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From: <ecree@xilinx.com>
To: <davem@davemloft.net>, <kuba@kernel.org>, <pabeni@redhat.com>,
	<linux-net-drivers@amd.com>
Cc: <netdev@vger.kernel.org>, Edward Cree <ecree.xilinx@gmail.com>
Subject: [PATCH net-next 06/10] sfc: phys port/switch identification for ef100 reps
Date: Fri, 15 Jul 2022 13:33:28 +0100	[thread overview]
Message-ID: <f725f2e093ba6c7d5a256b9017aed640e2afb370.1657878101.git.ecree.xilinx@gmail.com> (raw)
In-Reply-To: <cover.1657878101.git.ecree.xilinx@gmail.com>

From: Edward Cree <ecree.xilinx@gmail.com>

Requires storing VF index in struct efx_rep.

Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
---
 drivers/net/ethernet/sfc/ef100_rep.c | 39 ++++++++++++++++++++++++++--
 drivers/net/ethernet/sfc/ef100_rep.h |  1 +
 2 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/sfc/ef100_rep.c b/drivers/net/ethernet/sfc/ef100_rep.c
index 1121bf162b2f..0b4f7d536ae6 100644
--- a/drivers/net/ethernet/sfc/ef100_rep.c
+++ b/drivers/net/ethernet/sfc/ef100_rep.c
@@ -14,9 +14,11 @@
 
 #define EFX_EF100_REP_DRIVER	"efx_ef100_rep"
 
-static int efx_ef100_rep_init_struct(struct efx_nic *efx, struct efx_rep *efv)
+static int efx_ef100_rep_init_struct(struct efx_nic *efx, struct efx_rep *efv,
+				     unsigned int i)
 {
 	efv->parent = efx;
+	efv->idx = i;
 	INIT_LIST_HEAD(&efv->list);
 	efv->msg_enable = NETIF_MSG_DRV | NETIF_MSG_PROBE |
 			  NETIF_MSG_LINK | NETIF_MSG_IFDOWN |
@@ -25,7 +27,40 @@ static int efx_ef100_rep_init_struct(struct efx_nic *efx, struct efx_rep *efv)
 	return 0;
 }
 
+static int efx_ef100_rep_get_port_parent_id(struct net_device *dev,
+					    struct netdev_phys_item_id *ppid)
+{
+	struct efx_rep *efv = netdev_priv(dev);
+	struct efx_nic *efx = efv->parent;
+	struct ef100_nic_data *nic_data;
+
+	nic_data = efx->nic_data;
+	/* nic_data->port_id is a u8[] */
+	ppid->id_len = sizeof(nic_data->port_id);
+	memcpy(ppid->id, nic_data->port_id, sizeof(nic_data->port_id));
+	return 0;
+}
+
+static int efx_ef100_rep_get_phys_port_name(struct net_device *dev,
+					    char *buf, size_t len)
+{
+	struct efx_rep *efv = netdev_priv(dev);
+	struct efx_nic *efx = efv->parent;
+	struct ef100_nic_data *nic_data;
+	int ret;
+
+	nic_data = efx->nic_data;
+	ret = snprintf(buf, len, "p%upf%uvf%u", efx->port_num,
+		       nic_data->pf_index, efv->idx);
+	if (ret >= len)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
 static const struct net_device_ops efx_ef100_rep_netdev_ops = {
+	.ndo_get_port_parent_id	= efx_ef100_rep_get_port_parent_id,
+	.ndo_get_phys_port_name	= efx_ef100_rep_get_phys_port_name,
 };
 
 static void efx_ef100_rep_get_drvinfo(struct net_device *dev,
@@ -67,7 +102,7 @@ static struct efx_rep *efx_ef100_rep_create_netdev(struct efx_nic *efx,
 		return ERR_PTR(-ENOMEM);
 
 	efv = netdev_priv(net_dev);
-	rc = efx_ef100_rep_init_struct(efx, efv);
+	rc = efx_ef100_rep_init_struct(efx, efv, i);
 	if (rc)
 		goto fail1;
 	efv->net_dev = net_dev;
diff --git a/drivers/net/ethernet/sfc/ef100_rep.h b/drivers/net/ethernet/sfc/ef100_rep.h
index 559f1f74db5e..7bd12aa5d980 100644
--- a/drivers/net/ethernet/sfc/ef100_rep.h
+++ b/drivers/net/ethernet/sfc/ef100_rep.h
@@ -20,6 +20,7 @@ struct efx_rep {
 	struct efx_nic *parent;
 	struct net_device *net_dev;
 	u32 msg_enable;
+	unsigned int idx; /* VF index  */
 	struct list_head list; /* entry on efx->vf_reps */
 };
 

  parent reply	other threads:[~2022-07-15 12:36 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-15 12:33 [PATCH net-next 00/10] sfc: VF representors for EF100 ecree
2022-07-15 12:33 ` [PATCH net-next 01/10] sfc: update MCDI protocol headers ecree
2022-07-15 12:33 ` [PATCH net-next 02/10] sfc: update EF100 register descriptions ecree
2022-07-15 12:33 ` [PATCH net-next 03/10] sfc: detect ef100 MAE admin privilege/capability at probe time ecree
2022-07-15 12:33 ` [PATCH net-next 04/10] sfc: add skeleton ef100 VF representors ecree
2022-07-16  2:22   ` Jakub Kicinski
2022-07-15 12:33 ` [PATCH net-next 05/10] sfc: add basic ethtool ops to ef100 reps ecree
2022-07-15 12:33 ` ecree [this message]
2022-07-15 12:33 ` [PATCH net-next 07/10] sfc: determine representee m-port for EF100 representors ecree
2022-07-15 12:33 ` [PATCH net-next 08/10] sfc: support passing a representor to the EF100 TX path ecree
2022-07-15 12:33 ` [PATCH net-next 09/10] sfc: hook up ef100 representor TX ecree
2022-07-15 12:33 ` [PATCH net-next 10/10] sfc: attach/detach EF100 representors along with their owning PF ecree

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