svn commit: r259109 - in head/sys: conf opencrypto
Peter Wemm
peter at FreeBSD.org
Sun Dec 8 21:59:47 UTC 2013
Author: peter
Date: Sun Dec 8 21:59:46 2013
New Revision: 259109
URL: http://svnweb.freebsd.org/changeset/base/259109
Log:
Fix build with 'crypto' and 'zfs' in the same kernel. This was the path
of least pain I could find.
Added:
head/sys/opencrypto/cryptodeflate.c
- copied unchanged from r259108, head/sys/opencrypto/deflate.c
Deleted:
head/sys/opencrypto/deflate.c
Modified:
head/sys/conf/files
Modified: head/sys/conf/files
==============================================================================
--- head/sys/conf/files Sun Dec 8 20:43:01 2013 (r259108)
+++ head/sys/conf/files Sun Dec 8 21:59:46 2013 (r259109)
@@ -3728,7 +3728,7 @@ opencrypto/crypto.c optional crypto
opencrypto/cryptodev.c optional cryptodev
opencrypto/cryptodev_if.m optional crypto
opencrypto/cryptosoft.c optional crypto
-opencrypto/deflate.c optional crypto
+opencrypto/cryptodeflate.c optional crypto
opencrypto/rmd160.c optional crypto | ipsec
opencrypto/skipjack.c optional crypto
opencrypto/xform.c optional crypto
Copied: head/sys/opencrypto/cryptodeflate.c (from r259108, head/sys/opencrypto/deflate.c)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/opencrypto/cryptodeflate.c Sun Dec 8 21:59:46 2013 (r259109, copy of r259108, head/sys/opencrypto/deflate.c)
@@ -0,0 +1,263 @@
+/* $OpenBSD: deflate.c,v 1.3 2001/08/20 02:45:22 hugh Exp $ */
+
+/*-
+ * Copyright (c) 2001 Jean-Jacques Bernard-Gundol (jj at wabbitt.org)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This file contains a wrapper around the deflate algo compression
+ * functions using the zlib library (see net/zlib.{c,h})
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/malloc.h>
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/sdt.h>
+#include <sys/systm.h>
+#include <net/zlib.h>
+
+#include <opencrypto/cryptodev.h>
+#include <opencrypto/deflate.h>
+
+SDT_PROVIDER_DECLARE(opencrypto);
+SDT_PROBE_DEFINE2(opencrypto, deflate, deflate_global, entry,
+ "int", "u_int32_t");
+SDT_PROBE_DEFINE5(opencrypto, deflate, deflate_global, bad,
+ "int", "int", "int", "int", "int");
+SDT_PROBE_DEFINE5(opencrypto, deflate, deflate_global, iter,
+ "int", "int", "int", "int", "int");
+SDT_PROBE_DEFINE2(opencrypto, deflate, deflate_global, return,
+ "int", "u_int32_t");
+
+int window_inflate = -1 * MAX_WBITS;
+int window_deflate = -12;
+
+/*
+ * This function takes a block of data and (de)compress it using the deflate
+ * algorithm
+ */
+
+u_int32_t
+deflate_global(data, size, decomp, out)
+ u_int8_t *data;
+ u_int32_t size;
+ int decomp;
+ u_int8_t **out;
+{
+ /* decomp indicates whether we compress (0) or decompress (1) */
+
+ z_stream zbuf;
+ u_int8_t *output;
+ u_int32_t count, result;
+ int error, i;
+ struct deflate_buf *bufh, *bufp;
+
+ SDT_PROBE2(opencrypto, deflate, deflate_global, entry, decomp, size);
+
+ bufh = bufp = NULL;
+ if (!decomp) {
+ i = 1;
+ } else {
+ /*
+ * Choose a buffer with 4x the size of the input buffer
+ * for the size of the output buffer in the case of
+ * decompression. If it's not sufficient, it will need to be
+ * updated while the decompression is going on.
+ */
+ i = 4;
+ }
+ /*
+ * Make sure we do have enough output space. Repeated calls to
+ * deflate need at least 6 bytes of output buffer space to avoid
+ * repeated markers. We will always provide at least 16 bytes.
+ */
+ while ((size * i) < 16)
+ i++;
+
+ bufh = bufp = malloc(sizeof(*bufp) + (size_t)(size * i),
+ M_CRYPTO_DATA, M_NOWAIT);
+ if (bufp == NULL) {
+ SDT_PROBE3(opencrypto, deflate, deflate_global, bad,
+ decomp, 0, __LINE__);
+ goto bad2;
+ }
+ bufp->next = NULL;
+ bufp->size = size * i;
+
+ bzero(&zbuf, sizeof(z_stream));
+ zbuf.zalloc = z_alloc;
+ zbuf.zfree = z_free;
+ zbuf.opaque = Z_NULL;
+ zbuf.next_in = data; /* Data that is going to be processed. */
+ zbuf.avail_in = size; /* Total length of data to be processed. */
+ zbuf.next_out = bufp->data;
+ zbuf.avail_out = bufp->size;
+
+ error = decomp ? inflateInit2(&zbuf, window_inflate) :
+ deflateInit2(&zbuf, Z_DEFAULT_COMPRESSION, Z_METHOD,
+ window_deflate, Z_MEMLEVEL, Z_DEFAULT_STRATEGY);
+ if (error != Z_OK) {
+ SDT_PROBE3(opencrypto, deflate, deflate_global, bad,
+ decomp, error, __LINE__);
+ goto bad;
+ }
+
+ for (;;) {
+ error = decomp ? inflate(&zbuf, Z_SYNC_FLUSH) :
+ deflate(&zbuf, Z_FINISH);
+ if (error != Z_OK && error != Z_STREAM_END) {
+ /*
+ * Unfortunately we are limited to 5 arguments,
+ * thus use two probes.
+ */
+ SDT_PROBE5(opencrypto, deflate, deflate_global, bad,
+ decomp, error, __LINE__,
+ zbuf.avail_in, zbuf.avail_out);
+ SDT_PROBE5(opencrypto, deflate, deflate_global, bad,
+ decomp, error, __LINE__,
+ zbuf.state->dummy, zbuf.total_out);
+ goto bad;
+ }
+ SDT_PROBE5(opencrypto, deflate, deflate_global, iter,
+ decomp, error, __LINE__,
+ zbuf.avail_in, zbuf.avail_out);
+ SDT_PROBE5(opencrypto, deflate, deflate_global, iter,
+ decomp, error, __LINE__,
+ zbuf.state->dummy, zbuf.total_out);
+ if (decomp && zbuf.avail_in == 0 && error == Z_STREAM_END) {
+ /* Done. */
+ break;
+ } else if (!decomp && error == Z_STREAM_END) {
+ /* Done. */
+ break;
+ } else if (zbuf.avail_out == 0) {
+ struct deflate_buf *p;
+
+ /* We need more output space for another iteration. */
+ p = malloc(sizeof(*p) + (size_t)(size * i),
+ M_CRYPTO_DATA, M_NOWAIT);
+ if (p == NULL) {
+ SDT_PROBE3(opencrypto, deflate, deflate_global,
+ bad, decomp, 0, __LINE__);
+ goto bad;
+ }
+ p->next = NULL;
+ p->size = size * i;
+ bufp->next = p;
+ bufp = p;
+ zbuf.next_out = bufp->data;
+ zbuf.avail_out = bufp->size;
+ } else {
+ /* Unexpect result. */
+ /*
+ * Unfortunately we are limited to 5 arguments,
+ * thus, again, use two probes.
+ */
+ SDT_PROBE5(opencrypto, deflate, deflate_global, bad,
+ decomp, error, __LINE__,
+ zbuf.avail_in, zbuf.avail_out);
+ SDT_PROBE5(opencrypto, deflate, deflate_global, bad,
+ decomp, error, __LINE__,
+ zbuf.state->dummy, zbuf.total_out);
+ goto bad;
+ }
+ }
+
+ result = count = zbuf.total_out;
+
+ *out = malloc(result, M_CRYPTO_DATA, M_NOWAIT);
+ if (*out == NULL) {
+ SDT_PROBE3(opencrypto, deflate, deflate_global, bad,
+ decomp, 0, __LINE__);
+ goto bad;
+ }
+ if (decomp)
+ inflateEnd(&zbuf);
+ else
+ deflateEnd(&zbuf);
+ output = *out;
+ for (bufp = bufh; bufp != NULL; ) {
+ if (count > bufp->size) {
+ struct deflate_buf *p;
+
+ bcopy(bufp->data, *out, bufp->size);
+ *out += bufp->size;
+ count -= bufp->size;
+ p = bufp;
+ bufp = bufp->next;
+ free(p, M_CRYPTO_DATA);
+ } else {
+ /* It should be the last buffer. */
+ bcopy(bufp->data, *out, count);
+ *out += count;
+ free(bufp, M_CRYPTO_DATA);
+ bufp = NULL;
+ count = 0;
+ }
+ }
+ *out = output;
+ SDT_PROBE2(opencrypto, deflate, deflate_global, return, decomp, result);
+ return result;
+
+bad:
+ if (decomp)
+ inflateEnd(&zbuf);
+ else
+ deflateEnd(&zbuf);
+ for (bufp = bufh; bufp != NULL; ) {
+ struct deflate_buf *p;
+
+ p = bufp;
+ bufp = bufp->next;
+ free(p, M_CRYPTO_DATA);
+ }
+bad2:
+ *out = NULL;
+ return 0;
+}
+
+void *
+z_alloc(nil, type, size)
+ void *nil;
+ u_int type, size;
+{
+ void *ptr;
+
+ ptr = malloc(type *size, M_CRYPTO_DATA, M_NOWAIT);
+ return ptr;
+}
+
+void
+z_free(nil, ptr)
+ void *nil, *ptr;
+{
+ free(ptr, M_CRYPTO_DATA);
+}
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