vmxnet3: set correct hash type based on rss information

As vmxnet3 supports IP/TCP/UDP RSS, this patch sets appropriate
hash type based on the type of RSS performed.

Signed-off-by: Ronak Doshi <[email protected]>
Acked-by: Guolin Yang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Ronak Doshi

drivers/net/vmxnet3/vmxnet3_defs.h

@@ -344,13 +344,15 @@ struct Vmxnet3_RxCompDescExt {
 #define VMXNET3_TXD_EOP_SIZE 1
 
 /* value of RxCompDesc.rssType */
-enum {
-	VMXNET3_RCD_RSS_TYPE_NONE     = 0,
-	VMXNET3_RCD_RSS_TYPE_IPV4     = 1,
-	VMXNET3_RCD_RSS_TYPE_TCPIPV4  = 2,
-	VMXNET3_RCD_RSS_TYPE_IPV6     = 3,
-	VMXNET3_RCD_RSS_TYPE_TCPIPV6  = 4,
-};
+#define VMXNET3_RCD_RSS_TYPE_NONE     0
+#define VMXNET3_RCD_RSS_TYPE_IPV4     1
+#define VMXNET3_RCD_RSS_TYPE_TCPIPV4  2
+#define VMXNET3_RCD_RSS_TYPE_IPV6     3
+#define VMXNET3_RCD_RSS_TYPE_TCPIPV6  4
+#define VMXNET3_RCD_RSS_TYPE_UDPIPV4  5
+#define VMXNET3_RCD_RSS_TYPE_UDPIPV6  6
+#define VMXNET3_RCD_RSS_TYPE_ESPIPV4  7
+#define VMXNET3_RCD_RSS_TYPE_ESPIPV6  8
 
 
 /* a union for accessing all cmd/completion descriptors */

drivers/net/vmxnet3/vmxnet3_drv.c

@@ -1478,10 +1478,28 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq,
 
 #ifdef VMXNET3_RSS
 			if (rcd->rssType != VMXNET3_RCD_RSS_TYPE_NONE &&
-			    (adapter->netdev->features & NETIF_F_RXHASH))
+			    (adapter->netdev->features & NETIF_F_RXHASH)) {
+				enum pkt_hash_types hash_type;
+
+				switch (rcd->rssType) {
+				case VMXNET3_RCD_RSS_TYPE_IPV4:
+				case VMXNET3_RCD_RSS_TYPE_IPV6:
+					hash_type = PKT_HASH_TYPE_L3;
+					break;
+				case VMXNET3_RCD_RSS_TYPE_TCPIPV4:
+				case VMXNET3_RCD_RSS_TYPE_TCPIPV6:
+				case VMXNET3_RCD_RSS_TYPE_UDPIPV4:
+				case VMXNET3_RCD_RSS_TYPE_UDPIPV6:
+					hash_type = PKT_HASH_TYPE_L4;
+					break;
+				default:
+					hash_type = PKT_HASH_TYPE_L3;
+					break;
+				}
 				skb_set_hash(ctx->skb,
 					     le32_to_cpu(rcd->rssHash),
-					     PKT_HASH_TYPE_L3);
+					     hash_type);
+			}
 #endif
 			skb_put(ctx->skb, rcd->len);