1 /* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */
2 /* Copyright (c) 2015 - 2020 Intel Corporation */
6 #define IRDMA_IEQ_MPA_FRAMING 6
7 #define IRDMA_TCP_OFFSET 40
8 #define IRDMA_IPV4_PAD 20
9 #define IRDMA_MRK_BLK_SZ 512
12 IRDMA_PUDA_RSRC_TYPE_ILQ = 1,
13 IRDMA_PUDA_RSRC_TYPE_IEQ,
14 IRDMA_PUDA_RSRC_TYPE_MAX, /* Must be last entry */
17 enum puda_rsrc_complete {
22 PUDA_HASH_CRC_COMPLETE,
29 struct irdma_puda_cmpl_info {
30 struct irdma_qp_uk *qp;
36 u32 compl_error; /* No_err=0, else major and minor err code */
45 struct irdma_puda_send_info {
46 u64 paddr; /* Physical address */
56 struct irdma_puda_buf {
57 struct list_head list; /* MUST be first entry */
58 struct irdma_dma_mem mem; /* DMA memory for the buffer */
59 struct irdma_puda_buf *next; /* for alloclist in rsrc struct */
60 struct irdma_virt_mem buf_mem; /* Buffer memory for this buffer */
67 u8 tcphlen; /* tcp length in bytes */
68 u8 maclen; /* mac length in bytes */
69 u32 totallen; /* machlen+iphlen+tcphlen+datalen */
74 bool do_lpb:1; /* Loopback buffer */
79 struct irdma_sc_vsi *vsi;
82 struct irdma_puda_rsrc_info {
83 void (*receive)(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *buf);
84 void (*xmit_complete)(struct irdma_sc_vsi *vsi, void *sqwrid);
85 enum puda_rsrc_type type; /* ILQ or IEQ */
92 u32 tx_buf_cnt; /* total bufs allocated will be rq_size + tx_buf_cnt */
95 bool stats_idx_valid:1;
99 struct irdma_puda_rsrc {
100 struct irdma_sc_cq cq;
101 struct irdma_sc_qp qp;
102 struct irdma_sc_pd sc_pd;
103 struct irdma_sc_dev *dev;
104 struct irdma_sc_vsi *vsi;
105 struct irdma_dma_mem cqmem;
106 struct irdma_dma_mem qpmem;
107 struct irdma_virt_mem ilq_mem;
108 enum puda_rsrc_complete cmpl;
109 enum puda_rsrc_type type;
110 u16 buf_size; /*buf must be max datalen + tcpip hdr + mac */
116 struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array;
121 u32 tx_wqe_avail_cnt;
122 struct shash_desc *hash_desc;
123 struct list_head txpend;
124 struct list_head bufpool; /* free buffers pool list for recv and xmit */
126 u32 avail_buf_count; /* snapshot of currently available buffers */
127 spinlock_t bufpool_lock;
128 struct irdma_puda_buf *alloclist;
129 void (*receive)(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *buf);
130 void (*xmit_complete)(struct irdma_sc_vsi *vsi, void *sqwrid);
132 u64 stats_buf_alloc_fail;
135 u64 stats_rcvd_pkt_err;
136 u64 stats_sent_pkt_q;
143 u64 partials_handled;
146 bool stats_idx_valid:1;
149 struct irdma_puda_buf *irdma_puda_get_bufpool(struct irdma_puda_rsrc *rsrc);
150 void irdma_puda_ret_bufpool(struct irdma_puda_rsrc *rsrc,
151 struct irdma_puda_buf *buf);
152 void irdma_puda_send_buf(struct irdma_puda_rsrc *rsrc,
153 struct irdma_puda_buf *buf);
154 enum irdma_status_code irdma_puda_send(struct irdma_sc_qp *qp,
155 struct irdma_puda_send_info *info);
156 enum irdma_status_code
157 irdma_puda_create_rsrc(struct irdma_sc_vsi *vsi,
158 struct irdma_puda_rsrc_info *info);
159 void irdma_puda_dele_rsrc(struct irdma_sc_vsi *vsi, enum puda_rsrc_type type,
161 enum irdma_status_code irdma_puda_poll_cmpl(struct irdma_sc_dev *dev,
162 struct irdma_sc_cq *cq,
165 struct irdma_sc_qp *irdma_ieq_get_qp(struct irdma_sc_dev *dev,
166 struct irdma_puda_buf *buf);
167 enum irdma_status_code
168 irdma_puda_get_tcpip_info(struct irdma_puda_cmpl_info *info,
169 struct irdma_puda_buf *buf);
170 enum irdma_status_code irdma_ieq_check_mpacrc(struct shash_desc *desc,
171 void *addr, u32 len, u32 val);
172 enum irdma_status_code irdma_init_hash_desc(struct shash_desc **desc);
173 void irdma_ieq_mpa_crc_ae(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp);
174 void irdma_free_hash_desc(struct shash_desc *desc);
175 void irdma_ieq_update_tcpip_info(struct irdma_puda_buf *buf, u16 len,
177 enum irdma_status_code irdma_cqp_qp_create_cmd(struct irdma_sc_dev *dev,
178 struct irdma_sc_qp *qp);
179 enum irdma_status_code irdma_cqp_cq_create_cmd(struct irdma_sc_dev *dev,
180 struct irdma_sc_cq *cq);
181 enum irdma_status_code irdma_cqp_qp_destroy_cmd(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp);
182 void irdma_cqp_cq_destroy_cmd(struct irdma_sc_dev *dev, struct irdma_sc_cq *cq);
183 void irdma_puda_ieq_get_ah_info(struct irdma_sc_qp *qp,
184 struct irdma_ah_info *ah_info);
185 enum irdma_status_code irdma_puda_create_ah(struct irdma_sc_dev *dev,
186 struct irdma_ah_info *ah_info,
187 bool wait, enum puda_rsrc_type type,
189 struct irdma_sc_ah **ah);
190 void irdma_puda_free_ah(struct irdma_sc_dev *dev, struct irdma_sc_ah *ah);
191 void irdma_ieq_process_fpdus(struct irdma_sc_qp *qp,
192 struct irdma_puda_rsrc *ieq);
193 void irdma_ieq_cleanup_qp(struct irdma_puda_rsrc *ieq, struct irdma_sc_qp *qp);
194 #endif /*IRDMA_PROTOS_H */