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-rw-r--r--net/net.c493
1 files changed, 249 insertions, 244 deletions
diff --git a/net/net.c b/net/net.c
index b60ce62..a365df0 100644
--- a/net/net.c
+++ b/net/net.c
@@ -84,6 +84,7 @@
#include <common.h>
#include <command.h>
#include <environment.h>
+#include <errno.h>
#include <net.h>
#if defined(CONFIG_STATUS_LED)
#include <miiphy.h>
@@ -111,82 +112,74 @@ DECLARE_GLOBAL_DATA_PTR;
/** BOOTP EXTENTIONS **/
/* Our subnet mask (0=unknown) */
-IPaddr_t NetOurSubnetMask;
+struct in_addr net_netmask;
/* Our gateways IP address */
-IPaddr_t NetOurGatewayIP;
+struct in_addr net_gateway;
/* Our DNS IP address */
-IPaddr_t NetOurDNSIP;
+struct in_addr net_dns_server;
#if defined(CONFIG_BOOTP_DNS2)
/* Our 2nd DNS IP address */
-IPaddr_t NetOurDNS2IP;
+struct in_addr net_dns_server2;
#endif
-/* Our NIS domain */
-char NetOurNISDomain[32] = {0,};
-/* Our hostname */
-char NetOurHostName[32] = {0,};
-/* Our bootpath */
-char NetOurRootPath[64] = {0,};
-/* Our bootfile size in blocks */
-ushort NetBootFileSize;
#ifdef CONFIG_MCAST_TFTP /* Multicast TFTP */
-IPaddr_t Mcast_addr;
+struct in_addr net_mcast_addr;
#endif
/** END OF BOOTP EXTENTIONS **/
-/* The actual transferred size of the bootfile (in bytes) */
-ulong NetBootFileXferSize;
/* Our ethernet address */
-uchar NetOurEther[6];
+u8 net_ethaddr[6];
/* Boot server enet address */
-uchar NetServerEther[6];
+u8 net_server_ethaddr[6];
/* Our IP addr (0 = unknown) */
-IPaddr_t NetOurIP;
+struct in_addr net_ip;
/* Server IP addr (0 = unknown) */
-IPaddr_t NetServerIP;
+struct in_addr net_server_ip;
/* Current receive packet */
-uchar *NetRxPacket;
+uchar *net_rx_packet;
/* Current rx packet length */
-int NetRxPacketLen;
+int net_rx_packet_len;
/* IP packet ID */
-unsigned NetIPID;
+static unsigned net_ip_id;
/* Ethernet bcast address */
-uchar NetBcastAddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
-uchar NetEtherNullAddr[6];
+const u8 net_bcast_ethaddr[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+const u8 net_null_ethaddr[6];
#ifdef CONFIG_API
-void (*push_packet)(void *, int len) = 0;
+void (*push_packet)(void *, int len) = 0;
#endif
/* Network loop state */
enum net_loop_state net_state;
/* Tried all network devices */
-int NetRestartWrap;
+int net_restart_wrap;
/* Network loop restarted */
-static int NetRestarted;
+static int net_restarted;
/* At least one device configured */
-static int NetDevExists;
+static int net_dev_exists;
/* XXX in both little & big endian machines 0xFFFF == ntohs(-1) */
/* default is without VLAN */
-ushort NetOurVLAN = 0xFFFF;
+ushort net_our_vlan = 0xFFFF;
/* ditto */
-ushort NetOurNativeVLAN = 0xFFFF;
+ushort net_native_vlan = 0xFFFF;
/* Boot File name */
-char BootFile[128];
+char net_boot_file_name[128];
+/* The actual transferred size of the bootfile (in bytes) */
+u32 net_boot_file_size;
+/* Boot file size in blocks as reported by the DHCP server */
+u32 net_boot_file_expected_size_in_blocks;
#if defined(CONFIG_CMD_SNTP)
/* NTP server IP address */
-IPaddr_t NetNtpServerIP;
+struct in_addr net_ntp_server;
/* offset time from UTC */
-int NetTimeOffset;
+int net_ntp_time_offset;
#endif
-static uchar PktBuf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
-
-/* Receive packet */
-uchar *NetRxPackets[PKTBUFSRX];
-
+static uchar net_pkt_buf[(PKTBUFSRX+1) * PKTSIZE_ALIGN + PKTALIGN];
+/* Receive packets */
+uchar *net_rx_packets[PKTBUFSRX];
/* Current UDP RX packet handler */
static rxhand_f *udp_packet_handler;
/* Current ARP RX packet handler */
@@ -196,17 +189,17 @@ static rxhand_f *arp_packet_handler;
static rxhand_icmp_f *packet_icmp_handler;
#endif
/* Current timeout handler */
-static thand_f *timeHandler;
+static thand_f *time_handler;
/* Time base value */
-static ulong timeStart;
+static ulong time_start;
/* Current timeout value */
-static ulong timeDelta;
+static ulong time_delta;
/* THE transmit packet */
-uchar *NetTxPacket;
+uchar *net_tx_packet;
static int net_check_prereq(enum proto_t protocol);
-static int NetTryCount;
+static int net_try_count;
int __maybe_unused net_busy_flag;
@@ -218,7 +211,8 @@ static int on_bootfile(const char *name, const char *value, enum env_op op,
switch (op) {
case env_op_create:
case env_op_overwrite:
- copy_filename(BootFile, value, sizeof(BootFile));
+ copy_filename(net_boot_file_name, value,
+ sizeof(net_boot_file_name));
break;
default:
break;
@@ -241,7 +235,7 @@ void net_auto_load(void)
/*
* Use NFS to load the bootfile.
*/
- NfsStart();
+ nfs_start();
return;
}
#endif
@@ -253,29 +247,29 @@ void net_auto_load(void)
net_set_state(NETLOOP_SUCCESS);
return;
}
- TftpStart(TFTPGET);
+ tftp_start(TFTPGET);
}
-static void NetInitLoop(void)
+static void net_init_loop(void)
{
static int env_changed_id;
int env_id = get_env_id();
/* update only when the environment has changed */
if (env_changed_id != env_id) {
- NetOurIP = getenv_IPaddr("ipaddr");
- NetOurGatewayIP = getenv_IPaddr("gatewayip");
- NetOurSubnetMask = getenv_IPaddr("netmask");
- NetServerIP = getenv_IPaddr("serverip");
- NetOurNativeVLAN = getenv_VLAN("nvlan");
- NetOurVLAN = getenv_VLAN("vlan");
+ net_ip = getenv_ip("ipaddr");
+ net_gateway = getenv_ip("gatewayip");
+ net_netmask = getenv_ip("netmask");
+ net_server_ip = getenv_ip("serverip");
+ net_native_vlan = getenv_vlan("nvlan");
+ net_our_vlan = getenv_vlan("vlan");
#if defined(CONFIG_CMD_DNS)
- NetOurDNSIP = getenv_IPaddr("dnsip");
+ net_dns_server = getenv_ip("dnsip");
#endif
env_changed_id = env_id;
}
if (eth_get_dev())
- memcpy(NetOurEther, eth_get_dev()->enetaddr, 6);
+ memcpy(net_ethaddr, eth_get_ethaddr(), 6);
return;
}
@@ -284,7 +278,7 @@ static void net_clear_handlers(void)
{
net_set_udp_handler(NULL);
net_set_arp_handler(NULL);
- NetSetTimeout(0, NULL);
+ net_set_timeout_handler(0, NULL);
}
static void net_cleanup_loop(void)
@@ -302,19 +296,20 @@ void net_init(void)
*/
int i;
- NetTxPacket = &PktBuf[0] + (PKTALIGN - 1);
- NetTxPacket -= (ulong)NetTxPacket % PKTALIGN;
- for (i = 0; i < PKTBUFSRX; i++)
- NetRxPackets[i] = NetTxPacket + (i + 1) * PKTSIZE_ALIGN;
-
- ArpInit();
+ net_tx_packet = &net_pkt_buf[0] + (PKTALIGN - 1);
+ net_tx_packet -= (ulong)net_tx_packet % PKTALIGN;
+ for (i = 0; i < PKTBUFSRX; i++) {
+ net_rx_packets[i] = net_tx_packet +
+ (i + 1) * PKTSIZE_ALIGN;
+ }
+ arp_init();
net_clear_handlers();
/* Only need to setup buffer pointers once. */
first_call = 0;
}
- NetInitLoop();
+ net_init_loop();
}
/**********************************************************************/
@@ -322,28 +317,28 @@ void net_init(void)
* Main network processing loop.
*/
-int NetLoop(enum proto_t protocol)
+int net_loop(enum proto_t protocol)
{
- bd_t *bd = gd->bd;
- int ret = -1;
+ int ret = -EINVAL;
- NetRestarted = 0;
- NetDevExists = 0;
- NetTryCount = 1;
- debug_cond(DEBUG_INT_STATE, "--- NetLoop Entry\n");
+ net_restarted = 0;
+ net_dev_exists = 0;
+ net_try_count = 1;
+ debug_cond(DEBUG_INT_STATE, "--- net_loop Entry\n");
bootstage_mark_name(BOOTSTAGE_ID_ETH_START, "eth_start");
net_init();
if (eth_is_on_demand_init() || protocol != NETCONS) {
eth_halt();
eth_set_current();
- if (eth_init(bd) < 0) {
+ ret = eth_init();
+ if (ret < 0) {
eth_halt();
- return -1;
+ return ret;
}
- } else
- eth_init_state_only(bd);
-
+ } else {
+ eth_init_state_only();
+ }
restart:
#ifdef CONFIG_USB_KEYBOARD
net_busy_flag = 0;
@@ -355,54 +350,54 @@ restart:
* here on, this code is a state machine driven by received
* packets and timer events.
*/
- debug_cond(DEBUG_INT_STATE, "--- NetLoop Init\n");
- NetInitLoop();
+ debug_cond(DEBUG_INT_STATE, "--- net_loop Init\n");
+ net_init_loop();
switch (net_check_prereq(protocol)) {
case 1:
/* network not configured */
eth_halt();
- return -1;
+ return -ENODEV;
case 2:
/* network device not configured */
break;
case 0:
- NetDevExists = 1;
- NetBootFileXferSize = 0;
+ net_dev_exists = 1;
+ net_boot_file_size = 0;
switch (protocol) {
case TFTPGET:
#ifdef CONFIG_CMD_TFTPPUT
case TFTPPUT:
#endif
/* always use ARP to get server ethernet address */
- TftpStart(protocol);
+ tftp_start(protocol);
break;
#ifdef CONFIG_CMD_TFTPSRV
case TFTPSRV:
- TftpStartServer();
+ tftp_start_server();
break;
#endif
#if defined(CONFIG_CMD_DHCP)
case DHCP:
- BootpReset();
- NetOurIP = 0;
- DhcpRequest(); /* Basically same as BOOTP */
+ bootp_reset();
+ net_ip.s_addr = 0;
+ dhcp_request(); /* Basically same as BOOTP */
break;
#endif
case BOOTP:
- BootpReset();
- NetOurIP = 0;
- BootpRequest();
+ bootp_reset();
+ net_ip.s_addr = 0;
+ bootp_request();
break;
#if defined(CONFIG_CMD_RARP)
case RARP:
- RarpTry = 0;
- NetOurIP = 0;
- RarpRequest();
+ rarp_try = 0;
+ net_ip.s_addr = 0;
+ rarp_request();
break;
#endif
#if defined(CONFIG_CMD_PING)
@@ -412,27 +407,27 @@ restart:
#endif
#if defined(CONFIG_CMD_NFS)
case NFS:
- NfsStart();
+ nfs_start();
break;
#endif
#if defined(CONFIG_CMD_CDP)
case CDP:
- CDPStart();
+ cdp_start();
break;
#endif
-#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
+#if defined(CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
case NETCONS:
- NcStart();
+ nc_start();
break;
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
- SntpStart();
+ sntp_start();
break;
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
- DnsStart();
+ dns_start();
break;
#endif
#if defined(CONFIG_CMD_LINK_LOCAL)
@@ -476,6 +471,8 @@ restart:
/*
* Check the ethernet for a new packet. The ethernet
* receive routine will process it.
+ * Most drivers return the most recent packet size, but not
+ * errors that may have happened.
*/
eth_rx();
@@ -484,7 +481,7 @@ restart:
*/
if (ctrlc()) {
/* cancel any ARP that may not have completed */
- NetArpWaitPacketIP = 0;
+ net_arp_wait_packet_ip.s_addr = 0;
net_cleanup_loop();
eth_halt();
@@ -494,17 +491,18 @@ restart:
puts("\nAbort\n");
/* include a debug print as well incase the debug
messages are directed to stderr */
- debug_cond(DEBUG_INT_STATE, "--- NetLoop Abort!\n");
+ debug_cond(DEBUG_INT_STATE, "--- net_loop Abort!\n");
goto done;
}
- ArpTimeoutCheck();
+ arp_timeout_check();
/*
* Check for a timeout, and run the timeout handler
* if we have one.
*/
- if (timeHandler && ((get_timer(0) - timeStart) > timeDelta)) {
+ if (time_handler &&
+ ((get_timer(0) - time_start) > time_delta)) {
thand_f *x;
#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
@@ -515,33 +513,32 @@ restart:
* Echo the inverted link state to the fault LED.
*/
if (miiphy_link(eth_get_dev()->name,
- CONFIG_SYS_FAULT_MII_ADDR)) {
+ CONFIG_SYS_FAULT_MII_ADDR))
status_led_set(STATUS_LED_RED, STATUS_LED_OFF);
- } else {
+ else
status_led_set(STATUS_LED_RED, STATUS_LED_ON);
- }
#endif /* CONFIG_SYS_FAULT_ECHO_LINK_DOWN, ... */
#endif /* CONFIG_MII, ... */
- debug_cond(DEBUG_INT_STATE, "--- NetLoop timeout\n");
- x = timeHandler;
- timeHandler = (thand_f *)0;
+ debug_cond(DEBUG_INT_STATE, "--- net_loop timeout\n");
+ x = time_handler;
+ time_handler = (thand_f *)0;
(*x)();
}
+ if (net_state == NETLOOP_FAIL)
+ ret = net_start_again();
switch (net_state) {
-
case NETLOOP_RESTART:
- NetRestarted = 1;
+ net_restarted = 1;
goto restart;
case NETLOOP_SUCCESS:
net_cleanup_loop();
- if (NetBootFileXferSize > 0) {
- printf("Bytes transferred = %ld (%lx hex)\n",
- NetBootFileXferSize,
- NetBootFileXferSize);
- setenv_hex("filesize", NetBootFileXferSize);
+ if (net_boot_file_size > 0) {
+ printf("Bytes transferred = %d (%x hex)\n",
+ net_boot_file_size, net_boot_file_size);
+ setenv_hex("filesize", net_boot_file_size);
setenv_hex("fileaddr", load_addr);
}
if (protocol != NETCONS)
@@ -551,15 +548,15 @@ restart:
eth_set_last_protocol(protocol);
- ret = NetBootFileXferSize;
- debug_cond(DEBUG_INT_STATE, "--- NetLoop Success!\n");
+ ret = net_boot_file_size;
+ debug_cond(DEBUG_INT_STATE, "--- net_loop Success!\n");
goto done;
case NETLOOP_FAIL:
net_cleanup_loop();
/* Invalidate the last protocol */
eth_set_last_protocol(BOOTP);
- debug_cond(DEBUG_INT_STATE, "--- NetLoop Fail!\n");
+ debug_cond(DEBUG_INT_STATE, "--- net_loop Fail!\n");
goto done;
case NETLOOP_CONTINUE:
@@ -581,17 +578,17 @@ done:
/**********************************************************************/
-static void
-startAgainTimeout(void)
+static void start_again_timeout_handler(void)
{
net_set_state(NETLOOP_RESTART);
}
-void NetStartAgain(void)
+int net_start_again(void)
{
char *nretry;
int retry_forever = 0;
unsigned long retrycnt = 0;
+ int ret;
nretry = getenv("netretry");
if (nretry) {
@@ -603,26 +600,33 @@ void NetStartAgain(void)
retrycnt = 1;
else
retrycnt = simple_strtoul(nretry, NULL, 0);
- } else
- retry_forever = 1;
+ } else {
+ retrycnt = 0;
+ retry_forever = 0;
+ }
- if ((!retry_forever) && (NetTryCount >= retrycnt)) {
+ if ((!retry_forever) && (net_try_count >= retrycnt)) {
eth_halt();
net_set_state(NETLOOP_FAIL);
- return;
+ /*
+ * We don't provide a way for the protocol to return an error,
+ * but this is almost always the reason.
+ */
+ return -ETIMEDOUT;
}
- NetTryCount++;
+ net_try_count++;
eth_halt();
#if !defined(CONFIG_NET_DO_NOT_TRY_ANOTHER)
- eth_try_another(!NetRestarted);
+ eth_try_another(!net_restarted);
#endif
- eth_init(gd->bd);
- if (NetRestartWrap) {
- NetRestartWrap = 0;
- if (NetDevExists) {
- NetSetTimeout(10000UL, startAgainTimeout);
+ ret = eth_init();
+ if (net_restart_wrap) {
+ net_restart_wrap = 0;
+ if (net_dev_exists) {
+ net_set_timeout_handler(10000UL,
+ start_again_timeout_handler);
net_set_udp_handler(NULL);
} else {
net_set_state(NETLOOP_FAIL);
@@ -630,6 +634,7 @@ void NetStartAgain(void)
} else {
net_set_state(NETLOOP_RESTART);
}
+ return ret;
}
/**********************************************************************/
@@ -638,7 +643,7 @@ void NetStartAgain(void)
*/
static void dummy_handler(uchar *pkt, unsigned dport,
- IPaddr_t sip, unsigned sport,
+ struct in_addr sip, unsigned sport,
unsigned len)
{
}
@@ -650,7 +655,7 @@ rxhand_f *net_get_udp_handler(void)
void net_set_udp_handler(rxhand_f *f)
{
- debug_cond(DEBUG_INT_STATE, "--- NetLoop UDP handler set (%p)\n", f);
+ debug_cond(DEBUG_INT_STATE, "--- net_loop UDP handler set (%p)\n", f);
if (f == NULL)
udp_packet_handler = dummy_handler;
else
@@ -664,7 +669,7 @@ rxhand_f *net_get_arp_handler(void)
void net_set_arp_handler(rxhand_f *f)
{
- debug_cond(DEBUG_INT_STATE, "--- NetLoop ARP handler set (%p)\n", f);
+ debug_cond(DEBUG_INT_STATE, "--- net_loop ARP handler set (%p)\n", f);
if (f == NULL)
arp_packet_handler = dummy_handler;
else
@@ -678,69 +683,68 @@ void net_set_icmp_handler(rxhand_icmp_f *f)
}
#endif
-void
-NetSetTimeout(ulong iv, thand_f *f)
+void net_set_timeout_handler(ulong iv, thand_f *f)
{
if (iv == 0) {
debug_cond(DEBUG_INT_STATE,
- "--- NetLoop timeout handler cancelled\n");
- timeHandler = (thand_f *)0;
+ "--- net_loop timeout handler cancelled\n");
+ time_handler = (thand_f *)0;
} else {
debug_cond(DEBUG_INT_STATE,
- "--- NetLoop timeout handler set (%p)\n", f);
- timeHandler = f;
- timeStart = get_timer(0);
- timeDelta = iv * CONFIG_SYS_HZ / 1000;
+ "--- net_loop timeout handler set (%p)\n", f);
+ time_handler = f;
+ time_start = get_timer(0);
+ time_delta = iv * CONFIG_SYS_HZ / 1000;
}
}
-int NetSendUDPPacket(uchar *ether, IPaddr_t dest, int dport, int sport,
+int net_send_udp_packet(uchar *ether, struct in_addr dest, int dport, int sport,
int payload_len)
{
uchar *pkt;
int eth_hdr_size;
int pkt_hdr_size;
- /* make sure the NetTxPacket is initialized (NetInit() was called) */
- assert(NetTxPacket != NULL);
- if (NetTxPacket == NULL)
+ /* make sure the net_tx_packet is initialized (net_init() was called) */
+ assert(net_tx_packet != NULL);
+ if (net_tx_packet == NULL)
return -1;
/* convert to new style broadcast */
- if (dest == 0)
- dest = 0xFFFFFFFF;
+ if (dest.s_addr == 0)
+ dest.s_addr = 0xFFFFFFFF;
/* if broadcast, make the ether address a broadcast and don't do ARP */
- if (dest == 0xFFFFFFFF)
- ether = NetBcastAddr;
+ if (dest.s_addr == 0xFFFFFFFF)
+ ether = (uchar *)net_bcast_ethaddr;
- pkt = (uchar *)NetTxPacket;
+ pkt = (uchar *)net_tx_packet;
- eth_hdr_size = NetSetEther(pkt, ether, PROT_IP);
+ eth_hdr_size = net_set_ether(pkt, ether, PROT_IP);
pkt += eth_hdr_size;
net_set_udp_header(pkt, dest, dport, sport, payload_len);
pkt_hdr_size = eth_hdr_size + IP_UDP_HDR_SIZE;
/* if MAC address was not discovered yet, do an ARP request */
- if (memcmp(ether, NetEtherNullAddr, 6) == 0) {
+ if (memcmp(ether, net_null_ethaddr, 6) == 0) {
debug_cond(DEBUG_DEV_PKT, "sending ARP for %pI4\n", &dest);
/* save the ip and eth addr for the packet to send after arp */
- NetArpWaitPacketIP = dest;
- NetArpWaitPacketMAC = ether;
+ net_arp_wait_packet_ip = dest;
+ arp_wait_packet_ethaddr = ether;
/* size of the waiting packet */
- NetArpWaitTxPacketSize = pkt_hdr_size + payload_len;
+ arp_wait_tx_packet_size = pkt_hdr_size + payload_len;
/* and do the ARP request */
- NetArpWaitTry = 1;
- NetArpWaitTimerStart = get_timer(0);
- ArpRequest();
+ arp_wait_try = 1;
+ arp_wait_timer_start = get_timer(0);
+ arp_request();
return 1; /* waiting */
} else {
debug_cond(DEBUG_DEV_PKT, "sending UDP to %pI4/%pM\n",
- &dest, ether);
- NetSendPacket(NetTxPacket, pkt_hdr_size + payload_len);
+ &dest, ether);
+ net_send_packet(net_tx_packet, pkt_hdr_size + payload_len);
return 0; /* transmitted */
}
}
@@ -778,7 +782,7 @@ struct hole {
u16 unused;
};
-static struct ip_udp_hdr *__NetDefragment(struct ip_udp_hdr *ip, int *lenp)
+static struct ip_udp_hdr *__net_defragment(struct ip_udp_hdr *ip, int *lenp)
{
static uchar pkt_buff[IP_PKTSIZE] __aligned(PKTALIGN);
static u16 first_hole, total_len;
@@ -898,17 +902,19 @@ static struct ip_udp_hdr *__NetDefragment(struct ip_udp_hdr *ip, int *lenp)
return localip;
}
-static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
+static inline struct ip_udp_hdr *net_defragment(struct ip_udp_hdr *ip,
+ int *lenp)
{
u16 ip_off = ntohs(ip->ip_off);
if (!(ip_off & (IP_OFFS | IP_FLAGS_MFRAG)))
return ip; /* not a fragment */
- return __NetDefragment(ip, lenp);
+ return __net_defragment(ip, lenp);
}
#else /* !CONFIG_IP_DEFRAG */
-static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
+static inline struct ip_udp_hdr *net_defragment(struct ip_udp_hdr *ip,
+ int *lenp)
{
u16 ip_off = ntohs(ip->ip_off);
if (!(ip_off & (IP_OFFS | IP_FLAGS_MFRAG)))
@@ -924,7 +930,7 @@ static inline struct ip_udp_hdr *NetDefragment(struct ip_udp_hdr *ip, int *lenp)
* @parma ip IP packet containing the ICMP
*/
static void receive_icmp(struct ip_udp_hdr *ip, int len,
- IPaddr_t src_ip, struct ethernet_hdr *et)
+ struct in_addr src_ip, struct ethernet_hdr *et)
{
struct icmp_hdr *icmph = (struct icmp_hdr *)&ip->udp_src;
@@ -933,7 +939,7 @@ static void receive_icmp(struct ip_udp_hdr *ip, int len,
if (icmph->code != ICMP_REDIR_HOST)
return;
printf(" ICMP Host Redirect to %pI4 ",
- &icmph->un.gateway);
+ &icmph->un.gateway);
break;
default:
#if defined(CONFIG_CMD_PING)
@@ -942,20 +948,20 @@ static void receive_icmp(struct ip_udp_hdr *ip, int len,
#ifdef CONFIG_CMD_TFTPPUT
if (packet_icmp_handler)
packet_icmp_handler(icmph->type, icmph->code,
- ntohs(ip->udp_dst), src_ip, ntohs(ip->udp_src),
- icmph->un.data, ntohs(ip->udp_len));
+ ntohs(ip->udp_dst), src_ip,
+ ntohs(ip->udp_src), icmph->un.data,
+ ntohs(ip->udp_len));
#endif
break;
}
}
-void
-NetReceive(uchar *inpkt, int len)
+void net_process_received_packet(uchar *in_packet, int len)
{
struct ethernet_hdr *et;
struct ip_udp_hdr *ip;
- IPaddr_t dst_ip;
- IPaddr_t src_ip;
+ struct in_addr dst_ip;
+ struct in_addr src_ip;
int eth_proto;
#if defined(CONFIG_CMD_CDP)
int iscdp;
@@ -964,9 +970,9 @@ NetReceive(uchar *inpkt, int len)
debug_cond(DEBUG_NET_PKT, "packet received\n");
- NetRxPacket = inpkt;
- NetRxPacketLen = len;
- et = (struct ethernet_hdr *)inpkt;
+ net_rx_packet = in_packet;
+ net_rx_packet_len = len;
+ et = (struct ethernet_hdr *)in_packet;
/* too small packet? */
if (len < ETHER_HDR_SIZE)
@@ -974,7 +980,7 @@ NetReceive(uchar *inpkt, int len)
#ifdef CONFIG_API
if (push_packet) {
- (*push_packet)(inpkt, len);
+ (*push_packet)(in_packet, len);
return;
}
#endif
@@ -984,10 +990,10 @@ NetReceive(uchar *inpkt, int len)
iscdp = is_cdp_packet(et->et_dest);
#endif
- myvlanid = ntohs(NetOurVLAN);
+ myvlanid = ntohs(net_our_vlan);
if (myvlanid == (ushort)-1)
myvlanid = VLAN_NONE;
- mynvlanid = ntohs(NetOurNativeVLAN);
+ mynvlanid = ntohs(net_native_vlan);
if (mynvlanid == (ushort)-1)
mynvlanid = VLAN_NONE;
@@ -1001,11 +1007,11 @@ NetReceive(uchar *inpkt, int len)
*/
eth_proto = ntohs(et802->et_prot);
- ip = (struct ip_udp_hdr *)(inpkt + E802_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(in_packet + E802_HDR_SIZE);
len -= E802_HDR_SIZE;
} else if (eth_proto != PROT_VLAN) { /* normal packet */
- ip = (struct ip_udp_hdr *)(inpkt + ETHER_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(in_packet + ETHER_HDR_SIZE);
len -= ETHER_HDR_SIZE;
} else { /* VLAN packet */
@@ -1019,7 +1025,7 @@ NetReceive(uchar *inpkt, int len)
return;
/* if no VLAN active */
- if ((ntohs(NetOurVLAN) & VLAN_IDMASK) == VLAN_NONE
+ if ((ntohs(net_our_vlan) & VLAN_IDMASK) == VLAN_NONE
#if defined(CONFIG_CMD_CDP)
&& iscdp == 0
#endif
@@ -1030,7 +1036,7 @@ NetReceive(uchar *inpkt, int len)
vlanid = cti & VLAN_IDMASK;
eth_proto = ntohs(vet->vet_type);
- ip = (struct ip_udp_hdr *)(inpkt + VLAN_ETHER_HDR_SIZE);
+ ip = (struct ip_udp_hdr *)(in_packet + VLAN_ETHER_HDR_SIZE);
len -= VLAN_ETHER_HDR_SIZE;
}
@@ -1052,9 +1058,8 @@ NetReceive(uchar *inpkt, int len)
}
switch (eth_proto) {
-
case PROT_ARP:
- ArpReceive(et, ip, len);
+ arp_receive(et, ip, len);
break;
#ifdef CONFIG_CMD_RARP
@@ -1067,7 +1072,7 @@ NetReceive(uchar *inpkt, int len)
/* Before we start poking the header, make sure it is there */
if (len < IP_UDP_HDR_SIZE) {
debug("len bad %d < %lu\n", len,
- (ulong)IP_UDP_HDR_SIZE);
+ (ulong)IP_UDP_HDR_SIZE);
return;
}
/* Check the packet length */
@@ -1077,7 +1082,7 @@ NetReceive(uchar *inpkt, int len)
}
len = ntohs(ip->ip_len);
debug_cond(DEBUG_NET_PKT, "len=%d, v=%02x\n",
- len, ip->ip_hl_v & 0xff);
+ len, ip->ip_hl_v & 0xff);
/* Can't deal with anything except IPv4 */
if ((ip->ip_hl_v & 0xf0) != 0x40)
@@ -1091,21 +1096,22 @@ NetReceive(uchar *inpkt, int len)
return;
}
/* If it is not for us, ignore it */
- dst_ip = NetReadIP(&ip->ip_dst);
- if (NetOurIP && dst_ip != NetOurIP && dst_ip != 0xFFFFFFFF) {
+ dst_ip = net_read_ip(&ip->ip_dst);
+ if (net_ip.s_addr && dst_ip.s_addr != net_ip.s_addr &&
+ dst_ip.s_addr != 0xFFFFFFFF) {
#ifdef CONFIG_MCAST_TFTP
- if (Mcast_addr != dst_ip)
+ if (net_mcast_addr != dst_ip)
#endif
return;
}
/* Read source IP address for later use */
- src_ip = NetReadIP(&ip->ip_src);
+ src_ip = net_read_ip(&ip->ip_src);
/*
* The function returns the unchanged packet if it's not
* a fragment, and either the complete packet or NULL if
* it is a fragment (if !CONFIG_IP_DEFRAG, it returns NULL)
*/
- ip = NetDefragment(ip, &len);
+ ip = net_defragment(ip, &len);
if (!ip)
return;
/*
@@ -1137,8 +1143,8 @@ NetReceive(uchar *inpkt, int len)
}
debug_cond(DEBUG_DEV_PKT,
- "received UDP (to=%pI4, from=%pI4, len=%d)\n",
- &dst_ip, &src_ip, len);
+ "received UDP (to=%pI4, from=%pI4, len=%d)\n",
+ &dst_ip, &src_ip, len);
#ifdef CONFIG_UDP_CHECKSUM
if (ip->udp_xsum != 0) {
@@ -1148,13 +1154,13 @@ NetReceive(uchar *inpkt, int len)
xsum = ip->ip_p;
xsum += (ntohs(ip->udp_len));
- xsum += (ntohl(ip->ip_src) >> 16) & 0x0000ffff;
- xsum += (ntohl(ip->ip_src) >> 0) & 0x0000ffff;
- xsum += (ntohl(ip->ip_dst) >> 16) & 0x0000ffff;
- xsum += (ntohl(ip->ip_dst) >> 0) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_src.s_addr) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_src.s_addr) >> 0) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst.s_addr) >> 16) & 0x0000ffff;
+ xsum += (ntohl(ip->ip_dst.s_addr) >> 0) & 0x0000ffff;
sumlen = ntohs(ip->udp_len);
- sumptr = (ushort *) &(ip->udp_src);
+ sumptr = (ushort *)&(ip->udp_src);
while (sumlen > 1) {
ushort sumdata;
@@ -1166,7 +1172,7 @@ NetReceive(uchar *inpkt, int len)
if (sumlen > 0) {
ushort sumdata;
- sumdata = *(unsigned char *) sumptr;
+ sumdata = *(unsigned char *)sumptr;
sumdata = (sumdata << 8) & 0xff00;
xsum += sumdata;
}
@@ -1176,33 +1182,31 @@ NetReceive(uchar *inpkt, int len)
}
if ((xsum != 0x00000000) && (xsum != 0x0000ffff)) {
printf(" UDP wrong checksum %08lx %08x\n",
- xsum, ntohs(ip->udp_xsum));
+ xsum, ntohs(ip->udp_xsum));
return;
}
}
#endif
-
-#if defined (CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
+#if defined(CONFIG_NETCONSOLE) && !(CONFIG_SPL_BUILD)
nc_input_packet((uchar *)ip + IP_UDP_HDR_SIZE,
- src_ip,
- ntohs(ip->udp_dst),
- ntohs(ip->udp_src),
- ntohs(ip->udp_len) - UDP_HDR_SIZE);
+ src_ip,
+ ntohs(ip->udp_dst),
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - UDP_HDR_SIZE);
#endif
/*
- * IP header OK. Pass the packet to the current handler.
+ * IP header OK. Pass the packet to the current handler.
*/
(*udp_packet_handler)((uchar *)ip + IP_UDP_HDR_SIZE,
- ntohs(ip->udp_dst),
- src_ip,
- ntohs(ip->udp_src),
- ntohs(ip->udp_len) - UDP_HDR_SIZE);
+ ntohs(ip->udp_dst),
+ src_ip,
+ ntohs(ip->udp_src),
+ ntohs(ip->udp_len) - UDP_HDR_SIZE);
break;
}
}
-
/**********************************************************************/
static int net_check_prereq(enum proto_t protocol)
@@ -1211,7 +1215,7 @@ static int net_check_prereq(enum proto_t protocol)
/* Fall through */
#if defined(CONFIG_CMD_PING)
case PING:
- if (NetPingIP == 0) {
+ if (net_ping_ip.s_addr == 0) {
puts("*** ERROR: ping address not given\n");
return 1;
}
@@ -1219,7 +1223,7 @@ static int net_check_prereq(enum proto_t protocol)
#endif
#if defined(CONFIG_CMD_SNTP)
case SNTP:
- if (NetNtpServerIP == 0) {
+ if (net_ntp_server.s_addr == 0) {
puts("*** ERROR: NTP server address not given\n");
return 1;
}
@@ -1227,7 +1231,7 @@ static int net_check_prereq(enum proto_t protocol)
#endif
#if defined(CONFIG_CMD_DNS)
case DNS:
- if (NetOurDNSIP == 0) {
+ if (net_dns_server.s_addr == 0) {
puts("*** ERROR: DNS server address not given\n");
return 1;
}
@@ -1236,9 +1240,10 @@ static int net_check_prereq(enum proto_t protocol)
#if defined(CONFIG_CMD_NFS)
case NFS:
#endif
+ /* Fall through */
case TFTPGET:
case TFTPPUT:
- if (NetServerIP == 0) {
+ if (net_server_ip.s_addr == 0) {
puts("*** ERROR: `serverip' not set\n");
return 1;
}
@@ -1250,7 +1255,7 @@ common:
case NETCONS:
case TFTPSRV:
- if (NetOurIP == 0) {
+ if (net_ip.s_addr == 0) {
puts("*** ERROR: `ipaddr' not set\n");
return 1;
}
@@ -1263,7 +1268,7 @@ common:
case CDP:
case DHCP:
case LINKLOCAL:
- if (memcmp(NetOurEther, "\0\0\0\0\0\0", 6) == 0) {
+ if (memcmp(net_ethaddr, "\0\0\0\0\0\0", 6) == 0) {
int num = eth_get_dev_index();
switch (num) {
@@ -1275,11 +1280,11 @@ common:
break;
default:
printf("*** ERROR: `eth%daddr' not set\n",
- num);
+ num);
break;
}
- NetStartAgain();
+ net_start_again();
return 2;
}
/* Fall through */
@@ -1291,11 +1296,11 @@ common:
/**********************************************************************/
int
-NetEthHdrSize(void)
+net_eth_hdr_size(void)
{
ushort myvlanid;
- myvlanid = ntohs(NetOurVLAN);
+ myvlanid = ntohs(net_our_vlan);
if (myvlanid == (ushort)-1)
myvlanid = VLAN_NONE;
@@ -1303,18 +1308,17 @@ NetEthHdrSize(void)
VLAN_ETHER_HDR_SIZE;
}
-int
-NetSetEther(uchar *xet, uchar * addr, uint prot)
+int net_set_ether(uchar *xet, const uchar *dest_ethaddr, uint prot)
{
struct ethernet_hdr *et = (struct ethernet_hdr *)xet;
ushort myvlanid;
- myvlanid = ntohs(NetOurVLAN);
+ myvlanid = ntohs(net_our_vlan);
if (myvlanid == (ushort)-1)
myvlanid = VLAN_NONE;
- memcpy(et->et_dest, addr, 6);
- memcpy(et->et_src, NetOurEther, 6);
+ memcpy(et->et_dest, dest_ethaddr, 6);
+ memcpy(et->et_src, net_ethaddr, 6);
if ((myvlanid & VLAN_IDMASK) == VLAN_NONE) {
et->et_protlen = htons(prot);
return ETHER_HDR_SIZE;
@@ -1334,7 +1338,7 @@ int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot)
ushort protlen;
memcpy(et->et_dest, addr, 6);
- memcpy(et->et_src, NetOurEther, 6);
+ memcpy(et->et_src, net_ethaddr, 6);
protlen = ntohs(et->et_protlen);
if (protlen == PROT_VLAN) {
struct vlan_ethernet_hdr *vet =
@@ -1352,7 +1356,7 @@ int net_update_ether(struct ethernet_hdr *et, uchar *addr, uint prot)
}
}
-void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source)
+void net_set_ip_header(uchar *pkt, struct in_addr dest, struct in_addr source)
{
struct ip_udp_hdr *ip = (struct ip_udp_hdr *)pkt;
@@ -1363,17 +1367,17 @@ void net_set_ip_header(uchar *pkt, IPaddr_t dest, IPaddr_t source)
ip->ip_hl_v = 0x45;
ip->ip_tos = 0;
ip->ip_len = htons(IP_HDR_SIZE);
- ip->ip_id = htons(NetIPID++);
+ ip->ip_id = htons(net_ip_id++);
ip->ip_off = htons(IP_FLAGS_DFRAG); /* Don't fragment */
ip->ip_ttl = 255;
ip->ip_sum = 0;
/* already in network byte order */
- NetCopyIP((void *)&ip->ip_src, &source);
+ net_copy_ip((void *)&ip->ip_src, &source);
/* already in network byte order */
- NetCopyIP((void *)&ip->ip_dst, &dest);
+ net_copy_ip((void *)&ip->ip_dst, &dest);
}
-void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
+void net_set_udp_header(uchar *pkt, struct in_addr dest, int dport, int sport,
int len)
{
struct ip_udp_hdr *ip = (struct ip_udp_hdr *)pkt;
@@ -1386,7 +1390,7 @@ void net_set_udp_header(uchar *pkt, IPaddr_t dest, int dport, int sport,
if (len & 1)
pkt[IP_UDP_HDR_SIZE + len] = 0;
- net_set_ip_header(pkt, dest, NetOurIP);
+ net_set_ip_header(pkt, dest, net_ip);
ip->ip_len = htons(IP_UDP_HDR_SIZE + len);
ip->ip_p = IPPROTO_UDP;
ip->ip_sum = compute_ip_checksum(ip, IP_HDR_SIZE);
@@ -1423,17 +1427,18 @@ unsigned int random_port(void)
}
#endif
-void ip_to_string(IPaddr_t x, char *s)
+void ip_to_string(struct in_addr x, char *s)
{
- x = ntohl(x);
+ x.s_addr = ntohl(x.s_addr);
sprintf(s, "%d.%d.%d.%d",
- (int) ((x >> 24) & 0xff),
- (int) ((x >> 16) & 0xff),
- (int) ((x >> 8) & 0xff), (int) ((x >> 0) & 0xff)
+ (int) ((x.s_addr >> 24) & 0xff),
+ (int) ((x.s_addr >> 16) & 0xff),
+ (int) ((x.s_addr >> 8) & 0xff),
+ (int) ((x.s_addr >> 0) & 0xff)
);
}
-void VLAN_to_string(ushort x, char *s)
+void vlan_to_string(ushort x, char *s)
{
x = ntohs(x);
@@ -1446,7 +1451,7 @@ void VLAN_to_string(ushort x, char *s)
sprintf(s, "%d", x & VLAN_IDMASK);
}
-ushort string_to_VLAN(const char *s)
+ushort string_to_vlan(const char *s)
{
ushort id;
@@ -1461,7 +1466,7 @@ ushort string_to_VLAN(const char *s)
return htons(id);
}
-ushort getenv_VLAN(char *var)
+ushort getenv_vlan(char *var)
{
- return string_to_VLAN(getenv(var));
+ return string_to_vlan(getenv(var));
}
generated by cgit v0.10.2 at 2024-07-07 06:35:42 (GMT)