[dpdk-dev] [PATCH 33/38] net/sfc: store PCI address for represented entities

[Andrew Rybchenko]

From: Viacheslav Galaktionov <viacheslav.galaktionov at oktetlabs.ru>

This information will be useful when representor info API is implemented.

Signed-off-by: Viacheslav Galaktionov <viacheslav.galaktionov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
Reviewed-by: Andy Moreton <amoreton at xilinx.com>
---
 drivers/net/sfc/sfc_ethdev.c | 11 +++++++++--
 drivers/net/sfc/sfc_repr.c   | 20 +++++++++++++++-----
 drivers/net/sfc/sfc_repr.h   | 10 +++++++++-
 drivers/net/sfc/sfc_switch.c | 14 ++++++++++++++
 drivers/net/sfc/sfc_switch.h | 11 +++++++++++
 5 files changed, 58 insertions(+), 8 deletions(-)

diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 8536a2b111..49ba820501 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -2680,6 +2680,7 @@ sfc_eth_dev_create_representors(struct rte_eth_dev *dev,
 
 	for (i = 0; i < eth_da->nb_representor_ports; ++i) {
 		const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+		struct sfc_repr_entity_info entity;
 		efx_mport_sel_t mport_sel;
 
 		rc = efx_mae_mport_by_pcie_function(encp->enc_pf,
@@ -2692,8 +2693,14 @@ sfc_eth_dev_create_representors(struct rte_eth_dev *dev,
 			continue;
 		}
 
-		rc = sfc_repr_create(dev, eth_da->representor_ports[i],
-				     sa->mae.switch_domain_id, &mport_sel);
+		memset(&entity, 0, sizeof(entity));
+		entity.type = eth_da->type;
+		entity.intf = encp->enc_intf;
+		entity.pf = encp->enc_pf;
+		entity.vf = eth_da->representor_ports[i];
+
+		rc = sfc_repr_create(dev, &entity, sa->mae.switch_domain_id,
+				     &mport_sel);
 		if (rc != 0) {
 			sfc_err(sa, "cannot create representor %u: %s - ignore",
 				eth_da->representor_ports[i],
diff --git a/drivers/net/sfc/sfc_repr.c b/drivers/net/sfc/sfc_repr.c
index 4fd81c3f6b..a42e70c92c 100644
--- a/drivers/net/sfc/sfc_repr.c
+++ b/drivers/net/sfc/sfc_repr.c
@@ -924,6 +924,9 @@ struct sfc_repr_init_data {
 	uint16_t		repr_id;
 	uint16_t		switch_domain_id;
 	efx_mport_sel_t		mport_sel;
+	efx_pcie_interface_t	intf;
+	uint16_t		pf;
+	uint16_t		vf;
 };
 
 static int
@@ -961,6 +964,9 @@ sfc_repr_eth_dev_init(struct rte_eth_dev *dev, void *init_params)
 	switch_port_request.ethdev_mportp = &ethdev_mport_sel;
 	switch_port_request.entity_mportp = &repr_data->mport_sel;
 	switch_port_request.ethdev_port_id = dev->data->port_id;
+	switch_port_request.port_data.repr.intf = repr_data->intf;
+	switch_port_request.port_data.repr.pf = repr_data->pf;
+	switch_port_request.port_data.repr.vf = repr_data->vf;
 
 	ret = sfc_repr_assign_mae_switch_port(repr_data->switch_domain_id,
 					      &switch_port_request,
@@ -1037,8 +1043,10 @@ sfc_repr_eth_dev_init(struct rte_eth_dev *dev, void *init_params)
 }
 
 int
-sfc_repr_create(struct rte_eth_dev *parent, uint16_t representor_id,
-		uint16_t switch_domain_id, const efx_mport_sel_t *mport_sel)
+sfc_repr_create(struct rte_eth_dev *parent,
+		struct sfc_repr_entity_info *entity,
+		uint16_t switch_domain_id,
+		const efx_mport_sel_t *mport_sel)
 {
 	struct sfc_repr_init_data repr_data;
 	char name[RTE_ETH_NAME_MAX_LEN];
@@ -1046,8 +1054,7 @@ sfc_repr_create(struct rte_eth_dev *parent, uint16_t representor_id,
 	struct rte_eth_dev *dev;
 
 	if (snprintf(name, sizeof(name), "net_%s_representor_%u",
-		     parent->device->name, representor_id) >=
-			(int)sizeof(name)) {
+		     parent->device->name, entity->vf) >= (int)sizeof(name)) {
 		SFC_GENERIC_LOG(ERR, "%s() failed name too long", __func__);
 		return -ENAMETOOLONG;
 	}
@@ -1056,9 +1063,12 @@ sfc_repr_create(struct rte_eth_dev *parent, uint16_t representor_id,
 	if (dev == NULL) {
 		memset(&repr_data, 0, sizeof(repr_data));
 		repr_data.pf_port_id = parent->data->port_id;
-		repr_data.repr_id = representor_id;
+		repr_data.repr_id = entity->vf;
 		repr_data.switch_domain_id = switch_domain_id;
 		repr_data.mport_sel = *mport_sel;
+		repr_data.intf = entity->intf;
+		repr_data.pf = entity->pf;
+		repr_data.vf = entity->vf;
 
 		ret = rte_eth_dev_create(parent->device, name,
 					 sizeof(struct sfc_repr_shared),
diff --git a/drivers/net/sfc/sfc_repr.h b/drivers/net/sfc/sfc_repr.h
index 1347206006..2093973761 100644
--- a/drivers/net/sfc/sfc_repr.h
+++ b/drivers/net/sfc/sfc_repr.h
@@ -26,7 +26,15 @@ extern "C" {
 /** Max count of the representor Tx queues */
 #define SFC_REPR_TXQ_MAX	1
 
-int sfc_repr_create(struct rte_eth_dev *parent, uint16_t representor_id,
+struct sfc_repr_entity_info {
+	enum rte_eth_representor_type type;
+	efx_pcie_interface_t intf;
+	uint16_t pf;
+	uint16_t vf;
+};
+
+int sfc_repr_create(struct rte_eth_dev *parent,
+		    struct sfc_repr_entity_info *entity,
 		    uint16_t switch_domain_id,
 		    const efx_mport_sel_t *mport_sel);
 
diff --git a/drivers/net/sfc/sfc_switch.c b/drivers/net/sfc/sfc_switch.c
index f72f6648b8..7a0b332f33 100644
--- a/drivers/net/sfc/sfc_switch.c
+++ b/drivers/net/sfc/sfc_switch.c
@@ -63,6 +63,8 @@ struct sfc_mae_switch_port {
 	enum sfc_mae_switch_port_type		type;
 	/** RTE switch port ID */
 	uint16_t				id;
+
+	union sfc_mae_switch_port_data		data;
 };
 
 TAILQ_HEAD(sfc_mae_switch_ports, sfc_mae_switch_port);
@@ -335,6 +337,18 @@ sfc_mae_assign_switch_port(uint16_t switch_domain_id,
 	port->ethdev_mport = *req->ethdev_mportp;
 	port->ethdev_port_id = req->ethdev_port_id;
 
+	switch (req->type) {
+	case SFC_MAE_SWITCH_PORT_INDEPENDENT:
+		/* No data */
+		break;
+	case SFC_MAE_SWITCH_PORT_REPRESENTOR:
+		memcpy(&port->data.repr, &req->port_data,
+		       sizeof(port->data.repr));
+		break;
+	default:
+		SFC_ASSERT(B_FALSE);
+	}
+
 	*switch_port_id = port->id;
 
 	rte_spinlock_unlock(&sfc_mae_switch.lock);
diff --git a/drivers/net/sfc/sfc_switch.h b/drivers/net/sfc/sfc_switch.h
index 1eee5fc0b6..a072507375 100644
--- a/drivers/net/sfc/sfc_switch.h
+++ b/drivers/net/sfc/sfc_switch.h
@@ -34,11 +34,22 @@ enum sfc_mae_switch_port_type {
 	SFC_MAE_SWITCH_PORT_REPRESENTOR,
 };
 
+struct sfc_mae_switch_port_repr_data {
+	efx_pcie_interface_t			intf;
+	uint16_t				pf;
+	uint16_t				vf;
+};
+
+union sfc_mae_switch_port_data {
+	struct sfc_mae_switch_port_repr_data	repr;
+};
+
 struct sfc_mae_switch_port_request {
 	enum sfc_mae_switch_port_type		type;
 	const efx_mport_sel_t			*entity_mportp;
 	const efx_mport_sel_t			*ethdev_mportp;
 	uint16_t				ethdev_port_id;
+	union sfc_mae_switch_port_data		port_data;
 };
 
 int sfc_mae_assign_switch_domain(struct sfc_adapter *sa,
-- 
2.30.2