[dpdk-dev] [PATCH 30/30] net/sfc: support Rx packet types get in secondary process

[Andrew Rybchenko]

Secondary process needs to know packet classes supported
by the NIC on Rx.

Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 doc/guides/rel_notes/release_19_05.rst |  1 +
 drivers/net/sfc/sfc.c                  | 16 ++++++++++++++++
 drivers/net/sfc/sfc.h                  |  1 +
 drivers/net/sfc/sfc_ethdev.c           |  6 ++----
 4 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/doc/guides/rel_notes/release_19_05.rst b/doc/guides/rel_notes/release_19_05.rst
index 1b7f14cb2..2b0f60d3d 100644
--- a/doc/guides/rel_notes/release_19_05.rst
+++ b/doc/guides/rel_notes/release_19_05.rst
@@ -63,6 +63,7 @@ New Features
   * Added support for Tx descriptor status API in a secondary process.
   * Added support for RSS RETA and hash configuration get API in a secondary
     process.
+  * Added support for Rx packet types list in a secondary process.
 
 
 Removed Items
diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index 8526a84b5..83001cb68 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -342,6 +342,15 @@ sfc_try_start(struct sfc_adapter *sa)
 		goto fail_nic_init;
 
 	encp = efx_nic_cfg_get(sa->nic);
+
+	/*
+	 * Refresh (since it may change on NIC reset/restart) a copy of
+	 * supported tunnel encapsulations in shared memory to be used
+	 * on supported Rx packet type classes get.
+	 */
+	sa->priv.shared->tunnel_encaps =
+		encp->enc_tunnel_encapsulations_supported;
+
 	if (encp->enc_tunnel_encapsulations_supported != 0) {
 		sfc_log_init(sa, "apply tunnel config");
 		rc = efx_tunnel_reconfigure(sa->nic);
@@ -728,6 +737,13 @@ sfc_attach(struct sfc_adapter *sa)
 
 	encp = efx_nic_cfg_get(sa->nic);
 
+	/*
+	 * Make a copy of supported tunnel encapsulations in shared
+	 * memory to be used on supported Rx packet type classes get.
+	 */
+	sa->priv.shared->tunnel_encaps =
+		encp->enc_tunnel_encapsulations_supported;
+
 	if (sa->priv.dp_tx->features & SFC_DP_TX_FEAT_TSO) {
 		sa->tso = encp->enc_fw_assisted_tso_v2_enabled;
 		if (!sa->tso)
diff --git a/drivers/net/sfc/sfc.h b/drivers/net/sfc/sfc.h
index 39b4ba52c..725dd5ee6 100644
--- a/drivers/net/sfc/sfc.h
+++ b/drivers/net/sfc/sfc.h
@@ -184,6 +184,7 @@ struct sfc_adapter_shared {
 	struct sfc_rss			rss;
 
 	boolean_t			isolated;
+	uint32_t			tunnel_encaps;
 
 	struct rte_pci_addr		pci_addr;
 	uint16_t			port_id;
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index a54a9e66b..286550863 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -182,11 +182,8 @@ static const uint32_t *
 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 {
 	const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
-	struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
-	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
-	uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
 
-	return sap->dp_rx->supported_ptypes_get(tunnel_encaps);
+	return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps);
 }
 
 static int
@@ -1897,6 +1894,7 @@ sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
 }
 
 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
+	.dev_supported_ptypes_get	= sfc_dev_supported_ptypes_get,
 	.rx_queue_count			= sfc_rx_queue_count,
 	.rx_descriptor_done		= sfc_rx_descriptor_done,
 	.rx_descriptor_status		= sfc_rx_descriptor_status,
-- 
2.17.1