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compressdev: clarify buffer size limitation

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Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
This commit is contained in:
Fiona Trahe 2018-05-16 15:18:59 +01:00 committed by Pablo de Lara
parent 0b6a7d9904
commit cb26360ec1
1 changed files with 9 additions and 2 deletions
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11
lib/librte_compressdev/rte_comp.h
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@ -295,12 +295,19 @@ struct rte_comp_op {
struct rte_mbuf *m_src; struct rte_mbuf *m_src;
/**< source mbuf /**< source mbuf
* The total size of the input buffer(s) can be retrieved using * The total size of the input buffer(s) can be retrieved using
* rte_pktmbuf_data_len(m_src) * rte_pktmbuf_data_len(m_src). The max data size which can fit in a
* single mbuf is limited by the uint16_t rte_mbuf.data_len to 64k-1.
* If the input data is bigger than this it can be passed to the PMD in
* a chain of mbufs if the PMD's capabilities indicate it supports this.
*/ */
struct rte_mbuf *m_dst; struct rte_mbuf *m_dst;
/**< destination mbuf /**< destination mbuf
* The total size of the output buffer(s) can be retrieved using * The total size of the output buffer(s) can be retrieved using
* rte_pktmbuf_data_len(m_dst) * rte_pktmbuf_data_len(m_dst). The max data size which can fit in a
* single mbuf is limited by the uint16_t rte_mbuf.data_len to 64k-1.
* If the output data is expected to be bigger than this a chain of
* mbufs can be passed to the PMD if the PMD's capabilities indicate
* it supports this.
*/ */
struct { struct {