1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015 QLogic Corporation
3  *
4  * This software is available under the terms of the GNU General Public License
5  * (GPL) Version 2, available from the file COPYING in the main directory of
6  * this source tree.
7  */
8 
9 #ifndef _QED_DCBX_H
10 #define _QED_DCBX_H
11 #include <linux/types.h>
12 #include <linux/slab.h>
13 #include "qed.h"
14 #include "qed_hsi.h"
15 #include "qed_hw.h"
16 #include "qed_mcp.h"
17 #include "qed_reg_addr.h"
18 
19 #define DCBX_CONFIG_MAX_APP_PROTOCOL    4
20 
21 enum qed_mib_read_type {
22 	QED_DCBX_OPERATIONAL_MIB,
23 	QED_DCBX_REMOTE_MIB,
24 	QED_DCBX_LOCAL_MIB,
25 	QED_DCBX_REMOTE_LLDP_MIB,
26 	QED_DCBX_LOCAL_LLDP_MIB
27 };
28 
29 struct qed_dcbx_app_data {
30 	bool enable;		/* DCB enabled */
31 	bool update;		/* Update indication */
32 	u8 priority;		/* Priority */
33 	u8 tc;			/* Traffic Class */
34 };
35 
36 struct qed_dcbx_results {
37 	bool dcbx_enabled;
38 	u8 pf_id;
39 	struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
40 };
41 
42 struct qed_dcbx_app_metadata {
43 	enum dcbx_protocol_type id;
44 	char *name;
45 	enum qed_pci_personality personality;
46 };
47 
48 #define QED_MFW_GET_FIELD(name, field) \
49 	(((name) & (field ## _MASK)) >> (field ## _SHIFT))
50 
51 struct qed_dcbx_info {
52 	struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
53 	struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
54 	struct dcbx_local_params local_admin;
55 	struct qed_dcbx_results results;
56 	struct dcbx_mib operational;
57 	struct dcbx_mib remote;
58 	u8 dcbx_cap;
59 };
60 
61 struct qed_dcbx_mib_meta_data {
62 	struct lldp_config_params_s *lldp_local;
63 	struct lldp_status_params_s *lldp_remote;
64 	struct dcbx_local_params *local_admin;
65 	struct dcbx_mib *mib;
66 	size_t size;
67 	u32 addr;
68 };
69 
70 /* QED local interface routines */
71 int
72 qed_dcbx_mib_update_event(struct qed_hwfn *,
73 			  struct qed_ptt *, enum qed_mib_read_type);
74 
75 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
76 void qed_dcbx_info_free(struct qed_hwfn *, struct qed_dcbx_info *);
77 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
78 				   struct pf_update_ramrod_data *p_dest);
79 
80 #endif
81