net/octeontx2: support VLAN based RSS hash

Adding support for VLAN based RSS hash. Two bytes of TCI field
will be considered for hashing.

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/common/octeontx2/otx2_mbox.h b/drivers/common/octeontx2/otx2_mbox.h
index 5d66cae..78de432 100644 (file)
--- a/drivers/common/octeontx2/otx2_mbox.h
+++ b/drivers/common/octeontx2/otx2_mbox.h
@@ -969,6 +969,8 @@ struct nix_rss_flowkey_cfg {
 #define FLOW_KEY_TYPE_INNR_SCTP     BIT(16)
 #define FLOW_KEY_TYPE_INNR_ETH_DMAC BIT(17)
 #define FLOW_KEY_TYPE_CH_LEN_90B       BIT(18)
+#define FLOW_KEY_TYPE_CUSTOM0          BIT(19)
+#define FLOW_KEY_TYPE_VLAN             BIT(20)
 #define FLOW_KEY_TYPE_L4_DST BIT(28)
 #define FLOW_KEY_TYPE_L4_SRC BIT(29)
 #define FLOW_KEY_TYPE_L3_DST BIT(30)

diff --git a/drivers/net/octeontx2/otx2_ethdev.h b/drivers/net/octeontx2/otx2_ethdev.h
index 8e6e70d..b20f399 100644 (file)
--- a/drivers/net/octeontx2/otx2_ethdev.h
+++ b/drivers/net/octeontx2/otx2_ethdev.h
@@ -119,7 +119,8 @@
 #define NIX_RSS_OFFLOAD                (ETH_RSS_PORT | ETH_RSS_IP | ETH_RSS_UDP |\
                                 ETH_RSS_TCP | ETH_RSS_SCTP | \
                                 ETH_RSS_TUNNEL | ETH_RSS_L2_PAYLOAD | \
-                                NIX_RSS_L3_L4_SRC_DST | ETH_RSS_LEVEL_MASK)
+                                NIX_RSS_L3_L4_SRC_DST | ETH_RSS_LEVEL_MASK | \
+                                ETH_RSS_C_VLAN)
 
 #define NIX_TX_OFFLOAD_CAPA ( \
        DEV_TX_OFFLOAD_MBUF_FAST_FREE   | \

diff --git a/drivers/net/octeontx2/otx2_rss.c b/drivers/net/octeontx2/otx2_rss.c
index 03f7bc7..3ba2366 100644 (file)
--- a/drivers/net/octeontx2/otx2_rss.c
+++ b/drivers/net/octeontx2/otx2_rss.c
@@ -238,6 +238,9 @@ otx2_rss_ethdev_to_nix(struct otx2_eth_dev *dev, uint64_t ethdev_rss,
                flowkey_cfg |= FLOW_KEY_TYPE_CH_LEN_90B;
        }
 
+       if (ethdev_rss & ETH_RSS_C_VLAN)
+               flowkey_cfg |= FLOW_KEY_TYPE_VLAN;
+
        if (ethdev_rss & ETH_RSS_L3_SRC_ONLY)
                flowkey_cfg |= FLOW_KEY_TYPE_L3_SRC;