1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4 
5 #ifndef _ETH_BOND_PRIVATE_H_
6 #define _ETH_BOND_PRIVATE_H_
7 
8 #include <stdint.h>
9 #include <sys/queue.h>
10 
11 #include <rte_ethdev_driver.h>
12 #include <rte_flow.h>
13 #include <rte_spinlock.h>
14 #include <rte_bitmap.h>
15 #include <rte_flow_driver.h>
16 
17 #include "rte_eth_bond.h"
18 #include "eth_bond_8023ad_private.h"
19 #include "rte_eth_bond_alb.h"
20 
21 #define PMD_BOND_SLAVE_PORT_KVARG			("slave")
22 #define PMD_BOND_PRIMARY_SLAVE_KVARG		("primary")
23 #define PMD_BOND_MODE_KVARG					("mode")
24 #define PMD_BOND_AGG_MODE_KVARG				("agg_mode")
25 #define PMD_BOND_XMIT_POLICY_KVARG			("xmit_policy")
26 #define PMD_BOND_SOCKET_ID_KVARG			("socket_id")
27 #define PMD_BOND_MAC_ADDR_KVARG				("mac")
28 #define PMD_BOND_LSC_POLL_PERIOD_KVARG		("lsc_poll_period_ms")
29 #define PMD_BOND_LINK_UP_PROP_DELAY_KVARG	("up_delay")
30 #define PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG	("down_delay")
31 
32 #define PMD_BOND_XMIT_POLICY_LAYER2_KVARG	("l2")
33 #define PMD_BOND_XMIT_POLICY_LAYER23_KVARG	("l23")
34 #define PMD_BOND_XMIT_POLICY_LAYER34_KVARG	("l34")
35 
36 extern int bond_logtype;
37 
38 #define RTE_BOND_LOG(lvl, msg, ...)		\
39 	rte_log(RTE_LOG_ ## lvl, bond_logtype, \
40 		"%s(%d) - " msg "\n", __func__, __LINE__, ##__VA_ARGS__)
41 
42 #define BONDING_MODE_INVALID 0xFF
43 
44 extern const char *pmd_bond_init_valid_arguments[];
45 
46 extern struct rte_vdev_driver pmd_bond_drv;
47 
48 extern const struct rte_flow_ops bond_flow_ops;
49 
50 /** Port Queue Mapping Structure */
51 struct bond_rx_queue {
52 	uint16_t queue_id;
53 	/**< Next active_slave to poll */
54 	uint16_t active_slave;
55 	/**< Queue Id */
56 	struct bond_dev_private *dev_private;
57 	/**< Reference to eth_dev private structure */
58 	uint16_t nb_rx_desc;
59 	/**< Number of RX descriptors available for the queue */
60 	struct rte_eth_rxconf rx_conf;
61 	/**< Copy of RX configuration structure for queue */
62 	struct rte_mempool *mb_pool;
63 	/**< Reference to mbuf pool to use for RX queue */
64 };
65 
66 struct bond_tx_queue {
67 	uint16_t queue_id;
68 	/**< Queue Id */
69 	struct bond_dev_private *dev_private;
70 	/**< Reference to dev private structure */
71 	uint16_t nb_tx_desc;
72 	/**< Number of TX descriptors available for the queue */
73 	struct rte_eth_txconf tx_conf;
74 	/**< Copy of TX configuration structure for queue */
75 };
76 
77 /** Bonded slave devices structure */
78 struct bond_ethdev_slave_ports {
79 	uint16_t slaves[RTE_MAX_ETHPORTS];	/**< Slave port id array */
80 	uint16_t slave_count;				/**< Number of slaves */
81 };
82 
83 struct bond_slave_details {
84 	uint16_t port_id;
85 
86 	uint8_t link_status_poll_enabled;
87 	uint8_t link_status_wait_to_complete;
88 	uint8_t last_link_status;
89 	/**< Port Id of slave eth_dev */
90 	struct rte_ether_addr persisted_mac_addr;
91 
92 	uint16_t reta_size;
93 };
94 
95 struct rte_flow {
96 	TAILQ_ENTRY(rte_flow) next;
97 	/* Slaves flows */
98 	struct rte_flow *flows[RTE_MAX_ETHPORTS];
99 	/* Flow description for synchronization */
100 	struct rte_flow_conv_rule rule;
101 	uint8_t rule_data[];
102 };
103 
104 typedef void (*burst_xmit_hash_t)(struct rte_mbuf **buf, uint16_t nb_pkts,
105 		uint16_t slave_count, uint16_t *slaves);
106 
107 /** Link Bonding PMD device private configuration Structure */
108 struct bond_dev_private {
109 	uint16_t port_id;			/**< Port Id of Bonded Port */
110 	uint8_t mode;						/**< Link Bonding Mode */
111 
112 	rte_spinlock_t lock;
113 	rte_spinlock_t lsc_lock;
114 
115 	uint16_t primary_port;			/**< Primary Slave Port */
116 	uint16_t current_primary_port;		/**< Primary Slave Port */
117 	uint16_t user_defined_primary_port;
118 	/**< Flag for whether primary port is user defined or not */
119 
120 	uint8_t balance_xmit_policy;
121 	/**< Transmit policy - l2 / l23 / l34 for operation in balance mode */
122 	burst_xmit_hash_t burst_xmit_hash;
123 	/**< Transmit policy hash function */
124 
125 	uint8_t user_defined_mac;
126 	/**< Flag for whether MAC address is user defined or not */
127 
128 	uint8_t link_status_polling_enabled;
129 	uint32_t link_status_polling_interval_ms;
130 
131 	uint32_t link_down_delay_ms;
132 	uint32_t link_up_delay_ms;
133 
134 	uint16_t nb_rx_queues;			/**< Total number of rx queues */
135 	uint16_t nb_tx_queues;			/**< Total number of tx queues*/
136 
137 	uint16_t active_slave_count;		/**< Number of active slaves */
138 	uint16_t active_slaves[RTE_MAX_ETHPORTS];    /**< Active slave list */
139 
140 	uint16_t slave_count;			/**< Number of bonded slaves */
141 	struct bond_slave_details slaves[RTE_MAX_ETHPORTS];
142 	/**< Arary of bonded slaves details */
143 
144 	struct mode8023ad_private mode4;
145 	uint16_t tlb_slaves_order[RTE_MAX_ETHPORTS];
146 	/**< TLB active slaves send order */
147 	struct mode_alb_private mode6;
148 
149 	uint64_t rx_offload_capa;       /** Rx offload capability */
150 	uint64_t tx_offload_capa;       /** Tx offload capability */
151 	uint64_t rx_queue_offload_capa; /** per queue Rx offload capability */
152 	uint64_t tx_queue_offload_capa; /** per queue Tx offload capability */
153 
154 	/**< List of the configured flows */
155 	TAILQ_HEAD(sub_flows, rte_flow) flow_list;
156 
157 	/**< Flow isolation state */
158 	int flow_isolated;
159 	int flow_isolated_valid;
160 
161 	/** Bit mask of RSS offloads, the bit offset also means flow type */
162 	uint64_t flow_type_rss_offloads;
163 
164 	struct rte_eth_rxconf default_rxconf;	/**< Default RxQ conf. */
165 	struct rte_eth_txconf default_txconf;	/**< Default TxQ conf. */
166 	struct rte_eth_desc_lim rx_desc_lim;	/**< Rx descriptor limits */
167 	struct rte_eth_desc_lim tx_desc_lim;	/**< Tx descriptor limits */
168 
169 	uint16_t reta_size;
170 	struct rte_eth_rss_reta_entry64 reta_conf[ETH_RSS_RETA_SIZE_512 /
171 			RTE_RETA_GROUP_SIZE];
172 
173 	uint8_t rss_key[52];				/**< 52-byte hash key buffer. */
174 	uint8_t rss_key_len;				/**< hash key length in bytes. */
175 
176 	struct rte_kvargs *kvlist;
177 	uint8_t slave_update_idx;
178 
179 	uint32_t candidate_max_rx_pktlen;
180 	uint32_t max_rx_pktlen;
181 
182 	void *vlan_filter_bmpmem;		/* enabled vlan filter bitmap */
183 	struct rte_bitmap *vlan_filter_bmp;
184 };
185 
186 extern const struct eth_dev_ops default_dev_ops;
187 
188 int
189 check_for_master_bonded_ethdev(const struct rte_eth_dev *eth_dev);
190 
191 int
192 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev);
193 
194 /* Search given slave array to find position of given id.
195  * Return slave pos or slaves_count if not found. */
196 static inline uint16_t
find_slave_by_id(uint16_t * slaves,uint16_t slaves_count,uint16_t slave_id)197 find_slave_by_id(uint16_t *slaves, uint16_t slaves_count, uint16_t slave_id) {
198 
199 	uint16_t pos;
200 	for (pos = 0; pos < slaves_count; pos++) {
201 		if (slave_id == slaves[pos])
202 			break;
203 	}
204 
205 	return pos;
206 }
207 
208 int
209 valid_port_id(uint16_t port_id);
210 
211 int
212 valid_bonded_port_id(uint16_t port_id);
213 
214 int
215 valid_slave_port_id(uint16_t port_id, uint8_t mode);
216 
217 void
218 deactivate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id);
219 
220 void
221 activate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id);
222 
223 int
224 mac_address_set(struct rte_eth_dev *eth_dev,
225 		struct rte_ether_addr *new_mac_addr);
226 
227 int
228 mac_address_get(struct rte_eth_dev *eth_dev,
229 		struct rte_ether_addr *dst_mac_addr);
230 
231 int
232 mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev);
233 
234 int
235 slave_add_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
236 		uint16_t slave_port_id);
237 
238 int
239 slave_remove_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
240 		uint16_t slave_port_id);
241 
242 int
243 bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode);
244 
245 int
246 slave_configure(struct rte_eth_dev *bonded_eth_dev,
247 		struct rte_eth_dev *slave_eth_dev);
248 
249 void
250 slave_remove(struct bond_dev_private *internals,
251 		struct rte_eth_dev *slave_eth_dev);
252 
253 void
254 slave_add(struct bond_dev_private *internals,
255 		struct rte_eth_dev *slave_eth_dev);
256 
257 void
258 burst_xmit_l2_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
259 		uint16_t slave_count, uint16_t *slaves);
260 
261 void
262 burst_xmit_l23_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
263 		uint16_t slave_count, uint16_t *slaves);
264 
265 void
266 burst_xmit_l34_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
267 		uint16_t slave_count, uint16_t *slaves);
268 
269 
270 void
271 bond_ethdev_primary_set(struct bond_dev_private *internals,
272 		uint16_t slave_port_id);
273 
274 int
275 bond_ethdev_lsc_event_callback(uint16_t port_id, enum rte_eth_event_type type,
276 		void *param, void *ret_param);
277 
278 int
279 bond_ethdev_parse_slave_port_kvarg(const char *key,
280 		const char *value, void *extra_args);
281 
282 int
283 bond_ethdev_parse_slave_mode_kvarg(const char *key,
284 		const char *value, void *extra_args);
285 
286 int
287 bond_ethdev_parse_slave_agg_mode_kvarg(const char *key __rte_unused,
288 		const char *value, void *extra_args);
289 
290 int
291 bond_ethdev_parse_socket_id_kvarg(const char *key,
292 		const char *value, void *extra_args);
293 
294 int
295 bond_ethdev_parse_primary_slave_port_id_kvarg(const char *key,
296 		const char *value, void *extra_args);
297 
298 int
299 bond_ethdev_parse_balance_xmit_policy_kvarg(const char *key,
300 		const char *value, void *extra_args);
301 
302 int
303 bond_ethdev_parse_bond_mac_addr_kvarg(const char *key,
304 		const char *value, void *extra_args);
305 
306 int
307 bond_ethdev_parse_time_ms_kvarg(const char *key,
308 		const char *value, void *extra_args);
309 
310 void
311 bond_tlb_disable(struct bond_dev_private *internals);
312 
313 void
314 bond_tlb_enable(struct bond_dev_private *internals);
315 
316 void
317 bond_tlb_activate_slave(struct bond_dev_private *internals);
318 
319 int
320 bond_ethdev_stop(struct rte_eth_dev *eth_dev);
321 
322 int
323 bond_ethdev_close(struct rte_eth_dev *dev);
324 
325 #endif
326