tftp.c (format_request): pass opcode as argument

diff --git a/software/bios/tftp.c b/software/bios/tftp.c
index e1a8fb529dd5a2dd6fc0147e10a705b90044d721..ff34cc2430a5e9a1cba989704628c03806c5ee37 100644 (file)
--- a/software/bios/tftp.c
+++ b/software/bios/tftp.c
@@ -15,12 +15,12 @@ enum {
        TFTP_ERROR      = 5,    /* Error */
 };
 
-static int format_request(uint8_t *buf, const char *filename)
+static int format_request(uint8_t *buf, uint16_t op, const char *filename)
 {
        int len = strlen(filename);
 
-       *buf++ = 0x00; /* Opcode: Request */
-       *buf++ = TFTP_RRQ;
+       *buf++ = op >> 8; /* Opcode */
+       *buf++ = op;
        memcpy(buf, filename, len);
        buf += len;
        *buf++ = 0x00;
@@ -98,7 +98,7 @@ int tftp_get(uint32_t ip, const char *filename, void *buffer)
        transfer_finished = 0;
        tries = 5;
        while(1) {
-               len = format_request(packet_data, filename);
+               len = format_request(packet_data, TFTP_RRQ, filename);
                microudp_send(PORT_IN, PORT_OUT, len);
                for(i=0;i<2000000;i++) {
                        microudp_service();