xref: /dpdk/drivers/net/ionic/ionic_lif.h (revision 3cdfd905)
1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2  * Copyright(c) 2018-2019 Pensando Systems, Inc. All rights reserved.
3  */
4 
5 #ifndef _IONIC_LIF_H_
6 #define _IONIC_LIF_H_
7 
8 #include <inttypes.h>
9 
10 #include <rte_ethdev.h>
11 #include <rte_ether.h>
12 
13 #include "ionic_osdep.h"
14 #include "ionic_dev.h"
15 #include "ionic_rx_filter.h"
16 
17 #define IONIC_ADMINQ_LENGTH	16	/* must be a power of two */
18 #define IONIC_NOTIFYQ_LENGTH	64	/* must be a power of two */
19 
20 #define IONIC_RSS_OFFLOAD_ALL ( \
21 	IONIC_RSS_TYPE_IPV4 | \
22 	IONIC_RSS_TYPE_IPV4_TCP | \
23 	IONIC_RSS_TYPE_IPV4_UDP | \
24 	IONIC_RSS_TYPE_IPV6 | \
25 	IONIC_RSS_TYPE_IPV6_TCP | \
26 	IONIC_RSS_TYPE_IPV6_UDP)
27 
28 #define IONIC_GET_SG_CNTR_IDX(num_sg_elems)	(num_sg_elems)
29 
30 struct ionic_tx_stats {
31 	uint64_t packets;
32 	uint64_t bytes;
33 	uint64_t drop;
34 	uint64_t stop;
35 	uint64_t tso;
36 	uint64_t frags;
37 };
38 
39 struct ionic_rx_stats {
40 	uint64_t packets;
41 	uint64_t bytes;
42 	uint64_t no_cb_arg;
43 	uint64_t bad_cq_status;
44 	uint64_t no_room;
45 	uint64_t bad_len;
46 };
47 
48 #define IONIC_QCQ_F_INITED	BIT(0)
49 #define IONIC_QCQ_F_SG		BIT(1)
50 #define IONIC_QCQ_F_INTR	BIT(2)
51 #define IONIC_QCQ_F_NOTIFYQ	BIT(3)
52 
53 /* Queue / Completion Queue */
54 struct ionic_qcq {
55 	uint64_t offloads;
56 	struct ionic_queue q;        /**< Queue */
57 	struct ionic_cq cq;          /**< Completion Queue */
58 	struct ionic_lif *lif;       /**< LIF */
59 	struct rte_mempool *mb_pool; /**< mbuf pool to populate the RX ring */
60 	union {
61 		struct ionic_tx_stats tx;
62 		struct ionic_rx_stats rx;
63 	} stats;
64 	const struct rte_memzone *base_z;
65 	void *base;
66 	rte_iova_t base_pa;
67 	uint32_t total_size;
68 	uint32_t flags;
69 	struct ionic_intr_info intr;
70 	bool deferred_start;
71 };
72 
73 #define IONIC_Q_TO_QCQ(q)	container_of(q, struct ionic_qcq, q)
74 #define IONIC_Q_TO_TX_STATS(q)	(&IONIC_Q_TO_QCQ(q)->stats.tx)
75 #define IONIC_Q_TO_RX_STATS(q)	(&IONIC_Q_TO_QCQ(q)->stats.rx)
76 
77 #define IONIC_LIF_F_INITED		BIT(0)
78 #define IONIC_LIF_F_LINK_CHECK_NEEDED	BIT(1)
79 
80 #define IONIC_LIF_NAME_MAX_SZ		(32)
81 
82 struct ionic_lif {
83 	struct ionic_adapter *adapter;
84 	struct rte_eth_dev *eth_dev;
85 	uint16_t port_id;  /**< Device port identifier */
86 	uint16_t mtu;
87 	uint32_t index;
88 	uint32_t hw_index;
89 	uint32_t state;
90 	uint32_t ntxqcqs;
91 	uint32_t nrxqcqs;
92 	uint32_t kern_pid;
93 	rte_spinlock_t adminq_lock;
94 	rte_spinlock_t adminq_service_lock;
95 	struct ionic_qcq *adminqcq;
96 	struct ionic_qcq *notifyqcq;
97 	struct ionic_qcq **txqcqs;
98 	struct ionic_qcq **rxqcqs;
99 	struct ionic_rx_filters rx_filters;
100 	struct ionic_doorbell __iomem *kern_dbpage;
101 	uint64_t last_eid;
102 	uint64_t features;
103 	uint32_t hw_features;
104 	uint32_t rx_mode;
105 	char name[IONIC_LIF_NAME_MAX_SZ];
106 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
107 	uint16_t rss_types;
108 	uint8_t rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
109 	uint8_t *rss_ind_tbl;
110 	rte_iova_t rss_ind_tbl_pa;
111 	const struct rte_memzone *rss_ind_tbl_z;
112 	uint32_t info_sz;
113 	struct ionic_lif_info *info;
114 	rte_iova_t info_pa;
115 	const struct rte_memzone *info_z;
116 	struct rte_eth_stats stats_base;
117 	struct ionic_lif_stats lif_stats_base;
118 };
119 
120 int ionic_lif_identify(struct ionic_adapter *adapter);
121 int ionic_lifs_size(struct ionic_adapter *ionic);
122 
123 int ionic_lif_alloc(struct ionic_lif *lif);
124 void ionic_lif_free(struct ionic_lif *lif);
125 
126 int ionic_lif_init(struct ionic_lif *lif);
127 void ionic_lif_deinit(struct ionic_lif *lif);
128 
129 int ionic_lif_start(struct ionic_lif *lif);
130 int ionic_lif_stop(struct ionic_lif *lif);
131 
132 int ionic_lif_configure(struct ionic_lif *lif);
133 void ionic_lif_reset(struct ionic_lif *lif);
134 
135 int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr);
136 void ionic_intr_free(struct ionic_lif *lif, struct ionic_intr_info *intr);
137 
138 bool ionic_adminq_service(struct ionic_cq *cq, uint32_t cq_desc_index,
139 	void *cb_arg);
140 int ionic_qcq_service(struct ionic_qcq *qcq, int budget, ionic_cq_cb cb,
141 	void *cb_arg);
142 
143 int ionic_lif_change_mtu(struct ionic_lif *lif, int new_mtu);
144 
145 int ionic_dev_add_mac(struct rte_eth_dev *eth_dev,
146 	struct rte_ether_addr *mac_addr,
147 	uint32_t index __rte_unused, uint32_t pool __rte_unused);
148 void ionic_dev_remove_mac(struct rte_eth_dev *eth_dev,
149 	uint32_t index __rte_unused);
150 int ionic_dev_set_mac(struct rte_eth_dev *eth_dev,
151 	struct rte_ether_addr *mac_addr);
152 int ionic_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id,
153 	int on);
154 int ionic_dev_promiscuous_enable(struct rte_eth_dev *dev);
155 int ionic_dev_promiscuous_disable(struct rte_eth_dev *dev);
156 int ionic_dev_allmulticast_enable(struct rte_eth_dev *dev);
157 int ionic_dev_allmulticast_disable(struct rte_eth_dev *dev);
158 
159 int ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
160 	uint16_t nrxq_descs, struct ionic_qcq **qcq);
161 int ionic_tx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
162 	uint16_t ntxq_descs, struct ionic_qcq **qcq);
163 void ionic_qcq_free(struct ionic_qcq *qcq);
164 
165 int ionic_qcq_enable(struct ionic_qcq *qcq);
166 int ionic_qcq_disable(struct ionic_qcq *qcq);
167 
168 int ionic_lif_rxq_init(struct ionic_qcq *qcq);
169 void ionic_lif_rxq_deinit(struct ionic_qcq *qcq);
170 
171 int ionic_lif_txq_init(struct ionic_qcq *qcq);
172 void ionic_lif_txq_deinit(struct ionic_qcq *qcq);
173 
174 int ionic_lif_rss_config(struct ionic_lif *lif, const uint16_t types,
175 	const uint8_t *key, const uint32_t *indir);
176 
177 int ionic_lif_set_features(struct ionic_lif *lif);
178 
179 void ionic_lif_get_stats(const struct ionic_lif *lif,
180 	struct rte_eth_stats *stats);
181 void ionic_lif_reset_stats(struct ionic_lif *lif);
182 
183 void ionic_lif_get_hw_stats(struct ionic_lif *lif,
184 	struct ionic_lif_stats *stats);
185 void ionic_lif_reset_hw_stats(struct ionic_lif *lif);
186 
187 int ionic_notifyq_handler(struct ionic_lif *lif, int budget);
188 
189 #endif /* _IONIC_LIF_H_ */
190