Rename the field name from start_rx_per_q to rx_enable_queue in
struct rte_eth_rxconf, and do same thing for TX.
This patch also update description for field rx_enable_queue and
tx_enable_queue.
Signed-off-by: Ouyang Changchun <changchun.ouyang at intel.com>
---
lib/librte_ether/rte_ethdev.h | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 50df654..a452810 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -604,7 +604,16 @@ struct rte_eth_rxconf {
struct rte_eth_thresh rx_thresh; /**< RX ring threshold registers. */
uint16_t rx_free_thresh; /**< Drives the freeing of RX descriptors. */
uint8_t rx_drop_en; /**< Drop packets if no descriptors are available.
*/
- uint8_t start_rx_per_q; /**< start rx per queue. */
+ /**< If rx_enable_queue is true, rte_eth_dev_rx_queue_start must be
+ invocated after rte_eth_dev_start's invocation to start RX for
+ one queue, and rte_eth_dev_rx_queue_start instead of
+ rte_eth_dev_start is responsible for allocating mbuf from
+ mempool and setup the DMA physical address. It is useful in
+ such scenario: buffer address is not available at the point of
+ rte_eth_dev_start's invocation but available later, e.g. in
+ VHOST zero copy case, the buffer address to be setup DMA
+ address is available only after one VM startup. */
+ uint8_t rx_enable_queue;
};
#define ETH_TXQ_FLAGS_NOMULTSEGS 0x0001 /**< nb_segs=1 for all mbufs */
@@ -625,7 +634,10 @@ struct rte_eth_txconf {
uint16_t tx_rs_thresh; /**< Drives the setting of RS bit on TXDs. */
uint16_t tx_free_thresh; /**< Drives the freeing of TX buffers. */
uint32_t txq_flags; /**< Set flags for the Tx queue */
- uint8_t start_tx_per_q; /**< start tx per queue. */
+ /**< If tx_enable_queue is true, rte_eth_dev_tx_queue_start must be
+ invocated after rte_eth_dev_start's invocation to start TX for
+ one queue. Refer to start_rx_per_q for the use case. */
+ uint8_t tx_enable_queue;
};
/**
--
1.8.4.2
