3c7b51bd39
Right now it can be seen that the VSC9959 (Felix) switch will not flood frames if they have a VLAN tag with a PCP of 1-7 (nonzero). It turns out that Felix is quite different from its cousin, Ocelot, in that frame flooding can be allowed/denied per traffic class. Where Ocelot has 1 instance of the ANA_FLOODING register, Felix has 8. The approach that this driver is going to take is "thanks, but no thanks". We have no use case of limiting the flooding domain based on traffic class, so we just want to allow packets to be flooded, no matter what traffic class they have. So we copy the line of code from ocelot.c which does the one-shot initialization of the flooding PGIDs, and we add it to felix.c as well - except replicated 8 times. Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright 2019 NXP Semiconductors
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*/
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#ifndef _MSCC_FELIX_H
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#define _MSCC_FELIX_H
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#define ocelot_to_felix(o) container_of((o), struct felix, ocelot)
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#define FELIX_NUM_TC 8
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/* Platform-specific information */
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struct felix_info {
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struct resource *target_io_res;
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struct resource *port_io_res;
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struct resource *imdio_res;
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const struct reg_field *regfields;
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const u32 *const *map;
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const struct ocelot_ops *ops;
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int shared_queue_sz;
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const struct ocelot_stat_layout *stats_layout;
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unsigned int num_stats;
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int num_ports;
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struct vcap_field *vcap_is2_keys;
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struct vcap_field *vcap_is2_actions;
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const struct vcap_props *vcap;
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int switch_pci_bar;
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int imdio_pci_bar;
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int (*mdio_bus_alloc)(struct ocelot *ocelot);
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void (*mdio_bus_free)(struct ocelot *ocelot);
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void (*pcs_init)(struct ocelot *ocelot, int port,
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unsigned int link_an_mode,
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const struct phylink_link_state *state);
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void (*pcs_an_restart)(struct ocelot *ocelot, int port);
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void (*pcs_link_state)(struct ocelot *ocelot, int port,
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struct phylink_link_state *state);
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int (*prevalidate_phy_mode)(struct ocelot *ocelot, int port,
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phy_interface_t phy_mode);
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};
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extern struct felix_info felix_info_vsc9959;
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enum felix_instance {
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FELIX_INSTANCE_VSC9959 = 0,
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};
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/* DSA glue / front-end for struct ocelot */
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struct felix {
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struct dsa_switch *ds;
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struct pci_dev *pdev;
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struct felix_info *info;
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struct ocelot ocelot;
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struct mii_bus *imdio;
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struct phy_device **pcs;
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};
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#endif
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