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01f2e4ea | 1 | /* |
29046f9b | 2 | * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. |
01f2e4ea SF |
3 | * Copyright 2007 Nuova Systems, Inc. All rights reserved. |
4 | * | |
5 | * This program is free software; you may redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; version 2 of the License. | |
8 | * | |
9 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
10 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
11 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
12 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
13 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
14 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
15 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
16 | * SOFTWARE. | |
17 | * | |
18 | */ | |
19 | ||
20 | #ifndef _ENIC_RES_H_ | |
21 | #define _ENIC_RES_H_ | |
22 | ||
23 | #include "wq_enet_desc.h" | |
24 | #include "rq_enet_desc.h" | |
25 | #include "vnic_wq.h" | |
26 | #include "vnic_rq.h" | |
27 | ||
28 | #define ENIC_MIN_WQ_DESCS 64 | |
29 | #define ENIC_MAX_WQ_DESCS 4096 | |
30 | #define ENIC_MIN_RQ_DESCS 64 | |
31 | #define ENIC_MAX_RQ_DESCS 4096 | |
32 | ||
d0585909 | 33 | #define ENIC_MIN_MTU 68 |
01f2e4ea SF |
34 | #define ENIC_MAX_MTU 9000 |
35 | ||
36 | #define ENIC_MULTICAST_PERFECT_FILTERS 32 | |
319d7e84 | 37 | #define ENIC_UNICAST_PERFECT_FILTERS 32 |
01f2e4ea SF |
38 | |
39 | #define ENIC_NON_TSO_MAX_DESC 16 | |
40 | ||
41 | #define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) | |
42 | ||
43 | static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, | |
44 | void *os_buf, dma_addr_t dma_addr, unsigned int len, | |
45 | unsigned int mss_or_csum_offset, unsigned int hdr_len, | |
46 | int vlan_tag_insert, unsigned int vlan_tag, | |
1825aca6 | 47 | int offload_mode, int cq_entry, int sop, int eop, int loopback) |
01f2e4ea SF |
48 | { |
49 | struct wq_enet_desc *desc = vnic_wq_next_desc(wq); | |
50 | ||
51 | wq_enet_desc_enc(desc, | |
52 | (u64)dma_addr | VNIC_PADDR_TARGET, | |
53 | (u16)len, | |
54 | (u16)mss_or_csum_offset, | |
55 | (u16)hdr_len, (u8)offload_mode, | |
56 | (u8)eop, (u8)cq_entry, | |
57 | 0, /* fcoe_encap */ | |
58 | (u8)vlan_tag_insert, | |
59 | (u16)vlan_tag, | |
1825aca6 | 60 | (u8)loopback); |
01f2e4ea | 61 | |
01f2e4ea SF |
62 | vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); |
63 | } | |
64 | ||
65 | static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, | |
1825aca6 VK |
66 | void *os_buf, dma_addr_t dma_addr, unsigned int len, |
67 | int eop, int loopback) | |
01f2e4ea SF |
68 | { |
69 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, | |
70 | 0, 0, 0, 0, 0, | |
1825aca6 | 71 | eop, 0 /* !SOP */, eop, loopback); |
01f2e4ea SF |
72 | } |
73 | ||
74 | static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, | |
75 | dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, | |
1825aca6 | 76 | unsigned int vlan_tag, int eop, int loopback) |
01f2e4ea SF |
77 | { |
78 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, | |
79 | 0, 0, vlan_tag_insert, vlan_tag, | |
80 | WQ_ENET_OFFLOAD_MODE_CSUM, | |
1825aca6 | 81 | eop, 1 /* SOP */, eop, loopback); |
01f2e4ea SF |
82 | } |
83 | ||
84 | static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, | |
85 | void *os_buf, dma_addr_t dma_addr, unsigned int len, | |
86 | int ip_csum, int tcpudp_csum, int vlan_tag_insert, | |
1825aca6 | 87 | unsigned int vlan_tag, int eop, int loopback) |
01f2e4ea SF |
88 | { |
89 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, | |
90 | (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), | |
91 | 0, vlan_tag_insert, vlan_tag, | |
92 | WQ_ENET_OFFLOAD_MODE_CSUM, | |
1825aca6 | 93 | eop, 1 /* SOP */, eop, loopback); |
01f2e4ea SF |
94 | } |
95 | ||
96 | static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, | |
97 | void *os_buf, dma_addr_t dma_addr, unsigned int len, | |
98 | unsigned int csum_offset, unsigned int hdr_len, | |
1825aca6 | 99 | int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) |
01f2e4ea SF |
100 | { |
101 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, | |
102 | csum_offset, hdr_len, vlan_tag_insert, vlan_tag, | |
103 | WQ_ENET_OFFLOAD_MODE_CSUM_L4, | |
1825aca6 | 104 | eop, 1 /* SOP */, eop, loopback); |
01f2e4ea SF |
105 | } |
106 | ||
107 | static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, | |
108 | void *os_buf, dma_addr_t dma_addr, unsigned int len, | |
109 | unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, | |
1825aca6 | 110 | unsigned int vlan_tag, int eop, int loopback) |
01f2e4ea SF |
111 | { |
112 | enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, | |
113 | mss, hdr_len, vlan_tag_insert, vlan_tag, | |
114 | WQ_ENET_OFFLOAD_MODE_TSO, | |
1825aca6 | 115 | eop, 1 /* SOP */, eop, loopback); |
01f2e4ea SF |
116 | } |
117 | ||
118 | static inline void enic_queue_rq_desc(struct vnic_rq *rq, | |
119 | void *os_buf, unsigned int os_buf_index, | |
120 | dma_addr_t dma_addr, unsigned int len) | |
121 | { | |
122 | struct rq_enet_desc *desc = vnic_rq_next_desc(rq); | |
123 | u8 type = os_buf_index ? | |
124 | RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; | |
125 | ||
126 | rq_enet_desc_enc(desc, | |
127 | (u64)dma_addr | VNIC_PADDR_TARGET, | |
128 | type, (u16)len); | |
129 | ||
01f2e4ea SF |
130 | vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len); |
131 | } | |
132 | ||
133 | struct enic; | |
134 | ||
135 | int enic_get_vnic_config(struct enic *); | |
383ab92f VK |
136 | int enic_add_vlan(struct enic *enic, u16 vlanid); |
137 | int enic_del_vlan(struct enic *enic, u16 vlanid); | |
01f2e4ea SF |
138 | int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, |
139 | u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, | |
140 | u8 ig_vlan_strip_en); | |
717258ba VK |
141 | int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len); |
142 | int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len); | |
01f2e4ea SF |
143 | void enic_get_res_counts(struct enic *enic); |
144 | void enic_init_vnic_resources(struct enic *enic); | |
145 | int enic_alloc_vnic_resources(struct enic *); | |
146 | void enic_free_vnic_resources(struct enic *); | |
147 | ||
148 | #endif /* _ENIC_RES_H_ */ |