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| 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/cxgb4_debugfs.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/cxgb4_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 1304fe045e7c..5a462730bdbe 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -562,6 +562,41 @@ static const struct file_operations tp_la_fops = { .write = tp_la_write }; +static int ulprx_la_show(struct seq_file *seq, void *v, int idx) +{ + const u32 *p = v; + + if (v == SEQ_START_TOKEN) + seq_puts(seq, " Pcmd Type Message" + " Data\n"); + else + seq_printf(seq, "%08x%08x %4x %08x %08x%08x%08x%08x\n", + p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]); + return 0; +} + +static int ulprx_la_open(struct inode *inode, struct file *file) +{ + struct seq_tab *p; + struct adapter *adap = inode->i_private; + + p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1, + ulprx_la_show); + if (!p) + return -ENOMEM; + + t4_ulprx_read_la(adap, (u32 *)p->data); + return 0; +} + +static const struct file_operations ulprx_la_fops = { + .owner = THIS_MODULE, + .open = ulprx_la_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release_private +}; + /* Show the PM memory stats. These stats include: * * TX: @@ -1867,6 +1902,7 @@ int t4_setup_debugfs(struct adapter *adap) { "obq_sge", &cim_obq_fops, S_IRUSR, 4 }, { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 }, { "tp_la", &tp_la_fops, S_IRUSR, 0 }, + { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 }, { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 }, { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 }, #if IS_ENABLED(CONFIG_IPV6) |