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authorBin Lu <bin.lu@arm.com>2020-06-02 22:55:31 -0400
committerBin Lu <bin.lu@arm.com>2020-06-10 21:53:46 -0400
commitcbfb537eef7c531b596c3aecd947ee6920bea2d7 (patch)
tree3e05f9202ab3dd699dae51893d6934c68a999d23 /pkg/sentry/fs
parentc615faaee42ab6c30f21a19a90f865548156ae97 (diff)
Deleting the maxSendBufferSize from fs/host
When I do high-performance networking, the value of wmem_max is often set very high, specially for 10/25/50 Gigabit NIC. I think maybe this restriction is not suitable. Signed-off-by: Bin Lu <bin.lu@arm.com>
Diffstat (limited to 'pkg/sentry/fs')
-rw-r--r--pkg/sentry/fs/host/socket.go10
1 files changed, 0 insertions, 10 deletions
diff --git a/pkg/sentry/fs/host/socket.go b/pkg/sentry/fs/host/socket.go
index b6e94583e..cfb089e43 100644
--- a/pkg/sentry/fs/host/socket.go
+++ b/pkg/sentry/fs/host/socket.go
@@ -22,7 +22,6 @@ import (
"gvisor.dev/gvisor/pkg/context"
"gvisor.dev/gvisor/pkg/fd"
"gvisor.dev/gvisor/pkg/fdnotifier"
- "gvisor.dev/gvisor/pkg/log"
"gvisor.dev/gvisor/pkg/refs"
"gvisor.dev/gvisor/pkg/sentry/fs"
"gvisor.dev/gvisor/pkg/sentry/socket/control"
@@ -39,11 +38,6 @@ import (
// LINT.IfChange
-// maxSendBufferSize is the maximum host send buffer size allowed for endpoint.
-//
-// N.B. 8MB is the default maximum on Linux (2 * sysctl_wmem_max).
-const maxSendBufferSize = 8 << 20
-
// ConnectedEndpoint is a host FD backed implementation of
// transport.ConnectedEndpoint and transport.Receiver.
//
@@ -103,10 +97,6 @@ func (c *ConnectedEndpoint) init() *syserr.Error {
if err != nil {
return syserr.FromError(err)
}
- if sndbuf > maxSendBufferSize {
- log.Warningf("Socket send buffer too large: %d", sndbuf)
- return syserr.ErrInvalidEndpointState
- }
c.stype = linux.SockType(stype)
c.sndbuf = int64(sndbuf)