diff options
| author | Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu> | 2024-12-28 13:46:36 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-12-28 11:59:42 -0600 |
| commit | 0eff9208261e7526108243fa7441bb07a9203eb1 (patch) | |
| tree | 0c66a47437e481867ce82000b109eafbd9ee2463 /net/tcp.c | |
| parent | 3a44b8ba942ba1eabdcae8c45ba699952004aeed (diff) | |
net/tcp: define a fallback value for rcv_wnd size
Some driver implements it's own network packet pool, so PKTBUFSRX is zero.
This results in zero-size TCP receive window, so data transfer doesn't
work. Avoid it by setting a reasonable fallback value.
Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'net/tcp.c')
| -rw-r--r-- | net/tcp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/tcp.c b/net/tcp.c index 2600f74b265..2635727f47d 100644 --- a/net/tcp.c +++ b/net/tcp.c @@ -36,7 +36,11 @@ #define TCP_SEND_RETRY 3 #define TCP_SEND_TIMEOUT 2000UL #define TCP_RX_INACTIVE_TIMEOUT 30000UL -#define TCP_RCV_WND_SIZE (PKTBUFSRX * TCP_MSS) +#if PKTBUFSRX != 0 + #define TCP_RCV_WND_SIZE (PKTBUFSRX * TCP_MSS) +#else + #define TCP_RCV_WND_SIZE (4 * TCP_MSS) +#endif #define TCP_PACKET_OK 0 #define TCP_PACKET_DROP 1 |