[dpdk-dev] [PATCH v3 1/4] ethdev: add a field for rxq info structure

[Chengchang Tang]

Add a field named rx_buf_size in rte_eth_rxq_info to indicate the buffer
size used in receiving packets for HW.

In this way, upper-layer users can get this information by calling
rte_eth_rx_queue_info_get.

Signed-off-by: Chengchang Tang <tangchengchang at huawei.com>
Reviewed-by: Wei Hu (Xavier) <xavier.huwei at huawei.com>
Acked-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 lib/librte_ethdev/rte_ethdev.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 70295d7..9fed5cb 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -1420,6 +1420,8 @@ struct rte_eth_rxq_info {
 	struct rte_eth_rxconf conf; /**< queue config parameters. */
 	uint8_t scattered_rx;       /**< scattered packets RX supported. */
 	uint16_t nb_desc;           /**< configured number of RXDs. */
+	/**< buffer size used for hardware when receive packets. */
+	uint16_t rx_buf_size;
 } __rte_cache_min_aligned;

 /**
--
2.7.4