diff options
| author | Giuseppe CAVALLARO <peppe.cavallaro@st.com> | 2011-09-02 01:51:39 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-09-15 23:40:01 +0400 |
| commit | 7ac2905511063376ef59baae0e570bfebeea8004 (patch) | |
| tree | 6182b9b0f08dd85907823ad83d0bd965778b85ae /drivers/net/ethernet/stmicro/stmmac/Kconfig | |
| parent | 1c901a46d576926287b05fc145bd3fd31a3e65de (diff) | |
| download | linux-7ac2905511063376ef59baae0e570bfebeea8004.tar.xz | |
stmmac: export DMA TX/RX rings via debugfs (v3)
This patch adds the following debugFs entry to dump the
RX/TX DMA rings:
/sys/kernel/debug/stmmaceth/descriptors_status
This is an example:
=======================
RX descriptor ring
=======================
[0] DES0=0x85ee0320 DES1=0x1fff1fff BUF1=0x5fae2022 BUF2=0x0
[1] DES0=0x85ee0320 DES1=0x1fff1fff BUF1=0x5fae0022 BUF2=0x0
[2] DES0=0x81460320 DES1=0x1fff1fff BUF1=0x5f9dd022 BUF2=0x0
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/Kconfig')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index cda61e37c357..ae7f56312f08 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -11,6 +11,13 @@ config STMMAC_ETH if STMMAC_ETH +config STMMAC_DEBUG_FS + bool "Enable monitoring via sysFS " + default n + depends on STMMAC_ETH && DEBUG_FS + -- help + The stmmac entry in /sys reports DMA TX/RX rings. + config STMMAC_DA bool "STMMAC DMA arbitration scheme" default n |