diff options
| author | Hariprasad Shenai | 2015-02-06 15:02:53 +0100 |
|---|---|---|
| committer | David S. Miller | 2015-02-08 07:52:39 +0100 |
| commit | 797ff0f573184778771b6d1186eca72f7e3adb4d (patch) | |
| tree | f6d52ac12953de1ed7c448592240e1cf6df191fc /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | |
| parent | cxgb4: Added support in debugfs to display TP logic analyzer output (diff) | |
| download | kernel-qcow2-linux-797ff0f573184778771b6d1186eca72f7e3adb4d.tar.gz kernel-qcow2-linux-797ff0f573184778771b6d1186eca72f7e3adb4d.tar.xz kernel-qcow2-linux-797ff0f573184778771b6d1186eca72f7e3adb4d.zip | |
cxgb4: Add support for ULP RX logic analyzer output in debugfs
Dump Upper Layer Protocol RX module command trace
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index e82c0ba66d55..9938f2aa5ef7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -1263,6 +1263,21 @@ int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op) return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL); } +void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf) +{ + unsigned int i, j; + + for (i = 0; i < 8; i++) { + u32 *p = la_buf + i; + + t4_write_reg(adap, ULP_RX_LA_CTL_A, i); + j = t4_read_reg(adap, ULP_RX_LA_WRPTR_A); + t4_write_reg(adap, ULP_RX_LA_RDPTR_A, j); + for (j = 0; j < ULPRX_LA_SIZE; j++, p += 8) + *p = t4_read_reg(adap, ULP_RX_LA_RDDATA_A); + } +} + #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\ FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \ FW_PORT_CAP_ANEG) |