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authorDamjan Marion <damarion@cisco.com>2020-11-19 15:12:29 +0100
committerBeno�t Ganne <bganne@cisco.com>2020-11-19 18:03:22 +0000
commit97d6860b229e15c5d34931f6ca440adb32e600dc (patch)
treeaf28abf7f89cef9e9f7959c856848298da642c9c /src/plugins/dpdk
parente3e9d8af46a407afc6e7e83cf705f604c771923f (diff)
dpdk: remove dpdk_early_init
We cannot disable dpdk plugin if hugepages are not present, as there are some valid uses cases where dpdk works unpriviledged without hugepages. Type: fix Change-Id: If67d8c941617ac0f16d496655d2bb6e489d34ad4 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dpdk')
-rw-r--r--src/plugins/dpdk/main.c52
1 files changed, 0 insertions, 52 deletions
diff --git a/src/plugins/dpdk/main.c b/src/plugins/dpdk/main.c
index ef93a224ef9..413a0f0df9d 100644
--- a/src/plugins/dpdk/main.c
+++ b/src/plugins/dpdk/main.c
@@ -96,61 +96,9 @@ VLIB_INIT_FUNCTION (dpdk_main_init) =
{
.runs_after = VLIB_INITS("dpdk_init"),
};
-/* *INDENT-ON* */
-
-
-__clib_export clib_error_t *
-dpdk_early_init (vlib_main_t *vm)
-{
- int fd = -1;
- u64 *pt = 0;
- clib_error_t *err = 0;
-
- /* check if pagemap is accessible - if we get zero result
- dpdk will not be able to get physical memory address and game is over
- unless we have IOMMU */
- pt = clib_mem_vm_get_paddr (&pt, CLIB_MEM_PAGE_SZ_DEFAULT, 1);
- if (pt && pt[0])
- goto check_hugetlb;
-
- if ((fd = open ("/dev/vfio/vfio", O_RDWR)) == -1)
- goto error;
-
- if (ioctl (fd, VFIO_GET_API_VERSION) != VFIO_API_VERSION)
- goto error;
-
- /* if we have type 1 IOMMU page map is not needed */
- if (ioctl (fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1_IOMMU) != 1)
- goto error;
-
-check_hugetlb:
- fd = clib_mem_vm_create_fd (CLIB_MEM_PAGE_SZ_DEFAULT_HUGE,
- "dpdk early init");
- if (fd != -1)
- {
- u8 *page = clib_mem_vm_map_shared (0, 1, fd, 0, "dpdk_early_init");
- if (page != CLIB_MEM_VM_MAP_FAILED)
- {
- clib_mem_vm_unmap (page);
- goto done;
- }
- }
-
-error:
- err = clib_error_return (0, "access to physical devices is not allowed");
-
-done:
- if (fd != -1)
- close (fd);
- vec_free (pt);
- return err;
-}
-
-/* *INDENT-OFF* */
VLIB_PLUGIN_REGISTER () = {
.version = VPP_BUILD_VER,
.description = "Data Plane Development Kit (DPDK)",
- .early_init = "dpdk_early_init",
};
/* *INDENT-ON* */