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gerrit.nordix.org / fdio / vpp / 878c609889dcdc58538d40d8b3f662320f88573d / . / src / vnet / devices / dpdk / init.c
blob: 4c040d20af7f0e2a79ac3fdc7f78f17e6e80ba4d [file] [log] [blame]
/*
* Copyright (c) 2015 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vnet/vnet.h>
#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>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/mount.h>
#include <string.h>
#include <fcntl.h>
#include "dpdk_priv.h"
dpdk_main_t dpdk_main;
/* force linker to link functions used by vlib and declared weak */
void *vlib_weakly_linked_functions[] = {
&rte_pktmbuf_init,
&rte_pktmbuf_pool_init,
};
#define LINK_STATE_ELOGS 0
#define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
#define VPP_RUN_DIR "/run/vpp"
/* Port configuration, mildly modified Intel app values */
static struct rte_eth_conf port_conf_template = {
.rxmode = {
.split_hdr_size = 0,
.header_split = 0, /**< Header Split disabled */
.hw_ip_checksum = 0, /**< IP checksum offload disabled */
.hw_vlan_filter = 0, /**< VLAN filtering disabled */
.hw_strip_crc = 0, /**< CRC stripped by hardware */
},
.txmode = {
.mq_mode = ETH_MQ_TX_NONE,
},
};
clib_error_t *
dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd)
{
int rv;
int j;
ASSERT (os_get_cpu_number () == 0);
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0);
rte_eth_dev_stop (xd->device_index);
}
rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used,
xd->tx_q_used, &xd->port_conf);
if (rv < 0)
return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d",
xd->device_index, rv);
/* Set up one TX-queue per worker thread */
for (j = 0; j < xd->tx_q_used; j++)
{
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;
}
if (rv < 0)
return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d",
xd->device_index, rv);
for (j = 0; j < xd->rx_q_used; j++)
{
rv = rte_eth_rx_queue_setup (xd->device_index, j, xd->nb_rx_desc,
xd->cpu_socket, 0,
dm->
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,
dm->
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);
}
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
int rv;
rv = rte_eth_dev_start (xd->device_index);
if (rv < 0)
clib_warning ("rte_eth_dev_start %d returned %d",
xd->device_index, rv);
}
return 0;
}
static u32
dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
{
dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
u32 old = 0;
if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
{
old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
else
xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
rte_eth_promiscuous_enable (xd->device_index);
else
rte_eth_promiscuous_disable (xd->device_index);
}
}
else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
{
/*
* DAW-FIXME: The Cisco VIC firmware does not provide an api for a
* driver to dynamically change the mtu. If/when the
* VIC firmware gets fixed, then this should be removed.
*/
if (xd->pmd == VNET_DPDK_PMD_ENIC)
{
struct rte_eth_dev_info dev_info;
/*
* Restore mtu to what has been set by CIMC in the firmware cfg.
*/
rte_eth_dev_info_get (xd->device_index, &dev_info);
hi->max_packet_bytes = dev_info.max_rx_pktlen;
vlib_cli_output (vlib_get_main (),
"Cisco VIC mtu can only be changed "
"using CIMC then rebooting the server!");
}
else
{
int rv;
xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
rte_eth_dev_stop (xd->device_index);
rv = rte_eth_dev_configure
(xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
if (rv < 0)
vlib_cli_output (vlib_get_main (),
"rte_eth_dev_configure[%d]: err %d",
xd->device_index, rv);
rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
{
int rv = rte_eth_dev_start (xd->device_index);
if (rv < 0)
clib_warning ("rte_eth_dev_start %d returned %d",
xd->device_index, rv);
}
}
}
return old;
}
void
dpdk_device_lock_init (dpdk_device_t * xd)
{
int q;
vec_validate (xd->lockp, xd->tx_q_used - 1);
for (q = 0; q < xd->tx_q_used; q++)
{
xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
CLIB_CACHE_LINE_BYTES);
memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
}
}
void
dpdk_device_lock_free (dpdk_device_t * xd)
{
int q;
for (q = 0; q < vec_len (xd->lockp); q++)
clib_mem_free ((void *) xd->lockp[q]);
vec_free (xd->lockp);
xd->lockp = 0;
}
static clib_error_t *
dpdk_lib_init (dpdk_main_t * dm)
{
u32 nports;
u32 nb_desc = 0;
int i;
clib_error_t *error;
vlib_main_t *vm = vlib_get_main ();
vlib_thread_main_t *tm = vlib_get_thread_main ();
vnet_sw_interface_t *sw;
vnet_hw_interface_t *hi;
dpdk_device_t *xd;
vlib_pci_addr_t last_pci_addr;
u32 last_pci_addr_port = 0;
vlib_thread_registration_t *tr, *tr_hqos;
uword *p, *p_hqos;
u32 next_cpu = 0, next_hqos_cpu = 0;
u8 af_packet_port_id = 0;
last_pci_addr.as_u32 = ~0;
dm->input_cpu_first_index = 0;
dm->input_cpu_count = 1;
/* find out which cpus will be used for input */
p = hash_get_mem (tm->thread_registrations_by_name, "workers");
tr = p ? (vlib_thread_registration_t *) p[0] : 0;
if (tr && tr->count > 0)
{
dm->input_cpu_first_index = tr->first_index;
dm->input_cpu_count = tr->count;
}
vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
dm->hqos_cpu_first_index = 0;
dm->hqos_cpu_count = 0;
/* find out which cpus will be used for I/O TX */
p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
if (tr_hqos && tr_hqos->count > 0)
{
dm->hqos_cpu_first_index = tr_hqos->first_index;
dm->hqos_cpu_count = tr_hqos->count;
}
vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
vec_validate_aligned (dm->hqos_threads, tm->n_vlib_mains - 1,
CLIB_CACHE_LINE_BYTES);
nports = rte_eth_dev_count ();
if (nports < 1)
{
clib_warning ("DPDK drivers found no ports...");
}
if (CLIB_DEBUG > 0)
clib_warning ("DPDK drivers found %d ports...", nports);
/*
* All buffers are all allocated from the same rte_mempool.
* Thus they all have the same number of data bytes.
*/
dm->vlib_buffer_free_list_index =
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);
/* Handle interface naming for devices with multiple ports sharing same PCI ID */
if (dev_info.pci_dev)
{
struct rte_eth_dev_info di = { 0 };
rte_eth_dev_info_get (i + 1, &di);
if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
sizeof (struct rte_pci_addr)) == 0)
{
xd->interface_name_suffix = format (0, "0");
last_pci_addr.as_u32 = pci_addr.as_u32;
last_pci_addr_port = i;
}
else if (pci_addr.as_u32 == last_pci_addr.as_u32)
{
xd->interface_name_suffix =
format (0, "%u", i - last_pci_addr_port);
}
else
{
last_pci_addr.as_u32 = ~0;
}
}
else
last_pci_addr.as_u32 = ~0;
clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
sizeof (struct rte_eth_txconf));
if (dm->conf->no_multi_seg)
{
xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
port_conf_template.rxmode.jumbo_frame = 0;
}
else
{
xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
port_conf_template.rxmode.jumbo_frame = 1;
xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
}
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 (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 (devconf->num_rx_queues > 1 && dm->use_rss == 0)
{
dm->use_rss = 1;
}
if (devconf->num_rx_queues > 1
&& dev_info.max_rx_queues >= devconf->num_rx_queues)
{
xd->rx_q_used = devconf->num_rx_queues;
xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
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->flags |= DPDK_DEVICE_FLAG_PMD;
/* workaround for drivers not setting driver_name */
if ((!dev_info.driver_name) && (dev_info.pci_dev))
#if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
dev_info.driver_name = dev_info.pci_dev->driver->name;
#else
dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
#endif
ASSERT (dev_info.driver_name);
if (!xd->pmd)
{
#define _(s,f) else if (dev_info.driver_name && \
!strcmp(dev_info.driver_name, s)) \
xd->pmd = VNET_DPDK_PMD_##f;
if (0)
;
foreach_dpdk_pmd
#undef _
else
xd->pmd = VNET_DPDK_PMD_UNKNOWN;
xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
switch (xd->pmd)
{
/* 1G adapters */
case VNET_DPDK_PMD_E1000EM:
case VNET_DPDK_PMD_IGB:
case VNET_DPDK_PMD_IGBVF:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
break;
/* 10G adapters */
case VNET_DPDK_PMD_IXGBE:
case VNET_DPDK_PMD_IXGBEVF:
case VNET_DPDK_PMD_THUNDERX:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
case VNET_DPDK_PMD_DPAA2:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
/* Cisco VIC */
case VNET_DPDK_PMD_ENIC:
rte_eth_link_get_nowait (i, &l);
xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
if (l.link_speed == 40000)
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
else
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
/* Intel Fortville */
case VNET_DPDK_PMD_I40E:
case VNET_DPDK_PMD_I40EVF:
xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
switch (dev_info.pci_dev->id.device_id)
{
case I40E_DEV_ID_10G_BASE_T:
case I40E_DEV_ID_SFP_XL710:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
case I40E_DEV_ID_QSFP_A:
case I40E_DEV_ID_QSFP_B:
case I40E_DEV_ID_QSFP_C:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
break;
case I40E_DEV_ID_VF:
rte_eth_link_get_nowait (i, &l);
xd->port_type = l.link_speed == 10000 ?
VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G;
break;
default:
xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
}
break;
case VNET_DPDK_PMD_CXGBE:
switch (dev_info.pci_dev->id.device_id)
{
case 0x540d: /* T580-CR */
case 0x5410: /* T580-LP-cr */
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
break;
case 0x5403: /* T540-CR */
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
default:
xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
}
break;
case VNET_DPDK_PMD_MLX5:
{
char *pn_100g[] = { "MCX415A-CCAT", "MCX416A-CCAT", 0 };
char *pn_40g[] = { "MCX413A-BCAT", "MCX414A-BCAT",
"MCX415A-BCAT", "MCX416A-BCAT", "MCX4131A-BCAT", 0
};
char *pn_10g[] = { "MCX4111A-XCAT", "MCX4121A-XCAT", 0 };
vlib_pci_device_t *pd = vlib_get_pci_device (&pci_addr);
u8 *pn = 0;
char **c;
int found = 0;
pn = format (0, "%U%c",
format_vlib_pci_vpd, pd->vpd_r, "PN", 0);
if (!pn)
break;
c = pn_100g;
while (!found && c[0])
{
if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
{
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_100G;
break;
}
c++;
}
c = pn_40g;
while (!found && c[0])
{
if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
{
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
break;
}
c++;
}
c = pn_10g;
while (!found && c[0])
{
if (strncmp ((char *) pn, c[0], strlen (c[0])) == 0)
{
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
break;
}
c++;
}
vec_free (pn);
}
break;
/* Intel Red Rock Canyon */
case VNET_DPDK_PMD_FM10K:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
break;
/* virtio */
case VNET_DPDK_PMD_VIRTIO:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
break;
/* vmxnet3 */
case VNET_DPDK_PMD_VMXNET3:
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
break;
case VNET_DPDK_PMD_AF_PACKET:
xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
xd->af_packet_port_id = af_packet_port_id++;
break;
case VNET_DPDK_PMD_BOND:
xd->flags |= DPDK_DEVICE_FLAG_PMD_SUPPORTS_PTYPE;
xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
break;
default:
xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
}
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;
}
/*
* Ensure default mtu is not > the mtu read from the hardware.
* Otherwise rte_eth_dev_configure() will fail and the port will
* not be available.
*/
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 (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
{
f64 now = vlib_time_now (vm);
u32 rnd;
rnd = (u32) (now * 1e6);
rnd = random_u32 (&rnd);
clib_memcpy (addr + 2, &rnd, sizeof (rnd));
addr[0] = 2;
addr[1] = 0xfe;
}
else
rte_eth_macaddr_get (i, (struct ether_addr *) addr);
if (xd->tx_q_used < tm->n_vlib_mains)
dpdk_device_lock_init (xd);
xd->device_index = xd - dm->devices;
ASSERT (i == xd->device_index);
xd->per_interface_next_index = ~0;
/* assign interface to input thread */
dpdk_device_and_queue_t *dq;
int q;
if (devconf->workers)
{
int i;
q = 0;
/* *INDENT-OFF* */
clib_bitmap_foreach (i, devconf->workers, ({
int cpu = dm->input_cpu_first_index + i;
unsigned lcore = vlib_worker_threads[cpu].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++;
}));
/* *INDENT-ON* */
}
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].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->hqos_enabled)
{
xd->flags |= DPDK_DEVICE_FLAG_HQOS;
if (devconf->hqos.hqos_thread_valid)
{
int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
return clib_error_return (0, "invalid HQoS thread index");
vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
dq->device = xd->device_index;
dq->queue_id = 0;
}
else
{
int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
if (dm->hqos_cpu_count == 0)
return clib_error_return (0, "no HQoS threads available");
vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
dq->device = xd->device_index;
dq->queue_id = 0;
next_hqos_cpu++;
if (next_hqos_cpu == dm->hqos_cpu_count)
next_hqos_cpu = 0;
devconf->hqos.hqos_thread_valid = 1;
devconf->hqos.hqos_thread = cpu;
}
}
vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
CLIB_CACHE_LINE_BYTES);
for (j = 0; j < tm->n_vlib_mains; j++)
{
vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
vec_reset_length (xd->tx_vectors[j]);
}
vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
CLIB_CACHE_LINE_BYTES);
for (j = 0; j < xd->rx_q_used; j++)
{
vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
CLIB_CACHE_LINE_BYTES);
vec_reset_length (xd->rx_vectors[j]);
}
vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
CLIB_CACHE_LINE_BYTES);
rv = dpdk_port_setup (dm, xd);
if (rv)
return rv;
if (devconf->hqos_enabled)
{
rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
if (rv)
return rv;
}
/* count the number of descriptors used for this device */
nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
error = ethernet_register_interface
(dm->vnet_main, dpdk_device_class.index, xd->device_index,
/* ethernet address */ addr,
&xd->vlib_hw_if_index, dpdk_flag_change);
if (error)
return error;
sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index);
xd->vlib_sw_if_index = sw->sw_if_index;
hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index);
/*
* DAW-FIXME: The Cisco VIC firmware does not provide an api for a
* driver to dynamically change the mtu. If/when the
* VIC firmware gets fixed, then this should be removed.
*/
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;
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;
xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
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");
}
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);
rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
}
if (nb_desc > dm->conf->num_mbufs)
clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
dm->conf->num_mbufs, nb_desc);
return 0;
}
static void
dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
{
vlib_pci_main_t *pm = &pci_main;
clib_error_t *error;
vlib_pci_device_t *d;
u8 *pci_addr = 0;
int num_whitelisted = vec_len (conf->dev_confs);
/* *INDENT-OFF* */
pool_foreach (d, pm->pci_devs, ({
dpdk_device_config_t * devconf = 0;
vec_reset_length (pci_addr);
pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
if (d->device_class != PCI_CLASS_NETWORK_ETHERNET)
continue;
if (num_whitelisted)
{
uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
if (!p)
continue;
devconf = pool_elt_at_index (conf->dev_confs, p[0]);
}
/* virtio */
if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
;
/* vmxnet3 */
else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
;
/* all Intel devices */
else if (d->vendor_id == 0x8086)
;
/* Cisco VIC */
else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
;
/* Chelsio T4/T5 */
else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
;
else
{
clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found "
"at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
pci_addr);
continue;
}
error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
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);
}
}));
/* *INDENT-ON* */
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)
{
clib_error_t *error = 0;
uword *p;
dpdk_device_config_t *devconf;
unformat_input_t sub_input;
if (is_default)
{
devconf = &conf->default_devconf;
}
else
{
p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
if (!p)
{
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);
}
devconf->pci_addr.as_u32 = pci_addr.as_u32;
devconf->hqos_enabled = 0;
dpdk_device_config_hqos_default (&devconf->hqos);
if (!input)
return 0;
unformat_skip_white_space (input);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
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))
{
error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
if (error)
break;
}
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
if (unformat
(input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
{
devconf->hqos_enabled = 1;
error = unformat_hqos (&sub_input, &devconf->hqos);
if (error)
break;
}
else if (unformat (input, "hqos"))
{
devconf->hqos_enabled = 1;
}
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
break;
}
}
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 *
dpdk_config (vlib_main_t * vm, unformat_input_t * input)
{
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 *rte_cmd = 0, *ethname = 0;
u32 log_level;
int ret, i;
int num_whitelisted = 0;
u8 no_pci = 0;
u8 no_huge = 0;
u8 huge_dir = 0;
u8 file_prefix = 0;
u8 *socket_mem = 0;
conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
/* Prime the pump */
if (unformat (input, "no-hugetlb"))
{
vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
no_huge = 1;
}
else if (unformat (input, "enable-tcp-udp-checksum"))
conf->enable_tcp_udp_checksum = 1;
else if (unformat (input, "decimal-interface-names"))
conf->interface_name_format_decimal = 1;
else if (unformat (input, "no-multi-seg"))
conf->no_multi_seg = 1;
else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
&sub_input))
{
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);
if (error)
return error;
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", &conf->num_kni))
;
else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
;
else if (unformat (input, "socket-mem %s", &socket_mem))
;
else if (unformat (input, "no-pci"))
{
no_pci = 1;
tmp = format (0, "--no-pci%c", 0);
vec_add1 (conf->eal_init_args, tmp);
}
else if (unformat (input, "poll-sleep %d", &dm->poll_sleep))
;
#define _(a) \
else if (unformat(input, #a)) \
{ \
tmp = format (0, "--%s%c", #a, 0); \
vec_add1 (conf->eal_init_args, tmp); \
}
foreach_eal_double_hyphen_predicate_arg
#undef _
#define _(a) \
else if (unformat(input, #a " %s", &s)) \
{ \
if (!strncmp(#a, "huge-dir", 8)) \
huge_dir = 1; \
else if (!strncmp(#a, "file-prefix", 11)) \
file_prefix = 1; \
tmp = format (0, "--%s%c", #a, 0); \
vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
if (!strncmp(#a, "vdev", 4)) \
if (strstr((char*)s, "af_packet")) \
clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
vec_add1 (conf->eal_init_args, s); \
}
foreach_eal_double_hyphen_arg
#undef _
#define _(a,b) \
else if (unformat(input, #a " %s", &s)) \
{ \
tmp = format (0, "-%s%c", #b, 0); \
vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
vec_add1 (conf->eal_init_args, s); \
}
foreach_eal_single_hyphen_arg
#undef _
#define _(a,b) \
else if (unformat(input, #a " %s", &s)) \
{ \
tmp = format (0, "-%s%c", #b, 0); \
vec_add1 (conf->eal_init_args, tmp); \
vec_add1 (s, 0); \
vec_add1 (conf->eal_init_args, s); \
conf->a##_set_manually = 1; \
}
foreach_eal_single_hyphen_mandatory_arg
#undef _
else if (unformat (input, "default"))
;
else if (unformat_skip_white_space (input))
;
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
}
}
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)
{
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);
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
{
/* *INDENT-OFF* */
clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
{
vec_validate(mem_by_socket, c);
mem_by_socket[c] = 256; /* default per-socket mem */
}
));
/* *INDENT-ON* */
}
/* check if available enough 1GB pages for each socket */
/* *INDENT-OFF* */
clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
{
int pages_avail, page_size, mem;
vec_validate(mem_by_socket, c);
mem = mem_by_socket[c];
page_size = 1024;
pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
if (pages_avail < 0 || page_size * pages_avail < mem)
use_1g = 0;
page_size = 2;
pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
if (pages_avail < 0 || page_size * pages_avail < mem)
use_2m = 0;
}));
/* *INDENT-ON* */
if (mem_by_socket == 0)
{
error = clib_error_return (0, "mem_by_socket NULL");
goto done;
}
_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);
vec_free (mem_by_socket);
rv = mkdir (VPP_RUN_DIR, 0755);
if (rv && errno != EEXIST)
{
error = clib_error_return (0, "mkdir '%s' failed errno %d",
VPP_RUN_DIR, errno);
goto done;
}
rv = mkdir (DEFAULT_HUGE_DIR, 0755);
if (rv && errno != EEXIST)
{
error = clib_error_return (0, "mkdir '%s' failed errno %d",
DEFAULT_HUGE_DIR, errno);
goto done;
}
if (use_1g && !(less_than_1g && use_2m))
{
rv =
mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
}
else if (use_2m)
{
rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
}
else
{
return clib_error_return (0, "not enough free huge pages");
}
if (rv)
{
error = clib_error_return (0, "mount failed %d", errno);
goto done;
}
tmp = format (0, "--huge-dir%c", 0);
vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
vec_add1 (conf->eal_init_args, tmp);
if (!file_prefix)
{
tmp = format (0, "--file-prefix%c", 0);
vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "vpp%c", 0);
vec_add1 (conf->eal_init_args, tmp);
}
}
vec_free (rte_cmd);
vec_free (ethname);
if (error)
return error;
/* I'll bet that -c and -n must be the first and second args... */
if (!conf->coremask_set_manually)
{
vlib_thread_registration_t *tr;
uword *coremask = 0;
int i;
/* main thread core */
coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
for (i = 0; i < vec_len (tm->registrations); i++)
{
tr = tm->registrations[i];
coremask = clib_bitmap_or (coremask, tr->coremask);
}
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);
conf->eal_init_args[2] = tmp;
clib_bitmap_free (coremask);
}
if (!conf->nchannels_set_manually)
{
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 (no_pci == 0 && geteuid () == 0)
dpdk_bind_devices_to_uio (conf);
#define _(x) \
if (devconf->x == 0 && conf->default_devconf.x > 0) \
devconf->x = conf->default_devconf.x ;
/* *INDENT-OFF* */
pool_foreach (devconf, conf->dev_confs, ({
/* default per-device config items */
foreach_dpdk_device_config_item
/* 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);
}
}));
/* *INDENT-ON* */
#undef _
/* set master-lcore */
tmp = format (0, "--master-lcore%c", 0);
vec_add1 (conf->eal_init_args, tmp);
tmp = format (0, "%u%c", tm->main_lcore, 0);
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 (conf->eal_init_args, 0);
_vec_len (conf->eal_init_args) -= 1;
/* Set up DPDK eal and packet mbuf pool early. */
log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
rte_set_log_level (log_level);
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 (conf->eal_init_args); i++)
conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
conf->eal_init_args[i]);
ret =
rte_eal_init (vec_len (conf->eal_init_args),
(char **) conf->eal_init_args);
/* lazy umount hugepages */
umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
if (ret < 0)
return clib_error_return (0, "rte_eal_init returned %d", ret);
/* Dump the physical memory layout prior to creating the mbuf_pool */
fprintf (stdout, "DPDK physical memory layout:\n");
rte_dump_physmem_layout (stdout);
/* main thread 1st */
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, conf->num_mbufs,
rte_lcore_to_socket_id (i));
if (error)
return error;
}
done:
return error;
}
VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
void
dpdk_update_link_state (dpdk_device_t * xd, f64 now)
{
vnet_main_t *vnm = vnet_get_main ();
struct rte_eth_link prev_link = xd->link;
u32 hw_flags = 0;
u8 hw_flags_chg = 0;
/* only update link state for PMD interfaces */
if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
return;
xd->time_last_link_update = now ? now : xd->time_last_link_update;
memset (&xd->link, 0, sizeof (xd->link));
rte_eth_link_get_nowait (xd->device_index, &xd->link);
if (LINK_STATE_ELOGS)
{
vlib_main_t *vm = vlib_get_main ();
ELOG_TYPE_DECLARE (e) =
{
.format =
"update-link-state: sw_if_index %d, admin_up %d,"
"old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
struct
{
u32 sw_if_index;
u8 admin_up;
u8 old_link_state;
u8 new_link_state;
} *ed;
ed = ELOG_DATA (&vm->elog_main, e);
ed->sw_if_index = xd->vlib_sw_if_index;
ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
ed->old_link_state = (u8)
vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index);
ed->new_link_state = (u8) xd->link.link_status;
}
if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
((xd->link.link_status != 0) ^
vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index)))
{
hw_flags_chg = 1;
hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
}
if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
{
hw_flags_chg = 1;
switch (xd->link.link_duplex)
{
case ETH_LINK_HALF_DUPLEX:
hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
break;
case ETH_LINK_FULL_DUPLEX:
hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
break;
default:
break;
}
}
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;
}
}
if (hw_flags_chg)
{
if (LINK_STATE_ELOGS)
{
vlib_main_t *vm = vlib_get_main ();
ELOG_TYPE_DECLARE (e) =
{
.format =
"update-link-state: sw_if_index %d, new flags %d",.format_args
= "i4i4",};
struct
{
u32 sw_if_index;
u32 flags;
} *ed;
ed = ELOG_DATA (&vm->elog_main, e);
ed->sw_if_index = xd->vlib_sw_if_index;
ed->flags = hw_flags;
}
vnet_hw_interface_set_flags (vnm, xd->vlib_hw_if_index, hw_flags);
}
}
static uword
dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
{
clib_error_t *error;
vnet_main_t *vnm = vnet_get_main ();
dpdk_main_t *dm = &dpdk_main;
ethernet_main_t *em = &ethernet_main;
dpdk_device_t *xd;
vlib_thread_main_t *tm = vlib_get_thread_main ();
int i;
error = dpdk_lib_init (dm);
/*
* Turn on the input node if we found some devices to drive
* and we're not running worker threads or i/o threads
*/
if (error == 0 && vec_len (dm->devices) > 0)
{
if (tm->n_vlib_mains == 1)
vlib_node_set_state (vm, dpdk_input_node.index,
VLIB_NODE_STATE_POLLING);
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,
VLIB_NODE_STATE_POLLING);
}
if (error)
clib_error_report (error);
tm->worker_thread_release = 1;
f64 now = vlib_time_now (vm);
vec_foreach (xd, dm->devices)
{
dpdk_update_link_state (xd, now);
}
{
/*
* 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 up info for bond interface related CLI support.
*/
int nports = rte_eth_dev_count ();
if (nports > 0)
{
for (i = 0; i < nports; i++)
{
struct rte_eth_dev_info dev_info;
rte_eth_dev_info_get (i, &dev_info);
if (!dev_info.driver_name)
#if RTE_VERSION < RTE_VERSION_NUM(16, 11, 0, 0)
dev_info.driver_name = dev_info.pci_dev->driver->name;
#else
dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
#endif
ASSERT (dev_info.driver_name);
if (strncmp (dev_info.driver_name, "rte_bond_pmd", 12) == 0)
{
u8 addr[6];
u8 slink[16];
int nlink = rte_eth_bond_slaves_get (i, slink, 16);
if (nlink > 0)
{
vnet_hw_interface_t *bhi;
ethernet_interface_t *bei;
int rv;
/* 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 */
rv =
rte_eth_bond_mac_address_set (i,
(struct ether_addr *)
addr);
if (rv < 0)
clib_warning ("Failed to set MAC address");
/* Populate MAC of bonded interface in VPP hw tables */
bhi =
vnet_get_hw_interface (vnm,
dm->devices[i].vlib_hw_if_index);
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_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
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];
/* Set max packet size allowed as the lowest of slave */
if (bhi->max_packet_bytes > shi->max_packet_bytes)
bhi->max_packet_bytes = shi->max_packet_bytes;
}
}
}
}
}
}
while (1)
{
/*
* 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 (dm->admin_up_down_in_progress)
/* skip the poll if an admin up down is in progress (on any interface) */
continue;
vec_foreach (xd, dm->devices)
{
f64 now = vlib_time_now (vm);
if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
dpdk_update_counters (xd, now);
if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
dpdk_update_link_state (xd, now);
}
}
return 0;
}
/* *INDENT-OFF* */
VLIB_REGISTER_NODE (dpdk_process_node,static) = {
.function = dpdk_process,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "dpdk-process",
.process_log2_n_stack_bytes = 17,
};
/* *INDENT-ON* */
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)
{
dpdk_main_t *dm = &dpdk_main;
vlib_node_t *ei;
clib_error_t *error = 0;
vlib_thread_main_t *tm = vlib_get_thread_main ();
/* verify that structs are cacheline aligned */
STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
"Cache line marker must be 1st element in dpdk_device_t");
STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
CLIB_CACHE_LINE_BYTES,
"Data in cache line 0 is bigger than cache line size");
STATIC_ASSERT (offsetof (dpdk_worker_t, cacheline0) == 0,
"Cache line marker must be 1st element in dpdk_worker_t");
STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
"Cache line marker must be 1st element in frame_queue_trace_t");
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)
return clib_error_return (0, "ethernet-input node AWOL");
dm->ethernet_input_node_index = ei->index;
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));
dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword));
/* $$$ use n_thread_stacks since it's known-good at this point */
vec_validate (dm->recycle, tm->n_thread_stacks - 1);
/* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
dm->buffer_flags_template =
(VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_RTE_MBUF_VALID
| 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;
return error;
}
VLIB_INIT_FUNCTION (dpdk_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/