diff options
| author | Vadim Kochan <vadim4j@gmail.com> | 2015-07-19 14:41:19 +0300 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2015-07-20 10:05:05 +0200 |
| commit | a839a6ad1dd48802e50fddca2747eea511b65826 (patch) | |
| tree | 2f0f536e7884efad3ab4c8287a46c2e3720f3c00 | |
| parent | a1e7c1dc527ca3c37349cebc6fbeaa12a594fcf3 (diff) | |
bpf: Use sysctl helpers to enable bpf jit compiler
Use sysctl helpers to set /proc/sys/net/core/bpf_jit_enable param.
Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
| -rw-r--r-- | astraceroute/Makefile | 1 | ||||
| -rw-r--r-- | bpf.c | 14 | ||||
| -rw-r--r-- | bpfc/Makefile | 1 | ||||
| -rw-r--r-- | netsniff-ng/Makefile | 1 |
4 files changed, 5 insertions, 12 deletions
diff --git a/astraceroute/Makefile b/astraceroute/Makefile index 2e80a11..bbf9e88 100644 --- a/astraceroute/Makefile +++ b/astraceroute/Makefile @@ -17,6 +17,7 @@ astraceroute-objs = xmalloc.o \ dev.o \ ring.o \ die.o \ + sysctl.o \ astraceroute.o ifeq ($(CONFIG_GEOIP), 1) @@ -18,6 +18,7 @@ #include "xmalloc.h" #include "die.h" #include "str.h" +#include "sysctl.h" #define EXTRACT_SHORT(packet) \ ((unsigned short) ntohs(*(unsigned short *) packet)) @@ -380,18 +381,7 @@ void bpf_detach_from_sock(int sock) int enable_kernel_bpf_jit_compiler(void) { - int fd; - ssize_t ret; - char *file = "/proc/sys/net/core/bpf_jit_enable"; - - fd = open(file, O_WRONLY); - if (unlikely(fd < 0)) - return -1; - - ret = write(fd, "1", strlen("1")); - - close(fd); - return ret; + return sysctl_set_int("net/core/bpf_jit_enable", 1); } int __bpf_validate(const struct sock_fprog *bpf) diff --git a/bpfc/Makefile b/bpfc/Makefile index b8a3787..b687bd1 100644 --- a/bpfc/Makefile +++ b/bpfc/Makefile @@ -6,6 +6,7 @@ bpfc-objs = xmalloc.o \ bpf_lexer.yy.o \ bpf_parser.tab.o \ die.o \ + sysctl.o \ bpfc.o bpfc-lex = bpf_lexer.yy.o diff --git a/netsniff-ng/Makefile b/netsniff-ng/Makefile index 33701a4..03e306e 100644 --- a/netsniff-ng/Makefile +++ b/netsniff-ng/Makefile @@ -66,6 +66,7 @@ netsniff-ng-objs = dissector.o \ timer.o \ mac80211.o \ die.o \ + sysctl.o \ netsniff-ng.o ifeq ($(CONFIG_LIBPCAP), 1) |