From edefef49af1fb6b0b6570fd46576e184a1c1b0aa Mon Sep 17 00:00:00 2001
From: Ronak Doshi <doshir@vmware.com>
Date: Fri, 16 Jul 2021 15:36:24 -0700
Subject: [PATCH 5/7] vmxnet3: set correct hash type based on rss information
Git-commit: b3973bb40041eb336188d16fcc249000ea3c4bf4
Patch-mainline: v5.15-rc1
References: bsc#1190406
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>
Acked-by: Guolin Yang <gyang@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Denis Kirjanov <denis.kirjanov@suse.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 d280b3728bb6..2579df9e4803 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -1481,10 +1481,28 @@ 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);
--
2.16.4