Commit fc0fb1f1 authored by Kurt Kanzenbach's avatar Kurt Kanzenbach Committed by Tony Nguyen
Browse files

igb: Add support for persistent NAPI config 



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: default avatarJoe Damato <jdamato@fastly.com>
Reviewed-by: default avatarAleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: default avatarKurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent b75a1dea

drivers/net/ethernet/intel/igb/igb_main.c

+2 −1
Original line number Diff line number Diff line
@@ -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;