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authorgVisor bot <gvisor-bot@google.com>2019-06-04 06:19:01 +0000
committergVisor bot <gvisor-bot@google.com>2019-06-04 06:19:01 +0000
commit4f56f1bf2248bb17da8b269b4191218d85ce6587 (patch)
tree00e4c90f29024c89477bc7cee708f8020ff4a49a /pkg/tcpip/transport/tcp
parentfcaa9421355cf770cf47c792388e25700b802e05 (diff)
parentf520d0d585e159da902b2880c5e115abeaacf9cb (diff)
Merge f520d0d5 (automated)
Diffstat (limited to 'pkg/tcpip/transport/tcp')
-rw-r--r--pkg/tcpip/transport/tcp/accept.go5
1 files changed, 0 insertions, 5 deletions
diff --git a/pkg/tcpip/transport/tcp/accept.go b/pkg/tcpip/transport/tcp/accept.go
index d4b860975..31e365ae5 100644
--- a/pkg/tcpip/transport/tcp/accept.go
+++ b/pkg/tcpip/transport/tcp/accept.go
@@ -19,7 +19,6 @@ import (
"encoding/binary"
"hash"
"io"
- "log"
"sync"
"time"
@@ -307,7 +306,6 @@ func (e *endpoint) handleSynSegment(ctx *listenContext, s *segment, opts *header
func (e *endpoint) incSynRcvdCount() bool {
e.mu.Lock()
- log.Printf("l: %d, c: %d, e.synRcvdCount: %d", len(e.acceptedChan), cap(e.acceptedChan), e.synRcvdCount)
if l, c := len(e.acceptedChan), cap(e.acceptedChan); l == c && e.synRcvdCount >= c {
e.mu.Unlock()
return false
@@ -333,17 +331,14 @@ func (e *endpoint) handleListenSegment(ctx *listenContext, s *segment) {
// Drop the SYN if the listen endpoint's accept queue is
// overflowing.
if e.incSynRcvdCount() {
- log.Printf("processing syn packet")
s.incRef()
go e.handleSynSegment(ctx, s, &opts) // S/R-SAFE: synRcvdCount is the barrier.
return
}
- log.Printf("dropping syn packet")
e.stack.Stats().TCP.ListenOverflowSynDrop.Increment()
e.stack.Stats().DroppedPackets.Increment()
return
} else {
- // TODO(bhaskerh): Increment syncookie sent stat.
cookie := ctx.createCookie(s.id, s.sequenceNumber, encodeMSS(opts.MSS))
// Send SYN with window scaling because we currently
// dont't encode this information in the cookie.