socket.7: srcfix: rewrap source lines

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2020-10-28 07:17:18 +01:00
parent e8500ecc78
commit 820e13fbd4
1 changed files with 10 additions and 6 deletions

View File

@ -521,14 +521,18 @@ This provides optimal NUMA behavior and keeps CPU caches hot.
.TP .TP
.BR SO_INCOMING_NAPI_ID " (gettable since Linux 4.12)" .BR SO_INCOMING_NAPI_ID " (gettable since Linux 4.12)"
.\" getsockopt 6d4339028b350efbf87c61e6d9e113e5373545c9 .\" getsockopt 6d4339028b350efbf87c61e6d9e113e5373545c9
Returns a system level unique ID called NAPI ID that is associated with a RX Returns a system level unique ID called NAPI ID that is associated
queue on which the last packet associated with that socket is received. with a RX queue on which the last packet associated with that
socket is received.
.IP .IP
This can be used by an application to split the incoming flows among worker This can be used by an application to split the incoming flows among worker
threads based on the RX queue on which the packets associated with the flows threads based on the RX queue on which the packets associated with the
are received. It allows each worker thread to be associated with a NIC HW flows are received.
receive queue and service all the connection requests received on that RX It allows each worker thread to be associated with
queue. This mapping between a app thread and a HW NIC queue streamlines the a NIC HW receive queue and service all the connection
requests received on that RX queue.
This mapping between a app thread and
a HW NIC queue streamlines the
flow of data from the NIC to the application. flow of data from the NIC to the application.
.TP .TP
.B SO_KEEPALIVE .B SO_KEEPALIVE