X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=net%2Fbootp.c;h=0e0c19923a23c87df81834e9e46022b1e78bd53c;hp=3db08ea2f31583443ee11581763bac4d1fccb2a8;hb=4bdc27a1dca624fe74b58cd32074a3c2d2fd38a3;hpb=093498669e77597635a24f326f11efeab213d394 diff --git a/net/bootp.c b/net/bootp.c index 3db08ea2f3..0e0c19923a 100644 --- a/net/bootp.c +++ b/net/bootp.c @@ -17,35 +17,55 @@ #ifdef CONFIG_STATUS_LED #include #endif +#if defined(CONFIG_BOOTP_RANDOM_DELAY) || defined(CONFIG_BOOTP_RANDOM_ID) +#include "net_rand.h" +#endif -#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ +#define BOOTP_VENDOR_MAGIC 0x63825363 /* RFC1048 Magic Cookie */ -#define TIMEOUT 5000UL /* Milliseconds before trying BOOTP again */ +/* + * The timeout for the initial BOOTP/DHCP request used to be described by a + * counter of fixed-length timeout periods. TIMEOUT_COUNT represents + * that counter + * + * Now that the timeout periods are variable (exponential backoff and retry) + * we convert the timeout count to the absolute time it would have take to + * execute that many retries, and keep sending retry packets until that time + * is reached. + */ #ifndef CONFIG_NET_RETRY_COUNT -# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ +# define TIMEOUT_COUNT 5 /* # of timeouts before giving up */ #else # define TIMEOUT_COUNT (CONFIG_NET_RETRY_COUNT) #endif +#define TIMEOUT_MS ((3 + (TIMEOUT_COUNT * 5)) * 1000) -#define PORT_BOOTPS 67 /* BOOTP server UDP port */ -#define PORT_BOOTPC 68 /* BOOTP client UDP port */ +#define PORT_BOOTPS 67 /* BOOTP server UDP port */ +#define PORT_BOOTPC 68 /* BOOTP client UDP port */ -#ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */ +#ifndef CONFIG_DHCP_MIN_EXT_LEN /* minimal length of extension list */ #define CONFIG_DHCP_MIN_EXT_LEN 64 #endif -ulong BootpID; -int BootpTry; -#ifdef CONFIG_BOOTP_RANDOM_DELAY -ulong seed1, seed2; +#ifndef CONFIG_BOOTP_ID_CACHE_SIZE +#define CONFIG_BOOTP_ID_CACHE_SIZE 4 #endif +ulong bootp_ids[CONFIG_BOOTP_ID_CACHE_SIZE]; +unsigned int bootp_num_ids; +int BootpTry; +ulong bootp_start; +ulong bootp_timeout; +char net_nis_domain[32] = {0,}; /* Our NIS domain */ +char net_hostname[32] = {0,}; /* Our hostname */ +char net_root_path[64] = {0,}; /* Our bootpath */ + #if defined(CONFIG_CMD_DHCP) -dhcp_state_t dhcp_state = INIT; -unsigned long dhcp_leasetime = 0; -IPaddr_t NetDHCPServerIP = 0; -static void DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, - unsigned len); +static dhcp_state_t dhcp_state = INIT; +static unsigned long dhcp_leasetime; +static struct in_addr dhcp_server_ip; +static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip, + unsigned src, unsigned len); /* For Debug */ #if 0 @@ -63,37 +83,53 @@ static char *dhcpmsg2str(int type) } } #endif - -#if defined(CONFIG_BOOTP_VENDOREX) -extern u8 *dhcp_vendorex_prep (u8 *e); /*rtn new e after add own opts. */ -extern u8 *dhcp_vendorex_proc (u8 *e); /*rtn next e if mine,else NULL */ #endif -#endif +static void bootp_add_id(ulong id) +{ + if (bootp_num_ids >= ARRAY_SIZE(bootp_ids)) { + size_t size = sizeof(bootp_ids) - sizeof(id); + + memmove(bootp_ids, &bootp_ids[1], size); + bootp_ids[bootp_num_ids - 1] = id; + } else { + bootp_ids[bootp_num_ids] = id; + bootp_num_ids++; + } +} + +static bool bootp_match_id(ulong id) +{ + unsigned int i; + + for (i = 0; i < bootp_num_ids; i++) + if (bootp_ids[i] == id) + return true; + + return false; +} static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) { - Bootp_t *bp = (Bootp_t *) pkt; + struct Bootp_t *bp = (struct Bootp_t *) pkt; int retval = 0; if (dest != PORT_BOOTPC || src != PORT_BOOTPS) retval = -1; - else if (len < sizeof (Bootp_t) - OPT_SIZE) + else if (len < sizeof(struct Bootp_t) - OPT_FIELD_SIZE) retval = -2; else if (bp->bp_op != OP_BOOTREQUEST && - bp->bp_op != OP_BOOTREPLY && - bp->bp_op != DHCP_OFFER && - bp->bp_op != DHCP_ACK && - bp->bp_op != DHCP_NAK ) { + bp->bp_op != OP_BOOTREPLY && + bp->bp_op != DHCP_OFFER && + bp->bp_op != DHCP_ACK && + bp->bp_op != DHCP_NAK) retval = -3; - } else if (bp->bp_htype != HWT_ETHER) retval = -4; else if (bp->bp_hlen != HWL_ETHER) retval = -5; - else if (NetReadLong((ulong*)&bp->bp_id) != BootpID) { + else if (!bootp_match_id(NetReadLong((ulong *)&bp->bp_id))) retval = -6; - } debug("Filtering pkt = %d\n", retval); @@ -103,147 +139,121 @@ static int BootpCheckPkt(uchar *pkt, unsigned dest, unsigned src, unsigned len) /* * Copy parameters of interest from BOOTP_REPLY/DHCP_OFFER packet */ -static void BootpCopyNetParams(Bootp_t *bp) +static void BootpCopyNetParams(struct Bootp_t *bp) { - IPaddr_t tmp_ip; - - NetCopyIP(&NetOurIP, &bp->bp_yiaddr); #if !defined(CONFIG_BOOTP_SERVERIP) - NetCopyIP(&tmp_ip, &bp->bp_siaddr); - if (tmp_ip != 0) - NetCopyIP(&NetServerIP, &bp->bp_siaddr); - memcpy (NetServerEther, ((Ethernet_t *)NetRxPacket)->et_src, 6); -#endif + struct in_addr tmp_ip; + + net_copy_ip(&tmp_ip, &bp->bp_siaddr); + if (tmp_ip.s_addr != 0) + net_copy_ip(&net_server_ip, &bp->bp_siaddr); + memcpy(net_server_ethaddr, ((struct ethernet_hdr *)NetRxPacket)->et_src, + 6); if (strlen(bp->bp_file) > 0) - copy_filename (BootFile, bp->bp_file, sizeof(BootFile)); + copy_filename(net_boot_file_name, bp->bp_file, + sizeof(net_boot_file_name)); - debug("Bootfile: %s\n", BootFile); + debug("net_boot_file_name: %s\n", net_boot_file_name); /* Propagate to environment: * don't delete exising entry when BOOTP / DHCP reply does * not contain a new value */ - if (*BootFile) { - setenv ("bootfile", BootFile); - } + if (*net_boot_file_name) + setenv("bootfile", net_boot_file_name); +#endif + net_copy_ip(&net_ip, &bp->bp_yiaddr); } -static int truncate_sz (const char *name, int maxlen, int curlen) +static int truncate_sz(const char *name, int maxlen, int curlen) { if (curlen >= maxlen) { - printf("*** WARNING: %s is too long (%d - max: %d) - truncated\n", - name, curlen, maxlen); + printf("*** WARNING: %s is too long (%d - max: %d)" + " - truncated\n", name, curlen, maxlen); curlen = maxlen - 1; } - return (curlen); -} - -/* - * Check if autoload is enabled. If so, use either NFS or TFTP to download - * the boot file. - */ -static void auto_load(void) -{ - const char *s = getenv("autoload"); - - if (s != NULL) { - if (*s == 'n') { - /* - * Just use BOOTP to configure system; - * Do not use TFTP to load the bootfile. - */ - NetState = NETLOOP_SUCCESS; - return; - } -#if defined(CONFIG_CMD_NFS) - if (strcmp(s, "NFS") == 0) { - /* - * Use NFS to load the bootfile. - */ - NfsStart(); - return; - } -#endif - TftpStart(); - } + return curlen; } #if !defined(CONFIG_CMD_DHCP) -static void BootpVendorFieldProcess (u8 * ext) +static void BootpVendorFieldProcess(u8 *ext) { int size = *(ext + 1); debug("[BOOTP] Processing extension %d... (%d bytes)\n", *ext, - *(ext + 1)); + *(ext + 1)); - NetBootFileSize = 0; + net_boot_file_expected_size_in_blocks = 0; switch (*ext) { /* Fixed length fields */ - case 1: /* Subnet mask */ - if (NetOurSubnetMask == 0) - NetCopyIP (&NetOurSubnetMask, (IPaddr_t *) (ext + 2)); + case 1: /* Subnet mask */ + if (net_netmask.s_addr == 0) + net_copy_ip(&net_netmask, (struct in_addr *)(ext + 2)); break; - case 2: /* Time offset - Not yet supported */ + case 2: /* Time offset - Not yet supported */ break; /* Variable length fields */ - case 3: /* Gateways list */ - if (NetOurGatewayIP == 0) { - NetCopyIP (&NetOurGatewayIP, (IPaddr_t *) (ext + 2)); - } + case 3: /* Gateways list */ + if (net_gateway.s_addr == 0) + net_copy_ip(&net_gateway, (struct in_addr *)(ext + 2)); break; - case 4: /* Time server - Not yet supported */ + case 4: /* Time server - Not yet supported */ break; - case 5: /* IEN-116 name server - Not yet supported */ + case 5: /* IEN-116 name server - Not yet supported */ break; case 6: - if (NetOurDNSIP == 0) { - NetCopyIP (&NetOurDNSIP, (IPaddr_t *) (ext + 2)); - } + if (net_dns_server.s_addr == 0) + net_copy_ip(&net_dns_server, + (struct in_addr *)(ext + 2)); #if defined(CONFIG_BOOTP_DNS2) - if ((NetOurDNS2IP == 0) && (size > 4)) { - NetCopyIP (&NetOurDNS2IP, (IPaddr_t *) (ext + 2 + 4)); - } + if ((net_dns_server2.s_addr == 0) && (size > 4)) + net_copy_ip(&net_dns_server2, + (struct in_addr *)(ext + 2 + 4)); #endif break; - case 7: /* Log server - Not yet supported */ + case 7: /* Log server - Not yet supported */ break; - case 8: /* Cookie/Quote server - Not yet supported */ + case 8: /* Cookie/Quote server - Not yet supported */ break; - case 9: /* LPR server - Not yet supported */ + case 9: /* LPR server - Not yet supported */ break; - case 10: /* Impress server - Not yet supported */ + case 10: /* Impress server - Not yet supported */ break; - case 11: /* RPL server - Not yet supported */ + case 11: /* RPL server - Not yet supported */ break; - case 12: /* Host name */ - if (NetOurHostName[0] == 0) { - size = truncate_sz ("Host Name", sizeof (NetOurHostName), size); - memcpy (&NetOurHostName, ext + 2, size); - NetOurHostName[size] = 0; + case 12: /* Host name */ + if (net_hostname[0] == 0) { + size = truncate_sz("Host Name", + sizeof(net_hostname), size); + memcpy(&net_hostname, ext + 2, size); + net_hostname[size] = 0; } break; - case 13: /* Boot file size */ + case 13: /* Boot file size */ if (size == 2) - NetBootFileSize = ntohs (*(ushort *) (ext + 2)); + net_boot_file_expected_size_in_blocks = + ntohs(*(ushort *)(ext + 2)); else if (size == 4) - NetBootFileSize = ntohl (*(ulong *) (ext + 2)); + net_boot_file_expected_size_in_blocks = + ntohl(*(ulong *)(ext + 2)); break; - case 14: /* Merit dump file - Not yet supported */ + case 14: /* Merit dump file - Not yet supported */ break; - case 15: /* Domain name - Not yet supported */ + case 15: /* Domain name - Not yet supported */ break; - case 16: /* Swap server - Not yet supported */ + case 16: /* Swap server - Not yet supported */ break; - case 17: /* Root path */ - if (NetOurRootPath[0] == 0) { - size = truncate_sz ("Root Path", sizeof (NetOurRootPath), size); - memcpy (&NetOurRootPath, ext + 2, size); - NetOurRootPath[size] = 0; + case 17: /* Root path */ + if (net_root_path[0] == 0) { + size = truncate_sz("Root Path", + sizeof(net_root_path), size); + memcpy(&net_root_path, ext + 2, size); + net_root_path[size] = 0; } break; - case 18: /* Extension path - Not yet supported */ + case 18: /* Extension path - Not yet supported */ /* * This can be used to send the information of the * vendor area in another file that the client can @@ -251,20 +261,21 @@ static void BootpVendorFieldProcess (u8 * ext) */ break; /* IP host layer fields */ - case 40: /* NIS Domain name */ - if (NetOurNISDomain[0] == 0) { - size = truncate_sz ("NIS Domain Name", sizeof (NetOurNISDomain), size); - memcpy (&NetOurNISDomain, ext + 2, size); - NetOurNISDomain[size] = 0; + case 40: /* NIS Domain name */ + if (net_nis_domain[0] == 0) { + size = truncate_sz("NIS Domain Name", + sizeof(net_nis_domain), size); + memcpy(&net_nis_domain, ext + 2, size); + net_nis_domain[size] = 0; } break; #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) case 42: /* NTP server IP */ - NetCopyIP(&NetNtpServerIP, (IPaddr_t *) (ext + 2)); + net_copy_ip(&net_ntp_server, (struct in_addr *)(ext + 2)); break; #endif /* Application layer fields */ - case 43: /* Vendor specific info - Not yet supported */ + case 43: /* Vendor specific info - Not yet supported */ /* * Binary information to exchange specific * product information. @@ -274,7 +285,7 @@ static void BootpVendorFieldProcess (u8 * ext) } } -static void BootpVendorProcess (u8 * ext, int size) +static void BootpVendorProcess(u8 *ext, int size) { u8 *end = ext + size; @@ -288,73 +299,72 @@ static void BootpVendorProcess (u8 * ext, int size) ext += ext[1] + 2; if (ext <= end) - BootpVendorFieldProcess (opt); + BootpVendorFieldProcess(opt); } } - debug("[BOOTP] Received fields: \n"); - if (NetOurSubnetMask) - debug("NetOurSubnetMask : %pI4\n", &NetOurSubnetMask); + debug("[BOOTP] Received fields:\n"); + if (net_netmask.s_addr) + debug("net_netmask : %pI4\n", &net_netmask); - if (NetOurGatewayIP) - debug("NetOurGatewayIP : %pI4", &NetOurGatewayIP); + if (net_gateway.s_addr) + debug("net_gateway : %pI4", &net_gateway); - if (NetBootFileSize) - debug("NetBootFileSize : %d\n", NetBootFileSize); + if (net_boot_file_expected_size_in_blocks) + debug("net_boot_file_expected_size_in_blocks : %d\n", + net_boot_file_expected_size_in_blocks); - if (NetOurHostName[0]) - debug("NetOurHostName : %s\n", NetOurHostName); + if (net_hostname[0]) + debug("net_hostname : %s\n", net_hostname); - if (NetOurRootPath[0]) - debug("NetOurRootPath : %s\n", NetOurRootPath); + if (net_root_path[0]) + debug("net_root_path : %s\n", net_root_path); - if (NetOurNISDomain[0]) - debug("NetOurNISDomain : %s\n", NetOurNISDomain); - - if (NetBootFileSize) - debug("NetBootFileSize: %d\n", NetBootFileSize); + if (net_nis_domain[0]) + debug("net_nis_domain : %s\n", net_nis_domain); #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) - if (NetNtpServerIP) - debug("NetNtpServerIP : %pI4\n", &NetNtpServerIP); + if (net_ntp_server) + debug("net_ntp_server : %pI4\n", &net_ntp_server); #endif } /* * Handle a BOOTP received packet. */ -static void -BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, - unsigned len) +static void bootp_handler(uchar *pkt, unsigned dest, struct in_addr sip, + unsigned src, unsigned len) { - Bootp_t *bp; + struct Bootp_t *bp; debug("got BOOTP packet (src=%d, dst=%d, len=%d want_len=%zu)\n", - src, dest, len, sizeof (Bootp_t)); + src, dest, len, sizeof(struct Bootp_t)); - bp = (Bootp_t *)pkt; + bp = (struct Bootp_t *)pkt; - if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ + /* Filter out pkts we don't want */ + if (BootpCheckPkt(pkt, dest, src, len)) return; /* * Got a good BOOTP reply. Copy the data into our variables. */ #ifdef CONFIG_STATUS_LED - status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF); + status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF); #endif BootpCopyNetParams(bp); /* Store net parameters from reply */ /* Retrieve extended information (we must parse the vendor area) */ - if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) + if (NetReadLong((ulong *)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) BootpVendorProcess((uchar *)&bp->bp_vend[4], len); NetSetTimeout(0, (thand_f *)0); + bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP, "bootp_stop"); debug("Got good BOOTP\n"); - auto_load(); + net_auto_load(); } #endif @@ -364,23 +374,47 @@ BootpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, static void BootpTimeout(void) { - if (BootpTry >= TIMEOUT_COUNT) { - puts ("\nRetry count exceeded; starting again\n"); - NetStartAgain (); + ulong time_taken = get_timer(bootp_start); + + if (time_taken >= TIMEOUT_MS) { +#ifdef CONFIG_BOOTP_MAY_FAIL + puts("\nRetry time exceeded\n"); + net_set_state(NETLOOP_FAIL); +#else + puts("\nRetry time exceeded; starting again\n"); + NetStartAgain(); +#endif } else { - NetSetTimeout (TIMEOUT, BootpTimeout); - BootpRequest (); + bootp_timeout *= 2; + if (bootp_timeout > 2000) + bootp_timeout = 2000; + NetSetTimeout(bootp_timeout, BootpTimeout); + BootpRequest(); } } +#define put_vci(e, str) \ + do { \ + size_t vci_strlen = strlen(str); \ + *e++ = 60; /* Vendor Class Identifier */ \ + *e++ = vci_strlen; \ + memcpy(e, str, vci_strlen); \ + e += vci_strlen; \ + } while (0) + /* * Initialize BOOTP extension fields in the request. */ #if defined(CONFIG_CMD_DHCP) -static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t RequestedIP) +static int dhcp_extended(u8 *e, int message_type, struct in_addr server_ip, + struct in_addr requested_ip) { u8 *start = e; u8 *cnt; +#if defined(CONFIG_BOOTP_PXE) + char *uuid; + u16 clientarch; +#endif #if defined(CONFIG_BOOTP_VENDOREX) u8 *x; @@ -400,11 +434,11 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = 57; /* Maximum DHCP Message Size */ *e++ = 2; - *e++ = (576 - 312 + OPT_SIZE) >> 8; - *e++ = (576 - 312 + OPT_SIZE) & 0xff; + *e++ = (576 - 312 + OPT_FIELD_SIZE) >> 8; + *e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff; - if (ServerID) { - int tmp = ntohl (ServerID); + if (server_ip.s_addr) { + int tmp = ntohl(server_ip.s_addr); *e++ = 54; /* ServerID */ *e++ = 4; @@ -414,8 +448,8 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = tmp & 0xff; } - if (RequestedIP) { - int tmp = ntohl (RequestedIP); + if (requested_ip.s_addr) { + int tmp = ntohl(requested_ip.s_addr); *e++ = 50; /* Requested IP */ *e++ = 4; @@ -425,18 +459,53 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R *e++ = tmp & 0xff; } #if defined(CONFIG_BOOTP_SEND_HOSTNAME) - if ((hostname = getenv ("hostname"))) { - int hostnamelen = strlen (hostname); + hostname = getenv("hostname"); + if (hostname) { + int hostnamelen = strlen(hostname); *e++ = 12; /* Hostname */ *e++ = hostnamelen; - memcpy (e, hostname, hostnamelen); + memcpy(e, hostname, hostnamelen); e += hostnamelen; } #endif +#if defined(CONFIG_BOOTP_PXE) + clientarch = CONFIG_BOOTP_PXE_CLIENTARCH; + *e++ = 93; /* Client System Architecture */ + *e++ = 2; + *e++ = (clientarch >> 8) & 0xff; + *e++ = clientarch & 0xff; + + *e++ = 94; /* Client Network Interface Identifier */ + *e++ = 3; + *e++ = 1; /* type field for UNDI */ + *e++ = 0; /* major revision */ + *e++ = 0; /* minor revision */ + + uuid = getenv("pxeuuid"); + + if (uuid) { + if (uuid_str_valid(uuid)) { + *e++ = 97; /* Client Machine Identifier */ + *e++ = 17; + *e++ = 0; /* type 0 - UUID */ + + uuid_str_to_bin(uuid, e, UUID_STR_FORMAT_STD); + e += 16; + } else { + printf("Invalid pxeuuid: %s\n", uuid); + } + } +#endif + +#ifdef CONFIG_BOOTP_VCI_STRING + put_vci(e, CONFIG_BOOTP_VCI_STRING); +#endif + #if defined(CONFIG_BOOTP_VENDOREX) - if ((x = dhcp_vendorex_prep (e))) + x = dhcp_vendorex_prep(e); + if (x) return x - start; #endif @@ -496,9 +565,9 @@ static int DhcpExtended (u8 * e, int message_type, IPaddr_t ServerID, IPaddr_t R #else /* - * Warning: no field size check - change CONFIG_BOOTP_* at your own risk! + * Warning: no field size check - change CONFIG_BOOTP_* at your own risk! */ -static int BootpExtended (u8 * e) +static int bootp_extended(u8 *e) { u8 *start = e; @@ -514,8 +583,17 @@ static int BootpExtended (u8 * e) *e++ = 57; /* Maximum DHCP Message Size */ *e++ = 2; - *e++ = (576 - 312 + OPT_SIZE) >> 16; - *e++ = (576 - 312 + OPT_SIZE) & 0xff; + *e++ = (576 - 312 + OPT_FIELD_SIZE) >> 16; + *e++ = (576 - 312 + OPT_FIELD_SIZE) & 0xff; +#endif + +#if defined(CONFIG_BOOTP_VCI_STRING) || \ + (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_NET_VCI_STRING)) +#ifdef CONFIG_SPL_BUILD + put_vci(e, CONFIG_SPL_NET_VCI_STRING); +#else + put_vci(e, CONFIG_BOOTP_VCI_STRING); +#endif #endif #if defined(CONFIG_BOOTP_SUBNETMASK) @@ -571,145 +649,126 @@ static int BootpExtended (u8 * e) } #endif +void BootpReset(void) +{ + bootp_num_ids = 0; + BootpTry = 0; + bootp_start = get_timer(0); + bootp_timeout = 250; +} + void -BootpRequest (void) +BootpRequest(void) { - volatile uchar *pkt, *iphdr; - Bootp_t *bp; - int ext_len, pktlen, iplen; + uchar *pkt, *iphdr; + struct Bootp_t *bp; + int extlen, pktlen, iplen; + int eth_hdr_size; +#ifdef CONFIG_BOOTP_RANDOM_DELAY + ulong rand_ms; +#endif + ulong BootpID; + struct in_addr zero_ip; + struct in_addr bcast_ip; + bootstage_mark_name(BOOTSTAGE_ID_BOOTP_START, "bootp_start"); #if defined(CONFIG_CMD_DHCP) dhcp_state = INIT; #endif #ifdef CONFIG_BOOTP_RANDOM_DELAY /* Random BOOTP delay */ - unsigned char bi_enetaddr[6]; - int reg; - ulong tst1, tst2, sum, m_mask, m_value = 0; - - if (BootpTry ==0) { - /* get our mac */ - eth_getenv_enetaddr("ethaddr", bi_enetaddr); - - debug("BootpRequest => Our Mac: "); - for (reg=0; reg<6; reg++) - debug("%x%c", bi_enetaddr[reg], reg==5 ? '\n' : ':'); - - /* Mac-Manipulation 2 get seed1 */ - tst1=0; - tst2=0; - for (reg=2; reg<6; reg++) { - tst1 = tst1 << 8; - tst1 = tst1 | bi_enetaddr[reg]; - } - for (reg=0; reg<2; reg++) { - tst2 = tst2 | bi_enetaddr[reg]; - tst2 = tst2 << 8; - } - - seed1 = tst1^tst2; - - /* Mirror seed1*/ - m_mask=0x1; - for (reg=1;reg<=32;reg++) { - m_value |= (m_mask & seed1); - seed1 = seed1 >> 1; - m_value = m_value << 1; - } - seed1 = m_value; - seed2 = 0xB78D0945; - } + if (BootpTry == 0) + srand_mac(); - /* Random Number Generator */ + if (BootpTry <= 2) /* Start with max 1024 * 1ms */ + rand_ms = rand() >> (22 - BootpTry); + else /* After 3rd BOOTP request max 8192 * 1ms */ + rand_ms = rand() >> 19; - for (reg=0;reg<=0;reg++) { - sum = seed1 + seed2; - if (sum < seed1 || sum < seed2) - sum++; - seed2 = seed1; - seed1 = sum; + printf("Random delay: %ld ms...\n", rand_ms); + mdelay(rand_ms); - if (BootpTry<=2) { /* Start with max 1024 * 1ms */ - sum = sum >> (22-BootpTry); - } else { /*After 3rd BOOTP request max 8192 * 1ms */ - sum = sum >> 19; - } - } - - printf ("Random delay: %ld ms...\n", sum); - for (reg=0; reg bp_op = OP_BOOTREQUEST; bp->bp_htype = HWT_ETHER; bp->bp_hlen = HWL_ETHER; bp->bp_hops = 0; bp->bp_secs = htons(get_timer(0) / 1000); - NetWriteIP(&bp->bp_ciaddr, 0); - NetWriteIP(&bp->bp_yiaddr, 0); - NetWriteIP(&bp->bp_siaddr, 0); - NetWriteIP(&bp->bp_giaddr, 0); - memcpy (bp->bp_chaddr, NetOurEther, 6); - copy_filename (bp->bp_file, BootFile, sizeof(bp->bp_file)); + zero_ip.s_addr = 0; + net_write_ip(&bp->bp_ciaddr, zero_ip); + net_write_ip(&bp->bp_yiaddr, zero_ip); + net_write_ip(&bp->bp_siaddr, zero_ip); + net_write_ip(&bp->bp_giaddr, zero_ip); + memcpy(bp->bp_chaddr, net_ethaddr, 6); + copy_filename(bp->bp_file, net_boot_file_name, sizeof(bp->bp_file)); /* Request additional information from the BOOTP/DHCP server */ #if defined(CONFIG_CMD_DHCP) - ext_len = DhcpExtended((u8 *)bp->bp_vend, DHCP_DISCOVER, 0, 0); + extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_DISCOVER, zero_ip, + zero_ip); #else - ext_len = BootpExtended((u8 *)bp->bp_vend); + extlen = bootp_extended((u8 *)bp->bp_vend); #endif /* * Bootp ID is the lower 4 bytes of our ethernet address * plus the current time in ms. */ - BootpID = ((ulong)NetOurEther[2] << 24) - | ((ulong)NetOurEther[3] << 16) - | ((ulong)NetOurEther[4] << 8) - | (ulong)NetOurEther[5]; +#ifdef CONFIG_BOOTP_RANDOM_ID + BootpID = rand(); +#else + BootpID = ((ulong)net_ethaddr[2] << 24) + | ((ulong)net_ethaddr[3] << 16) + | ((ulong)net_ethaddr[4] << 8) + | (ulong)net_ethaddr[5]; BootpID += get_timer(0); - BootpID = htonl(BootpID); + BootpID = htonl(BootpID); +#endif + bootp_add_id(BootpID); NetCopyLong(&bp->bp_id, &BootpID); /* * Calculate proper packet lengths taking into account the * variable size of the options field */ - pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; - iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + ext_len; - NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); - NetSetTimeout(SELECT_TIMEOUT, BootpTimeout); + iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen; + pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen; + bcast_ip.s_addr = 0xFFFFFFFFL; + net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen); + NetSetTimeout(bootp_timeout, BootpTimeout); #if defined(CONFIG_CMD_DHCP) dhcp_state = SELECTING; - NetSetHandler(DhcpHandler); + net_set_udp_handler(dhcp_handler); #else - NetSetHandler(BootpHandler); + net_set_udp_handler(bootp_handler); #endif NetSendPacket(NetTxPacket, pktlen); } #if defined(CONFIG_CMD_DHCP) -static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) +static void DhcpOptionsProcess(uchar *popt, struct Bootp_t *bp) { uchar *end = popt + BOOTP_HDR_SIZE; int oplen, size; @@ -721,50 +780,53 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) oplen = *(popt + 1); switch (*popt) { case 1: - NetCopyIP (&NetOurSubnetMask, (popt + 2)); + net_copy_ip(&net_netmask, (popt + 2)); break; #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_TIMEOFFSET) case 2: /* Time offset */ to_ptr = &NetTimeOffset; - NetCopyLong ((ulong *)to_ptr, (ulong *)(popt + 2)); - NetTimeOffset = ntohl (NetTimeOffset); + NetCopyLong((ulong *)to_ptr, (ulong *)(popt + 2)); + NetTimeOffset = ntohl(NetTimeOffset); break; #endif case 3: - NetCopyIP (&NetOurGatewayIP, (popt + 2)); + net_copy_ip(&net_gateway, (popt + 2)); break; case 6: - NetCopyIP (&NetOurDNSIP, (popt + 2)); + net_copy_ip(&net_dns_server, (popt + 2)); #if defined(CONFIG_BOOTP_DNS2) - if (*(popt + 1) > 4) { - NetCopyIP (&NetOurDNS2IP, (popt + 2 + 4)); - } + if (*(popt + 1) > 4) + net_copy_ip(&net_dns_server2, (popt + 2 + 4)); #endif break; case 12: - size = truncate_sz ("Host Name", sizeof (NetOurHostName), oplen); - memcpy (&NetOurHostName, popt + 2, size); - NetOurHostName[size] = 0; + size = truncate_sz("Host Name", + sizeof(net_hostname), oplen); + memcpy(&net_hostname, popt + 2, size); + net_hostname[size] = 0; break; case 15: /* Ignore Domain Name Option */ break; case 17: - size = truncate_sz ("Root Path", sizeof (NetOurRootPath), oplen); - memcpy (&NetOurRootPath, popt + 2, size); - NetOurRootPath[size] = 0; + size = truncate_sz("Root Path", + sizeof(net_root_path), oplen); + memcpy(&net_root_path, popt + 2, size); + net_root_path[size] = 0; + break; + case 28: /* Ignore Broadcast Address Option */ break; #if defined(CONFIG_CMD_SNTP) && defined(CONFIG_BOOTP_NTPSERVER) case 42: /* NTP server IP */ - NetCopyIP (&NetNtpServerIP, (popt + 2)); + net_copy_ip(&net_ntp_server, (popt + 2)); break; #endif case 51: - NetCopyLong (&dhcp_leasetime, (ulong *) (popt + 2)); + NetCopyLong(&dhcp_leasetime, (ulong *) (popt + 2)); break; case 53: /* Ignore Message Type Option */ break; case 54: - NetCopyIP (&NetDHCPServerIP, (popt + 2)); + net_copy_ip(&dhcp_server_ip, (popt + 2)); break; case 58: /* Ignore Renewal Time Option */ break; @@ -779,7 +841,7 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) * pass the bootp packet pointer into here as the * second arg */ - size = truncate_sz ("Opt Boot File", + size = truncate_sz("Opt Boot File", sizeof(bp->bp_file), oplen); if (bp->bp_file[0] == '\0' && size > 0) { @@ -800,10 +862,11 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) break; default: #if defined(CONFIG_BOOTP_VENDOREX) - if (dhcp_vendorex_proc (popt)) + if (dhcp_vendorex_proc(popt)) break; #endif - printf ("*** Unhandled DHCP Option in OFFER/ACK: %d\n", *popt); + printf("*** Unhandled DHCP Option in OFFER/ACK:" + " %d\n", *popt); break; } popt += oplen + 2; /* Process next option */ @@ -812,50 +875,55 @@ static void DhcpOptionsProcess (uchar * popt, Bootp_t *bp) static int DhcpMessageType(unsigned char *popt) { - if (NetReadLong((ulong*)popt) != htonl(BOOTP_VENDOR_MAGIC)) + if (NetReadLong((ulong *)popt) != htonl(BOOTP_VENDOR_MAGIC)) return -1; popt += 4; - while ( *popt != 0xff ) { - if ( *popt == 53 ) /* DHCP Message Type */ + while (*popt != 0xff) { + if (*popt == 53) /* DHCP Message Type */ return *(popt + 2); popt += *(popt + 1) + 2; /* Scan through all options */ } return -1; } -static void DhcpSendRequestPkt(Bootp_t *bp_offer) +static void DhcpSendRequestPkt(struct Bootp_t *bp_offer) { - volatile uchar *pkt, *iphdr; - Bootp_t *bp; + uchar *pkt, *iphdr; + struct Bootp_t *bp; int pktlen, iplen, extlen; - IPaddr_t OfferedIP; + int eth_hdr_size; + struct in_addr offered_ip; + struct in_addr zero_ip; + struct in_addr bcast_ip; debug("DhcpSendRequestPkt: Sending DHCPREQUEST\n"); pkt = NetTxPacket; - memset ((void*)pkt, 0, PKTSIZE); + memset((void *)pkt, 0, PKTSIZE); - pkt += NetSetEther(pkt, NetBcastAddr, PROT_IP); + eth_hdr_size = NetSetEther(pkt, net_bcast_ethaddr, PROT_IP); + pkt += eth_hdr_size; - iphdr = pkt; /* We'll need this later to set proper pkt size */ - pkt += IP_HDR_SIZE; + iphdr = pkt; /* We'll need this later to set proper pkt size */ + pkt += IP_UDP_HDR_SIZE; - bp = (Bootp_t *)pkt; + bp = (struct Bootp_t *)pkt; bp->bp_op = OP_BOOTREQUEST; bp->bp_htype = HWT_ETHER; bp->bp_hlen = HWL_ETHER; bp->bp_hops = 0; bp->bp_secs = htons(get_timer(0) / 1000); - /* Do not set the client IP, your IP, or server IP yet, since it hasn't been ACK'ed by - * the server yet */ + /* Do not set the client IP, your IP, or server IP yet, since it + * hasn't been ACK'ed by the server yet */ /* * RFC3046 requires Relay Agents to discard packets with * nonzero and offered giaddr */ - NetWriteIP(&bp->bp_giaddr, 0); + zero_ip.s_addr = 0; + net_write_ip(&bp->bp_giaddr, zero_ip); - memcpy (bp->bp_chaddr, NetOurEther, 6); + memcpy(bp->bp_chaddr, net_ethaddr, 6); /* * ID is the id of the OFFER packet @@ -868,60 +936,63 @@ static void DhcpSendRequestPkt(Bootp_t *bp_offer) */ /* Copy offered IP into the parameters request list */ - NetCopyIP(&OfferedIP, &bp_offer->bp_yiaddr); - extlen = DhcpExtended((u8 *)bp->bp_vend, DHCP_REQUEST, NetDHCPServerIP, OfferedIP); + net_copy_ip(&offered_ip, &bp_offer->bp_yiaddr); + extlen = dhcp_extended((u8 *)bp->bp_vend, DHCP_REQUEST, + dhcp_server_ip, offered_ip); - pktlen = ((int)(pkt-NetTxPacket)) + BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; - iplen = BOOTP_HDR_SIZE - sizeof(bp->bp_vend) + extlen; - NetSetIP(iphdr, 0xFFFFFFFFL, PORT_BOOTPS, PORT_BOOTPC, iplen); + iplen = BOOTP_HDR_SIZE - OPT_FIELD_SIZE + extlen; + pktlen = eth_hdr_size + IP_UDP_HDR_SIZE + iplen; + bcast_ip.s_addr = 0xFFFFFFFFL; + net_set_udp_header(iphdr, bcast_ip, PORT_BOOTPS, PORT_BOOTPC, iplen); - debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen); #ifdef CONFIG_BOOTP_DHCP_REQUEST_DELAY udelay(CONFIG_BOOTP_DHCP_REQUEST_DELAY); #endif /* CONFIG_BOOTP_DHCP_REQUEST_DELAY */ + debug("Transmitting DHCPREQUEST packet: len = %d\n", pktlen); NetSendPacket(NetTxPacket, pktlen); } /* * Handle DHCP received packets. */ -static void -DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, - unsigned len) +static void dhcp_handler(uchar *pkt, unsigned dest, struct in_addr sip, + unsigned src, unsigned len) { - Bootp_t *bp = (Bootp_t *)pkt; + struct Bootp_t *bp = (struct Bootp_t *)pkt; debug("DHCPHandler: got packet: (src=%d, dst=%d, len=%d) state: %d\n", src, dest, len, dhcp_state); - if (BootpCheckPkt(pkt, dest, src, len)) /* Filter out pkts we don't want */ + /* Filter out pkts we don't want */ + if (BootpCheckPkt(pkt, dest, src, len)) return; - debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state: %d\n", - src, dest, len, dhcp_state); + debug("DHCPHandler: got DHCP packet: (src=%d, dst=%d, len=%d) state:" + " %d\n", src, dest, len, dhcp_state); switch (dhcp_state) { case SELECTING: /* * Wait an appropriate time for any potential DHCPOFFER packets - * to arrive. Then select one, and generate DHCPREQUEST response. - * If filename is in format we recognize, assume it is a valid - * OFFER from a server we want. + * to arrive. Then select one, and generate DHCPREQUEST + * response. If filename is in format we recognize, assume it + * is a valid OFFER from a server we want. */ debug("DHCP: state=SELECTING bp_file: \"%s\"\n", bp->bp_file); #ifdef CONFIG_SYS_BOOTFILE_PREFIX if (strncmp(bp->bp_file, CONFIG_SYS_BOOTFILE_PREFIX, - strlen(CONFIG_SYS_BOOTFILE_PREFIX)) == 0 ) { + strlen(CONFIG_SYS_BOOTFILE_PREFIX)) == 0) { #endif /* CONFIG_SYS_BOOTFILE_PREFIX */ debug("TRANSITIONING TO REQUESTING STATE\n"); dhcp_state = REQUESTING; - if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) + if (NetReadLong((ulong *)&bp->bp_vend[0]) == + htonl(BOOTP_VENDOR_MAGIC)) DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); - NetSetTimeout(TIMEOUT, BootpTimeout); + NetSetTimeout(5000, BootpTimeout); DhcpSendRequestPkt(bp); #ifdef CONFIG_SYS_BOOTFILE_PREFIX } @@ -932,14 +1003,19 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, case REQUESTING: debug("DHCP State: REQUESTING\n"); - if ( DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK ) { - if (NetReadLong((ulong*)&bp->bp_vend[0]) == htonl(BOOTP_VENDOR_MAGIC)) + if (DhcpMessageType((u8 *)bp->bp_vend) == DHCP_ACK) { + if (NetReadLong((ulong *)&bp->bp_vend[0]) == + htonl(BOOTP_VENDOR_MAGIC)) DhcpOptionsProcess((u8 *)&bp->bp_vend[4], bp); - BootpCopyNetParams(bp); /* Store net params from reply */ + /* Store net params from reply */ + BootpCopyNetParams(bp); dhcp_state = BOUND; - printf ("DHCP client bound to address %pI4\n", &NetOurIP); + printf("DHCP client bound to address %pI4 (%lu ms)\n", + &net_ip, get_timer(bootp_start)); + bootstage_mark_name(BOOTSTAGE_ID_BOOTP_STOP, + "bootp_stop"); - auto_load(); + net_auto_load(); return; } break; @@ -947,7 +1023,7 @@ DhcpHandler(uchar *pkt, unsigned dest, IPaddr_t sip, unsigned src, /* DHCP client bound to address */ break; default: - puts ("DHCP: INVALID STATE\n"); + puts("DHCP: INVALID STATE\n"); break; }