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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-28 14:55:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-28 14:55:30 +0100 |
| commit | 8a29f74b7498de8b23bbbbc665b9c14ad07175d4 (patch) | |
| tree | 39245b2f585068bf220da7b2291ec24cfdb11f8e /include/linux/if_vlan.h | |
| parent | c21c0f9a20a963f5a1874657a4e3d657503f7815 (diff) | |
| parent | 7877cb91f1081754a1487c144d85dc0d2e2e7fc4 (diff) | |
Merge v6.4-rc4 into char-misc-next
We need the binder fixes in here for future changes and testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/if_vlan.h')
| -rw-r--r-- | include/linux/if_vlan.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 0f40f379d75c..6ba71957851e 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -637,6 +637,23 @@ static inline __be16 vlan_get_protocol(const struct sk_buff *skb) return __vlan_get_protocol(skb, skb->protocol, NULL); } +/* This version of __vlan_get_protocol() also pulls mac header in skb->head */ +static inline __be16 vlan_get_protocol_and_depth(struct sk_buff *skb, + __be16 type, int *depth) +{ + int maclen; + + type = __vlan_get_protocol(skb, type, &maclen); + + if (type) { + if (!pskb_may_pull(skb, maclen)) + type = 0; + else if (depth) + *depth = maclen; + } + return type; +} + /* A getter for the SKB protocol field which will handle VLAN tags consistently * whether VLAN acceleration is enabled or not. */ |