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ath9k: Print rxfilter in debugfs.

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Print raw and decoded rxfilter in debufs 'wiphy' file.

Also, move variable-length printouts to bottom of file to
make bounds checking easier.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear 2010-09-14 12:46:04 -07:00 committed by John W. Linville
parent cfda669519
commit 3905751243
1 changed files with 43 additions and 10 deletions
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53
drivers/net/wireless/ath/ath9k/debug.c
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@ -492,12 +492,55 @@ static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
unsigned int len = 0;
int i;
u8 addr[ETH_ALEN];
u32 tmp;
len += snprintf(buf + len, sizeof(buf) - len,
"primary: %s (%s chan=%d ht=%d)\n",
wiphy_name(sc->pri_wiphy->hw->wiphy),
ath_wiphy_state_str(sc->pri_wiphy->state),
sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht);
put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
len += snprintf(buf + len, sizeof(buf) - len,
"addr: %pM\n", addr);
put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
len += snprintf(buf + len, sizeof(buf) - len,
"addrmask: %pM\n", addr);
tmp = ath9k_hw_getrxfilter(sc->sc_ah);
len += snprintf(buf + len, sizeof(buf) - len,
"rfilt: 0x%x", tmp);
if (tmp & ATH9K_RX_FILTER_UCAST)
len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
if (tmp & ATH9K_RX_FILTER_MCAST)
len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
if (tmp & ATH9K_RX_FILTER_BCAST)
len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
if (tmp & ATH9K_RX_FILTER_CONTROL)
len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
if (tmp & ATH9K_RX_FILTER_BEACON)
len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
if (tmp & ATH9K_RX_FILTER_PROM)
len += snprintf(buf + len, sizeof(buf) - len, " PROM");
if (tmp & ATH9K_RX_FILTER_PROBEREQ)
len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
if (tmp & ATH9K_RX_FILTER_PHYERR)
len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
if (tmp & ATH9K_RX_FILTER_MYBEACON)
len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
if (tmp & ATH9K_RX_FILTER_COMP_BAR)
len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
if (tmp & ATH9K_RX_FILTER_PSPOLL)
len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
if (tmp & ATH9K_RX_FILTER_PHYRADAR)
len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
if (tmp & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL\n");
else
len += snprintf(buf + len, sizeof(buf) - len, "\n");
/* Put variable-length stuff down here, and check for overflows. */
for (i = 0; i < sc->num_sec_wiphy; i++) {
struct ath_wiphy *aphy = sc->sec_wiphy[i];
if (aphy == NULL)
@ -508,16 +551,6 @@ static ssize_t read_file_wiphy(struct file *file, char __user *user_buf,
ath_wiphy_state_str(aphy->state),
aphy->chan_idx, aphy->chan_is_ht);
}
put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_STA_ID0), addr);
put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
len += snprintf(buf + len, sizeof(buf) - len,
"addr: %pM\n", addr);
put_unaligned_le32(REG_READ_D(sc->sc_ah, AR_BSSMSKL), addr);
put_unaligned_le16(REG_READ_D(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
len += snprintf(buf + len, sizeof(buf) - len,
"addrmask: %pM\n", addr);
if (len > sizeof(buf))
len = sizeof(buf);