Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* Cleanup.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29591 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2009-03-18 16:16:05 +00:00
parent 7ce5cc5505
commit b93ed02c5a
1 changed files with 22 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/libs/compat/freebsd_network/mbuf.c
View File

@ -1,13 +1,8 @@
/*
* Copyright 2007, Hugo Santos. All Rights Reserved.
* Copyright 2004, Marcus Overhagen. All Rights Reserved.
*
* Distributed under the terms of the MIT License.
*
* Authors:
* Hugo Santos, hugosantos@gmail.com
*
* Some of this code is based on previous work by Marcus Overhagen.
*
* `m_defrag' and friends are straight from FreeBSD 6.2.
*/
#include "device.h"
@ -19,16 +14,19 @@
#include <compat/sys/mbuf.h>
#include <compat/sys/kernel.h>
static object_cache *sMBufCache;
static object_cache *sChunkCache;
static object_cache *sJumbo9ChunkCache;
int max_linkhdr = 16;
int max_protohdr = 40 + 20; /* ip6 + tcp */
/* max_linkhdr + max_protohdr, but that's not allowed by gcc. */
int max_hdr = 16 + 40 + 20;
static int
m_to_oc_flags(int how)
{
@ -64,30 +62,30 @@ static int
construct_ext_sized_mbuf(struct mbuf *mb, int how, int size)
{
object_cache *cache;
int ext_type;
int extType;
if (size != MCLBYTES && size != MJUM9BYTES)
panic("unsupported size");
if (size == MCLBYTES) {
cache = sChunkCache;
ext_type = EXT_CLUSTER;
extType = EXT_CLUSTER;
} else {
cache = sJumbo9ChunkCache;
ext_type = EXT_JUMBO9;
extType = EXT_JUMBO9;
}
mb->m_ext.ext_buf = object_cache_alloc(cache, m_to_oc_flags(how));
if (mb->m_ext.ext_buf == NULL)
return B_NO_MEMORY;
mb->m_data = mb->m_ext.ext_buf;
mb->m_flags |= M_EXT;
/* mb->m_ext.ext_free = NULL; */
/* mb->m_ext.ext_args = NULL; */
mb->m_ext.ext_size = size;
mb->m_ext.ext_type = ext_type;
mb->m_ext.ext_type = extType;
/* mb->m_ext.ref_cnt = NULL; */
return 0;
return 0;
}
@ -113,12 +111,15 @@ static void
destruct_pkt_mbuf(struct mbuf *mb)
{
object_cache *cache;
if (mb->m_ext.ext_type & EXT_CLUSTER)
if ((mb->m_ext.ext_type & EXT_CLUSTER) != 0)
cache = sChunkCache;
else if (mb->m_ext.ext_type & EXT_JUMBO9)
else if ((mb->m_ext.ext_type & EXT_JUMBO9) != 0)
cache = sJumbo9ChunkCache;
else
else {
panic("unknown cache");
return;
}
object_cache_free(cache, mb->m_ext.ext_buf);
mb->m_ext.ext_buf = NULL;
}
@ -220,7 +221,7 @@ mb_free_ext(struct mbuf *m)
/*
if (m->m_ext.ref_count != NULL)
panic("unsupported");
*/
*/
if (m->m_ext.ext_type == EXT_PACKET)
destruct_pkt_mbuf(m);
@ -261,7 +262,7 @@ m_extadd(struct mbuf *m, caddr_t buffer, u_int size,
status_t
init_mbufs()
init_mbufs(void)
{
sMBufCache = create_object_cache("mbufs", MSIZE, 8, NULL, NULL, NULL);
if (sMBufCache == NULL)
@ -270,8 +271,8 @@ init_mbufs()
NULL);
if (sChunkCache == NULL)
goto clean;
sJumbo9ChunkCache = create_object_cache("mbuf jumbo9 chunks", MJUM9BYTES, 0, NULL, NULL,
NULL);
sJumbo9ChunkCache = create_object_cache("mbuf jumbo9 chunks", MJUM9BYTES, 0,
NULL, NULL, NULL);
if (sJumbo9ChunkCache == NULL)
goto clean;
return B_OK;
@ -286,7 +287,7 @@ clean:
void
uninit_mbufs()
uninit_mbufs(void)
{
delete_object_cache(sMBufCache);
delete_object_cache(sChunkCache);