[Intel-wired-lan] [PATCH iwl-next v3 3/4] igb: Add support for persistent NAPI config

[Kurt Kanzenbach]

Use netif_napi_add_config() to assign persistent per-NAPI config.

This is useful for preserving NAPI settings when changing queue counts or
for user space programs using SO_INCOMING_NAPI_ID.

Reviewed-by: Joe Damato <jdamato at fastly.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov at intel.com>
Tested-by: Rinitha S <sx.rinitha at intel.com> (A Contingent worker at Intel)
Signed-off-by: Kurt Kanzenbach <kurt at linutronix.de>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 6870803a42455aa1d31f39beb027cf282064388f..054376d648da883f35d1dee5f879487b8adfd540 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1197,7 +1197,8 @@ static int igb_alloc_q_vector(struct igb_adapter *adapter,
 		return -ENOMEM;
 
 	/* initialize NAPI */
-	netif_napi_add(adapter->netdev, &q_vector->napi, igb_poll);
+	netif_napi_add_config(adapter->netdev, &q_vector->napi, igb_poll,
+			      v_idx);
 
 	/* tie q_vector and adapter together */
 	adapter->q_vector[v_idx] = q_vector;

-- 
2.39.5