diff options
| author | Xin Long <lucien.xin@gmail.com> | 2023-02-08 01:52:07 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-02-11 03:23:03 +0300 |
| commit | 67fc5d7ffbd4f9cf52adf166f5bc9a35fef37f24 (patch) | |
| tree | 9e881e3ed7c81476940bb886408b157809964cf2 /net/sched | |
| parent | c0c3ab63de603b40f89a9c0d7217209a8840d053 (diff) | |
| download | linux-67fc5d7ffbd4f9cf52adf166f5bc9a35fef37f24.tar.xz | |
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>
Diffstat (limited to 'net/sched')
| -rw-r--r-- | net/sched/act_ct.c | 27 |
1 files changed, 1 insertions, 26 deletions
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index b126f03c1bb6..0a1ecc972a8b 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -726,31 +726,6 @@ drop_ct: return false; } -/* Trim the skb to the length specified by the IP/IPv6 header, - * removing any trailing lower-layer padding. This prepares the skb - * for higher-layer processing that assumes skb->len excludes padding - * (such as nf_ip_checksum). The caller needs to pull the skb to the - * network header, and ensure ip_hdr/ipv6_hdr points to valid data. - */ -static int tcf_ct_skb_network_trim(struct sk_buff *skb, int family) -{ - unsigned int len; - - switch (family) { - case NFPROTO_IPV4: - len = skb_ip_totlen(skb); - break; - case NFPROTO_IPV6: - len = sizeof(struct ipv6hdr) - + ntohs(ipv6_hdr(skb)->payload_len); - break; - default: - len = skb->len; - } - - return pskb_trim_rcsum(skb, len); -} - static u8 tcf_ct_skb_nf_family(struct sk_buff *skb) { u8 family = NFPROTO_UNSPEC; @@ -1011,7 +986,7 @@ TC_INDIRECT_SCOPE int tcf_ct_act(struct sk_buff *skb, const struct tc_action *a, if (err) goto drop; - err = tcf_ct_skb_network_trim(skb, family); + err = nf_ct_skb_network_trim(skb, family); if (err) goto drop; |