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7#ifndef _QED_OOO_H
8#define _QED_OOO_H
9#include <linux/types.h>
10#include <linux/list.h>
11#include <linux/slab.h>
12#include "qed.h"
13
14#define QED_MAX_NUM_ISLES 256
15#define QED_MAX_NUM_OOO_HISTORY_ENTRIES 512
16
17#define QED_OOO_LEFT_BUF 0
18#define QED_OOO_RIGHT_BUF 1
19
20struct qed_ooo_buffer {
21 struct list_head list_entry;
22 void *rx_buffer_virt_addr;
23 dma_addr_t rx_buffer_phys_addr;
24 u32 rx_buffer_size;
25 u16 packet_length;
26 u16 parse_flags;
27 u16 vlan;
28 u8 placement_offset;
29};
30
31struct qed_ooo_isle {
32 struct list_head list_entry;
33 struct list_head buffers_list;
34};
35
36struct qed_ooo_archipelago {
37 struct list_head isles_list;
38};
39
40struct qed_ooo_history {
41 struct ooo_opaque *p_cqes;
42 u32 head_idx;
43 u32 num_of_cqes;
44};
45
46struct qed_ooo_info {
47 struct list_head free_buffers_list;
48 struct list_head ready_buffers_list;
49 struct list_head free_isles_list;
50 struct qed_ooo_archipelago *p_archipelagos_mem;
51 struct qed_ooo_isle *p_isles_mem;
52 struct qed_ooo_history ooo_history;
53 u32 cur_isles_number;
54 u32 max_isles_number;
55 u32 gen_isles_number;
56 u16 max_num_archipelagos;
57 u16 cid_base;
58};
59
60#if IS_ENABLED(CONFIG_QED_OOO)
61void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
62 struct qed_ooo_info *p_ooo_info,
63 struct ooo_opaque *p_cqe);
64
65int qed_ooo_alloc(struct qed_hwfn *p_hwfn);
66
67void qed_ooo_setup(struct qed_hwfn *p_hwfn);
68
69void qed_ooo_free(struct qed_hwfn *p_hwfn);
70
71void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,
72 struct qed_ooo_info *p_ooo_info,
73 u32 cid);
74
75void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,
76 struct qed_ooo_info *p_ooo_info);
77
78void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,
79 struct qed_ooo_info *p_ooo_info,
80 struct qed_ooo_buffer *p_buffer);
81
82struct qed_ooo_buffer *
83qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,
84 struct qed_ooo_info *p_ooo_info);
85
86void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,
87 struct qed_ooo_info *p_ooo_info,
88 struct qed_ooo_buffer *p_buffer, u8 on_tail);
89
90struct qed_ooo_buffer *
91qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,
92 struct qed_ooo_info *p_ooo_info);
93
94void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,
95 struct qed_ooo_info *p_ooo_info,
96 u32 cid, u8 drop_isle, u8 drop_size);
97
98void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,
99 struct qed_ooo_info *p_ooo_info,
100 u32 cid,
101 u8 ooo_isle, struct qed_ooo_buffer *p_buffer);
102
103void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,
104 struct qed_ooo_info *p_ooo_info,
105 u32 cid,
106 u8 ooo_isle,
107 struct qed_ooo_buffer *p_buffer, u8 buffer_side);
108
109void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,
110 struct qed_ooo_info *p_ooo_info, u32 cid,
111 u8 left_isle);
112#else
113static inline void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
114 struct qed_ooo_info *p_ooo_info,
115 struct ooo_opaque *p_cqe) {}
116
117static inline int qed_ooo_alloc(struct qed_hwfn *p_hwfn)
118{
119 return -EINVAL;
120}
121
122static inline void qed_ooo_setup(struct qed_hwfn *p_hwfn) {}
123
124static inline void qed_ooo_free(struct qed_hwfn *p_hwfn) {}
125
126static inline void
127qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,
128 struct qed_ooo_info *p_ooo_info,
129 u32 cid) {}
130
131static inline void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,
132 struct qed_ooo_info *p_ooo_info)
133 {}
134
135static inline void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,
136 struct qed_ooo_info *p_ooo_info,
137 struct qed_ooo_buffer *p_buffer) {}
138
139static inline struct qed_ooo_buffer *
140qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,
141 struct qed_ooo_info *p_ooo_info) { return NULL; }
142
143static inline void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,
144 struct qed_ooo_info *p_ooo_info,
145 struct qed_ooo_buffer *p_buffer,
146 u8 on_tail) {}
147
148static inline struct qed_ooo_buffer *
149qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,
150 struct qed_ooo_info *p_ooo_info) { return NULL; }
151
152static inline void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,
153 struct qed_ooo_info *p_ooo_info,
154 u32 cid, u8 drop_isle, u8 drop_size) {}
155
156static inline void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,
157 struct qed_ooo_info *p_ooo_info,
158 u32 cid, u8 ooo_isle,
159 struct qed_ooo_buffer *p_buffer) {}
160
161static inline void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,
162 struct qed_ooo_info *p_ooo_info,
163 u32 cid, u8 ooo_isle,
164 struct qed_ooo_buffer *p_buffer,
165 u8 buffer_side) {}
166
167static inline void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,
168 struct qed_ooo_info *p_ooo_info, u32 cid,
169 u8 left_isle) {}
170#endif
171
172#endif
173
