ef100.o ef100_nic.o ef100_netdev.o \
ef100_ethtool.o ef100_rx.o ef100_tx.o
sfc-$(CONFIG_SFC_MTD) += mtd.o
-sfc-$(CONFIG_SFC_SRIOV) += sriov.o ef10_sriov.o ef100_sriov.o ef100_rep.o
+sfc-$(CONFIG_SFC_SRIOV) += sriov.o ef10_sriov.o ef100_sriov.o ef100_rep.o mae.o
obj-$(CONFIG_SFC) += sfc.o
#include "ef100_rep.h"
#include "ef100_nic.h"
+#include "mae.h"
#define EFX_EF100_REP_DRIVER "efx_ef100_rep"
return ERR_PTR(rc);
}
+static int efx_ef100_configure_rep(struct efx_rep *efv)
+{
+ struct efx_nic *efx = efv->parent;
+ u32 selector;
+ int rc;
+
+ /* Construct mport selector for corresponding VF */
+ efx_mae_mport_vf(efx, efv->idx, &selector);
+ /* Look up actual mport ID */
+ rc = efx_mae_lookup_mport(efx, selector, &efv->mport);
+ if (rc)
+ return rc;
+ pci_dbg(efx->pci_dev, "VF %u has mport ID %#x\n", efv->idx, efv->mport);
+ /* mport label should fit in 16 bits */
+ WARN_ON(efv->mport >> 16);
+
+ return 0;
+}
+
static void efx_ef100_rep_destroy_netdev(struct efx_rep *efv)
{
struct efx_nic *efx = efv->parent;
rc);
return rc;
}
+ rc = efx_ef100_configure_rep(efv);
+ if (rc) {
+ pci_err(efx->pci_dev,
+ "Failed to configure representor for VF %d, rc %d\n",
+ i, rc);
+ goto fail;
+ }
rc = register_netdev(efv->net_dev);
if (rc) {
pci_err(efx->pci_dev,
* @parent: the efx PF which manages this representor
* @net_dev: representor netdevice
* @msg_enable: log message enable flags
+ * @mport: m-port ID of corresponding VF
* @idx: VF index
* @list: entry on efx->vf_reps
*/
struct efx_nic *parent;
struct net_device *net_dev;
u32 msg_enable;
+ u32 mport;
unsigned int idx;
struct list_head list;
};
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2019 Solarflare Communications Inc.
+ * Copyright 2020-2022 Xilinx Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#include "mae.h"
+#include "mcdi.h"
+#include "mcdi_pcol.h"
+
+void efx_mae_mport_vf(struct efx_nic *efx __always_unused, u32 vf_id, u32 *out)
+{
+ efx_dword_t mport;
+
+ EFX_POPULATE_DWORD_3(mport,
+ MAE_MPORT_SELECTOR_TYPE, MAE_MPORT_SELECTOR_TYPE_FUNC,
+ MAE_MPORT_SELECTOR_FUNC_PF_ID, MAE_MPORT_SELECTOR_FUNC_PF_ID_CALLER,
+ MAE_MPORT_SELECTOR_FUNC_VF_ID, vf_id);
+ *out = EFX_DWORD_VAL(mport);
+}
+
+/* id is really only 24 bits wide */
+int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id)
+{
+ MCDI_DECLARE_BUF(outbuf, MC_CMD_MAE_MPORT_LOOKUP_OUT_LEN);
+ MCDI_DECLARE_BUF(inbuf, MC_CMD_MAE_MPORT_LOOKUP_IN_LEN);
+ size_t outlen;
+ int rc;
+
+ MCDI_SET_DWORD(inbuf, MAE_MPORT_LOOKUP_IN_MPORT_SELECTOR, selector);
+ rc = efx_mcdi_rpc(efx, MC_CMD_MAE_MPORT_LOOKUP, inbuf, sizeof(inbuf),
+ outbuf, sizeof(outbuf), &outlen);
+ if (rc)
+ return rc;
+ if (outlen < sizeof(outbuf))
+ return -EIO;
+ *id = MCDI_DWORD(outbuf, MAE_MPORT_LOOKUP_OUT_MPORT_ID);
+ return 0;
+}
--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0-only */
+/****************************************************************************
+ * Driver for Solarflare network controllers and boards
+ * Copyright 2019 Solarflare Communications Inc.
+ * Copyright 2020-2022 Xilinx Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation, incorporated herein by reference.
+ */
+
+#ifndef EF100_MAE_H
+#define EF100_MAE_H
+/* MCDI interface for the ef100 Match-Action Engine */
+
+#include "net_driver.h"
+
+void efx_mae_mport_vf(struct efx_nic *efx, u32 vf_id, u32 *out);
+
+int efx_mae_lookup_mport(struct efx_nic *efx, u32 selector, u32 *id);
+
+#endif /* EF100_MAE_H */