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net: fix (*ipStackCapabilities).probe godoc
Change-Id: I2e5db6e7e9a7b3c84449d16b6bc32afe1d0ffee9 Reviewed-on: https://go-review.googlesource.com/c/go/+/308991 Trust: Tobias Klauser <tobias.klauser@gmail.com> Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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@ -13,7 +13,7 @@ import (
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"syscall"
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"syscall"
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)
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)
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// Probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
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// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
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// capabilities.
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// capabilities.
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//
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//
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// Plan 9 uses IPv6 natively, see ip(3).
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// Plan 9 uses IPv6 natively, see ip(3).
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@ -14,13 +14,13 @@ import (
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"syscall"
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"syscall"
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)
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)
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// Probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
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// probe probes IPv4, IPv6 and IPv4-mapped IPv6 communication
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// capabilities which are controlled by the IPV6_V6ONLY socket option
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// capabilities which are controlled by the IPV6_V6ONLY socket option
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// and kernel configuration.
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// and kernel configuration.
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//
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//
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// Should we try to use the IPv4 socket interface if we're only
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// Should we try to use the IPv4 socket interface if we're only
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// dealing with IPv4 sockets? As long as the host system understands
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// dealing with IPv4 sockets? As long as the host system understands
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// IPv4-mapped IPv6, it's okay to pass IPv4-mapeed IPv6 addresses to
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// IPv4-mapped IPv6, it's okay to pass IPv4-mapped IPv6 addresses to
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// the IPv6 interface. That simplifies our code and is most
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// the IPv6 interface. That simplifies our code and is most
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// general. Unfortunately, we need to run on kernels built without
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// general. Unfortunately, we need to run on kernels built without
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// IPv6 support too. So probe the kernel to figure it out.
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// IPv6 support too. So probe the kernel to figure it out.
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