32 #ifndef __LWIP_NETBUF_H__ 33 #define __LWIP_NETBUF_H__ 44 #define NETBUF_FLAG_DESTADDR 0x01 46 #define NETBUF_FLAG_CHKSUM 0x02 52 #if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY 53 #if LWIP_CHECKSUM_ON_COPY 57 #if LWIP_NETBUF_RECVINFO 79 #define netbuf_copy_partial(buf, dataptr, len, offset) \ 80 pbuf_copy_partial((buf)->p, (dataptr), (len), (offset)) 81 #define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0) 82 #define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len) 83 #define netbuf_len(buf) ((buf)->p->tot_len) 84 #define netbuf_fromaddr(buf) (&((buf)->addr)) 85 #define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set((&(buf)->addr), fromaddr) 86 #define netbuf_fromport(buf) ((buf)->port) 87 #if LWIP_NETBUF_RECVINFO 88 #define netbuf_destaddr(buf) (&((buf)->toaddr)) 89 #define netbuf_set_destaddr(buf, destaddr) ip_addr_set((&(buf)->addr), destaddr) 90 #define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0) 92 #if LWIP_CHECKSUM_ON_COPY 93 #define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \ 94 (buf)->toport_chksum = chksum; } while(0)
void netbuf_delete(struct netbuf *buf) ICACHE_FLASH_ATTR
#define ICACHE_FLASH_ATTR
err_t netbuf_ref(struct netbuf *buf, const void *dataptr, u16_t size) ICACHE_FLASH_ATTR
void * netbuf_alloc(struct netbuf *buf, u16_t size) ICACHE_FLASH_ATTR
void netbuf_chain(struct netbuf *head, struct netbuf *tail) ICACHE_FLASH_ATTR
typedefPACK_STRUCT_END struct ip_addr ip_addr_t
struct netbuf * netbuf_new(void) ICACHE_FLASH_ATTR
err_t netbuf_data(struct netbuf *buf, void **dataptr, u16_t *len) ICACHE_FLASH_ATTR
void netbuf_first(struct netbuf *buf) ICACHE_FLASH_ATTR
void netbuf_free(struct netbuf *buf) ICACHE_FLASH_ATTR
s8_t netbuf_next(struct netbuf *buf) ICACHE_FLASH_ATTR