mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-11-04 14:29:39 +00:00
task #6831: removed the option PBUF_POOL_USES_MEMP and removed the old pbuf pool code, pbuf pool now always allocates from a memp pool
This commit is contained in:
goldsimon
parent
a5e2e9ea03
commit
62d705903e
@ -24,9 +24,9 @@ HISTORY
|
||||
++ New features:
|
||||
|
||||
2007-05-10 Simon Goldschmidt
|
||||
* opt.h, memp.h, memp.c, pbuf.c (see task #6831): Included new option
|
||||
PBUF_POOL_USES_MEMP to use a memp pool for PBUF_POOL pbufs instead of the
|
||||
old pool implementation in pbuf.c to remove redundant code.
|
||||
* opt.h, memp.h, memp.c, pbuf.c (see task #6831): use a new memp pool for
|
||||
PBUF_POOL pbufs instead of the old pool implementation in pbuf.c to reduce
|
||||
code size.
|
||||
|
||||
2007-05-11 Frédéric Bernon
|
||||
* sockets.c, api_lib.c, api_msg.h, api_msg.c, netifapi.h, netifapi.c, tcpip.c:
|
||||
|
||||
@ -70,9 +70,7 @@ static const u16_t memp_sizes[MEMP_MAX] = {
|
||||
#if ARP_QUEUEING
|
||||
MEM_ALIGN_SIZE(sizeof(struct etharp_q_entry)),
|
||||
#endif
|
||||
#if PBUF_POOL_USES_MEMP
|
||||
MEM_ALIGN_SIZE(sizeof(struct pbuf)) + MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE),
|
||||
#endif
|
||||
MEM_ALIGN_SIZE(sizeof(struct sys_timeo))
|
||||
};
|
||||
|
||||
@ -89,9 +87,7 @@ static const u16_t memp_num[MEMP_MAX] = {
|
||||
#if ARP_QUEUEING
|
||||
MEMP_NUM_ARP_QUEUE,
|
||||
#endif
|
||||
#if PBUF_POOL_USES_MEMP
|
||||
PBUF_POOL_SIZE,
|
||||
#endif
|
||||
MEMP_NUM_SYS_TIMEOUT
|
||||
};
|
||||
|
||||
@ -111,10 +107,8 @@ static u8_t memp_memory[MEM_ALIGNMENT - 1 +
|
||||
#if ARP_QUEUEING
|
||||
MEMP_TYPE_SIZE(MEMP_NUM_ARP_QUEUE, struct etharp_q_entry) +
|
||||
#endif
|
||||
#if PBUF_POOL_USES_MEMP
|
||||
MEMP_TYPE_SIZE(PBUF_POOL_SIZE, struct pbuf) +
|
||||
PBUF_POOL_SIZE * MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE) +
|
||||
#endif
|
||||
PBUF_POOL_SIZE * MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE) +
|
||||
MEMP_TYPE_SIZE(MEMP_NUM_SYS_TIMEOUT, struct sys_timeo)];
|
||||
|
||||
#if !SYS_LIGHTWEIGHT_PROT
|
||||
|
||||
121
src/core/pbuf.c
121
src/core/pbuf.c
@ -74,15 +74,6 @@
|
||||
|
||||
#define SIZEOF_STRUCT_PBUF MEM_ALIGN_SIZE(sizeof(struct pbuf))
|
||||
|
||||
#if !PBUF_POOL_USES_MEMP
|
||||
static u8_t pbuf_pool_memory[MEM_ALIGNMENT - 1 + PBUF_POOL_SIZE * MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE) + SIZEOF_STRUCT_PBUF];
|
||||
|
||||
static struct pbuf *pbuf_pool = NULL;
|
||||
|
||||
/* Forward declaration */
|
||||
static void pbuf_pool_init(void);
|
||||
#endif /* PBUF_POOL_USES_MEMP */
|
||||
|
||||
/**
|
||||
* Initializes the pbuf module.
|
||||
*
|
||||
@ -94,114 +85,8 @@ pbuf_init(void)
|
||||
{
|
||||
LWIP_ASSERT("pbuf_init: PBUF_POOL_BUFSIZE not aligned",
|
||||
(PBUF_POOL_BUFSIZE % MEM_ALIGNMENT) == 0);
|
||||
|
||||
#if !PBUF_POOL_USES_MEMP
|
||||
pbuf_pool_init();
|
||||
#endif /* PBUF_POOL_USES_MEMP */
|
||||
}
|
||||
|
||||
#if !PBUF_POOL_USES_MEMP
|
||||
/**
|
||||
* Initializes the pbuf pool.
|
||||
*
|
||||
* A large part of memory is allocated for holding the pool of pbufs.
|
||||
* The size of the individual pbufs in the pool is given by the size
|
||||
* parameter, and the number of pbufs in the pool by the num parameter.
|
||||
*
|
||||
* After the memory has been allocated, the pbufs are set up. The
|
||||
* ->next pointer in each pbuf is set up to point to the next pbuf in
|
||||
* the pool.
|
||||
*
|
||||
*/
|
||||
static void
|
||||
pbuf_pool_init(void)
|
||||
{
|
||||
struct pbuf *p, *q = NULL;
|
||||
u16_t i;
|
||||
|
||||
pbuf_pool = (struct pbuf *)MEM_ALIGN(pbuf_pool_memory);
|
||||
|
||||
#if PBUF_STATS
|
||||
lwip_stats.pbuf.avail = PBUF_POOL_SIZE;
|
||||
#endif /* PBUF_STATS */
|
||||
|
||||
/* Set up ->next pointers to link the pbufs of the pool together */
|
||||
p = pbuf_pool;
|
||||
|
||||
for(i = 0; i < PBUF_POOL_SIZE; ++i) {
|
||||
p->next = (struct pbuf *)((u8_t *)p + PBUF_POOL_BUFSIZE + SIZEOF_STRUCT_PBUF);
|
||||
p->len = p->tot_len = PBUF_POOL_BUFSIZE;
|
||||
p->payload = MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF));
|
||||
p->flags = PBUF_FLAG_POOL;
|
||||
q = p;
|
||||
p = p->next;
|
||||
}
|
||||
|
||||
/* The ->next pointer of last pbuf is NULL to indicate that there
|
||||
are no more pbufs in the pool */
|
||||
q->next = NULL;
|
||||
}
|
||||
|
||||
/**
|
||||
* @internal only called from pbuf_alloc()
|
||||
*/
|
||||
static struct pbuf *
|
||||
pbuf_pool_alloc(void)
|
||||
{
|
||||
struct pbuf *p;
|
||||
|
||||
SYS_ARCH_DECL_PROTECT(old_level);
|
||||
SYS_ARCH_PROTECT(old_level);
|
||||
|
||||
p = pbuf_pool;
|
||||
if (p) {
|
||||
pbuf_pool = p->next;
|
||||
#if PBUF_STATS
|
||||
++lwip_stats.pbuf.used;
|
||||
if (lwip_stats.pbuf.used > lwip_stats.pbuf.max) {
|
||||
lwip_stats.pbuf.max = lwip_stats.pbuf.used;
|
||||
}
|
||||
#endif /* PBUF_STATS */
|
||||
} else {
|
||||
LWIP_DEBUGF(PBUF_DEBUG | 2, ("pbuf_pool_alloc: Out of pbufs in pool.\n"));
|
||||
#if PBUF_STATS
|
||||
++lwip_stats.pbuf.err;
|
||||
#endif /* PBUF_STATS */
|
||||
}
|
||||
|
||||
SYS_ARCH_UNPROTECT(old_level);
|
||||
return p;
|
||||
}
|
||||
|
||||
/**
|
||||
* @internal only called from pbuf_free()
|
||||
*
|
||||
* Implemented as static function to make it easy to change pbuf_pool
|
||||
* implementation.
|
||||
*/
|
||||
static void
|
||||
pbuf_pool_free(struct pbuf *p)
|
||||
{
|
||||
SYS_ARCH_DECL_PROTECT(old_level);
|
||||
|
||||
LWIP_DEBUG_ASSERT("p->ref == 0", p->ref == 0);
|
||||
|
||||
p->len = p->tot_len = PBUF_POOL_BUFSIZE;
|
||||
p->payload = (void *)((u8_t *)p + SIZEOF_STRUCT_PBUF);
|
||||
/* put p at the front of the pool */
|
||||
SYS_ARCH_PROTECT(old_level);
|
||||
p->next = pbuf_pool;
|
||||
pbuf_pool = p;
|
||||
#if PBUF_STATS
|
||||
--lwip_stats.pbuf.used;
|
||||
#endif
|
||||
SYS_ARCH_UNPROTECT(old_level);
|
||||
}
|
||||
#else /* PBUF_POOL_USES_MEMP */
|
||||
#define pbuf_pool_alloc() memp_malloc(MEMP_PBUF_POOL)
|
||||
#define pbuf_pool_free(p) memp_free(MEMP_PBUF_POOL, p)
|
||||
#endif /* PBUF_POOL_USES_MEMP */
|
||||
|
||||
/**
|
||||
* Allocates a pbuf of the given type (possibly a chain for PBUF_POOL type).
|
||||
*
|
||||
@ -264,7 +149,7 @@ pbuf_alloc(pbuf_layer l, u16_t length, pbuf_flag flag)
|
||||
switch (flag) {
|
||||
case PBUF_POOL:
|
||||
/* allocate head of pbuf chain into p */
|
||||
p = pbuf_pool_alloc();
|
||||
p = memp_malloc(MEMP_PBUF_POOL);
|
||||
LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE | 3, ("pbuf_alloc: allocated pbuf %p\n", (void *)p));
|
||||
if (p == NULL) {
|
||||
return NULL;
|
||||
@ -291,7 +176,7 @@ pbuf_alloc(pbuf_layer l, u16_t length, pbuf_flag flag)
|
||||
rem_len = length - p->len;
|
||||
/* any remaining pbufs to be allocated? */
|
||||
while (rem_len > 0) {
|
||||
q = pbuf_pool_alloc();
|
||||
q = memp_malloc(MEMP_PBUF_POOL);
|
||||
if (q == NULL) {
|
||||
/* free chain so far allocated */
|
||||
pbuf_free(p);
|
||||
@ -603,7 +488,7 @@ pbuf_free(struct pbuf *p)
|
||||
flags = p->flags;
|
||||
/* is this a pbuf from the pool? */
|
||||
if (flags == PBUF_FLAG_POOL) {
|
||||
pbuf_pool_free(p);
|
||||
memp_free(MEMP_PBUF_POOL, p);
|
||||
/* is this a ROM or RAM referencing pbuf? */
|
||||
} else if (flags == PBUF_FLAG_ROM || flags == PBUF_FLAG_REF) {
|
||||
memp_free(MEMP_PBUF, p);
|
||||
|
||||
@ -54,9 +54,7 @@ typedef enum {
|
||||
#if ARP_QUEUEING
|
||||
MEMP_ARP_QUEUE,
|
||||
#endif
|
||||
#if PBUF_POOL_USES_MEMP
|
||||
MEMP_PBUF_POOL,
|
||||
#endif
|
||||
MEMP_SYS_TIMEOUT,
|
||||
|
||||
MEMP_MAX
|
||||
|
||||
@ -377,13 +377,6 @@ a lot of data that needs to be copied, this should be set high. */
|
||||
|
||||
|
||||
/* ---------- Pbuf options ---------- */
|
||||
/* PBUF_POOL_USES_MEMP: if set to 1, PBUF_POOL pbufs are allocated using an
|
||||
additional memp type, which saves some code since a dedicated pbuf pool
|
||||
is not used any more */
|
||||
#ifndef PBUF_POOL_USES_MEMP
|
||||
#define PBUF_POOL_USES_MEMP 0
|
||||
#endif
|
||||
|
||||
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
|
||||
#ifndef PBUF_POOL_SIZE
|
||||
#define PBUF_POOL_SIZE 16
|
||||
|
||||
Loading…
Reference in New Issue
Block a user