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Fixed LWIP_TCP_SACK_VALID and its usage

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goldsimon
2017-07-03 21:41:34 +02:00
parent 6796bcf7ad
commit 1a1c360f1d
2 changed files with 2 additions and 2 deletions
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2
src/core/tcp_in.c
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@@ -1587,7 +1587,7 @@ tcp_receive(struct tcp_pcb *pcb)
tcp_ack(pcb);
#if LWIP_TCP_SACK_OUT
if (!LWIP_TCP_SACK_VALID(pcb, 0)) {
if (LWIP_TCP_SACK_VALID(pcb, 0)) {
/* Normally the ACK for the data received could be piggy-backed on a data packet,
but lwIP currently does not support including SACKs in data packets. So we force
it to respond with an empty ACK packet (only if there is at least one SACK to be sent).