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authorJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
committerJason Gunthorpe <jgg@nvidia.com>2024-11-12 13:47:28 -0400
commit4e6bd13aa33c78346973f01c7303b4909d79ec86 (patch)
tree6205937f65a4d859dcecaf48da8801a1e4103ce7 /net/ipv4/tcp_offload.c
parentb047c0644f4e0aafd202e9519a22e17651fbee70 (diff)
parentf6681abd413919472d8a142420b639a3a8d84673 (diff)
Merge branch 'iommufd/arm-smmuv3-nested' of iommu/linux into iommufd for-next
Common SMMUv3 patches for the following patches adding nesting, shared branch with the iommu tree. * 'iommufd/arm-smmuv3-nested' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/iommu/linux: iommu/arm-smmu-v3: Expose the arm_smmu_attach interface iommu/arm-smmu-v3: Implement IOMMU_HWPT_ALLOC_NEST_PARENT iommu/arm-smmu-v3: Support IOMMU_GET_HW_INFO via struct arm_smmu_hw_info iommu/arm-smmu-v3: Report IOMMU_CAP_ENFORCE_CACHE_COHERENCY for CANWBS ACPI/IORT: Support CANWBS memory access flag ACPICA: IORT: Update for revision E.f vfio: Remove VFIO_TYPE1_NESTING_IOMMU ... Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'net/ipv4/tcp_offload.c')
-rw-r--r--net/ipv4/tcp_offload.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/tcp_offload.c b/net/ipv4/tcp_offload.c
index e4ad3311e148..2308665b51c5 100644
--- a/net/ipv4/tcp_offload.c
+++ b/net/ipv4/tcp_offload.c
@@ -101,8 +101,14 @@ static struct sk_buff *tcp4_gso_segment(struct sk_buff *skb,
if (!pskb_may_pull(skb, sizeof(struct tcphdr)))
return ERR_PTR(-EINVAL);
- if (skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST)
- return __tcp4_gso_segment_list(skb, features);
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST) {
+ struct tcphdr *th = tcp_hdr(skb);
+
+ if (skb_pagelen(skb) - th->doff * 4 == skb_shinfo(skb)->gso_size)
+ return __tcp4_gso_segment_list(skb, features);
+
+ skb->ip_summed = CHECKSUM_NONE;
+ }
if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
const struct iphdr *iph = ip_hdr(skb);