From: Shijith Thotton Date: Sat, 25 Mar 2017 06:24:41 +0000 (+0530) Subject: net/liquidio: add API to release Tx queue X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=cf6bfcbea178;p=dpdk.git net/liquidio: add API to release Tx queue Signed-off-by: Shijith Thotton Signed-off-by: Jerin Jacob Signed-off-by: Derek Chickles Signed-off-by: Venkat Koppula Signed-off-by: Srisivasubramanian S Signed-off-by: Mallesham Jatharakonda --- diff --git a/drivers/net/liquidio/lio_ethdev.c b/drivers/net/liquidio/lio_ethdev.c index b8baa4f41b..97acfcc8f8 100644 --- a/drivers/net/liquidio/lio_ethdev.c +++ b/drivers/net/liquidio/lio_ethdev.c @@ -216,6 +216,36 @@ lio_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no, 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 const struct eth_dev_ops liovf_eth_dev_ops = { .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 64c038510a..6a1d26500c 100644 --- a/drivers/net/liquidio/lio_rxtx.c +++ b/drivers/net/liquidio/lio_rxtx.c @@ -1439,7 +1439,7 @@ list_delete_first_node(struct lio_stailq_head *head) 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 0a4cc2b517..964a884ef5 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,