Add the new floating related argument option in the EAL.
Using this parameter, all the samples can decide whether to use legacy VEB/VEPA
or floating VEB.
Even the floating argument is provided in the EAL, but this floating
feature are only support for FVL so far.
Signed-off-by: Zhe Tao
---
doc/guides/testpmd_app_ug/run_app.rst | 4
lib/librte_eal/common/eal_common_options.c | 4
lib/librte_eal/common/eal_internal_cfg.h | 1 +
lib/librte_eal/common/eal_options.h| 2 ++
4 files changed, 11 insertions(+)
diff --git a/doc/guides/testpmd_app_ug/run_app.rst
b/doc/guides/testpmd_app_ug/run_app.rst
index f605564..2f02f63 100644
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -156,6 +156,10 @@ See the DPDK Getting Started Guides for more information
on these options.
Use malloc instead of hugetlbfs.
+* ``--floating``
+
+Enable floating feature for virtual ethernet switch in the NIC.
+Now only Intel i40e NIC supports this feature.
Testpmd Command-line Options
diff --git a/lib/librte_eal/common/eal_common_options.c
b/lib/librte_eal/common/eal_common_options.c
index 29942ea..29ed7bf 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -95,6 +95,7 @@ eal_long_options[] = {
{OPT_VFIO_INTR, 1, NULL, OPT_VFIO_INTR_NUM},
{OPT_VMWARE_TSC_MAP,0, NULL, OPT_VMWARE_TSC_MAP_NUM },
{OPT_XEN_DOM0, 0, NULL, OPT_XEN_DOM0_NUM },
+ {OPT_FLOATING, 0, NULL, OPT_FLOATING_NUM },
{0, 0, NULL, 0}
};
@@ -896,6 +897,9 @@ eal_parse_common_option(int opt, const char *optarg,
return -1;
}
break;
+ case OPT_FLOATING_NUM:
+ conf->floating = 1;
+ break;
/* don't know what to do, leave this to caller */
default:
diff --git a/lib/librte_eal/common/eal_internal_cfg.h
b/lib/librte_eal/common/eal_internal_cfg.h
index 5f1367e..19b321a 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -68,6 +68,7 @@ struct internal_config {
volatile unsigned xen_dom0_support; /**< support app running on Xen
Dom0*/
volatile unsigned no_pci; /**< true to disable PCI */
volatile unsigned no_hpet;/**< true to disable HPET */
+ volatile unsigned floating; /**< true to enable floating VEB */
volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
* instead of native TSC */
volatile unsigned no_shconf; /**< true if there is no shared
config */
diff --git a/lib/librte_eal/common/eal_options.h
b/lib/librte_eal/common/eal_options.h
index a881c62..413c9e6 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -83,6 +83,8 @@ enum {
OPT_VMWARE_TSC_MAP_NUM,
#define OPT_XEN_DOM0 "xen-dom0"
OPT_XEN_DOM0_NUM,
+#define OPT_FLOATING "floating"
+ OPT_FLOATING_NUM,
OPT_LONG_MAX_NUM
};
--
2.1.4
