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Split pbuf flags in pbuf type and flgs.

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Improved lwip_recvfrom(). TCP push now propagated.
This commit is contained in:
marcbou
2007-08-16 20:22:15 +00:00
parent 75935ad251
commit 4236699052
5 changed files with 80 additions and 50 deletions
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17
src/include/lwip/pbuf.h
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@@ -59,11 +59,13 @@ typedef enum {
/* Definitions for the pbuf flag field. These are NOT the flags that
* are passed to pbuf_alloc(). */
#define PBUF_FLAG_RAM 0x00U /* Flags that pbuf data is stored in RAM */
#define PBUF_FLAG_ROM 0x01U /* Flags that pbuf data is stored in ROM */
#define PBUF_FLAG_POOL 0x02U /* Flags that the pbuf comes from the pbuf pool */
#define PBUF_FLAG_REF 0x04U /* Flags thet the pbuf payload refers to RAM */
#define PBUF_TYPE_RAM 0x00U /* pbuf data is stored in RAM */
#define PBUF_TYPE_ROM 0x01U /* pbuf data is stored in ROM */
#define PBUF_TYPE_POOL 0x02U /* pbuf comes from the pbuf pool */
#define PBUF_TYPE_REF 0x04U /* pbuf payload refers to RAM */
/** indicates this packet's data should be immediately passed to the application */
#define PBUF_FLAG_PUSH 0x40U
/** indicates this packet was broadcast on the link */
#define PBUF_FLAG_LINK_BROADCAST 0x80U
@@ -86,8 +88,11 @@ struct pbuf {
/** length of this buffer */
u16_t len;
/** flags telling the type of pbuf, see PBUF_FLAG_ */
u16_t flags;
/** type of pbuf, see PBUF_TYPE_ */
u8_t type;
/** misc flags */
u8_t flgs;
/**
* the reference count always equals the number of pointers