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net:Compatible with cellular network cards of lladdr generation

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In the context of cellular networks, lladdr should use the interface identifiers from PDN.

Signed-off-by: wangjunfeng3 <wangjunfeng3@xiaomi.com>
This commit is contained in:
wangjunfeng3 2024-01-20 16:59:09 +08:00 committed by archer
parent d73815e3e9
commit bfdfbc10ab
1 changed files with 23 additions and 5 deletions
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28
net/icmpv6/icmpv6_linkipaddr.c
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@ -28,6 +28,7 @@
#include "netdev/netdev.h"
#include "icmpv6/icmpv6.h"
#include "inet/inet.h"
#ifdef CONFIG_NET_ICMPv6
@ -38,18 +39,35 @@
static inline void
icmpv6_linkipaddr_0(FAR struct net_driver_s *dev, net_ipv6addr_t ipaddr)
{
FAR const uint16_t *current = netdev_ipv6_srcaddr(dev, g_ipv6_unspecaddr);
ipaddr[0] = HTONS(0xfe80);
ipaddr[1] = 0;
ipaddr[2] = 0;
ipaddr[3] = 0;
ipaddr[4] = 0;
ipaddr[5] = 0;
ipaddr[6] = 0;
if (!net_ipv6addr_cmp(current, g_ipv6_unspecaddr))
{
/* Keep current interface indentifier */
ipaddr[4] = current[4];
ipaddr[5] = current[5];
ipaddr[6] = current[6];
ipaddr[7] = current[7];
}
else
{
/* Try to generate interface identifier */
ipaddr[4] = 0;
ipaddr[5] = 0;
ipaddr[6] = 0;
#ifdef CONFIG_NETDEV_IFINDEX
ipaddr[7] = HTONS(dev->d_ifindex);
ipaddr[7] = HTONS(dev->d_ifindex);
#else
ipaddr[7] = 0;
ipaddr[7] = 0;
#endif
}
}
static inline void