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authorIoana Radulescu <ruxandra.radulescu@nxp.com>2018-07-27 09:12:59 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-27 17:18:19 +0200
commit227686b65256c550865bc7630684548fe079830b (patch)
tree441fc08c57b04b7965ca9618bd2e8b2673015897 /drivers/staging/fsl-dpaa2
parentff5c37987b112d09352b16a28943c149ca90afb2 (diff)
downloadblackbird-op-linux-227686b65256c550865bc7630684548fe079830b.tar.gz
blackbird-op-linux-227686b65256c550865bc7630684548fe079830b.zip
staging: fsl-dpaa2/eth: Update default hash key
In our documentation, we claim to use a 5-tuple key for Rx hash distribution of flows. The code however configures a key composed of all supported header fields. Update the Rx hash key to contain only the documented fields: {IP src, IP dst, IP nextproto, L4 src, L4 dst}, which was the original intention and makes most sense as a default. Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-dpaa2')
-rw-r--r--drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c6
-rw-r--r--drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h5
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
index da993ed80ecf..5dd73b148f66 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
@@ -2195,10 +2195,10 @@ static int bind_dpni(struct dpaa2_eth_priv *priv)
return err;
}
- /* have the interface implicitly distribute traffic based on supported
- * header fields
+ /* have the interface implicitly distribute traffic based on
+ * the default hash key
*/
- err = dpaa2_eth_set_hash(net_dev, DPAA2_RXH_SUPPORTED);
+ err = dpaa2_eth_set_hash(net_dev, DPAA2_RXH_DEFAULT);
if (err)
dev_err(dev, "Failed to configure hashing\n");
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index 905a4e6be8fa..55897386979e 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -377,11 +377,14 @@ struct dpaa2_eth_priv {
u64 rx_hash_fields;
};
-/* default Rx hash options, set during probing */
#define DPAA2_RXH_SUPPORTED (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO \
| RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 \
| RXH_L4_B_2_3)
+/* default Rx hash options, set during probing */
+#define DPAA2_RXH_DEFAULT (RXH_L3_PROTO | RXH_IP_SRC | RXH_IP_DST | \
+ RXH_L4_B_0_1 | RXH_L4_B_2_3)
+
#define dpaa2_eth_hash_enabled(priv) \
((priv)->dpni_attrs.num_queues > 1)
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