1 files changed, 135 insertions, 121 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.c b/drivers/net/ethernet/intel/ice/ice_devlink.c
index da7288bdc9a3..b9bd9f9472f6 100644
--- a/drivers/net/ethernet/intel/ice/ice_devlink.c
+++ b/drivers/net/ethernet/intel/ice/ice_devlink.c
@@ -4,6 +4,7 @@
 #include "ice.h"
 #include "ice_lib.h"
 #include "ice_devlink.h"
+#include "ice_eswitch.h"
 #include "ice_fw_update.h"
 
 /* context for devlink info version reporting */
@@ -22,7 +23,7 @@ struct ice_info_ctx {
  *
  * If a version does not exist, for example when attempting to get the
  * inactive version of flash when there is no pending update, the function
- * should leave the buffer in the ctx structure empty and return 0.
+ * should leave the buffer in the ctx structure empty.
  */
 
 static void ice_info_get_dsn(struct ice_pf *pf, struct ice_info_ctx *ctx)
@@ -35,7 +36,7 @@ static void ice_info_get_dsn(struct ice_pf *pf, struct ice_info_ctx *ctx)
 	snprintf(ctx->buf, sizeof(ctx->buf), "%8phD", dsn);
 }
 
-static int ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_hw *hw = &pf->hw;
 	enum ice_status status;
@@ -45,149 +46,127 @@ static int ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx)
 		/* We failed to locate the PBA, so just skip this entry */
 		dev_dbg(ice_pf_to_dev(pf), "Failed to read Product Board Assembly string, status %s\n",
 			ice_stat_str(status));
-
-	return 0;
 }
 
-static int ice_info_fw_mgmt(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_fw_mgmt(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_hw *hw = &pf->hw;
 
-	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", hw->fw_maj_ver, hw->fw_min_ver,
-		 hw->fw_patch);
-
-	return 0;
+	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u",
+		 hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch);
 }
 
-static int ice_info_fw_api(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_fw_api(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_hw *hw = &pf->hw;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", hw->api_maj_ver,
 		 hw->api_min_ver, hw->api_patch);
-
-	return 0;
 }
 
-static int ice_info_fw_build(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_fw_build(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_hw *hw = &pf->hw;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", hw->fw_build);
-
-	return 0;
 }
 
-static int ice_info_orom_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_orom_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_orom_info *orom = &pf->hw.flash.orom;
 
-	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u", orom->major, orom->build, orom->patch);
-
-	return 0;
+	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u",
+		 orom->major, orom->build, orom->patch);
 }
 
-static int
-ice_info_pending_orom_ver(struct ice_pf __always_unused *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_pending_orom_ver(struct ice_pf __always_unused *pf,
+			  struct ice_info_ctx *ctx)
 {
 	struct ice_orom_info *orom = &ctx->pending_orom;
 
 	if (ctx->dev_caps.common_cap.nvm_update_pending_orom)
 		snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u",
 			 orom->major, orom->build, orom->patch);
-
-	return 0;
 }
 
-static int ice_info_nvm_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_nvm_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_nvm_info *nvm = &pf->hw.flash.nvm;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "%x.%02x", nvm->major, nvm->minor);
-
-	return 0;
 }
 
-static int
-ice_info_pending_nvm_ver(struct ice_pf __always_unused *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_pending_nvm_ver(struct ice_pf __always_unused *pf,
+			 struct ice_info_ctx *ctx)
 {
 	struct ice_nvm_info *nvm = &ctx->pending_nvm;
 
 	if (ctx->dev_caps.common_cap.nvm_update_pending_nvm)
-		snprintf(ctx->buf, sizeof(ctx->buf), "%x.%02x", nvm->major, nvm->minor);
-
-	return 0;
+		snprintf(ctx->buf, sizeof(ctx->buf), "%x.%02x",
+			 nvm->major, nvm->minor);
 }
 
-static int ice_info_eetrack(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_eetrack(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_nvm_info *nvm = &pf->hw.flash.nvm;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", nvm->eetrack);
-
-	return 0;
 }
 
-static int
-ice_info_pending_eetrack(struct ice_pf __always_unused *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_pending_eetrack(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_nvm_info *nvm = &ctx->pending_nvm;
 
 	if (ctx->dev_caps.common_cap.nvm_update_pending_nvm)
 		snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", nvm->eetrack);
-
-	return 0;
 }
 
-static int ice_info_ddp_pkg_name(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_ddp_pkg_name(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_hw *hw = &pf->hw;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "%s", hw->active_pkg_name);
-
-	return 0;
 }
 
-static int ice_info_ddp_pkg_version(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_ddp_pkg_version(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_pkg_ver *pkg = &pf->hw.active_pkg_ver;
 
-	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u.%u", pkg->major, pkg->minor, pkg->update,
-		 pkg->draft);
-
-	return 0;
+	snprintf(ctx->buf, sizeof(ctx->buf), "%u.%u.%u.%u",
+		 pkg->major, pkg->minor, pkg->update, pkg->draft);
 }
 
-static int ice_info_ddp_pkg_bundle_id(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_ddp_pkg_bundle_id(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", pf->hw.active_track_id);
-
-	return 0;
 }
 
-static int ice_info_netlist_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_netlist_ver(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_netlist_info *netlist = &pf->hw.flash.netlist;
 
 	/* The netlist version fields are BCD formatted */
-	snprintf(ctx->buf, sizeof(ctx->buf), "%x.%x.%x-%x.%x.%x", netlist->major, netlist->minor,
-		 netlist->type >> 16, netlist->type & 0xFFFF, netlist->rev,
-		 netlist->cust_ver);
-
-	return 0;
+	snprintf(ctx->buf, sizeof(ctx->buf), "%x.%x.%x-%x.%x.%x",
+		 netlist->major, netlist->minor,
+		 netlist->type >> 16, netlist->type & 0xFFFF,
+		 netlist->rev, netlist->cust_ver);
 }
 
-static int ice_info_netlist_build(struct ice_pf *pf, struct ice_info_ctx *ctx)
+static void ice_info_netlist_build(struct ice_pf *pf, struct ice_info_ctx *ctx)
 {
 	struct ice_netlist_info *netlist = &pf->hw.flash.netlist;
 
 	snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", netlist->hash);
-
-	return 0;
 }
 
-static int
-ice_info_pending_netlist_ver(struct ice_pf __always_unused *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_pending_netlist_ver(struct ice_pf __always_unused *pf,
+			     struct ice_info_ctx *ctx)
 {
 	struct ice_netlist_info *netlist = &ctx->pending_netlist;
 
@@ -195,21 +174,18 @@ ice_info_pending_netlist_ver(struct ice_pf __always_unused *pf, struct ice_info_
 	if (ctx->dev_caps.common_cap.nvm_update_pending_netlist)
 		snprintf(ctx->buf, sizeof(ctx->buf), "%x.%x.%x-%x.%x.%x",
 			 netlist->major, netlist->minor,
-			 netlist->type >> 16, netlist->type & 0xFFFF, netlist->rev,
-			 netlist->cust_ver);
-
-	return 0;
+			 netlist->type >> 16, netlist->type & 0xFFFF,
+			 netlist->rev, netlist->cust_ver);
 }
 
-static int
-ice_info_pending_netlist_build(struct ice_pf __always_unused *pf, struct ice_info_ctx *ctx)
+static void
+ice_info_pending_netlist_build(struct ice_pf __always_unused *pf,
+			       struct ice_info_ctx *ctx)
 {
 	struct ice_netlist_info *netlist = &ctx->pending_netlist;
 
 	if (ctx->dev_caps.common_cap.nvm_update_pending_netlist)
 		snprintf(ctx->buf, sizeof(ctx->buf), "0x%08x", netlist->hash);
-
-	return 0;
 }
 
 #define fixed(key, getter) { ICE_VERSION_FIXED, key, getter, NULL }
@@ -239,8 +215,8 @@ enum ice_version_type {
 static const struct ice_devlink_version {
 	enum ice_version_type type;
 	const char *key;
-	int (*getter)(struct ice_pf *pf, struct ice_info_ctx *ctx);
-	int (*fallback)(struct ice_pf *pf, struct ice_info_ctx *ctx);
+	void (*getter)(struct ice_pf *pf, struct ice_info_ctx *ctx);
+	void (*fallback)(struct ice_pf *pf, struct ice_info_ctx *ctx);
 } ice_devlink_versions[] = {
 	fixed(DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, ice_info_pba),
 	running(DEVLINK_INFO_VERSION_GENERIC_FW_MGMT, ice_info_fw_mgmt),
@@ -352,24 +328,15 @@ static int ice_devlink_info_get(struct devlink *devlink,
 
 		memset(ctx->buf, 0, sizeof(ctx->buf));
 
-		err = ice_devlink_versions[i].getter(pf, ctx);
-		if (err) {
-			NL_SET_ERR_MSG_MOD(extack, "Unable to obtain version info");
-			goto out_free_ctx;
-		}
+		ice_devlink_versions[i].getter(pf, ctx);
 
 		/* If the default getter doesn't report a version, use the
 		 * fallback function. This is primarily useful in the case of
 		 * "stored" versions that want to report the same value as the
 		 * running version in the normal case of no pending update.
 		 */
-		if (ctx->buf[0] == '\0' && ice_devlink_versions[i].fallback) {
-			err = ice_devlink_versions[i].fallback(pf, ctx);
-			if (err) {
-				NL_SET_ERR_MSG_MOD(extack, "Unable to obtain version info");
-				goto out_free_ctx;
-			}
-		}
+		if (ctx->buf[0] == '\0' && ice_devlink_versions[i].fallback)
+			ice_devlink_versions[i].fallback(pf, ctx);
 
 		/* Do not report missing versions */
 		if (ctx->buf[0] == '\0')
@@ -457,6 +424,8 @@ ice_devlink_flash_update(struct devlink *devlink,
 
 static const struct devlink_ops ice_devlink_ops = {
 	.supported_flash_update_params = DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK,
+	.eswitch_mode_get = ice_eswitch_mode_get,
+	.eswitch_mode_set = ice_eswitch_mode_set,
 	.info_get = ice_devlink_info_get,
 	.flash_update = ice_devlink_flash_update,
 };
@@ -483,10 +452,8 @@ struct ice_pf *ice_allocate_pf(struct device *dev)
 		return NULL;
 
 	/* Add an action to teardown the devlink when unwinding the driver */
-	if (devm_add_action(dev, ice_devlink_free, devlink)) {
-		devlink_free(devlink);
+	if (devm_add_action_or_reset(dev, ice_devlink_free, devlink))
 		return NULL;
-	}
 
 	return devlink_priv(devlink);
 }
@@ -499,15 +466,58 @@ struct ice_pf *ice_allocate_pf(struct device *dev)
  *
  * Return: zero on success or an error code on failure.
  */
-int ice_devlink_register(struct ice_pf *pf)
+void ice_devlink_register(struct ice_pf *pf)
 {
 	struct devlink *devlink = priv_to_devlink(pf);
-	struct device *dev = ice_pf_to_dev(pf);
+
+	devlink_register(devlink);
+}
+
+/**
+ * ice_devlink_unregister - Unregister devlink resources for this PF.
+ * @pf: the PF structure to cleanup
+ *
+ * Releases resources used by devlink and cleans up associated memory.
+ */
+void ice_devlink_unregister(struct ice_pf *pf)
+{
+	devlink_unregister(priv_to_devlink(pf));
+}
+
+/**
+ * ice_devlink_create_pf_port - Create a devlink port for this PF
+ * @pf: the PF to create a devlink port for
+ *
+ * Create and register a devlink_port for this PF.
+ *
+ * Return: zero on success or an error code on failure.
+ */
+int ice_devlink_create_pf_port(struct ice_pf *pf)
+{
+	struct devlink_port_attrs attrs = {};
+	struct devlink_port *devlink_port;
+	struct devlink *devlink;
+	struct ice_vsi *vsi;
+	struct device *dev;
 	int err;
 
-	err = devlink_register(devlink);
+	dev = ice_pf_to_dev(pf);
+
+	devlink_port = &pf->devlink_port;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi)
+		return -EIO;
+
+	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
+	attrs.phys.port_number = pf->hw.bus.func;
+	devlink_port_attrs_set(devlink_port, &attrs);
+	devlink = priv_to_devlink(pf);
+
+	err = devlink_port_register(devlink, devlink_port, vsi->idx);
 	if (err) {
-		dev_err(dev, "devlink registration failed: %d\n", err);
+		dev_err(dev, "Failed to create devlink port for PF %d, error %d\n",
+			pf->hw.pf_id, err);
 		return err;
 	}
 
@@ -515,71 +525,75 @@ int ice_devlink_register(struct ice_pf *pf)
 }
 
 /**
- * ice_devlink_unregister - Unregister devlink resources for this PF.
- * @pf: the PF structure to cleanup
+ * ice_devlink_destroy_pf_port - Destroy the devlink_port for this PF
+ * @pf: the PF to cleanup
  *
- * Releases resources used by devlink and cleans up associated memory.
+ * Unregisters the devlink_port structure associated with this PF.
  */
-void ice_devlink_unregister(struct ice_pf *pf)
+void ice_devlink_destroy_pf_port(struct ice_pf *pf)
 {
-	devlink_unregister(priv_to_devlink(pf));
+	struct devlink_port *devlink_port;
+
+	devlink_port = &pf->devlink_port;
+
+	devlink_port_type_clear(devlink_port);
+	devlink_port_unregister(devlink_port);
 }
 
 /**
- * ice_devlink_create_port - Create a devlink port for this VSI
- * @vsi: the VSI to create a port for
+ * ice_devlink_create_vf_port - Create a devlink port for this VF
+ * @vf: the VF to create a port for
  *
- * Create and register a devlink_port for this VSI.
+ * Create and register a devlink_port for this VF.
  *
  * Return: zero on success or an error code on failure.
  */
-int ice_devlink_create_port(struct ice_vsi *vsi)
+int ice_devlink_create_vf_port(struct ice_vf *vf)
 {
 	struct devlink_port_attrs attrs = {};
-	struct ice_port_info *pi;
+	struct devlink_port *devlink_port;
 	struct devlink *devlink;
+	struct ice_vsi *vsi;
 	struct device *dev;
 	struct ice_pf *pf;
 	int err;
 
-	/* Currently we only create devlink_port instances for PF VSIs */
-	if (vsi->type != ICE_VSI_PF)
-		return -EINVAL;
+	pf = vf->pf;
+	dev = ice_pf_to_dev(pf);
+	vsi = ice_get_vf_vsi(vf);
+	devlink_port = &vf->devlink_port;
+
+	attrs.flavour = DEVLINK_PORT_FLAVOUR_PCI_VF;
+	attrs.pci_vf.pf = pf->hw.bus.func;
+	attrs.pci_vf.vf = vf->vf_id;
 
-	pf = vsi->back;
+	devlink_port_attrs_set(devlink_port, &attrs);
 	devlink = priv_to_devlink(pf);
-	dev = ice_pf_to_dev(pf);
-	pi = pf->hw.port_info;
 
-	attrs.flavour = DEVLINK_PORT_FLAVOUR_PHYSICAL;
-	attrs.phys.port_number = pi->lport;
-	devlink_port_attrs_set(&vsi->devlink_port, &attrs);
-	err = devlink_port_register(devlink, &vsi->devlink_port, vsi->idx);
+	err = devlink_port_register(devlink, devlink_port, vsi->idx);
 	if (err) {
-		dev_err(dev, "devlink_port_register failed: %d\n", err);
+		dev_err(dev, "Failed to create devlink port for VF %d, error %d\n",
+			vf->vf_id, err);
 		return err;
 	}
 
-	vsi->devlink_port_registered = true;
-
 	return 0;
 }
 
 /**
- * ice_devlink_destroy_port - Destroy the devlink_port for this VSI
- * @vsi: the VSI to cleanup
+ * ice_devlink_destroy_vf_port - Destroy the devlink_port for this VF
+ * @vf: the VF to cleanup
  *
- * Unregisters the devlink_port structure associated with this VSI.
+ * Unregisters the devlink_port structure associated with this VF.
  */
-void ice_devlink_destroy_port(struct ice_vsi *vsi)
+void ice_devlink_destroy_vf_port(struct ice_vf *vf)
 {
-	if (!vsi->devlink_port_registered)
-		return;
+	struct devlink_port *devlink_port;
 
-	devlink_port_type_clear(&vsi->devlink_port);
-	devlink_port_unregister(&vsi->devlink_port);
+	devlink_port = &vf->devlink_port;
 
-	vsi->devlink_port_registered = false;
+	devlink_port_type_clear(devlink_port);
+	devlink_port_unregister(devlink_port);
 }
 
 /**