Add PCI device ID for ConnectX-5 and enable multi-packet send for PF and
VF.
Signed-off-by: Yongseok Koh <ys...@mellanox.com>
---
ConnectX-5 is a newly announced NIC of Mellanox. This patch includes basic
enablement of ConnectX-5.
drivers/net/mlx5/mlx5.c | 42 +++++++++++++++++++++++++++++++++++++-----
drivers/net/mlx5/mlx5.h | 4 ++++
drivers/net/mlx5/mlx5_ethdev.c | 7 ++-----
drivers/net/mlx5/mlx5_txq.c | 2 +-
4 files changed, 44 insertions(+), 11 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index b97b6d16a..6293c1fda 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -286,7 +286,7 @@ mlx5_args_check(const char *key, const char *val, void
*opaque)
} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
priv->txqs_inline = tmp;
} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
- priv->mps = !!tmp;
+ priv->mps &= !!tmp; /* Enable MPW only if HW supports */
} else {
WARN("%s: unknown parameter", key);
return -EINVAL;
@@ -408,10 +408,26 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv, struct
rte_pci_device *pci_dev)
sriov = ((pci_dev->id.device_id ==
PCI_DEVICE_ID_MELLANOX_CONNECTX4VF) ||
(pci_dev->id.device_id ==
- PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF));
- /* Multi-packet send is only supported by ConnectX-4 Lx PF. */
- mps = (pci_dev->id.device_id ==
- PCI_DEVICE_ID_MELLANOX_CONNECTX4LX);
+ PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF) ||
+ (pci_dev->id.device_id ==
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5VF) ||
+ (pci_dev->id.device_id ==
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF));
+ /*
+ * Multi-packet send is supported by ConnectX-4 Lx PF as well
+ * as all ConnectX-5 devices.
+ */
+ switch (pci_dev->id.device_id) {
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
+ case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
+ mps = 1;
+ break;
+ default:
+ mps = 0;
+ }
INFO("PCI information matches, using device \"%s\""
" (SR-IOV: %s, MPS: %s)",
list[i]->name,
@@ -719,6 +735,22 @@ static const struct rte_pci_id mlx5_pci_id_map[] = {
PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF)
},
{
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5VF)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5EX)
+ },
+ {
+ RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)
+ },
+ {
.vendor_id = 0
}
};
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index c415ce32c..ee62e044e 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -83,6 +83,10 @@ enum {
PCI_DEVICE_ID_MELLANOX_CONNECTX4VF = 0x1014,
PCI_DEVICE_ID_MELLANOX_CONNECTX4LX = 0x1015,
PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF = 0x1016,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5 = 0x1017,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5VF = 0x1018,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5EX = 0x1019,
+ PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF = 0x101a,
};
struct priv {
diff --git a/drivers/net/mlx5/mlx5_ethdev.c b/drivers/net/mlx5/mlx5_ethdev.c
index 65228d5f9..fbb1b6566 100644
--- a/drivers/net/mlx5/mlx5_ethdev.c
+++ b/drivers/net/mlx5/mlx5_ethdev.c
@@ -1517,14 +1517,11 @@ void
priv_select_tx_function(struct priv *priv)
{
priv->dev->tx_pkt_burst = mlx5_tx_burst;
- /* Display warning for unsupported configurations. */
- if (priv->sriov && priv->mps)
- WARN("multi-packet send WQE cannot be used on a SR-IOV setup");
/* Select appropriate TX function. */
- if ((priv->sriov == 0) && priv->mps && priv->txq_inline) {
+ if (priv->mps && priv->txq_inline) {
priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw_inline;
DEBUG("selected MPW inline TX function");
- } else if ((priv->sriov == 0) && priv->mps) {
+ } else if (priv->mps) {
priv->dev->tx_pkt_burst = mlx5_tx_burst_mpw;
DEBUG("selected MPW TX function");
}
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index 053665d55..4f36402eb 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -412,7 +412,7 @@ txq_ctrl_setup(struct rte_eth_dev *dev, struct txq_ctrl
*txq_ctrl,
.obj = tmpl.qp,
/* Enable multi-packet send if supported. */
.family_flags =
- ((priv->mps && !priv->sriov) ?
+ (priv->mps ?
IBV_EXP_QP_BURST_CREATE_ENABLE_MULTI_PACKET_SEND_WR :
0),
};
--
2.11.0
