include/linux/qed/qed_fcoe_if.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _QED_FCOE_IF_H
   3 #define _QED_FCOE_IF_H
   4 #include <linux/types.h>
   5 #include <linux/qed/qed_if.h>
   6 struct qed_fcoe_stats {
   7         u64 fcoe_rx_byte_cnt;
   8         u64 fcoe_rx_data_pkt_cnt;
   9         u64 fcoe_rx_xfer_pkt_cnt;
  10         u64 fcoe_rx_other_pkt_cnt;
  11         u32 fcoe_silent_drop_pkt_cmdq_full_cnt;
  12         u32 fcoe_silent_drop_pkt_rq_full_cnt;
  13         u32 fcoe_silent_drop_pkt_crc_error_cnt;
  14         u32 fcoe_silent_drop_pkt_task_invalid_cnt;
  15         u32 fcoe_silent_drop_total_pkt_cnt;
  16
  17         u64 fcoe_tx_byte_cnt;
  18         u64 fcoe_tx_data_pkt_cnt;
  19         u64 fcoe_tx_xfer_pkt_cnt;
  20         u64 fcoe_tx_other_pkt_cnt;
  21 };
  22
  23 struct qed_dev_fcoe_info {
  24         struct qed_dev_info common;
  25
  26         void __iomem *primary_dbq_rq_addr;
  27         void __iomem *secondary_bdq_rq_addr;
  28
  29         u64 wwpn;
  30         u64 wwnn;
  31
  32         u8 num_cqs;
  33 };
  34
  35 struct qed_fcoe_params_offload {
  36         dma_addr_t sq_pbl_addr;
  37         dma_addr_t sq_curr_page_addr;
  38         dma_addr_t sq_next_page_addr;
  39
  40         u8 src_mac[ETH_ALEN];
  41         u8 dst_mac[ETH_ALEN];
  42
  43         u16 tx_max_fc_pay_len;
  44         u16 e_d_tov_timer_val;
  45         u16 rec_tov_timer_val;
  46         u16 rx_max_fc_pay_len;
  47         u16 vlan_tag;
  48
  49         struct fc_addr_nw s_id;
  50         u8 max_conc_seqs_c3;
  51         struct fc_addr_nw d_id;
  52         u8 flags;
  53         u8 def_q_idx;
  54 };
  55
  56 #define MAX_TID_BLOCKS_FCOE (512)
  57 struct qed_fcoe_tid {
  58         u32 size;               /* In bytes per task */
  59         u32 num_tids_per_block;
  60         u8 *blocks[MAX_TID_BLOCKS_FCOE];
  61 };
  62
  63 struct qed_fcoe_cb_ops {
  64         struct qed_common_cb_ops common;
  65          u32 (*get_login_failures)(void *cookie);
  66 };
  67
  68 void qed_fcoe_set_pf_params(struct qed_dev *cdev,
  69                             struct qed_fcoe_pf_params *params);
  70
  71 /**
  72  * struct qed_fcoe_ops - qed FCoE operations.
  73  * @common:             common operations pointer
  74  * @fill_dev_info:      fills FCoE specific information
  75  *                      @param cdev
  76  *                      @param info
  77  *                      @return 0 on sucesss, otherwise error value.
  78  * @register_ops:       register FCoE operations
  79  *                      @param cdev
  80  *                      @param ops - specified using qed_iscsi_cb_ops
  81  *                      @param cookie - driver private
  82  * @ll2:                light L2 operations pointer
  83  * @start:              fcoe in FW
  84  *                      @param cdev
  85  *                      @param tasks - qed will fill information about tasks
  86  *                      return 0 on success, otherwise error value.
  87  * @stop:               stops fcoe in FW
  88  *                      @param cdev
  89  *                      return 0 on success, otherwise error value.
  90  * @acquire_conn:       acquire a new fcoe connection
  91  *                      @param cdev
  92  *                      @param handle - qed will fill handle that should be
  93  *                              used henceforth as identifier of the
  94  *                              connection.
  95  *                      @param p_doorbell - qed will fill the address of the
  96  *                              doorbell.
  97  *                      return 0 on sucesss, otherwise error value.
  98  * @release_conn:       release a previously acquired fcoe connection
  99  *                      @param cdev
 100  *                      @param handle - the connection handle.
 101  *                      return 0 on success, otherwise error value.
 102  * @offload_conn:       configures an offloaded connection
 103  *                      @param cdev
 104  *                      @param handle - the connection handle.
 105  *                      @param conn_info - the configuration to use for the
 106  *                              offload.
 107  *                      return 0 on success, otherwise error value.
 108  * @destroy_conn:       stops an offloaded connection
 109  *                      @param cdev
 110  *                      @param handle - the connection handle.
 111  *                      @param terminate_params
 112  *                      return 0 on success, otherwise error value.
 113  * @get_stats:          gets FCoE related statistics
 114  *                      @param cdev
 115  *                      @param stats - pointer to struck that would be filled
 116  *                              we stats
 117  *                      return 0 on success, error otherwise.
 118  */
 119 struct qed_fcoe_ops {
 120         const struct qed_common_ops *common;
 121
 122         int (*fill_dev_info)(struct qed_dev *cdev,
 123                              struct qed_dev_fcoe_info *info);
 124
 125         void (*register_ops)(struct qed_dev *cdev,
 126                              struct qed_fcoe_cb_ops *ops, void *cookie);
 127
 128         const struct qed_ll2_ops *ll2;
 129
 130         int (*start)(struct qed_dev *cdev, struct qed_fcoe_tid *tasks);
 131
 132         int (*stop)(struct qed_dev *cdev);
 133
 134         int (*acquire_conn)(struct qed_dev *cdev,
 135                             u32 *handle,
 136                             u32 *fw_cid, void __iomem **p_doorbell);
 137
 138         int (*release_conn)(struct qed_dev *cdev, u32 handle);
 139
 140         int (*offload_conn)(struct qed_dev *cdev,
 141                             u32 handle,
 142                             struct qed_fcoe_params_offload *conn_info);
 143         int (*destroy_conn)(struct qed_dev *cdev,
 144                             u32 handle, dma_addr_t terminate_params);
 145
 146         int (*get_stats)(struct qed_dev *cdev, struct qed_fcoe_stats *stats);
 147 };
 148
 149 const struct qed_fcoe_ops *qed_get_fcoe_ops(void);
 150 void qed_put_fcoe_ops(void);
 151 #endif