qlge: Add CBFC pause frame counters to ethtool stats.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 90 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index cef930bfcc79..421471790601 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -1363,6 +1363,27 @@ struct nic_stats {
         u64 rx_1024_to_1518_pkts;
         u64 rx_1519_to_max_pkts;
         u64 rx_len_err_pkts;
+        /*
+         * These stats come from offset 500h to 5C8h
+         * in the XGMAC register.
+         */
+        u64 tx_cbfc_pause_frames0;
+        u64 tx_cbfc_pause_frames1;
+        u64 tx_cbfc_pause_frames2;
+        u64 tx_cbfc_pause_frames3;
+        u64 tx_cbfc_pause_frames4;
+        u64 tx_cbfc_pause_frames5;
+        u64 tx_cbfc_pause_frames6;
+        u64 tx_cbfc_pause_frames7;
+        u64 rx_cbfc_pause_frames0;
+        u64 rx_cbfc_pause_frames1;
+        u64 rx_cbfc_pause_frames2;
+        u64 rx_cbfc_pause_frames3;
+        u64 rx_cbfc_pause_frames4;
+        u64 rx_cbfc_pause_frames5;
+        u64 rx_cbfc_pause_frames6;
+        u64 rx_cbfc_pause_frames7;
+        u64 rx_nic_fifo_drop;
 };
 
 /*
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 52073946bce3..aac6c6f19a21 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -132,6 +132,41 @@ static void ql_update_stats(struct ql_adapter *qdev)
                 iter++;
         }
 
+        /*
+         * Get Per-priority TX pause frame counter statistics.
+         */
+        for (i = 0x500; i < 0x540; i += 8) {
+                if (ql_read_xgmac_reg64(qdev, i, &data)) {
+                        QPRINTK(qdev, DRV, ERR,
+                                "Error reading status register 0x%.04x.\n", i);
+                        goto end;
+                } else
+                        *iter = data;
+                iter++;
+        }
+
+        /*
+         * Get Per-priority RX pause frame counter statistics.
+         */
+        for (i = 0x568; i < 0x5a8; i += 8) {
+                if (ql_read_xgmac_reg64(qdev, i, &data)) {
+                        QPRINTK(qdev, DRV, ERR,
+                                "Error reading status register 0x%.04x.\n", i);
+                        goto end;
+                } else
+                        *iter = data;
+                iter++;
+        }
+
+        /*
+         * Get RX NIC FIFO DROP statistics.
+         */
+        if (ql_read_xgmac_reg64(qdev, 0x5b8, &data)) {
+                QPRINTK(qdev, DRV, ERR,
+                        "Error reading status register 0x%.04x.\n", i);
+                goto end;
+        } else
+                *iter = data;
 end:
         ql_sem_unlock(qdev, qdev->xg_sem_mask);
 quit:
@@ -185,6 +220,23 @@ static char ql_stats_str_arr[][ETH_GSTRING_LEN] = {
         {"rx_1024_to_1518_pkts"},
         {"rx_1519_to_max_pkts"},
         {"rx_len_err_pkts"},
+        {"tx_cbfc_pause_frames0"},
+        {"tx_cbfc_pause_frames1"},
+        {"tx_cbfc_pause_frames2"},
+        {"tx_cbfc_pause_frames3"},
+        {"tx_cbfc_pause_frames4"},
+        {"tx_cbfc_pause_frames5"},
+        {"tx_cbfc_pause_frames6"},
+        {"tx_cbfc_pause_frames7"},
+        {"rx_cbfc_pause_frames0"},
+        {"rx_cbfc_pause_frames1"},
+        {"rx_cbfc_pause_frames2"},
+        {"rx_cbfc_pause_frames3"},
+        {"rx_cbfc_pause_frames4"},
+        {"rx_cbfc_pause_frames5"},
+        {"rx_cbfc_pause_frames6"},
+        {"rx_cbfc_pause_frames7"},
+        {"rx_nic_fifo_drop"},
 };
 
 static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
@@ -257,6 +309,23 @@ ql_get_ethtool_stats(struct net_device *ndev,
         *data++ = s->rx_1024_to_1518_pkts;
         *data++ = s->rx_1519_to_max_pkts;
         *data++ = s->rx_len_err_pkts;
+        *data++ = s->tx_cbfc_pause_frames0;
+        *data++ = s->tx_cbfc_pause_frames1;
+        *data++ = s->tx_cbfc_pause_frames2;
+        *data++ = s->tx_cbfc_pause_frames3;
+        *data++ = s->tx_cbfc_pause_frames4;
+        *data++ = s->tx_cbfc_pause_frames5;
+        *data++ = s->tx_cbfc_pause_frames6;
+        *data++ = s->tx_cbfc_pause_frames7;
+        *data++ = s->rx_cbfc_pause_frames0;
+        *data++ = s->rx_cbfc_pause_frames1;
+        *data++ = s->rx_cbfc_pause_frames2;
+        *data++ = s->rx_cbfc_pause_frames3;
+        *data++ = s->rx_cbfc_pause_frames4;
+        *data++ = s->rx_cbfc_pause_frames5;
+        *data++ = s->rx_cbfc_pause_frames6;
+        *data++ = s->rx_cbfc_pause_frames7;
+        *data++ = s->rx_nic_fifo_drop;
 }
 
 static int ql_get_settings(struct net_device *ndev,