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fix router forwarding flag set

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This commit is contained in:
zwx
2023-11-15 10:53:32 +08:00
parent 4a8286ab8b
commit 542ba2997f
2 changed files with 12 additions and 0 deletions
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src/core/ipv6/nd6.c
+4
View File
@@ -546,7 +546,11 @@ nd6_input(struct pbuf *p, struct netif *inp)
} }
/* Send back a NA for us. Allocate the reply pbuf. */ /* Send back a NA for us. Allocate the reply pbuf. */
#if ESP_LWIP && LWIP_FORCE_ROUTER_FORWARDING
nd6_send_na(inp, &target_address, ND6_FLAG_ROUTER | ND6_FLAG_SOLICITED | ND6_FLAG_OVERRIDE);
#else
nd6_send_na(inp, &target_address, ND6_FLAG_SOLICITED | ND6_FLAG_OVERRIDE); nd6_send_na(inp, &target_address, ND6_FLAG_SOLICITED | ND6_FLAG_OVERRIDE);
#endif
} }
break; /* ICMP6_TYPE_NS */ break; /* ICMP6_TYPE_NS */
src/include/lwip/opt.h
+8
View File
@@ -2404,6 +2404,14 @@
#define LWIP_IPV6 0 #define LWIP_IPV6 0
#endif #endif
/**
* when LWIP_FORCE_ROUTER_FORWARDING is enbaled in lwip, the router flag in NA packet will always
* set to 1, otherwise, never set router flag for NA packets.
*/
#if !defined LWIP_FORCE_ROUTER_FORWARDING || defined __DOXYGEN__
#define LWIP_FORCE_ROUTER_FORWARDING 0
#endif
/** /**
* LWIP_ND6==1: Enable NDP * LWIP_ND6==1: Enable NDP
* when LWIP_IPV6 is enabled in lwIP, NDP timer is enabled by default with a timeout of 1 second. * when LWIP_IPV6 is enabled in lwIP, NDP timer is enabled by default with a timeout of 1 second.