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Code Issues Releases Wiki Activity

conn: harmonize GOOS checks between "linux" and "android"

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Otherwise GRO gets enabled on Android, but the conn doesn't use it,
resulting in bundled packets being discarded.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2023-10-18 21:14:13 +02:00
parent 177caa7e44
commit 24ea13351e
1 changed files with 5 additions and 5 deletions
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10
conn/bind_std.go
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@ -175,7 +175,7 @@ again:
var fns []ReceiveFunc var fns []ReceiveFunc
if v4conn != nil { if v4conn != nil {
s.ipv4TxOffload, s.ipv4RxOffload = supportsUDPOffload(v4conn) s.ipv4TxOffload, s.ipv4RxOffload = supportsUDPOffload(v4conn)
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" || runtime.GOOS == "android" {
v4pc = ipv4.NewPacketConn(v4conn) v4pc = ipv4.NewPacketConn(v4conn)
s.ipv4PC = v4pc s.ipv4PC = v4pc
} }
@ -184,7 +184,7 @@ again:
} }
if v6conn != nil { if v6conn != nil {
s.ipv6TxOffload, s.ipv6RxOffload = supportsUDPOffload(v6conn) s.ipv6TxOffload, s.ipv6RxOffload = supportsUDPOffload(v6conn)
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" || runtime.GOOS == "android" {
v6pc = ipv6.NewPacketConn(v6conn) v6pc = ipv6.NewPacketConn(v6conn)
s.ipv6PC = v6pc s.ipv6PC = v6pc
} }
@ -237,7 +237,7 @@ func (s *StdNetBind) receiveIP(
} }
defer s.putMessages(msgs) defer s.putMessages(msgs)
var numMsgs int var numMsgs int
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" || runtime.GOOS == "android" {
if rxOffload { if rxOffload {
readAt := len(*msgs) - (IdealBatchSize / udpSegmentMaxDatagrams) readAt := len(*msgs) - (IdealBatchSize / udpSegmentMaxDatagrams)
numMsgs, err = br.ReadBatch((*msgs)[readAt:], 0) numMsgs, err = br.ReadBatch((*msgs)[readAt:], 0)
@ -291,7 +291,7 @@ func (s *StdNetBind) makeReceiveIPv6(pc *ipv6.PacketConn, conn *net.UDPConn, rxO
// TODO: When all Binds handle IdealBatchSize, remove this dynamic function and // TODO: When all Binds handle IdealBatchSize, remove this dynamic function and
// rename the IdealBatchSize constant to BatchSize. // rename the IdealBatchSize constant to BatchSize.
func (s *StdNetBind) BatchSize() int { func (s *StdNetBind) BatchSize() int {
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" || runtime.GOOS == "android" {
return IdealBatchSize return IdealBatchSize
} }
return 1 return 1
@ -414,7 +414,7 @@ func (s *StdNetBind) send(conn *net.UDPConn, pc batchWriter, msgs []ipv6.Message
err error err error
start int start int
) )
if runtime.GOOS == "linux" { if runtime.GOOS == "linux" || runtime.GOOS == "android" {
for { for {
n, err = pc.WriteBatch(msgs[start:], 0) n, err = pc.WriteBatch(msgs[start:], 0)
if err != nil || n == len(msgs[start:]) { if err != nil || n == len(msgs[start:]) {