Note that when ip_output() is called from ip_forward(), it will already
have its options inserted, so the opt argument to ip_output() must be NULL.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=121972
@ -126,6 +126,8 @@ extern struct protosw inetsw[];
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* header (with len, off, ttl, proto, tos, src, dst).
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* The mbuf chain containing the packet will be freed.
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* The mbuf opt, if present, will not be freed.
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* In the IP forwarding case, the packet will arrive with options already
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* inserted, so must have a NULL opt pointer.
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*/
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int
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ip_output(struct mbuf *m0, struct mbuf *opt, struct route *ro,
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