Page MenuHomeFreeBSD
Files F106130130

D23546.id67906.diff
No OneTemporary
Actions

D23546.id67906.diff
View Options

Index: share/man/man4/netmap.4
===================================================================
--- share/man/man4/netmap.4
+++ share/man/man4/netmap.4
@@ -27,7 +27,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd November 8, 2019
+.Dd February 6, 2020
.Dt NETMAP 4
.Os
.Sh NAME
@@ -694,7 +694,7 @@
are called with a write event (POLLOUT/wfdset) or a full ring.
.Pp
When registering a virtual interface that is dynamically created to a
-.Xr vale 4
+.Nm VALE
switch, we can specify the desired number of rings (1 by default,
and currently up to 16) on it using nr_tx_rings and nr_rx_rings fields.
.It Dv NIOCTXSYNC
@@ -861,8 +861,10 @@
.Va dev.netmap.admode
globally controls how netmap mode is implemented.
.Sh SYSCTL VARIABLES AND MODULE PARAMETERS
-Some aspect of the operation of
+Some aspects of the operation of
.Nm
+and
+.Nm VALE
are controlled through sysctl variables on
.Fx
.Em ( dev.netmap.* )
@@ -883,15 +885,14 @@
Ring size used for emulated netmap mode
.It Va dev.netmap.generic_mit: 100000
Controls interrupt moderation for emulated mode
-.It Va dev.netmap.mmap_unreg: 0
.It Va dev.netmap.fwd: 0
Forces NS_FORWARD mode
-.It Va dev.netmap.flags: 0
.It Va dev.netmap.txsync_retry: 2
+Number of txsync loops in the
+.Nm VALE
+flush function
.It Va dev.netmap.no_pendintr: 1
Forces recovery of transmit buffers on system calls
-.It Va dev.netmap.mitigate: 1
-Propagates interrupt mitigation to user processes
.It Va dev.netmap.no_timestamp: 0
Disables the update of the timestamp in the netmap ring
.It Va dev.netmap.verbose: 0
@@ -914,6 +915,18 @@
.It Va dev.netmap.if_curr_num: 0
.It Va dev.netmap.if_curr_size: 0
Actual values in use.
+.It Va dev.netmap.priv_buf_num: 4098
+.It Va dev.netmap.priv_buf_size: 2048
+.It Va dev.netmap.priv_ring_num: 4
+.It Va dev.netmap.priv_ring_size: 20480
+.It Va dev.netmap.priv_if_num: 2
+.It Va dev.netmap.priv_if_size: 1024
+Sizes and number of objects (netmap_if, netmap_ring, buffers)
+for private memory regions.
+A separate memory region is used for each
+.Nm VALE
+port and each pair of
+.Nm netmap pipes .
.It Va dev.netmap.bridge_batch: 1024
Batch size used when moving packets across a
.Nm VALE
Index: share/man/man4/vale.4
===================================================================
--- share/man/man4/vale.4
+++ share/man/man4/vale.4
@@ -28,7 +28,7 @@
.\" $FreeBSD$
.\" $Id: $
.\"
-.Dd January 9, 2019
+.Dd February 6, 2020
.Dt VALE 4
.Os
.Sh NAME
@@ -77,21 +77,13 @@
for details on the API.
.Ss LIMITS
.Nm
-currently supports up to 4 switches, 16 ports per switch, with
-1024 buffers per port.
-These hard limits will be
-changed to sysctl variables in future releases.
+currently supports up to 8 switches, with 254 ports per switch.
.Sh SYSCTL VARIABLES
+See
+.Xr netmap 4
+for a list of sysctl variables that affect
.Nm
-uses the following sysctl variables to control operation:
-.Bl -tag -width dev.netmap.verbose
-.It dev.netmap.bridge_batch
-The maximum number of packets processed internally
-in each iteration.
-Defaults to 1024, use lower values to trade latency
-with throughput.
-.It dev.netmap.verbose
-Set to non-zero values to enable in-kernel diagnostics.
+bridges.
.El
.Sh EXAMPLES
Create one switch, with a traffic generator connected to one
Index: sys/dev/netmap/netmap_kern.h
===================================================================
--- sys/dev/netmap/netmap_kern.h
+++ sys/dev/netmap/netmap_kern.h
@@ -1591,7 +1591,6 @@
#define NETMAP_BUF_BASE(_na) ((_na)->na_lut.lut[0].vaddr)
#define NETMAP_BUF_SIZE(_na) ((_na)->na_lut.objsize)
extern int netmap_no_pendintr;
-extern int netmap_mitigate;
extern int netmap_verbose;
#ifdef CONFIG_NETMAP_DEBUG
extern int netmap_debug; /* for debugging */
@@ -1613,7 +1612,6 @@
};
extern int netmap_txsync_retry;
-extern int netmap_flags;
extern int netmap_generic_hwcsum;
extern int netmap_generic_mit;
extern int netmap_generic_ringsize;

File Metadata

Mime Type
text/plain
Expires
Thu, Dec 26, 9:51 PM (10 h, 40 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
15608134
Default Alt Text
D23546.id67906.diff (3 KB)

Event Timeline