xref: /dpdk/drivers/net/dpaa2/dpaa2_ethdev.h (revision daa02b5cddbb8e11b31d41e2bf7bb1ae64dcae2f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
4  *   Copyright 2016-2021 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 #include "dpaa2_tm.h"
16 
17 #include <mc/fsl_dpni.h>
18 #include <mc/fsl_mc_sys.h>
19 
20 #define DPAA2_MIN_RX_BUF_SIZE 512
21 #define DPAA2_MAX_RX_PKT_LEN  10240 /*WRIOP support*/
22 #define NET_DPAA2_PMD_DRIVER_NAME net_dpaa2
23 
24 #define MAX_TCS			DPNI_MAX_TC
25 #define MAX_RX_QUEUES		128
26 #define MAX_TX_QUEUES		16
27 #define MAX_DPNI		8
28 
29 #define DPAA2_RX_DEFAULT_NBDESC 512
30 
31 #define DPAA2_ETH_MAX_LEN (RTE_ETHER_MTU + \
32 			   RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + \
33 			   VLAN_TAG_SIZE)
34 
35 /*default tc to be used for ,congestion, distribution etc configuration. */
36 #define DPAA2_DEF_TC		0
37 
38 /* Threshold for a Tx queue to *Enter* Congestion state.
39  */
40 #define CONG_ENTER_TX_THRESHOLD   512
41 
42 /* Threshold for a queue to *Exit* Congestion state.
43  */
44 #define CONG_EXIT_TX_THRESHOLD    480
45 
46 #define CONG_RETRY_COUNT 18000
47 
48 /* RX queue tail drop threshold
49  * currently considering 64 KB packets
50  */
51 #define CONG_THRESHOLD_RX_BYTES_Q  (64 * 1024)
52 #define CONG_RX_OAL	128
53 
54 /* Size of the input SMMU mapped memory required by MC */
55 #define DIST_PARAM_IOVA_SIZE 256
56 
57 /* Enable TX Congestion control support
58  * default is disable
59  */
60 #define DPAA2_TX_CGR_OFF	0x01
61 
62 /* Disable RX tail drop, default is enable */
63 #define DPAA2_RX_TAILDROP_OFF	0x04
64 /* Tx confirmation enabled */
65 #define DPAA2_TX_CONF_ENABLE	0x08
66 
67 #define DPAA2_RSS_OFFLOAD_ALL ( \
68 	RTE_ETH_RSS_L2_PAYLOAD | \
69 	RTE_ETH_RSS_IP | \
70 	RTE_ETH_RSS_UDP | \
71 	RTE_ETH_RSS_TCP | \
72 	RTE_ETH_RSS_SCTP | \
73 	RTE_ETH_RSS_MPLS | \
74 	RTE_ETH_RSS_C_VLAN | \
75 	RTE_ETH_RSS_S_VLAN | \
76 	RTE_ETH_RSS_ESP | \
77 	RTE_ETH_RSS_AH | \
78 	RTE_ETH_RSS_PPPOE)
79 
80 /* LX2 FRC Parsed values (Little Endian) */
81 #define DPAA2_PKT_TYPE_ETHER		0x0060
82 #define DPAA2_PKT_TYPE_IPV4		0x0000
83 #define DPAA2_PKT_TYPE_IPV6		0x0020
84 #define DPAA2_PKT_TYPE_IPV4_EXT \
85 			(0x0001 | DPAA2_PKT_TYPE_IPV4)
86 #define DPAA2_PKT_TYPE_IPV6_EXT \
87 			(0x0001 | DPAA2_PKT_TYPE_IPV6)
88 #define DPAA2_PKT_TYPE_IPV4_TCP \
89 			(0x000e | DPAA2_PKT_TYPE_IPV4)
90 #define DPAA2_PKT_TYPE_IPV6_TCP \
91 			(0x000e | DPAA2_PKT_TYPE_IPV6)
92 #define DPAA2_PKT_TYPE_IPV4_UDP \
93 			(0x0010 | DPAA2_PKT_TYPE_IPV4)
94 #define DPAA2_PKT_TYPE_IPV6_UDP \
95 			(0x0010 | DPAA2_PKT_TYPE_IPV6)
96 #define DPAA2_PKT_TYPE_IPV4_SCTP	\
97 			(0x000f | DPAA2_PKT_TYPE_IPV4)
98 #define DPAA2_PKT_TYPE_IPV6_SCTP	\
99 			(0x000f | DPAA2_PKT_TYPE_IPV6)
100 #define DPAA2_PKT_TYPE_IPV4_ICMP \
101 			(0x0003 | DPAA2_PKT_TYPE_IPV4_EXT)
102 #define DPAA2_PKT_TYPE_IPV6_ICMP \
103 			(0x0003 | DPAA2_PKT_TYPE_IPV6_EXT)
104 #define DPAA2_PKT_TYPE_VLAN_1		0x0160
105 #define DPAA2_PKT_TYPE_VLAN_2		0x0260
106 
107 /* enable timestamp in mbuf*/
108 extern bool dpaa2_enable_ts[];
109 extern uint64_t dpaa2_timestamp_rx_dynflag;
110 extern int dpaa2_timestamp_dynfield_offset;
111 
112 #define DPAA2_QOS_TABLE_RECONFIGURE	1
113 #define DPAA2_FS_TABLE_RECONFIGURE	2
114 
115 #define DPAA2_QOS_TABLE_IPADDR_EXTRACT 4
116 #define DPAA2_FS_TABLE_IPADDR_EXTRACT 8
117 
118 #define DPAA2_FLOW_MAX_KEY_SIZE		16
119 
120 /*Externaly defined*/
121 extern const struct rte_flow_ops dpaa2_flow_ops;
122 
123 extern const struct rte_tm_ops dpaa2_tm_ops;
124 
125 extern bool dpaa2_enable_err_queue;
126 
127 #define IP_ADDRESS_OFFSET_INVALID (-1)
128 
129 struct dpaa2_key_info {
130 	uint8_t key_offset[DPKG_MAX_NUM_OF_EXTRACTS];
131 	uint8_t key_size[DPKG_MAX_NUM_OF_EXTRACTS];
132 	/* Special for IP address. */
133 	int ipv4_src_offset;
134 	int ipv4_dst_offset;
135 	int ipv6_src_offset;
136 	int ipv6_dst_offset;
137 	uint8_t key_total_size;
138 };
139 
140 struct dpaa2_key_extract {
141 	struct dpkg_profile_cfg dpkg;
142 	struct dpaa2_key_info key_info;
143 };
144 
145 struct extract_s {
146 	struct dpaa2_key_extract qos_key_extract;
147 	struct dpaa2_key_extract tc_key_extract[MAX_TCS];
148 	uint64_t qos_extract_param;
149 	uint64_t tc_extract_param[MAX_TCS];
150 };
151 
152 struct dpaa2_dev_priv {
153 	void *hw;
154 	int32_t hw_id;
155 	int32_t qdid;
156 	uint16_t token;
157 	uint8_t nb_tx_queues;
158 	uint8_t nb_rx_queues;
159 	uint32_t options;
160 	void *rx_vq[MAX_RX_QUEUES];
161 	void *tx_vq[MAX_TX_QUEUES];
162 	struct dpaa2_bp_list *bp_list; /**<Attached buffer pool list */
163 	void *tx_conf_vq[MAX_TX_QUEUES];
164 	void *rx_err_vq;
165 	uint8_t flags; /*dpaa2 config flags */
166 	uint8_t max_mac_filters;
167 	uint8_t max_vlan_filters;
168 	uint8_t num_rx_tc;
169 	uint16_t qos_entries;
170 	uint16_t fs_entries;
171 	uint8_t dist_queues;
172 	uint8_t en_ordered;
173 	uint8_t en_loose_ordered;
174 	uint8_t max_cgs;
175 	uint8_t cgid_in_use[MAX_RX_QUEUES];
176 
177 	struct extract_s extract;
178 
179 	uint16_t ss_offset;
180 	uint64_t ss_iova;
181 	uint64_t ss_param_iova;
182 	/*stores timestamp of last received packet on dev*/
183 	uint64_t rx_timestamp;
184 	/*stores timestamp of last received tx confirmation packet on dev*/
185 	uint64_t tx_timestamp;
186 	/* stores pointer to next tx_conf queue that should be processed,
187 	 * it corresponds to last packet transmitted
188 	 */
189 	struct dpaa2_queue *next_tx_conf_queue;
190 
191 	struct rte_eth_dev *eth_dev; /**< Pointer back to holding ethdev */
192 
193 	LIST_HEAD(, rte_flow) flows; /**< Configured flow rule handles. */
194 	LIST_HEAD(nodes, dpaa2_tm_node) nodes;
195 	LIST_HEAD(shaper_profiles, dpaa2_tm_shaper_profile) shaper_profiles;
196 };
197 
198 int dpaa2_distset_to_dpkg_profile_cfg(uint64_t req_dist_set,
199 				      struct dpkg_profile_cfg *kg_cfg);
200 
201 int dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
202 		uint64_t req_dist_set, int tc_index);
203 
204 int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
205 			   uint8_t tc_index);
206 
207 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
208 
209 __rte_internal
210 int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
211 		int eth_rx_queue_id,
212 		struct dpaa2_dpcon_dev *dpcon,
213 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
214 
215 __rte_internal
216 int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
217 		int eth_rx_queue_id);
218 
219 uint16_t dpaa2_dev_rx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
220 
221 uint16_t dpaa2_dev_loopback_rx(void *queue, struct rte_mbuf **bufs,
222 				uint16_t nb_pkts);
223 
224 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
225 			       uint16_t nb_pkts);
226 void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
227 				      const struct qbman_fd *fd,
228 				      const struct qbman_result *dq,
229 				      struct dpaa2_queue *rxq,
230 				      struct rte_event *ev);
231 void dpaa2_dev_process_atomic_event(struct qbman_swp *swp,
232 				    const struct qbman_fd *fd,
233 				    const struct qbman_result *dq,
234 				    struct dpaa2_queue *rxq,
235 				    struct rte_event *ev);
236 void dpaa2_dev_process_ordered_event(struct qbman_swp *swp,
237 				     const struct qbman_fd *fd,
238 				     const struct qbman_result *dq,
239 				     struct dpaa2_queue *rxq,
240 				     struct rte_event *ev);
241 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
242 uint16_t dpaa2_dev_tx_ordered(void *queue, struct rte_mbuf **bufs,
243 			      uint16_t nb_pkts);
244 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
245 void dpaa2_dev_free_eqresp_buf(uint16_t eqresp_ci);
246 void dpaa2_flow_clean(struct rte_eth_dev *dev);
247 uint16_t dpaa2_dev_tx_conf(void *queue)  __rte_unused;
248 int dpaa2_dev_is_dpaa2(struct rte_eth_dev *dev);
249 
250 int dpaa2_timesync_enable(struct rte_eth_dev *dev);
251 int dpaa2_timesync_disable(struct rte_eth_dev *dev);
252 int dpaa2_timesync_read_time(struct rte_eth_dev *dev,
253 					struct timespec *timestamp);
254 int dpaa2_timesync_write_time(struct rte_eth_dev *dev,
255 					const struct timespec *timestamp);
256 int dpaa2_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
257 int dpaa2_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
258 						struct timespec *timestamp,
259 						uint32_t flags __rte_unused);
260 int dpaa2_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
261 					  struct timespec *timestamp);
262 #endif /* _DPAA2_ETHDEV_H */
263