From: Eric Dumazet <edumazet@xxxxxxxxxx> Documentation for IP_BIND_ADDRESS_NO_PORT socket option added in linux-4.2 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=90c337da1524863838658078ec34241f45d8394d Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx> --- man7/ip.7 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/man7/ip.7 b/man7/ip.7 index 1c51a50..f8d4e63 100644 --- a/man7/ip.7 +++ b/man7/ip.7 @@ -338,6 +338,11 @@ application wants to receive data from. This option can be used multiple times to allow receiving data from more than one source. .TP +.BR IP_BIND_ADDRESS_NO_PORT " (since Linux 4.2) +Instruct kernel to not reserve an ephemeral port at bind() time. +The port will be automatically chosen at connect() time, in a way +that allows sharing a source port as long as the 4-tuples are unique. +.TP .BR IP_BLOCK_SOURCE " (since Linux 2.4.22 / 2.5.68)" Stop receiving multicast data from a specific source in a given group. This is valid only after the application has subscribed -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
