From 3d48137c00511b3f2d35511482d1a76f8d06382d Mon Sep 17 00:00:00 2001
From: root <root@lab.ourano.james.local>
Date: Fri, 26 Feb 2021 12:12:38 +0000
Subject: works

---
 app/steth.c | 31 +++++++++++++++++++++++++++++--
 1 file changed, 29 insertions(+), 2 deletions(-)

(limited to 'app/steth.c')

diff --git a/app/steth.c b/app/steth.c
index 26429aa..5b94e1d 100644
--- a/app/steth.c
+++ b/app/steth.c
@@ -14,7 +14,7 @@ static int ready;
 
 static uint8_t __attribute__ ((aligned (4))) eth_buf[ETH_BUF_LEN];
 
-static uint8_t sa[ETHARP_HWADDR_LEN] = { 0xc0, 0xf1, 0xee, 0xc0, 0xff, 0xdd };
+static uint8_t sa[ETHARP_HWADDR_LEN];
 
 extern uint32_t TxBD;
 extern uint32_t RxBD;
@@ -32,6 +32,29 @@ extern uint32_t RxBD;
 
 
 
+void steth_calculate_mac(void)
+{
+  uint32_t uid[3];
+  uint8_t *ptr;
+  unsigned i;
+  desig_get_unique_id (uid);
+
+  ptr=(uint8_t *)uid;
+
+  for (i=0;i<ETHARP_HWADDR_LEN;++i) 
+	  sa[i]^=*(ptr++);
+  for (i=0;i<ETHARP_HWADDR_LEN;++i) 
+	  sa[i]^=*(ptr++);
+
+  sa[0]&=0xfe; /*Clear I/G */
+  sa[0]|=0x2;  /*Set U/L */
+
+printf("MAC ADDRESS is %02x:%02x:%02x:%02x:%02x:%02x\r\n",sa[0],sa[1],sa[2],sa[3],sa[4],sa[5]);
+}
+
+
+
+
 static void mac_stat (void)
 {
   //uint32_t d, s;
@@ -122,6 +145,7 @@ steth_rx (void)
   struct pbuf *p;
   uint32_t len;
 
+
   p = pbuf_alloc (PBUF_RAW, MTU, PBUF_POOL);
 
   if (!p) return ERR_MEM;
@@ -166,6 +190,7 @@ steth_lwip_init (struct netif *netif)
 {
   LWIP_ASSERT ("netif != NULL", (netif != NULL));
 
+
 #if LWIP_NETIF_HOSTNAME
   /* Initialize interface hostname */
   netif->hostname = "lwip";
@@ -297,8 +322,8 @@ static void eth_reset (void)
   phy_stat();
 
   eth_set_mac (sa);
-  eth_enable_checksum_offload();
   eth_desc_init (eth_buf, TX_BUFS, RX_BUFS, FRAME_SZ, FRAME_SZ, 1);
+  //  eth_enable_checksum_offload();
 
   eth_irq_enable (ETH_DMAIER_NISE);
   eth_irq_enable (ETH_DMAIER_RIE);
@@ -314,6 +339,8 @@ static void eth_start_an (void)
   phy_autoneg_enable (PHY);
 }
 
+
+
 void
 steth_init (void)
 {
-- 
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