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From: Jiawen Wu <jiawenwu@trustnetic.com>
To: dev@dpdk.org
Cc: jiawenwu <jiawenwu@trustnetic.com>
Subject: [dpdk-dev] [PATCH v2 56/56] net/txgbe: add Rx and Tx descriptor status
Date: Mon,  5 Oct 2020 20:09:10 +0800	[thread overview]
Message-ID: <20201005120910.189343-57-jiawenwu@trustnetic.com> (raw)
In-Reply-To: <20201005120910.189343-1-jiawenwu@trustnetic.com>

From: jiawenwu <jiawenwu@trustnetic.com>

Supports check the status of Rx and Tx descriptors.

Signed-off-by: jiawenwu <jiawenwu@trustnetic.com>
---
 doc/guides/nics/features/txgbe.ini |   2 +
 drivers/net/txgbe/txgbe_ethdev.c   |   5 +
 drivers/net/txgbe/txgbe_ethdev.h   |   8 ++
 drivers/net/txgbe/txgbe_rxtx.c     | 182 +++++++++++++++++++++++++++++
 drivers/net/txgbe/txgbe_rxtx.h     |   1 +
 5 files changed, 198 insertions(+)

diff --git a/doc/guides/nics/features/txgbe.ini b/doc/guides/nics/features/txgbe.ini
index 1684bcc7e..7c457fede 100644
--- a/doc/guides/nics/features/txgbe.ini
+++ b/doc/guides/nics/features/txgbe.ini
@@ -37,6 +37,8 @@ Inner L3 checksum    = P
 Inner L4 checksum    = P
 Packet type parsing  = Y
 Timesync             = Y
+Rx descriptor status = Y
+Tx descriptor status = Y
 Basic stats          = Y
 Extended stats       = Y
 Stats per queue      = Y
diff --git a/drivers/net/txgbe/txgbe_ethdev.c b/drivers/net/txgbe/txgbe_ethdev.c
index 15d2bc07c..d127a03bf 100644
--- a/drivers/net/txgbe/txgbe_ethdev.c
+++ b/drivers/net/txgbe/txgbe_ethdev.c
@@ -4211,6 +4211,10 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = {
 	.rx_queue_intr_enable       = txgbe_dev_rx_queue_intr_enable,
 	.rx_queue_intr_disable      = txgbe_dev_rx_queue_intr_disable,
 	.rx_queue_release           = txgbe_dev_rx_queue_release,
+	.rx_queue_count             = txgbe_dev_rx_queue_count,
+	.rx_descriptor_done         = txgbe_dev_rx_descriptor_done,
+	.rx_descriptor_status       = txgbe_dev_rx_descriptor_status,
+	.tx_descriptor_status       = txgbe_dev_tx_descriptor_status,
 	.tx_queue_setup             = txgbe_dev_tx_queue_setup,
 	.tx_queue_release           = txgbe_dev_tx_queue_release,
 	.dev_led_on                 = txgbe_dev_led_on,
@@ -4247,6 +4251,7 @@ static const struct eth_dev_ops txgbe_eth_dev_ops = {
 	.timesync_adjust_time       = txgbe_timesync_adjust_time,
 	.timesync_read_time         = txgbe_timesync_read_time,
 	.timesync_write_time        = txgbe_timesync_write_time,
+	.tx_done_cleanup            = txgbe_dev_tx_done_cleanup,
 };
 
 RTE_PMD_REGISTER_PCI(net_txgbe, rte_txgbe_pmd);
diff --git a/drivers/net/txgbe/txgbe_ethdev.h b/drivers/net/txgbe/txgbe_ethdev.h
index 66ba8db39..2f4e9a81d 100644
--- a/drivers/net/txgbe/txgbe_ethdev.h
+++ b/drivers/net/txgbe/txgbe_ethdev.h
@@ -218,6 +218,14 @@ int  txgbe_dev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 		uint16_t nb_tx_desc, unsigned int socket_id,
 		const struct rte_eth_txconf *tx_conf);
 
+uint32_t txgbe_dev_rx_queue_count(struct rte_eth_dev *dev,
+		uint16_t rx_queue_id);
+
+int txgbe_dev_rx_descriptor_done(void *rx_queue, uint16_t offset);
+
+int txgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset);
+int txgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset);
+
 int txgbe_dev_rx_init(struct rte_eth_dev *dev);
 
 void txgbe_dev_tx_init(struct rte_eth_dev *dev);
diff --git a/drivers/net/txgbe/txgbe_rxtx.c b/drivers/net/txgbe/txgbe_rxtx.c
index 12fc49165..2dbd43b46 100644
--- a/drivers/net/txgbe/txgbe_rxtx.c
+++ b/drivers/net/txgbe/txgbe_rxtx.c
@@ -1962,6 +1962,97 @@ txgbe_tx_queue_release_mbufs(struct txgbe_tx_queue *txq)
 	}
 }
 
+static int
+txgbe_tx_done_cleanup_full(struct txgbe_tx_queue *txq, uint32_t free_cnt)
+{
+	struct txgbe_tx_entry *swr_ring = txq->sw_ring;
+	uint16_t i, tx_last, tx_id;
+	uint16_t nb_tx_free_last;
+	uint16_t nb_tx_to_clean;
+	uint32_t pkt_cnt;
+
+	/* Start free mbuf from the next of tx_tail */
+	tx_last = txq->tx_tail;
+	tx_id  = swr_ring[tx_last].next_id;
+
+	if (txq->nb_tx_free == 0 && txgbe_xmit_cleanup(txq))
+		return 0;
+
+	nb_tx_to_clean = txq->nb_tx_free;
+	nb_tx_free_last = txq->nb_tx_free;
+	if (!free_cnt)
+		free_cnt = txq->nb_tx_desc;
+
+	/* Loop through swr_ring to count the amount of
+	 * freeable mubfs and packets.
+	 */
+	for (pkt_cnt = 0; pkt_cnt < free_cnt; ) {
+		for (i = 0; i < nb_tx_to_clean &&
+			pkt_cnt < free_cnt &&
+			tx_id != tx_last; i++) {
+			if (swr_ring[tx_id].mbuf != NULL) {
+				rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf);
+				swr_ring[tx_id].mbuf = NULL;
+
+				/*
+				 * last segment in the packet,
+				 * increment packet count
+				 */
+				pkt_cnt += (swr_ring[tx_id].last_id == tx_id);
+			}
+
+			tx_id = swr_ring[tx_id].next_id;
+		}
+
+		if (pkt_cnt < free_cnt) {
+			if (txgbe_xmit_cleanup(txq))
+				break;
+
+			nb_tx_to_clean = txq->nb_tx_free - nb_tx_free_last;
+			nb_tx_free_last = txq->nb_tx_free;
+		}
+	}
+
+	return (int)pkt_cnt;
+}
+
+static int
+txgbe_tx_done_cleanup_simple(struct txgbe_tx_queue *txq,
+			uint32_t free_cnt)
+{
+	int i, n, cnt;
+
+	if (free_cnt == 0 || free_cnt > txq->nb_tx_desc)
+		free_cnt = txq->nb_tx_desc;
+
+	cnt = free_cnt - free_cnt % txq->tx_free_thresh;
+
+	for (i = 0; i < cnt; i += n) {
+		if (txq->nb_tx_desc - txq->nb_tx_free < txq->tx_free_thresh)
+			break;
+
+		n = txgbe_tx_free_bufs(txq);
+
+		if (n == 0)
+			break;
+	}
+
+	return i;
+}
+
+int
+txgbe_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt)
+{
+	struct txgbe_tx_queue *txq = (struct txgbe_tx_queue *)tx_queue;
+	if (txq->offloads == 0 &&
+		txq->tx_free_thresh >= RTE_PMD_TXGBE_TX_MAX_BURST) {
+
+		return txgbe_tx_done_cleanup_simple(txq, free_cnt);
+	}
+
+	return txgbe_tx_done_cleanup_full(txq, free_cnt);
+}
+
 static void __rte_cold
 txgbe_tx_free_swring(struct txgbe_tx_queue *txq)
 {
@@ -2546,6 +2637,97 @@ txgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
 	return 0;
 }
 
+uint32_t
+txgbe_dev_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+#define TXGBE_RXQ_SCAN_INTERVAL 4
+	volatile struct txgbe_rx_desc *rxdp;
+	struct txgbe_rx_queue *rxq;
+	uint32_t desc = 0;
+
+	rxq = dev->data->rx_queues[rx_queue_id];
+	rxdp = &(rxq->rx_ring[rxq->rx_tail]);
+
+	while ((desc < rxq->nb_rx_desc) &&
+		(rxdp->qw1.lo.status &
+			rte_cpu_to_le_32(TXGBE_RXD_STAT_DD))) {
+		desc += TXGBE_RXQ_SCAN_INTERVAL;
+		rxdp += TXGBE_RXQ_SCAN_INTERVAL;
+		if (rxq->rx_tail + desc >= rxq->nb_rx_desc)
+			rxdp = &(rxq->rx_ring[rxq->rx_tail +
+				desc - rxq->nb_rx_desc]);
+	}
+
+	return desc;
+}
+
+int
+txgbe_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
+{
+	volatile struct txgbe_rx_desc *rxdp;
+	struct txgbe_rx_queue *rxq = rx_queue;
+	uint32_t desc;
+
+	if (unlikely(offset >= rxq->nb_rx_desc))
+		return 0;
+	desc = rxq->rx_tail + offset;
+	if (desc >= rxq->nb_rx_desc)
+		desc -= rxq->nb_rx_desc;
+
+	rxdp = &rxq->rx_ring[desc];
+	return !!(rxdp->qw1.lo.status &
+			rte_cpu_to_le_32(TXGBE_RXD_STAT_DD));
+}
+
+int
+txgbe_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+	struct txgbe_rx_queue *rxq = rx_queue;
+	volatile uint32_t *status;
+	uint32_t nb_hold, desc;
+
+	if (unlikely(offset >= rxq->nb_rx_desc))
+		return -EINVAL;
+
+	nb_hold = rxq->nb_rx_hold;
+	if (offset >= rxq->nb_rx_desc - nb_hold)
+		return RTE_ETH_RX_DESC_UNAVAIL;
+
+	desc = rxq->rx_tail + offset;
+	if (desc >= rxq->nb_rx_desc)
+		desc -= rxq->nb_rx_desc;
+
+	status = &rxq->rx_ring[desc].qw1.lo.status;
+	if (*status & rte_cpu_to_le_32(TXGBE_RXD_STAT_DD))
+		return RTE_ETH_RX_DESC_DONE;
+
+	return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+txgbe_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+	struct txgbe_tx_queue *txq = tx_queue;
+	volatile uint32_t *status;
+	uint32_t desc;
+
+	if (unlikely(offset >= txq->nb_tx_desc))
+		return -EINVAL;
+
+	desc = txq->tx_tail + offset;
+	if (desc >= txq->nb_tx_desc) {
+		desc -= txq->nb_tx_desc;
+		if (desc >= txq->nb_tx_desc)
+			desc -= txq->nb_tx_desc;
+	}
+
+	status = &txq->tx_ring[desc].dw3;
+	if (*status & rte_cpu_to_le_32(TXGBE_TXD_DD))
+		return RTE_ETH_TX_DESC_DONE;
+
+	return RTE_ETH_TX_DESC_FULL;
+}
+
 void __rte_cold
 txgbe_dev_clear_queues(struct rte_eth_dev *dev)
 {
diff --git a/drivers/net/txgbe/txgbe_rxtx.h b/drivers/net/txgbe/txgbe_rxtx.h
index 958ca2e97..f773357a3 100644
--- a/drivers/net/txgbe/txgbe_rxtx.h
+++ b/drivers/net/txgbe/txgbe_rxtx.h
@@ -402,6 +402,7 @@ struct txgbe_txq_ops {
 void txgbe_set_tx_function(struct rte_eth_dev *dev, struct txgbe_tx_queue *txq);
 
 void txgbe_set_rx_function(struct rte_eth_dev *dev);
+int txgbe_dev_tx_done_cleanup(void *tx_queue, uint32_t free_cnt);
 
 uint64_t txgbe_get_tx_port_offloads(struct rte_eth_dev *dev);
 uint64_t txgbe_get_rx_queue_offloads(struct rte_eth_dev *dev);
-- 
2.18.4


  parent reply	other threads:[~2020-10-05 12:31 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-05 12:08 [dpdk-dev] [PATCH v2 00/56] net: txgbe PMD Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 01/56] net/txgbe: add build and doc infrastructure Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 02/56] net/txgbe: add ethdev probe and remove Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 03/56] net/txgbe: add device init and uninit Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 04/56] net/txgbe: add error types and registers Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 05/56] net/txgbe: add mac type and bus lan id Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 06/56] net/txgbe: add HW infrastructure and dummy function Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 07/56] net/txgbe: add EEPROM functions Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 08/56] net/txgbe: add HW init and reset operation Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 09/56] net/txgbe: add PHY init Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 10/56] net/txgbe: add module identify Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 11/56] net/txgbe: add PHY reset Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 12/56] net/txgbe: add info get operation Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 13/56] net/txgbe: add interrupt operation Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 14/56] net/txgbe: add device configure operation Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 15/56] net/txgbe: add link status change Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 16/56] net/txgbe: add multi-speed link setup Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 17/56] net/txgbe: add autoc read and write Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 18/56] net/txgbe: add MAC address operations Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 19/56] net/txgbe: add unicast hash bitmap Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 20/56] net/txgbe: add RX and TX init Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 21/56] net/txgbe: add RX and TX queues setup and release Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 22/56] net/txgbe: add RX and TX start and stop Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 23/56] net/txgbe: add packet type Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 24/56] net/txgbe: fill simple transmit function Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 25/56] net/txgbe: fill transmit function with hardware offload Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 26/56] net/txgbe: fill TX prepare funtion Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 27/56] net/txgbe: fill receive functions Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 28/56] net/txgbe: add device start operation Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 29/56] net/txgbe: add RX and TX data path start and stop Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 30/56] net/txgbe: add device stop and close operations Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 31/56] net/txgbe: support RX interrupt Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 32/56] net/txgbe: add RX and TX queue info get Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 33/56] net/txgbe: add device stats get Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 34/56] net/txgbe: add device xstats get Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 35/56] net/txgbe: add queue stats mapping Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 36/56] net/txgbe: add VLAN handle support Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 37/56] net/txgbe: add SWFW semaphore and lock Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 38/56] net/txgbe: add PF module init and uninit for SRIOV Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 39/56] net/txgbe: add process mailbox operation Jiawen Wu
2020-10-06 11:05   ` Ferruh Yigit
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 40/56] net/txgbe: add PF module configure for SRIOV Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 41/56] net/txgbe: add VMDq configure Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 42/56] net/txgbe: add RSS support Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 43/56] net/txgbe: add DCB support Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 44/56] net/txgbe: add flow control support Jiawen Wu
2020-10-05 12:08 ` [dpdk-dev] [PATCH v2 45/56] net/txgbe: add FC auto negotiation support Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 46/56] net/txgbe: add priority flow control support Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 47/56] net/txgbe: add device promiscuous and allmulticast mode Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 48/56] net/txgbe: add MTU set operation Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 49/56] net/txgbe: add FW version get operation Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 50/56] net/txgbe: add EEPROM info " Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 51/56] net/txgbe: add register dump support Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 52/56] net/txgbe: support device LED on and off Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 53/56] net/txgbe: add mirror rule operations Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 54/56] net/txgbe: add PTP support Jiawen Wu
2020-10-05 12:09 ` [dpdk-dev] [PATCH v2 55/56] net/txgbe: add DCB info get operation Jiawen Wu
2020-10-05 12:09 ` Jiawen Wu [this message]
2020-10-06 11:02 ` [dpdk-dev] [PATCH v2 00/56] net: txgbe PMD Ferruh Yigit
2020-10-09  3:03   ` jiawenwu
2020-10-09  9:47     ` Ferruh Yigit
2020-10-10  9:45       ` Jiawen Wu
2020-10-12  8:37         ` Ferruh Yigit

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