[TCP]: Update the /proc/net/tcp documentation
* Say that this interface is deprecated. * Update function name references to match the current code. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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This document describes the interfaces /proc/net/tcp and /proc/net/tcp6.
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Note that these interfaces are deprecated in favor of tcp_diag.
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These /proc interfaces provide information about currently active TCP
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connections, and are implemented by tcp_get_info() in net/ipv4/tcp_ipv4.c and
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tcp6_get_info() in net/ipv6/tcp_ipv6.c, respectively.
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connections, and are implemented by tcp4_seq_show() in net/ipv4/tcp_ipv4.c
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and tcp6_seq_show() in net/ipv6/tcp_ipv6.c, respectively.
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It will first list all listening TCP sockets, and next list all established
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TCP connections. A typical entry of /proc/net/tcp would look like this (split
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