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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/net/dsa/ocelot/felix.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/dsa/ocelot/felix.h')
-rw-r--r--drivers/net/dsa/ocelot/felix.h105
1 files changed, 105 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
new file mode 100644
index 0000000000..1d4befe7cf
--- /dev/null
+++ b/drivers/net/dsa/ocelot/felix.h
@@ -0,0 +1,105 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright 2019 NXP
+ */
+#ifndef _MSCC_FELIX_H
+#define _MSCC_FELIX_H
+
+#define ocelot_to_felix(o) container_of((o), struct felix, ocelot)
+#define FELIX_MAC_QUIRKS OCELOT_QUIRK_PCS_PERFORMS_RATE_ADAPTATION
+
+#define OCELOT_PORT_MODE_NONE 0
+#define OCELOT_PORT_MODE_INTERNAL BIT(0)
+#define OCELOT_PORT_MODE_SGMII BIT(1)
+#define OCELOT_PORT_MODE_QSGMII BIT(2)
+#define OCELOT_PORT_MODE_2500BASEX BIT(3)
+#define OCELOT_PORT_MODE_USXGMII BIT(4)
+#define OCELOT_PORT_MODE_1000BASEX BIT(5)
+
+struct device_node;
+
+/* Platform-specific information */
+struct felix_info {
+ /* Hardcoded resources provided by the hardware instantiation. */
+ const struct resource *resources;
+ size_t num_resources;
+ /* Names of the mandatory resources that will be requested during
+ * probe. Must have TARGET_MAX elements, since it is indexed by target.
+ */
+ const char *const *resource_names;
+ const struct reg_field *regfields;
+ const u32 *const *map;
+ const struct ocelot_ops *ops;
+ const u32 *port_modes;
+ int num_mact_rows;
+ int num_ports;
+ int num_tx_queues;
+ struct vcap_props *vcap;
+ u16 vcap_pol_base;
+ u16 vcap_pol_max;
+ u16 vcap_pol_base2;
+ u16 vcap_pol_max2;
+ const struct ptp_clock_info *ptp_caps;
+ unsigned long quirks;
+
+ /* Some Ocelot switches are integrated into the SoC without the
+ * extraction IRQ line connected to the ARM GIC. By enabling this
+ * workaround, the few packets that are delivered to the CPU port
+ * module (currently only PTP) are copied not only to the hardware CPU
+ * port module, but also to the 802.1Q Ethernet CPU port, and polling
+ * the extraction registers is triggered once the DSA tagger sees a PTP
+ * frame. The Ethernet frame is only used as a notification: it is
+ * dropped, and the original frame is extracted over MMIO and annotated
+ * with the RX timestamp.
+ */
+ bool quirk_no_xtr_irq;
+
+ int (*mdio_bus_alloc)(struct ocelot *ocelot);
+ void (*mdio_bus_free)(struct ocelot *ocelot);
+ int (*port_setup_tc)(struct dsa_switch *ds, int port,
+ enum tc_setup_type type, void *type_data);
+ void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
+ u32 speed);
+ void (*phylink_mac_config)(struct ocelot *ocelot, int port,
+ unsigned int mode,
+ const struct phylink_link_state *state);
+ int (*configure_serdes)(struct ocelot *ocelot, int port,
+ struct device_node *portnp);
+};
+
+/* Methods for initializing the hardware resources specific to a tagging
+ * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs,
+ * for "ocelot-8021q").
+ * It is important that the resources configured here do not have side effects
+ * for the other tagging protocols. If that is the case, their configuration
+ * needs to go to felix_tag_proto_setup_shared().
+ */
+struct felix_tag_proto_ops {
+ int (*setup)(struct dsa_switch *ds);
+ void (*teardown)(struct dsa_switch *ds);
+ unsigned long (*get_host_fwd_mask)(struct dsa_switch *ds);
+ int (*change_master)(struct dsa_switch *ds, int port,
+ struct net_device *master,
+ struct netlink_ext_ack *extack);
+};
+
+extern const struct dsa_switch_ops felix_switch_ops;
+
+/* DSA glue / front-end for struct ocelot */
+struct felix {
+ struct dsa_switch *ds;
+ const struct felix_info *info;
+ struct ocelot ocelot;
+ struct mii_bus *imdio;
+ struct phylink_pcs **pcs;
+ resource_size_t switch_base;
+ enum dsa_tag_protocol tag_proto;
+ const struct felix_tag_proto_ops *tag_proto_ops;
+ struct kthread_worker *xmit_worker;
+ unsigned long host_flood_uc_mask;
+ unsigned long host_flood_mc_mask;
+};
+
+struct net_device *felix_port_to_netdev(struct ocelot *ocelot, int port);
+int felix_netdev_to_port(struct net_device *dev);
+
+#endif