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net/sfc: allow to take mbuf pool into account when sizing

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The new argument will be used by the equal stride super-buffer
Rx datapath.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
This commit is contained in:
Andrew Rybchenko 2018-04-19 12:36:54 +01:00 committed by Ferruh Yigit
parent d3ab4fd9bd
commit d101da1b9c
3 changed files with 7 additions and 3 deletions
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4
drivers/net/sfc/sfc_dp_rx.h
View File

@ -91,9 +91,10 @@ typedef void (sfc_dp_rx_get_dev_info_t)(struct rte_eth_dev_info *dev_info);
/**
* Get size of receive and event queue rings by the number of Rx
* descriptors.
* descriptors and mempool configuration.
*
* @param nb_rx_desc Number of Rx descriptors
* @param mb_pool mbuf pool with Rx buffers
* @param rxq_entries Location for number of Rx ring entries
* @param evq_entries Location for number of event ring entries
* @param rxq_max_fill_level Location for maximum Rx ring fill level
@ -101,6 +102,7 @@ typedef void (sfc_dp_rx_get_dev_info_t)(struct rte_eth_dev_info *dev_info);
* @return 0 or positive errno.
*/
typedef int (sfc_dp_rx_qsize_up_rings_t)(uint16_t nb_rx_desc,
struct rte_mempool *mb_pool,
unsigned int *rxq_entries,
unsigned int *evq_entries,
unsigned int *rxq_max_fill_level);

1
drivers/net/sfc/sfc_ef10_rx.c
View File

@ -480,6 +480,7 @@ sfc_ef10_rx_get_dev_info(struct rte_eth_dev_info *dev_info)
static sfc_dp_rx_qsize_up_rings_t sfc_ef10_rx_qsize_up_rings;
static int
sfc_ef10_rx_qsize_up_rings(uint16_t nb_rx_desc,
__rte_unused struct rte_mempool *mb_pool,
unsigned int *rxq_entries,
unsigned int *evq_entries,
unsigned int *rxq_max_fill_level)

5
drivers/net/sfc/sfc_rx.c
View File

@ -384,6 +384,7 @@ sfc_rxq_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq)
static sfc_dp_rx_qsize_up_rings_t sfc_efx_rx_qsize_up_rings;
static int
sfc_efx_rx_qsize_up_rings(uint16_t nb_rx_desc,
__rte_unused struct rte_mempool *mb_pool,
unsigned int *rxq_entries,
unsigned int *evq_entries,
unsigned int *rxq_max_fill_level)
@ -982,8 +983,8 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
struct sfc_rxq *rxq;
struct sfc_dp_rx_qcreate_info info;
rc = sa->dp_rx->qsize_up_rings(nb_rx_desc, &rxq_entries, &evq_entries,
&rxq_max_fill_level);
rc = sa->dp_rx->qsize_up_rings(nb_rx_desc, mb_pool, &rxq_entries,
&evq_entries, &rxq_max_fill_level);
if (rc != 0)
goto fail_size_up_rings;
SFC_ASSERT(rxq_entries >= EFX_RXQ_MINNDESCS);