X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=net%2Fnet.c;h=5637cf54f6d64efe21a8a168b050262d51a83756;hb=8d907e79bc9babb27396e34be54cfdc36ff62fb9;hp=cde26801b385b8e29a4e44a5e147514d4112c088;hpb=6b6f287a33ae8c340f97fb08ed95b6687e2baa4b;p=platform%2Fkernel%2Fu-boot.git diff --git a/net/net.c b/net/net.c index cde2680..5637cf5 100644 --- a/net/net.c +++ b/net/net.c @@ -89,16 +89,25 @@ #if defined(CONFIG_CMD_SNTP) #include "sntp.h" #endif +#if defined(CONFIG_CDP_VERSION) +#include +#endif #if defined(CONFIG_CMD_NET) DECLARE_GLOBAL_DATA_PTR; -#define ARP_TIMEOUT 5 /* Seconds before trying ARP again */ +#ifndef CONFIG_ARP_TIMEOUT +# define ARP_TIMEOUT 5000UL /* Milliseconds before trying ARP again */ +#else +# define ARP_TIMEOUT CONFIG_ARP_TIMEOUT +#endif + + #ifndef CONFIG_NET_RETRY_COUNT -# define ARP_TIMEOUT_COUNT 5 /* # of timeouts before giving up */ +# define ARP_TIMEOUT_COUNT 5 /* # of timeouts before giving up */ #else -# define ARP_TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) +# define ARP_TIMEOUT_COUNT CONFIG_NET_RETRY_COUNT #endif #if 0 @@ -129,7 +138,7 @@ uchar NetOurEther[6]; /* Our ethernet address */ uchar NetServerEther[6] = /* Boot server enet address */ { 0, 0, 0, 0, 0, 0 }; IPaddr_t NetOurIP; /* Our IP addr (0 = unknown) */ -IPaddr_t NetServerIP; /* Our IP addr (0 = unknown) */ +IPaddr_t NetServerIP; /* Server IP addr (0 = unknown) */ volatile uchar *NetRxPkt; /* Current receive packet */ int NetRxPktLen; /* Current rx packet length */ unsigned NetIPID; /* IP packet ID */ @@ -137,6 +146,9 @@ uchar NetBcastAddr[6] = /* Ethernet bcast address */ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; uchar NetEtherNullAddr[6] = { 0, 0, 0, 0, 0, 0 }; +#ifdef CONFIG_API +void (*push_packet)(volatile void *, int len) = 0; +#endif #if defined(CONFIG_CMD_CDP) uchar NetCDPAddr[6] = /* Ethernet bcast address */ { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc }; @@ -155,7 +167,7 @@ ushort NetOurNativeVLAN = 0xFFFF; /* ditto */ char BootFile[128]; /* Boot File name */ #if defined(CONFIG_CMD_PING) -IPaddr_t NetPingIP; /* the ip address to ping */ +IPaddr_t NetPingIP; /* the ip address to ping */ static void PingStart(void); #endif @@ -193,7 +205,7 @@ IPaddr_t NetArpWaitReplyIP; uchar *NetArpWaitPacketMAC; /* MAC address of waiting packet's destination */ uchar *NetArpWaitTxPacket; /* THE transmit packet */ int NetArpWaitTxPacketSize; -uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN]; +uchar NetArpWaitPacketBuf[PKTSIZE_ALIGN + PKTALIGN]; ulong NetArpWaitTimerStart; int NetArpWaitTry; @@ -250,7 +262,7 @@ void ArpTimeoutCheck(void) t = get_timer(0); /* check for arp timeout */ - if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT * CFG_HZ) { + if ((t - NetArpWaitTimerStart) > ARP_TIMEOUT) { NetArpWaitTry++; if (NetArpWaitTry >= ARP_TIMEOUT_COUNT) { @@ -264,6 +276,27 @@ void ArpTimeoutCheck(void) } } +static void +NetInitLoop(proto_t protocol) +{ + static int env_changed_id = 0; + bd_t *bd = gd->bd; + int env_id = get_env_id (); + + /* update only when the environment has changed */ + if (env_changed_id != env_id) { + NetCopyIP(&NetOurIP, &bd->bi_ip_addr); + NetOurGatewayIP = getenv_IPaddr ("gatewayip"); + NetOurSubnetMask= getenv_IPaddr ("netmask"); + NetServerIP = getenv_IPaddr ("serverip"); + NetOurNativeVLAN = getenv_VLAN("nvlan"); + NetOurVLAN = getenv_VLAN("vlan"); + env_changed_id = env_id; + } + + return; +} + /**********************************************************************/ /* * Main network processing loop. @@ -318,7 +351,7 @@ restart: #ifdef CONFIG_NET_MULTI memcpy (NetOurEther, eth_get_dev()->enetaddr, 6); #else - memcpy (NetOurEther, bd->bi_enetaddr, 6); + eth_getenv_enetaddr("ethaddr", NetOurEther); #endif NetState = NETLOOP_CONTINUE; @@ -328,65 +361,7 @@ restart: * here on, this code is a state machine driven by received * packets and timer events. */ - - switch (protocol) { -#if defined(CONFIG_CMD_NFS) - case NFS: -#endif -#if defined(CONFIG_CMD_PING) - case PING: -#endif -#if defined(CONFIG_CMD_SNTP) - case SNTP: -#endif - case NETCONS: - case TFTP: - NetCopyIP(&NetOurIP, &bd->bi_ip_addr); - NetOurGatewayIP = getenv_IPaddr ("gatewayip"); - NetOurSubnetMask= getenv_IPaddr ("netmask"); - NetOurVLAN = getenv_VLAN("vlan"); - NetOurNativeVLAN = getenv_VLAN("nvlan"); - - switch (protocol) { -#if defined(CONFIG_CMD_NFS) - case NFS: -#endif - case NETCONS: - case TFTP: - NetServerIP = getenv_IPaddr ("serverip"); - break; -#if defined(CONFIG_CMD_PING) - case PING: - /* nothing */ - break; -#endif -#if defined(CONFIG_CMD_SNTP) - case SNTP: - /* nothing */ - break; -#endif - default: - break; - } - - break; - case BOOTP: - case RARP: - /* - * initialize our IP addr to 0 in order to accept ANY - * IP addr assigned to us by the BOOTP / RARP server - */ - NetOurIP = 0; - NetServerIP = getenv_IPaddr ("serverip"); - NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */ - NetOurNativeVLAN = getenv_VLAN("nvlan"); - case CDP: - NetOurVLAN = getenv_VLAN("vlan"); /* VLANs must be read */ - NetOurNativeVLAN = getenv_VLAN("nvlan"); - break; - default: - break; - } + NetInitLoop(protocol); switch (net_check_prereq (protocol)) { case 1: @@ -412,10 +387,7 @@ restart: #if defined(CONFIG_CMD_DHCP) case DHCP: - /* Start with a clean slate... */ BootpTry = 0; - NetOurIP = 0; - NetServerIP = getenv_IPaddr ("serverip"); DhcpRequest(); /* Basically same as BOOTP */ break; #endif @@ -463,16 +435,16 @@ restart: } #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) -#if defined(CFG_FAULT_ECHO_LINK_DOWN) && defined(CONFIG_STATUS_LED) && defined(STATUS_LED_RED) +#if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && defined(CONFIG_STATUS_LED) && defined(STATUS_LED_RED) /* * Echo the inverted link state to the fault LED. */ - if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) { + if(miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR)) { status_led_set (STATUS_LED_RED, STATUS_LED_OFF); } else { status_led_set (STATUS_LED_RED, STATUS_LED_ON); } -#endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */ +#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */ #endif /* CONFIG_MII, ... */ /* @@ -491,7 +463,7 @@ restart: * Check the ethernet for a new packet. The ethernet * receive routine will process it. */ - eth_rx(); + eth_rx(); /* * Abort if ctrl-c was pressed. @@ -512,18 +484,18 @@ restart: thand_f *x; #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) -# if defined(CFG_FAULT_ECHO_LINK_DOWN) && \ +# if defined(CONFIG_SYS_FAULT_ECHO_LINK_DOWN) && \ defined(CONFIG_STATUS_LED) && \ defined(STATUS_LED_RED) /* * Echo the inverted link state to the fault LED. */ - if(miiphy_link(eth_get_dev()->name, CFG_FAULT_MII_ADDR)) { + if(miiphy_link(eth_get_dev()->name, CONFIG_SYS_FAULT_MII_ADDR)) { status_led_set (STATUS_LED_RED, STATUS_LED_OFF); } else { status_led_set (STATUS_LED_RED, STATUS_LED_ON); } -# endif /* CFG_FAULT_ECHO_LINK_DOWN, ... */ +# endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */ #endif /* CONFIG_MII, ... */ x = timeHandler; timeHandler = (thand_f *)0; @@ -589,16 +561,18 @@ void NetStartAgain (void) return; } #ifndef CONFIG_NET_MULTI - NetSetTimeout (10 * CFG_HZ, startAgainTimeout); + NetSetTimeout (10000UL, startAgainTimeout); NetSetHandler (startAgainHandler); #else /* !CONFIG_NET_MULTI*/ eth_halt (); +#if !defined(CONFIG_NET_DO_NOT_TRY_ANOTHER) eth_try_another (!NetRestarted); +#endif eth_init (gd->bd); if (NetRestartWrap) { NetRestartWrap = 0; if (NetDevExists && !once) { - NetSetTimeout (10 * CFG_HZ, startAgainTimeout); + NetSetTimeout (10000UL, startAgainTimeout); NetSetHandler (startAgainHandler); } else { NetState = NETLOOP_FAIL; @@ -679,8 +653,7 @@ NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport, int len) } #ifdef ET_DEBUG - printf("sending UDP to %08lx/%02x:%02x:%02x:%02x:%02x:%02x\n", - dest, ether[0], ether[1], ether[2], ether[3], ether[4], ether[5]); + printf("sending UDP to %08lx/%pM\n", dest, ether); #endif pkt = (uchar *)NetTxPacket; @@ -724,7 +697,7 @@ int PingSend(void) ip->ip_tos = 0; ip->ip_len = htons(IP_HDR_SIZE_NO_UDP + 8); ip->ip_id = htons(NetIPID++); - ip->ip_off = htons(0x4000); /* No fragmentation */ + ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */ ip->ip_ttl = 255; ip->ip_p = 0x01; /* ICMP */ ip->ip_sum = 0; @@ -735,7 +708,7 @@ int PingSend(void) s = &ip->udp_src; /* XXX ICMP starts here */ s[0] = htons(0x0800); /* echo-request, code */ s[1] = 0; /* checksum */ - s[2] = 0; /* identifier */ + s[2] = 0; /* identifier */ s[3] = htons(PingSeqNo++); /* sequence number */ s[1] = ~NetCksum((uchar *)s, 8/2); @@ -774,7 +747,7 @@ static void PingStart(void) #if defined(CONFIG_NET_MULTI) printf ("Using %s device\n", eth_get_name()); #endif /* CONFIG_NET_MULTI */ - NetSetTimeout (10 * CFG_HZ, PingTimeout); + NetSetTimeout (10000UL, PingTimeout); NetSetHandler (PingHandler); PingSend(); @@ -797,7 +770,7 @@ static void PingStart(void) #define CDP_SYSOBJECT_TLV 0x0015 #define CDP_MANAGEMENT_ADDRESS_TLV 0x0016 -#define CDP_TIMEOUT (CFG_HZ/4) /* one packet every 250ms */ +#define CDP_TIMEOUT 250UL /* one packet every 250ms */ static int CDPSeq; static int CDPOK; @@ -901,11 +874,7 @@ int CDPSendTrigger(void) #ifdef CONFIG_CDP_DEVICE_ID *s++ = htons(CDP_DEVICE_ID_TLV); *s++ = htons(CONFIG_CDP_DEVICE_ID); - memset(buf, 0, sizeof(buf)); - sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%02X%02X%02X%02X%02X%02X", - NetOurEther[0] & 0xff, NetOurEther[1] & 0xff, - NetOurEther[2] & 0xff, NetOurEther[3] & 0xff, - NetOurEther[4] & 0xff, NetOurEther[5] & 0xff); + sprintf(buf, CONFIG_CDP_DEVICE_ID_PREFIX "%pm", NetOurEther); memcpy((uchar *)s, buf, 16); s += 16 / 2; #endif @@ -1161,6 +1130,13 @@ NetReceive(volatile uchar * inpkt, int len) if (len < ETHER_HDR_SIZE) return; +#ifdef CONFIG_API + if (push_packet) { + (*push_packet)(inpkt, len); + return; + } +#endif + #if defined(CONFIG_CMD_CDP) /* keep track if packet is CDP */ iscdp = memcmp(et->et_dest, NetCDPAddr, 6) == 0; @@ -1298,10 +1274,8 @@ NetReceive(volatile uchar * inpkt, int len) if (!NetArpWaitPacketIP || !NetArpWaitPacketMAC) break; #ifdef ET_DEBUG - printf("Got ARP REPLY, set server/gtwy eth addr (%02x:%02x:%02x:%02x:%02x:%02x)\n", - arp->ar_data[0], arp->ar_data[1], - arp->ar_data[2], arp->ar_data[3], - arp->ar_data[4], arp->ar_data[5]); + printf("Got ARP REPLY, set server/gtwy eth addr (%pM)\n", + arp->ar_data); #endif tmp = NetReadIP(&arp->ar_data[6]); @@ -1367,7 +1341,7 @@ NetReceive(volatile uchar * inpkt, int len) puts ("Got IP\n"); #endif if (len < IP_HDR_SIZE) { - debug ("len bad %d < %d\n", len, IP_HDR_SIZE); + debug ("len bad %d < %lu\n", len, (ulong)IP_HDR_SIZE); return; } if (len < ntohs(ip->ip_len)) { @@ -1381,7 +1355,12 @@ NetReceive(volatile uchar * inpkt, int len) if ((ip->ip_hl_v & 0xf0) != 0x40) { return; } - if (ip->ip_off & htons(0x1fff)) { /* Can't deal w/ fragments */ + /* Can't deal with fragments */ + if (ip->ip_off & htons(IP_OFFS | IP_FLAGS_MFRAG)) { + return; + } + /* can't deal with headers > 20 bytes */ + if ((ip->ip_hl_v & 0x0f) > 0x05) { return; } if (!NetCksumOk((uchar *)ip, IP_HDR_SIZE_NO_UDP / 2)) { @@ -1419,9 +1398,7 @@ NetReceive(volatile uchar * inpkt, int len) case ICMP_REDIRECT: if (icmph->code != ICMP_REDIR_HOST) return; - puts (" ICMP Host Redirect to "); - print_IPaddr(icmph->un.gateway); - putc(' '); + printf (" ICMP Host Redirect to %pI4 ", &icmph->un.gateway); return; #if defined(CONFIG_CMD_PING) case ICMP_ECHO_REPLY: @@ -1493,7 +1470,8 @@ NetReceive(volatile uchar * inpkt, int len) xsum = (xsum & 0x0000ffff) + ((xsum >> 16) & 0x0000ffff); } if ((xsum != 0x00000000) && (xsum != 0x0000ffff)) { - printf(" UDP wrong checksum %08x %08x\n", xsum, ntohs(ip->udp_xsum)); + printf(" UDP wrong checksum %08lx %08x\n", + xsum, ntohs(ip->udp_xsum)); return; } } @@ -1657,7 +1635,7 @@ NetSetEther(volatile uchar * xet, uchar * addr, uint prot) void NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len) { - volatile IP_t *ip = (IP_t *)xip; + IP_t *ip = (IP_t *)xip; /* * If the data is an odd number of bytes, zero the @@ -1675,7 +1653,7 @@ NetSetIP(volatile uchar * xip, IPaddr_t dest, int dport, int sport, int len) ip->ip_tos = 0; ip->ip_len = htons(IP_HDR_SIZE + len); ip->ip_id = htons(NetIPID++); - ip->ip_off = htons(0x4000); /* No fragmentation */ + ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */ ip->ip_ttl = 255; ip->ip_p = 17; /* UDP */ ip->ip_sum = 0; @@ -1762,15 +1740,6 @@ ushort string_to_VLAN(char *s) return htons(id); } -void print_IPaddr (IPaddr_t x) -{ - char tmp[16]; - - ip_to_string (x, tmp); - - puts (tmp); -} - IPaddr_t getenv_IPaddr (char *var) { return (string_to_ip(getenv(var)));