2020-11-20 09:43:55

by George Cherian

Subject: [PATCH] octeontx2-af: Add support for RSS hashing based on Transport protocol field

Add support to choose RSS flow key algorithm with IPv4 transport protocol
field included in hashing input data. This will be enabled by default.
There-by enabling 3/5 tuple hash

Signed-off-by: Sunil Kovvuri Goutham <[email protected]>
Signed-off-by: George Cherian <[email protected]>
---
drivers/net/ethernet/marvell/octeontx2/af/mbox.h | 1 +
drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 7 +++++++
drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c | 3 ++-
3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index f46de8419b77..97c8566b7da8 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -644,6 +644,7 @@ struct nix_rss_flowkey_cfg {
#define NIX_FLOW_KEY_TYPE_INNR_SCTP BIT(16)
#define NIX_FLOW_KEY_TYPE_INNR_ETH_DMAC BIT(17)
#define NIX_FLOW_KEY_TYPE_VLAN BIT(20)
+#define NIX_FLOW_KEY_TYPE_IPV4_PROTO BIT(21)
u32 flowkey_cfg; /* Flowkey types selected */
u8 group; /* RSS context or group */
};
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 8bac1dd3a1c2..ef016521b277 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -2429,6 +2429,13 @@ static int set_flowkey_fields(struct nix_rx_flowkey_alg *alg, u32 flow_cfg)
/* This should be set to 1, when SEL_CHAN is set */
field->bytesm1 = 1;
break;
+ case NIX_FLOW_KEY_TYPE_IPV4_PROTO:
+ field->lid = NPC_LID_LC;
+ field->hdr_offset = 9; /* offset */
+ field->bytesm1 = 0; /* 1 byte */
+ field->ltype_match = NPC_LT_LC_IP;
+ field->ltype_mask = 0xF;
+ break;
case NIX_FLOW_KEY_TYPE_IPV4:
case NIX_FLOW_KEY_TYPE_INNR_IPV4:
field->lid = NPC_LID_LC;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 9f3d6715748e..2ab927408656 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -355,7 +355,8 @@ int otx2_rss_init(struct otx2_nic *pfvf)
rss->flowkey_cfg = rss->enable ? rss->flowkey_cfg :
NIX_FLOW_KEY_TYPE_IPV4 | NIX_FLOW_KEY_TYPE_IPV6 |
NIX_FLOW_KEY_TYPE_TCP | NIX_FLOW_KEY_TYPE_UDP |
- NIX_FLOW_KEY_TYPE_SCTP | NIX_FLOW_KEY_TYPE_VLAN;
+ NIX_FLOW_KEY_TYPE_SCTP | NIX_FLOW_KEY_TYPE_VLAN |
+ NIX_FLOW_KEY_TYPE_IPV4_PROTO;

ret = otx2_set_flowkey_cfg(pfvf);
if (ret)
--
2.25.1

2020-11-22 00:13:37

by patchwork-bot+netdevbpf

Subject: Re: [PATCH] octeontx2-af: Add support for RSS hashing based on Transport protocol field

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Fri, 20 Nov 2020 15:09:06 +0530 you wrote:
> Add support to choose RSS flow key algorithm with IPv4 transport protocol
> field included in hashing input data. This will be enabled by default.
> There-by enabling 3/5 tuple hash
>
> Signed-off-by: Sunil Kovvuri Goutham <[email protected]>
> Signed-off-by: George Cherian <[email protected]>
>
> [...]

Here is the summary with links:
- octeontx2-af: Add support for RSS hashing based on Transport protocol field
https://git.kernel.org/netdev/net-next/c/f9e425e99b07

You are awesome, thank you!
--
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