From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org, thomas.monjalon@6wind.com,
konstantin.ananyev@intel.com, wenzhuo.lu@intel.com,
helin.zhang@intel.com, jingjing.wu@intel.com,
adrien.mazarguil@6wind.com, nelio.laranjeiro@6wind.com
Cc: ferruh.yigit@intel.com, bruce.richardson@intel.com,
venky.venkatesan@intel.com, arybchenko@solarflare.com
Subject: [PATCH v2 6/6] net/i40e: implement descriptor status API
Date: Tue, 7 Mar 2017 16:59:53 +0100 [thread overview]
Message-ID: <1488902393-7237-7-git-send-email-olivier.matz@6wind.com> (raw)
In-Reply-To: <1488902393-7237-1-git-send-email-olivier.matz@6wind.com>
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
doc/guides/nics/features/i40e.ini | 2 ++
doc/guides/nics/features/i40e_vec.ini | 2 ++
doc/guides/nics/features/i40e_vf.ini | 2 ++
doc/guides/nics/features/i40e_vf_vec.ini | 2 ++
drivers/net/i40e/i40e_ethdev.c | 2 ++
drivers/net/i40e/i40e_ethdev_vf.c | 2 ++
drivers/net/i40e/i40e_rxtx.c | 58 ++++++++++++++++++++++++++++++++
drivers/net/i40e/i40e_rxtx.h | 2 ++
8 files changed, 72 insertions(+)
diff --git a/doc/guides/nics/features/i40e.ini b/doc/guides/nics/features/i40e.ini
index 6d11cce..4725f02 100644
--- a/doc/guides/nics/features/i40e.ini
+++ b/doc/guides/nics/features/i40e.ini
@@ -38,6 +38,8 @@ Inner L3 checksum = Y
Inner L4 checksum = Y
Packet type parsing = Y
Timesync = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
FW version = Y
diff --git a/doc/guides/nics/features/i40e_vec.ini b/doc/guides/nics/features/i40e_vec.ini
index edd6b71..2f95eb6 100644
--- a/doc/guides/nics/features/i40e_vec.ini
+++ b/doc/guides/nics/features/i40e_vec.ini
@@ -29,6 +29,8 @@ Flow director = Y
Flow control = Y
Traffic mirroring = Y
Timesync = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
Multiprocess aware = Y
diff --git a/doc/guides/nics/features/i40e_vf.ini b/doc/guides/nics/features/i40e_vf.ini
index 2f82c6b..60bdf7a 100644
--- a/doc/guides/nics/features/i40e_vf.ini
+++ b/doc/guides/nics/features/i40e_vf.ini
@@ -26,6 +26,8 @@ L4 checksum offload = Y
Inner L3 checksum = Y
Inner L4 checksum = Y
Packet type parsing = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
Multiprocess aware = Y
diff --git a/doc/guides/nics/features/i40e_vf_vec.ini b/doc/guides/nics/features/i40e_vf_vec.ini
index d6674f7..5766aaf 100644
--- a/doc/guides/nics/features/i40e_vf_vec.ini
+++ b/doc/guides/nics/features/i40e_vf_vec.ini
@@ -18,6 +18,8 @@ RSS key update = Y
RSS reta update = Y
VLAN filter = Y
Hash filter = Y
+Rx Descriptor Status = Y
+Tx Descriptor Status = Y
Basic stats = Y
Extended stats = Y
Multiprocess aware = Y
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 303027b..8b5fd54 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -479,6 +479,8 @@ static const struct eth_dev_ops i40e_eth_dev_ops = {
.rx_queue_release = i40e_dev_rx_queue_release,
.rx_queue_count = i40e_dev_rx_queue_count,
.rx_descriptor_done = i40e_dev_rx_descriptor_done,
+ .rx_descriptor_status = i40e_dev_rx_descriptor_status,
+ .tx_descriptor_status = i40e_dev_tx_descriptor_status,
.tx_queue_setup = i40e_dev_tx_queue_setup,
.tx_queue_release = i40e_dev_tx_queue_release,
.dev_led_on = i40e_dev_led_on,
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 55fd344..d3659c9 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -217,6 +217,8 @@ static const struct eth_dev_ops i40evf_eth_dev_ops = {
.rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
.rx_descriptor_done = i40e_dev_rx_descriptor_done,
+ .rx_descriptor_status = i40e_dev_rx_descriptor_status,
+ .tx_descriptor_status = i40e_dev_tx_descriptor_status,
.tx_queue_setup = i40e_dev_tx_queue_setup,
.tx_queue_release = i40e_dev_tx_queue_release,
.rx_queue_count = i40e_dev_rx_queue_count,
diff --git a/drivers/net/i40e/i40e_rxtx.c b/drivers/net/i40e/i40e_rxtx.c
index 48429cc..524be62 100644
--- a/drivers/net/i40e/i40e_rxtx.c
+++ b/drivers/net/i40e/i40e_rxtx.c
@@ -1929,6 +1929,64 @@ i40e_dev_rx_descriptor_done(void *rx_queue, uint16_t offset)
}
int
+i40e_dev_rx_descriptor_status(void *rx_queue, uint16_t offset)
+{
+ struct i40e_rx_queue *rxq = rx_queue;
+ volatile uint64_t *status;
+ uint64_t mask;
+ uint32_t desc;
+
+ if (unlikely(offset >= rxq->nb_rx_desc))
+ return -EINVAL;
+
+ if (offset >= rxq->nb_rx_desc - rxq->nb_rx_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].wb.qword1.status_error_len;
+ mask = rte_le_to_cpu_64((1ULL << I40E_RX_DESC_STATUS_DD_SHIFT)
+ << I40E_RXD_QW1_STATUS_SHIFT);
+ if (*status & mask)
+ return RTE_ETH_RX_DESC_DONE;
+
+ return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+i40e_dev_tx_descriptor_status(void *tx_queue, uint16_t offset)
+{
+ struct i40e_tx_queue *txq = tx_queue;
+ volatile uint64_t *status;
+ uint64_t mask, expect;
+ uint32_t desc;
+
+ if (unlikely(offset >= txq->nb_tx_desc))
+ return -EINVAL;
+
+ desc = txq->tx_tail + offset;
+ /* go to next desc that has the RS bit */
+ desc = ((desc + txq->tx_rs_thresh - 1) / txq->tx_rs_thresh) *
+ txq->tx_rs_thresh;
+ 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].cmd_type_offset_bsz;
+ mask = rte_le_to_cpu_64(I40E_TXD_QW1_DTYPE_MASK);
+ expect = rte_cpu_to_le_64(
+ I40E_TX_DESC_DTYPE_DESC_DONE << I40E_TXD_QW1_DTYPE_SHIFT);
+ if ((*status & mask) == expect)
+ return RTE_ETH_TX_DESC_DONE;
+
+ return RTE_ETH_TX_DESC_FULL;
+}
+
+int
i40e_dev_tx_queue_setup(struct rte_eth_dev *dev,
uint16_t queue_idx,
uint16_t nb_desc,
diff --git a/drivers/net/i40e/i40e_rxtx.h b/drivers/net/i40e/i40e_rxtx.h
index 9df8a56..7f63328 100644
--- a/drivers/net/i40e/i40e_rxtx.h
+++ b/drivers/net/i40e/i40e_rxtx.h
@@ -246,6 +246,8 @@ void i40e_rx_queue_release_mbufs(struct i40e_rx_queue *rxq);
uint32_t i40e_dev_rx_queue_count(struct rte_eth_dev *dev,
uint16_t rx_queue_id);
int i40e_dev_rx_descriptor_done(void *rx_queue, uint16_t offset);
+int i40e_dev_rx_descriptor_status(void *rx_queue, uint16_t offset);
+int i40e_dev_tx_descriptor_status(void *tx_queue, uint16_t offset);
uint16_t i40e_recv_pkts_vec(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t nb_pkts);
--
2.8.1
next prev parent reply other threads:[~2017-03-07 16:00 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-24 9:54 [RFC 0/9] get Rx and Tx used descriptors Olivier Matz
2016-11-24 9:54 ` [RFC 1/9] ethdev: clarify api comments of rx queue count Olivier Matz
2016-11-24 10:52 ` Ferruh Yigit
2016-11-24 11:13 ` Olivier Matz
2016-11-24 9:54 ` [RFC 2/9] ethdev: move queue id check in generic layer Olivier Matz
2016-11-24 10:59 ` Ferruh Yigit
2016-11-24 13:05 ` Olivier Matz
2016-11-24 9:54 ` [RFC 3/9] ethdev: add handler for Tx queue descriptor count Olivier Matz
2016-11-24 9:54 ` [RFC 4/9] net/ixgbe: optimize Rx " Olivier Matz
2016-11-24 9:54 ` [RFC 5/9] net/ixgbe: add handler for Tx " Olivier Matz
2016-11-24 9:54 ` [RFC 6/9] net/igb: optimize rx " Olivier Matz
2016-11-24 9:54 ` [RFC 7/9] net/igb: add handler for tx " Olivier Matz
2016-11-24 9:54 ` [RFC 8/9] net/e1000: optimize rx " Olivier Matz
2016-11-24 9:54 ` [RFC 9/9] net/e1000: add handler for tx " Olivier Matz
2017-01-13 16:44 ` [RFC 0/9] get Rx and Tx used descriptors Olivier Matz
2017-01-13 17:32 ` Richardson, Bruce
2017-01-17 8:24 ` Olivier Matz
2017-01-17 13:56 ` Bruce Richardson
2017-03-01 17:19 ` [PATCH 0/6] get status of Rx and Tx descriptors Olivier Matz
2017-03-01 17:19 ` [PATCH 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-01 18:22 ` Andrew Rybchenko
2017-03-02 13:57 ` Olivier Matz
2017-03-02 14:19 ` Andrew Rybchenko
2017-03-02 14:54 ` Olivier Matz
2017-03-02 15:05 ` Andrew Rybchenko
2017-03-02 15:14 ` Olivier Matz
2017-03-01 17:19 ` [PATCH 2/6] net/ixgbe: implement " Olivier Matz
2017-03-01 17:19 ` [PATCH 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-02 1:28 ` Lu, Wenzhuo
2017-03-02 13:58 ` Olivier Matz
2017-03-01 17:19 ` [PATCH 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-02 1:22 ` Lu, Wenzhuo
2017-03-02 14:46 ` Olivier Matz
2017-03-03 1:15 ` Lu, Wenzhuo
2017-03-01 17:19 ` [PATCH 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-02 7:56 ` Nélio Laranjeiro
2017-03-01 17:19 ` [PATCH 6/6] net/i40e: " Olivier Matz
2017-03-01 18:02 ` [PATCH 0/6] get status of Rx and Tx descriptors Andrew Rybchenko
2017-03-02 13:40 ` Olivier Matz
2017-03-06 10:41 ` Thomas Monjalon
2017-03-01 18:07 ` Stephen Hemminger
2017-03-02 13:43 ` Olivier Matz
2017-03-06 10:41 ` Thomas Monjalon
2017-03-02 15:32 ` Bruce Richardson
2017-03-02 16:14 ` Olivier Matz
2017-03-03 16:18 ` Venkatesan, Venky
2017-03-03 16:45 ` Olivier Matz
2017-03-03 18:46 ` Venkatesan, Venky
2017-03-04 20:45 ` Olivier Matz
2017-03-06 11:02 ` Thomas Monjalon
2017-03-07 15:59 ` [PATCH v2 " Olivier Matz
2017-03-07 15:59 ` [PATCH v2 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-09 11:49 ` Andrew Rybchenko
2017-03-21 8:32 ` Yang, Qiming
2017-03-24 12:49 ` Olivier Matz
2017-03-27 1:28 ` Yang, Qiming
2017-03-07 15:59 ` [PATCH v2 2/6] net/ixgbe: implement " Olivier Matz
2017-03-07 15:59 ` [PATCH v2 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-08 1:17 ` Lu, Wenzhuo
2017-03-07 15:59 ` [PATCH v2 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-07 15:59 ` [PATCH v2 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-07 15:59 ` Olivier Matz [this message]
2017-03-08 1:17 ` [PATCH v2 6/6] net/i40e: " Lu, Wenzhuo
2017-03-29 8:36 ` [PATCH v3 0/6] get status of Rx and Tx descriptors Olivier Matz
2017-03-29 8:36 ` [PATCH v3 1/6] ethdev: add descriptor status API Olivier Matz
2017-03-29 8:36 ` [PATCH v3 2/6] net/ixgbe: implement " Olivier Matz
2017-03-29 8:36 ` [PATCH v3 3/6] net/e1000: implement descriptor status API (igb) Olivier Matz
2017-03-29 8:36 ` [PATCH v3 4/6] net/e1000: implement descriptor status API (em) Olivier Matz
2017-03-29 8:36 ` [PATCH v3 5/6] net/mlx5: implement descriptor status API Olivier Matz
2017-03-29 8:36 ` [PATCH v3 6/6] net/i40e: " Olivier Matz
2017-03-30 13:30 ` [PATCH v3 0/6] get status of Rx and Tx descriptors Thomas Monjalon
2017-04-19 15:50 ` Ferruh Yigit
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