git: dd1bd0ec5c91 - main - mlx5_en: correct recalculation of the ipv4 checksum for hw lro packet

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=dd1bd0ec5c91c21f1f60bb8bc58b2f5e794df43f

commit dd1bd0ec5c91c21f1f60bb8bc58b2f5e794df43f
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2025-02-11 15:43:21 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2025-03-13 15:59:50 +0000

    mlx5_en: correct recalculation of the ipv4 checksum for hw lro packet
    
    The call to in_cksum_skip() did not skipped the ethernet header.
    
    Reviewed by:    Ariel Ehrenberg <aehrenberg@nvidia.com>, Slava Shwartsman <slavash@nvidia.com>
    Sponsored by:   NVidia networking
    MFC after:      1 week
---
 sys/dev/mlx5/mlx5_en/mlx5_en_rx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
index f58c88e98053..a7d796c57eee 100644
--- a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
+++ b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
@@ -203,7 +203,8 @@ mlx5e_lro_update_hdr(struct mbuf *mb, struct mlx5_cqe64 *cqe)
 		ip4->ip_ttl = cqe->lro_min_ttl;
 		ip4->ip_len = cpu_to_be16(tot_len);
 		ip4->ip_sum = 0;
-		ip4->ip_sum = in_cksum(mb, ip4->ip_hl << 2);
+		ip4->ip_sum = in_cksum_skip(mb, (ip4->ip_hl << 2) +
+		    ETHER_HDR_LEN, ETHER_HDR_LEN);
 	} else {
 		ip6->ip6_hlim = cqe->lro_min_ttl;
 		ip6->ip6_plen = cpu_to_be16(tot_len -