From ae59df58bacb7d3daf2cf736f286a368ee703778 Mon Sep 17 00:00:00 2001 From: Camelia Groza Date: Tue, 30 Oct 2018 18:18:57 +0200 Subject: [PATCH] sdk_dpaa: set the skb queue mapping when looping Save the current CPU ID on ingress, when FSL_DPAA_DBG_LOOP is set. Use the skb_set_queue_mapping() call instead of skb_record_rx_queue() because the stack isn't involved and won't compensate for the additional offset. Signed-off-by: Camelia Groza --- drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c +++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_sg.c @@ -575,6 +575,8 @@ static inline int dpa_skb_loop(const str return 0; /* loop disabled by default */ skb_push(skb, ETH_HLEN); /* compensate for eth_type_trans */ + /* Save the current CPU ID in order to maintain core affinity */ + skb_set_queue_mapping(skb, raw_smp_processor_id()); dpa_tx(skb, dpa_loop_netdevs[priv->loop_to]); return 1; /* Frame Tx on the selected interface */