xref: /dpdk/drivers/net/ionic/ionic_lif.h (revision 6956a48cabbb5c98098aaf0116c255209b8f4e87)
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 no_csum;
36 	uint64_t tso;
37 	uint64_t frags;
38 };
39 
40 struct ionic_rx_stats {
41 	uint64_t packets;
42 	uint64_t bytes;
43 	uint64_t no_cb_arg;
44 	uint64_t bad_cq_status;
45 	uint64_t no_room;
46 	uint64_t bad_len;
47 };
48 
49 #define IONIC_QCQ_F_INITED	BIT(0)
50 #define IONIC_QCQ_F_SG		BIT(1)
51 #define IONIC_QCQ_F_INTR	BIT(2)
52 #define IONIC_QCQ_F_NOTIFYQ	BIT(3)
53 #define IONIC_QCQ_F_DEFERRED	BIT(4)
54 
55 /* Queue / Completion Queue */
56 struct ionic_qcq {
57 	uint64_t offloads;
58 	struct ionic_queue q;        /**< Queue */
59 	struct ionic_cq cq;          /**< Completion Queue */
60 	struct ionic_lif *lif;       /**< LIF */
61 	struct rte_mempool *mb_pool; /**< mbuf pool to populate the RX ring */
62 	union {
63 		struct ionic_tx_stats tx;
64 		struct ionic_rx_stats rx;
65 	} stats;
66 	const struct rte_memzone *base_z;
67 	void *base;
68 	rte_iova_t base_pa;
69 	uint32_t total_size;
70 	uint32_t flags;
71 	struct ionic_intr_info intr;
72 };
73 
74 #define IONIC_Q_TO_QCQ(q)	container_of(q, struct ionic_qcq, q)
75 #define IONIC_Q_TO_TX_STATS(q)	(&IONIC_Q_TO_QCQ(q)->stats.tx)
76 #define IONIC_Q_TO_RX_STATS(q)	(&IONIC_Q_TO_QCQ(q)->stats.rx)
77 
78 #define IONIC_LIF_F_INITED		BIT(0)
79 #define IONIC_LIF_F_LINK_CHECK_NEEDED	BIT(1)
80 
81 #define IONIC_LIF_NAME_MAX_SZ		(32)
82 
83 struct ionic_lif {
84 	struct ionic_adapter *adapter;
85 	struct rte_eth_dev *eth_dev;
86 	uint16_t port_id;  /**< Device port identifier */
87 	uint32_t index;
88 	uint32_t hw_index;
89 	uint32_t state;
90 	uint32_t ntxqcqs;
91 	uint32_t nrxqcqs;
92 	rte_spinlock_t adminq_lock;
93 	rte_spinlock_t adminq_service_lock;
94 	struct ionic_qcq *adminqcq;
95 	struct ionic_qcq *notifyqcq;
96 	struct ionic_qcq **txqcqs;
97 	struct ionic_qcq **rxqcqs;
98 	struct ionic_rx_filters rx_filters;
99 	struct ionic_doorbell __iomem *kern_dbpage;
100 	uint64_t last_eid;
101 	uint64_t features;
102 	uint32_t hw_features;
103 	uint32_t rx_mode;
104 	char name[IONIC_LIF_NAME_MAX_SZ];
105 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
106 	uint16_t rss_types;
107 	uint8_t rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
108 	uint8_t *rss_ind_tbl;
109 	rte_iova_t rss_ind_tbl_pa;
110 	const struct rte_memzone *rss_ind_tbl_z;
111 	uint32_t info_sz;
112 	struct ionic_lif_info *info;
113 	rte_iova_t info_pa;
114 	const struct rte_memzone *info_z;
115 	struct rte_eth_stats stats_base;
116 	struct ionic_lif_stats lif_stats_base;
117 };
118 
119 int ionic_lif_identify(struct ionic_adapter *adapter);
120 int ionic_lifs_size(struct ionic_adapter *ionic);
121 
122 int ionic_lif_alloc(struct ionic_lif *lif);
123 void ionic_lif_free(struct ionic_lif *lif);
124 
125 int ionic_lif_init(struct ionic_lif *lif);
126 void ionic_lif_deinit(struct ionic_lif *lif);
127 
128 int ionic_lif_start(struct ionic_lif *lif);
129 int ionic_lif_stop(struct ionic_lif *lif);
130 
131 int ionic_lif_configure(struct ionic_lif *lif);
132 void ionic_lif_reset(struct ionic_lif *lif);
133 
134 int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr);
135 void ionic_intr_free(struct ionic_lif *lif, struct ionic_intr_info *intr);
136 
137 bool ionic_adminq_service(struct ionic_cq *cq, uint32_t cq_desc_index,
138 	void *cb_arg);
139 int ionic_qcq_service(struct ionic_qcq *qcq, int budget, ionic_cq_cb cb,
140 	void *cb_arg);
141 
142 int ionic_lif_change_mtu(struct ionic_lif *lif, int new_mtu);
143 
144 int ionic_dev_add_mac(struct rte_eth_dev *eth_dev,
145 	struct rte_ether_addr *mac_addr,
146 	uint32_t index __rte_unused, uint32_t pool __rte_unused);
147 void ionic_dev_remove_mac(struct rte_eth_dev *eth_dev,
148 	uint32_t index __rte_unused);
149 int ionic_dev_set_mac(struct rte_eth_dev *eth_dev,
150 	struct rte_ether_addr *mac_addr);
151 int ionic_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id,
152 	int on);
153 int ionic_dev_promiscuous_enable(struct rte_eth_dev *dev);
154 int ionic_dev_promiscuous_disable(struct rte_eth_dev *dev);
155 int ionic_dev_allmulticast_enable(struct rte_eth_dev *dev);
156 int ionic_dev_allmulticast_disable(struct rte_eth_dev *dev);
157 
158 int ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
159 	uint16_t nrxq_descs, struct ionic_qcq **qcq);
160 int ionic_tx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
161 	uint16_t ntxq_descs, struct ionic_qcq **qcq);
162 void ionic_qcq_free(struct ionic_qcq *qcq);
163 
164 int ionic_qcq_enable(struct ionic_qcq *qcq);
165 int ionic_qcq_disable(struct ionic_qcq *qcq);
166 
167 int ionic_lif_rxq_init(struct ionic_qcq *qcq);
168 void ionic_lif_rxq_deinit(struct ionic_qcq *qcq);
169 
170 int ionic_lif_txq_init(struct ionic_qcq *qcq);
171 void ionic_lif_txq_deinit(struct ionic_qcq *qcq);
172 
173 int ionic_lif_rss_config(struct ionic_lif *lif, const uint16_t types,
174 	const uint8_t *key, const uint32_t *indir);
175 
176 int ionic_lif_set_features(struct ionic_lif *lif);
177 
178 void ionic_lif_get_stats(const struct ionic_lif *lif,
179 	struct rte_eth_stats *stats);
180 void ionic_lif_reset_stats(struct ionic_lif *lif);
181 
182 void ionic_lif_get_hw_stats(struct ionic_lif *lif,
183 	struct ionic_lif_stats *stats);
184 void ionic_lif_reset_hw_stats(struct ionic_lif *lif);
185 
186 int ionic_notifyq_handler(struct ionic_lif *lif, int budget);
187 
188 #endif /* _IONIC_LIF_H_ */
189