xref: /dpdk/drivers/net/liquidio/lio_ethdev.h (revision 7483341a)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2017 Cavium, Inc
3  */
4 
5 #ifndef _LIO_ETHDEV_H_
6 #define _LIO_ETHDEV_H_
7 
8 #include <stdint.h>
9 
10 #include "lio_struct.h"
11 
12 /* timeout to check link state updates from firmware in us */
13 #define LIO_LSC_TIMEOUT		100000 /* 100000us (100ms) */
14 #define LIO_MAX_CMD_TIMEOUT     10000 /* 10000ms (10s) */
15 
16 /* The max frame size with default MTU */
17 #define LIO_ETH_MAX_LEN (RTE_ETHER_MTU + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN)
18 
19 #define LIO_DEV(_eth_dev)		((_eth_dev)->data->dev_private)
20 
21 /* LIO Response condition variable */
22 struct lio_dev_ctrl_cmd {
23 	struct rte_eth_dev *eth_dev;
24 	uint64_t cond;
25 };
26 
27 enum lio_bus_speed {
28 	LIO_LINK_SPEED_UNKNOWN  = 0,
29 	LIO_LINK_SPEED_10000    = 10000,
30 	LIO_LINK_SPEED_25000    = 25000
31 };
32 
33 struct octeon_if_cfg_info {
34 	uint64_t iqmask;	/** mask for IQs enabled for the port */
35 	uint64_t oqmask;	/** mask for OQs enabled for the port */
36 	struct octeon_link_info linfo; /** initial link information */
37 	char lio_firmware_version[LIO_FW_VERSION_LENGTH];
38 };
39 
40 /** Stats for each NIC port in RX direction. */
41 struct octeon_rx_stats {
42 	/* link-level stats */
43 	uint64_t total_rcvd;
44 	uint64_t bytes_rcvd;
45 	uint64_t total_bcst;
46 	uint64_t total_mcst;
47 	uint64_t runts;
48 	uint64_t ctl_rcvd;
49 	uint64_t fifo_err; /* Accounts for over/under-run of buffers */
50 	uint64_t dmac_drop;
51 	uint64_t fcs_err;
52 	uint64_t jabber_err;
53 	uint64_t l2_err;
54 	uint64_t frame_err;
55 
56 	/* firmware stats */
57 	uint64_t fw_total_rcvd;
58 	uint64_t fw_total_fwd;
59 	uint64_t fw_total_fwd_bytes;
60 	uint64_t fw_err_pko;
61 	uint64_t fw_err_link;
62 	uint64_t fw_err_drop;
63 	uint64_t fw_rx_vxlan;
64 	uint64_t fw_rx_vxlan_err;
65 
66 	/* LRO */
67 	uint64_t fw_lro_pkts;   /* Number of packets that are LROed */
68 	uint64_t fw_lro_octs;   /* Number of octets that are LROed */
69 	uint64_t fw_total_lro;  /* Number of LRO packets formed */
70 	uint64_t fw_lro_aborts; /* Number of times lRO of packet aborted */
71 	uint64_t fw_lro_aborts_port;
72 	uint64_t fw_lro_aborts_seq;
73 	uint64_t fw_lro_aborts_tsval;
74 	uint64_t fw_lro_aborts_timer;
75 	/* intrmod: packet forward rate */
76 	uint64_t fwd_rate;
77 };
78 
79 /** Stats for each NIC port in RX direction. */
80 struct octeon_tx_stats {
81 	/* link-level stats */
82 	uint64_t total_pkts_sent;
83 	uint64_t total_bytes_sent;
84 	uint64_t mcast_pkts_sent;
85 	uint64_t bcast_pkts_sent;
86 	uint64_t ctl_sent;
87 	uint64_t one_collision_sent;	/* Packets sent after one collision */
88 	/* Packets sent after multiple collision */
89 	uint64_t multi_collision_sent;
90 	/* Packets not sent due to max collisions */
91 	uint64_t max_collision_fail;
92 	/* Packets not sent due to max deferrals */
93 	uint64_t max_deferral_fail;
94 	/* Accounts for over/under-run of buffers */
95 	uint64_t fifo_err;
96 	uint64_t runts;
97 	uint64_t total_collisions; /* Total number of collisions detected */
98 
99 	/* firmware stats */
100 	uint64_t fw_total_sent;
101 	uint64_t fw_total_fwd;
102 	uint64_t fw_total_fwd_bytes;
103 	uint64_t fw_err_pko;
104 	uint64_t fw_err_link;
105 	uint64_t fw_err_drop;
106 	uint64_t fw_err_tso;
107 	uint64_t fw_tso;     /* number of tso requests */
108 	uint64_t fw_tso_fwd; /* number of packets segmented in tso */
109 	uint64_t fw_tx_vxlan;
110 };
111 
112 struct octeon_link_stats {
113 	struct octeon_rx_stats fromwire;
114 	struct octeon_tx_stats fromhost;
115 };
116 
117 union lio_if_cfg {
118 	uint64_t if_cfg64;
119 	struct {
120 #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
121 		uint64_t base_queue : 16;
122 		uint64_t num_iqueues : 16;
123 		uint64_t num_oqueues : 16;
124 		uint64_t gmx_port_id : 8;
125 		uint64_t vf_id : 8;
126 #else
127 		uint64_t vf_id : 8;
128 		uint64_t gmx_port_id : 8;
129 		uint64_t num_oqueues : 16;
130 		uint64_t num_iqueues : 16;
131 		uint64_t base_queue : 16;
132 #endif
133 	} s;
134 };
135 
136 struct lio_if_cfg_resp {
137 	uint64_t rh;
138 	struct octeon_if_cfg_info cfg_info;
139 	uint64_t status;
140 };
141 
142 struct lio_link_stats_resp {
143 	uint64_t rh;
144 	struct octeon_link_stats link_stats;
145 	uint64_t status;
146 };
147 
148 struct lio_link_status_resp {
149 	uint64_t rh;
150 	struct octeon_link_info link_info;
151 	uint64_t status;
152 };
153 
154 struct lio_rss_set {
155 	struct param {
156 #if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
157 		uint64_t flags : 16;
158 		uint64_t hashinfo : 32;
159 		uint64_t itablesize : 16;
160 		uint64_t hashkeysize : 16;
161 		uint64_t reserved : 48;
162 #elif RTE_BYTE_ORDER == RTE_BIG_ENDIAN
163 		uint64_t itablesize : 16;
164 		uint64_t hashinfo : 32;
165 		uint64_t flags : 16;
166 		uint64_t reserved : 48;
167 		uint64_t hashkeysize : 16;
168 #endif
169 	} param;
170 
171 	uint8_t itable[LIO_RSS_MAX_TABLE_SZ];
172 	uint8_t key[LIO_RSS_MAX_KEY_SZ];
173 };
174 
175 void lio_dev_rx_queue_release(struct rte_eth_dev *dev, uint16_t q_no);
176 
177 void lio_dev_tx_queue_release(struct rte_eth_dev *dev, uint16_t q_no);
178 
179 #endif	/* _LIO_ETHDEV_H_ */
180