From: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
Device may support only some MAC stats. Add mapping from ids to subset
of supported MAC stats for each port.
Fixes: 73280c1e4ff ("net/sfc: support xstats retrieval by ID")
Cc: stable@dpdk.org
Signed-off-by: Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
---
drivers/net/sfc/sfc.h | 2 ++
drivers/net/sfc/sfc_ethdev.c | 44 ++++++++++++++++++------------------
drivers/net/sfc/sfc_port.c | 29 ++++++++++++++++++------
3 files changed, 46 insertions(+), 29 deletions(-)
@@ -141,6 +141,8 @@ struct sfc_port {
uint32_t mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
+ unsigned int mac_stats_by_id[EFX_MAC_NSTATS];
+
uint64_t ipackets;
};
@@ -788,8 +788,6 @@ sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
struct sfc_port *port = &sa->port;
uint64_t *mac_stats;
- unsigned int nb_supported = 0;
- unsigned int nb_written = 0;
unsigned int i;
int ret;
int rc;
@@ -808,17 +806,19 @@ sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
mac_stats = port->mac_stats_buf;
- for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
- if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
- continue;
-
- if (ids[nb_written] == nb_supported)
- values[nb_written++] = mac_stats[i];
+ SFC_ASSERT(port->mac_stats_nb_supported <=
+ RTE_DIM(port->mac_stats_by_id));
- ++nb_supported;
+ for (i = 0; i < n; i++) {
+ if (ids[i] < port->mac_stats_nb_supported) {
+ values[i] = mac_stats[port->mac_stats_by_id[ids[i]]];
+ } else {
+ ret = i;
+ goto unlock;
+ }
}
- ret = nb_written;
+ ret = n;
unlock:
sfc_adapter_unlock(sa);
@@ -833,8 +833,7 @@ sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
{
struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
struct sfc_port *port = &sa->port;
- unsigned int nb_supported = 0;
- unsigned int nb_written = 0;
+ unsigned int nb_supported;
unsigned int i;
if (unlikely(xstats_names == NULL && ids != NULL) ||
@@ -849,23 +848,24 @@ sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
return nb_supported;
}
- for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
- if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
- continue;
-
- if (ids[nb_written] == nb_supported) {
- char *name = xstats_names[nb_written++].name;
+ SFC_ASSERT(port->mac_stats_nb_supported <=
+ RTE_DIM(port->mac_stats_by_id));
- strlcpy(name, efx_mac_stat_name(sa->nic, i),
+ for (i = 0; i < size; i++) {
+ if (ids[i] < port->mac_stats_nb_supported) {
+ strlcpy(xstats_names[i].name,
+ efx_mac_stat_name(sa->nic,
+ port->mac_stats_by_id[ids[i]]),
sizeof(xstats_names[0].name));
+ } else {
+ sfc_adapter_unlock(sa);
+ return i;
}
-
- ++nb_supported;
}
sfc_adapter_unlock(sa);
- return nb_written;
+ return size;
}
static int
@@ -157,6 +157,27 @@ sfc_port_phy_caps_to_max_link_speed(uint32_t phy_caps)
#endif
+static void
+sfc_port_fill_mac_stats_info(struct sfc_adapter *sa)
+{
+ unsigned int mac_stats_nb_supported = 0;
+ struct sfc_port *port = &sa->port;
+ unsigned int stat_idx;
+
+ efx_mac_stats_get_mask(sa->nic, port->mac_stats_mask,
+ sizeof(port->mac_stats_mask));
+
+ for (stat_idx = 0; stat_idx < EFX_MAC_NSTATS; ++stat_idx) {
+ if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, stat_idx))
+ continue;
+
+ port->mac_stats_by_id[mac_stats_nb_supported] = stat_idx;
+ mac_stats_nb_supported++;
+ }
+
+ port->mac_stats_nb_supported = mac_stats_nb_supported;
+}
+
int
sfc_port_start(struct sfc_adapter *sa)
{
@@ -165,7 +186,6 @@ sfc_port_start(struct sfc_adapter *sa)
uint32_t phy_adv_cap;
const uint32_t phy_pause_caps =
((1u << EFX_PHY_CAP_PAUSE) | (1u << EFX_PHY_CAP_ASYM));
- unsigned int i;
sfc_log_init(sa, "entry");
@@ -259,12 +279,7 @@ sfc_port_start(struct sfc_adapter *sa)
port->mac_stats_reset_pending = B_FALSE;
}
- efx_mac_stats_get_mask(sa->nic, port->mac_stats_mask,
- sizeof(port->mac_stats_mask));
-
- for (i = 0, port->mac_stats_nb_supported = 0; i < EFX_MAC_NSTATS; ++i)
- if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
- port->mac_stats_nb_supported++;
+ sfc_port_fill_mac_stats_info(sa);
port->mac_stats_update_generation = 0;