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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, santosh.shukla@caviumnetworks.com,
Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Thu, 31 Aug 2017 20:24:30 +0530
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Subject: [dpdk-dev] [PATCH 20/26] net/octeontx: add Tx queue start and stop
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Mark "Queue start/stop" as P as its been implemented only for tx queue.
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Co-authored-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
---
doc/guides/nics/features/octeontx.ini | 1 +
drivers/net/octeontx/octeontx_ethdev.c | 90 ++++++++++++++++++++++++++++++++++
drivers/net/octeontx/octeontx_ethdev.h | 6 +++
3 files changed, 97 insertions(+)
diff --git a/doc/guides/nics/features/octeontx.ini b/doc/guides/nics/features/octeontx.ini
index a8f38e031..cf9167df9 100644
--- a/doc/guides/nics/features/octeontx.ini
+++ b/doc/guides/nics/features/octeontx.ini
@@ -7,6 +7,7 @@
Speed capabilities = Y
Link status = Y
Lock-free Tx queue = Y
+Queue start/stop = P
Jumbo frame = Y
Promiscuous mode = Y
Unicast MAC filter = P
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index 034de113a..e2f1e630b 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -160,6 +160,14 @@ octeontx_port_close(struct octeontx_nic *nic)
octeontx_log_dbg("port closed %d", nic->port_id);
}
+static int
+octeontx_port_stop(struct octeontx_nic *nic)
+{
+ PMD_INIT_FUNC_TRACE();
+
+ return octeontx_bgx_port_stop(nic->port_id);
+}
+
static void
octeontx_port_promisc_set(struct octeontx_nic *nic, int en)
{
@@ -500,6 +508,86 @@ octeontx_dev_info(struct rte_eth_dev *dev,
dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MT_LOCKFREE;
}
+static void
+octeontx_dq_info_getter(octeontx_dq_t *dq, void *out)
+{
+ ((octeontx_dq_t *)out)->lmtline_va = dq->lmtline_va;
+ ((octeontx_dq_t *)out)->ioreg_va = dq->ioreg_va;
+ ((octeontx_dq_t *)out)->fc_status_va = dq->fc_status_va;
+}
+
+static int
+octeontx_vf_start_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
+ uint16_t qidx)
+{
+ struct octeontx_txq *txq;
+ int res;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STARTED)
+ return 0;
+
+ txq = dev->data->tx_queues[qidx];
+
+ res = octeontx_pko_channel_query_dqs(nic->base_ochan,
+ &txq->dq,
+ sizeof(octeontx_dq_t),
+ txq->queue_id,
+ octeontx_dq_info_getter);
+ if (res < 0) {
+ res = -EFAULT;
+ goto close_port;
+ }
+
+ dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STARTED;
+ return res;
+
+close_port:
+ (void)octeontx_port_stop(nic);
+ octeontx_pko_channel_stop(nic->base_ochan);
+ octeontx_pko_channel_close(nic->base_ochan);
+ dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
+ return res;
+}
+
+static int
+octeontx_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t qidx)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ qidx = qidx % PKO_VF_NUM_DQ;
+ return octeontx_vf_start_tx_queue(dev, nic, qidx);
+}
+
+static inline int
+octeontx_vf_stop_tx_queue(struct rte_eth_dev *dev, struct octeontx_nic *nic,
+ uint16_t qidx)
+{
+ int ret = 0;
+
+ RTE_SET_USED(nic);
+ PMD_INIT_FUNC_TRACE();
+
+ if (dev->data->tx_queue_state[qidx] == RTE_ETH_QUEUE_STATE_STOPPED)
+ return 0;
+
+ dev->data->tx_queue_state[qidx] = RTE_ETH_QUEUE_STATE_STOPPED;
+ return ret;
+}
+
+static int
+octeontx_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t qidx)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ qidx = qidx % PKO_VF_NUM_DQ;
+
+ return octeontx_vf_stop_tx_queue(dev, nic, qidx);
+}
+
static int
octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
uint16_t nb_desc, unsigned int socket_id,
@@ -676,6 +764,8 @@ static const struct eth_dev_ops octeontx_dev_ops = {
.stats_get = octeontx_dev_stats_get,
.stats_reset = octeontx_dev_stats_reset,
.mac_addr_set = octeontx_dev_default_mac_addr_set,
+ .tx_queue_start = octeontx_dev_tx_queue_start,
+ .tx_queue_stop = octeontx_dev_tx_queue_stop,
.rx_queue_setup = octeontx_dev_rx_queue_setup,
.rx_queue_release = octeontx_dev_rx_queue_release,
};
diff --git a/drivers/net/octeontx/octeontx_ethdev.h b/drivers/net/octeontx/octeontx_ethdev.h
index 0c3452956..c47d4c6d3 100644
--- a/drivers/net/octeontx/octeontx_ethdev.h
+++ b/drivers/net/octeontx/octeontx_ethdev.h
@@ -91,6 +91,12 @@ struct octeontx_nic {
uint16_t ev_ports;
} __rte_cache_aligned;
+struct octeontx_txq {
+ uint16_t queue_id;
+ octeontx_dq_t dq;
+ struct rte_eth_dev *eth_dev;
+} __rte_cache_aligned;
+
struct octeontx_rxq {
uint16_t queue_id;
uint16_t port_id;
--
2.14.1