add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/include/net/dst_cache.h
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@@ -80,6 +80,17 @@
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 }
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 /**
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+ *	dst_cache_reset_now - invalidate the cache contents immediately
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+ *	@dst_cache: the cache
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+ *
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+ *	The caller must be sure there are no concurrent users, as this frees
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+ *	all dst_cache users immediately, rather than waiting for the next
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+ *	per-cpu usage like dst_cache_reset does. Most callers should use the
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+ *	higher speed lazily-freed dst_cache_reset function instead.
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+ */
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+void dst_cache_reset_now(struct dst_cache *dst_cache);
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+
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+/**
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  *	dst_cache_init - initialize the cache, allocating the required storage
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  *	@dst_cache: the cache
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  *	@gfp: allocation flags