1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. |
4 | * Copyright 2007 Nuova Systems, Inc. All rights reserved. |
5 | */ |
6 | |
7 | #ifndef _ENIC_RES_H_ |
8 | #define _ENIC_RES_H_ |
9 | |
10 | #include "wq_enet_desc.h" |
11 | #include "rq_enet_desc.h" |
12 | #include "vnic_wq.h" |
13 | #include "vnic_rq.h" |
14 | |
15 | #define ENIC_MIN_WQ_DESCS 64 |
16 | #define ENIC_MAX_WQ_DESCS 4096 |
17 | #define ENIC_MIN_RQ_DESCS 64 |
18 | #define ENIC_MAX_RQ_DESCS 4096 |
19 | |
20 | #define ENIC_MIN_MTU ETH_MIN_MTU |
21 | #define ENIC_MAX_MTU 9000 |
22 | |
23 | #define ENIC_MULTICAST_PERFECT_FILTERS 32 |
24 | #define ENIC_UNICAST_PERFECT_FILTERS 32 |
25 | |
26 | #define ENIC_NON_TSO_MAX_DESC 16 |
27 | |
28 | #define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) |
29 | |
30 | static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, |
31 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
32 | unsigned int mss_or_csum_offset, unsigned int hdr_len, |
33 | int vlan_tag_insert, unsigned int vlan_tag, |
34 | int offload_mode, int cq_entry, int sop, int eop, int loopback) |
35 | { |
36 | struct wq_enet_desc *desc = vnic_wq_next_desc(wq); |
37 | u8 desc_skip_cnt = 1; |
38 | u8 compressed_send = 0; |
39 | u64 wrid = 0; |
40 | |
41 | wq_enet_desc_enc(desc, |
42 | address: (u64)dma_addr | VNIC_PADDR_TARGET, |
43 | length: (u16)len, |
44 | mss: (u16)mss_or_csum_offset, |
45 | header_length: (u16)hdr_len, offload_mode: (u8)offload_mode, |
46 | eop: (u8)eop, cq_entry: (u8)cq_entry, |
47 | fcoe_encap: 0, /* fcoe_encap */ |
48 | vlan_tag_insert: (u8)vlan_tag_insert, |
49 | vlan_tag: (u16)vlan_tag, |
50 | loopback: (u8)loopback); |
51 | |
52 | vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt, |
53 | cq_entry: (u8)cq_entry, compressed_send, wrid); |
54 | } |
55 | |
56 | static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, |
57 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
58 | int eop, int loopback) |
59 | { |
60 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
61 | mss_or_csum_offset: 0, hdr_len: 0, vlan_tag_insert: 0, vlan_tag: 0, offload_mode: 0, |
62 | cq_entry: eop, sop: 0 /* !SOP */, eop, loopback); |
63 | } |
64 | |
65 | static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, |
66 | dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, |
67 | unsigned int vlan_tag, int eop, int loopback) |
68 | { |
69 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
70 | mss_or_csum_offset: 0, hdr_len: 0, vlan_tag_insert, vlan_tag, |
71 | WQ_ENET_OFFLOAD_MODE_CSUM, |
72 | cq_entry: eop, sop: 1 /* SOP */, eop, loopback); |
73 | } |
74 | |
75 | static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, |
76 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
77 | int ip_csum, int tcpudp_csum, int vlan_tag_insert, |
78 | unsigned int vlan_tag, int eop, int loopback) |
79 | { |
80 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
81 | mss_or_csum_offset: (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), |
82 | hdr_len: 0, vlan_tag_insert, vlan_tag, |
83 | WQ_ENET_OFFLOAD_MODE_CSUM, |
84 | cq_entry: eop, sop: 1 /* SOP */, eop, loopback); |
85 | } |
86 | |
87 | static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, |
88 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
89 | unsigned int csum_offset, unsigned int hdr_len, |
90 | int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) |
91 | { |
92 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
93 | mss_or_csum_offset: csum_offset, hdr_len, vlan_tag_insert, vlan_tag, |
94 | WQ_ENET_OFFLOAD_MODE_CSUM_L4, |
95 | cq_entry: eop, sop: 1 /* SOP */, eop, loopback); |
96 | } |
97 | |
98 | static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, |
99 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
100 | unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, |
101 | unsigned int vlan_tag, int eop, int loopback) |
102 | { |
103 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, |
104 | mss_or_csum_offset: mss, hdr_len, vlan_tag_insert, vlan_tag, |
105 | WQ_ENET_OFFLOAD_MODE_TSO, |
106 | cq_entry: eop, sop: 1 /* SOP */, eop, loopback); |
107 | } |
108 | |
109 | static inline void enic_queue_rq_desc(struct vnic_rq *rq, |
110 | void *os_buf, unsigned int os_buf_index, |
111 | dma_addr_t dma_addr, unsigned int len) |
112 | { |
113 | struct rq_enet_desc *desc = vnic_rq_next_desc(rq); |
114 | u64 wrid = 0; |
115 | u8 type = os_buf_index ? |
116 | RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; |
117 | |
118 | rq_enet_desc_enc(desc, |
119 | address: (u64)dma_addr | VNIC_PADDR_TARGET, |
120 | type, length: (u16)len); |
121 | |
122 | vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid); |
123 | } |
124 | |
125 | struct enic; |
126 | |
127 | int enic_get_vnic_config(struct enic *); |
128 | int enic_add_vlan(struct enic *enic, u16 vlanid); |
129 | int enic_del_vlan(struct enic *enic, u16 vlanid); |
130 | int enic_set_nic_cfg(struct enic *enic, u8 , u8 , |
131 | u8 , u8 , u8 , u8 tso_ipid_split_en, |
132 | u8 ig_vlan_strip_en); |
133 | int (struct enic *enic, dma_addr_t key_pa, u64 len); |
134 | int (struct enic *enic, dma_addr_t cpu_pa, u64 len); |
135 | void enic_get_res_counts(struct enic *enic); |
136 | void enic_init_vnic_resources(struct enic *enic); |
137 | int enic_alloc_vnic_resources(struct enic *); |
138 | void enic_free_vnic_resources(struct enic *); |
139 | |
140 | #endif /* _ENIC_RES_H_ */ |
141 | |