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