net/sfc: prepare to add more xstats

[dpdk.git] / drivers / net / sfc / sfc_port.c

diff --git a/drivers/net/sfc/sfc_port.c b/drivers/net/sfc/sfc_port.c
index 8c432c1..f6689a1 100644 (file)
--- a/drivers/net/sfc/sfc_port.c
+++ b/drivers/net/sfc/sfc_port.c
@@ -636,3 +636,83 @@ sfc_port_link_mode_to_info(efx_link_mode_t link_mode,
 
        link_info->link_autoneg = ETH_LINK_AUTONEG;
 }
+
+int
+sfc_port_get_mac_stats(struct sfc_adapter *sa, struct rte_eth_xstat *xstats,
+                      unsigned int xstats_count, unsigned int *nb_written)
+{
+       struct sfc_port *port = &sa->port;
+       uint64_t *mac_stats;
+       unsigned int i;
+       int nstats = 0;
+       int ret;
+
+       sfc_adapter_lock(sa);
+
+       ret = sfc_port_update_mac_stats(sa, B_FALSE);
+       if (ret != 0) {
+               SFC_ASSERT(ret > 0);
+               ret = -ret;
+               goto unlock;
+       }
+
+       mac_stats = port->mac_stats_buf;
+
+       for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+               if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+                       if (nstats < (int)xstats_count) {
+                               xstats[nstats].id = nstats;
+                               xstats[nstats].value = mac_stats[i];
+                               (*nb_written)++;
+                       }
+                       nstats++;
+               }
+       }
+       ret = nstats;
+
+unlock:
+       sfc_adapter_unlock(sa);
+
+       return ret;
+}
+
+int
+sfc_port_get_mac_stats_by_id(struct sfc_adapter *sa, const uint64_t *ids,
+                            uint64_t *values, unsigned int n)
+{
+       struct sfc_port *port = &sa->port;
+       uint64_t *mac_stats;
+       unsigned int i;
+       int ret;
+       int rc;
+
+       sfc_adapter_lock(sa);
+
+       rc = sfc_port_update_mac_stats(sa, B_FALSE);
+       if (rc != 0) {
+               SFC_ASSERT(rc > 0);
+               ret = -rc;
+               goto unlock;
+       }
+
+       mac_stats = port->mac_stats_buf;
+
+       SFC_ASSERT(port->mac_stats_nb_supported <=
+                  RTE_DIM(port->mac_stats_by_id));
+
+       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 = n;
+
+unlock:
+       sfc_adapter_unlock(sa);
+
+       return ret;
+}