diff options
author | Jason McIntyre <jmc@cvs.openbsd.org> | 2020-06-05 05:33:59 +0000 |
---|---|---|
committer | Jason McIntyre <jmc@cvs.openbsd.org> | 2020-06-05 05:33:59 +0000 |
commit | 7cb12d59035f9b22505a73cd45653888e583e010 (patch) | |
tree | 6561a3004c9447ed1c334a880c06a3d459d6a576 /share/man/man9/ifiq_input.9 | |
parent | dec1469a92bb1bf8d0b6fd0322e2d83796ec7ab3 (diff) |
tweak previous;
Diffstat (limited to 'share/man/man9/ifiq_input.9')
-rw-r--r-- | share/man/man9/ifiq_input.9 | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/share/man/man9/ifiq_input.9 b/share/man/man9/ifiq_input.9 index a6241123bf3..fbace4413c2 100644 --- a/share/man/man9/ifiq_input.9 +++ b/share/man/man9/ifiq_input.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ifiq_input.9,v 1.2 2020/06/05 02:26:50 dlg Exp $ +.\" $OpenBSD: ifiq_input.9,v 1.3 2020/06/05 05:33:58 jmc Exp $ .\" .\" Copyright (c) 2020 David Gwynne <dlg@openbsd.org> .\" @@ -39,7 +39,7 @@ on the .Fa ifiq interface input queue and notify the network stack to process them. If the queue rejects the packets they will be freed -and counted as as drops. +and counted as drops. .It Fn ifiq_enqueue "struct ifiqueue *ifq" "struct mbuf *m" Enqueue the mbuf .Fa m @@ -48,7 +48,7 @@ on the interface input queue and notify the network stack to process it. .El .Sh CONTEXT -.Fn ifiq_input , +.Fn ifiq_input and .Fn ifiq_enqueue can be called during autoconf, from process context, or from interrupt context. @@ -57,7 +57,8 @@ can be called during autoconf, from process context, or from interrupt context. returns a non-zero value if mbufs are queued too rapidly for the stack to process. If possible, the caller should attempt to reduce the number of mbufs -being generated in the future, eg, if mbufs are being received from +being generated in the future. +For example, if mbufs are being received from hardware managed with the interface RX ring API, .Xr if_rxr_livelocked 9 can be called to indicate to the hardware that backpressure is required. |