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authorgVisor bot <gvisor-bot@google.com>2021-05-03 23:44:59 +0000
committergVisor bot <gvisor-bot@google.com>2021-05-03 23:44:59 +0000
commitffd373a53752a76dd11d0dfa85b62490ed0fd3b2 (patch)
treee097b2f441330ccc70ee3aba99da3fea7433e913 /pkg/tcpip/stack/registration.go
parente843fdda66e63c4e768f30e53b0ace8044804eae (diff)
parentf0b3298db07df63fa74559d5689008f9de9980a9 (diff)
Merge release-20210419.0-55-gf0b3298db (automated)
Diffstat (limited to 'pkg/tcpip/stack/registration.go')
-rw-r--r--pkg/tcpip/stack/registration.go24
1 files changed, 19 insertions, 5 deletions
diff --git a/pkg/tcpip/stack/registration.go b/pkg/tcpip/stack/registration.go
index 7ad206f6d..e26225552 100644
--- a/pkg/tcpip/stack/registration.go
+++ b/pkg/tcpip/stack/registration.go
@@ -756,11 +756,6 @@ const (
CapabilitySaveRestore
CapabilityDisconnectOk
CapabilityLoopback
- CapabilityHardwareGSO
-
- // CapabilitySoftwareGSO indicates the link endpoint supports of sending
- // multiple packets using a single call (LinkEndpoint.WritePackets).
- CapabilitySoftwareGSO
)
// NetworkLinkEndpoint is a data-link layer that supports sending network
@@ -1047,10 +1042,29 @@ type GSO struct {
MaxSize uint32
}
+// SupportedGSO returns the type of segmentation offloading supported.
+type SupportedGSO int
+
+const (
+ // GSONotSupported indicates that segmentation offloading is not supported.
+ GSONotSupported SupportedGSO = iota
+
+ // HWGSOSupported indicates that segmentation offloading may be performed by
+ // the hardware.
+ HWGSOSupported
+
+ // SWGSOSupported indicates that segmentation offloading may be performed in
+ // software.
+ SWGSOSupported
+)
+
// GSOEndpoint provides access to GSO properties.
type GSOEndpoint interface {
// GSOMaxSize returns the maximum GSO packet size.
GSOMaxSize() uint32
+
+ // SupportedGSO returns the supported segmentation offloading.
+ SupportedGSO() SupportedGSO
}
// SoftwareGSOMaxSize is a maximum allowed size of a software GSO segment.