Author: np
Date: Mon Oct 5 07:26:06 2020
New Revision: 366441
URL: https://svnweb.freebsd.org/changeset/base/366441
Log:
MFC r365868:
Add two new ifnet capabilities for hw checksumming and TSO for VXLAN traffic.
These are similar to the existing VLAN capabilities.
Reviewed by: kib@
Sponsored by: Chelsio Communications
Modified:
stable/12/sbin/ifconfig/ifconfig.8
stable/12/sbin/ifconfig/ifconfig.c
stable/12/sbin/ifconfig/ifvxlan.c
stable/12/sys/net/if.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sbin/ifconfig/ifconfig.8
==============================================================================
--- stable/12/sbin/ifconfig/ifconfig.8 Mon Oct 5 06:53:29 2020
(r366440)
+++ stable/12/sbin/ifconfig/ifconfig.8 Mon Oct 5 07:26:06 2020
(r366441)
@@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
-.Dd June 4, 2020
+.Dd September 17, 2020
.Dt IFCONFIG 8
.Os
.Sh NAME
@@ -559,7 +559,7 @@ If the driver offers user-configurable VLAN support, e
reception of extended frames, tag processing in hardware,
frame filtering in hardware, checksum offloading, or TSO on VLAN,
respectively.
-Note that this must be issued on a physical interface associated with
+Note that this must be configured on a physical interface associated with
.Xr vlan 4 ,
not on a
.Xr vlan 4
@@ -569,6 +569,21 @@ If the driver offers user-configurable VLAN support, d
reception of extended frames, tag processing in hardware,
frame filtering in hardware, or TSO on VLAN,
respectively.
+.It Cm vxlanhwcsum , vxlanhwtso
+If the driver offers user-configurable VXLAN support, enable inner checksum
+offloading (receive and transmit) or TSO on VXLAN, respectively.
+Note that this must be configured on a physical interface associated with
+.Xr vxlan 4 ,
+not on a
+.Xr vxlan 4
+interface itself.
+The physical interface is either the interface specified as the vxlandev
+or the interface hosting the vxlanlocal address.
+The driver will offload as much checksum work and TSO as it can reliably
+support, the exact level of offloading may vary between drivers.
+.It Fl vxlanhwcsum , vxlanhwtso
+If the driver offers user-configurable VXLAN support, disable checksum
+offloading (receive and transmit) or TSO on VXLAN, respectively.
.It Cm vnet Ar jail
Move the interface to the
.Xr jail 8 ,
Modified: stable/12/sbin/ifconfig/ifconfig.c
==============================================================================
--- stable/12/sbin/ifconfig/ifconfig.c Mon Oct 5 06:53:29 2020
(r366440)
+++ stable/12/sbin/ifconfig/ifconfig.c Mon Oct 5 07:26:06 2020
(r366441)
@@ -1344,7 +1344,8 @@ unsetifdescr(const char *val, int value, int s, const
"\020\1RXCSUM\2TXCSUM\3NETCONS\4VLAN_MTU\5VLAN_HWTAGGING\6JUMBO_MTU\7POLLING" \
"\10VLAN_HWCSUM\11TSO4\12TSO6\13LRO\14WOL_UCAST\15WOL_MCAST\16WOL_MAGIC" \
"\17TOE4\20TOE6\21VLAN_HWFILTER\23VLAN_HWTSO\24LINKSTATE\25NETMAP" \
-"\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP"
+"\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP" \
+"\36VXLAN_HWCSUM\37VXLAN_HWTSO"
/*
* Print the status of the interface. If an address family was
Modified: stable/12/sbin/ifconfig/ifvxlan.c
==============================================================================
--- stable/12/sbin/ifconfig/ifvxlan.c Mon Oct 5 06:53:29 2020
(r366440)
+++ stable/12/sbin/ifconfig/ifvxlan.c Mon Oct 5 07:26:06 2020
(r366441)
@@ -620,6 +620,11 @@ static struct cmd vxlan_cmds[] = {
DEF_CMD("vxlanflush", 0, setvxlan_flush),
DEF_CMD("vxlanflushall", 1, setvxlan_flush),
+
+ DEF_CMD("vxlanhwcsum", IFCAP_VXLAN_HWCSUM, setifcap),
+ DEF_CMD("-vxlanhwcsum", -IFCAP_VXLAN_HWCSUM, setifcap),
+ DEF_CMD("vxlanhwtso", IFCAP_VXLAN_HWTSO, setifcap),
+ DEF_CMD("-vxlanhwtso", -IFCAP_VXLAN_HWTSO, setifcap),
};
static struct afswtch af_vxlan = {
Modified: stable/12/sys/net/if.h
==============================================================================
--- stable/12/sys/net/if.h Mon Oct 5 06:53:29 2020 (r366440)
+++ stable/12/sys/net/if.h Mon Oct 5 07:26:06 2020 (r366441)
@@ -246,6 +246,8 @@ struct if_data {
#define IFCAP_HWSTATS 0x800000 /* manages counters internally
*/
#define IFCAP_TXRTLMT 0x1000000 /* hardware supports TX rate
limiting */
#define IFCAP_HWRXTSTMP 0x2000000 /* hardware rx timestamping */
+#define IFCAP_VXLAN_HWCSUM 0x20000000 /* can do IFCAN_HWCSUM on
VXLANs */
+#define IFCAP_VXLAN_HWTSO 0x40000000 /* can do IFCAP_TSO on
VXLANs */
#define IFCAP_HWCSUM_IPV6 (IFCAP_RXCSUM_IPV6 | IFCAP_TXCSUM_IPV6)
_______________________________________________
svn-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
