[PATCH v6 25/25] net/i40e: advertise flow keep capability

[Anatoly Burakov]

The i40e driver's rte_flow implementation has always endeavored to keep
flows across device restart, however it never advertised this capability.
Advertise it explicitly.

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Acked-by: Vladimir Medvedkin <vladimir.medvedkin at intel.com>
---
 doc/guides/rel_notes/release_26_11.rst | 5 +++++
 drivers/net/intel/i40e/i40e_ethdev.c   | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/doc/guides/rel_notes/release_26_11.rst b/doc/guides/rel_notes/release_26_11.rst
index f4d88938bc3..e9e9fdec9cd 100644
--- a/doc/guides/rel_notes/release_26_11.rst
+++ b/doc/guides/rel_notes/release_26_11.rst
@@ -109,6 +109,11 @@ New Features
   * Advertised ``RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP`` capability,
     as flow rules were already kept across device restart.
 
+* **Updated Intel i40e driver.**
+
+  * Advertised ``RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP`` capability,
+    as flow rules were already kept across device restart.
+
 * **Updated NXP DPAA2 ethernet driver.**
 
   * Added the inner IP header to the RSS hash so tunneled traffic is
diff --git a/drivers/net/intel/i40e/i40e_ethdev.c b/drivers/net/intel/i40e/i40e_ethdev.c
index 1eb4db5556d..4e34290aa55 100644
--- a/drivers/net/intel/i40e/i40e_ethdev.c
+++ b/drivers/net/intel/i40e/i40e_ethdev.c
@@ -3631,7 +3631,8 @@ i40e_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	dev_info->dev_capa =
 		RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
 		RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
-	dev_info->dev_capa &= ~RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP;
+	/* rte_flow rules are kept across dev_stop/dev_start and replayed on start */
+	dev_info->dev_capa |= RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP;
 
 	dev_info->hash_key_size = (I40E_PFQF_HKEY_MAX_INDEX + 1) *
 						sizeof(uint32_t);
-- 
2.52.0