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Fix bug #55078: Add custom data to pbuf struct

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Add a #define that users can use to store custom data on a pbuf

(cherry picked from commit 92a18bf638)
This commit is contained in:
Dirk Ziegelmeier 2018-11-25 14:01:23 +01:00 committed by Simon Goldschmidt
parent 9d97a467ca
commit fe4395336a
2 changed files with 11 additions and 0 deletions
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8
src/include/lwip/opt.h
View File

@ -1555,6 +1555,14 @@
#if !defined LWIP_PBUF_REF_T || defined __DOXYGEN__ #if !defined LWIP_PBUF_REF_T || defined __DOXYGEN__
#define LWIP_PBUF_REF_T u8_t #define LWIP_PBUF_REF_T u8_t
#endif #endif
/**
* LWIP_PBUF_CUSTOM_DATA: Store private data on pbufs (e.g. timestamps)
* This extends struct pbuf so user can store custom data on every pbuf.
*/
#if !defined LWIP_PBUF_CUSTOM_DATA || defined __DOXYGEN__
#define LWIP_PBUF_CUSTOM_DATA
#endif
/** /**
* @} * @}
*/ */

3
src/include/lwip/pbuf.h
View File

@ -219,6 +219,9 @@ struct pbuf {
/** For incoming packets, this contains the input netif's index */ /** For incoming packets, this contains the input netif's index */
u8_t if_idx; u8_t if_idx;
/** In case the user needs to store data custom data on a pbuf */
LWIP_PBUF_CUSTOM_DATA
}; };