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Fix a few typo/compilation problems.
    net/:  Remove all CONFIG_NET_xxx_TCP_RECVWNDO configuration variables.  They were used only to initialize the d_recwndo of the network device structure which no longer exists.
    net/:  Remove the device TCP receive window field (d_recvwndo) from the device structure.  That value is no longer retained, but is calculated dynamically.
    Remove some dangling references to CONFIG_NET_TCP_RWND_CONTROL.
    net/tcp:  Take read-ahead throttling into account when calculating the TCP receive window size.
    net/tcp: tcp_get_recvwindow() now returns the receive window size directly (vs. indirectly via the device structure).
    net/tcp:  Remove CONFIG_NET_TCP_RWND_CONTROL.  TCP window algorithm is now trigged only by CONFIG_NET_TCP_READAHEAD.
This commit is contained in:
Gregory Nutt
2018-07-01 07:59:33 -06:00
parent 6ec8f9ce83
commit e59b26370d
43 changed files with 64 additions and 197 deletions
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net/sixlowpan/Kconfig
-10
View File
@@ -302,16 +302,6 @@ config NET_6LOWPAN_MTU
sizes. Without fragmentation support, the MTU is equal to the frame
size and that has already been selected.
config NET_6LOWPAN_TCP_RECVWNDO
int "6LoWPAN TCP receive window size"
default 1220
depends on NET_TCP
---help---
The size of the advertised receiver's window. Should be set low
(i.e., to the size of the IEEE802.15.4 MTU or frame payload) if
the application is slow to process incoming data, or high (32768
bytes) if the application processes data quickly.
config NET_6LOWPAN_DUMPBUFFER
bool "Enable dumping of buffer data"
default n
net/sixlowpan/sixlowpan_tcpsend.c
+3 -3
View File
@@ -269,12 +269,12 @@ static int sixlowpan_tcp_header(FAR struct tcp_conn_s *conn,
{
/* Update the TCP received window based on I/O buffer availability */
tcp_update_recvwindws(dev);
uint16 recvwndo = tcp_get_recvwindow(dev);
/* Set the TCP Window */
ipv6tcp->tcp.wnd[0] = ((NET_DEV_RCVWNDO(dev)) >> 8);
ipv6tcp->tcp.wnd[1] = ((NET_DEV_RCVWNDO(dev)) & 0xff);
ipv6tcp->tcp.wnd[0] = recvwndo >> 8;
ipv6tcp->tcp.wnd[1] = recvwndo & 0xff;
}
/* Calculate TCP checksum. */