1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and /or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _QED_IWARP_H
#define _QED_IWARP_H
enum qed_iwarp_qp_state {
QED_IWARP_QP_STATE_IDLE,
QED_IWARP_QP_STATE_RTS,
QED_IWARP_QP_STATE_TERMINATE,
QED_IWARP_QP_STATE_CLOSING,
QED_IWARP_QP_STATE_ERROR,
};
enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state);
#define QED_IWARP_LL2_SYN_TX_SIZE (128)
#define QED_IWARP_LL2_SYN_RX_SIZE (256)
#define QED_IWARP_MAX_SYN_PKT_SIZE (128)
#define QED_IWARP_HANDLE_INVAL (0xff)
struct qed_iwarp_ll2_buff {
void *data;
dma_addr_t data_phys_addr;
u32 buff_size;
};
struct qed_iwarp_info {
spinlock_t iw_lock; /* for iwarp resources */
spinlock_t qp_lock; /* for teardown races */
u32 rcv_wnd_scale;
u16 max_mtu;
u8 mac_addr[ETH_ALEN];
u8 crc_needed;
u8 tcp_flags;
u8 ll2_syn_handle;
u8 peer2peer;
enum mpa_negotiation_mode mpa_rev;
enum mpa_rtr_type rtr_type;
};
int qed_iwarp_alloc(struct qed_hwfn *p_hwfn);
int qed_iwarp_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
struct qed_rdma_start_in_params *params);
int qed_iwarp_stop(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);
void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn);
void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
struct qed_rdma_qp *qp,
struct qed_rdma_create_qp_out_params *out_params);
int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp,
enum qed_iwarp_qp_state new_state, bool internal);
int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
void qed_iwarp_query_qp(struct qed_rdma_qp *qp,
struct qed_rdma_query_qp_out_params *out_params);
#endif
|
