From 77a63c7ab198c0ba75397dda26d67b411ae109fd Mon Sep 17 00:00:00 2001 From: yuxinzhou Date: Sun, 7 Dec 2025 14:36:23 -0800 Subject: [PATCH 1/2] in processing PACKET_TOO_BIG, send ND request if a new ND entry is created. --- common/src/nx_icmpv6_process_packet_too_big.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/common/src/nx_icmpv6_process_packet_too_big.c b/common/src/nx_icmpv6_process_packet_too_big.c index 53294b16..a7adb947 100644 --- a/common/src/nx_icmpv6_process_packet_too_big.c +++ b/common/src/nx_icmpv6_process_packet_too_big.c @@ -164,6 +164,20 @@ NX_INTERFACE *if_ptr; status = _nx_icmpv6_dest_table_add(ip_ptr, original_destination_ip, &dest_entry_ptr, &default_next_hop_address[0], mtu, 0, packet_ptr -> nx_packet_address.nx_packet_ipv6_address_ptr); + + /* If a new ND cache is created, force the entry to be "INCOMPLETE" so that the timer logic will + re-try, and then timeout if no responses are received. */ + if(dest_entry_ptr -> nx_ipv6_destination_entry_nd_entry != NX_NULL) + { + ND_CACHE_ENTRY *nd_entry = dest_entry_ptr -> nx_ipv6_destination_entry_nd_entry; + if(nd_entry -> nx_nd_cache_nd_status == ND_CACHE_STATE_CREATED) + { + _nx_icmpv6_send_ns(ip_ptr, &nd_entry -> nx_nd_cache_dest_ip[0], 1, + nd_entry -> nx_nd_cache_outgoing_address, 0, nd_entry); + nd_entry->nx_nd_cache_num_solicit = NX_MAX_MULTICAST_SOLICIT - 1; + nd_entry->nx_nd_cache_timer_tick = ip_ptr -> nx_ipv6_retrans_timer_ticks; + } + } } /* Release the packet. */ From c40d15e8de733b8a29c1f57fe831d5444d013283 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Desbiens?= Date: Mon, 12 Jan 2026 07:55:17 -0500 Subject: [PATCH 2/2] Updated version number constants --- common/inc/nx_api.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/common/inc/nx_api.h b/common/inc/nx_api.h index fcc973ec..4f59743c 100644 --- a/common/inc/nx_api.h +++ b/common/inc/nx_api.h @@ -529,9 +529,9 @@ VOID _nx_trace_event_update(TX_TRACE_BUFFER_ENTRY *event, ULONG timestamp, ULONG #define AZURE_RTOS_NETXDUO #define NETXDUO_MAJOR_VERSION 6 #define NETXDUO_MINOR_VERSION 4 -#define NETXDUO_PATCH_VERSION 4 -#define NETXDUO_BUILD_VERSION 202503 -#define NETXDUO_HOTFIX_VERSION 'a' +#define NETXDUO_PATCH_VERSION 5 +#define NETXDUO_BUILD_VERSION 202504 +#define NETXDUO_HOTFIX_VERSION ' ' /* Define the following symbols for backward compatibility */ #define EL_PRODUCT_NETXDUO