xref: /linux/drivers/net/ethernet/freescale/enetc/enetc_pf.h (revision 5822ab0f3e89b35cabe2323dbfd6c2ab883fde4b)
1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2017-2019 NXP */
3 
4 #include "enetc.h"
5 #include <linux/phylink.h>
6 
7 #define ENETC_PF_NUM_RINGS	8
8 #define ENETC_VLAN_HT_SIZE	64
9 #define ENETC_VF_MC_HASH_BITS_MAX	8 /* For untrusted VFs */
10 
11 enum enetc_vf_flags {
12 	ENETC_VF_FLAG_PF_SET_MAC	= BIT(0),
13 	ENETC_VF_FLAG_TRUSTED		= BIT(1),
14 	ENETC_VF_FLAG_UC_PROMISC	= BIT(2),
15 	ENETC_VF_FLAG_MC_PROMISC	= BIT(3),
16 	ENETC_VF_FLAG_SPOOFCHK		= BIT(4),
17 };
18 
19 struct enetc_vf_state {
20 	struct mutex lock; /* Prevent concurrent access */
21 	enum enetc_vf_flags flags;
22 	/* Number of consecutive failures to send PF-to-VF messages */
23 	int msg_fail_cnt;
24 	u8 tpid; /* SI-based VLAN TPID (0: 0x8100, 1: 0x88a8) */
25 	u8 qos; /* SI-based VLAN QOS (priority) bits */
26 	u16 vid; /* SI-based VLAN ID */
27 };
28 
29 struct enetc_port_caps {
30 	int num_msix;
31 	int num_rx_bdr;
32 	int num_tx_bdr;
33 };
34 
35 struct enetc_pf;
36 
37 struct enetc_pf_ops {
38 	void (*set_si_primary_mac)(struct enetc_hw *hw, int si, const u8 *addr);
39 	void (*get_si_primary_mac)(struct enetc_hw *hw, int si, u8 *addr);
40 	struct phylink_pcs *(*create_pcs)(struct enetc_pf *pf, struct mii_bus *bus);
41 	void (*destroy_pcs)(struct phylink_pcs *pcs);
42 	int (*enable_psfp)(struct enetc_ndev_priv *priv);
43 	void (*vf_flr_handler)(struct enetc_pf *pf, int vf_id);
44 };
45 
46 struct enetc_pf {
47 	struct enetc_si *si;
48 	int num_vfs; /* number of active VFs, after sriov_init */
49 	int total_vfs; /* max number of VFs, set for PF at probe */
50 	struct enetc_vf_state *vf_state;
51 	struct enetc_msg_swbd *rxmsg;
52 
53 	DECLARE_BITMAP(vlan_ht_filter, ENETC_VLAN_HT_SIZE);
54 	DECLARE_BITMAP(active_vlans, VLAN_N_VID);
55 
56 	struct mii_bus *mdio; /* saved for cleanup */
57 	struct mii_bus *imdio;
58 	struct phylink_pcs *pcs;
59 
60 	phy_interface_t if_mode;
61 	struct phylink_config phylink_config;
62 
63 	struct enetc_port_caps caps;
64 	const struct enetc_pf_ops *ops;
65 
66 	struct work_struct link_status_task;
67 	bool sriov_enabled;
68 	bool link_up;
69 	u16 link_status_ms_mask;
70 };
71 
72 #define phylink_to_enetc_pf(config) \
73 	container_of((config), struct enetc_pf, phylink_config)
74