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34 #ident "$Id: enic_res.h 173137 2014-05-16 03:27:22Z sanpilla $"
39 #include "wq_enet_desc.h"
40 #include "rq_enet_desc.h"
44 #define ENIC_MIN_WQ_DESCS 64
45 #define ENIC_MAX_WQ_DESCS 4096
46 #define ENIC_MIN_RQ_DESCS 64
47 #define ENIC_MAX_RQ_DESCS 4096
49 #define ENIC_MIN_MTU 68
50 #define ENIC_MAX_MTU 9000
52 #define ENIC_MULTICAST_PERFECT_FILTERS 32
53 #define ENIC_UNICAST_PERFECT_FILTERS 32
55 #define ENIC_NON_TSO_MAX_DESC 16
57 #define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
59 static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq,
60 void *os_buf, dma_addr_t dma_addr, unsigned int len,
61 unsigned int mss_or_csum_offset, unsigned int hdr_len,
62 int vlan_tag_insert, unsigned int vlan_tag,
63 int offload_mode, int cq_entry, int sop, int eop, int loopback)
65 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
67 u8 compressed_send = 0;
70 wq_enet_desc_enc(desc,
71 (u64)dma_addr | VNIC_PADDR_TARGET,
73 (u16)mss_or_csum_offset,
74 (u16)hdr_len, (u8)offload_mode,
75 (u8)eop, (u8)cq_entry,
81 vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt,
82 (u8)cq_entry, compressed_send, wrid);
85 static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq,
86 void *os_buf, dma_addr_t dma_addr, unsigned int len,
87 int eop, int loopback)
89 enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
91 eop, 0 /* !SOP */, eop, loopback);
94 static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf,
95 dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert,
96 unsigned int vlan_tag, int eop, int loopback)
98 enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
99 0, 0, vlan_tag_insert, vlan_tag,
100 WQ_ENET_OFFLOAD_MODE_CSUM,
101 eop, 1 /* SOP */, eop, loopback);
104 static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq,
105 void *os_buf, dma_addr_t dma_addr, unsigned int len,
106 int ip_csum, int tcpudp_csum, int vlan_tag_insert,
107 unsigned int vlan_tag, int eop, int loopback)
109 enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
110 (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0),
111 0, vlan_tag_insert, vlan_tag,
112 WQ_ENET_OFFLOAD_MODE_CSUM,
113 eop, 1 /* SOP */, eop, loopback);
116 static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq,
117 void *os_buf, dma_addr_t dma_addr, unsigned int len,
118 unsigned int csum_offset, unsigned int hdr_len,
119 int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback)
121 enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
122 csum_offset, hdr_len, vlan_tag_insert, vlan_tag,
123 WQ_ENET_OFFLOAD_MODE_CSUM_L4,
124 eop, 1 /* SOP */, eop, loopback);
127 static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq,
128 void *os_buf, dma_addr_t dma_addr, unsigned int len,
129 unsigned int mss, unsigned int hdr_len, int vlan_tag_insert,
130 unsigned int vlan_tag, int eop, int loopback)
132 enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len,
133 mss, hdr_len, vlan_tag_insert, vlan_tag,
134 WQ_ENET_OFFLOAD_MODE_TSO,
135 eop, 1 /* SOP */, eop, loopback);
137 static inline void enic_queue_rq_desc(struct vnic_rq *rq,
138 void *os_buf, unsigned int os_buf_index,
139 dma_addr_t dma_addr, unsigned int len)
141 struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
143 u8 type = os_buf_index ?
144 RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP;
146 rq_enet_desc_enc(desc,
147 (u64)dma_addr | VNIC_PADDR_TARGET,
150 vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid);
155 int enic_get_vnic_config(struct enic *);
156 int enic_add_vlan(struct enic *enic, u16 vlanid);
157 int enic_del_vlan(struct enic *enic, u16 vlanid);
158 int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type,
159 u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en,
160 u8 ig_vlan_strip_en);
161 int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len);
162 int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len);
163 void enic_get_res_counts(struct enic *enic);
164 void enic_init_vnic_resources(struct enic *enic);
165 int enic_alloc_vnic_resources(struct enic *);
166 void enic_free_vnic_resources(struct enic *);
168 #endif /* _ENIC_RES_H_ */