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Merge branch 'backport/router_forwarding_flag_set_v51' into 'release/v5.1'

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feat(lwip): support NA router farwording flag set(Backport V5.1)

See merge request espressif/esp-idf!27630
This commit is contained in:
Shu Chen
2023-12-08 12:24:38 +08:00
parent ca02c6d274 5413b6b794
commit 54f2536222
3 changed files with 20 additions and 1 deletions
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9
components/lwip/Kconfig
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@ -113,6 +113,15 @@ menu "LWIP"
This option is used to disable the Network Discovery Protocol (NDP) if it is not required. This option is used to disable the Network Discovery Protocol (NDP) if it is not required.
Please use this option with caution, as the NDP is essential for IPv6 functionality within a local network. Please use this option with caution, as the NDP is essential for IPv6 functionality within a local network.
config LWIP_FORCE_ROUTER_FORWARDING
bool "LWIP Force Router Forwarding Enable/Disable"
default n
depends on LWIP_ND6
help
This option is used to set the the router flag for the NA packets.
When enabled, the router flag in NA packet will always set to 1,
otherwise, never set router flag for NA packets.
config LWIP_MAX_SOCKETS config LWIP_MAX_SOCKETS
int "Max number of open sockets" int "Max number of open sockets"
range 1 16 range 1 16

2
components/lwip/lwip

Submodule components/lwip/lwip updated: 4a8286ab8b...542ba2997f

10
components/lwip/port/include/lwipopts.h
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@ -1156,6 +1156,16 @@ static inline uint32_t timeout_from_offered(uint32_t lease, uint32_t min)
#define LWIP_ND6 0 #define LWIP_ND6 0
#endif #endif
/**
* LWIP_FORCE_ROUTER_FORWARDING==1: the router flag in NA packet will always set to 1,
* otherwise, never set router flag for NA packets.
*/
#ifdef CONFIG_LWIP_FORCE_ROUTER_FORWARDING
#define LWIP_FORCE_ROUTER_FORWARDING 1
#else
#define LWIP_FORCE_ROUTER_FORWARDING 0
#endif
/** /**
* LWIP_IPV6_NUM_ADDRESSES: Number of IPv6 addresses per netif. * LWIP_IPV6_NUM_ADDRESSES: Number of IPv6 addresses per netif.
*/ */