dpdk: code preparation for bumping to DPDK 22.11
This patch prepares code for bumping DPDK version to 22.11, but the DPDK version of this patch keeps at 22.07 for compatibility.
the "no-dsa" parameter in DPDK configuration is removed, the "blacklist" parameter can be used to block the related DSA devices.
Type: feature
Signed-off-by: Xinyao Cai <xinyao.cai@intel.com>
Change-Id: I08787c6584bba66383fc0a784963f33171196910
diff --git a/build/external/patches/dpdk_22.11.1/0001-allow-the-use-of-ab-flag-the-same-time-in-EAL.patch b/build/external/patches/dpdk_22.11.1/0001-allow-the-use-of-ab-flag-the-same-time-in-EAL.patch
new file mode 100644
index 0000000..d013b6a
--- /dev/null
+++ b/build/external/patches/dpdk_22.11.1/0001-allow-the-use-of-ab-flag-the-same-time-in-EAL.patch
@@ -0,0 +1,54 @@
+From baa172f1a9e370a0549a31840c3cd148046d1d84 Mon Sep 17 00:00:00 2001
+From: Xinyao Cai <xinyao.cai@intel.com>
+Date: Tue, 18 Apr 2023 16:37:17 +0800
+Subject: [PATCH] allow the use of -a and -b flag the same time in EAL
+ parameters.
+
+---
+ lib/eal/common/eal_common_options.c | 14 --------------
+ 1 file changed, 14 deletions(-)
+
+diff --git a/lib/eal/common/eal_common_options.c b/lib/eal/common/eal_common_options.c
+index 0305933698..0d8f9c5a38 100644
+--- a/lib/eal/common/eal_common_options.c
++++ b/lib/eal/common/eal_common_options.c
+@@ -1623,24 +1623,15 @@ int
+ eal_parse_common_option(int opt, const char *optarg,
+ struct internal_config *conf)
+ {
+- static int b_used;
+- static int a_used;
+-
+ switch (opt) {
+ case 'b':
+- if (a_used)
+- goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_BLOCKED, optarg) < 0)
+ return -1;
+- b_used = 1;
+ break;
+
+ case 'a':
+- if (b_used)
+- goto ba_conflict;
+ if (eal_option_device_add(RTE_DEVTYPE_ALLOWED, optarg) < 0)
+ return -1;
+- a_used = 1;
+ break;
+ /* coremask */
+ case 'c': {
+@@ -1929,11 +1920,6 @@ eal_parse_common_option(int opt, const char *optarg,
+ }
+
+ return 0;
+-
+-ba_conflict:
+- RTE_LOG(ERR, EAL,
+- "Options allow (-a) and block (-b) can't be used at the same time\n");
+- return -1;
+ }
+
+ static void
+--
+2.34.1
+
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.c b/src/plugins/dpdk/cryptodev/cryptodev.c
index adb437e..84a307d 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev.c
@@ -141,7 +141,7 @@
}
static_always_inline void
-cryptodev_session_del (struct rte_cryptodev_sym_session *sess)
+cryptodev_session_del (cryptodev_session_t *sess)
{
u32 n_devs, i;
@@ -151,9 +151,14 @@
n_devs = rte_cryptodev_count ();
for (i = 0; i < n_devs; i++)
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (rte_cryptodev_sym_session_free (i, sess) == 0)
+ break;
+#else
rte_cryptodev_sym_session_clear (i, sess);
rte_cryptodev_sym_session_free (sess);
+#endif
}
static int
@@ -337,8 +342,13 @@
clib_error_t *error = NULL;
name = format (0, "vcrypto_sess_pool_%u_%04x%c", numa_node, len, 0);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ sess_pools_elt->sess_pool = rte_cryptodev_sym_session_pool_create (
+ (char *) name, CRYPTODEV_NB_SESSION, cmt->sess_sz, 0, 0, numa_node);
+#else
sess_pools_elt->sess_pool = rte_cryptodev_sym_session_pool_create (
(char *) name, CRYPTODEV_NB_SESSION, 0, 0, 0, numa_node);
+#endif
if (!sess_pools_elt->sess_pool)
{
@@ -347,6 +357,7 @@
}
vec_free (name);
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
name = format (0, "crypto_sess_pool_%u_%04x%c", numa_node, len, 0);
sess_pools_elt->sess_priv_pool = rte_mempool_create (
(char *) name, CRYPTODEV_NB_SESSION * (cmt->drivers_cnt), cmt->sess_sz, 0,
@@ -358,6 +369,7 @@
goto clear_mempools;
}
vec_free (name);
+#endif
clear_mempools:
if (error)
@@ -365,8 +377,10 @@
vec_free (name);
if (sess_pools_elt->sess_pool)
rte_mempool_free (sess_pools_elt->sess_pool);
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
if (sess_pools_elt->sess_priv_pool)
rte_mempool_free (sess_pools_elt->sess_priv_pool);
+#endif
return error;
}
return 0;
@@ -380,13 +394,16 @@
cryptodev_numa_data_t *numa_data;
cryptodev_inst_t *dev_inst;
vnet_crypto_key_t *key = vnet_crypto_get_key (idx);
- struct rte_mempool *sess_pool, *sess_priv_pool;
+ struct rte_mempool *sess_pool;
cryptodev_session_pool_t *sess_pools_elt;
cryptodev_key_t *ckey = vec_elt_at_index (cmt->keys, idx);
struct rte_crypto_sym_xform xforms_enc[2] = { { 0 } };
struct rte_crypto_sym_xform xforms_dec[2] = { { 0 } };
- struct rte_cryptodev_sym_session *sessions[CRYPTODEV_N_OP_TYPES] = { 0 };
+ cryptodev_session_t *sessions[CRYPTODEV_N_OP_TYPES] = { 0 };
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
+ struct rte_mempool *sess_priv_pool;
struct rte_cryptodev_info dev_info;
+#endif
u32 numa_node = vm->numa_node;
clib_error_t *error;
int ret = 0;
@@ -427,6 +444,7 @@
}
sess_pool = sess_pools_elt->sess_pool;
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
sess_priv_pool = sess_pools_elt->sess_priv_pool;
sessions[CRYPTODEV_OP_TYPE_ENCRYPT] =
@@ -434,6 +452,7 @@
sessions[CRYPTODEV_OP_TYPE_DECRYPT] =
rte_cryptodev_sym_session_create (sess_pool);
+#endif
if (key->type == VNET_CRYPTO_KEY_TYPE_LINK)
ret = prepare_linked_xform (xforms_enc, CRYPTODEV_OP_TYPE_ENCRYPT, key);
@@ -451,6 +470,25 @@
else
prepare_aead_xform (xforms_dec, CRYPTODEV_OP_TYPE_DECRYPT, key, aad_len);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ dev_inst = vec_elt_at_index (cmt->cryptodev_inst, 0);
+ u32 dev_id = dev_inst->dev_id;
+ sessions[CRYPTODEV_OP_TYPE_ENCRYPT] =
+ rte_cryptodev_sym_session_create (dev_id, xforms_enc, sess_pool);
+ sessions[CRYPTODEV_OP_TYPE_DECRYPT] =
+ rte_cryptodev_sym_session_create (dev_id, xforms_dec, sess_pool);
+ if (!sessions[CRYPTODEV_OP_TYPE_ENCRYPT] ||
+ !sessions[CRYPTODEV_OP_TYPE_DECRYPT])
+ {
+ ret = -1;
+ goto clear_key;
+ }
+
+ rte_cryptodev_sym_session_opaque_data_set (
+ sessions[CRYPTODEV_OP_TYPE_ENCRYPT], aad_len);
+ rte_cryptodev_sym_session_opaque_data_set (
+ sessions[CRYPTODEV_OP_TYPE_DECRYPT], aad_len);
+#else
vec_foreach (dev_inst, cmt->cryptodev_inst)
{
u32 dev_id = dev_inst->dev_id;
@@ -475,6 +513,7 @@
sessions[CRYPTODEV_OP_TYPE_ENCRYPT]->opaque_data = aad_len;
sessions[CRYPTODEV_OP_TYPE_DECRYPT]->opaque_data = aad_len;
+#endif
CLIB_MEMORY_STORE_BARRIER ();
ckey->keys[numa_node][CRYPTODEV_OP_TYPE_ENCRYPT] =
@@ -724,6 +763,15 @@
rte_cryptodev_info_get (cryptodev_id, &info);
+ /* Starting from DPDK 22.11, VPP does not allow heterogeneous crypto devices
+ anymore. Only devices that have the same driver type as the first
+ initialized device can be initialized.
+ */
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (cmt->drivers_cnt == 1 && cmt->driver_id != info.driver_id)
+ return -1;
+#endif
+
if (!(info.feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO))
return -1;
@@ -737,7 +785,9 @@
struct rte_cryptodev_qp_conf qp_cfg;
qp_cfg.mp_session = 0;
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
qp_cfg.mp_session_private = 0;
+#endif
qp_cfg.nb_descriptors = CRYPTODEV_NB_CRYPTO_OPS;
ret = rte_cryptodev_queue_pair_setup (cryptodev_id, i, &qp_cfg,
@@ -756,16 +806,30 @@
/* start the device */
rte_cryptodev_start (cryptodev_id);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (cmt->drivers_cnt == 0)
+ {
+ cmt->drivers_cnt = 1;
+ cmt->driver_id = info.driver_id;
+ cmt->sess_sz = rte_cryptodev_sym_get_private_session_size (cryptodev_id);
+ }
+#endif
+
for (i = 0; i < info.max_nb_queue_pairs; i++)
{
cryptodev_inst_t *cdev_inst;
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ const char *dev_name = rte_dev_name (info.device);
+#else
+ const char *dev_name = info.device->name;
+#endif
vec_add2(cmt->cryptodev_inst, cdev_inst, 1);
- cdev_inst->desc = vec_new (char, strlen (info.device->name) + 10);
+ cdev_inst->desc = vec_new (char, strlen (dev_name) + 10);
cdev_inst->dev_id = cryptodev_id;
cdev_inst->q_id = i;
- snprintf (cdev_inst->desc, strlen (info.device->name) + 9,
- "%s_q%u", info.device->name, i);
+ snprintf (cdev_inst->desc, strlen (dev_name) + 9, "%s_q%u",
+ info.device->name, i);
}
return 0;
@@ -1097,6 +1161,7 @@
return 0;
}
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
static void
is_drv_unique (u32 driver_id, u32 **unique_drivers)
{
@@ -1115,6 +1180,7 @@
if (!found)
vec_add1 (*unique_drivers, driver_id);
}
+#endif
clib_error_t *
dpdk_cryptodev_init (vlib_main_t * vm)
@@ -1123,15 +1189,12 @@
vlib_thread_main_t *tm = vlib_get_thread_main ();
cryptodev_engine_thread_t *cet;
cryptodev_numa_data_t *numa_data;
- cryptodev_inst_t *dev_inst;
- struct rte_cryptodev_info dev_info;
u32 node;
u8 nodes = 0;
u32 skip_master = vlib_num_workers () > 0;
u32 n_workers = tm->n_vlib_mains - skip_master;
u32 eidx;
u32 i;
- u32 *unique_drivers = 0;
clib_error_t *error;
cmt->iova_mode = rte_eal_iova_mode ();
@@ -1152,6 +1215,10 @@
if (cryptodev_probe (vm, n_workers) < 0)
return 0;
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
+ struct rte_cryptodev_info dev_info;
+ cryptodev_inst_t *dev_inst;
+ u32 *unique_drivers = 0;
vec_foreach (dev_inst, cmt->cryptodev_inst)
{
u32 dev_id = dev_inst->dev_id;
@@ -1166,6 +1233,7 @@
cmt->drivers_cnt = vec_len (unique_drivers);
vec_free (unique_drivers);
+#endif
clib_bitmap_vec_validate (cmt->active_cdev_inst_mask, tm->n_vlib_mains);
clib_spinlock_init (&cmt->tlock);
diff --git a/src/plugins/dpdk/cryptodev/cryptodev.h b/src/plugins/dpdk/cryptodev/cryptodev.h
index 53a0462..cf68e1d 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev.h
+++ b/src/plugins/dpdk/cryptodev/cryptodev.h
@@ -81,10 +81,16 @@
CRYPTODEV_N_OP_TYPES,
} cryptodev_op_type_t;
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+typedef void cryptodev_session_t;
+#else
+typedef struct rte_cryptodev_sym_session cryptodev_session_t;
+#endif
+
/* Cryptodev session data, one data per direction per numa */
typedef struct
{
- struct rte_cryptodev_sym_session ***keys;
+ cryptodev_session_t ***keys;
} cryptodev_key_t;
/* Replicate DPDK rte_cryptodev_sym_capability structure with key size ranges
@@ -125,7 +131,9 @@
typedef struct
{
struct rte_mempool *sess_pool;
+#if RTE_VERSION < RTE_VERSION_NUM(22, 11, 0, 0)
struct rte_mempool *sess_priv_pool;
+#endif
} cryptodev_session_pool_t;
typedef struct
@@ -163,7 +171,7 @@
u16 aad_index;
u8 *aad_buf;
u64 aad_phy_addr;
- struct rte_cryptodev_sym_session *reset_sess;
+ cryptodev_session_t *reset_sess;
};
};
u16 cryptodev_id;
@@ -184,6 +192,9 @@
u32 sess_sz;
u32 drivers_cnt;
u8 is_raw_api;
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ u8 driver_id;
+#endif
} cryptodev_main_t;
extern cryptodev_main_t cryptodev_main;
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
index 55be79c..66c0c16 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev_op_data_path.c
@@ -127,7 +127,7 @@
clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
vnet_crypto_async_frame_elt_t *fe;
- struct rte_cryptodev_sym_session *sess = 0;
+ cryptodev_session_t *sess = 0;
cryptodev_op_t **cop;
u32 *bi;
u32 n_enqueue, n_elts;
@@ -246,7 +246,7 @@
clib_pmalloc_main_t *pm = vm->physmem_main.pmalloc_main;
cryptodev_engine_thread_t *cet = cmt->per_thread_data + vm->thread_index;
vnet_crypto_async_frame_elt_t *fe;
- struct rte_cryptodev_sym_session *sess = 0;
+ cryptodev_session_t *sess = 0;
cryptodev_op_t **cop;
u32 *bi;
u32 n_enqueue = 0, n_elts;
@@ -306,8 +306,13 @@
}
}
else if (PREDICT_FALSE (
- key->keys[vm->numa_node][op_type]->opaque_data !=
- aad_len))
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ rte_cryptodev_sym_session_opaque_data_get (
+ key->keys[vm->numa_node][op_type]) != (u64) aad_len
+#else
+ key->keys[vm->numa_node][op_type]->opaque_data != aad_len
+#endif
+ ))
{
cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
fe->key_index, aad_len);
diff --git a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
index c096e34..a8265b8 100644
--- a/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
+++ b/src/plugins/dpdk/cryptodev/cryptodev_raw_data_path.c
@@ -292,8 +292,13 @@
}
if (PREDICT_FALSE (
- (u8) key->keys[vm->numa_node][op_type]->opaque_data !=
- aad_len))
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ rte_cryptodev_sym_session_opaque_data_get (
+ key->keys[vm->numa_node][op_type]) != (u64) aad_len
+#else
+ (u8) key->keys[vm->numa_node][op_type]->opaque_data != aad_len
+#endif
+ ))
{
cryptodev_sess_handler (vm, VNET_CRYPTO_KEY_OP_DEL,
fe->key_index, aad_len);
diff --git a/src/plugins/dpdk/device/common.c b/src/plugins/dpdk/device/common.c
index b8c6edd..e4a79e8 100644
--- a/src/plugins/dpdk/device/common.c
+++ b/src/plugins/dpdk/device/common.c
@@ -134,11 +134,6 @@
dpdk_log_debug ("[%u] Configured TX offloads: %U", xd->port_id,
format_dpdk_tx_offload_caps, txo);
- /* Enable flow director when flows exist */
- if (xd->supported_flow_actions &&
- (xd->flags & DPDK_DEVICE_FLAG_RX_FLOW_OFFLOAD) != 0)
- conf.fdir_conf.mode = RTE_FDIR_MODE_PERFECT;
-
/* finalize configuration */
conf.rxmode.offloads = rxo;
conf.txmode.offloads = txo;
@@ -487,7 +482,11 @@
const struct rte_bus *bus;
bus = rte_bus_find_by_device (info->device);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (bus && !strcmp (rte_bus_name (bus), "pci"))
+#else
if (bus && !strcmp (bus->name, "pci"))
+#endif
return RTE_DEV_TO_PCI (info->device);
else
return NULL;
@@ -500,7 +499,11 @@
const struct rte_bus *bus;
bus = rte_bus_find_by_device (info->device);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (bus && !strcmp (rte_bus_name (bus), "vmbus"))
+#else
if (bus && !strcmp (bus->name, "vmbus"))
+#endif
return container_of (info->device, struct rte_vmbus_device, device);
else
return NULL;
diff --git a/src/plugins/dpdk/device/dpdk.h b/src/plugins/dpdk/device/dpdk.h
index 7238ecf..3f02f20 100644
--- a/src/plugins/dpdk/device/dpdk.h
+++ b/src/plugins/dpdk/device/dpdk.h
@@ -28,6 +28,15 @@
#include <rte_ethdev.h>
#include <rte_version.h>
#include <rte_net.h>
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+#include <rte_bus.h>
+#include <rte_pci.h>
+#include <ctype.h>
+
+#include <bus_driver.h>
+#include <bus_pci_driver.h>
+#include <bus_vmbus_driver.h>
+#endif
#include <vnet/devices/devices.h>
diff --git a/src/plugins/dpdk/device/dpdk_priv.h b/src/plugins/dpdk/device/dpdk_priv.h
index 013ab41..d1a44fd 100644
--- a/src/plugins/dpdk/device/dpdk_priv.h
+++ b/src/plugins/dpdk/device/dpdk_priv.h
@@ -36,6 +36,7 @@
_(file-prefix) \
_(vdev) \
_(log-level) \
+_(block) \
_(iova-mode) \
_(base-virtaddr)
/* clang-format on */
diff --git a/src/plugins/dpdk/device/format.c b/src/plugins/dpdk/device/format.c
index ab14231..d3234d1 100644
--- a/src/plugins/dpdk/device/format.c
+++ b/src/plugins/dpdk/device/format.c
@@ -384,6 +384,16 @@
if (!d)
return format (s, "not available");
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ s =
+ format (s, "name: %s, numa: %d", rte_dev_name (d), rte_dev_numa_node (d));
+
+ if (rte_dev_driver (d))
+ s = format (s, ", driver: %s", rte_driver_name (rte_dev_driver (d)));
+
+ if (rte_dev_bus (d))
+ s = format (s, ", bus: %s", rte_bus_name (rte_dev_bus (d)));
+#else
s = format (s, "name: %s, numa: %d", d->name, d->numa_node);
if (d->driver)
@@ -391,6 +401,7 @@
if (d->bus)
s = format (s, ", bus: %s", d->bus->name);
+#endif
return s;
}
@@ -421,9 +432,15 @@
format_white_space, indent + 2, format_dpdk_link_status, xd);
s = format (s, "%Uflags: %U\n",
format_white_space, indent + 2, format_dpdk_device_flags, xd);
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ if (rte_dev_devargs (di.device) && rte_dev_devargs (di.device)->args)
+ s = format (s, "%UDevargs: %s\n", format_white_space, indent + 2,
+ rte_dev_devargs (di.device)->args);
+#else
if (di.device->devargs && di.device->devargs->args)
s = format (s, "%UDevargs: %s\n",
format_white_space, indent + 2, di.device->devargs->args);
+#endif
s = format (s,
"%Urx: queues %d (max %d), desc %d "
"(min %d max %d align %d)\n",
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 847affe..3eb1da5 100644
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -205,8 +205,12 @@
if ((vmbus_dev = dpdk_get_vmbus_device (di)))
{
unformat_input_t input_vmbus;
- unformat_init_string (&input_vmbus, di->device->name,
- strlen (di->device->name));
+#if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
+ const char *dev_name = rte_dev_name (di->device);
+#else
+ const char *dev_name = di->device->name;
+#endif
+ unformat_init_string (&input_vmbus, dev_name, strlen (dev_name));
if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr, &vmbus_addr))
p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
&vmbus_addr);
@@ -997,7 +1001,6 @@
int eal_no_hugetlb = 0;
u8 no_pci = 0;
u8 no_vmbus = 0;
- u8 no_dsa = 0;
u8 file_prefix = 0;
u8 *socket_mem = 0;
u8 *huge_dir_path = 0;
@@ -1108,8 +1111,6 @@
tmp = format (0, "--no-pci%c", 0);
vec_add1 (conf->eal_init_args, tmp);
}
- else if (unformat (input, "no-dsa"))
- no_dsa = 1;
else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
&vmbus_addr))
{
@@ -1319,13 +1320,6 @@
vm = vlib_get_main ();
- if (no_dsa)
- {
- struct rte_bus *bus;
- bus = rte_bus_find_by_name ("dsa");
- if (bus)
- rte_bus_unregister (bus);
- }
/* 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 ",