You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
3.0 KiB
89 lines
3.0 KiB
4 years ago
|
From e31d980ab9849683588324b04f8596e901b3721e Mon Sep 17 00:00:00 2001
|
||
|
|
From: Alaa Hleihel <ahleihel@redhat.com>
|
||
|
|
Date: Sun, 10 May 2020 14:51:34 -0400
|
||
|
|
Subject: [PATCH 014/312] [netdrv] net/mlx5e: Rx, checksum handling refactoring
|
||
|
|
|
||
|
|
Message-id: <20200510145245.10054-12-ahleihel@redhat.com>
|
||
|
|
Patchwork-id: 306554
|
||
|
|
Patchwork-instance: patchwork
|
||
|
|
O-Subject: [RHEL8.3 BZ 1789378 v2 11/82] net/mlx5e: Rx, checksum handling refactoring
|
||
|
|
Bugzilla: 1789378
|
||
|
|
RH-Acked-by: Kamal Heib <kheib@redhat.com>
|
||
|
|
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
|
||
|
|
RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
|
||
|
|
RH-Acked-by: Jonathan Toppins <jtoppins@redhat.com>
|
||
|
|
|
||
|
|
Bugzilla: http://bugzilla.redhat.com/1789378
|
||
|
|
Upstream: v5.4-rc1
|
||
|
|
|
||
|
|
commit 8c7698d5caa7852bebae0cf7402b7d3a1f30423b
|
||
|
|
Author: Saeed Mahameed <saeedm@mellanox.com>
|
||
|
|
Date: Fri May 3 15:12:46 2019 -0700
|
||
|
|
|
||
|
|
net/mlx5e: Rx, checksum handling refactoring
|
||
|
|
|
||
|
|
Move vlan checksum fixup flow into mlx5e_skb_padding_csum(), which is
|
||
|
|
supposed to fixup SKB checksum if needed. And rename
|
||
|
|
mlx5e_skb_padding_csum() to mlx5e_skb_csum_fixup().
|
||
|
|
|
||
|
|
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
|
||
|
|
|
||
|
|
Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
|
||
|
|
Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
|
||
|
|
---
|
||
|
|
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 26 +++++++++++++------------
|
||
|
|
1 file changed, 14 insertions(+), 12 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
|
||
|
|
index 6518d1101de0..a22b3a3db253 100644
|
||
|
|
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
|
||
|
|
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
|
||
|
|
@@ -860,13 +860,24 @@ tail_padding_csum(struct sk_buff *skb, int offset,
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
-mlx5e_skb_padding_csum(struct sk_buff *skb, int network_depth, __be16 proto,
|
||
|
|
- struct mlx5e_rq_stats *stats)
|
||
|
|
+mlx5e_skb_csum_fixup(struct sk_buff *skb, int network_depth, __be16 proto,
|
||
|
|
+ struct mlx5e_rq_stats *stats)
|
||
|
|
{
|
||
|
|
struct ipv6hdr *ip6;
|
||
|
|
struct iphdr *ip4;
|
||
|
|
int pkt_len;
|
||
|
|
|
||
|
|
+ /* Fixup vlan headers, if any */
|
||
|
|
+ if (network_depth > ETH_HLEN)
|
||
|
|
+ /* CQE csum is calculated from the IP header and does
|
||
|
|
+ * not cover VLAN headers (if present). This will add
|
||
|
|
+ * the checksum manually.
|
||
|
|
+ */
|
||
|
|
+ skb->csum = csum_partial(skb->data + ETH_HLEN,
|
||
|
|
+ network_depth - ETH_HLEN,
|
||
|
|
+ skb->csum);
|
||
|
|
+
|
||
|
|
+ /* Fixup tail padding, if any */
|
||
|
|
switch (proto) {
|
||
|
|
case htons(ETH_P_IP):
|
||
|
|
ip4 = (struct iphdr *)(skb->data + network_depth);
|
||
|
|
@@ -932,16 +943,7 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
|
||
|
|
return; /* CQE csum covers all received bytes */
|
||
|
|
|
||
|
|
/* csum might need some fixups ...*/
|
||
|
|
- if (network_depth > ETH_HLEN)
|
||
|
|
- /* CQE csum is calculated from the IP header and does
|
||
|
|
- * not cover VLAN headers (if present). This will add
|
||
|
|
- * the checksum manually.
|
||
|
|
- */
|
||
|
|
- skb->csum = csum_partial(skb->data + ETH_HLEN,
|
||
|
|
- network_depth - ETH_HLEN,
|
||
|
|
- skb->csum);
|
||
|
|
-
|
||
|
|
- mlx5e_skb_padding_csum(skb, network_depth, proto, stats);
|
||
|
|
+ mlx5e_skb_csum_fixup(skb, network_depth, proto, stats);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
--
|
||
|
|
2.13.6
|
||
|
|
|