diff options
| author | Ryan Heacock <rheacock@google.com> | 2019-12-24 08:48:14 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-12-24 08:49:39 -0800 |
| commit | e013c48c78c9a7daf245b7de9563e3a0bd8a1e97 (patch) | |
| tree | 4569d1851e72e61faebc63c82997555afdde04a9 /pkg/tcpip/tcpip.go | |
| parent | 574e988f2bc6060078a17f37a377441703c52a22 (diff) | |
Enable IP_RECVTOS socket option for datagram sockets
Added the ability to get/set the IP_RECVTOS socket option on UDP endpoints. If
enabled, TOS from the incoming Network Header passed as ancillary data in the
ControlMessages.
Test:
* Added unit test to udp_test.go that tests getting/setting as well as
verifying that we receive expected TOS from incoming packet.
* Added a syscall test
PiperOrigin-RevId: 287029703
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index f62fd729f..5c7b2af88 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -322,7 +322,7 @@ type ControlMessages struct { HasTOS bool // TOS is the IPv4 type of service of the associated packet. - TOS int8 + TOS uint8 // HasTClass indicates whether Tclass is valid/set. HasTClass bool @@ -666,6 +666,10 @@ type IPv4TOSOption uint8 // for all subsequent outgoing IPv6 packets from the endpoint. type IPv6TrafficClassOption uint8 +// ReceiveTOSOption is used by SetSockOpt/GetSockOpt to specify if the TOS +// ancillary message is passed with incoming packets. +type ReceiveTOSOption bool + // Route is a row in the routing table. It specifies through which NIC (and // gateway) sets of packets should be routed. A row is considered viable if the // masked target address matches the destination address in the row. |