Date: Fri, 18 Sep 2020 02:10:29 +0000 (UTC) From: Navdeep Parhar <np@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r365868 - in head: sbin/ifconfig sys/net Message-ID: <202009180210.08I2AT3p087561@repo.freebsd.org>
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Author: np Date: Fri Sep 18 02:10:28 2020 New Revision: 365868 URL: https://svnweb.freebsd.org/changeset/base/365868 Log: 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 Differential Revision: https://reviews.freebsd.org/D25873 Modified: head/sbin/ifconfig/ifconfig.8 head/sbin/ifconfig/ifconfig.c head/sbin/ifconfig/ifvxlan.c head/sys/net/if.h Modified: head/sbin/ifconfig/ifconfig.8 ============================================================================== --- head/sbin/ifconfig/ifconfig.8 Fri Sep 18 01:38:47 2020 (r365867) +++ head/sbin/ifconfig/ifconfig.8 Fri Sep 18 02:10:28 2020 (r365868) @@ -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 @@ -587,7 +587,7 @@ 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 @@ -597,6 +597,21 @@ 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: head/sbin/ifconfig/ifconfig.c ============================================================================== --- head/sbin/ifconfig/ifconfig.c Fri Sep 18 01:38:47 2020 (r365867) +++ head/sbin/ifconfig/ifconfig.c Fri Sep 18 02:10:28 2020 (r365868) @@ -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\33NOMAP\34TXTLS4\35TXTLS6" +"\26RXCSUM_IPV6\27TXCSUM_IPV6\31TXRTLMT\32HWRXTSTMP\33NOMAP\34TXTLS4\35TXTLS6" \ +"\36VXLAN_HWCSUM\37VXLAN_HWTSO" /* * Print the status of the interface. If an address family was Modified: head/sbin/ifconfig/ifvxlan.c ============================================================================== --- head/sbin/ifconfig/ifvxlan.c Fri Sep 18 01:38:47 2020 (r365867) +++ head/sbin/ifconfig/ifvxlan.c Fri Sep 18 02:10:28 2020 (r365868) @@ -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: head/sys/net/if.h ============================================================================== --- head/sys/net/if.h Fri Sep 18 01:38:47 2020 (r365867) +++ head/sys/net/if.h Fri Sep 18 02:10:28 2020 (r365868) @@ -248,6 +248,8 @@ struct if_data { #define IFCAP_NOMAP 0x4000000 /* can TX unmapped mbufs */ #define IFCAP_TXTLS4 0x8000000 /* can do TLS encryption and segmentation for TCP */ #define IFCAP_TXTLS6 0x10000000 /* can do TLS encryption and segmentation for TCP6 */ +#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)
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