ethdev: fix extended statistics name index
authorOlivier Matz <olivier.matz@6wind.com>
Fri, 16 Dec 2016 09:44:13 +0000 (10:44 +0100)
committerThomas Monjalon <thomas.monjalon@6wind.com>
Wed, 4 Jan 2017 18:04:30 +0000 (19:04 +0100)
The function rte_eth_xstats_get() return an array of tuples (id,
value). The value is the statistic counter, while the id references a
name in the array returned by rte_eth_xstats_get_name().

Today, each 'id' returned by rte_eth_xstats_get() is equal to the index
in the returned array, making this value useless. It also prevents a
driver from having different indexes for names and value, like in the
example below:

  rte_eth_xstats_get_name() returns:
    0: "rx0_stat"
    1: "rx1_stat"
    2: ...
    7: "rx7_stat"
    8: "tx0_stat"
    9: "tx1_stat"
    ...
    15: "tx7_stat"

  rte_eth_xstats_get() returns:
    0: id=0, val=<stat>    ("rx0_stat")
    1: id=1, val=<stat>    ("rx1_stat")
    2: id=8, val=<stat>    ("tx0_stat")
    3: id=9, val=<stat>    ("tx1_stat")

This patch fixes the drivers to set the 'id' in their ethdev->xstats_get()
(except e1000 which was already doing it), and fixes ethdev by not setting
the 'id' field to the index of the table for pmd-specific stats: instead,
they should just be shifted by the max number of generic statistics.

Fixes: bd6aa172cf35 ("ethdev: fetch extended statistics with integer ids")

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Remy Horton <remy.horton@intel.com>
drivers/net/bnx2x/bnx2x_ethdev.c
drivers/net/fm10k/fm10k_ethdev.c
drivers/net/i40e/i40e_ethdev.c
drivers/net/ixgbe/ixgbe_ethdev.c
drivers/net/qede/qede_ethdev.c
drivers/net/vhost/rte_eth_vhost.c
drivers/net/virtio/virtio_ethdev.c
lib/librte_ether/rte_ethdev.c

index 2735fd0..7140118 100644 (file)
@@ -422,6 +422,7 @@ bnx2x_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                        xstats[num].value =
                                          *(uint64_t *)((char *)&sc->eth_stats +
                                          bnx2x_xstats_strings[num].offset_lo);
+               xstats[num].id = num;
        }
 
        return num;
index b8257e4..a30193c 100644 (file)
@@ -1317,6 +1317,7 @@ fm10k_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        for (i = 0; i < FM10K_NB_HW_XSTATS; i++) {
                xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
                        fm10k_hw_stats_strings[count].offset);
+               xstats[count].id = count;
                count++;
        }
 
@@ -1326,12 +1327,14 @@ fm10k_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                        xstats[count].value =
                                *(uint64_t *)(((char *)&hw_stats->q[q]) +
                                fm10k_hw_stats_rx_q_strings[i].offset);
+                       xstats[count].id = count;
                        count++;
                }
                for (i = 0; i < FM10K_NB_TX_Q_XSTATS; i++) {
                        xstats[count].value =
                                *(uint64_t *)(((char *)&hw_stats->q[q]) +
                                fm10k_hw_stats_tx_q_strings[i].offset);
+                       xstats[count].id = count;
                        count++;
                }
        }
index 8f63044..c9ba789 100644 (file)
@@ -2545,6 +2545,7 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        for (i = 0; i < I40E_NB_ETH_XSTATS; i++) {
                xstats[count].value = *(uint64_t *)(((char *)&hw_stats->eth) +
                        rte_i40e_stats_strings[i].offset);
+               xstats[count].id = count;
                count++;
        }
 
@@ -2552,6 +2553,7 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        for (i = 0; i < I40E_NB_HW_PORT_XSTATS; i++) {
                xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
                        rte_i40e_hw_port_strings[i].offset);
+               xstats[count].id = count;
                count++;
        }
 
@@ -2561,6 +2563,7 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                                *(uint64_t *)(((char *)hw_stats) +
                                rte_i40e_rxq_prio_strings[i].offset +
                                (sizeof(uint64_t) * prio));
+                       xstats[count].id = count;
                        count++;
                }
        }
@@ -2571,6 +2574,7 @@ i40e_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                                *(uint64_t *)(((char *)hw_stats) +
                                rte_i40e_txq_prio_strings[i].offset +
                                (sizeof(uint64_t) * prio));
+                       xstats[count].id = count;
                        count++;
                }
        }
index ec2edad..0e1b25c 100644 (file)
@@ -2902,6 +2902,7 @@ ixgbe_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        for (i = 0; i < IXGBE_NB_HW_STATS; i++) {
                xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
                                rte_ixgbe_stats_strings[i].offset);
+               xstats[count].id = count;
                count++;
        }
 
@@ -2911,6 +2912,7 @@ ixgbe_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                        xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
                                        rte_ixgbe_rxq_strings[stat].offset +
                                        (sizeof(uint64_t) * i));
+                       xstats[count].id = count;
                        count++;
                }
        }
@@ -2921,6 +2923,7 @@ ixgbe_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                        xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
                                        rte_ixgbe_txq_strings[stat].offset +
                                        (sizeof(uint64_t) * i));
+                       xstats[count].id = count;
                        count++;
                }
        }
index e91e627..edc5b43 100644 (file)
@@ -975,6 +975,7 @@ qede_get_xstats(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
        for (i = 0; i < RTE_DIM(qede_xstats_strings); i++) {
                xstats[stat_idx].value = *(uint64_t *)(((char *)&stats) +
                                             qede_xstats_strings[i].offset);
+               xstats[stat_idx].id = stat_idx;
                stat_idx++;
        }
 
@@ -984,6 +985,7 @@ qede_get_xstats(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                                xstats[stat_idx].value = *(uint64_t *)(
                                        ((char *)(qdev->fp_array[(qid)].rxq)) +
                                         qede_rxq_xstats_strings[i].offset);
+                               xstats[stat_idx].id = stat_idx;
                                stat_idx++;
                        }
                }
index 1912346..3c48155 100644 (file)
@@ -324,6 +324,7 @@ vhost_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                                *(uint64_t *)(((char *)vq)
                                + vhost_rxport_stat_strings[t].offset);
                }
+               xstats[count].id = count;
                count++;
        }
        for (t = 0; t < VHOST_NB_XSTATS_TXPORT; t++) {
@@ -336,6 +337,7 @@ vhost_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                                *(uint64_t *)(((char *)vq)
                                + vhost_txport_stat_strings[t].offset);
                }
+               xstats[count].id = count;
                count++;
        }
        return count;
index b11bee6..54ea7d7 100644 (file)
@@ -893,6 +893,7 @@ virtio_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                for (t = 0; t < VIRTIO_NB_RXQ_XSTATS; t++) {
                        xstats[count].value = *(uint64_t *)(((char *)rxvq) +
                                rte_virtio_rxq_stat_strings[t].offset);
+                       xstats[count].id = count;
                        count++;
                }
        }
@@ -908,6 +909,7 @@ virtio_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
                for (t = 0; t < VIRTIO_NB_TXQ_XSTATS; t++) {
                        xstats[count].value = *(uint64_t *)(((char *)txvq) +
                                rte_virtio_txq_stat_strings[t].offset);
+                       xstats[count].id = count;
                        count++;
                }
        }
index 280f0db..9dea1f1 100644 (file)
@@ -1527,8 +1527,11 @@ rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstat *xstats,
                }
        }
 
-       for (i = 0; i < count + xcount; i++)
+       for (i = 0; i < count; i++)
                xstats[i].id = i;
+       /* add an offset to driver-specific stats */
+       for ( ; i < count + xcount; i++)
+               xstats[i].id += count;
 
        return count + xcount;
 }