);
- xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
-
- /*
- * construct vector of (device,queue) pairs for each worker thread
- */
- vec_add2(dm->devices_by_cpu[cpu], dq, 1);
- dq->device = xd->device_index;
- dq->queue_id = q;
-
- next_cpu++;
- if (next_cpu == dm->input_cpu_count)
- next_cpu = 0;
- }
+ if (devconf->workers)
+ {
+ int i;
+ q = 0;
+ clib_bitmap_foreach (i, devconf->workers, ({
+ int cpu = dm->input_cpu_first_index + i;
+ unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
+ vec_validate(xd->cpu_socket_id_by_queue, q);
+ xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
+ vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+ dq->device = xd->device_index;
+ dq->queue_id = q++;
+ }));
+ }
+ else
+ for (q = 0; q < xd->rx_q_used; q++)
+ {
+ int cpu = dm->input_cpu_first_index + next_cpu;
+ unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id;
+
+ /*
+ * numa node for worker thread handling this queue
+ * needed for taking buffers from the right mempool
+ */
+ vec_validate(xd->cpu_socket_id_by_queue, q);
+ xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore);
+
+ /*
+ * construct vector of (device,queue) pairs for each worker thread
+ */
+ vec_add2(dm->devices_by_cpu[cpu], dq, 1);
+ dq->device = xd->device_index;
+ dq->queue_id = q;
+
+ next_cpu++;
+ if (next_cpu == dm->input_cpu_count)
+ next_cpu = 0;
+ }
vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
CLIB_CACHE_LINE_BYTES);
* driver to dynamically change the mtu. If/when the
* VIC firmware gets fixed, then this should be removed.
*/
- if (xd->pmd == VNET_DPDK_PMD_VICE ||
- xd->pmd == VNET_DPDK_PMD_ENIC)
+ if (xd->pmd == VNET_DPDK_PMD_ENIC)
{
/*
* Initialize mtu to what has been set by CIMC in the firmware cfg.
*/
hi->max_packet_bytes = dev_info.max_rx_pktlen;
- /*
- * remove vlan tag from VIC port to fix VLAN0 issue.
- * TODO Handle VLAN tagged traffic
- */
- int vlan_off;
- vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
- vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
- rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off);
+ if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
+ vlan_strip = 1; /* remove vlan tag from VIC port by default */
+ else
+ clib_warning("VLAN strip disabled for interface\n");
}
+ else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
+ vlan_strip = 1;
+
+ if (vlan_strip)
+ {
+ int vlan_off;
+ vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index);
+ vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
+ if (rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off) == 0)
+ clib_warning("VLAN strip enabled for interface\n");
+ else
+ clib_warning("VLAN strip cannot be supported by interface\n");
+ }
+
+#if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0)
/*
- * DAW-FIXME: VMXNET3 driver doesn't support jumbo / multi-buffer pkts
+ * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts
*/
else if (xd->pmd == VNET_DPDK_PMD_VMXNET3)
hi->max_packet_bytes = 1518;
+#endif
hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
xd->port_conf.rxmode.max_rx_pkt_len - sizeof(ethernet_header_t);
}
#ifdef RTE_LIBRTE_KNI
- if (dm->num_kni) {
+ if (dm->conf->num_kni) {
clib_warning("Initializing KNI interfaces...");
- rte_kni_init(dm->num_kni);
- for (i = 0; i < dm->num_kni; i++)
+ rte_kni_init(dm->conf->num_kni);
+ for (i = 0; i < dm->conf->num_kni; i++)
{
u8 addr[6];
int j;
rnd = (u32) (now * 1e6);
rnd = random_u32 (&rnd);
- memcpy (addr+2, &rnd, sizeof(rnd));
+ clib_memcpy (addr+2, &rnd, sizeof(rnd));
addr[0] = 2;
addr[1] = 0xfe;
}
}
#endif
- if (nb_desc > dm->num_mbufs)
+ if (nb_desc > dm->conf->num_mbufs)
clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
- dm->num_mbufs, nb_desc);
+ dm->conf->num_mbufs, nb_desc);
/* init next vhost-user if index */
dm->next_vu_if_id = 0;
return 0;
}
-/*
- * Tell the vlib physical memory allocator that we've handled
- * the initialization. We don't actually do so until
- * vlib_main(...) callls the dpdk config function.
- */
-int vlib_app_physmem_init (vlib_main_t * vm, physmem_main_t * pm,
- int physmem_required)
+static void
+dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
{
- return 1;
-}
+ vlib_pci_main_t * pm = &pci_main;
+ clib_error_t * error;
+ vlib_pci_device_t * d;
+ pci_config_header_t * c;
+ u8 * pci_addr = 0;
+ int num_whitelisted = vec_len (conf->dev_confs);
-static clib_error_t *
-write_sys_fs (char * file_name, char * fmt, ...)
-{
- u8 * s;
- int fd;
+ pool_foreach (d, pm->pci_devs, ({
+ dpdk_device_config_t * devconf = 0;
+ c = &d->config0.header;
+ vec_reset_length (pci_addr);
+ pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
+
+ if (c->device_class != PCI_CLASS_NETWORK_ETHERNET)
+ continue;
- fd = open (file_name, O_WRONLY);
- if (fd < 0)
- return clib_error_return_unix (0, "open `%s'", file_name);
+ if (num_whitelisted)
+ {
+ uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
- va_list va;
- va_start (va, fmt);
- s = va_format (0, fmt, &va);
- va_end (va);
- vec_add1 (s, 0); // terminate c string
+ if (!p)
+ continue;
- if (write (fd, s, vec_len (s)) < 0)
- return clib_error_return_unix (0, "write '%s' to '%s'", s, file_name);
+ devconf = pool_elt_at_index (conf->dev_confs, p[0]);
+ }
- vec_free (s);
- close (fd);
- return 0;
-}
+ /* virtio */
+ if (c->vendor_id == 0x1af4 && c->device_id == 0x1000)
+ ;
+ /* vmxnet3 */
+ else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0)
+ ;
+ /* all Intel devices */
+ else if (c->vendor_id == 0x8086)
+ ;
+ /* Cisco VIC */
+ else if (c->vendor_id == 0x1137 && c->device_id == 0x0043)
+ ;
+ /* Chelsio T4/T5 */
+ else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000)
+ ;
+ else
+ {
+ clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
+ "at PCI address %s\n", (u16) c->vendor_id, (u16) c->device_id,
+ pci_addr);
+ continue;
+ }
-#define VIRTIO_PCI_NAME "virtio-pci"
+ error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
-static clib_error_t * dpdk_bind_eth_kernel_drivers (vlib_main_t * vm,
- char * pci_dev_id,
- char * kernel_driver)
+ if (error)
+ {
+ if (devconf == 0)
+ {
+ pool_get (conf->dev_confs, devconf);
+ hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
+ devconf - conf->dev_confs);
+ devconf->pci_addr.as_u32 = d->bus_address.as_u32;
+ }
+ devconf->is_blacklisted = 1;
+ clib_error_report (error);
+ }
+ }));
+ vec_free (pci_addr);
+}
+
+static clib_error_t *
+dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default)
{
- dpdk_main_t * dm = &dpdk_main;
- unformat_input_t _in;
- unformat_input_t * in = &_in;
clib_error_t * error = 0;
- u8 * line = 0, * modcmd = 0, * path = 0;
- u8 * pci_vid = 0, *pci_did = 0, * devname = 0;
- char *driver_name = kernel_driver;
- FILE * fp;
-
- /*
- * Bail out now if we're not running as root.
- * This allows non-privileged use of the packet generator, etc.
- */
- if (geteuid() != 0)
- return 0;
+ uword * p;
+ dpdk_device_config_t * devconf;
+ unformat_input_t sub_input;
- /*
- * Get all ethernet pci device numbers for the device type specified.
- */
- modcmd = format (0, "lspci -nDd %s | grep 0200 | "
- "awk '{ print $1, $3 }'%c", pci_dev_id, 0);
- if ((fp = popen ((const char *)modcmd, "r")) == NULL)
+ if (is_default)
{
- error = clib_error_return_unix (0,
- "Unable to get %s ethernet pci devices.",
- pci_dev_id);
- goto done;
+ devconf = &conf->default_devconf;
}
-
- vec_validate (line, BUFSIZ);
- vec_validate (path, BUFSIZ);
- while (fgets ((char *)line, BUFSIZ, fp) != NULL)
+ else
{
- struct stat st;
- u8 bind_uio = 1;
- line[strlen ((char *)line) - 1] = 0; // chomp trailing newline.
-
- unformat_init_string (in, (char *)line, strlen((char *)line) + 1);
- unformat(in, "%s %s:%s", &devname, &pci_vid, &pci_did);
- unformat_free (in);
-
- /*
- * Blacklist all ethernet interfaces in the
- * linux IP routing tables (route --inet --inet6)
- */
- if (strstr ((char *)dm->eth_if_blacklist, (char *)devname))
- continue;
-
- /*
- * If there are any devices whitelisted, then blacklist all devices
- * which are not explicitly whitelisted.
- */
- if (dm->eth_if_whitelist &&
- !strstr ((char *)dm->eth_if_whitelist, (char *)devname))
- continue;
-
-#ifdef NETMAP
- /*
- * Optimistically open the device as a netmap device.
- */
- if (eth_nm_open((char *)devname))
- continue;
-#endif
-
- _vec_len (path) = 0;
- path = format (path, "/sys/bus/pci/devices/%s/driver/unbind%c",
- devname, 0);
-
- /*
- * If the device is bound to a driver...
- */
- if (stat ((const char *)path, &st) == 0)
- {
- u8 * device_path;
-
- /*
- * If the interface is not a virtio...
- */
- if (!driver_name || strcmp(driver_name, VIRTIO_PCI_NAME))
- {
- /*
- * If it is already bound to driver, don't unbind/bind it.
- */
- device_path = format (0, "/sys/bus/pci/drivers/%s/%s/device%c",
- driver_name, devname, 0);
- if (stat ((const char *)device_path, &st) == 0)
- bind_uio = 0;
-
- vec_free (device_path);
- }
-
- /*
- * unbind it from the current driver
- */
- if (bind_uio)
- {
- _vec_len (path) -= 1;
- path = format (path, "%c", 0);
- error = write_sys_fs ((char *)path, "%s", devname);
- if (error)
- goto done;
- }
- }
-
- /*
- * DAW-FIXME: The following bind/unbind dance is necessary for the dpdk
- * virtio poll-mode driver to work.
- */
-
- if (driver_name && !strcmp(driver_name, VIRTIO_PCI_NAME))
- {
- /*
- * bind interface to the native kernel module
- */
- _vec_len (path) = 0;
- path = format (path, "/sys/bus/pci/drivers/%s/bind%c",
- driver_name, 0);
- error = write_sys_fs ((char *)path, "%s", devname);
- if (error)
- goto done;
-
- /*
- * unbind interface from the native kernel module
- */
- _vec_len (path) -= 5;
- path = format (path, "unbind%c", 0);
- error = write_sys_fs ((char *)path, "%s", devname);
- if (error)
- goto done;
- }
+ p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
- /*
- * bind the interface to igb_uio
- */
- if (bind_uio)
+ if (!p)
{
- _vec_len (path) = 0;
- path = format (path, "/sys/bus/pci/drivers/%s/new_id%c", driver_name, 0);
- error = write_sys_fs ((char *) path, "%s %s", pci_vid, pci_did);
- if (error)
- continue;
-
- _vec_len (path) = 0;
- path = format (path, "/sys/bus/pci/drivers/%s/bind%c", driver_name, 0);
- error = write_sys_fs ((char *) path, "%s", devname);
- if (error)
- {
- error = 0;
- continue;
- }
+ pool_get (conf->dev_confs, devconf);
+ hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs);
}
+ else
+ return clib_error_return(0, "duplicate configuration for PCI address %U",
+ format_vlib_pci_addr, &pci_addr);
}
-
- done:
- vec_free (line);
- vec_free (path);
- vec_free (devname);
- vec_free (pci_vid);
- vec_free (pci_did);
- vec_free (modcmd);
- pclose (fp);
- return error;
-}
-static u32
-get_node_free_hugepages_num (u32 node, u32 page_size)
-{
- FILE * fp;
- u8 * tmp;
+ devconf->pci_addr.as_u32 = pci_addr.as_u32;
- tmp = format (0, "/sys/devices/system/node/node%u/hugepages/hugepages-%ukB/"
- "free_hugepages%c", node, page_size, 0);
- fp = fopen ((char *) tmp, "r");
- vec_free(tmp);
+ if (!input)
+ return 0;
- if (fp != NULL)
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
- u8 * buffer = 0;
- u32 pages_avail = 0;
-
- vec_validate (buffer, 256-1);
- if (fgets ((char *)buffer, 256, fp))
+ if (unformat (input, "num-rx-queues %u", &devconf->num_rx_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))
+ ;
+ else if (unformat (input, "workers %U", unformat_bitmap_list,
+ &devconf->workers))
+ ;
+ else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
{
- unformat_input_t in;
- unformat_init_string (&in, (char *) buffer, strlen ((char *) buffer));
- unformat(&in, "%u", &pages_avail);
- unformat_free (&in);
+ error = unformat_rss_fn(&sub_input, &devconf->rss_fn);
+ if (error)
+ break;
}
- vec_free(buffer);
- fclose(fp);
- return pages_avail;
+ else if (unformat (input, "vlan-strip-offload off"))
+ devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
+ else if (unformat (input, "vlan-strip-offload on"))
+ devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ break;
+ }
}
- return 0;
+ if (error)
+ return error;
+
+ if (devconf->workers && devconf->num_rx_queues == 0)
+ devconf->num_rx_queues = clib_bitmap_count_set_bits(devconf->workers);
+ else if (devconf->workers &&
+ clib_bitmap_count_set_bits(devconf->workers) != devconf->num_rx_queues)
+ error = clib_error_return (0, "%U: number of worker threadds must be "
+ "equal to number of rx queues",
+ format_vlib_pci_addr, &pci_addr);
+
+ return error;
}
static clib_error_t *
{
clib_error_t * error = 0;
dpdk_main_t * dm = &dpdk_main;
+ dpdk_config_main_t * conf = &dpdk_config_main;
vlib_thread_main_t * tm = vlib_get_thread_main();
+ dpdk_device_config_t * devconf;
+ vlib_pci_addr_t pci_addr;
+ unformat_input_t sub_input;
u8 * s, * tmp = 0;
- u8 * pci_dev_id = 0;
u8 * rte_cmd = 0, * ethname = 0;
- FILE * rte_fp;
u32 log_level;
int ret, i;
- char * fmt;
-#ifdef NETMAP
- int rxrings, txrings, rxslots, txslots, txburst;
- char * nmnam;
-#endif
- unformat_input_t _in;
- unformat_input_t * in = &_in;
+ int num_whitelisted = 0;
u8 no_pci = 0;
u8 no_huge = 0;
u8 huge_dir = 0;
- u8 dump_physmem = 0;
u8 file_prefix = 0;
u8 * socket_mem = 0;
+ conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
+
// MATT-FIXME: inverted virtio-vhost logic to use virtio by default
- dm->use_virtio_vhost = 1;
+ conf->use_virtio_vhost = 1;
while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
{
/* Prime the pump */
if (unformat (input, "no-hugetlb"))
{
- vec_add1 (dm->eal_init_args, (u8 *) "no-huge");
+ vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
no_huge = 1;
}
else if (unformat (input, "enable-tcp-udp-checksum"))
- {
- dm->buffer_flags_template &=
- ~(IP_BUFFER_L4_CHECKSUM_CORRECT | IP_BUFFER_L4_CHECKSUM_COMPUTED);
- }
+ conf->enable_tcp_udp_checksum = 1;
else if (unformat (input, "decimal-interface-names"))
- dm->interface_name_format_decimal = 1;
+ conf->interface_name_format_decimal = 1;
else if (unformat (input, "no-multi-seg"))
- dm->no_multi_seg = 1;
+ conf->no_multi_seg = 1;
- else if (unformat (input, "dev %s", &pci_dev_id))
+ else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
+ &sub_input))
{
- if (dm->eth_if_whitelist)
- {
- /*
- * Don't add duplicate device id's.
- */
- if (strstr ((char *)dm->eth_if_whitelist, (char *)pci_dev_id))
- continue;
-
- _vec_len (dm->eth_if_whitelist) -= 1; // chomp trailing NULL.
- dm->eth_if_whitelist = format (dm->eth_if_whitelist, " %s%c",
- pci_dev_id, 0);
- }
- else
- dm->eth_if_whitelist = format (0, "%s%c", pci_dev_id, 0);
+ error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~1, &sub_input, 1);
+
+ if (error)
+ return error;
}
+ else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
+ unformat_vlib_cli_sub_input, &sub_input))
+ {
+ error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
-#ifdef NETMAP
- else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d",
- &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) {
- char * rv;
- rv = (char *)
- eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst);
- if (rv) {
- error = clib_error_return (0, "%s", rv);
- goto done;
- }
- }else if (unformat(input, "netmap %s", &nmname)) {
- char * rv;
- rv = (char *)
- eth_nm_args(nmname, 0, 0, 0, 0, 0);
- if (rv) {
- error = clib_error_return (0, "%s", rv);
- goto done;
- }
- }
-#endif
+ if (error)
+ return error;
- else if (unformat (input, "dump-physmem"))
- dump_physmem = 1;
- else if (unformat (input, "num-mbufs %d", &dm->num_mbufs))
- ;
- else if (unformat (input, "max-tx-queues %d", &dm->max_tx_queues))
+ num_whitelisted++;
+ }
+ else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
+ {
+ error = dpdk_device_config (conf, pci_addr, 0, 0);
+
+ if (error)
+ return error;
+
+ num_whitelisted++;
+ }
+ else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
;
- else if (unformat (input, "kni %d", &dm->num_kni))
+ else if (unformat (input, "kni %d", &conf->num_kni))
;
- else if (unformat (input, "uio-driver %s", &dm->uio_driver_name))
+ else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
+ ;
+ else if (unformat (input, "socket-mem %s", &socket_mem))
;
- else if (unformat (input, "vhost-user-coalesce-frames %d", &dm->vhost_coalesce_frames))
+ else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames))
;
- else if (unformat (input, "vhost-user-coalesce-time %f", &dm->vhost_coalesce_time))
+ else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time))
;
else if (unformat (input, "enable-vhost-user"))
- dm->use_virtio_vhost = 0;
- else if (unformat (input, "rss %d", &dm->use_rss))
+ conf->use_virtio_vhost = 0;
+ else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
;
#define _(a) \
if (!strncmp(#a, "no-pci", 6)) \
no_pci = 1; \
tmp = format (0, "--%s%c", #a, 0); \
- vec_add1 (dm->eal_init_args, tmp); \
+ vec_add1 (conf->eal_init_args, tmp); \
}
foreach_eal_double_hyphen_predicate_arg
#undef _
huge_dir = 1; \
else if (!strncmp(#a, "file-prefix", 11)) \
file_prefix = 1; \
- else if (!strncmp(#a, "socket-mem", 10)) \
- socket_mem = vec_dup (s); \
tmp = format (0, "--%s%c", #a, 0); \
- vec_add1 (dm->eal_init_args, tmp); \
+ vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
- vec_add1 (dm->eal_init_args, s); \
+ vec_add1 (conf->eal_init_args, s); \
}
foreach_eal_double_hyphen_arg
#undef _
else if (unformat(input, #a " %s", &s)) \
{ \
tmp = format (0, "-%s%c", #b, 0); \
- vec_add1 (dm->eal_init_args, tmp); \
+ vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
- vec_add1 (dm->eal_init_args, s); \
+ vec_add1 (conf->eal_init_args, s); \
}
foreach_eal_single_hyphen_arg
#undef _
else if (unformat(input, #a " %s", &s)) \
{ \
tmp = format (0, "-%s%c", #b, 0); \
- vec_add1 (dm->eal_init_args, tmp); \
+ vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
- vec_add1 (dm->eal_init_args, s); \
- dm->a##_set_manually = 1; \
+ vec_add1 (conf->eal_init_args, s); \
+ conf->a##_set_manually = 1; \
}
foreach_eal_single_hyphen_mandatory_arg
#undef _
}
}
- if (!dm->uio_driver_name)
- dm->uio_driver_name = format (0, "igb_uio");
+ if (!conf->uio_driver_name)
+ conf->uio_driver_name = format (0, "igb_uio%c", 0);
/*
* Use 1G huge pages if available.
*/
if (!no_huge && !huge_dir)
{
- uword * mem_by_socket = hash_create (0, sizeof (uword));
- uword c;
+ u32 x, * mem_by_socket = 0;
+ uword c = 0;
u8 use_1g = 1;
u8 use_2m = 1;
+ u8 less_than_1g = 1;
int rv;
umount(DEFAULT_HUGE_DIR);
/* Process "socket-mem" parameter value */
if (vec_len (socket_mem))
- {
- unformat_input_t in;
- unformat_init_vector(&in, socket_mem);
- unformat(&in, "%U", unformat_socket_mem, &mem_by_socket);
- unformat_free(&in);
- }
+ {
+ unformat_input_t in;
+ unformat_init_vector(&in, socket_mem);
+ while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&in, "%u,", &x))
+ ;
+ else if (unformat (&in, "%u", &x))
+ ;
+ else if (unformat (&in, ","))
+ x = 0;
+ else
+ break;
+
+ vec_add1(mem_by_socket, x);
+
+ if (x > 1023)
+ less_than_1g = 0;
+ }
+ /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
+ unformat_free(&in);
+ socket_mem = 0;
+ }
else
- use_1g = 0;
+ {
+ clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
+ {
+ vec_validate(mem_by_socket, c);
+ mem_by_socket[c] = 256; /* default per-socket mem */
+ }
+ ));
+ }
/* check if available enough 1GB pages for each socket */
- clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ({
- uword * p = hash_get (mem_by_socket, c);
- if (p)
- {
- u32 mem = p[0];
- if (mem)
- {
- u32 pages_num_1g = mem / 1024;
- u32 pages_num_2m = mem / 2;
- u32 pages_avail;
-
- pages_avail = get_node_free_hugepages_num(c, 1048576);
- if (!(pages_avail >= pages_num_1g))
- use_1g = 0;
-
- pages_avail = get_node_free_hugepages_num(c, 2048);
- if (!(pages_avail >= pages_num_2m))
- use_2m = 0;
- }
- }
+ clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
+ {
+ u32 pages_avail, page_size, mem;
+ u8 *s = 0;
+ u8 *p = 0;
+ char * numa_path = "/sys/devices/system/node/node%u/";
+ char * nonnuma_path = "/sys/kernel/mm/";
+ char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c";
+ char * path = NULL;
+ struct stat sb_numa, sb_nonnuma;
+
+ p = format(p, numa_path, c);
+ stat(numa_path, &sb_numa);
+ stat(nonnuma_path, &sb_nonnuma);
+
+ if (S_ISDIR(sb_numa.st_mode)) {
+ path = (char*)format((u8*)path, "%s%s", p, suffix);
+ } else if (S_ISDIR(sb_nonnuma.st_mode)) {
+ path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix);
+ } else {
+ use_1g = 0;
+ use_2m = 0;
+ vec_free(p);
+ break;
+ }
+
+ vec_validate(mem_by_socket, c);
+ mem = mem_by_socket[c];
+
+ page_size = 1024;
+ pages_avail = 0;
+ s = format (s, path, page_size * 1024, 0);
+ vlib_sysfs_read ((char *) s, "%u", &pages_avail);
+ vec_reset_length (s);
+
+ if (page_size * pages_avail < mem)
+ use_1g = 0;
+
+ page_size = 2;
+ pages_avail = 0;
+ s = format (s, path, page_size * 1024, 0);
+ vlib_sysfs_read ((char *) s, "%u", &pages_avail);
+ vec_reset_length (s);
+
+ if (page_size * pages_avail < mem)
+ use_2m = 0;
+
+ vec_free(s);
+ vec_free(p);
+ vec_free(path);
}));
+ _vec_len (mem_by_socket) = c + 1;
+
+ /* regenerate socket_mem string */
+ vec_foreach_index (x, mem_by_socket)
+ socket_mem = format (socket_mem, "%s%u",
+ socket_mem ? "," : "",
+ mem_by_socket[x]);
+ socket_mem = format (socket_mem, "%c", 0);
- hash_free (mem_by_socket);
+ vec_free (mem_by_socket);
rv = mkdir(VPP_RUN_DIR, 0755);
if (rv && errno != EEXIST)
goto done;
}
- if (use_1g)
+ if (use_1g && !(less_than_1g && use_2m))
{
rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
}
}
tmp = format (0, "--huge-dir%c", 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
if (!file_prefix)
{
tmp = format (0, "--file-prefix%c", 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "vpp%c", 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
}
}
- /*
- * Blacklist all ethernet interfaces in the linux IP routing tables.
- */
- dm->eth_if_blacklist = format (0, "%c", 0);
- rte_cmd = format (0, "route --inet --inet6 -n|awk '{print $7}'|sort -u|"
- "egrep $(echo $(ls -1d /sys/class/net/*/device|"
- "cut -d/ -f5)|sed -s 's/ /|/g')%c", 0);
- if ((rte_fp = popen ((const char *)rte_cmd, "r")) == NULL)
- {
- error = clib_error_return_unix (0, "Unable to find blacklist ethernet"
- " interface(s) in linux routing tables.");
- goto rte_cmd_err;
-
- }
-
- vec_validate (ethname, BUFSIZ);
- while (fgets ((char *)ethname, BUFSIZ, rte_fp) != NULL)
- {
- FILE *rlnk_fp;
- u8 * rlnk_cmd = 0, * devname = 0;
-
- ethname[strlen ((char *)ethname) - 1] = 0; // chomp trailing newline.
-
- rlnk_cmd = format (0, "readlink /sys/class/net/%s%c",
- ethname, 0);
-
- if ((rlnk_fp = popen ((const char *)rlnk_cmd, "r")) == NULL)
- {
- error = clib_error_return_unix (0, "Unable to read %s link.",
- ethname);
- goto rlnk_cmd_err;
- }
-
- vec_validate (devname, BUFSIZ);
- while (fgets ((char *)devname, BUFSIZ, rlnk_fp) != NULL)
- {
- char * pci_id = 0;
-
- /*
- * Extract the device PCI ID name from the link. It is the first
- * PCI ID searching backwards from the end of the link pathname.
- * For example:
- * readlink /sys/class/net/eth0
- * ../../devices/pci0000:00/0000:00:0a.0/virtio4/net/eth0
- */
- for (pci_id = (char *)((devname + strlen((char *)devname)));
- ((u8 *)pci_id > devname) && *pci_id != '.'; pci_id--)
- ;
-
- /*
- * Verify that the field found is a valid PCI ID.
- */
- if ((*(pci_id - 1) == '.') || ((u8 *)(pci_id - 11) < devname) ||
- (*(pci_id - 11) != '/') || (*(pci_id - 3) != ':') ||
- (*(pci_id - 6) != ':'))
- {
- devname[strlen ((char *)devname) - 1] = 0; // chomp trailing newline.
- clib_warning ("Unable to extract %s PCI ID (0x%llx \"%s\") "
- "from 0x%llx \"%s\"", ethname, pci_id, pci_id,
- devname, devname);
- continue;
- }
-
- pci_id[2] = 0;
- pci_id -= 10;
-
- /* Don't blacklist any interfaces which have been whitelisted.
- */
- if (dm->eth_if_whitelist &&
- strstr ((char *)dm->eth_if_whitelist, (char *)pci_id))
- continue;
-
- _vec_len (dm->eth_if_blacklist) -= 1; // chomp trailing NULL.
- dm->eth_if_blacklist = format (dm->eth_if_blacklist, " %s%c",
- pci_id, 0);
- }
-
- rlnk_cmd_err:
- pclose (rlnk_fp);
- vec_free (rlnk_cmd);
- vec_free (devname);
- }
-
- rte_cmd_err:
- pclose (rte_fp);
vec_free (rte_cmd);
vec_free (ethname);
return error;
/* I'll bet that -c and -n must be the first and second args... */
- if (!dm->coremask_set_manually)
+ if (!conf->coremask_set_manually)
{
vlib_thread_registration_t * tr;
uword * coremask = 0;
coremask = clib_bitmap_or(coremask, tr->coremask);
}
- vec_insert (dm->eal_init_args, 2, 1);
- dm->eal_init_args[1] = (u8 *) "-c";
+ vec_insert (conf->eal_init_args, 2, 1);
+ conf->eal_init_args[1] = (u8 *) "-c";
tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
- dm->eal_init_args[2] = tmp;
+ conf->eal_init_args[2] = tmp;
clib_bitmap_free(coremask);
}
- if (!dm->nchannels_set_manually)
+ if (!conf->nchannels_set_manually)
{
- vec_insert (dm->eal_init_args, 2, 3);
- dm->eal_init_args[3] = (u8 *) "-n";
- tmp = format (0, "%d", dm->nchannels);
- dm->eal_init_args[4] = tmp;
+ vec_insert (conf->eal_init_args, 2, 3);
+ conf->eal_init_args[3] = (u8 *) "-n";
+ tmp = format (0, "%d", conf->nchannels);
+ conf->eal_init_args[4] = tmp;
}
- /*
- * If there are whitelisted devices,
- * add the whitelist option & device list to the dpdk arg list...
- */
- if (dm->eth_if_whitelist)
- {
- unformat_init_string (in, (char *)dm->eth_if_whitelist,
- vec_len(dm->eth_if_whitelist) - 1);
- fmt = "-w%c";
- }
+ if (no_pci == 0 && geteuid() == 0)
+ dpdk_bind_devices_to_uio(conf);
- /*
- * Otherwise add the blacklisted devices to the dpdk arg list.
- */
- else
- {
- unformat_init_string (in, (char *)dm->eth_if_blacklist,
- vec_len(dm->eth_if_blacklist) - 1);
- fmt = "-b%c";
- }
+#define _(x) \
+ if (devconf->x == 0 && conf->default_devconf.x > 0) \
+ devconf->x = conf->default_devconf.x ;
- while (unformat_check_input (in) != UNFORMAT_END_OF_INPUT)
- {
- tmp = format (0, fmt, 0);
- vec_add1 (dm->eal_init_args, tmp);
- unformat (in, "%s", &pci_dev_id);
- vec_add1 (dm->eal_init_args, pci_dev_id);
- }
+ pool_foreach (devconf, conf->dev_confs, ({
- if (no_pci == 0)
- {
- /*
- * Bind Virtio pci devices to the igb_uio kernel driver.
- */
- error = dpdk_bind_eth_kernel_drivers (vm, "1af4:1000", VIRTIO_PCI_NAME);
- if (error)
- return error;
+ /* default per-device config items */
+ foreach_dpdk_device_config_item
- /*
- * Bind vmxnet3 pci devices to the igb_uio kernel driver.
- */
- error = dpdk_bind_eth_kernel_drivers (vm, "15ad:07b0",
- (char *) dm->uio_driver_name);
- if (error)
- return error;
+ /* add DPDK EAL whitelist/blacklist entry */
+ if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
+ {
+ tmp = format (0, "-w%c", 0);
+ vec_add1 (conf->eal_init_args, tmp);
+ tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
+ vec_add1 (conf->eal_init_args, tmp);
+ }
+ else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
+ {
+ tmp = format (0, "-b%c", 0);
+ vec_add1 (conf->eal_init_args, tmp);
+ tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
+ vec_add1 (conf->eal_init_args, tmp);
+ }
+ }));
- /*
- * Bind Intel ethernet pci devices to igb_uio kernel driver.
- */
- error = dpdk_bind_eth_kernel_drivers (vm, "8086:",
- (char *) dm->uio_driver_name);
- /*
- * Bind Cisco VIC ethernet pci devices to igb_uio kernel driver.
- */
- error = dpdk_bind_eth_kernel_drivers (vm, "1137:0043",
- (char *) dm->uio_driver_name);
- }
+#undef _
/* set master-lcore */
tmp = format (0, "--master-lcore%c", 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "%u%c", tm->main_lcore, 0);
- vec_add1 (dm->eal_init_args, tmp);
+ vec_add1 (conf->eal_init_args, tmp);
+
+ /* set socket-mem */
+ tmp = format (0, "--socket-mem%c", 0);
+ vec_add1 (conf->eal_init_args, tmp);
+ tmp = format (0, "%s%c", socket_mem, 0);
+ vec_add1 (conf->eal_init_args, tmp);
/* NULL terminate the "argv" vector, in case of stupidity */
- vec_add1 (dm->eal_init_args, 0);
- _vec_len(dm->eal_init_args) -= 1;
+ vec_add1 (conf->eal_init_args, 0);
+ _vec_len(conf->eal_init_args) -= 1;
/* Set up DPDK eal and packet mbuf pool early. */
rte_set_log_level (log_level);
- vm = dm->vlib_main;
+ vm = vlib_get_main ();
/* make copy of args as rte_eal_init tends to mess up with arg array */
- for (i = 1; i < vec_len(dm->eal_init_args); i++)
- dm->eal_init_args_str = format(dm->eal_init_args_str, "%s ",
- dm->eal_init_args[i]);
+ for (i = 1; i < vec_len(conf->eal_init_args); i++)
+ conf->eal_init_args_str = format(conf->eal_init_args_str, "%s ",
+ conf->eal_init_args[i]);
- if (CLIB_DEBUG > 0)
- {
- int ix;
-
- clib_warning ("DPDK eal init args:\n");
- for (ix=0; ix<vec_len(dm->eal_init_args); ix++) {
- clib_warning (" %s\n", dm->eal_init_args[ix]);
- }
- }
-
- ret = rte_eal_init(vec_len(dm->eal_init_args), (char **) dm->eal_init_args);
+ ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args);
/* lazy umount hugepages */
umount2(DEFAULT_HUGE_DIR, MNT_DETACH);
return clib_error_return (0, "rte_eal_init returned %d", ret);
/* Dump the physical memory layout prior to creating the mbuf_pool */
- if (dump_physmem) {
- fprintf(stdout, "DPDK physical memory layout:\n");
- rte_dump_physmem_layout(stdout);
- }
+ fprintf(stdout, "DPDK physical memory layout:\n");
+ rte_dump_physmem_layout(stdout);
/* main thread 1st */
- error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE, rte_socket_id());
+ error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id());
if (error)
return error;
for (i = 0; i < RTE_MAX_LCORE; i++)
{
- error = vlib_buffer_pool_create(vm, dm->num_mbufs, MBUF_SIZE,
+ error = vlib_buffer_pool_create(vm, conf->num_mbufs,
rte_lcore_to_socket_id(i));
if (error)
return error;
}
- if (dm->use_rss)
- {
- vlib_node_runtime_t * rt = vlib_node_get_runtime (vm, dpdk_input_node.index);
- rt->function = dpdk_input_rss;
- }
done:
return error;
}
break;
}
}
+#if RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0)
+ if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
+ {
+ hw_flags_chg = 1;
+ switch (xd->link.link_speed)
+ {
+ case ETH_SPEED_NUM_10M:
+ hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
+ break;
+ case ETH_SPEED_NUM_100M:
+ hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
+ break;
+ case ETH_SPEED_NUM_1G:
+ hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
+ break;
+ case ETH_SPEED_NUM_10G:
+ hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
+ break;
+ case ETH_SPEED_NUM_40G:
+ hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
+ break;
+ case 0:
+ break;
+ default:
+ clib_warning("unknown link speed %d", xd->link.link_speed);
+ break;
+ }
+ }
+#else
if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
{
hw_flags_chg = 1;
break;
}
}
+#endif
if (hw_flags_chg)
{
if (LINK_STATE_ELOGS)
if (tm->n_vlib_mains == 1)
vlib_node_set_state (vm, dpdk_input_node.index,
VLIB_NODE_STATE_POLLING);
- else if (tm->main_thread_is_io_node)
- vlib_node_set_state (vm, dpdk_io_input_node.index,
- VLIB_NODE_STATE_POLLING);
- else if (!dm->have_io_threads)
+ else
for (i=0; i < tm->n_vlib_mains; i++)
if (vec_len(dm->devices_by_cpu[i]) > 0)
vlib_node_set_state (vlib_mains[i], dpdk_input_node.index,
dpdk_vhost_user_process_init(&vu_state);
- dm->io_thread_release = 1;
+ tm->worker_thread_release = 1;
f64 now = vlib_time_now (vm);
vec_foreach (xd, dm->devices)
dpdk_update_link_state (xd, now);
}
-{ // Setup MACs for bond interfaces and their links which was initialized in
- // dpdk_port_setup() but needs to be done again here to take effect.
+{ // Extra set up for bond interfaces:
+ // 1. Setup MACs for bond interfaces and their slave links which was set
+ // in dpdk_port_setup() but needs to be done again here to take effect.
+ // 2. Set max L3 packet size of each bond interface to the lowerst value of
+ // its slave links
+ // 3. Set up info for bond interface related CLI support.
int nports = rte_eth_dev_count();
if (nports > 0) {
for (i = 0; i < nports; i++) {
u8 slink[16];
int nlink = rte_eth_bond_slaves_get(i, slink, 16);
if (nlink > 0) {
- vnet_hw_interface_t * hi;
- ethernet_interface_t * ei;
+ vnet_hw_interface_t * bhi;
+ ethernet_interface_t * bei;
/* Get MAC of 1st slave link */
rte_eth_macaddr_get(slink[0], (struct ether_addr *)addr);
/* Set MAC of bounded interface to that of 1st slave link */
rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr);
/* Populate MAC of bonded interface in VPP hw tables */
- hi = vnet_get_hw_interface (
+ bhi = vnet_get_hw_interface(
vnm, dm->devices[i].vlib_hw_if_index);
- ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
- memcpy (hi->hw_address, addr, 6);
- memcpy (ei->address, addr, 6);
- /* Add MAC to other slave links */
- while (nlink > 1) {
- nlink--;
- rte_eth_dev_mac_addr_add(
- slink[nlink], (struct ether_addr *)addr, 0);
+ bei = pool_elt_at_index(em->interfaces, bhi->hw_instance);
+ clib_memcpy(bhi->hw_address, addr, 6);
+ clib_memcpy(bei->address, addr, 6);
+ /* Init l3 packet size allowed on bonded interface */
+ bhi->max_l3_packet_bytes[VLIB_RX] =
+ bhi->max_l3_packet_bytes[VLIB_TX] =
+ ETHERNET_MAX_PACKET_BYTES - sizeof(ethernet_header_t);
+ while (nlink >= 1) { /* for all slave links */
+ int slave = slink[--nlink];
+ dpdk_device_t * sdev = &dm->devices[slave];
+ vnet_hw_interface_t * shi;
+ vnet_sw_interface_t * ssi;
+ /* Add MAC to all slave links except the first one */
+ if (nlink) rte_eth_dev_mac_addr_add(
+ slave, (struct ether_addr *)addr, 0);
+ /* Set slaves bitmap for bonded interface */
+ bhi->bond_info = clib_bitmap_set(
+ bhi->bond_info, sdev->vlib_hw_if_index, 1);
+ /* Set slave link flags on slave interface */
+ shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index);
+ ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index);
+ shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
+ ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
+ /* Set l3 packet size allowed as the lowest of slave */
+ if (bhi->max_l3_packet_bytes[VLIB_RX] >
+ shi->max_l3_packet_bytes[VLIB_RX])
+ bhi->max_l3_packet_bytes[VLIB_RX] =
+ bhi->max_l3_packet_bytes[VLIB_TX] =
+ shi->max_l3_packet_bytes[VLIB_RX];
}
}
}
while (1)
{
- vlib_process_wait_for_event_or_clock (vm, 5.0);
+ /*
+ * check each time through the loop in case intervals are changed
+ */
+ f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
+ dm->link_state_poll_interval : dm->stat_poll_interval;
+
+ vlib_process_wait_for_event_or_clock (vm, min_wait);
if (dpdk_get_admin_up_down_in_progress())
/* skip the poll if an admin up down is in progress (on any interface) */
vec_foreach (xd, dm->devices)
{
f64 now = vlib_time_now (vm);
- if ((now - xd->time_last_stats_update) >= DPDK_STATS_POLL_INTERVAL)
+ if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
dpdk_update_counters (xd, now);
- if ((now - xd->time_last_link_update) >= DPDK_LINK_POLL_INTERVAL)
+ if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
dpdk_update_link_state (xd, now);
if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER)
.process_log2_n_stack_bytes = 17,
};
+int dpdk_set_stat_poll_interval (f64 interval)
+{
+ if (interval < DPDK_MIN_STATS_POLL_INTERVAL)
+ return (VNET_API_ERROR_INVALID_VALUE);
+
+ dpdk_main.stat_poll_interval = interval;
+
+ return 0;
+}
+
+int dpdk_set_link_state_poll_interval (f64 interval)
+{
+ if (interval < DPDK_MIN_LINK_POLL_INTERVAL)
+ return (VNET_API_ERROR_INVALID_VALUE);
+
+ dpdk_main.link_state_poll_interval = interval;
+
+ return 0;
+}
+
clib_error_t *
dpdk_init (vlib_main_t * vm)
{
ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0);
ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0);
- /* Add references to DPDK Driver Constructor functions to get the dynamic
- * loader to pull in the driver library & run the constructors.
- */
-#define _(d) \
-do { \
- void devinitfn_ ##d(void); \
- __attribute__((unused)) void (* volatile pf)(void); \
- pf = devinitfn_ ##d; \
-} while(0);
-
-#ifdef RTE_LIBRTE_EM_PMD
- _(em_pmd_drv)
-#endif
-
-#ifdef RTE_LIBRTE_IGB_PMD
- _(pmd_igb_drv)
-#endif
-
-#ifdef RTE_LIBRTE_IXGBE_PMD
- _(rte_ixgbe_driver)
-#endif
-
-#ifdef RTE_LIBRTE_I40E_PMD
- _(rte_i40e_driver)
- _(rte_i40evf_driver)
-#endif
-
-#ifdef RTE_LIBRTE_FM10K_PMD
- _(rte_fm10k_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VIRTIO_PMD
- _(rte_virtio_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VMXNET3_PMD
- _(rte_vmxnet3_driver)
-#endif
-
-#ifdef RTE_LIBRTE_VICE_PMD
- _(rte_vice_driver)
-#endif
-
-#ifdef RTE_LIBRTE_ENIC_PMD
- _(rte_enic_driver)
-#endif
-
-#ifdef RTE_LIBRTE_PMD_AF_PACKET
- _(pmd_af_packet_drv)
-#endif
-
-#ifdef RTE_LIBRTE_CXGBE_PMD
- _(rte_cxgbe_driver)
-#endif
-
-#ifdef RTE_LIBRTE_PMD_BOND
- _(bond_drv)
-#endif
-
-#undef _
-
-/*
- * At the moment, the ThunderX NIC driver doesn't have
- * an entry point named "devinitfn_rte_xxx_driver"
- */
-#define _(d) \
-do { \
- void d(void); \
- __attribute__((unused)) void (* volatile pf)(void); \
- pf = d; \
-} while(0);
-
-#ifdef RTE_LIBRTE_THUNDERVNIC_PMD
-_(rte_nicvf_pmd_init)
-#endif
-#undef _
-
dm->vlib_main = vm;
dm->vnet_main = vnet_get_main();
+ dm->conf = &dpdk_config_main;
ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
if (ei == 0)
dm->ethernet_input_node_index = ei->index;
- dm->nchannels = 4;
- dm->num_mbufs = dm->num_mbufs ? dm->num_mbufs : NB_MBUF;
- vec_add1 (dm->eal_init_args, (u8 *) "vnet");
+ dm->conf->nchannels = 4;
+ dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
+ vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword));
dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword));
DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH;
/* vhost-user coalescence frames defaults */
- dm->vhost_coalesce_frames = 32;
- dm->vhost_coalesce_time = 1e-3;
+ dm->conf->vhost_coalesce_frames = 32;
+ dm->conf->vhost_coalesce_time = 1e-3;
/* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
dm->buffer_flags_template =
| IP_BUFFER_L4_CHECKSUM_COMPUTED
| IP_BUFFER_L4_CHECKSUM_CORRECT);
+ dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
+ dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
+
/* init CLI */
if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
return error;