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path: root/drivers/net/ethernet/netronome/nfp/abm
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/abm')
-rw-r--r--drivers/net/ethernet/netronome/nfp/abm/ctrl.c47
-rw-r--r--drivers/net/ethernet/netronome/nfp/abm/main.h2
2 files changed, 46 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/abm/ctrl.c b/drivers/net/ethernet/netronome/nfp/abm/ctrl.c
index 8b2598a223de..013ba6c85d2b 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/ctrl.c
+++ b/drivers/net/ethernet/netronome/nfp/abm/ctrl.c
@@ -28,6 +28,11 @@
#define NFP_QMSTAT_DROP 16
#define NFP_QMSTAT_ECN 24
+#define NFP_Q_STAT_SYM_NAME "_abi_nfd_rxq_stats%u%s"
+#define NFP_Q_STAT_STRIDE 16
+#define NFP_Q_STAT_PKTS 0
+#define NFP_Q_STAT_BYTES 8
+
static int
nfp_abm_ctrl_stat(struct nfp_abm_link *alink, const struct nfp_rtsym *sym,
unsigned int stride, unsigned int offset, unsigned int band,
@@ -109,14 +114,42 @@ u64 nfp_abm_ctrl_stat_sto(struct nfp_abm_link *alink, unsigned int i)
return val;
}
+static int
+nfp_abm_ctrl_stat_basic(struct nfp_abm_link *alink, unsigned int band,
+ unsigned int queue, unsigned int off, u64 *val)
+{
+ if (!nfp_abm_has_prio(alink->abm)) {
+ if (!band) {
+ unsigned int id = alink->queue_base + queue;
+
+ *val = nn_readq(alink->vnic,
+ NFP_NET_CFG_RXR_STATS(id) + off);
+ } else {
+ *val = 0;
+ }
+
+ return 0;
+ } else {
+ return nfp_abm_ctrl_stat(alink, alink->abm->q_stats,
+ NFP_Q_STAT_STRIDE, off, band, queue,
+ true, val);
+ }
+}
+
int nfp_abm_ctrl_read_q_stats(struct nfp_abm_link *alink, unsigned int band,
unsigned int queue, struct nfp_alink_stats *stats)
{
int err;
- stats->tx_pkts += nn_readq(alink->vnic, NFP_NET_CFG_RXR_STATS(queue));
- stats->tx_bytes += nn_readq(alink->vnic,
- NFP_NET_CFG_RXR_STATS(queue) + 8);
+ err = nfp_abm_ctrl_stat_basic(alink, band, queue, NFP_Q_STAT_PKTS,
+ &stats->tx_pkts);
+ if (err)
+ return err;
+
+ err = nfp_abm_ctrl_stat_basic(alink, band, queue, NFP_Q_STAT_BYTES,
+ &stats->tx_bytes);
+ if (err)
+ return err;
err = nfp_abm_ctrl_stat(alink, alink->abm->q_lvls, NFP_QLVL_STRIDE,
NFP_QLVL_BLOG_BYTES, band, queue, false,
@@ -251,5 +284,13 @@ int nfp_abm_ctrl_find_addrs(struct nfp_abm *abm)
return PTR_ERR(sym);
abm->qm_stats = sym;
+ if (nfp_abm_has_prio(abm)) {
+ sym = nfp_abm_ctrl_find_q_rtsym(abm, NFP_Q_STAT_SYM_NAME,
+ NFP_Q_STAT_STRIDE);
+ if (IS_ERR(sym))
+ return PTR_ERR(sym);
+ abm->q_stats = sym;
+ }
+
return 0;
}
diff --git a/drivers/net/ethernet/netronome/nfp/abm/main.h b/drivers/net/ethernet/netronome/nfp/abm/main.h
index b18a699dac50..054228c29184 100644
--- a/drivers/net/ethernet/netronome/nfp/abm/main.h
+++ b/drivers/net/ethernet/netronome/nfp/abm/main.h
@@ -38,6 +38,7 @@ struct nfp_net;
* in switchdev mode
* @q_lvls: queue level control area
* @qm_stats: queue statistics symbol
+ * @q_stats: basic queue statistics (only in per-band case)
*/
struct nfp_abm {
struct nfp_app *app;
@@ -53,6 +54,7 @@ struct nfp_abm {
enum devlink_eswitch_mode eswitch_mode;
const struct nfp_rtsym *q_lvls;
const struct nfp_rtsym *qm_stats;
+ const struct nfp_rtsym *q_stats;
};
/**