unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb)
{
switch (skb->protocol) {
case __cpu_to_be16(ETH_P_8021Q):
return VLAN_HLEN;
case __cpu_to_be16(ETH_P_PPP_SES):
return PPPOE_SES_HLEN;
default:
return 0;
}
}
static int sipc4_netif_rx(struct net_device *dev, struct sk_buff *skb, int res)
{
struct phonethdr *ph;
int err;
skb->protocol = htons(ETH_P_PHONET);
ph = (struct phonethdr *)skb_push(skb,
sizeof(struct phonethdr));
ph->pn_rdev = dev->dev_addr[0];
ph->pn_sdev = 0;
ph->pn_res = res;
ph->pn_length =
__cpu_to_be16(skb->len + 2 - sizeof(*ph));
ph->pn_robj = 0;
ph->pn_sobj = 0;
skb->dev = dev;
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;
skb_reset_mac_header(skb);
err = netif_rx(skb);
if (err != NET_RX_SUCCESS)
dev_err(&dev->dev, "rx error: %d\n", err);
return err;
}
int tea5764_i2c_write(struct tea5764_device *radio)
{
struct tea5764_write_regs wr;
struct tea5764_regs *r = &radio->regs;
struct i2c_msg msgs[1] = {
{ radio->i2c_client->addr, 0, sizeof(wr), (void *) &wr },
};
wr.intreg = r->intreg & 0xff;
wr.frqset = __cpu_to_be16(r->frqset);
wr.tnctrl = __cpu_to_be16(r->tnctrl);
wr.testreg = __cpu_to_be16(r->testreg);
wr.rdsctrl = __cpu_to_be16(r->rdsctrl);
wr.rdsbbl = __cpu_to_be16(r->rdsbbl);
if (i2c_transfer(radio->i2c_client->adapter, msgs, 1) != 1)
return -EIO;
return 0;
}
/*
* Prepends an ISI header and sends a datagram.
*/
static int pn_send(struct sk_buff *skb, struct net_device *dev,
u16 dst, u16 src, u8 res, u8 irq)
{
struct phonethdr *ph;
int err;
if (skb->len + 2 > 0xffff /* Phonet length field limit */ ||
skb->len + sizeof(struct phonethdr) > dev->mtu) {
err = -EMSGSIZE;
goto drop;
}
/* Broadcast sending is not implemented */
if (pn_addr(dst) == PNADDR_BROADCAST) {
err = -EOPNOTSUPP;
goto drop;
}
skb_reset_transport_header(skb);
WARN_ON(skb_headroom(skb) & 1); /* HW assumes word alignment */
skb_push(skb, sizeof(struct phonethdr));
skb_reset_network_header(skb);
ph = pn_hdr(skb);
ph->pn_rdev = pn_dev(dst);
ph->pn_sdev = pn_dev(src);
ph->pn_res = res;
ph->pn_length = __cpu_to_be16(skb->len + 2 - sizeof(*ph));
ph->pn_robj = pn_obj(dst);
ph->pn_sobj = pn_obj(src);
skb->protocol = htons(ETH_P_PHONET);
skb->priority = 0;
skb->dev = dev;
if (pn_addr(src) == pn_addr(dst)) {
skb_reset_mac_header(skb);
skb->pkt_type = PACKET_LOOPBACK;
skb_orphan(skb);
if (irq)
netif_rx(skb);
else
netif_rx_ni(skb);
err = 0;
} else {
err = dev_hard_header(skb, dev, ntohs(skb->protocol),
NULL, NULL, skb->len);
if (err < 0) {
err = -EHOSTUNREACH;
goto drop;
}
err = dev_queue_xmit(skb);
}
return err;
drop:
kfree_skb(skb);
return err;
}
int Packet::BuildPacket(BYTE btAddr, BYTE btCmd, WORD wRegAddr, WORD wRegAddrCount, void *pData, BYTE btLen)
{
m_btAddr = btAddr;
m_btCmd = btCmd;
*(WORD *)&m_Data[0] = __cpu_to_be16(wRegAddr);
*(WORD *)&m_Data[2] = __cpu_to_be16(wRegAddrCount);
int nPacketLen = 6;
// copy data
if (pData != NULL)
{
m_Data[4] = btLen;
memcpy(&m_Data[5], pData, btLen);
nPacketLen += (btLen+1);
}
// checksum
*(WORD *)(&m_btAddr+nPacketLen) = __cpu_to_le16(CheckSUM(&m_btAddr, nPacketLen));
nPacketLen += 2;
// return all packet length
return nPacketLen;
}
static void write_val16(__u16 *adr, __u16 val)
{
switch(endian) {
case ENDIAN_HOST:
*adr = val;
break;
case ENDIAN_LITTLE:
*adr = __cpu_to_le16(val);
break;
case ENDIAN_BIG:
*adr = __cpu_to_be16(val);
break;
}
}
static int sipc4_netif_rx(struct net_device *dev, struct sk_buff *skb, int res)
{
struct phonethdr *ph;
int err;
skb->protocol = htons(ETH_P_PHONET);
ph = (struct phonethdr *)skb_push(skb,
sizeof(struct phonethdr));
ph->pn_rdev = dev->dev_addr[0];
ph->pn_sdev = 0;
ph->pn_res = res;
ph->pn_length =
__cpu_to_be16(skb->len + 2 - sizeof(*ph));
ph->pn_robj = 0;
ph->pn_sobj = 0;
skb->dev = dev;
dev->stats.rx_packets++;
dev->stats.rx_bytes += skb->len;
skb_reset_mac_header(skb);
#if 0
int i;
char str[1024];
int len = 0;
int maxlen = skb->len > 256 ? 256 : skb->len;
printk(KERN_INFO "[SIPC] size: %d\n", skb->len);
for (i = 0 ; i < maxlen ; i++)
len += sprintf(str + len, "%02x ", skb->data[i]);
if (maxlen != 256)
sprintf(str + len, "\n");
else
sprintf(str + len, "...\n");
printk(KERN_INFO "%s", str);
#endif
err = netif_rx(skb);
if (err != NET_RX_SUCCESS)
dev_err(&dev->dev, "rx error: %d\n", err);
return err;
}
/*
* si470x_set_register - write register
*/
int si470x_set_register(struct si470x_device *radio, int regnr)
{
int i;
u16 buf[WRITE_REG_NUM];
struct i2c_msg msgs[1] = {
{ radio->client->addr, 0, sizeof(u16) * WRITE_REG_NUM,
(void *)buf },
};
for (i = 0; i < WRITE_REG_NUM; i++)
buf[i] = __cpu_to_be16(radio->registers[WRITE_INDEX(i)]);
if (i2c_transfer(radio->client->adapter, msgs, 1) != 1)
return -EIO;
return 0;
}
static int
aoehdr_atainit(struct aoedev *d, struct aoe_hdr *h)
{
u16 type = __constant_cpu_to_be16(ETH_P_AOE);
u16 aoemajor = __cpu_to_be16(d->aoemajor);
u32 host_tag = newtag(d);
u32 tag = __cpu_to_be32(host_tag);
memcpy(h->src, d->ifp->dev_addr, sizeof h->src);
memcpy(h->dst, d->addr, sizeof h->dst);
memcpy(h->type, &type, sizeof type);
h->verfl = AOE_HVER;
memcpy(h->major, &aoemajor, sizeof aoemajor);
h->minor = d->aoeminor;
h->cmd = AOECMD_ATA;
memcpy(h->tag, &tag, sizeof tag);
return host_tag;
}
const void *build_llc_header(size_t *len)
{
struct llc_header *header = NULL;
const void *buf = NULL;
buf = malloc(sizeof(struct llc_header));
if(buf)
{
*len = sizeof(struct llc_header);
memset((void *) buf, 0, sizeof(struct llc_header));
header = (struct llc_header *) buf;
header->dsap = LLC_SNAP;
header->ssap = LLC_SNAP;
header->control_field = UNNUMBERED_FRAME;
header->type = __cpu_to_be16(DOT1X_AUTHENTICATION);
}
return buf;
}
/* returns 1 if this was a spectral frame, even if not handled. */
int ath_process_fft(struct ath_softc *sc, struct ieee80211_hdr *hdr,
struct ath_rx_status *rs, u64 tsf)
{
struct ath_hw *ah = sc->sc_ah;
u8 num_bins, *bins, *vdata = (u8 *)hdr;
struct fft_sample_ht20 fft_sample_20;
struct fft_sample_ht20_40 fft_sample_40;
struct fft_sample_tlv *tlv;
struct ath_radar_info *radar_info;
int len = rs->rs_datalen;
int dc_pos;
u16 fft_len, length, freq = ah->curchan->chan->center_freq;
enum nl80211_channel_type chan_type;
/* AR9280 and before report via ATH9K_PHYERR_RADAR, AR93xx and newer
* via ATH9K_PHYERR_SPECTRAL. Haven't seen ATH9K_PHYERR_FALSE_RADAR_EXT
* yet, but this is supposed to be possible as well.
*/
if (rs->rs_phyerr != ATH9K_PHYERR_RADAR &&
rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT &&
rs->rs_phyerr != ATH9K_PHYERR_SPECTRAL)
return 0;
/* check if spectral scan bit is set. This does not have to be checked
* if received through a SPECTRAL phy error, but shouldn't hurt.
*/
radar_info = ((struct ath_radar_info *)&vdata[len]) - 1;
if (!(radar_info->pulse_bw_info & SPECTRAL_SCAN_BITMASK))
return 0;
chan_type = cfg80211_get_chandef_type(&sc->hw->conf.chandef);
if ((chan_type == NL80211_CHAN_HT40MINUS) ||
(chan_type == NL80211_CHAN_HT40PLUS)) {
fft_len = SPECTRAL_HT20_40_TOTAL_DATA_LEN;
num_bins = SPECTRAL_HT20_40_NUM_BINS;
bins = (u8 *)fft_sample_40.data;
} else {
fft_len = SPECTRAL_HT20_TOTAL_DATA_LEN;
num_bins = SPECTRAL_HT20_NUM_BINS;
bins = (u8 *)fft_sample_20.data;
}
/* Variation in the data length is possible and will be fixed later */
if ((len > fft_len + 2) || (len < fft_len - 1))
return 1;
switch (len - fft_len) {
case 0:
/* length correct, nothing to do. */
memcpy(bins, vdata, num_bins);
break;
case -1:
/* first byte missing, duplicate it. */
memcpy(&bins[1], vdata, num_bins - 1);
bins[0] = vdata[0];
break;
case 2:
/* MAC added 2 extra bytes at bin 30 and 32, remove them. */
memcpy(bins, vdata, 30);
bins[30] = vdata[31];
memcpy(&bins[31], &vdata[33], num_bins - 31);
break;
case 1:
/* MAC added 2 extra bytes AND first byte is missing. */
bins[0] = vdata[0];
memcpy(&bins[1], vdata, 30);
bins[31] = vdata[31];
memcpy(&bins[32], &vdata[33], num_bins - 32);
break;
default:
return 1;
}
/* DC value (value in the middle) is the blind spot of the spectral
* sample and invalid, interpolate it.
*/
dc_pos = num_bins / 2;
bins[dc_pos] = (bins[dc_pos + 1] + bins[dc_pos - 1]) / 2;
if ((chan_type == NL80211_CHAN_HT40MINUS) ||
(chan_type == NL80211_CHAN_HT40PLUS)) {
s8 lower_rssi, upper_rssi;
s16 ext_nf;
u8 lower_max_index, upper_max_index;
u8 lower_bitmap_w, upper_bitmap_w;
u16 lower_mag, upper_mag;
struct ath9k_hw_cal_data *caldata = ah->caldata;
struct ath_ht20_40_mag_info *mag_info;
if (caldata)
ext_nf = ath9k_hw_getchan_noise(ah, ah->curchan,
caldata->nfCalHist[3].privNF);
else
ext_nf = ATH_DEFAULT_NOISE_FLOOR;
length = sizeof(fft_sample_40) - sizeof(struct fft_sample_tlv);
fft_sample_40.tlv.type = ATH_FFT_SAMPLE_HT20_40;
fft_sample_40.tlv.length = __cpu_to_be16(length);
fft_sample_40.freq = __cpu_to_be16(freq);
fft_sample_40.channel_type = chan_type;
if (chan_type == NL80211_CHAN_HT40PLUS) {
lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);
upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]);
fft_sample_40.lower_noise = ah->noise;
fft_sample_40.upper_noise = ext_nf;
} else {
lower_rssi = fix_rssi_inv_only(rs->rs_rssi_ext[0]);
upper_rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);
fft_sample_40.lower_noise = ext_nf;
fft_sample_40.upper_noise = ah->noise;
}
fft_sample_40.lower_rssi = lower_rssi;
fft_sample_40.upper_rssi = upper_rssi;
mag_info = ((struct ath_ht20_40_mag_info *)radar_info) - 1;
lower_mag = spectral_max_magnitude(mag_info->lower_bins);
upper_mag = spectral_max_magnitude(mag_info->upper_bins);
fft_sample_40.lower_max_magnitude = __cpu_to_be16(lower_mag);
fft_sample_40.upper_max_magnitude = __cpu_to_be16(upper_mag);
lower_max_index = spectral_max_index(mag_info->lower_bins);
upper_max_index = spectral_max_index(mag_info->upper_bins);
fft_sample_40.lower_max_index = lower_max_index;
fft_sample_40.upper_max_index = upper_max_index;
lower_bitmap_w = spectral_bitmap_weight(mag_info->lower_bins);
upper_bitmap_w = spectral_bitmap_weight(mag_info->upper_bins);
fft_sample_40.lower_bitmap_weight = lower_bitmap_w;
fft_sample_40.upper_bitmap_weight = upper_bitmap_w;
fft_sample_40.max_exp = mag_info->max_exp & 0xf;
fft_sample_40.tsf = __cpu_to_be64(tsf);
tlv = (struct fft_sample_tlv *)&fft_sample_40;
} else {
u8 max_index, bitmap_w;
u16 magnitude;
struct ath_ht20_mag_info *mag_info;
length = sizeof(fft_sample_20) - sizeof(struct fft_sample_tlv);
fft_sample_20.tlv.type = ATH_FFT_SAMPLE_HT20;
fft_sample_20.tlv.length = __cpu_to_be16(length);
fft_sample_20.freq = __cpu_to_be16(freq);
fft_sample_20.rssi = fix_rssi_inv_only(rs->rs_rssi_ctl[0]);
fft_sample_20.noise = ah->noise;
mag_info = ((struct ath_ht20_mag_info *)radar_info) - 1;
magnitude = spectral_max_magnitude(mag_info->all_bins);
fft_sample_20.max_magnitude = __cpu_to_be16(magnitude);
max_index = spectral_max_index(mag_info->all_bins);
fft_sample_20.max_index = max_index;
bitmap_w = spectral_bitmap_weight(mag_info->all_bins);
fft_sample_20.bitmap_weight = bitmap_w;
fft_sample_20.max_exp = mag_info->max_exp & 0xf;
fft_sample_20.tsf = __cpu_to_be64(tsf);
tlv = (struct fft_sample_tlv *)&fft_sample_20;
}
ath_debug_send_fft_sample(sc, tlv);
return 1;
}
/*
* Flattened Device Tree command, see the help for parameter definitions.
*/
int do_fdt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
{
char op;
if (argc < 2) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Figure out which subcommand was given
*/
op = argv[1][0];
/********************************************************************
* Set the address of the fdt
********************************************************************/
if (op == 'a') {
/*
* Set the address [and length] of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
if (argc >= 4) {
int len;
int err;
/*
* Optional new length
*/
len = simple_strtoul(argv[3], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, ignoring.\n",
len, fdt_totalsize(fdt));
} else {
/*
* Open in place with a new length.
*/
err = fdt_open_into(fdt, fdt, len);
if (err != 0) {
printf ("libfdt: %s\n", fdt_strerror(err));
}
}
}
/********************************************************************
* Move the fdt
********************************************************************/
} else if (op == 'm' && argv[1][1] == 'o') {
struct fdt_header *newaddr;
int len;
int err;
if (argc != 5) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* Set the address and length of the fdt.
*/
fdt = (struct fdt_header *)simple_strtoul(argv[2], NULL, 16);
if (!fdt_valid()) {
return 1;
}
newaddr = (struct fdt_header *)simple_strtoul(argv[3], NULL, 16);
len = simple_strtoul(argv[4], NULL, 16);
if (len < fdt_totalsize(fdt)) {
printf ("New length %d < existing length %d, aborting.\n",
len, fdt_totalsize(fdt));
return 1;
}
/*
* Copy to the new location.
*/
err = fdt_open_into(fdt, newaddr, len);
if (err != 0) {
printf ("libfdt: %s\n", fdt_strerror(err));
return 1;
}
fdt = newaddr;
/********************************************************************
* mknode
********************************************************************/
} else if (op == 'm' && argv[1][1] == 'k') {
char *pathp = argv[2];
char *node = argv[3];
int nodeoffset;
if (argc != 4) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
/*
* See if the node already exists
*/
if (strcmp(pathp, "/") == 0)
nodeoffset = 0;
else
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
printf("parent node %s doesn't exist\n", pathp);
return 1;
}
/*
* Create the new node
*/
nodeoffset = fdt_add_subnode(fdt, nodeoffset, node);
if (nodeoffset < 0) {
printf("libfdt: %s\n", fdt_strerror(nodeoffset));
return 1;
}
/********************************************************************
* Set the value of a node in the fdt.
********************************************************************/
} else if (op == 's') {
char *pathp; /* path */
char *prop; /* property */
struct fdt_property *nodep; /* node struct pointer */
char *newval; /* value from the user (as a string) */
char *vp; /* temporary value pointer */
char *cp; /* temporary char pointer */
int nodeoffset; /* node offset from libfdt */
int len; /* new length of the property */
int oldlen; /* original length of the property */
unsigned long tmp; /* holds converted values */
int ret; /* return value */
/*
* Parameters: Node path, property, value.
*/
if (argc < 5) {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
pathp = argv[2];
prop = argv[3];
newval = argv[4];
if (strcmp(pathp, "/") == 0) {
nodeoffset = 0;
} else {
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt: %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
nodep = fdt_getprop (fdt, nodeoffset, prop, &oldlen);
if (oldlen == 0) {
/*
* The specified property has no value
*/
printf("%s has no value, cannot set one (yet).\n", prop);
return 1;
} else {
/*
* Convert the new property
*/
vp = data;
if (*newval == '<') {
/*
* Bigger values than bytes.
*/
len = 0;
newval++;
while ((*newval != '>') && (*newval != '\0')) {
cp = newval;
tmp = simple_strtoul(cp, &newval, 16);
if ((newval - cp) <= 2) {
*vp = tmp & 0xFF;
vp += 1;
len += 1;
} else if ((newval - cp) <= 4) {
*(uint16_t *)vp = __cpu_to_be16(tmp);
vp += 2;
len += 2;
} else if ((newval - cp) <= 8) {
*(uint32_t *)vp = __cpu_to_be32(tmp);
vp += 4;
len += 4;
} else {
printf("Sorry, I could not convert \"%s\"\n", cp);
return 1;
}
while (*newval == ' ')
newval++;
}
if (*newval != '>') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else if (*newval == '[') {
/*
* Byte stream. Convert the values.
*/
len = 0;
newval++;
while ((*newval != ']') && (*newval != '\0')) {
tmp = simple_strtoul(newval, &newval, 16);
*vp++ = tmp & 0xFF;
len++;
while (*newval == ' ')
newval++;
}
if (*newval != ']') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else {
/*
* Assume it is a string. Copy it into our data area for
* convenience (including the terminating '\0').
*/
len = strlen(newval) + 1;
strcpy(data, newval);
}
ret = fdt_setprop(fdt, nodeoffset, prop, data, len);
if (ret < 0) {
printf ("libfdt %s\n", fdt_strerror(ret));
return 1;
}
}
/********************************************************************
* Print (recursive) / List (single level)
********************************************************************/
} else if ((op == 'p') || (op == 'l')) {
/*
* Recursively print (a portion of) the fdt.
*/
static int offstack[MAX_LEVEL];
static char tabs[MAX_LEVEL+1] = "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
int depth = MAX_LEVEL; /* how deep to print */
char *pathp; /* path */
char *prop; /* property */
void *nodep; /* property node pointer */
int nodeoffset; /* node offset from libfdt */
int nextoffset; /* next node offset from libfdt */
uint32_t tag; /* tag */
int len; /* length of the property */
int level = 0; /* keep track of nesting level */
/*
* list is an alias for print, but limited to 1 level
*/
if (op == 'l') {
depth = 1;
}
/*
* Get the starting path. The root node is an oddball,
* the offset is zero and has no name.
*/
pathp = argv[2];
if (argc > 3)
prop = argv[3];
else
prop = NULL;
if (strcmp(pathp, "/") == 0) {
nodeoffset = 0;
printf("/");
} else {
nodeoffset = fdt_path_offset (fdt, pathp);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
/*
* The user passed in a property as well as node path. Print only
* the given property and then return.
*/
if (prop) {
nodep = fdt_getprop (fdt, nodeoffset, prop, &len);
if (len == 0) {
printf("%s %s\n", pathp, prop); /* no property value */
return 0;
} else if (len > 0) {
printf("%s=", prop);
print_data (nodep, len);
printf("\n");
return 0;
} else {
printf ("libfdt %s\n", fdt_strerror(len));
return 1;
}
}
/*
* The user passed in a node path and no property, print the node
* and all subnodes.
*/
offstack[0] = nodeoffset;
while(level >= 0) {
tag = fdt_next_tag(fdt, nodeoffset, &nextoffset, &pathp);
switch(tag) {
case FDT_BEGIN_NODE:
if(level <= depth)
printf("%s%s {\n", &tabs[MAX_LEVEL - level], pathp);
level++;
offstack[level] = nodeoffset;
if (level >= MAX_LEVEL) {
printf("Aaaiii <splat> nested too deep.\n");
return 1;
}
break;
case FDT_END_NODE:
level--;
if(level <= depth)
printf("%s};\n", &tabs[MAX_LEVEL - level]);
if (level == 0) {
level = -1; /* exit the loop */
}
break;
case FDT_PROP:
nodep = fdt_getprop (fdt, offstack[level], pathp, &len);
if (len < 0) {
printf ("libfdt %s\n", fdt_strerror(len));
return 1;
} else if (len == 0) {
/* the property has no value */
if(level <= depth)
printf("%s%s;\n", &tabs[MAX_LEVEL - level], pathp);
} else {
if(level <= depth) {
printf("%s%s=", &tabs[MAX_LEVEL - level], pathp);
print_data (nodep, len);
printf(";\n");
}
}
break;
case FDT_NOP:
break;
case FDT_END:
return 1;
default:
if(level <= depth)
printf("Unknown tag 0x%08X\n", tag);
return 1;
}
nodeoffset = nextoffset;
}
/********************************************************************
* Remove a property/node
********************************************************************/
} else if (op == 'r') {
int nodeoffset; /* node offset from libfdt */
int err;
/*
* Get the path. The root node is an oddball, the offset
* is zero and has no name.
*/
if (strcmp(argv[2], "/") == 0) {
nodeoffset = 0;
} else {
nodeoffset = fdt_path_offset (fdt, argv[2]);
if (nodeoffset < 0) {
/*
* Not found or something else bad happened.
*/
printf ("libfdt %s\n", fdt_strerror(nodeoffset));
return 1;
}
}
/*
* Do the delete. A fourth parameter means delete a property,
* otherwise delete the node.
*/
if (argc > 3) {
err = fdt_delprop(fdt, nodeoffset, argv[3]);
if (err < 0) {
printf("fdt_delprop libfdt: %s\n", fdt_strerror(err));
return err;
}
} else {
err = fdt_del_node(fdt, nodeoffset);
if (err < 0) {
printf("fdt_del_node libfdt: %s\n", fdt_strerror(err));
return err;
}
}
/********************************************************************
* Create a chosen node
********************************************************************/
} else if (op == 'c') {
fdt_chosen(fdt, 0, 0, 1);
#ifdef CONFIG_OF_HAS_UBOOT_ENV
/********************************************************************
* Create a u-boot-env node
********************************************************************/
} else if (op == 'e') {
fdt_env(fdt);
#endif
#ifdef CONFIG_OF_HAS_BD_T
/********************************************************************
* Create a bd_t node
********************************************************************/
} else if (op == 'b') {
fdt_bd_t(fdt);
#endif
/********************************************************************
* Unrecognized command
********************************************************************/
} else {
printf ("Usage:\n%s\n", cmdtp->usage);
return 1;
}
return 0;
}
/* This function writes a chunks of data. A data chunk consists of a
raw inode, perhaps a name and perhaps some data. */
void
write_file(struct jffs_file *f, FILE *fs, struct stat st)
{
int npad = JFFS_GET_PAD_BYTES(f->inode.nsize);
int dpad = JFFS_GET_PAD_BYTES(read_val32(&f->inode.dsize));
int size = sizeof(struct jffs_raw_inode) + f->inode.nsize + npad
+ read_val32(&f->inode.dsize) + dpad;
unsigned char ff_data[] = { 0xff, 0xff, 0xff, 0xff };
if (verbose >= 2)
{
fprintf(stderr, "***write_file()\n");
}
/* Write the raw inode. */
fwrite((void *)&f->inode, sizeof(struct jffs_raw_inode), 1, fs);
/* Write the name. */
if (f->inode.nsize)
{
fwrite(f->name, 1, f->inode.nsize, fs);
if (npad)
{
fwrite(ff_data, 1, npad, fs);
}
}
/* Write the data. */
if (read_val32(&f->inode.dsize))
{
if (S_ISBLK(st.st_mode) || S_ISCHR(st.st_mode))
{
__u16 tmp;
switch(endian) {
case ENDIAN_HOST:
tmp = st.st_rdev;
break;
case ENDIAN_LITTLE:
tmp = __cpu_to_le16(st.st_rdev);
break;
case ENDIAN_BIG:
tmp = __cpu_to_be16(st.st_rdev);
break;
}
fwrite((char *)&tmp, sizeof(st.st_rdev) / 4, 1, fs);
}
else
{
fwrite(f->data, 1, read_val32(&f->inode.dsize), fs);
}
if (dpad)
{
fwrite(ff_data, 1, dpad, fs);
}
}
fs_pos += size;
/* If the space left on the block is smaller than the size of an
inode, then skip it. */
}
u16 htons(u16 hostshort)
{
return __cpu_to_be16(hostshort);
}
/*
* Prepends an ISI header and sends a datagram.
*/
static int pn_send(struct sk_buff *skb, struct net_device *dev,
u16 dst, u16 src, u8 res, u8 irq)
{
struct phonethdr *ph;
int err, i;
if (skb->len + 2 > 0xffff /* Phonet length field limit */ ||
skb->len + sizeof(struct phonethdr) > dev->mtu) {
err = -EMSGSIZE;
goto drop;
}
/* Broadcast sending is not implemented */
if (pn_addr(dst) == PNADDR_BROADCAST) {
err = -EOPNOTSUPP;
goto drop;
}
skb_reset_transport_header(skb);
WARN_ON(skb_headroom(skb) & 1); /* HW assumes word alignment */
skb_push(skb, sizeof(struct phonethdr));
skb_reset_network_header(skb);
ph = pn_hdr(skb);
ph->pn_rdev = pn_dev(dst);
ph->pn_sdev = pn_dev(src);
ph->pn_res = res;
ph->pn_length = __cpu_to_be16(skb->len + 2 - sizeof(*ph));
ph->pn_robj = pn_obj(dst);
ph->pn_sobj = pn_obj(src);
skb->protocol = htons(ETH_P_PHONET);
skb->priority = 0;
skb->dev = dev;
PN_PRINTK("pn_send rdev %x sdev %x res %x robj %x sobj %x netdev=%s\n",
ph->pn_rdev, ph->pn_sdev, ph->pn_res,
ph->pn_robj, ph->pn_sobj, dev->name);
PN_DATA_PRINTK("PHONET : skb data = %d\nPHONET :", skb->len);
for (i = 1; i <= skb->len; i++) {
PN_DATA_PRINTK(" %02x", skb->data[i-1]);
if ((i%8) == 0)
PN_DATA_PRINTK("\n");
}
if (skb->pkt_type == PACKET_LOOPBACK) {
skb_reset_mac_header(skb);
skb_orphan(skb);
err = (irq ? netif_rx(skb) : netif_rx_ni(skb)) ? -ENOBUFS : 0;
} else {
err = dev_hard_header(skb, dev, ntohs(skb->protocol),
NULL, NULL, skb->len);
if (err < 0) {
err = -EHOSTUNREACH;
goto drop;
}
err = dev_queue_xmit(skb);
if (unlikely(err > 0))
err = net_xmit_errno(err);
}
return err;
drop:
printk(KERN_DEBUG "pn_send DROP\n");
kfree_skb(skb);
return err;
}
/*
* Parse the user's input, partially heuristic. Valid formats:
* <00> - hex byte
* <0011> - hex half word (16 bits)
* <00112233> - hex word (32 bits)
* - hex double words (64 bits) are not supported, must use
* a byte stream instead.
* [00 11 22 .. nn] - byte stream
* "string" - If the the value doesn't start with "<" or "[", it is
* treated as a string. Note that the quotes are
* stripped by the parser before we get the string.
*/
static int fdt_parse_prop(char *pathp, char *prop, char *newval,
char *data, int *len)
{
char *cp; /* temporary char pointer */
unsigned long tmp; /* holds converted values */
if (*newval == '<') {
/*
* Bigger values than bytes.
*/
*len = 0;
newval++;
while ((*newval != '>') && (*newval != '\0')) {
cp = newval;
tmp = simple_strtoul(cp, &newval, 16);
if ((newval - cp) <= 2) {
*data = tmp & 0xFF;
data += 1;
*len += 1;
} else if ((newval - cp) <= 4) {
*(uint16_t *)data = __cpu_to_be16(tmp);
data += 2;
*len += 2;
} else if ((newval - cp) <= 8) {
*(uint32_t *)data = __cpu_to_be32(tmp);
data += 4;
*len += 4;
} else {
printf("Sorry, I could not convert \"%s\"\n",
cp);
return 1;
}
while (*newval == ' ')
newval++;
}
if (*newval != '>') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else if (*newval == '[') {
/*
* Byte stream. Convert the values.
*/
*len = 0;
newval++;
while ((*newval != ']') && (*newval != '\0')) {
tmp = simple_strtoul(newval, &newval, 16);
*data++ = tmp & 0xFF;
*len = *len + 1;
while (*newval == ' ')
newval++;
}
if (*newval != ']') {
printf("Unexpected character '%c'\n", *newval);
return 1;
}
} else {
/*
* Assume it is a string. Copy it into our data area for
* convenience (including the terminating '\0').
*/
*len = strlen(newval) + 1;
strcpy(data, newval);
}
return 0;
}
