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eaafdaa3 |
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07-Mar-2023 |
Xin Long <lucien.xin@gmail.com> |
netfilter: use nf_ip6_check_hbh_len in nf_ct_skb_network_trim For IPv6 Jumbo packets, the ipv6_hdr(skb)->payload_len is always 0, and its real payload_len ( > 65535) is saved in hbh exthdr. With 0 length for the jumbo packets, all data and exthdr will be trimmed in nf_ct_skb_network_trim(). This patch is to call nf_ip6_check_hbh_len() to get real pkt_len of the IPv6 packet, similar to br_validate_ipv6(). Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Reviewed-by: Aaron Conole <aconole@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de>
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0785407e |
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07-Feb-2023 |
Xin Long <lucien.xin@gmail.com> |
net: extract nf_ct_handle_fragments to nf_conntrack_ovs Now handle_fragments() in OVS and TC have the similar code, and this patch removes the duplicate code by moving the function to nf_conntrack_ovs. Note that skb_clear_hash(skb) or skb->ignore_df = 1 should be done only when defrag returns 0, as it does in other places in kernel. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Aaron Conole <aconole@redhat.com> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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67fc5d7f |
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07-Feb-2023 |
Xin Long <lucien.xin@gmail.com> |
net: extract nf_ct_skb_network_trim function to nf_conntrack_ovs There are almost the same code in ovs_skb_network_trim() and tcf_ct_skb_network_trim(), this patch extracts them into a function nf_ct_skb_network_trim() and moves the function to nf_conntrack_ovs. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Aaron Conole <aconole@redhat.com> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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c0c3ab63 |
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07-Feb-2023 |
Xin Long <lucien.xin@gmail.com> |
net: create nf_conntrack_ovs for ovs and tc use Similar to nf_nat_ovs created by Commit ebddb1404900 ("net: move the nat function to nf_nat_ovs for ovs and tc"), this patch is to create nf_conntrack_ovs to get these functions shared by OVS and TC only. There are nf_ct_helper() and nf_ct_add_helper() from nf_conntrak_helper in this patch, and will be more in the following patches. Signed-off-by: Xin Long <lucien.xin@gmail.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Reviewed-by: Aaron Conole <aconole@redhat.com> Acked-by: Florian Westphal <fw@strlen.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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