From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Raed Salem <raeds@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net 01/10] net/mlx5e: IPSEC RX, enable checksum complete
Date: Thu, 30 Sep 2021 16:14:52 -0700 [thread overview]
Message-ID: <20210930231501.39062-2-saeed@kernel.org> (raw)
In-Reply-To: <20210930231501.39062-1-saeed@kernel.org>
From: Raed Salem <raeds@nvidia.com>
Currently in Rx data path IPsec crypto offloaded packets uses
csum_none flag, so checksum is handled by the stack, this naturally
have some performance/cpu utilization impact on such flows. As Nvidia
NIC starting from ConnectX6DX provides checksum complete value out of
the box also for such flows there is no sense in taking csum_none path,
furthermore the stack (xfrm) have the method to handle checksum complete
corrections for such flows i.e. IPsec trailer removal and consequently
checksum value adjustment.
Because of the above and in addition the ConnectX6DX is the first HW
which supports IPsec crypto offload then it is safe to report csum
complete for IPsec offloaded traffic.
Fixes: b2ac7541e377 ("net/mlx5e: IPsec: Add Connect-X IPsec Rx data path offload")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 3c65fd0bcf31..29a6586ef28d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -1001,14 +1001,9 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
goto csum_unnecessary;
if (likely(is_last_ethertype_ip(skb, &network_depth, &proto))) {
- u8 ipproto = get_ip_proto(skb, network_depth, proto);
-
- if (unlikely(ipproto == IPPROTO_SCTP))
+ if (unlikely(get_ip_proto(skb, network_depth, proto) == IPPROTO_SCTP))
goto csum_unnecessary;
- if (unlikely(mlx5_ipsec_is_rx_flow(cqe)))
- goto csum_none;
-
stats->csum_complete++;
skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = csum_unfold((__force __sum16)cqe->check_sum);
--
2.31.1
next prev parent reply other threads:[~2021-09-30 23:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-30 23:14 [pull request][net 00/10] mlx5 fixes 2021-09-30 Saeed Mahameed
2021-09-30 23:14 ` Saeed Mahameed [this message]
2021-10-01 13:10 ` [net 01/10] net/mlx5e: IPSEC RX, enable checksum complete patchwork-bot+netdevbpf
2021-10-01 18:27 ` Saeed Mahameed
2021-10-02 11:21 ` David Miller
2021-09-30 23:14 ` [net 02/10] net/mlx5e: Keep the value for maximum number of channels in-sync Saeed Mahameed
2021-09-30 23:14 ` [net 03/10] net/mlx5e: Improve MQPRIO resiliency Saeed Mahameed
2021-09-30 23:14 ` [net 04/10] net/mlx5: E-Switch, Fix double allocation of acl flow counter Saeed Mahameed
2021-09-30 23:14 ` [net 05/10] net/mlx5: Force round second at 1PPS out start time Saeed Mahameed
2021-09-30 23:14 ` [net 06/10] net/mlx5: Avoid generating event after PPS out in Real time mode Saeed Mahameed
2021-09-30 23:14 ` [net 07/10] net/mlx5: Fix length of irq_index in chars Saeed Mahameed
2021-09-30 23:14 ` [net 08/10] net/mlx5: Fix setting number of EQs of SFs Saeed Mahameed
2021-09-30 23:15 ` [net 09/10] net/mlx5e: Fix the presented RQ index in PTP stats Saeed Mahameed
2021-09-30 23:15 ` [net 10/10] net/mlx5e: Mutually exclude setting of TX-port-TS and MQPRIO in channel mode Saeed Mahameed
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