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authorDamjan Marion <damarion@cisco.com>2017-07-20 19:17:06 +0200
committerDave Wallace <dwallacelf@gmail.com>2017-08-24 19:49:09 +0000
commit57d963f88b2c99e698e2b29f72e190f47f41b1ad (patch)
tree0a26d5fd1e09b4b997db5950fe9bf70835ab9798 /src/plugins/dpdk/device/init.c
parentd48e9763bfc39106eca954a28223b72261bf1aeb (diff)
Make VPP runtime directory configurable
New startup config command: unix { runtime-dir /run/vpp } Also, adds recursive mkdir funtion for use in deifferent places like cli-config socket path and dpdk hugepage directory path. Change-Id: I1446ceab9c220c25804e73a743a3ebb383450124 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dpdk/device/init.c')
-rwxr-xr-xsrc/plugins/dpdk/device/init.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index c6c9ee3469c..6f7e168b358 100755
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -37,8 +37,6 @@ dpdk_main_t dpdk_main;
#define LINK_STATE_ELOGS 0
-#define DEFAULT_HUGE_DIR (VPP_RUN_DIR "/hugepages")
-
/* Port configuration, mildly modified Intel app values */
static struct rte_eth_conf port_conf_template = {
@@ -835,6 +833,10 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
u8 huge_dir = 0;
u8 file_prefix = 0;
u8 *socket_mem = 0;
+ u8 *huge_dir_path = 0;
+
+ huge_dir_path =
+ format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
log_level = RTE_LOG_NOTICE;
@@ -980,7 +982,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
u8 less_than_1g = 1;
int rv;
- umount (DEFAULT_HUGE_DIR);
+ umount ((char *) huge_dir_path);
/* Process "socket-mem" parameter value */
if (vec_len (socket_mem))
@@ -1057,27 +1059,20 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
vec_free (mem_by_socket);
- /* Make sure VPP_RUN_DIR exists */
- error = unix_make_vpp_run_dir ();
+ error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
if (error)
- 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");
+ rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0,
+ "pagesize=1G");
}
else if (use_2m)
{
- rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
+ rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
}
else
{
@@ -1092,7 +1087,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
tmp = format (0, "--huge-dir%c", 0);
vec_add1 (conf->eal_init_args, tmp);
- tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
+ tmp = format (0, "%s%c", huge_dir_path, 0);
vec_add1 (conf->eal_init_args, tmp);
if (!file_prefix)
{
@@ -1209,7 +1204,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
(char **) conf->eal_init_args);
/* lazy umount hugepages */
- umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
+ umount2 ((char *) huge_dir_path, MNT_DETACH);
+ rmdir ((char *) huge_dir_path);
+ vec_free (huge_dir_path);
if (ret < 0)
return clib_error_return (0, "rte_eal_init returned %d", ret);