summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/inet/inet.go
diff options
context:
space:
mode:
authorKevin Krakauer <krakauer@google.com>2021-03-08 20:37:14 -0800
committergVisor bot <gvisor-bot@google.com>2021-03-08 20:40:34 -0800
commitabbdcebc543242862fad0984db2db0a842021917 (patch)
tree28e4dc26f8e7f862cc7e5a4112e1ca0b6d90c3dd /pkg/sentry/inet/inet.go
parent3c4485966c170850bb677efc88de4c0ecaac1358 (diff)
Implement /proc/sys/net/ipv4/ip_local_port_range
Speeds up the socket stress tests by a couple orders of magnitude. PiperOrigin-RevId: 361721050
Diffstat (limited to 'pkg/sentry/inet/inet.go')
-rw-r--r--pkg/sentry/inet/inet.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/pkg/sentry/inet/inet.go b/pkg/sentry/inet/inet.go
index f31277d30..6b71bd3a9 100644
--- a/pkg/sentry/inet/inet.go
+++ b/pkg/sentry/inet/inet.go
@@ -93,6 +93,14 @@ type Stack interface {
// SetForwarding enables or disables packet forwarding between NICs.
SetForwarding(protocol tcpip.NetworkProtocolNumber, enable bool) error
+
+ // PortRange returns the UDP and TCP inclusive range of ephemeral ports
+ // used in both IPv4 and IPv6.
+ PortRange() (uint16, uint16)
+
+ // SetPortRange sets the UDP and TCP IPv4 and IPv6 ephemeral port range
+ // (inclusive).
+ SetPortRange(start uint16, end uint16) error
}
// Interface contains information about a network interface.