[dpdk-dev,13/23] net/sfc: support callback to check if mempool is supported
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Commit Message
The callback is a dummy yet since no Rx datapath provides its own
callback, so all pools are supported.
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
---
drivers/net/sfc/sfc_dp_rx.h | 13 +++++++++++++
drivers/net/sfc/sfc_ethdev.c | 16 ++++++++++++++++
2 files changed, 29 insertions(+)
@@ -90,6 +90,18 @@ struct sfc_dp_rx_qcreate_info {
typedef void (sfc_dp_rx_get_dev_info_t)(struct rte_eth_dev_info *dev_info);
/**
+ * Test if an Rx datapath supports specific mempool ops.
+ *
+ * @param pool The name of the pool operations to test.
+ *
+ * @return Check status.
+ * @retval 0 Best mempool ops choice.
+ * @retval 1 Mempool ops are supported.
+ * @retval -ENOTSUP Mempool ops not supported.
+ */
+typedef int (sfc_dp_rx_pool_ops_supported_t)(const char *pool);
+
+/**
* Get size of receive and event queue rings by the number of Rx
* descriptors and mempool configuration.
*
@@ -182,6 +194,7 @@ struct sfc_dp_rx {
#define SFC_DP_RX_FEAT_MULTI_PROCESS 0x2
#define SFC_DP_RX_FEAT_TUNNELS 0x4
sfc_dp_rx_get_dev_info_t *get_dev_info;
+ sfc_dp_rx_pool_ops_supported_t *pool_ops_supported;
sfc_dp_rx_qsize_up_rings_t *qsize_up_rings;
sfc_dp_rx_qcreate_t *qcreate;
sfc_dp_rx_qdestroy_t *qdestroy;
@@ -1630,6 +1630,21 @@ sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
return -rc;
}
+static int
+sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ /*
+ * If Rx datapath does not provide callback to check mempool,
+ * all pools are supported.
+ */
+ if (sa->dp_rx->pool_ops_supported == NULL)
+ return 1;
+
+ return sa->dp_rx->pool_ops_supported(pool);
+}
+
static const struct eth_dev_ops sfc_eth_dev_ops = {
.dev_configure = sfc_dev_configure,
.dev_start = sfc_dev_start,
@@ -1678,6 +1693,7 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
.fw_version_get = sfc_fw_version_get,
.xstats_get_by_id = sfc_xstats_get_by_id,
.xstats_get_names_by_id = sfc_xstats_get_names_by_id,
+ .pool_ops_supported = sfc_pool_ops_supported,
};
/**