pbuf_chain() function

Chain two pbufs (or pbuf chains) together. The caller MUST call pbuf_free(t) once it has stopped using it. Use pbuf_cat() instead if you no longer use t. The ->tot_len fields of all pbufs of the head chain are adjusted. The ->next field of the last pbuf of the head chain is adjusted. The ->ref field of the first pbuf of the tail chain is adjusted.

Syntax

from pbuf.h:293

void pbuf_chain(struct pbuf *head, struct pbuf *tail);

Implemented in pbuf.c:894

Arguments

head

tail

Notes

The pbufs MUST belong to the same packet. MAY NOT be called on a packet queue.

Examples

pbuf_chain() is referenced by 3 libraries and example projects.

References

Location	Referrer	Text
pbuf.c:895		pbuf_chain(struct pbuf h, struct pbuf t)
pbuf.h:293		void pbuf_chain(struct pbuf head, struct pbuf tail);
udp.c:770	udp_sendto_if_src()	pbuf_chain(q, p);

Call Tree

Functions calling pbuf_chain()

Functions called by pbuf_chain()

udp_sendto_if_src()

all items filtered out

pbuf_chain()

pbuf_ref()

pbuf_cat()

all items filtered out

Data read by pbuf_chain()

pbuf_chain()::h

pbuf_chain()::t

all items filtered out

pbuf_chain()