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task #11472 Support PBUF_REF for RX (IPv6 and IPv4/v6 reassembly might not work yet)

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goldsimon
2014-12-08 14:45:36 +01:00
parent 36f470383b
commit 4085a3fad4
6 changed files with 58 additions and 28 deletions
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3
src/include/lwip/pbuf.h
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@@ -42,7 +42,9 @@ extern "C" {
/** Currently, the pbuf_custom code is only needed for one specific configuration
* of IP_FRAG */
#ifndef LWIP_SUPPORT_CUSTOM_PBUF
#define LWIP_SUPPORT_CUSTOM_PBUF (IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF)
#endif
/* @todo: We need a mechanism to prevent wasting memory in every pbuf
(TCP vs. UDP, IPv4 vs. IPv6: UDP/IPv4 packets may waste up to 28 bytes) */
@@ -158,6 +160,7 @@ struct pbuf *pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type,
#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
void pbuf_realloc(struct pbuf *p, u16_t size);
u8_t pbuf_header(struct pbuf *p, s16_t header_size);
u8_t pbuf_header_force(struct pbuf *p, s16_t header_size);
void pbuf_ref(struct pbuf *p);
u8_t pbuf_free(struct pbuf *p);
u8_t pbuf_clen(struct pbuf *p);