xref: /dpdk/drivers/net/dpaa2/dpaa2_ethdev.h (revision 8809f78c7dd9f33a44a4f89c58fc91ded34296ed)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
4  *   Copyright 2016-2020 NXP
5  *
6  */
7 
8 #ifndef _DPAA2_ETHDEV_H
9 #define _DPAA2_ETHDEV_H
10 
11 #include <rte_event_eth_rx_adapter.h>
12 #include <rte_pmd_dpaa2.h>
13 
14 #include <dpaa2_hw_pvt.h>
15 
16 #include <mc/fsl_dpni.h>
17 #include <mc/fsl_mc_sys.h>
18 
19 #define DPAA2_MIN_RX_BUF_SIZE 512
20 #define DPAA2_MAX_RX_PKT_LEN  10240 /*WRIOP support*/
21 
22 #define MAX_TCS			DPNI_MAX_TC
23 #define MAX_RX_QUEUES		128
24 #define MAX_TX_QUEUES		16
25 #define MAX_DPNI		8
26 
27 #define DPAA2_RX_DEFAULT_NBDESC 512
28 
29 /*default tc to be used for ,congestion, distribution etc configuration. */
30 #define DPAA2_DEF_TC		0
31 
32 /* Threshold for a Tx queue to *Enter* Congestion state.
33  */
34 #define CONG_ENTER_TX_THRESHOLD   512
35 
36 /* Threshold for a queue to *Exit* Congestion state.
37  */
38 #define CONG_EXIT_TX_THRESHOLD    480
39 
40 #define CONG_RETRY_COUNT 18000
41 
42 /* RX queue tail drop threshold
43  * currently considering 64 KB packets
44  */
45 #define CONG_THRESHOLD_RX_BYTES_Q  (64 * 1024)
46 #define CONG_RX_OAL	128
47 
48 /* Size of the input SMMU mapped memory required by MC */
49 #define DIST_PARAM_IOVA_SIZE 256
50 
51 /* Enable TX Congestion control support
52  * default is disable
53  */
54 #define DPAA2_TX_CGR_OFF	0x01
55 
56 /* Disable RX tail drop, default is enable */
57 #define DPAA2_RX_TAILDROP_OFF	0x04
58 
59 #define DPAA2_RSS_OFFLOAD_ALL ( \
60 	ETH_RSS_L2_PAYLOAD | \
61 	ETH_RSS_IP | \
62 	ETH_RSS_UDP | \
63 	ETH_RSS_TCP | \
64 	ETH_RSS_SCTP)
65 
66 /* LX2 FRC Parsed values (Little Endian) */
67 #define DPAA2_PKT_TYPE_ETHER		0x0060
68 #define DPAA2_PKT_TYPE_IPV4		0x0000
69 #define DPAA2_PKT_TYPE_IPV6		0x0020
70 #define DPAA2_PKT_TYPE_IPV4_EXT \
71 			(0x0001 | DPAA2_PKT_TYPE_IPV4)
72 #define DPAA2_PKT_TYPE_IPV6_EXT \
73 			(0x0001 | DPAA2_PKT_TYPE_IPV6)
74 #define DPAA2_PKT_TYPE_IPV4_TCP \
75 			(0x000e | DPAA2_PKT_TYPE_IPV4)
76 #define DPAA2_PKT_TYPE_IPV6_TCP \
77 			(0x000e | DPAA2_PKT_TYPE_IPV6)
78 #define DPAA2_PKT_TYPE_IPV4_UDP \
79 			(0x0010 | DPAA2_PKT_TYPE_IPV4)
80 #define DPAA2_PKT_TYPE_IPV6_UDP \
81 			(0x0010 | DPAA2_PKT_TYPE_IPV6)
82 #define DPAA2_PKT_TYPE_IPV4_SCTP	\
83 			(0x000f | DPAA2_PKT_TYPE_IPV4)
84 #define DPAA2_PKT_TYPE_IPV6_SCTP	\
85 			(0x000f | DPAA2_PKT_TYPE_IPV6)
86 #define DPAA2_PKT_TYPE_IPV4_ICMP \
87 			(0x0003 | DPAA2_PKT_TYPE_IPV4_EXT)
88 #define DPAA2_PKT_TYPE_IPV6_ICMP \
89 			(0x0003 | DPAA2_PKT_TYPE_IPV6_EXT)
90 #define DPAA2_PKT_TYPE_VLAN_1		0x0160
91 #define DPAA2_PKT_TYPE_VLAN_2		0x0260
92 
93 /* enable timestamp in mbuf*/
94 extern bool dpaa2_enable_ts[];
95 extern uint64_t dpaa2_timestamp_rx_dynflag;
96 extern int dpaa2_timestamp_dynfield_offset;
97 
98 #define DPAA2_QOS_TABLE_RECONFIGURE	1
99 #define DPAA2_FS_TABLE_RECONFIGURE	2
100 
101 #define DPAA2_QOS_TABLE_IPADDR_EXTRACT 4
102 #define DPAA2_FS_TABLE_IPADDR_EXTRACT 8
103 
104 #define DPAA2_FLOW_MAX_KEY_SIZE		16
105 
106 /*Externaly defined*/
107 extern const struct rte_flow_ops dpaa2_flow_ops;
108 extern enum rte_filter_type dpaa2_filter_type;
109 
110 #define IP_ADDRESS_OFFSET_INVALID (-1)
111 
112 struct dpaa2_key_info {
113 	uint8_t key_offset[DPKG_MAX_NUM_OF_EXTRACTS];
114 	uint8_t key_size[DPKG_MAX_NUM_OF_EXTRACTS];
115 	/* Special for IP address. */
116 	int ipv4_src_offset;
117 	int ipv4_dst_offset;
118 	int ipv6_src_offset;
119 	int ipv6_dst_offset;
120 	uint8_t key_total_size;
121 };
122 
123 struct dpaa2_key_extract {
124 	struct dpkg_profile_cfg dpkg;
125 	struct dpaa2_key_info key_info;
126 };
127 
128 struct extract_s {
129 	struct dpaa2_key_extract qos_key_extract;
130 	struct dpaa2_key_extract tc_key_extract[MAX_TCS];
131 	uint64_t qos_extract_param;
132 	uint64_t tc_extract_param[MAX_TCS];
133 };
134 
135 struct dpaa2_dev_priv {
136 	void *hw;
137 	int32_t hw_id;
138 	int32_t qdid;
139 	uint16_t token;
140 	uint8_t nb_tx_queues;
141 	uint8_t nb_rx_queues;
142 	uint32_t options;
143 	void *rx_vq[MAX_RX_QUEUES];
144 	void *tx_vq[MAX_TX_QUEUES];
145 	struct dpaa2_bp_list *bp_list; /**<Attached buffer pool list */
146 	void *tx_conf_vq[MAX_TX_QUEUES];
147 	uint8_t tx_conf_en;
148 	uint8_t max_mac_filters;
149 	uint8_t max_vlan_filters;
150 	uint8_t num_rx_tc;
151 	uint16_t qos_entries;
152 	uint16_t fs_entries;
153 	uint8_t dist_queues;
154 	uint8_t flags; /*dpaa2 config flags */
155 	uint8_t en_ordered;
156 	uint8_t en_loose_ordered;
157 	uint8_t max_cgs;
158 	uint8_t cgid_in_use[MAX_RX_QUEUES];
159 
160 	struct extract_s extract;
161 
162 	uint16_t ss_offset;
163 	uint64_t ss_iova;
164 	uint64_t ss_param_iova;
165 	/*stores timestamp of last received packet on dev*/
166 	uint64_t rx_timestamp;
167 	/*stores timestamp of last received tx confirmation packet on dev*/
168 	uint64_t tx_timestamp;
169 	/* stores pointer to next tx_conf queue that should be processed,
170 	 * it corresponds to last packet transmitted
171 	 */
172 	struct dpaa2_queue *next_tx_conf_queue;
173 
174 	struct rte_eth_dev *eth_dev; /**< Pointer back to holding ethdev */
175 
176 	LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */
177 };
178 
179 int dpaa2_distset_to_dpkg_profile_cfg(uint64_t req_dist_set,
180 				      struct dpkg_profile_cfg *kg_cfg);
181 
182 int dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
183 		uint64_t req_dist_set, int tc_index);
184 
185 int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
186 			   uint8_t tc_index);
187 
188 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
189 
190 __rte_internal
191 int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
192 		int eth_rx_queue_id,
193 		struct dpaa2_dpcon_dev *dpcon,
194 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
195 
196 __rte_internal
197 int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
198 		int eth_rx_queue_id);
199 
200 uint16_t dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
201 
202 uint16_t dpaa2_dev_loopback_rx(void *queue, struct rte_mbuf **bufs,
203 				uint16_t nb_pkts);
204 
205 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
206 			       uint16_t nb_pkts);
207 void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
208 				      const struct qbman_fd *fd,
209 				      const struct qbman_result *dq,
210 				      struct dpaa2_queue *rxq,
211 				      struct rte_event *ev);
212 void dpaa2_dev_process_atomic_event(struct qbman_swp *swp,
213 				    const struct qbman_fd *fd,
214 				    const struct qbman_result *dq,
215 				    struct dpaa2_queue *rxq,
216 				    struct rte_event *ev);
217 void dpaa2_dev_process_ordered_event(struct qbman_swp *swp,
218 				     const struct qbman_fd *fd,
219 				     const struct qbman_result *dq,
220 				     struct dpaa2_queue *rxq,
221 				     struct rte_event *ev);
222 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
223 uint16_t dpaa2_dev_tx_ordered(void *queue, struct rte_mbuf **bufs,
224 			      uint16_t nb_pkts);
225 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
226 void dpaa2_dev_free_eqresp_buf(uint16_t eqresp_ci);
227 void dpaa2_flow_clean(struct rte_eth_dev *dev);
228 uint16_t dpaa2_dev_tx_conf(void *queue)  __rte_unused;
229 
230 int dpaa2_timesync_enable(struct rte_eth_dev *dev);
231 int dpaa2_timesync_disable(struct rte_eth_dev *dev);
232 int dpaa2_timesync_read_time(struct rte_eth_dev *dev,
233 					struct timespec *timestamp);
234 int dpaa2_timesync_write_time(struct rte_eth_dev *dev,
235 					const struct timespec *timestamp);
236 int dpaa2_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
237 int dpaa2_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
238 						struct timespec *timestamp,
239 						uint32_t flags __rte_unused);
240 int dpaa2_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
241 					  struct timespec *timestamp);
242 #endif /* _DPAA2_ETHDEV_H */
243