summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c22
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_regs.h14
2 files changed, 29 insertions, 7 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 511606fd1b20..631b78baedbb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -2858,6 +2858,7 @@ static int meminfo_show(struct seq_file *seq, void *v)
{
static const char * const memory[] = { "EDC0:", "EDC1:", "MC:",
"MC0:", "MC1:", "HMA:"};
+ unsigned int free_rx_cnt, free_tx_cnt;
struct adapter *adap = seq->private;
struct cudbg_meminfo meminfo;
int i, rc;
@@ -2889,13 +2890,20 @@ static int meminfo_show(struct seq_file *seq, void *v)
mem_region_show(seq, "uP Extmem2:", meminfo.up_extmem2_lo,
meminfo.up_extmem2_hi);
- seq_printf(seq, "\n%u Rx pages of size %uKiB for %u channels\n",
- meminfo.rx_pages_data[0], meminfo.rx_pages_data[1],
- meminfo.rx_pages_data[2]);
-
- seq_printf(seq, "%u Tx pages of size %u%ciB for %u channels\n",
- meminfo.tx_pages_data[0], meminfo.tx_pages_data[1],
- meminfo.tx_pages_data[2], meminfo.tx_pages_data[3]);
+ for (i = 0, free_rx_cnt = 0; i < 2; i++)
+ free_rx_cnt += FREERXPAGECOUNT_G
+ (t4_read_reg(adap, TP_FLM_FREE_RX_CNT_A));
+ seq_printf(seq, "\n%u Rx pages (%u free) of size %uKiB for %u channels\n",
+ meminfo.rx_pages_data[0], free_rx_cnt,
+ meminfo.rx_pages_data[1], meminfo.rx_pages_data[2]);
+
+ for (i = 0, free_tx_cnt = 0; i < 4; i++)
+ free_tx_cnt += FREETXPAGECOUNT_G
+ (t4_read_reg(adap, TP_FLM_FREE_TX_CNT_A));
+ seq_printf(seq, "%u Tx pages (%u free) of size %u%ciB for %u channels\n",
+ meminfo.tx_pages_data[0], free_tx_cnt,
+ meminfo.tx_pages_data[1], meminfo.tx_pages_data[2],
+ meminfo.tx_pages_data[3]);
seq_printf(seq, "%u p-structs\n\n", meminfo.p_structs);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
index 446aaff15bae..da885881c02f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
@@ -1502,6 +1502,20 @@
#define TP_MIB_DATA_A 0x7e54
#define TP_INT_CAUSE_A 0x7e74
+#define TP_FLM_FREE_RX_CNT_A 0x7e84
+
+#define FREERXPAGECOUNT_S 0
+#define FREERXPAGECOUNT_M 0x1fffffU
+#define FREERXPAGECOUNT_V(x) ((x) << FREERXPAGECOUNT_S)
+#define FREERXPAGECOUNT_G(x) (((x) >> FREERXPAGECOUNT_S) & FREERXPAGECOUNT_M)
+
+#define TP_FLM_FREE_TX_CNT_A 0x7e88
+
+#define FREETXPAGECOUNT_S 0
+#define FREETXPAGECOUNT_M 0x1fffffU
+#define FREETXPAGECOUNT_V(x) ((x) << FREETXPAGECOUNT_S)
+#define FREETXPAGECOUNT_G(x) (((x) >> FREETXPAGECOUNT_S) & FREETXPAGECOUNT_M)
+
#define FLMTXFLSTEMPTY_S 30
#define FLMTXFLSTEMPTY_V(x) ((x) << FLMTXFLSTEMPTY_S)
#define FLMTXFLSTEMPTY_F FLMTXFLSTEMPTY_V(1U)