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psample: Add a fwd declaration for skbuff
[ Upstream commitbeb7f2de57
] Without this there is a warning if source files include psample.h before skbuff.h or doesn't include it at all. Fixes:6ae0a62861
("net: Introduce psample, a new genetlink channel for packet sampling") Signed-off-by: Roi Dayan <roid@nvidia.com> Link: https://lore.kernel.org/r/20210808065242.1522535-1-roid@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -18,6 +18,8 @@ struct psample_group *psample_group_get(struct net *net, u32 group_num);
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void psample_group_take(struct psample_group *group);
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void psample_group_put(struct psample_group *group);
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struct sk_buff;
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#if IS_ENABLED(CONFIG_PSAMPLE)
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void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
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