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-rw-r--r--net/wget.c537
1 files changed, 183 insertions, 354 deletions
diff --git a/net/wget.c b/net/wget.c
index a175533ada9..0b082c61947 100644
--- a/net/wget.c
+++ b/net/wget.c
@@ -22,48 +22,26 @@ DECLARE_GLOBAL_DATA_PTR;
/* The default, change with environment variable 'httpdstp' */
#define SERVER_PORT 80
-static const char bootfileGET[] = "GET ";
-static const char bootfileHEAD[] = "HEAD ";
-static const char bootfile3[] = " HTTP/1.0\r\n\r\n";
-static const char http_eom[] = "\r\n\r\n";
-static const char content_len[] = "Content-Length";
-static const char linefeed[] = "\r\n";
-static int wget_timeout_count;
-struct tcp_stream *tcp;
-
-struct pkt_qd {
- uchar *pkt;
- unsigned int tcp_seq_num;
- unsigned int len;
-};
+#define HASHES_PER_LINE 65
-/*
- * This is a control structure for out of order packets received.
- * The actual packet bufers are in the kernel space, and are
- * expected to be overwritten by the downloaded image.
- */
-#define PKTQ_SZ (PKTBUFSRX / 4)
-static struct pkt_qd pkt_q[PKTQ_SZ];
-static int pkt_q_idx;
-static unsigned long content_length;
-static unsigned int packets;
+#define HTTP_MAX_HDR_LEN 2048
-static unsigned int initial_data_seq_num;
-static unsigned int next_data_seq_num;
+#define HTTP_STATUS_BAD 0
+#define HTTP_STATUS_OK 200
-static enum wget_state current_wget_state;
+static const char http_proto[] = "HTTP/1.0";
+static const char http_eom[] = "\r\n\r\n";
+static const char content_len[] = "Content-Length:";
+static const char linefeed[] = "\r\n";
+static struct in_addr web_server_ip;
+static unsigned int server_port;
+static unsigned long content_length;
+static u32 http_hdr_size, max_rx_pos;
+static int wget_tsize_num_hash;
static char *image_url;
-static unsigned int wget_timeout = WGET_TIMEOUT;
-
static enum net_loop_state wget_loop_state;
-/* Timeout retry parameters */
-static u8 retry_action; /* actions for TCP retry */
-static unsigned int retry_tcp_ack_num; /* TCP retry acknowledge number*/
-static unsigned int retry_tcp_seq_num; /* TCP retry sequence number */
-static int retry_len; /* TCP retry length */
-
/**
* store_block() - store block in memory
* @src: source of data
@@ -73,7 +51,6 @@ static int retry_len; /* TCP retry length */
static inline int store_block(uchar *src, unsigned int offset, unsigned int len)
{
ulong store_addr = image_load_addr + offset;
- ulong newsize = offset + len;
uchar *ptr;
if (CONFIG_IS_ENABLED(LMB) && wget_info->set_bootdev) {
@@ -89,372 +66,217 @@ static inline int store_block(uchar *src, unsigned int offset, unsigned int len)
memcpy(ptr, src, len);
unmap_sysmem(ptr);
- if (net_boot_file_size < (offset + len))
- net_boot_file_size = newsize;
-
return 0;
}
-/**
- * wget_send_stored() - wget response dispatcher
- *
- * WARNING, This, and only this, is the place in wget.c where
- * SEQUENCE NUMBERS are swapped between incoming (RX)
- * and outgoing (TX).
- * Procedure wget_handler() is correct for RX traffic.
- */
-static void wget_send_stored(void)
+static void show_block_marker(u32 packets)
{
- u8 action = retry_action;
- int len = retry_len;
- unsigned int tcp_ack_num = retry_tcp_seq_num + (len == 0 ? 1 : len);
- unsigned int tcp_seq_num = retry_tcp_ack_num;
- uchar *ptr, *offset;
-
- switch (current_wget_state) {
- case WGET_CLOSED:
- debug_cond(DEBUG_WGET, "wget: send SYN\n");
- current_wget_state = WGET_CONNECTING;
- net_send_tcp_packet(0, tcp->rhost, tcp->rport, tcp->lport, action,
- tcp_seq_num, tcp_ack_num);
- packets = 0;
- break;
- case WGET_CONNECTING:
- pkt_q_idx = 0;
- net_send_tcp_packet(0, tcp->rhost, tcp->rport, tcp->lport, action,
- tcp_seq_num, tcp_ack_num);
-
- ptr = net_tx_packet + net_eth_hdr_size() +
- IP_TCP_HDR_SIZE + TCP_TSOPT_SIZE + 2;
- offset = ptr;
-
- switch (wget_info->method) {
- case WGET_HTTP_METHOD_HEAD:
- memcpy(offset, &bootfileHEAD, strlen(bootfileHEAD));
- offset += strlen(bootfileHEAD);
- break;
- case WGET_HTTP_METHOD_GET:
- default:
- memcpy(offset, &bootfileGET, strlen(bootfileGET));
- offset += strlen(bootfileGET);
- break;
- }
+ int cnt;
- memcpy(offset, image_url, strlen(image_url));
- offset += strlen(image_url);
+ if (content_length != -1) {
+ if (net_boot_file_size > content_length)
+ content_length = net_boot_file_size;
- memcpy(offset, &bootfile3, strlen(bootfile3));
- offset += strlen(bootfile3);
- net_send_tcp_packet((offset - ptr), tcp->rhost, tcp->rport, tcp->lport,
- TCP_PUSH, tcp_seq_num, tcp_ack_num);
- current_wget_state = WGET_CONNECTED;
- break;
- case WGET_CONNECTED:
- case WGET_TRANSFERRING:
- case WGET_TRANSFERRED:
- net_send_tcp_packet(0, tcp->rhost, tcp->rport, tcp->lport, action,
- tcp_seq_num, tcp_ack_num);
- break;
+ cnt = net_boot_file_size * 50 / content_length;
+ while (wget_tsize_num_hash < cnt) {
+ putc('#');
+ wget_tsize_num_hash++;
+ }
+ } else {
+ if ((packets % 10) == 0)
+ putc('#');
+ else if (((packets + 1) % (10 * HASHES_PER_LINE)) == 0)
+ puts("\n");
}
}
-static void wget_send(u8 action, unsigned int tcp_seq_num,
- unsigned int tcp_ack_num, int len)
+static void tcp_stream_on_closed(struct tcp_stream *tcp)
{
- retry_action = action;
- retry_tcp_ack_num = tcp_ack_num;
- retry_tcp_seq_num = tcp_seq_num;
- retry_len = len;
+ if (tcp->status != TCP_ERR_OK)
+ wget_loop_state = NETLOOP_FAIL;
+
+ net_set_state(wget_loop_state);
+ if (wget_loop_state != NETLOOP_SUCCESS) {
+ net_boot_file_size = 0;
+ if (wget_info->status_code == HTTP_STATUS_OK) {
+ wget_info->status_code = HTTP_STATUS_BAD;
+ wget_info->hdr_cont_len = 0;
+ if (wget_info->headers)
+ wget_info->headers[0] = 0;
+ }
+ printf("\nwget: Transfer Fail, TCP status - %d\n", tcp->status);
+ return;
+ }
- wget_send_stored();
+ printf("\nPackets received %d, Transfer Successful\n", tcp->rx_packets);
+ wget_info->file_size = net_boot_file_size;
+ if (wget_info->method == WGET_HTTP_METHOD_GET && wget_info->set_bootdev) {
+ efi_set_bootdev("Http", NULL, image_url,
+ map_sysmem(image_load_addr, 0),
+ net_boot_file_size);
+ env_set_hex("filesize", net_boot_file_size);
+ }
}
-void wget_fail(char *error_message, unsigned int tcp_seq_num,
- unsigned int tcp_ack_num, u8 action)
+static void tcp_stream_on_rcv_nxt_update(struct tcp_stream *tcp, u32 rx_bytes)
{
- printf("wget: Transfer Fail - %s\n", error_message);
- net_set_timeout_handler(0, NULL);
- wget_send(action, tcp_seq_num, tcp_ack_num, 0);
-}
+ char *pos, *tail;
+ uchar saved, *ptr;
+ int reply_len;
-/*
- * Interfaces of U-BOOT
- */
-static void wget_timeout_handler(void)
-{
- if (++wget_timeout_count > WGET_RETRY_COUNT) {
- puts("\nRetry count exceeded; starting again\n");
- wget_send(TCP_RST, 0, 0, 0);
- net_start_again();
- } else {
- puts("T ");
- net_set_timeout_handler(wget_timeout +
- WGET_TIMEOUT * wget_timeout_count,
- wget_timeout_handler);
- wget_send_stored();
+ if (http_hdr_size) {
+ net_boot_file_size = rx_bytes - http_hdr_size;
+ show_block_marker(tcp->rx_packets);
+ return;
}
-}
-#define PKT_QUEUE_OFFSET 0x20000
-#define PKT_QUEUE_PACKET_SIZE 0x800
+ ptr = map_sysmem(image_load_addr, rx_bytes + 1);
-static void wget_fill_info(const uchar *pkt, int hlen)
-{
- const char *first_space;
- const char *second_space;
- char *pos, *end;
-
- if (wget_info->headers) {
- if (hlen < MAX_HTTP_HEADERS_SIZE)
- strncpy(wget_info->headers, pkt, hlen);
- else
- hlen = 0;
- wget_info->headers[hlen] = 0;
+ saved = ptr[rx_bytes];
+ ptr[rx_bytes] = '\0';
+ pos = strstr((char *)ptr, http_eom);
+ ptr[rx_bytes] = saved;
+
+ if (!pos) {
+ if (rx_bytes < HTTP_MAX_HDR_LEN &&
+ tcp->state == TCP_ESTABLISHED)
+ goto end;
+
+ printf("ERROR: misssed HTTP header\n");
+ tcp_stream_close(tcp);
+ goto end;
}
- //Get status code
- first_space = strchr(pkt, ' ');
- if (!first_space) {
- wget_info->status_code = -1;
- return;
+ http_hdr_size = pos - (char *)ptr + strlen(http_eom);
+ *pos = '\0';
+
+ if (wget_info->headers && http_hdr_size < MAX_HTTP_HEADERS_SIZE)
+ strcpy(wget_info->headers, ptr);
+
+ /* check for HTTP proto */
+ if (strncasecmp((char *)ptr, "HTTP/", 5)) {
+ debug_cond(DEBUG_WGET, "wget: Connected Bad Xfer "
+ "(no HTTP Status Line found)\n");
+ tcp_stream_close(tcp);
+ goto end;
}
- second_space = strchr(first_space + 1, ' ');
- if (!second_space) {
- wget_info->status_code = -1;
- return;
+ /* get HTTP reply len */
+ pos = strstr((char *)ptr, linefeed);
+ if (pos)
+ reply_len = pos - (char *)ptr;
+ else
+ reply_len = http_hdr_size - strlen(http_eom);
+
+ pos = strchr((char *)ptr, ' ');
+ if (!pos || pos - (char *)ptr > reply_len) {
+ debug_cond(DEBUG_WGET, "wget: Connected Bad Xfer "
+ "(no HTTP Status Code found)\n");
+ tcp_stream_close(tcp);
+ goto end;
}
- wget_info->status_code = (u32)simple_strtoul(first_space + 1, &end, 10);
+ wget_info->status_code = (u32)simple_strtoul(pos + 1, &tail, 10);
+ if (tail == pos + 1 || *tail != ' ') {
+ debug_cond(DEBUG_WGET, "wget: Connected Bad Xfer "
+ "(bad HTTP Status Code)\n");
+ tcp_stream_close(tcp);
+ goto end;
+ }
- if (second_space != end)
- wget_info->status_code = -1;
+ debug_cond(DEBUG_WGET,
+ "wget: HTTP Status Code %d\n", wget_info->status_code);
+
+ if (wget_info->status_code != HTTP_STATUS_OK) {
+ debug_cond(DEBUG_WGET, "wget: Connected Bad Xfer\n");
+ tcp_stream_close(tcp);
+ goto end;
+ }
- pos = strstr((char *)pkt, content_len);
+ debug_cond(DEBUG_WGET, "wget: Connctd pkt %p hlen %x\n",
+ ptr, http_hdr_size);
+ content_length = -1;
+ pos = strstr((char *)ptr, content_len);
if (pos) {
- pos += sizeof(content_len) + 1;
+ pos += strlen(content_len) + 1;
while (*pos == ' ')
pos++;
- content_length = simple_strtoul(pos, &end, 10);
+ content_length = simple_strtoul(pos, &tail, 10);
+ if (*tail != '\r' && *tail != '\n' && *tail != '\0')
+ content_length = -1;
+ }
+
+ if (content_length >= 0) {
debug_cond(DEBUG_WGET,
"wget: Connected Len %lu\n",
content_length);
wget_info->hdr_cont_len = content_length;
}
-}
-static void wget_connected(uchar *pkt, unsigned int tcp_seq_num,
- u8 action, unsigned int tcp_ack_num, unsigned int len)
-{
- uchar *pkt_in_q;
- char *pos;
- int hlen, i;
- uchar *ptr1;
-
- pkt[len] = '\0';
- pos = strstr((char *)pkt, http_eom);
+ net_boot_file_size = rx_bytes - http_hdr_size;
+ memmove(ptr, ptr + http_hdr_size, max_rx_pos + 1 - http_hdr_size);
+ wget_loop_state = NETLOOP_SUCCESS;
- if (!pos) {
- debug_cond(DEBUG_WGET,
- "wget: Connected, data before Header %p\n", pkt);
- pkt_in_q = (void *)image_load_addr + PKT_QUEUE_OFFSET +
- (pkt_q_idx * PKT_QUEUE_PACKET_SIZE);
-
- ptr1 = map_sysmem((ulong)pkt_in_q, len);
- memcpy(ptr1, pkt, len);
- unmap_sysmem(ptr1);
-
- pkt_q[pkt_q_idx].pkt = pkt_in_q;
- pkt_q[pkt_q_idx].tcp_seq_num = tcp_seq_num;
- pkt_q[pkt_q_idx].len = len;
- pkt_q_idx++;
+end:
+ unmap_sysmem(ptr);
+}
- if (pkt_q_idx >= PKTQ_SZ) {
- printf("wget: Fatal error, queue overrun!\n");
- net_set_state(NETLOOP_FAIL);
+static int tcp_stream_rx(struct tcp_stream *tcp, u32 rx_offs, void *buf, int len)
+{
+ if ((max_rx_pos == (u32)(-1)) || (max_rx_pos < rx_offs + len - 1))
+ max_rx_pos = rx_offs + len - 1;
- return;
- }
- } else {
- debug_cond(DEBUG_WGET, "wget: Connected HTTP Header %p\n", pkt);
- /* sizeof(http_eom) - 1 is the string length of (http_eom) */
- hlen = pos - (char *)pkt + sizeof(http_eom) - 1;
- pos = strstr((char *)pkt, linefeed);
- if (pos > 0)
- i = pos - (char *)pkt;
- else
- i = hlen;
- printf("%.*s", i, pkt);
-
- current_wget_state = WGET_TRANSFERRING;
-
- initial_data_seq_num = tcp_seq_num + hlen;
- next_data_seq_num = tcp_seq_num + len;
-
- wget_fill_info(pkt, hlen);
- debug_cond(DEBUG_WGET,
- "wget: HTTP Status Code %d\n", wget_info->status_code);
+ store_block(buf, rx_offs - http_hdr_size, len);
- if (wget_info->status_code != 200) {
- debug_cond(DEBUG_WGET,
- "wget: Connected Bad Xfer\n");
- wget_loop_state = NETLOOP_FAIL;
- wget_send(action, tcp_seq_num, tcp_ack_num, len);
- } else {
- debug_cond(DEBUG_WGET,
- "wget: Connected Pkt %p hlen %x\n",
- pkt, hlen);
-
- net_boot_file_size = 0;
-
- if (len > hlen) {
- if (store_block(pkt + hlen, 0, len - hlen) != 0) {
- wget_loop_state = NETLOOP_FAIL;
- wget_fail("wget: store error\n", tcp_seq_num, tcp_ack_num, action);
- net_set_state(NETLOOP_FAIL);
- return;
- }
- }
-
- for (i = 0; i < pkt_q_idx; i++) {
- int err;
-
- ptr1 = map_sysmem((ulong)pkt_q[i].pkt,
- pkt_q[i].len);
- err = store_block(ptr1,
- pkt_q[i].tcp_seq_num -
- initial_data_seq_num,
- pkt_q[i].len);
- unmap_sysmem(ptr1);
- debug_cond(DEBUG_WGET,
- "wget: Conncted pkt Q %p len %x\n",
- pkt_q[i].pkt, pkt_q[i].len);
- if (err) {
- wget_loop_state = NETLOOP_FAIL;
- wget_fail("wget: store error\n", tcp_seq_num, tcp_ack_num, action);
- net_set_state(NETLOOP_FAIL);
- return;
- }
- }
- }
- }
- wget_send(action, tcp_seq_num, tcp_ack_num, len);
+ return len;
}
-/**
- * wget_handler() - TCP handler of wget
- * @tcp: TCP stream
- * @pkt: pointer to the application packet
- * @tcp_seq_num: TCP sequential number
- * @tcp_ack_num: TCP acknowledgment number
- * @action: TCP action (SYN, ACK, FIN, etc)
- * @len: packet length
- *
- * In the "application push" invocation, the TCP header with all
- * its information is pointed to by the packet pointer.
- */
-static void wget_handler(struct tcp_stream *tcp, uchar *pkt,
- u32 tcp_seq_num, u32 tcp_ack_num,
- u8 action, unsigned int len)
+static int tcp_stream_tx(struct tcp_stream *tcp, u32 tx_offs, void *buf, int maxlen)
{
- enum tcp_state wget_tcp_state = tcp_stream_get_state(tcp);
+ int ret;
+ const char *method;
- net_set_timeout_handler(wget_timeout, wget_timeout_handler);
- packets++;
+ if (tx_offs)
+ return 0;
- switch (current_wget_state) {
- case WGET_CLOSED:
- debug_cond(DEBUG_WGET, "wget: Handler: Error!, State wrong\n");
- break;
- case WGET_CONNECTING:
- debug_cond(DEBUG_WGET,
- "wget: Connecting In len=%x, Seq=%u, Ack=%u\n",
- len, tcp_seq_num, tcp_ack_num);
- if (!len) {
- if (wget_tcp_state == TCP_ESTABLISHED) {
- debug_cond(DEBUG_WGET,
- "wget: Cting, send, len=%x\n", len);
- wget_send(action, tcp_seq_num, tcp_ack_num,
- len);
- } else {
- printf("%.*s", len, pkt);
- wget_fail("wget: Handler Connected Fail\n",
- tcp_seq_num, tcp_ack_num, action);
- }
- }
+ switch (wget_info->method) {
+ case WGET_HTTP_METHOD_HEAD:
+ method = "HEAD";
break;
- case WGET_CONNECTED:
- debug_cond(DEBUG_WGET, "wget: Connected seq=%u, len=%x\n",
- tcp_seq_num, len);
- if (!len) {
- wget_fail("Image not found, no data returned\n",
- tcp_seq_num, tcp_ack_num, action);
- } else {
- wget_connected(pkt, tcp_seq_num, action, tcp_ack_num, len);
- }
+ case WGET_HTTP_METHOD_GET:
+ default:
+ method = "GET";
break;
- case WGET_TRANSFERRING:
- debug_cond(DEBUG_WGET,
- "wget: Transferring, seq=%x, ack=%x,len=%x\n",
- tcp_seq_num, tcp_ack_num, len);
+ }
- if (next_data_seq_num != tcp_seq_num) {
- debug_cond(DEBUG_WGET, "wget: seq=%x packet was lost\n", next_data_seq_num);
- return;
- }
- next_data_seq_num = tcp_seq_num + len;
+ ret = snprintf(buf, maxlen, "%s %s %s\r\n\r\n",
+ method, image_url, http_proto);
- if (store_block(pkt, tcp_seq_num - initial_data_seq_num, len) != 0) {
- wget_fail("wget: store error\n",
- tcp_seq_num, tcp_ack_num, action);
- net_set_state(NETLOOP_FAIL);
- return;
- }
+ return ret;
+}
- switch (wget_tcp_state) {
- case TCP_FIN_WAIT_2:
- wget_send(TCP_ACK, tcp_seq_num, tcp_ack_num, len);
- fallthrough;
- case TCP_SYN_SENT:
- case TCP_SYN_RECEIVED:
- case TCP_CLOSING:
- case TCP_FIN_WAIT_1:
- case TCP_CLOSED:
- net_set_state(NETLOOP_FAIL);
- break;
- case TCP_ESTABLISHED:
- wget_send(TCP_ACK, tcp_seq_num, tcp_ack_num,
- len);
- wget_loop_state = NETLOOP_SUCCESS;
- break;
- case TCP_CLOSE_WAIT: /* End of transfer */
- current_wget_state = WGET_TRANSFERRED;
- wget_send(action | TCP_ACK | TCP_FIN,
- tcp_seq_num, tcp_ack_num, len);
- break;
- }
- break;
- case WGET_TRANSFERRED:
- printf("Packets received %d, Transfer Successful\n", packets);
- net_set_state(wget_loop_state);
- wget_info->file_size = net_boot_file_size;
- if (wget_info->method == WGET_HTTP_METHOD_GET && wget_info->set_bootdev) {
- efi_set_bootdev("Http", NULL, image_url,
- map_sysmem(image_load_addr, 0),
- net_boot_file_size);
- env_set_hex("filesize", net_boot_file_size);
- }
- break;
- }
+static int tcp_stream_on_create(struct tcp_stream *tcp)
+{
+ if (tcp->rhost.s_addr != web_server_ip.s_addr ||
+ tcp->rport != server_port)
+ return 0;
+
+ tcp->max_retry_count = WGET_RETRY_COUNT;
+ tcp->initial_timeout = WGET_TIMEOUT;
+ tcp->on_closed = tcp_stream_on_closed;
+ tcp->on_rcv_nxt_update = tcp_stream_on_rcv_nxt_update;
+ tcp->rx = tcp_stream_rx;
+ tcp->tx = tcp_stream_tx;
+
+ return 1;
}
#define BLOCKSIZE 512
void wget_start(void)
{
- struct in_addr web_server_ip;
- unsigned int server_port;
+ struct tcp_stream *tcp;
if (!wget_info)
wget_info = &default_wget_info;
@@ -496,12 +318,6 @@ void wget_start(void)
debug_cond(DEBUG_WGET,
"\nwget:Load address: 0x%lx\nLoading: *\b", image_load_addr);
- net_set_timeout_handler(wget_timeout, wget_timeout_handler);
- tcp_set_tcp_handler(wget_handler);
-
- wget_timeout_count = 0;
- current_wget_state = WGET_CLOSED;
-
/*
* Zero out server ether to force arp resolution in case
* the server ip for the previous u-boot command, for example dns
@@ -510,14 +326,27 @@ void wget_start(void)
memset(net_server_ethaddr, 0, 6);
+ max_rx_pos = (u32)(-1);
+ net_boot_file_size = 0;
+ http_hdr_size = 0;
+ wget_tsize_num_hash = 0;
+ wget_loop_state = NETLOOP_FAIL;
+
+ wget_info->status_code = HTTP_STATUS_BAD;
+ wget_info->file_size = 0;
+ wget_info->hdr_cont_len = 0;
+ if (wget_info->headers)
+ wget_info->headers[0] = 0;
+
server_port = env_get_ulong("httpdstp", 10, SERVER_PORT) & 0xffff;
+ tcp_stream_set_on_create_handler(tcp_stream_on_create);
tcp = tcp_stream_connect(web_server_ip, server_port);
if (!tcp) {
+ printf("No free tcp streams\n");
net_set_state(NETLOOP_FAIL);
return;
}
-
- wget_send(TCP_SYN, 0, 0, 0);
+ tcp_stream_put(tcp);
}
int wget_do_request(ulong dst_addr, char *uri)
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-17 03:01:50 +0000