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net: ipv6: Setting Router Solication Packet timeout

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Running IPv6 on STM32H743 using eth_stm32_hal I had to extend
the timeout between the attempts to send Router Solicitation packets
from 1 second to 2 seconds. Else it looked liked the packet never
got sent (checked using tcpdump).

Signed-off-by: Stefan Petersen <spe@ciellt.se>
This commit is contained in:
Stefan Petersen 2024-09-12 16:35:56 +02:00 committed by Carles Cufí
parent 1db9b009a7
commit f88784a7ff
2 changed files with 10 additions and 1 deletions
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9
subsys/net/ip/Kconfig.ipv6
View file

@ -156,6 +156,15 @@ config NET_IPV6_DAD
The value depends on your network needs. DAD should normally
be active.
config NET_IPV6_RS_TIMEOUT
int "Timeout of Router Solicitation messaging"
depends on NET_IPV6_ND
range 1 30
default 1
help
The timeout in seconds between attempts to send a Router
Solicitation message at startup.
config NET_IPV6_RA_RDNSS
bool "Support RA RDNSS option"
depends on NET_IPV6_ND

2
subsys/net/ip/net_if.c
View file

@ -1425,7 +1425,7 @@ static inline void net_if_ipv6_start_dad(struct net_if *iface,
#endif /* CONFIG_NET_IPV6_DAD */
#if defined(CONFIG_NET_IPV6_ND)
#define RS_TIMEOUT (1U * MSEC_PER_SEC)
#define RS_TIMEOUT (CONFIG_NET_IPV6_RS_TIMEOUT * MSEC_PER_SEC)
#define RS_COUNT 3
static void rs_timeout(struct k_work *work)