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Update annotations for zero-copy API.

This commit is contained in:
fengbojiang 2022-04-17 21:05:32 +08:00
parent 6d3b0f831a
commit 782d5777bd
1 changed files with 3 additions and 1 deletions
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4
lib/ff_api.h
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@ -269,7 +269,9 @@ int ff_zc_mbuf_get(struct ff_zc_mbuf *m, int len);
* APP can call this function multiple times, need pay attion to the offset of data.
* but the total len can't be larger than m->len.
* After this fuction return success,
* the struct 'ff_zc_mbuf *m' can be reused in `ff_zc_mbuf_get`.
*
* the struct 'ff_zc_mbuf *m' can be reused in `ff_zc_mbuf_get` and then Use normally.
* Nerver directly reused in `ff_zc_mbuf_write` before recall `ff_zc_mbuf_get`.
*
* APP nedd call 'ff_write' to send data actually after finish write data to mbuf,
* And use 'bsd_mbuf' of 'struct ff_zc_mbuf' as the 'buf' argument.