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Subject[PATCH net-next 5/7] vmxnet3: set correct hash type based on rss information
Date
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 <doshir@vmware.com>
---
drivers/net/vmxnet3/vmxnet3_defs.h | 16 +++++++++-------
drivers/net/vmxnet3/vmxnet3_drv.c | 22 ++++++++++++++++++++--
2 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/drivers/net/vmxnet3/vmxnet3_defs.h b/drivers/net/vmxnet3/vmxnet3_defs.h
index a9c108166a52..bc82bbbcb1ab 100644
--- a/drivers/net/vmxnet3/vmxnet3_defs.h
+++ b/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 */
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 41e694d13c92..4fd6ce15a860 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/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);

--
2.11.0
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