cxgb4: Add debugfs entry to dump channel rate
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index eb39564..484eb8c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -752,6 +752,39 @@
.write = pm_stats_clear
};
+static int tx_rate_show(struct seq_file *seq, void *v)
+{
+ u64 nrate[NCHAN], orate[NCHAN];
+ struct adapter *adap = seq->private;
+
+ t4_get_chan_txrate(adap, nrate, orate);
+ if (adap->params.arch.nchan == NCHAN) {
+ seq_puts(seq, " channel 0 channel 1 "
+ "channel 2 channel 3\n");
+ seq_printf(seq, "NIC B/s: %10llu %10llu %10llu %10llu\n",
+ (unsigned long long)nrate[0],
+ (unsigned long long)nrate[1],
+ (unsigned long long)nrate[2],
+ (unsigned long long)nrate[3]);
+ seq_printf(seq, "Offload B/s: %10llu %10llu %10llu %10llu\n",
+ (unsigned long long)orate[0],
+ (unsigned long long)orate[1],
+ (unsigned long long)orate[2],
+ (unsigned long long)orate[3]);
+ } else {
+ seq_puts(seq, " channel 0 channel 1\n");
+ seq_printf(seq, "NIC B/s: %10llu %10llu\n",
+ (unsigned long long)nrate[0],
+ (unsigned long long)nrate[1]);
+ seq_printf(seq, "Offload B/s: %10llu %10llu\n",
+ (unsigned long long)orate[0],
+ (unsigned long long)orate[1]);
+ }
+ return 0;
+}
+
+DEFINE_SIMPLE_DEBUGFS_FILE(tx_rate);
+
static int cctrl_tbl_show(struct seq_file *seq, void *v)
{
static const char * const dec_fac[] = {
@@ -2254,6 +2287,7 @@
{ "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
{ "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
{ "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
+ { "tx_rate", &tx_rate_debugfs_fops, S_IRUSR, 0 },
{ "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
#if IS_ENABLED(CONFIG_IPV6)
{ "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },