[PATCH v3 30/46] net/liquidio: add API to release Tx queue
From: Shijith Thotton <hidden>
Date: 2017-03-25 06:28:27
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Shijith Thotton <redacted> Signed-off-by: Jerin Jacob <redacted> Signed-off-by: Derek Chickles <redacted> Signed-off-by: Venkat Koppula <redacted> Signed-off-by: Srisivasubramanian S <redacted> Signed-off-by: Mallesham Jatharakonda <redacted> --- 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 b8baa4f..97acfcc 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 64c0385..6a1d265 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 0a4cc2b..964a884 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,
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1.8.3.1