[dpdk-dev] [PATCH 11/13] net/thunderx: add secondary qset support in device configure
Kamil Rytarowski
krytarowski at caviumnetworks.com
Fri Aug 26 18:54:06 CEST 2016
From: Kamil Rytarowski <kamil.rytarowski at caviumnetworks.com>
Signed-off-by: Maciej Czekaj <maciej.czekaj at caviumnetworks.com>
Signed-off-by: Kamil Rytarowski <kamil.rytarowski at caviumnetworks.com>
Signed-off-by: Zyta Szpak <zyta.szpak at semihalf.com>
Signed-off-by: Slawomir Rosek <slawomir.rosek at semihalf.com>
Signed-off-by: Radoslaw Biernacki <rad at semihalf.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
drivers/net/thunderx/nicvf_ethdev.c | 65 +++++++++++++++++++++++++++++++++----
1 file changed, 59 insertions(+), 6 deletions(-)
diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c
index 8510675..fcdbebf 100644
--- a/drivers/net/thunderx/nicvf_ethdev.c
+++ b/drivers/net/thunderx/nicvf_ethdev.c
@@ -163,6 +163,7 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
{
struct nicvf *nic = nicvf_pmd_priv(dev);
uint32_t buffsz, frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ size_t i;
PMD_INIT_FUNC_TRACE();
@@ -198,6 +199,10 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
/* Update max frame size */
dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)frame_size;
nic->mtu = mtu;
+
+ for (i = 0; i < nic->sqs_count; i++)
+ nic->snicvf[i]->mtu = mtu;
+
return 0;
}
@@ -507,7 +512,8 @@ nicvf_qset_cq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
const struct rte_memzone *rz;
uint32_t ring_size = CMP_QUEUE_SZ_MAX * sizeof(union cq_entry_t);
- rz = rte_eth_dma_zone_reserve(dev, "cq_ring", qidx, ring_size,
+ rz = rte_eth_dma_zone_reserve(dev, "cq_ring",
+ nicvf_netdev_qidx(nic, qidx), ring_size,
NICVF_CQ_BASE_ALIGN_BYTES, nic->node);
if (rz == NULL) {
PMD_INIT_LOG(ERR, "Failed to allocate mem for cq hw ring");
@@ -530,8 +536,9 @@ nicvf_qset_sq_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
const struct rte_memzone *rz;
uint32_t ring_size = SND_QUEUE_SZ_MAX * sizeof(union sq_entry_t);
- rz = rte_eth_dma_zone_reserve(dev, "sq", qidx, ring_size,
- NICVF_SQ_BASE_ALIGN_BYTES, nic->node);
+ rz = rte_eth_dma_zone_reserve(dev, "sq",
+ nicvf_netdev_qidx(nic, qidx), ring_size,
+ NICVF_SQ_BASE_ALIGN_BYTES, nic->node);
if (rz == NULL) {
PMD_INIT_LOG(ERR, "Failed allocate mem for sq hw ring");
return -ENOMEM;
@@ -563,8 +570,9 @@ nicvf_qset_rbdr_alloc(struct rte_eth_dev *dev, struct nicvf *nic,
}
ring_size = sizeof(struct rbdr_entry_t) * RBDR_QUEUE_SZ_MAX;
- rz = rte_eth_dma_zone_reserve(dev, "rbdr", 0, ring_size,
- NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
+ rz = rte_eth_dma_zone_reserve(dev, "rbdr",
+ nicvf_netdev_qidx(nic, 0), ring_size,
+ NICVF_RBDR_BASE_ALIGN_BYTES, nic->node);
if (rz == NULL) {
PMD_INIT_LOG(ERR, "Failed to allocate mem for rbdr desc ring");
return -ENOMEM;
@@ -1678,12 +1686,37 @@ nicvf_dev_close(struct rte_eth_dev *dev)
}
static int
+nicvf_request_sqs(struct nicvf *nic)
+{
+ size_t i;
+
+ assert_if_secondary(nic);
+ assert(nic->sqs_count > 0);
+ assert(nic->sqs_count <= MAX_SQS_PER_VF);
+
+ /* Set no of Rx/Tx queues in each of the SQsets */
+ for (i = 0; i < nic->sqs_count; i++) {
+ if (nicvf_svf_empty())
+ rte_panic("Cannot assign sufficient number of "
+ "secondary queues to primary VF%" PRIu8 "\n",
+ nic->vf_id);
+
+ nic->snicvf[i] = nicvf_svf_pop();
+ nic->snicvf[i]->sqs_id = i;
+ }
+
+ return nicvf_mbox_request_sqs(nic);
+}
+
+static int
nicvf_dev_configure(struct rte_eth_dev *dev)
{
- struct rte_eth_conf *conf = &dev->data->dev_conf;
+ struct rte_eth_dev_data *data = dev->data;
+ struct rte_eth_conf *conf = &data->dev_conf;
struct rte_eth_rxmode *rxmode = &conf->rxmode;
struct rte_eth_txmode *txmode = &conf->txmode;
struct nicvf *nic = nicvf_pmd_priv(dev);
+ uint8_t cqcount;
PMD_INIT_FUNC_TRACE();
@@ -1748,6 +1781,26 @@ nicvf_dev_configure(struct rte_eth_dev *dev)
return -EINVAL;
}
+ assert_if_secondary(nic);
+ NICVF_STATIC_ASSERT(MAX_RCV_QUEUES_PER_QS == MAX_SND_QUEUES_PER_QS);
+ cqcount = RTE_MAX(data->nb_tx_queues, data->nb_rx_queues);
+ if (cqcount > MAX_RCV_QUEUES_PER_QS) {
+ nic->sqs_count = RTE_ALIGN_CEIL(cqcount, MAX_RCV_QUEUES_PER_QS);
+ nic->sqs_count = (nic->sqs_count / MAX_RCV_QUEUES_PER_QS) - 1;
+ } else {
+ nic->sqs_count = 0;
+ }
+
+ assert(nic->sqs_count <= MAX_SQS_PER_VF);
+
+ if (nic->sqs_count > 0) {
+ if (nicvf_request_sqs(nic)) {
+ rte_panic("Cannot assign sufficient number of "
+ "secondary queues to PORT%d VF%" PRIu8 "\n",
+ dev->data->port_id, nic->vf_id);
+ }
+ }
+
PMD_INIT_LOG(DEBUG, "Configured ethdev port%d hwcap=0x%" PRIx64,
dev->data->port_id, nicvf_hw_cap(nic));
--
1.9.1
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