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32#ifndef _QED_IWARP_H
33#define _QED_IWARP_H
34
35enum qed_iwarp_qp_state {
36 QED_IWARP_QP_STATE_IDLE,
37 QED_IWARP_QP_STATE_RTS,
38 QED_IWARP_QP_STATE_TERMINATE,
39 QED_IWARP_QP_STATE_CLOSING,
40 QED_IWARP_QP_STATE_ERROR,
41};
42
43enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state);
44
45#define QED_IWARP_PREALLOC_CNT (256)
46
47#define QED_IWARP_LL2_SYN_TX_SIZE (128)
48#define QED_IWARP_LL2_SYN_RX_SIZE (256)
49#define QED_IWARP_MAX_SYN_PKT_SIZE (128)
50
51#define QED_IWARP_LL2_OOO_DEF_TX_SIZE (256)
52#define QED_IWARP_MAX_OOO (16)
53#define QED_IWARP_LL2_OOO_MAX_RX_SIZE (16384)
54
55#define QED_IWARP_HANDLE_INVAL (0xff)
56
57struct qed_iwarp_ll2_buff {
58 struct qed_iwarp_ll2_buff *piggy_buf;
59 void *data;
60 dma_addr_t data_phys_addr;
61 u32 buff_size;
62};
63
64struct qed_iwarp_ll2_mpa_buf {
65 struct list_head list_entry;
66 struct qed_iwarp_ll2_buff *ll2_buf;
67 struct unaligned_opaque_data data;
68 u16 tcp_payload_len;
69 u8 placement_offset;
70};
71
72
73
74
75
76#define QED_IWARP_INVALID_INCOMPLETE_BYTES 0xffff
77
78struct qed_iwarp_fpdu {
79 struct qed_iwarp_ll2_buff *mpa_buf;
80 void *mpa_frag_virt;
81 dma_addr_t mpa_frag;
82 dma_addr_t pkt_hdr;
83 u16 mpa_frag_len;
84 u16 fpdu_length;
85 u16 incomplete_bytes;
86 u8 pkt_hdr_size;
87};
88
89struct qed_iwarp_info {
90 struct list_head listen_list;
91 struct list_head ep_list;
92 struct list_head ep_free_list;
93 struct list_head mpa_buf_list;
94 struct list_head mpa_buf_pending_list;
95 spinlock_t iw_lock;
96 spinlock_t qp_lock;
97 u32 rcv_wnd_scale;
98 u16 rcv_wnd_size;
99 u16 max_mtu;
100 u8 mac_addr[ETH_ALEN];
101 u8 crc_needed;
102 u8 tcp_flags;
103 u8 ll2_syn_handle;
104 u8 ll2_ooo_handle;
105 u8 ll2_mpa_handle;
106 u8 peer2peer;
107 enum mpa_negotiation_mode mpa_rev;
108 enum mpa_rtr_type rtr_type;
109 struct qed_iwarp_fpdu *partial_fpdus;
110 struct qed_iwarp_ll2_mpa_buf *mpa_bufs;
111 u8 *mpa_intermediate_buf;
112 u16 max_num_partial_fpdus;
113};
114
115enum qed_iwarp_ep_state {
116 QED_IWARP_EP_INIT,
117 QED_IWARP_EP_MPA_REQ_RCVD,
118 QED_IWARP_EP_MPA_OFFLOADED,
119 QED_IWARP_EP_ESTABLISHED,
120 QED_IWARP_EP_CLOSED
121};
122
123union async_output {
124 struct iwarp_eqe_data_mpa_async_completion mpa_response;
125 struct iwarp_eqe_data_tcp_async_completion mpa_request;
126};
127
128#define QED_MAX_PRIV_DATA_LEN (512)
129struct qed_iwarp_ep_memory {
130 u8 in_pdata[QED_MAX_PRIV_DATA_LEN];
131 u8 out_pdata[QED_MAX_PRIV_DATA_LEN];
132 union async_output async_output;
133};
134
135
136
137
138struct qed_iwarp_ep {
139 struct list_head list_entry;
140 struct qed_rdma_qp *qp;
141 struct qed_iwarp_ep_memory *ep_buffer_virt;
142 dma_addr_t ep_buffer_phys;
143 enum qed_iwarp_ep_state state;
144 int sig;
145 struct qed_iwarp_cm_info cm_info;
146 enum tcp_connect_mode connect_mode;
147 enum mpa_rtr_type rtr_type;
148 enum mpa_negotiation_mode mpa_rev;
149 u32 tcp_cid;
150 u32 cid;
151 u16 mss;
152 u8 remote_mac_addr[6];
153 u8 local_mac_addr[6];
154 bool mpa_reply_processed;
155
156
157 u16 syn_ip_payload_length;
158 struct qed_iwarp_ll2_buff *syn;
159 dma_addr_t syn_phy_addr;
160
161
162
163
164
165
166 iwarp_event_handler event_cb;
167 void *cb_context;
168};
169
170struct qed_iwarp_listener {
171 struct list_head list_entry;
172
173
174
175
176 iwarp_event_handler event_cb;
177 void *cb_context;
178 u32 max_backlog;
179 u32 ip_addr[4];
180 u16 port;
181 u16 vlan;
182 u8 ip_version;
183};
184
185int qed_iwarp_alloc(struct qed_hwfn *p_hwfn);
186
187int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
188 struct qed_rdma_start_in_params *params);
189
190void qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn,
191 struct iwarp_init_func_ramrod_data *p_ramrod);
192
193int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
194
195void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);
196
197void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn);
198
199void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
200
201int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
202 struct qed_rdma_qp *qp,
203 struct qed_rdma_create_qp_out_params *out_params);
204
205int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp,
206 enum qed_iwarp_qp_state new_state, bool internal);
207
208int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
209
210int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
211
212void qed_iwarp_query_qp(struct qed_rdma_qp *qp,
213 struct qed_rdma_query_qp_out_params *out_params);
214
215int
216qed_iwarp_connect(void *rdma_cxt,
217 struct qed_iwarp_connect_in *iparams,
218 struct qed_iwarp_connect_out *oparams);
219
220int
221qed_iwarp_create_listen(void *rdma_cxt,
222 struct qed_iwarp_listen_in *iparams,
223 struct qed_iwarp_listen_out *oparams);
224
225int qed_iwarp_accept(void *rdma_cxt, struct qed_iwarp_accept_in *iparams);
226
227int qed_iwarp_reject(void *rdma_cxt, struct qed_iwarp_reject_in *iparams);
228int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle);
229
230int qed_iwarp_send_rtr(void *rdma_cxt, struct qed_iwarp_send_rtr_in *iparams);
231
232#endif
233