diff options
| author | Maxime Chevallier <maxime.chevallier@bootlin.com> | 2018-07-14 14:29:26 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-16 10:10:01 +0300 |
| commit | 1203341cc9e858376241b65c17cf6b414b6a0837 (patch) | |
| tree | be19b0d598ad755c76d373999f61ed53bc36ad55 /drivers/net/ethernet/marvell/mvpp2/mvpp2.h | |
| parent | 21da57a23125a072e6ab2bb6c9bea5e02e01d1f5 (diff) | |
| download | linux-1203341cc9e858376241b65c17cf6b414b6a0837.tar.xz | |
net: mvpp2: debugfs: add hit counter stats for Header Parser entries
One helpful feature to help debug the Header Parser TCAM filter in PPv2
is to be able to see if the entries did match something when a packet
comes in. This can be done by using the built-in hit counter for TCAM
entries.
This commit implements reading the counter, and exposing its value on
debugfs for each filter entry.
The counter is a 16-bits clear-on-read value, located at:
.../mvpp2/<controller>/parser/XXX/hits
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2.h')
| -rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 439f14192b08..70b3e9cd0d84 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -64,6 +64,9 @@ #define MVPP2_PRS_SRAM_DATA_REG(idx) (0x1204 + (idx) * 4) #define MVPP2_PRS_TCAM_CTRL_REG 0x1230 #define MVPP2_PRS_TCAM_EN_MASK BIT(0) +#define MVPP2_PRS_TCAM_HIT_IDX_REG 0x1240 +#define MVPP2_PRS_TCAM_HIT_CNT_REG 0x1244 +#define MVPP2_PRS_TCAM_HIT_CNT_MASK GENMASK(15, 0) /* RSS Registers */ #define MVPP22_RSS_INDEX 0x1500 |