xref: /dpdk/drivers/net/ionic/ionic_lif.h (revision 6c02043e9967a9d8f6e8c058256e257efe1d6d1a)
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_DEFERRED	BIT(4)
52 #define IONIC_QCQ_F_CSUM_L3	BIT(7)
53 #define IONIC_QCQ_F_CSUM_UDP	BIT(8)
54 #define IONIC_QCQ_F_CSUM_TCP	BIT(9)
55 
56 /* Queue / Completion Queue */
57 struct ionic_qcq {
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 struct ionic_qtype_info {
79 	uint8_t  version;
80 	uint8_t  supported;
81 	uint64_t features;
82 	uint16_t desc_sz;
83 	uint16_t comp_sz;
84 	uint16_t sg_desc_sz;
85 	uint16_t max_sg_elems;
86 	uint16_t sg_desc_stride;
87 };
88 
89 #define IONIC_LIF_F_INITED		BIT(0)
90 #define IONIC_LIF_F_LINK_CHECK_NEEDED	BIT(1)
91 #define IONIC_LIF_F_UP			BIT(2)
92 #define IONIC_LIF_F_FW_RESET		BIT(3)
93 
94 #define IONIC_LIF_NAME_MAX_SZ		(32)
95 
96 struct ionic_lif {
97 	struct ionic_adapter *adapter;
98 	struct rte_eth_dev *eth_dev;
99 	uint16_t port_id;  /**< Device port identifier */
100 	uint32_t hw_index;
101 	uint32_t state;
102 	uint32_t ntxqcqs;
103 	uint32_t nrxqcqs;
104 	rte_spinlock_t adminq_lock;
105 	rte_spinlock_t adminq_service_lock;
106 	struct ionic_qcq *adminqcq;
107 	struct ionic_qcq *notifyqcq;
108 	struct ionic_qcq **txqcqs;
109 	struct ionic_qcq **rxqcqs;
110 	struct ionic_rx_filters rx_filters;
111 	struct ionic_doorbell __iomem *kern_dbpage;
112 	uint64_t last_eid;
113 	uint64_t features;
114 	uint32_t hw_features;
115 	uint32_t rx_mode;
116 	char name[IONIC_LIF_NAME_MAX_SZ];
117 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
118 	uint16_t rss_types;
119 	uint8_t rss_hash_key[IONIC_RSS_HASH_KEY_SIZE];
120 	uint8_t *rss_ind_tbl;
121 	rte_iova_t rss_ind_tbl_pa;
122 	const struct rte_memzone *rss_ind_tbl_z;
123 	uint32_t rss_ind_tbl_nrxqcqs;
124 	uint32_t info_sz;
125 	struct ionic_lif_info *info;
126 	rte_iova_t info_pa;
127 	const struct rte_memzone *info_z;
128 
129 	struct ionic_qtype_info qtype_info[IONIC_QTYPE_MAX];
130 	uint8_t qtype_ver[IONIC_QTYPE_MAX];
131 
132 	struct rte_eth_stats stats_base;
133 	struct ionic_lif_stats lif_stats_base;
134 };
135 
136 int ionic_lif_identify(struct ionic_adapter *adapter);
137 int ionic_lifs_size(struct ionic_adapter *ionic);
138 
139 int ionic_lif_alloc(struct ionic_lif *lif);
140 void ionic_lif_free(struct ionic_lif *lif);
141 void ionic_lif_free_queues(struct ionic_lif *lif);
142 
143 int ionic_lif_init(struct ionic_lif *lif);
144 void ionic_lif_deinit(struct ionic_lif *lif);
145 
146 int ionic_lif_start(struct ionic_lif *lif);
147 void ionic_lif_stop(struct ionic_lif *lif);
148 
149 void ionic_lif_configure(struct ionic_lif *lif);
150 void ionic_lif_configure_vlan_offload(struct ionic_lif *lif, int mask);
151 void ionic_lif_reset(struct ionic_lif *lif);
152 
153 int ionic_intr_alloc(struct ionic_lif *lif, struct ionic_intr_info *intr);
154 void ionic_intr_free(struct ionic_lif *lif, struct ionic_intr_info *intr);
155 
156 bool ionic_adminq_service(struct ionic_cq *cq, uint32_t cq_desc_index,
157 	void *cb_arg);
158 int ionic_qcq_service(struct ionic_qcq *qcq, int budget, ionic_cq_cb cb,
159 	void *cb_arg);
160 
161 int ionic_lif_change_mtu(struct ionic_lif *lif, int new_mtu);
162 
163 int ionic_dev_add_mac(struct rte_eth_dev *eth_dev,
164 	struct rte_ether_addr *mac_addr,
165 	uint32_t index __rte_unused, uint32_t pool __rte_unused);
166 void ionic_dev_remove_mac(struct rte_eth_dev *eth_dev,
167 	uint32_t index __rte_unused);
168 int ionic_dev_set_mac(struct rte_eth_dev *eth_dev,
169 	struct rte_ether_addr *mac_addr);
170 int ionic_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id,
171 	int on);
172 int ionic_dev_promiscuous_enable(struct rte_eth_dev *dev);
173 int ionic_dev_promiscuous_disable(struct rte_eth_dev *dev);
174 int ionic_dev_allmulticast_enable(struct rte_eth_dev *dev);
175 int ionic_dev_allmulticast_disable(struct rte_eth_dev *dev);
176 
177 int ionic_rx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
178 	uint16_t nrxq_descs, struct ionic_qcq **qcq);
179 int ionic_tx_qcq_alloc(struct ionic_lif *lif, uint32_t index,
180 	uint16_t ntxq_descs, struct ionic_qcq **qcq);
181 void ionic_qcq_free(struct ionic_qcq *qcq);
182 
183 int ionic_qcq_enable(struct ionic_qcq *qcq);
184 int ionic_qcq_disable(struct ionic_qcq *qcq);
185 
186 int ionic_lif_rxq_init(struct ionic_qcq *qcq);
187 void ionic_lif_rxq_deinit(struct ionic_qcq *qcq);
188 
189 int ionic_lif_txq_init(struct ionic_qcq *qcq);
190 void ionic_lif_txq_deinit(struct ionic_qcq *qcq);
191 
192 int ionic_lif_rss_config(struct ionic_lif *lif, const uint16_t types,
193 	const uint8_t *key, const uint32_t *indir);
194 
195 int ionic_lif_set_features(struct ionic_lif *lif);
196 
197 void ionic_lif_get_stats(const struct ionic_lif *lif,
198 	struct rte_eth_stats *stats);
199 void ionic_lif_reset_stats(struct ionic_lif *lif);
200 
201 void ionic_lif_get_hw_stats(struct ionic_lif *lif,
202 	struct ionic_lif_stats *stats);
203 void ionic_lif_reset_hw_stats(struct ionic_lif *lif);
204 
205 int ionic_notifyq_handler(struct ionic_lif *lif, int budget);
206 
207 #endif /* _IONIC_LIF_H_ */
208