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authorjkim <jkim@FreeBSD.org>2008-08-18 18:59:33 +0000
committerjkim <jkim@FreeBSD.org>2008-08-18 18:59:33 +0000
commit137ba6a2385b32d5d9884b675796cb1f79f233c9 (patch)
tree63e735d7c3751dfcf9d460fb513fe5fb008d5671 /sys/net/bpf_jitter.c
parentadc2f6a5dab4ec90dc49720f17ae81c65aefebc7 (diff)
downloadFreeBSD-src-137ba6a2385b32d5d9884b675796cb1f79f233c9.zip
FreeBSD-src-137ba6a2385b32d5d9884b675796cb1f79f233c9.tar.gz
- Make these files compilable on user land.
- Update copyrights and fix style(9).
Diffstat (limited to 'sys/net/bpf_jitter.c')
-rw-r--r--sys/net/bpf_jitter.c61
1 files changed, 52 insertions, 9 deletions
diff --git a/sys/net/bpf_jitter.c b/sys/net/bpf_jitter.c
index b1a61c5..69b2511 100644
--- a/sys/net/bpf_jitter.c
+++ b/sys/net/bpf_jitter.c
@@ -1,6 +1,6 @@
/*-
- * Copyright (c) 2002 - 2003 NetGroup, Politecnico di Torino (Italy)
- * Copyright (c) 2005 Jung-uk Kim <jkim@FreeBSD.org>
+ * Copyright (C) 2002-2003 NetGroup, Politecnico di Torino (Italy)
+ * Copyright (C) 2005-2008 Jung-uk Kim <jkim@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -32,6 +32,7 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
+#ifdef _KERNEL
#include "opt_bpf.h"
#include <sys/param.h>
@@ -39,14 +40,19 @@ __FBSDID("$FreeBSD$");
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/sysctl.h>
+#else
+#include <stdlib.h>
+#include <sys/types.h>
+#endif
#include <net/bpf.h>
#include <net/bpf_jitter.h>
-MALLOC_DEFINE(M_BPFJIT, "BPF_JIT", "BPF JIT compiler");
-
bpf_filter_func bpf_jit_compile(struct bpf_insn *, u_int, int *);
+#ifdef _KERNEL
+MALLOC_DEFINE(M_BPFJIT, "BPF_JIT", "BPF JIT compiler");
+
SYSCTL_NODE(_net, OID_AUTO, bpf_jitter, CTLFLAG_RW, 0, "BPF JIT compiler");
int bpf_jitter_enable = 1;
SYSCTL_INT(_net_bpf_jitter, OID_AUTO, enable, CTLFLAG_RW,
@@ -58,27 +64,27 @@ bpf_jitter(struct bpf_insn *fp, int nins)
bpf_jit_filter *filter;
/* Allocate the filter structure */
- filter = (struct bpf_jit_filter *)malloc(sizeof(struct bpf_jit_filter),
+ filter = (struct bpf_jit_filter *)malloc(sizeof(*filter),
M_BPFJIT, M_NOWAIT);
if (filter == NULL)
- return NULL;
+ return (NULL);
/* Allocate the filter's memory */
filter->mem = (int *)malloc(BPF_MEMWORDS * sizeof(int),
M_BPFJIT, M_NOWAIT);
if (filter->mem == NULL) {
free(filter, M_BPFJIT);
- return NULL;
+ return (NULL);
}
/* Create the binary */
if ((filter->func = bpf_jit_compile(fp, nins, filter->mem)) == NULL) {
free(filter->mem, M_BPFJIT);
free(filter, M_BPFJIT);
- return NULL;
+ return (NULL);
}
- return filter;
+ return (filter);
}
void
@@ -89,3 +95,40 @@ bpf_destroy_jit_filter(bpf_jit_filter *filter)
free(filter->func, M_BPFJIT);
free(filter, M_BPFJIT);
}
+#else
+bpf_jit_filter *
+bpf_jitter(struct bpf_insn *fp, int nins)
+{
+ bpf_jit_filter *filter;
+
+ /* Allocate the filter structure */
+ filter = (struct bpf_jit_filter *)malloc(sizeof(*filter));
+ if (filter == NULL)
+ return (NULL);
+
+ /* Allocate the filter's memory */
+ filter->mem = (int *)malloc(BPF_MEMWORDS * sizeof(int));
+ if (filter->mem == NULL) {
+ free(filter);
+ return (NULL);
+ }
+
+ /* Create the binary */
+ if ((filter->func = bpf_jit_compile(fp, nins, filter->mem)) == NULL) {
+ free(filter->mem);
+ free(filter);
+ return (NULL);
+ }
+
+ return (filter);
+}
+
+void
+bpf_destroy_jit_filter(bpf_jit_filter *filter)
+{
+
+ free(filter->mem);
+ free(filter->func);
+ free(filter);
+}
+#endif
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