static A_BOOL
rcIsValidPhyRate(A_UINT32 phy, A_UINT32 capflag, A_BOOL ignoreCW)
{
if (WLAN_RC_PHY_HT(phy) && !(capflag & WLAN_RC_HT_FLAG)) {
return FALSE;
}
if (WLAN_RC_PHY_DS(phy) && !(capflag & WLAN_RC_DS_FLAG)) {
return FALSE;
}
if (WLAN_RC_PHY_SGI(phy) && !(capflag & WLAN_RC_HT40_SGI_FLAG)) {
return FALSE;
}
if (!ignoreCW && WLAN_RC_PHY_HT(phy)) {
if (WLAN_RC_PHY_40(phy) && !(capflag & WLAN_RC_40_FLAG)) {
return FALSE;
}
if (!WLAN_RC_PHY_40(phy) && (capflag & WLAN_RC_40_FLAG)) {
return FALSE;
}
}
return TRUE;
}
static void
rcRateSetseries(const RATE_TABLE_11N *pRateTable ,
struct ath_rc_series *series,
A_UINT8 tries, A_UINT8 rix,
A_BOOL rtsctsenable, A_UINT32 chainmask,int stbc)
{
series->tries = tries;
series->flags = (rtsctsenable? ATH_RC_RTSCTS_FLAG : 0) |
(WLAN_RC_PHY_DS(pRateTable->info[rix].phy) ? ATH_RC_DS_FLAG : 0) |
(WLAN_RC_PHY_40(pRateTable->info[rix].phy) ? ATH_RC_CW40_FLAG : 0) |
(WLAN_RC_PHY_SGI(pRateTable->info[rix].phy) ? ATH_RC_HT40_SGI_FLAG : 0);
#ifdef MAGPIE_MERLIN
if (stbc) {
/* For now, only single stream STBC is supported */
if (pRateTable->info[rix].rateCode >= 0x80 &&
pRateTable->info[rix].rateCode <= 0x87)
{
series->flags |= ATH_RC_TX_STBC_FLAG;
}
}
#endif
series->rix = pRateTable->info[rix].baseIndex;
series->max4msframelen = pRateTable->info[rix].max4msframelen;
series->txrateKbps = pRateTable->info[rix].rateKbps;
/* If the hardware is capable of multiple transmit chains (chainmask is 3, 5 or 7),
* then choose the number of transmit chains dynamically based on entries in the rate table.
*/
#ifndef ATH_ENABLE_WLAN_FOR_K2
if(chainmask == 7)
series->tx_chainmask = pRateTable->info[rix].txChainMask_3ch;
else if(chainmask == 1)
series->tx_chainmask = 1;
else
series->tx_chainmask = pRateTable->info[rix].txChainMask_2ch; /*Chainmask is 3 or 5*/
#else
series->tx_chainmask = 1;
#endif
}
static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
char *buf;
unsigned int len = 0, max;
int i = 0;
ssize_t retval;
if (sc->cur_rate_table == NULL)
return 0;
max = 80 + sc->cur_rate_table->rate_cnt * 1024;
buf = kmalloc(max + 1, GFP_KERNEL);
if (buf == NULL)
return 0;
buf[max] = 0;
len += sprintf(buf, "%6s %6s %6s "
"%10s %10s %10s %10s\n",
"HT", "MCS", "Rate",
"Success", "Retries", "XRetries", "PER");
for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
char mcs[5];
char htmode[5];
int used_mcs = 0, used_htmode = 0;
if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) {
used_mcs = snprintf(mcs, 5, "%d",
sc->cur_rate_table->info[i].ratecode);
if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy))
used_htmode = snprintf(htmode, 5, "HT40");
else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy))
used_htmode = snprintf(htmode, 5, "HT20");
else
used_htmode = snprintf(htmode, 5, "????");
}
mcs[used_mcs] = '\0';
htmode[used_htmode] = '\0';
len += snprintf(buf + len, max - len,
"%6s %6s %3u.%d: "
"%10u %10u %10u %10u\n",
htmode,
mcs,
ratekbps / 1000,
(ratekbps % 1000) / 100,
stats->success,
stats->retries,
stats->xretries,
stats->per);
}
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
