Allow to retrieve uds path from the environment, facilitates
also dealing with export a bit.
Signed-off-by: Daniel Borkmann <dan...@iogearbox.net>
---
tc/f_bpf.c | 6 ++++--
tc/m_bpf.c | 6 ++++--
tc/tc_bpf.h | 2 ++
3 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/tc/f_bpf.c b/tc/f_bpf.c
index 597ef60..c21bf33 100644
--- a/tc/f_bpf.c
+++ b/tc/f_bpf.c
@@ -122,6 +122,7 @@ opt_bpf:
NEXT_ARG();
if (ebpf) {
+ bpf_uds_name = secure_getenv(BPF_ENV_UDS);
bpf_obj = *argv;
NEXT_ARG();
@@ -131,8 +132,9 @@ opt_bpf:
bpf_sec_name = *argv;
NEXT_ARG();
}
- if (strcmp(*argv, "export") == 0 ||
- strcmp(*argv, "exp") == 0) {
+ if (!bpf_uds_name &&
+ (strcmp(*argv, "export") == 0 ||
+ strcmp(*argv, "exp") == 0)) {
NEXT_ARG();
bpf_uds_name = *argv;
NEXT_ARG();
diff --git a/tc/m_bpf.c b/tc/m_bpf.c
index 0621157..9ddb667 100644
--- a/tc/m_bpf.c
+++ b/tc/m_bpf.c
@@ -105,6 +105,7 @@ opt_bpf:
NEXT_ARG();
if (ebpf) {
+ bpf_uds_name = secure_getenv(BPF_ENV_UDS);
bpf_obj = *argv;
NEXT_ARG();
@@ -114,8 +115,9 @@ opt_bpf:
bpf_sec_name = *argv;
NEXT_ARG();
}
- if (strcmp(*argv, "export") == 0 ||
- strcmp(*argv, "exp") == 0) {
+ if (!bpf_uds_name &&
+ (strcmp(*argv, "export") == 0 ||
+ strcmp(*argv, "exp") == 0)) {
NEXT_ARG();
bpf_uds_name = *argv;
NEXT_ARG();
diff --git a/tc/tc_bpf.h b/tc/tc_bpf.h
index 5a697e5..2ad8812 100644
--- a/tc/tc_bpf.h
+++ b/tc/tc_bpf.h
@@ -25,6 +25,8 @@
#include "utils.h"
#include "bpf_scm.h"
+#define BPF_ENV_UDS "TC_BPF_UDS"
+
int bpf_parse_string(char *arg, bool from_file, __u16 *bpf_len,
char **bpf_string, bool *need_release,
const char separator);
--
1.9.3
--
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