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1f44b0a1b5
have already done this, so I have styled the patch on their work: 1) introduce a ip_newid() static inline function that checks the sysctl and then decides if it should return a sequential or random IP ID. 2) named the sysctl net.inet.ip.random_id 3) IPv6 flow IDs and fragment IDs are now always random. Flow IDs and frag IDs are significantly less common in the IPv6 world (ie. rarely generated per-packet), so there should be smaller performance concerns. The sysctl defaults to 0 (sequential IP IDs). Reviewed by: andre, silby, mlaier, ume Based on: NetBSD MFC after: 2 months |
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