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typedef uint32_t __u32;
typedef uint16_t __u16;
typedef uint8_t __u8;
static int verbose_messages=0;
static int print_info=0;
static int fatal_condition=0;
static int fw_fatal;
#define tprintf(fmt, a...) \
do { \
if ( verbose_messages ) { \
printf("%s:%d: " fmt "\n", __func__, __LINE__, ##a); \
} \
} \
while(0)
#define eprintf(fmt, a...) \
printf("%s:%d: " fmt "\n", __func__, __LINE__, ##a)
static void cpu_to_be_buf(void *buf, int size)
{
int dw_sz = size >> 2, i;
for (i = 0; i < dw_sz; ++i) {
((__u32 *) buf)[i] = cpu_to_be32(((__u32 *) buf)[i]);
}
}
static void be_to_cpu_buf(void *buf, int size)
{
int dw_sz = size >> 2, i;
u32 *p = buf;
for (i = 0; i < dw_sz; ++i) {
p[i] = be32_to_cpu(p[i]);
}
}
#include "cmdif_mt23108.c"
#include "cmdif_comm.c"
#include "ib_mt23108.c"
#include "ib_mad.c"
#include "ib_driver.c"
#include "ipoib.c"
static int probe_imp(struct pci_device *pci, struct nic *nic)
{
int rc;
if (0 && nic) { /* just to supress warning */
return 0;
}
fatal_condition= 0;
fw_fatal= 0;
tprintf("");
rc = ipoib_init(pci);
if (rc)
return rc;
tprintf("");
return rc;
}
static int disable_imp(void)
{
int rc;
rc = ipoib_close(fw_fatal);
return rc;
}
static int transmit_imp(const char *dest, /* Destination */
unsigned int type, /* Type */
const char *packet, /* Packet */
unsigned int size)
{ /* size */
int rc;
if (fatal_condition) {
/* since the transmit function does not return a value
we return success but do nothing to suppress error messages */
return 0;
}
rc = ipoib_send_packet(dest, type, packet, size);
if (rc) {
printf("*** ERROR IN SEND FLOW ***\n");
printf("restarting Etherboot\n");
sleep(1);
longjmp(restart_etherboot, -1);
/* we should not be here ... */
return -1;
}
return rc;
}
static void hd(void *where, int n)
{
int i;
while (n > 0) {
printf("%X ", where);
for (i = 0; i < ((n > 16) ? 16 : n); i++)
printf(" %hhX", ((char *)where)[i]);
printf("\n");
n -= 16;
where += 16;
}
}
static int poll_imp(struct nic *nic, int retrieve, unsigned int *size_p)
{
static char packet[2048];
static char *last_packet_p = NULL;
static unsigned long last_packet_size;
char *packet_p;
const int eth_header_len = 14;
unsigned int packet_len;
int is_bcast = 0;
__u16 prot, *ptr;
int rc;
if (0 && nic) { /* just to supress warning */
return -1;
}
if (fatal_condition) {
*size_p = 0;
return 0;
}
if (poll_error_buf()) {
fatal_condition= 1;
fw_fatal= 1;
printf("\n *** DEVICE FATAL ERROR ***\n");
goto fatal_handling;
}
else if (drain_eq()) {
fatal_condition= 1;
printf("\n *** FATAL ERROR ***\n");
goto fatal_handling;
}
if (retrieve) {
/* we actually want to read the packet */
if (last_packet_p) {
eprintf("");
/* there is already a packet that was previously read */
memcpy(nic->packet, last_packet_p, last_packet_size);
*size_p = last_packet_size;
last_packet_p = NULL;
return 0;
}
packet_p = nic->packet;
} else {
/* we don't want to read the packet,
just know if there is one. so we
read the packet to a local buffer and
we will return that buffer when the ip layer wants
another packet */
if (last_packet_p) {
/* there is already a packet that
was not consumend */
eprintf("overflow receive packets");
return -1;
}
packet_p = packet;
}
rc = ipoib_read_packet(&prot, packet_p + eth_header_len, &packet_len,
&is_bcast);
if (rc) {
printf("*** FATAL IN RECEIVE FLOW ****\n");
goto fatal_handling;
}
if (packet_len == 0) {
*size_p = 0;
return 0;
}
if (is_bcast) {
int i;
for (i = 0; i < 6; ++i) {
packet_p[i] = 0xff;
}
} else {
packet_p[0] = MLX_ETH_BYTE0;
packet_p[1] = MLX_ETH_BYTE1;
packet_p[2] = MLX_ETH_BYTE2;
packet_p[3] = 0;
packet_p[4] = 0;
packet_p[5] = 0;
}
memset(packet_p + 6, 0, 6);
ptr = (__u16 *) (packet_p + 12);
*ptr = htons(prot);
if (!retrieve) {
last_packet_p = packet;
last_packet_size = packet_len + eth_header_len;
*size_p = 0;
}
*size_p = packet_len + eth_header_len;
tprintf("packet size=%d, prot=%x\n", *size_p, prot);
if (0) {
hd(nic->packet, 42);
}
return 0;
fatal_handling:
printf("restarting Etherboot\n");
sleep(1);
longjmp(restart_etherboot, -1);
/* we should not be here ... */
return -1;
}
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