xref: /dpdk/drivers/net/dpaa2/dpaa2_ethdev.h (revision 2a7bb4fdf61e9edfb7adbaecb50e728b82da9e23)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  *   Copyright (c) 2015-2016 Freescale Semiconductor, Inc. All rights reserved.
4  *   Copyright 2016 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 
16 #include <mc/fsl_dpni.h>
17 #include <mc/fsl_mc_sys.h>
18 
19 #define DPAA2_MIN_RX_BUF_SIZE 512
20 #define DPAA2_MAX_RX_PKT_LEN  10240 /*WRIOP support*/
21 
22 #define MAX_TCS			DPNI_MAX_TC
23 #define MAX_RX_QUEUES		16
24 #define MAX_TX_QUEUES		16
25 
26 /*default tc to be used for ,congestion, distribution etc configuration. */
27 #define DPAA2_DEF_TC		0
28 
29 /* Threshold for a Tx queue to *Enter* Congestion state.
30  */
31 #define CONG_ENTER_TX_THRESHOLD   512
32 
33 /* Threshold for a queue to *Exit* Congestion state.
34  */
35 #define CONG_EXIT_TX_THRESHOLD    480
36 
37 #define CONG_RETRY_COUNT 18000
38 
39 /* RX queue tail drop threshold
40  * currently considering 32 KB packets
41  */
42 #define CONG_THRESHOLD_RX_Q  (64 * 1024)
43 #define CONG_RX_OAL	128
44 
45 /* Size of the input SMMU mapped memory required by MC */
46 #define DIST_PARAM_IOVA_SIZE 256
47 
48 /* Enable TX Congestion control support
49  * default is disable
50  */
51 #define DPAA2_TX_CGR_OFF	0x01
52 
53 /* Disable RX tail drop, default is enable */
54 #define DPAA2_RX_TAILDROP_OFF	0x04
55 
56 #define DPAA2_RSS_OFFLOAD_ALL ( \
57 	ETH_RSS_IP | \
58 	ETH_RSS_UDP | \
59 	ETH_RSS_TCP | \
60 	ETH_RSS_SCTP)
61 
62 /* LX2 FRC Parsed values (Little Endian) */
63 #define DPAA2_PKT_TYPE_ETHER		0x0060
64 #define DPAA2_PKT_TYPE_IPV4		0x0000
65 #define DPAA2_PKT_TYPE_IPV6		0x0020
66 #define DPAA2_PKT_TYPE_IPV4_EXT \
67 			(0x0001 | DPAA2_PKT_TYPE_IPV4)
68 #define DPAA2_PKT_TYPE_IPV6_EXT \
69 			(0x0001 | DPAA2_PKT_TYPE_IPV6)
70 #define DPAA2_PKT_TYPE_IPV4_TCP \
71 			(0x000e | DPAA2_PKT_TYPE_IPV4)
72 #define DPAA2_PKT_TYPE_IPV6_TCP \
73 			(0x000e | DPAA2_PKT_TYPE_IPV6)
74 #define DPAA2_PKT_TYPE_IPV4_UDP \
75 			(0x0010 | DPAA2_PKT_TYPE_IPV4)
76 #define DPAA2_PKT_TYPE_IPV6_UDP \
77 			(0x0010 | DPAA2_PKT_TYPE_IPV6)
78 #define DPAA2_PKT_TYPE_IPV4_SCTP	\
79 			(0x000f | DPAA2_PKT_TYPE_IPV4)
80 #define DPAA2_PKT_TYPE_IPV6_SCTP	\
81 			(0x000f | DPAA2_PKT_TYPE_IPV6)
82 #define DPAA2_PKT_TYPE_IPV4_ICMP \
83 			(0x0003 | DPAA2_PKT_TYPE_IPV4_EXT)
84 #define DPAA2_PKT_TYPE_IPV6_ICMP \
85 			(0x0003 | DPAA2_PKT_TYPE_IPV6_EXT)
86 #define DPAA2_PKT_TYPE_VLAN_1		0x0160
87 #define DPAA2_PKT_TYPE_VLAN_2		0x0260
88 
89 /* enable timestamp in mbuf*/
90 extern enum pmd_dpaa2_ts dpaa2_enable_ts;
91 
92 struct dpaa2_dev_priv {
93 	void *hw;
94 	int32_t hw_id;
95 	int32_t qdid;
96 	uint16_t token;
97 	uint8_t nb_tx_queues;
98 	uint8_t nb_rx_queues;
99 	void *rx_vq[MAX_RX_QUEUES];
100 	void *tx_vq[MAX_TX_QUEUES];
101 
102 	struct dpaa2_bp_list *bp_list; /**<Attached buffer pool list */
103 	uint32_t options;
104 	uint8_t max_mac_filters;
105 	uint8_t max_vlan_filters;
106 	uint8_t num_rx_tc;
107 	uint8_t flags; /*dpaa2 config flags */
108 };
109 
110 int dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
111 			  uint64_t req_dist_set);
112 
113 int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
114 			   uint8_t tc_index);
115 
116 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
117 
118 int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
119 		int eth_rx_queue_id,
120 		uint16_t dpcon_id,
121 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
122 
123 int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
124 		int eth_rx_queue_id);
125 
126 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
127 			       uint16_t nb_pkts);
128 void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
129 				      const struct qbman_fd *fd,
130 				      const struct qbman_result *dq,
131 				      struct dpaa2_queue *rxq,
132 				      struct rte_event *ev);
133 void dpaa2_dev_process_atomic_event(struct qbman_swp *swp,
134 				    const struct qbman_fd *fd,
135 				    const struct qbman_result *dq,
136 				    struct dpaa2_queue *rxq,
137 				    struct rte_event *ev);
138 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
139 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
140 #endif /* _DPAA2_ETHDEV_H */
141