X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ethdev.c;h=93fff421e6d220c66b3c03ec014c23f8f9bc0c23;hb=32bcfb0a50b157902280898673b72b703cb20535;hp=ad6f813678f3a94a92a0cb130f88265b6715a36b;hpb=04aa6b9c5fd7616828e0ebe8b4747a2614aa220e;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index ad6f813678..93fff421e6 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -46,6 +46,7 @@ static void
 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
+	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
 
 	sfc_log_init(sa, "entry");
 
@@ -77,8 +78,19 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 		DEV_TX_OFFLOAD_UDP_CKSUM |
 		DEV_TX_OFFLOAD_TCP_CKSUM;
 
-	dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL |
-					     ETH_TXQ_FLAGS_NOXSUMSCTP;
+	dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
+	if (!encp->enc_hw_tx_insert_vlan_enabled)
+		dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
+	else
+		dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
+
+#if EFSYS_OPT_RX_SCALE
+	if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
+		dev_info->reta_size = EFX_RSS_TBL_SIZE;
+		dev_info->hash_key_size = SFC_RSS_KEY_SIZE;
+		dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
+	}
+#endif
 
 	dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
 	dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
@@ -839,11 +851,37 @@ sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
 	qinfo->mp = rxq->refill_mb_pool;
 	qinfo->conf.rx_free_thresh = rxq->refill_threshold;
 	qinfo->conf.rx_drop_en = 1;
+	qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
+	qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
 	qinfo->nb_desc = rxq_info->entries;
 
 	sfc_adapter_unlock(sa);
 }
 
+static void
+sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+		      struct rte_eth_txq_info *qinfo)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_txq_info *txq_info;
+
+	sfc_adapter_lock(sa);
+
+	SFC_ASSERT(tx_queue_id < sa->txq_count);
+
+	txq_info = &sa->txq_info[tx_queue_id];
+	SFC_ASSERT(txq_info->txq != NULL);
+
+	memset(qinfo, 0, sizeof(*qinfo));
+
+	qinfo->conf.txq_flags = txq_info->txq->flags;
+	qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
+	qinfo->conf.tx_deferred_start = txq_info->deferred_start;
+	qinfo->nb_desc = txq_info->entries;
+
+	sfc_adapter_unlock(sa);
+}
+
 static uint32_t
 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
@@ -854,6 +892,291 @@ sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	return sfc_rx_qdesc_npending(sa, rx_queue_id);
 }
 
+static int
+sfc_rx_descriptor_done(void *queue, uint16_t offset)
+{
+	struct sfc_rxq *rxq = queue;
+
+	return sfc_rx_qdesc_done(rxq, offset);
+}
+
+static int
+sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = EINVAL;
+	if (sa->state != SFC_ADAPTER_STARTED)
+		goto fail_not_started;
+
+	rc = sfc_rx_qstart(sa, rx_queue_id);
+	if (rc != 0)
+		goto fail_rx_qstart;
+
+	sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_rx_qstart:
+fail_not_started:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+	sfc_adapter_lock(sa);
+	sfc_rx_qstop(sa, rx_queue_id);
+
+	sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int rc;
+
+	sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	rc = EINVAL;
+	if (sa->state != SFC_ADAPTER_STARTED)
+		goto fail_not_started;
+
+	rc = sfc_tx_qstart(sa, tx_queue_id);
+	if (rc != 0)
+		goto fail_tx_qstart;
+
+	sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
+
+	sfc_adapter_unlock(sa);
+	return 0;
+
+fail_tx_qstart:
+
+fail_not_started:
+	sfc_adapter_unlock(sa);
+	SFC_ASSERT(rc > 0);
+	return -rc;
+}
+
+static int
+sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+	sfc_adapter_lock(sa);
+
+	sfc_tx_qstop(sa, tx_queue_id);
+
+	sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
+
+	sfc_adapter_unlock(sa);
+	return 0;
+}
+
+#if EFSYS_OPT_RX_SCALE
+static int
+sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+			  struct rte_eth_rss_conf *rss_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+
+	if ((sa->rss_channels == 1) ||
+	    (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
+		return -ENOTSUP;
+
+	sfc_adapter_lock(sa);
+
+	/*
+	 * Mapping of hash configuration between RTE and EFX is not one-to-one,
+	 * hence, conversion is done here to derive a correct set of ETH_RSS
+	 * flags which corresponds to the active EFX configuration stored
+	 * locally in 'sfc_adapter' and kept up-to-date
+	 */
+	rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
+	rss_conf->rss_key_len = SFC_RSS_KEY_SIZE;
+	if (rss_conf->rss_key != NULL)
+		rte_memcpy(rss_conf->rss_key, sa->rss_key, SFC_RSS_KEY_SIZE);
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
+			struct rte_eth_rss_conf *rss_conf)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int efx_hash_types;
+	int rc = 0;
+
+	if ((sa->rss_channels == 1) ||
+	    (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
+		sfc_err(sa, "RSS is not available");
+		return -ENOTSUP;
+	}
+
+	if ((rss_conf->rss_key != NULL) &&
+	    (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
+		sfc_err(sa, "RSS key size is wrong (should be %lu)",
+			sizeof(sa->rss_key));
+		return -EINVAL;
+	}
+
+	if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
+		sfc_err(sa, "unsupported hash functions requested");
+		return -EINVAL;
+	}
+
+	sfc_adapter_lock(sa);
+
+	efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
+
+	rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+				   efx_hash_types, B_TRUE);
+	if (rc != 0)
+		goto fail_scale_mode_set;
+
+	if (rss_conf->rss_key != NULL) {
+		if (sa->state == SFC_ADAPTER_STARTED) {
+			rc = efx_rx_scale_key_set(sa->nic, rss_conf->rss_key,
+						  sizeof(sa->rss_key));
+			if (rc != 0)
+				goto fail_scale_key_set;
+		}
+
+		rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
+	}
+
+	sa->rss_hash_types = efx_hash_types;
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+
+fail_scale_key_set:
+	if (efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+				  sa->rss_hash_types, B_TRUE) != 0)
+		sfc_err(sa, "failed to restore RSS mode");
+
+fail_scale_mode_set:
+	sfc_adapter_unlock(sa);
+	return -rc;
+}
+
+static int
+sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
+		       struct rte_eth_rss_reta_entry64 *reta_conf,
+		       uint16_t reta_size)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	int entry;
+
+	if ((sa->rss_channels == 1) ||
+	    (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE))
+		return -ENOTSUP;
+
+	if (reta_size != EFX_RSS_TBL_SIZE)
+		return -EINVAL;
+
+	sfc_adapter_lock(sa);
+
+	for (entry = 0; entry < reta_size; entry++) {
+		int grp = entry / RTE_RETA_GROUP_SIZE;
+		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+
+		if ((reta_conf[grp].mask >> grp_idx) & 1)
+			reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
+	}
+
+	sfc_adapter_unlock(sa);
+
+	return 0;
+}
+
+static int
+sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
+			struct rte_eth_rss_reta_entry64 *reta_conf,
+			uint16_t reta_size)
+{
+	struct sfc_adapter *sa = dev->data->dev_private;
+	unsigned int *rss_tbl_new;
+	uint16_t entry;
+	int rc;
+
+
+	if ((sa->rss_channels == 1) ||
+	    (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)) {
+		sfc_err(sa, "RSS is not available");
+		return -ENOTSUP;
+	}
+
+	if (reta_size != EFX_RSS_TBL_SIZE) {
+		sfc_err(sa, "RETA size is wrong (should be %u)",
+			EFX_RSS_TBL_SIZE);
+		return -EINVAL;
+	}
+
+	rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
+	if (rss_tbl_new == NULL)
+		return -ENOMEM;
+
+	sfc_adapter_lock(sa);
+
+	rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
+
+	for (entry = 0; entry < reta_size; entry++) {
+		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+		struct rte_eth_rss_reta_entry64 *grp;
+
+		grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
+
+		if (grp->mask & (1ull << grp_idx)) {
+			if (grp->reta[grp_idx] >= sa->rss_channels) {
+				rc = EINVAL;
+				goto bad_reta_entry;
+			}
+			rss_tbl_new[entry] = grp->reta[grp_idx];
+		}
+	}
+
+	rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
+	if (rc == 0)
+		rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
+
+bad_reta_entry:
+	sfc_adapter_unlock(sa);
+
+	rte_free(rss_tbl_new);
+
+	SFC_ASSERT(rc >= 0);
+	return -rc;
+}
+#endif
+
 static const struct eth_dev_ops sfc_eth_dev_ops = {
 	.dev_configure			= sfc_dev_configure,
 	.dev_start			= sfc_dev_start,
@@ -872,16 +1195,28 @@ static const struct eth_dev_ops sfc_eth_dev_ops = {
 	.dev_infos_get			= sfc_dev_infos_get,
 	.dev_supported_ptypes_get	= sfc_dev_supported_ptypes_get,
 	.mtu_set			= sfc_dev_set_mtu,
+	.rx_queue_start			= sfc_rx_queue_start,
+	.rx_queue_stop			= sfc_rx_queue_stop,
+	.tx_queue_start			= sfc_tx_queue_start,
+	.tx_queue_stop			= sfc_tx_queue_stop,
 	.rx_queue_setup			= sfc_rx_queue_setup,
 	.rx_queue_release		= sfc_rx_queue_release,
 	.rx_queue_count			= sfc_rx_queue_count,
+	.rx_descriptor_done		= sfc_rx_descriptor_done,
 	.tx_queue_setup			= sfc_tx_queue_setup,
 	.tx_queue_release		= sfc_tx_queue_release,
 	.flow_ctrl_get			= sfc_flow_ctrl_get,
 	.flow_ctrl_set			= sfc_flow_ctrl_set,
 	.mac_addr_set			= sfc_mac_addr_set,
+#if EFSYS_OPT_RX_SCALE
+	.reta_update			= sfc_dev_rss_reta_update,
+	.reta_query			= sfc_dev_rss_reta_query,
+	.rss_hash_update		= sfc_dev_rss_hash_update,
+	.rss_hash_conf_get		= sfc_dev_rss_hash_conf_get,
+#endif
 	.set_mc_addr_list		= sfc_set_mc_addr_list,
 	.rxq_info_get			= sfc_rx_queue_info_get,
+	.txq_info_get			= sfc_tx_queue_info_get,
 };
 
 static int