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From: Shijith Thotton <shijith.thotton@caviumnetworks.com>
To: dev@dpdk.org
Cc: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Derek Chickles <derek.chickles@caviumnetworks.com>,
Venkat Koppula <venkat.koppula@caviumnetworks.com>,
Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
Date: Tue, 21 Feb 2017 14:56:48 +0530
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Subject: [dpdk-dev] [PATCH 33/50] net/liquidio: add API to release Tx queue
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X-List-Received-Date: Tue, 21 Feb 2017 09:29:52 -0000
Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
---
drivers/net/liquidio/lio_ethdev.c | 31 +++++++++++++++++++++++++++++++
drivers/net/liquidio/lio_rxtx.c | 2 +-
drivers/net/liquidio/lio_rxtx.h | 1 +
3 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c
index bf85089..e997e40 100644
--- a/drivers/net/liquidio/lio_ethdev.c
+++ b/drivers/net/liquidio/lio_ethdev.c
@@ -216,6 +216,36 @@
return 0;
}
+/**
+ * Release the transmit queue/ringbuffer. Called by
+ * the upper layers.
+ *
+ * @param txq
+ * Opaque pointer to the transmit queue to release
+ *
+ * @return
+ * - nothing
+ */
+static void
+lio_dev_tx_queue_release(void *txq)
+{
+ struct lio_instr_queue *tq = txq;
+ struct lio_device *lio_dev = tq->lio_dev;
+ uint32_t fw_mapped_iq_no;
+
+ /* Run time queue deletion not supported */
+ if (lio_dev->port_configured)
+ return;
+
+ if (tq != NULL) {
+ /* Free sg_list */
+ lio_delete_sglist(tq);
+
+ fw_mapped_iq_no = tq->txpciq.s.q_no;
+ lio_delete_instruction_queue(tq->lio_dev, fw_mapped_iq_no);
+ }
+}
+
static int lio_dev_configure(struct rte_eth_dev *eth_dev)
{
struct lio_device *lio_dev = LIO_DEV(eth_dev);
@@ -387,6 +417,7 @@ static int lio_dev_configure(struct rte_eth_dev *eth_dev)
.rx_queue_setup = lio_dev_rx_queue_setup,
.rx_queue_release = lio_dev_rx_queue_release,
.tx_queue_setup = lio_dev_tx_queue_setup,
+ .tx_queue_release = lio_dev_tx_queue_release,
};
static void
diff --git a/drivers/net/liquidio/lio_rxtx.c b/drivers/net/liquidio/lio_rxtx.c
index 448c8b9..edb1577 100644
--- a/drivers/net/liquidio/lio_rxtx.c
+++ b/drivers/net/liquidio/lio_rxtx.c
@@ -1439,7 +1439,7 @@ struct lio_soft_command *
return node;
}
-static void
+void
lio_delete_sglist(struct lio_instr_queue *txq)
{
struct lio_device *lio_dev = txq->lio_dev;
diff --git a/drivers/net/liquidio/lio_rxtx.h b/drivers/net/liquidio/lio_rxtx.h
index 9b94fbc..2461fef 100644
--- a/drivers/net/liquidio/lio_rxtx.h
+++ b/drivers/net/liquidio/lio_rxtx.h
@@ -699,6 +699,7 @@ uint16_t lio_dev_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
uint16_t budget);
void lio_delete_droq_queue(struct lio_device *lio_dev, int oq_no);
+void lio_delete_sglist(struct lio_instr_queue *txq);
int lio_setup_sglists(struct lio_device *lio_dev, int iq_no,
int fw_mapped_iq, int num_descs, unsigned int socket_id);
uint16_t lio_dev_xmit_pkts(void *tx_queue, struct rte_mbuf **pkts,
--
1.8.3.1