dpaa2-eth: Add new DPNI statistics counters

Recent firmware versions expose more  DPNI counters.
Export relevant ones via ethtool -S.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 1c5b54b..0aa1c34 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -28,6 +28,11 @@ static char dpaa2_ethtool_stats[][ETH_GSTRING_LEN] = {
        "[hw] rx nobuffer discards",
        "[hw] tx discarded frames",
        "[hw] tx confirmed frames",
+       "[hw] tx dequeued bytes",
+       "[hw] tx dequeued frames",
+       "[hw] tx rejected bytes",
+       "[hw] tx rejected frames",
+       "[hw] tx pending frames",
 };
 
 #define DPAA2_ETH_NUM_STATS    ARRAY_SIZE(dpaa2_ethtool_stats)
@@ -192,16 +197,26 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
                sizeof(dpni_stats.page_0),
                sizeof(dpni_stats.page_1),
                sizeof(dpni_stats.page_2),
+               sizeof(dpni_stats.page_3),
+               sizeof(dpni_stats.page_4),
+               sizeof(dpni_stats.page_5),
+               sizeof(dpni_stats.page_6),
        };
 
        memset(data, 0,
               sizeof(u64) * (DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS));
 
        /* Print standard counters, from DPNI statistics */
-       for (j = 0; j <= 2; j++) {
+       for (j = 0; j <= 6; j++) {
+               /* We're not interested in pages 4 & 5 for now */
+               if (j == 4 || j == 5)
+                       continue;
                err = dpni_get_statistics(priv->mc_io, 0, priv->mc_token,
                                          j, &dpni_stats);
-               if (err != 0)
+               if (err == -EINVAL)
+                       /* Older firmware versions don't support all pages */
+                       memset(&dpni_stats, 0, sizeof(dpni_stats));
+               else
                        netdev_warn(net_dev, "dpni_get_stats(%d) failed\n", j);
 
                num_cnt = dpni_stats_page_size[j] / sizeof(u64);

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
index 05e3089..dd54e69 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -1470,7 +1470,7 @@ int dpni_get_queue(struct fsl_mc_io *mc_io,
  * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:     Token of DPNI object
  * @page:      Selects the statistics page to retrieve, see
- *             DPNI_GET_STATISTICS output. Pages are numbered 0 to 2.
+ *             DPNI_GET_STATISTICS output. Pages are numbered 0 to 6.
  * @stat:      Structure containing the statistics
  *
  * Return:     '0' on Success; Error code otherwise.

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
index 3e8fc6c..fd58391 100644 (file)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -416,6 +416,26 @@ int dpni_get_tx_data_offset(struct fsl_mc_io       *mc_io,
  *     lack of buffers
  * @page_2.egress_discarded_frames: Egress discarded frame count
  * @page_2.egress_confirmed_frames: Egress confirmed frame count
+ * @page3: Page_3 statistics structure
+ * @page_3.egress_dequeue_bytes: Cumulative count of the number of bytes
+ *     dequeued from egress FQs
+ * @page_3.egress_dequeue_frames: Cumulative count of the number of frames
+ *     dequeued from egress FQs
+ * @page_3.egress_reject_bytes: Cumulative count of the number of bytes in
+ *     egress frames whose enqueue was rejected
+ * @page_3.egress_reject_frames: Cumulative count of the number of egress
+ *     frames whose enqueue was rejected
+ * @page_4: Page_4 statistics structure: congestion points
+ * @page_4.cgr_reject_frames: number of rejected frames due to congestion point
+ * @page_4.cgr_reject_bytes: number of rejected bytes due to congestion point
+ * @page_5: Page_5 statistics structure: policer
+ * @page_5.policer_cnt_red: NUmber of red colored frames
+ * @page_5.policer_cnt_yellow: number of yellow colored frames
+ * @page_5.policer_cnt_green: number of green colored frames
+ * @page_5.policer_cnt_re_red: number of recolored red frames
+ * @page_5.policer_cnt_re_yellow: number of recolored yellow frames
+ * @page_6: Page_6 statistics structure
+ * @page_6.tx_pending_frames: total number of frames pending in egress FQs
  * @raw: raw statistics structure, used to index counters
  */
 union dpni_statistics {
@@ -443,6 +463,26 @@ union dpni_statistics {
                u64 egress_confirmed_frames;
        } page_2;
        struct {
+               u64 egress_dequeue_bytes;
+               u64 egress_dequeue_frames;
+               u64 egress_reject_bytes;
+               u64 egress_reject_frames;
+       } page_3;
+       struct {
+               u64 cgr_reject_frames;
+               u64 cgr_reject_bytes;
+       } page_4;
+       struct {
+               u64 policer_cnt_red;
+               u64 policer_cnt_yellow;
+               u64 policer_cnt_green;
+               u64 policer_cnt_re_red;
+               u64 policer_cnt_re_yellow;
+       } page_5;
+       struct {
+               u64 tx_pending_frames;
+       } page_6;
+       struct {
                u64 counter[DPNI_STATISTICS_CNT];
        } raw;
 };