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net: tcp: Allow ACK timeout to be configured

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The timeout value when waiting ACK in various TCP states can
be configured via Kconfig.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2017-05-18 11:27:30 +03:00
commit 48f9dccc32
2 changed files with 14 additions and 0 deletions
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10
subsys/net/ip/Kconfig
View file

@ -129,6 +129,16 @@ config NET_TCP_2MSL_TIME
help
The value is in seconds.
config NET_TCP_ACK_TIMEOUT
int "How long to wait for ACK (in milliseconds)"
depends on NET_TCP
default 1000
range 1 2147483647
help
This value affects the timeout when waiting ACK to arrive in
various TCP states. The value is in milliseconds. Note that
having a very low value here could prevent connectivity.
config NET_UDP
bool "Enable UDP"
default y

4
subsys/net/ip/net_context.c
View file

@ -36,7 +36,11 @@
#define NET_MAX_CONTEXT CONFIG_NET_MAX_CONTEXTS
#if defined(CONFIG_NET_TCP_ACK_TIMEOUT)
#define ACK_TIMEOUT CONFIG_NET_TCP_ACK_TIMEOUT
#else
#define ACK_TIMEOUT MSEC_PER_SEC
#endif
/* Declares a wrapper function for a net_conn callback that refs the
* context around the invocation (to protect it from premature