From 8c8218f878609af4719252d16ac0f42bccd9ba5b Mon Sep 17 00:00:00 2001
From: root <root@ka-ata-killa.ourano.james.local>
Date: Sat, 20 Mar 2021 19:37:18 +0000
Subject: add mdns responder

---
 app/Makefile        |  3 ++-
 app/lwip/lwipopts.h |  5 +++++
 app/lwip_glue.c     | 12 ++++++++++++
 app/project.h       |  1 +
 app/steth.c         |  8 ++++++--
 5 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/app/Makefile b/app/Makefile
index 50ac75f..224f182 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -47,7 +47,8 @@ LWIP_API= \
 
 LWIP_APPS= \
         $(LWIPDIR)/apps/http/fs.c \
-        $(LWIPDIR)/apps/http/httpd.c
+        $(LWIPDIR)/apps/http/httpd.c \
+        $(MDNSFILES)
 
 
 #        $(LWIPDIR)/apps/http/http_client.c \
diff --git a/app/lwip/lwipopts.h b/app/lwip/lwipopts.h
index 7adba9c..b3e37c7 100644
--- a/app/lwip/lwipopts.h
+++ b/app/lwip/lwipopts.h
@@ -36,6 +36,8 @@
 
 #define LWIP_TIMERS                     1
 
+#define LWIP_NETIF_STATUS_CALLBACK 	1
+#define LWIP_NUM_NETIF_CLIENT_DATA	1
 
 #if 0
 #define SYS_DEBUG LWIP_DBG_ON
@@ -215,6 +217,9 @@ The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums
 #define LWIP_HTTPD_FILE_STATE         0
 #define LWIP_HTTPD_CGI	         1
 
+#define LWIP_IGMP 1
+#define LWIP_MDNS_RESPONDER 1
+
 
 
 /*
diff --git a/app/lwip_glue.c b/app/lwip_glue.c
index b4370a2..d2dc4b5 100644
--- a/app/lwip_glue.c
+++ b/app/lwip_glue.c
@@ -14,6 +14,14 @@ void dispatch_lwip (void)
 }
 
 
+static void if_status_changed (struct netif *netif)
+{
+  mdns_resp_netif_settings_changed (netif);
+}
+
+
+
+
 
 void start_lwip (void)
 {
@@ -22,6 +30,7 @@ void start_lwip (void)
 
 
   netif_add (&if0, NULL, NULL, NULL,  NULL, steth_lwip_init, ethernet_input);
+  netif_set_status_callback (&if0, if_status_changed);
 
   /*  Registers the default network interface.*/
   netif_set_default (&if0);
@@ -33,6 +42,9 @@ void start_lwip (void)
 
   httpd_init();
   cgi_init();
+
+  mdns_resp_init();
+  mdns_resp_add_netif (&if0, "clock", 5);
 }
 
 static sys_prot_t ethernet_irq_enabled = 1;
diff --git a/app/project.h b/app/project.h
index c2f9a56..9c1c6f1 100644
--- a/app/project.h
+++ b/app/project.h
@@ -56,6 +56,7 @@
 
 #include <lwip/apps/httpd.h>
 #include <lwip/apps/fs.h>
+#include <lwip/apps/mdns.h>
 
 #include "time_fn.h"
 
diff --git a/app/steth.c b/app/steth.c
index 9245d17..b31bfe3 100644
--- a/app/steth.c
+++ b/app/steth.c
@@ -327,7 +327,7 @@ steth_lwip_init (struct netif *netif)
   netif->mtu = 1500;
 
   /* device capabilities */
-  netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
+  netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_IGMP;
 
   return ERR_OK;
 }
@@ -338,7 +338,7 @@ static void my_eth_init (uint8_t phy, enum eth_clk clock)
 
   ETH_MACCR = ETH_MACCR_CSTF | ETH_MACCR_FES | ETH_MACCR_DM |
               ETH_MACCR_APCS | ETH_MACCR_RD;
-  ETH_MACFFR = ETH_MACFFR_RA | ETH_MACFFR_PM;
+  ETH_MACFFR = ETH_MACFFR_RA | ETH_MACFFR_PM | ETH_MACFFR_PAM;
   ETH_MACHTHR = 0; /* pass all frames */
   ETH_MACHTLR = 0;
   ETH_MACFCR = (0x100 << ETH_MACFCR_PT_SHIFT);
@@ -508,6 +508,7 @@ void steth_slow_tick (void)
     ETH_MACCR |= ETH_MACCR_RD;
     running = 0;
 
+    dhcp_stop (&if0);
     netif_set_link_down (&if0);
   }
 
@@ -555,7 +556,10 @@ void steth_slow_tick (void)
 
     printf ("starting nic\r\n");
     running++;
+
     netif_set_link_up (&if0);
+    dhcp_start (&if0);
+    mdns_resp_restart (&if0);
   }
 
   //  printf("end slow tick\r\n");
-- 
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