ARM: at91: sama5d4: display the U-Boot version on LCD

[u-boot] / net / net.c

diff --git a/net/net.c b/net/net.c
index a40cde1e94e46367d727e30d40187b2630f60f15..b60ce6242ce1d0081daf42118f28baab4caafd07 100644 (file)
--- a/net/net.c
+++ b/net/net.c
@@ -6,6 +6,7 @@
  *     Copyright 2000 Roland Borde
  *     Copyright 2000 Paolo Scaffardi
  *     Copyright 2000-2002 Wolfgang Denk, wd@denx.de
+ *     SPDX-License-Identifier:        GPL-2.0
  */
 
 /*
@@ -207,6 +208,8 @@ static int net_check_prereq(enum proto_t protocol);
 
 static int NetTryCount;
 
+int __maybe_unused net_busy_flag;
+
 /**********************************************************************/
 
 static int on_bootfile(const char *name, const char *value, enum env_op op,
@@ -271,7 +274,8 @@ static void NetInitLoop(void)
 #endif
                env_changed_id = env_id;
        }
-       memcpy(NetOurEther, eth_get_dev()->enetaddr, 6);
+       if (eth_get_dev())
+               memcpy(NetOurEther, eth_get_dev()->enetaddr, 6);
 
        return;
 }
@@ -341,6 +345,9 @@ int NetLoop(enum proto_t protocol)
                eth_init_state_only(bd);
 
 restart:
+#ifdef CONFIG_USB_KEYBOARD
+       net_busy_flag = 0;
+#endif
        net_set_state(NETLOOP_CONTINUE);
 
        /*
@@ -379,14 +386,14 @@ restart:
 #endif
 #if defined(CONFIG_CMD_DHCP)
                case DHCP:
-                       BootpTry = 0;
+                       BootpReset();
                        NetOurIP = 0;
                        DhcpRequest();          /* Basically same as BOOTP */
                        break;
 #endif
 
                case BOOTP:
-                       BootpTry = 0;
+                       BootpReset();
                        NetOurIP = 0;
                        BootpRequest();
                        break;
@@ -413,7 +420,7 @@ restart:
                        CDPStart();
                        break;
 #endif
-#ifdef CONFIG_NETCONSOLE
+#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
                case NETCONS:
                        NcStart();
                        break;
@@ -453,6 +460,9 @@ restart:
                status_led_set(STATUS_LED_RED, STATUS_LED_ON);
 #endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
 #endif /* CONFIG_MII, ... */
+#ifdef CONFIG_USB_KEYBOARD
+       net_busy_flag = 1;
+#endif
 
        /*
         *      Main packet reception loop.  Loop receiving packets until
@@ -528,15 +538,11 @@ restart:
                case NETLOOP_SUCCESS:
                        net_cleanup_loop();
                        if (NetBootFileXferSize > 0) {
-                               char buf[20];
                                printf("Bytes transferred = %ld (%lx hex)\n",
                                        NetBootFileXferSize,
                                        NetBootFileXferSize);
-                               sprintf(buf, "%lX", NetBootFileXferSize);
-                               setenv("filesize", buf);
-
-                               sprintf(buf, "%lX", (unsigned long)load_addr);
-                               setenv("fileaddr", buf);
+                               setenv_hex("filesize", NetBootFileXferSize);
+                               setenv_hex("fileaddr", load_addr);
                        }
                        if (protocol != NETCONS)
                                eth_halt();
@@ -562,6 +568,9 @@ restart:
        }
 
 done:
+#ifdef CONFIG_USB_KEYBOARD
+       net_busy_flag = 0;
+#endif
 #ifdef CONFIG_CMD_TFTPPUT
        /* Clear out the handlers */
        net_set_udp_handler(NULL);
@@ -1077,7 +1086,7 @@ NetReceive(uchar *inpkt, int len)
                if ((ip->ip_hl_v & 0x0f) > 0x05)
                        return;
                /* Check the Checksum of the header */
-               if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE / 2)) {
+               if (!ip_checksum_ok((uchar *)ip, IP_HDR_SIZE)) {
                        debug("checksum bad\n");
                        return;
                }
@@ -1174,7 +1183,7 @@ NetReceive(uchar *inpkt, int len)
 #endif
 
 
-#ifdef CONFIG_NETCONSOLE
+#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
                nc_input_packet((uchar *)ip + IP_UDP_HDR_SIZE,
                                        src_ip,
                                        ntohs(ip->udp_dst),
@@ -1281,27 +1290,6 @@ common:
 }
 /**********************************************************************/
 
-int
-NetCksumOk(uchar *ptr, int len)
-{
-       return !((NetCksum(ptr, len) + 1) & 0xfffe);
-}
-
-
-unsigned
-NetCksum(uchar *ptr, int len)
-{
-       ulong   xsum;
-       ushort *p = (ushort *)ptr;
-
-       xsum = 0;
-       while (len-- > 0)
-               xsum += *p++;
-       xsum = (xsum & 0xffff) + (xsum >> 16);
-       xsum = (xsum & 0xffff) + (xsum >> 16);
-       return xsum & 0xffff;
-}
-
 int
 NetEthHdrSize(void)
 {
@@ -1401,7 +1389,7 @@ void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
        net_set_ip_header(pkt, dest, NetOurIP);
        ip->ip_len   = htons(IP_UDP_HDR_SIZE + len);
        ip->ip_p     = IPPROTO_UDP;
-       ip->ip_sum   = ~NetCksum((uchar *)ip, IP_HDR_SIZE >> 1);
+       ip->ip_sum   = compute_ip_checksum(ip, IP_HDR_SIZE);
 
        ip->udp_src  = htons(sport);
        ip->udp_dst  = htons(dport);