diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.patch b/target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.patch new file mode 100644 index 0000000000..f4a0b3e302 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0097-sdk_dpaa-set-the-skb-queue-mapping-when-looping.patch @@ -0,0 +1,26 @@ +From ae59df58bacb7d3daf2cf736f286a368ee703778 Mon Sep 17 00:00:00 2001 +From: Camelia Groza <camelia.groza@nxp.com> +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 <camelia.groza@nxp.com> +--- + 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 */ |