X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fi40e%2Fi40e_rxtx.c;h=2a28ee348c5e080b5537d03414035893135053ab;hb=e845e9ceb414b310aafaf3500b034478838e515a;hp=df855ff3af2db647e5a5dd1adfbf5ecfb067670e;hpb=a3c83a2527e138b9f8634057fbc52cc3a876559d;p=dpdk.git

diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index df855ff3af..2a28ee348c 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -40,9 +40,6 @@
 /* Base address of the HW descriptor ring should be 128B aligned. */
 #define I40E_RING_BASE_ALIGN	128
 
-#define I40E_SIMPLE_FLAGS ((uint32_t)ETH_TXQ_FLAGS_NOMULTSEGS | \
-					ETH_TXQ_FLAGS_NOOFFLOADS)
-
 #define I40E_TXD_CMD (I40E_TX_DESC_CMD_EOP | I40E_TX_DESC_CMD_RS)
 
 #ifdef RTE_LIBRTE_IEEE1588
@@ -1240,7 +1237,7 @@ i40e_tx_free_bufs(struct i40e_tx_queue *txq)
 	for (i = 0; i < txq->tx_rs_thresh; i++)
 		rte_prefetch0((txep + i)->mbuf);
 
-	if (txq->txq_flags & (uint32_t)ETH_TXQ_FLAGS_NOREFCOUNT) {
+	if (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) {
 		for (i = 0; i < txq->tx_rs_thresh; ++i, ++txep) {
 			rte_mempool_put(txep->mbuf->pool, txep->mbuf);
 			txep->mbuf = NULL;
@@ -1442,13 +1439,15 @@ i40e_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
 
 		/* Check for m->nb_segs to not exceed the limits. */
 		if (!(ol_flags & PKT_TX_TCP_SEG)) {
-			if (m->nb_segs > I40E_TX_MAX_SEG ||
-			    m->nb_segs > I40E_TX_MAX_MTU_SEG) {
+			if (m->nb_segs > I40E_TX_MAX_MTU_SEG ||
+			    m->pkt_len > I40E_FRAME_SIZE_MAX) {
 				rte_errno = -EINVAL;
 				return i;
 			}
-		} else if ((m->tso_segsz < I40E_MIN_TSO_MSS) ||
-				(m->tso_segsz > I40E_MAX_TSO_MSS)) {
+		} else if (m->nb_segs > I40E_TX_MAX_SEG ||
+			   m->tso_segsz < I40E_MIN_TSO_MSS ||
+			   m->tso_segsz > I40E_MAX_TSO_MSS ||
+			   m->pkt_len > I40E_TSO_FRAME_SIZE_MAX) {
 			/* MSS outside the range (256B - 9674B) are considered
 			 * malicious
 			 */
@@ -1461,6 +1460,12 @@ i40e_prep_pkts(__rte_unused void *tx_queue, struct rte_mbuf **tx_pkts,
 			return i;
 		}
 
+		/* check the size of packet */
+		if (m->pkt_len < I40E_TX_MIN_PKT_LEN) {
+			rte_errno = -EINVAL;
+			return i;
+		}
+
 #ifdef RTE_LIBRTE_ETHDEV_DEBUG
 		ret = rte_validate_tx_offload(m);
 		if (ret != 0) {
@@ -1527,38 +1532,36 @@ int
 i40e_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 {
 	struct i40e_rx_queue *rxq;
-	int err = -1;
+	int err;
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
 	PMD_INIT_FUNC_TRACE();
 
-	if (rx_queue_id < dev->data->nb_rx_queues) {
-		rxq = dev->data->rx_queues[rx_queue_id];
-
-		err = i40e_alloc_rx_queue_mbufs(rxq);
-		if (err) {
-			PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
-			return err;
-		}
+	rxq = dev->data->rx_queues[rx_queue_id];
 
-		rte_wmb();
+	err = i40e_alloc_rx_queue_mbufs(rxq);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
+		return err;
+	}
 
-		/* Init the RX tail regieter. */
-		I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
+	rte_wmb();
 
-		err = i40e_switch_rx_queue(hw, rxq->reg_idx, TRUE);
+	/* Init the RX tail regieter. */
+	I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
 
-		if (err) {
-			PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
-				    rx_queue_id);
+	err = i40e_switch_rx_queue(hw, rxq->reg_idx, TRUE);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
+			    rx_queue_id);
 
-			i40e_rx_queue_release_mbufs(rxq);
-			i40e_reset_rx_queue(rxq);
-		} else
-			dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
+		i40e_rx_queue_release_mbufs(rxq);
+		i40e_reset_rx_queue(rxq);
+		return err;
 	}
+	dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 
-	return err;
+	return 0;
 }
 
 int
@@ -1568,24 +1571,21 @@ i40e_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 	int err;
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
-	if (rx_queue_id < dev->data->nb_rx_queues) {
-		rxq = dev->data->rx_queues[rx_queue_id];
+	rxq = dev->data->rx_queues[rx_queue_id];
 
-		/*
-		* rx_queue_id is queue id application refers to, while
-		* rxq->reg_idx is the real queue index.
-		*/
-		err = i40e_switch_rx_queue(hw, rxq->reg_idx, FALSE);
-
-		if (err) {
-			PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
-				    rx_queue_id);
-			return err;
-		}
-		i40e_rx_queue_release_mbufs(rxq);
-		i40e_reset_rx_queue(rxq);
-		dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+	/*
+	 * rx_queue_id is queue id application refers to, while
+	 * rxq->reg_idx is the real queue index.
+	 */
+	err = i40e_switch_rx_queue(hw, rxq->reg_idx, FALSE);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
+			    rx_queue_id);
+		return err;
 	}
+	i40e_rx_queue_release_mbufs(rxq);
+	i40e_reset_rx_queue(rxq);
+	dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 
 	return 0;
 }
@@ -1593,28 +1593,27 @@ i40e_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 int
 i40e_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 {
-	int err = -1;
+	int err;
 	struct i40e_tx_queue *txq;
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
 	PMD_INIT_FUNC_TRACE();
 
-	if (tx_queue_id < dev->data->nb_tx_queues) {
-		txq = dev->data->tx_queues[tx_queue_id];
+	txq = dev->data->tx_queues[tx_queue_id];
 
-		/*
-		* tx_queue_id is queue id application refers to, while
-		* rxq->reg_idx is the real queue index.
-		*/
-		err = i40e_switch_tx_queue(hw, txq->reg_idx, TRUE);
-		if (err)
-			PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
-				    tx_queue_id);
-		else
-			dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
+	/*
+	 * tx_queue_id is queue id application refers to, while
+	 * rxq->reg_idx is the real queue index.
+	 */
+	err = i40e_switch_tx_queue(hw, txq->reg_idx, TRUE);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
+			    tx_queue_id);
+		return err;
 	}
+	dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 
-	return err;
+	return 0;
 }
 
 int
@@ -1624,26 +1623,23 @@ i40e_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 	int err;
 	struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 
-	if (tx_queue_id < dev->data->nb_tx_queues) {
-		txq = dev->data->tx_queues[tx_queue_id];
+	txq = dev->data->tx_queues[tx_queue_id];
 
-		/*
-		* tx_queue_id is queue id application refers to, while
-		* txq->reg_idx is the real queue index.
-		*/
-		err = i40e_switch_tx_queue(hw, txq->reg_idx, FALSE);
-
-		if (err) {
-			PMD_DRV_LOG(ERR, "Failed to switch TX queue %u of",
-				    tx_queue_id);
-			return err;
-		}
-
-		i40e_tx_queue_release_mbufs(txq);
-		i40e_reset_tx_queue(txq);
-		dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+	/*
+	 * tx_queue_id is queue id application refers to, while
+	 * txq->reg_idx is the real queue index.
+	 */
+	err = i40e_switch_tx_queue(hw, txq->reg_idx, FALSE);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to switch TX queue %u of",
+			    tx_queue_id);
+		return err;
 	}
 
+	i40e_tx_queue_release_mbufs(txq);
+	i40e_reset_tx_queue(txq);
+	dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
+
 	return 0;
 }
 
@@ -1692,20 +1688,6 @@ i40e_dev_supported_ptypes_get(struct rte_eth_dev *dev)
 	return NULL;
 }
 
-static int
-i40e_check_rx_queue_offloads(struct rte_eth_dev *dev, uint64_t requested)
-{
-	struct rte_eth_dev_info dev_info;
-	uint64_t mandatory = dev->data->dev_conf.rxmode.offloads;
-	uint64_t supported; /* All per port offloads */
-
-	dev->dev_ops->dev_infos_get(dev, &dev_info);
-	supported = dev_info.rx_offload_capa ^ dev_info.rx_queue_offload_capa;
-	if ((requested & dev_info.rx_offload_capa) != requested)
-		return 0; /* requested range check */
-	return !((mandatory ^ requested) & supported);
-}
-
 static int
 i40e_dev_first_queue(uint16_t idx, void **queues, int num)
 {
@@ -1795,18 +1777,9 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	uint16_t len, i;
 	uint16_t reg_idx, base, bsf, tc_mapping;
 	int q_offset, use_def_burst_func = 1;
-	struct rte_eth_dev_info dev_info;
+	uint64_t offloads;
 
-	if (!i40e_check_rx_queue_offloads(dev, rx_conf->offloads)) {
-		dev->dev_ops->dev_infos_get(dev, &dev_info);
-		PMD_INIT_LOG(ERR, "%p: Rx queue offloads 0x%" PRIx64
-			" don't match port  offloads 0x%" PRIx64
-			" or supported offloads 0x%" PRIx64,
-			(void *)dev, rx_conf->offloads,
-			dev->data->dev_conf.rxmode.offloads,
-			dev_info.rx_offload_capa);
-		return -ENOTSUP;
-	}
+	offloads = rx_conf->offloads | dev->data->dev_conf.rxmode.offloads;
 
 	if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) {
 		vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
@@ -1855,11 +1828,14 @@ i40e_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	rxq->queue_id = queue_idx;
 	rxq->reg_idx = reg_idx;
 	rxq->port_id = dev->data->port_id;
-	rxq->crc_len = (uint8_t)((dev->data->dev_conf.rxmode.offloads &
-			DEV_RX_OFFLOAD_CRC_STRIP) ? 0 : ETHER_CRC_LEN);
+	if (rte_eth_dev_must_keep_crc(dev->data->dev_conf.rxmode.offloads))
+		rxq->crc_len = ETHER_CRC_LEN;
+	else
+		rxq->crc_len = 0;
 	rxq->drop_en = rx_conf->rx_drop_en;
 	rxq->vsi = vsi;
 	rxq->rx_deferred_start = rx_conf->rx_deferred_start;
+	rxq->offloads = offloads;
 
 	/* Allocate the maximun number of RX ring hardware descriptor. */
 	len = I40E_MAX_RING_DESC;
@@ -2076,20 +2052,6 @@ i40e_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
 	return RTE_ETH_TX_DESC_FULL;
 }
 
-static int
-i40e_check_tx_queue_offloads(struct rte_eth_dev *dev, uint64_t requested)
-{
-	struct rte_eth_dev_info dev_info;
-	uint64_t mandatory = dev->data->dev_conf.txmode.offloads;
-	uint64_t supported; /* All per port offloads */
-
-	dev->dev_ops->dev_infos_get(dev, &dev_info);
-	supported = dev_info.tx_offload_capa ^ dev_info.tx_queue_offload_capa;
-	if ((requested & dev_info.tx_offload_capa) != requested)
-		return 0; /* requested range check */
-	return !((mandatory ^ requested) & supported);
-}
-
 static int
 i40e_dev_tx_queue_setup_runtime(struct rte_eth_dev *dev,
 				struct i40e_tx_queue *txq)
@@ -2108,11 +2070,9 @@ i40e_dev_tx_queue_setup_runtime(struct rte_eth_dev *dev,
 				 dev->data->nb_tx_queues)) {
 		/**
 		 * If it is the first queue to setup,
-		 * set all flags to default and call
+		 * set all flags and call
 		 * i40e_set_tx_function.
 		 */
-		ad->tx_simple_allowed = true;
-		ad->tx_vec_allowed = true;
 		i40e_set_tx_function_flag(dev, txq);
 		i40e_set_tx_function(dev);
 		return 0;
@@ -2128,9 +2088,8 @@ i40e_dev_tx_queue_setup_runtime(struct rte_eth_dev *dev,
 	}
 	/* check simple tx conflict */
 	if (ad->tx_simple_allowed) {
-		if (((txq->txq_flags & I40E_SIMPLE_FLAGS) !=
-		     I40E_SIMPLE_FLAGS) ||
-		    txq->tx_rs_thresh < RTE_PMD_I40E_TX_MAX_BURST) {
+		if ((txq->offloads & ~DEV_TX_OFFLOAD_MBUF_FAST_FREE) != 0 ||
+				txq->tx_rs_thresh < RTE_PMD_I40E_TX_MAX_BURST) {
 			PMD_DRV_LOG(ERR, "No-simple tx is required.");
 			return -EINVAL;
 		}
@@ -2156,16 +2115,9 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	uint16_t tx_rs_thresh, tx_free_thresh;
 	uint16_t reg_idx, i, base, bsf, tc_mapping;
 	int q_offset;
-	struct rte_eth_dev_info dev_info;
+	uint64_t offloads;
 
-	if (!i40e_check_tx_queue_offloads(dev, tx_conf->offloads)) {
-		dev->dev_ops->dev_infos_get(dev, &dev_info);
-		PMD_INIT_LOG(ERR, "%p: Tx queue offloads 0x%" PRIx64
-			" don't match port  offloads 0x%" PRIx64
-			" or supported offloads 0x%" PRIx64,
-			(void *)dev, tx_conf->offloads,
-			dev->data->dev_conf.txmode.offloads,
-			dev_info.tx_offload_capa); }
+	offloads = tx_conf->offloads | dev->data->dev_conf.txmode.offloads;
 
 	if (hw->mac.type == I40E_MAC_VF || hw->mac.type == I40E_MAC_X722_VF) {
 		vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
@@ -2300,7 +2252,7 @@ i40e_dev_tx_queue_setup(struct rte_eth_dev *dev,
 	txq->queue_id = queue_idx;
 	txq->reg_idx = reg_idx;
 	txq->port_id = dev->data->port_id;
-	txq->txq_flags = tx_conf->txq_flags;
+	txq->offloads = offloads;
 	txq->vsi = vsi;
 	txq->tx_deferred_start = tx_conf->tx_deferred_start;
 
@@ -2953,8 +2905,8 @@ i40e_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id,
 
 	qinfo->conf.tx_free_thresh = txq->tx_free_thresh;
 	qinfo->conf.tx_rs_thresh = txq->tx_rs_thresh;
-	qinfo->conf.txq_flags = txq->txq_flags;
 	qinfo->conf.tx_deferred_start = txq->tx_deferred_start;
+	qinfo->conf.offloads = txq->offloads;
 }
 
 void __attribute__((cold))
@@ -3077,19 +3029,24 @@ i40e_set_tx_function_flag(struct rte_eth_dev *dev, struct i40e_tx_queue *txq)
 	struct i40e_adapter *ad =
 		I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
 
-	/* Use a simple Tx queue (no offloads, no multi segs) if possible */
-	if (((txq->txq_flags & I40E_SIMPLE_FLAGS) == I40E_SIMPLE_FLAGS)
-			&& (txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST)) {
-		if (txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ) {
-			PMD_INIT_LOG(DEBUG, "Vector tx"
-				     " can be enabled on this txq.");
-
-		} else {
-			ad->tx_vec_allowed = false;
-		}
-	} else {
-		ad->tx_simple_allowed = false;
-	}
+	/* Use a simple Tx queue if possible (only fast free is allowed) */
+	ad->tx_simple_allowed =
+		(txq->offloads ==
+		 (txq->offloads & DEV_TX_OFFLOAD_MBUF_FAST_FREE) &&
+		 txq->tx_rs_thresh >= RTE_PMD_I40E_TX_MAX_BURST);
+	ad->tx_vec_allowed = (ad->tx_simple_allowed &&
+			txq->tx_rs_thresh <= RTE_I40E_TX_MAX_FREE_BUF_SZ);
+
+	if (ad->tx_vec_allowed)
+		PMD_INIT_LOG(DEBUG, "Vector Tx can be enabled on Tx queue %u.",
+				txq->queue_id);
+	else if (ad->tx_simple_allowed)
+		PMD_INIT_LOG(DEBUG, "Simple Tx can be enabled on Tx queue %u.",
+				txq->queue_id);
+	else
+		PMD_INIT_LOG(DEBUG,
+				"Neither simple nor vector Tx enabled on Tx queue %u\n",
+				txq->queue_id);
 }
 
 void __attribute__((cold))