Update PHY error codes from the HAL, and keep them in statistics for debugging
via the 'frameerrors' file. This will also be used by ANI.
Signed-off-by: Bruno Randolf <b...@einfach.org>
---
drivers/net/wireless/ath/ath5k/base.c | 2 ++
drivers/net/wireless/ath/ath5k/base.h | 1 +
drivers/net/wireless/ath/ath5k/debug.c | 8 +++++++
drivers/net/wireless/ath/ath5k/desc.h | 35 ++++++++++++++++++++++++--------
4 files changed, 37 insertions(+), 9 deletions(-)
diff --git a/drivers/net/wireless/ath/ath5k/base.c
b/drivers/net/wireless/ath/ath5k/base.c
index ea33b99..a1c0dcb 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1940,6 +1940,8 @@ ath5k_tasklet_rx(unsigned long data)
sc->stats.rxerr_fifo++;
if (rs.rs_status & AR5K_RXERR_PHY) {
sc->stats.rxerr_phy++;
+ if (rs.rs_phyerr > 0 && rs.rs_phyerr < 32)
+
sc->stats.rxerr_phy_code[rs.rs_phyerr]++;
goto next;
}
if (rs.rs_status & AR5K_RXERR_DECRYPT) {
diff --git a/drivers/net/wireless/ath/ath5k/base.h
b/drivers/net/wireless/ath/ath5k/base.h
index fe5dae5..a572a48 100644
--- a/drivers/net/wireless/ath/ath5k/base.h
+++ b/drivers/net/wireless/ath/ath5k/base.h
@@ -116,6 +116,7 @@ struct ath5k_statistics {
unsigned int tx_all_count; /* all TX frames, including errors */
unsigned int rxerr_crc;
unsigned int rxerr_phy;
+ unsigned int rxerr_phy_code[32];
unsigned int rxerr_fifo;
unsigned int rxerr_decrypt;
unsigned int rxerr_mic;
diff --git a/drivers/net/wireless/ath/ath5k/debug.c
b/drivers/net/wireless/ath/ath5k/debug.c
index bccd4a7..90247dc 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -474,6 +474,7 @@ static ssize_t read_file_frameerrors(struct file *file,
char __user *user_buf,
struct ath5k_statistics *st = &sc->stats;
char buf[700];
unsigned int len = 0;
+ int i;
len += snprintf(buf+len, sizeof(buf)-len,
"RX\n---------------------\n");
@@ -485,6 +486,13 @@ static ssize_t read_file_frameerrors(struct file *file,
char __user *user_buf,
st->rxerr_phy,
st->rx_all_count > 0 ?
st->rxerr_phy*100/st->rx_all_count : 0);
+ for (i = 0; i < 32; i++) {
+ if (st->rxerr_phy_code[i])
+ len += snprintf(buf+len, sizeof(buf)-len,
+ " phy_err[%d]\t%d\n",
+ i, st->rxerr_phy_code[i]);
+ }
+
len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
st->rxerr_fifo,
st->rx_all_count > 0 ?
diff --git a/drivers/net/wireless/ath/ath5k/desc.h
b/drivers/net/wireless/ath/ath5k/desc.h
index 56158c8..64538fb 100644
--- a/drivers/net/wireless/ath/ath5k/desc.h
+++ b/drivers/net/wireless/ath/ath5k/desc.h
@@ -112,15 +112,32 @@ struct ath5k_hw_rx_error {
#define AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE 0x0000ff00
#define AR5K_RX_DESC_ERROR1_PHY_ERROR_CODE_S 8
-/* PHY Error codes */
-#define AR5K_DESC_RX_PHY_ERROR_NONE 0x00
-#define AR5K_DESC_RX_PHY_ERROR_TIMING 0x20
-#define AR5K_DESC_RX_PHY_ERROR_PARITY 0x40
-#define AR5K_DESC_RX_PHY_ERROR_RATE 0x60
-#define AR5K_DESC_RX_PHY_ERROR_LENGTH 0x80
-#define AR5K_DESC_RX_PHY_ERROR_64QAM 0xa0
-#define AR5K_DESC_RX_PHY_ERROR_SERVICE 0xc0
-#define AR5K_DESC_RX_PHY_ERROR_TRANSMITOVR 0xe0
+/**
+ * enum ath5k_phy_error_code - PHY Error codes
+ */
+enum ath5k_phy_error_code {
+ AR5K_RX_PHY_ERROR_UNDERRUN = 0, /* Transmit underrun */
+ AR5K_RX_PHY_ERROR_TIMING = 1, /* Timing error */
+ AR5K_RX_PHY_ERROR_PARITY = 2, /* Illegal parity */
+ AR5K_RX_PHY_ERROR_RATE = 3, /* Illegal rate */
+ AR5K_RX_PHY_ERROR_LENGTH = 4, /* Illegal length */
+ AR5K_RX_PHY_ERROR_RADAR = 5, /* Radar detect */
+ AR5K_RX_PHY_ERROR_SERVICE = 6, /* Illegal service */
+ AR5K_RX_PHY_ERROR_TOR = 7, /* Transmit override
receive */
+ /* these are specific to the 5212 */
+ AR5K_RX_PHY_ERROR_OFDM_TIMING = 17,
+ AR5K_RX_PHY_ERROR_OFDM_SIGNAL_PARITY = 18,
+ AR5K_RX_PHY_ERROR_OFDM_RATE_ILLEGAL = 19,
+ AR5K_RX_PHY_ERROR_OFDM_LENGTH_ILLEGAL = 20,
+ AR5K_RX_PHY_ERROR_OFDM_POWER_DROP = 21,
+ AR5K_RX_PHY_ERROR_OFDM_SERVICE = 22,
+ AR5K_RX_PHY_ERROR_OFDM_RESTART = 23,
+ AR5K_RX_PHY_ERROR_CCK_TIMING = 25,
+ AR5K_RX_PHY_ERROR_CCK_HEADER_CRC = 26,
+ AR5K_RX_PHY_ERROR_CCK_RATE_ILLEGAL = 27,
+ AR5K_RX_PHY_ERROR_CCK_SERVICE = 30,
+ AR5K_RX_PHY_ERROR_CCK_RESTART = 31,
+};
/*
* 5210/5211 hardware 2-word TX control descriptor
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