diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma/puda.h')
| -rw-r--r-- | drivers/infiniband/hw/irdma/puda.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/irdma/puda.h b/drivers/infiniband/hw/irdma/puda.h new file mode 100644 index 000000000..5f5124db6 --- /dev/null +++ b/drivers/infiniband/hw/irdma/puda.h @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB */ +/* Copyright (c) 2015 - 2020 Intel Corporation */ +#ifndef IRDMA_PUDA_H +#define IRDMA_PUDA_H + +#define IRDMA_IEQ_MPA_FRAMING 6 +#define IRDMA_TCP_OFFSET 40 +#define IRDMA_IPV4_PAD 20 +#define IRDMA_MRK_BLK_SZ 512 + +enum puda_rsrc_type { + IRDMA_PUDA_RSRC_TYPE_ILQ = 1, + IRDMA_PUDA_RSRC_TYPE_IEQ, + IRDMA_PUDA_RSRC_TYPE_MAX, /* Must be last entry */ +}; + +enum puda_rsrc_complete { + PUDA_CQ_CREATED = 1, + PUDA_QP_CREATED, + PUDA_TX_COMPLETE, + PUDA_RX_COMPLETE, + PUDA_HASH_CRC_COMPLETE, +}; + +struct irdma_sc_dev; +struct irdma_sc_qp; +struct irdma_sc_cq; + +struct irdma_puda_cmpl_info { + struct irdma_qp_uk *qp; + u8 q_type; + u8 l3proto; + u8 l4proto; + u16 vlan; + u32 payload_len; + u32 compl_error; /* No_err=0, else major and minor err code */ + u32 qp_id; + u32 wqe_idx; + bool ipv4:1; + bool smac_valid:1; + bool vlan_valid:1; + u8 smac[ETH_ALEN]; +}; + +struct irdma_puda_send_info { + u64 paddr; /* Physical address */ + u32 len; + u32 ah_id; + u8 tcplen; + u8 maclen; + bool ipv4:1; + bool do_lpb:1; + void *scratch; +}; + +struct irdma_puda_buf { + struct list_head list; /* MUST be first entry */ + struct irdma_dma_mem mem; /* DMA memory for the buffer */ + struct irdma_puda_buf *next; /* for alloclist in rsrc struct */ + struct irdma_virt_mem buf_mem; /* Buffer memory for this buffer */ + void *scratch; + u8 *iph; + u8 *tcph; + u8 *data; + u16 datalen; + u16 vlan_id; + u8 tcphlen; /* tcp length in bytes */ + u8 maclen; /* mac length in bytes */ + u32 totallen; /* machlen+iphlen+tcphlen+datalen */ + refcount_t refcount; + u8 hdrlen; + bool ipv4:1; + bool vlan_valid:1; + bool do_lpb:1; /* Loopback buffer */ + bool smac_valid:1; + u32 seqnum; + u32 ah_id; + u8 smac[ETH_ALEN]; + struct irdma_sc_vsi *vsi; +}; + +struct irdma_puda_rsrc_info { + void (*receive)(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *buf); + void (*xmit_complete)(struct irdma_sc_vsi *vsi, void *sqwrid); + enum puda_rsrc_type type; /* ILQ or IEQ */ + u32 count; + u32 pd_id; + u32 cq_id; + u32 qp_id; + u32 sq_size; + u32 rq_size; + u32 tx_buf_cnt; /* total bufs allocated will be rq_size + tx_buf_cnt */ + u16 buf_size; + u8 stats_idx; + bool stats_idx_valid:1; + int abi_ver; +}; + +struct irdma_puda_rsrc { + struct irdma_sc_cq cq; + struct irdma_sc_qp qp; + struct irdma_sc_pd sc_pd; + struct irdma_sc_dev *dev; + struct irdma_sc_vsi *vsi; + struct irdma_dma_mem cqmem; + struct irdma_dma_mem qpmem; + struct irdma_virt_mem ilq_mem; + enum puda_rsrc_complete cmpl; + enum puda_rsrc_type type; + u16 buf_size; /*buf must be max datalen + tcpip hdr + mac */ + u32 cq_id; + u32 qp_id; + u32 sq_size; + u32 rq_size; + u32 cq_size; + struct irdma_sq_uk_wr_trk_info *sq_wrtrk_array; + u64 *rq_wrid_array; + u32 compl_rxwqe_idx; + u32 rx_wqe_idx; + u32 rxq_invalid_cnt; + u32 tx_wqe_avail_cnt; + struct shash_desc *hash_desc; + struct list_head txpend; + struct list_head bufpool; /* free buffers pool list for recv and xmit */ + u32 alloc_buf_count; + u32 avail_buf_count; /* snapshot of currently available buffers */ + spinlock_t bufpool_lock; + struct irdma_puda_buf *alloclist; + void (*receive)(struct irdma_sc_vsi *vsi, struct irdma_puda_buf *buf); + void (*xmit_complete)(struct irdma_sc_vsi *vsi, void *sqwrid); + /* puda stats */ + u64 stats_buf_alloc_fail; + u64 stats_pkt_rcvd; + u64 stats_pkt_sent; + u64 stats_rcvd_pkt_err; + u64 stats_sent_pkt_q; + u64 stats_bad_qp_id; + /* IEQ stats */ + u64 fpdu_processed; + u64 bad_seq_num; + u64 crc_err; + u64 pmode_count; + u64 partials_handled; + u8 stats_idx; + bool check_crc:1; + bool stats_idx_valid:1; +}; + +struct irdma_puda_buf *irdma_puda_get_bufpool(struct irdma_puda_rsrc *rsrc); +void irdma_puda_ret_bufpool(struct irdma_puda_rsrc *rsrc, + struct irdma_puda_buf *buf); +void irdma_puda_send_buf(struct irdma_puda_rsrc *rsrc, + struct irdma_puda_buf *buf); +int irdma_puda_send(struct irdma_sc_qp *qp, struct irdma_puda_send_info *info); +int irdma_puda_create_rsrc(struct irdma_sc_vsi *vsi, + struct irdma_puda_rsrc_info *info); +void irdma_puda_dele_rsrc(struct irdma_sc_vsi *vsi, enum puda_rsrc_type type, + bool reset); +int irdma_puda_poll_cmpl(struct irdma_sc_dev *dev, struct irdma_sc_cq *cq, + u32 *compl_err); + +struct irdma_sc_qp *irdma_ieq_get_qp(struct irdma_sc_dev *dev, + struct irdma_puda_buf *buf); +int irdma_puda_get_tcpip_info(struct irdma_puda_cmpl_info *info, + struct irdma_puda_buf *buf); +int irdma_ieq_check_mpacrc(struct shash_desc *desc, void *addr, u32 len, u32 val); +int irdma_init_hash_desc(struct shash_desc **desc); +void irdma_ieq_mpa_crc_ae(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp); +void irdma_free_hash_desc(struct shash_desc *desc); +void irdma_ieq_update_tcpip_info(struct irdma_puda_buf *buf, u16 len, u32 seqnum); +int irdma_cqp_qp_create_cmd(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp); +int irdma_cqp_cq_create_cmd(struct irdma_sc_dev *dev, struct irdma_sc_cq *cq); +int irdma_cqp_qp_destroy_cmd(struct irdma_sc_dev *dev, struct irdma_sc_qp *qp); +void irdma_cqp_cq_destroy_cmd(struct irdma_sc_dev *dev, struct irdma_sc_cq *cq); +void irdma_puda_ieq_get_ah_info(struct irdma_sc_qp *qp, + struct irdma_ah_info *ah_info); +int irdma_puda_create_ah(struct irdma_sc_dev *dev, + struct irdma_ah_info *ah_info, bool wait, + enum puda_rsrc_type type, void *cb_param, + struct irdma_sc_ah **ah); +void irdma_puda_free_ah(struct irdma_sc_dev *dev, struct irdma_sc_ah *ah); +void irdma_ieq_process_fpdus(struct irdma_sc_qp *qp, + struct irdma_puda_rsrc *ieq); +void irdma_ieq_cleanup_qp(struct irdma_puda_rsrc *ieq, struct irdma_sc_qp *qp); +#endif /*IRDMA_PROTOS_H */ |