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path: root/drivers/net/sfc/sfc_rx.c
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Diffstat (limited to 'drivers/net/sfc/sfc_rx.c')
-rw-r--r--drivers/net/sfc/sfc_rx.c74
1 files changed, 64 insertions, 10 deletions
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 1bf86445..2ae095b2 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -128,7 +128,7 @@ sfc_efx_rx_qrefill(struct sfc_efx_rxq *rxq)
SFC_ASSERT(m->nb_segs == 1);
m->port = port_id;
- addr[i] = rte_pktmbuf_mtophys(m);
+ addr[i] = rte_pktmbuf_iova(m);
}
efx_rx_qpost(rxq->common, addr, rxq->buf_size,
@@ -207,11 +207,11 @@ sfc_efx_supported_ptypes_get(void)
return ptypes;
}
+#if EFSYS_OPT_RX_SCALE
static void
sfc_efx_rx_set_rss_hash(struct sfc_efx_rxq *rxq, unsigned int flags,
struct rte_mbuf *m)
{
-#if EFSYS_OPT_RX_SCALE
uint8_t *mbuf_data;
@@ -227,8 +227,15 @@ sfc_efx_rx_set_rss_hash(struct sfc_efx_rxq *rxq, unsigned int flags,
m->ol_flags |= PKT_RX_RSS_HASH;
}
-#endif
}
+#else
+static void
+sfc_efx_rx_set_rss_hash(__rte_unused struct sfc_efx_rxq *rxq,
+ __rte_unused unsigned int flags,
+ __rte_unused struct rte_mbuf *m)
+{
+}
+#endif
static uint16_t
sfc_efx_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
@@ -349,6 +356,43 @@ sfc_efx_rx_qdesc_npending(struct sfc_dp_rxq *dp_rxq)
return rxq->pending - rxq->completed;
}
+static sfc_dp_rx_qdesc_status_t sfc_efx_rx_qdesc_status;
+static int
+sfc_efx_rx_qdesc_status(struct sfc_dp_rxq *dp_rxq, uint16_t offset)
+{
+ struct sfc_efx_rxq *rxq = sfc_efx_rxq_by_dp_rxq(dp_rxq);
+
+ if (unlikely(offset > rxq->ptr_mask))
+ return -EINVAL;
+
+ /*
+ * Poll EvQ to derive up-to-date 'rxq->pending' figure;
+ * it is required for the queue to be running, but the
+ * check is omitted because API design assumes that it
+ * is the duty of the caller to satisfy all conditions
+ */
+ SFC_ASSERT((rxq->flags & SFC_EFX_RXQ_FLAG_RUNNING) ==
+ SFC_EFX_RXQ_FLAG_RUNNING);
+ sfc_ev_qpoll(rxq->evq);
+
+ /*
+ * There is a handful of reserved entries in the ring,
+ * but an explicit check whether the offset points to
+ * a reserved entry is neglected since the two checks
+ * below rely on the figures which take the HW limits
+ * into account and thus if an entry is reserved, the
+ * checks will fail and UNAVAIL code will be returned
+ */
+
+ if (offset < (rxq->pending - rxq->completed))
+ return RTE_ETH_RX_DESC_DONE;
+
+ if (offset < (rxq->added - rxq->completed))
+ return RTE_ETH_RX_DESC_AVAIL;
+
+ return RTE_ETH_RX_DESC_UNAVAIL;
+}
+
struct sfc_rxq *
sfc_rxq_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq)
{
@@ -498,6 +542,7 @@ struct sfc_dp_rx sfc_efx_rx = {
.qpurge = sfc_efx_rx_qpurge,
.supported_ptypes_get = sfc_efx_supported_ptypes_get,
.qdesc_npending = sfc_efx_rx_qdesc_npending,
+ .qdesc_status = sfc_efx_rx_qdesc_status,
.pkt_burst = sfc_efx_recv_pkts,
};
@@ -1050,31 +1095,39 @@ sfc_efx_to_rte_hash_type(efx_rx_hash_type_t efx_hash_types)
}
#endif
+#if EFSYS_OPT_RX_SCALE
static int
sfc_rx_rss_config(struct sfc_adapter *sa)
{
int rc = 0;
-#if EFSYS_OPT_RX_SCALE
if (sa->rss_channels > 0) {
- rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+ rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
+ EFX_RX_HASHALG_TOEPLITZ,
sa->rss_hash_types, B_TRUE);
if (rc != 0)
goto finish;
- rc = efx_rx_scale_key_set(sa->nic, sa->rss_key,
+ rc = efx_rx_scale_key_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
+ sa->rss_key,
sizeof(sa->rss_key));
if (rc != 0)
goto finish;
- rc = efx_rx_scale_tbl_set(sa->nic, sa->rss_tbl,
- sizeof(sa->rss_tbl));
+ rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
+ sa->rss_tbl, RTE_DIM(sa->rss_tbl));
}
finish:
-#endif
return rc;
}
+#else
+static int
+sfc_rx_rss_config(__rte_unused struct sfc_adapter *sa)
+{
+ return 0;
+}
+#endif
int
sfc_rx_start(struct sfc_adapter *sa)
@@ -1243,7 +1296,6 @@ sfc_rx_configure(struct sfc_adapter *sa)
{
struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
const unsigned int nb_rx_queues = sa->eth_dev->data->nb_rx_queues;
- unsigned int sw_index;
int rc;
sfc_log_init(sa, "nb_rx_queues=%u (old %u)",
@@ -1296,6 +1348,8 @@ sfc_rx_configure(struct sfc_adapter *sa)
MIN(sa->rxq_count, EFX_MAXRSS) : 0;
if (sa->rss_channels > 0) {
+ unsigned int sw_index;
+
for (sw_index = 0; sw_index < EFX_RSS_TBL_SIZE; ++sw_index)
sa->rss_tbl[sw_index] = sw_index % sa->rss_channels;
}