diff options
| author | Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com> | 2022-12-02 12:18:06 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-12-05 12:47:16 -0500 |
| commit | ffdbf3bad5f3f2dd8320dc5628104d6c559cd36c (patch) | |
| tree | 6df63726095c5066523450cb35ffadba3bdc3964 /net | |
| parent | 1feb697830ce2fe31bf66fc9d472134c73cf8b56 (diff) | |
net: ipv6: Incorporate IPv6 support into u-boot net subsystem
Add net_ip6_handler (an IPv6 packet handler) into net_loop. Add
neighbor discovery mechanism into network init process. That is the
main step to run IPv6 in u-boot. Now u-boot is capable to use NDP and
handle IPv6 packets.
Signed-off-by: Viacheslav Mitrofanov <v.v.mitrofanov@yadro.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/net.c | 23 |
1 files changed, 22 insertions, 1 deletions
@@ -91,6 +91,8 @@ #include <image.h> #include <log.h> #include <net.h> +#include <net6.h> +#include <ndisc.h> #include <net/fastboot.h> #include <net/tftp.h> #include <net/ncsi.h> @@ -343,8 +345,17 @@ void net_auto_load(void) static int net_init_loop(void) { - if (eth_get_dev()) + if (eth_get_dev()) { memcpy(net_ethaddr, eth_get_ethaddr(), 6); + + if (IS_ENABLED(CONFIG_IPV6)) { + ip6_make_lladdr(&net_link_local_ip6, net_ethaddr); + if (!memcmp(&net_ip6, &net_null_addr_ip6, + sizeof(struct in6_addr))) + memcpy(&net_ip6, &net_link_local_ip6, + sizeof(struct in6_addr)); + } + } else /* * Not ideal, but there's no way to get the actual error, and I @@ -385,6 +396,7 @@ int net_init(void) (i + 1) * PKTSIZE_ALIGN; } arp_init(); + ndisc_init(); net_clear_handlers(); /* Only need to setup buffer pointers once. */ @@ -589,6 +601,11 @@ restart: if (arp_timeout_check() > 0) time_start = get_timer(0); + if (IS_ENABLED(CONFIG_IPV6)) { + if (use_ip6 && (ndisc_timeout_check() > 0)) + time_start = get_timer(0); + } + /* * Check the ethernet for a new packet. The ethernet * receive routine will process it. @@ -1244,6 +1261,10 @@ void net_process_received_packet(uchar *in_packet, int len) rarp_receive(ip, len); break; #endif +#if IS_ENABLED(CONFIG_IPV6) + case PROT_IP6: + net_ip6_handler(et, (struct ip6_hdr *)ip, len); +#endif case PROT_IP: debug_cond(DEBUG_NET_PKT, "Got IP\n"); /* Before we start poking the header, make sure it is there */ |