xref: /dpdk/drivers/net/dpaa2/dpaa2_ethdev.h (revision 89f0711f9ddfb5822da9d34f384b92f72a61c4dc)
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 
13 #include <mc/fsl_dpni.h>
14 #include <mc/fsl_mc_sys.h>
15 
16 #define DPAA2_MIN_RX_BUF_SIZE 512
17 #define DPAA2_MAX_RX_PKT_LEN  10240 /*WRIOP support*/
18 
19 #define MAX_TCS			DPNI_MAX_TC
20 #define MAX_RX_QUEUES		16
21 #define MAX_TX_QUEUES		16
22 
23 /*default tc to be used for ,congestion, distribution etc configuration. */
24 #define DPAA2_DEF_TC		0
25 
26 /* Threshold for a Tx queue to *Enter* Congestion state.
27  */
28 #define CONG_ENTER_TX_THRESHOLD   512
29 
30 /* Threshold for a queue to *Exit* Congestion state.
31  */
32 #define CONG_EXIT_TX_THRESHOLD    480
33 
34 #define CONG_RETRY_COUNT 18000
35 
36 /* RX queue tail drop threshold
37  * currently considering 32 KB packets
38  */
39 #define CONG_THRESHOLD_RX_Q  (64 * 1024)
40 #define CONG_RX_OAL	128
41 
42 /* Size of the input SMMU mapped memory required by MC */
43 #define DIST_PARAM_IOVA_SIZE 256
44 
45 /* Enable TX Congestion control support
46  * default is disable
47  */
48 #define DPAA2_TX_CGR_OFF	0x01
49 
50 /* Disable RX tail drop, default is enable */
51 #define DPAA2_RX_TAILDROP_OFF	0x04
52 
53 /* LX2 FRC Parsed values (Little Endian) */
54 #define DPAA2_PKT_TYPE_ETHER		0x0060
55 #define DPAA2_PKT_TYPE_IPV4		0x0000
56 #define DPAA2_PKT_TYPE_IPV6		0x0020
57 #define DPAA2_PKT_TYPE_IPV4_EXT \
58 			(0x0001 | DPAA2_PKT_TYPE_IPV4)
59 #define DPAA2_PKT_TYPE_IPV6_EXT \
60 			(0x0001 | DPAA2_PKT_TYPE_IPV6)
61 #define DPAA2_PKT_TYPE_IPV4_TCP \
62 			(0x000e | DPAA2_PKT_TYPE_IPV4)
63 #define DPAA2_PKT_TYPE_IPV6_TCP \
64 			(0x000e | DPAA2_PKT_TYPE_IPV6)
65 #define DPAA2_PKT_TYPE_IPV4_UDP \
66 			(0x0010 | DPAA2_PKT_TYPE_IPV4)
67 #define DPAA2_PKT_TYPE_IPV6_UDP \
68 			(0x0010 | DPAA2_PKT_TYPE_IPV6)
69 #define DPAA2_PKT_TYPE_IPV4_SCTP	\
70 			(0x000f | DPAA2_PKT_TYPE_IPV4)
71 #define DPAA2_PKT_TYPE_IPV6_SCTP	\
72 			(0x000f | DPAA2_PKT_TYPE_IPV6)
73 #define DPAA2_PKT_TYPE_IPV4_ICMP \
74 			(0x0003 | DPAA2_PKT_TYPE_IPV4_EXT)
75 #define DPAA2_PKT_TYPE_IPV6_ICMP \
76 			(0x0003 | DPAA2_PKT_TYPE_IPV6_EXT)
77 #define DPAA2_PKT_TYPE_VLAN_1		0x0160
78 #define DPAA2_PKT_TYPE_VLAN_2		0x0260
79 
80 struct dpaa2_dev_priv {
81 	void *hw;
82 	int32_t hw_id;
83 	int32_t qdid;
84 	uint16_t token;
85 	uint8_t nb_tx_queues;
86 	uint8_t nb_rx_queues;
87 	void *rx_vq[MAX_RX_QUEUES];
88 	void *tx_vq[MAX_TX_QUEUES];
89 
90 	struct dpaa2_bp_list *bp_list; /**<Attached buffer pool list */
91 	uint32_t options;
92 	uint8_t max_mac_filters;
93 	uint8_t max_vlan_filters;
94 	uint8_t num_rx_tc;
95 	uint8_t flags; /*dpaa2 config flags */
96 };
97 
98 int dpaa2_setup_flow_dist(struct rte_eth_dev *eth_dev,
99 			  uint64_t req_dist_set);
100 
101 int dpaa2_remove_flow_dist(struct rte_eth_dev *eth_dev,
102 			   uint8_t tc_index);
103 
104 int dpaa2_attach_bp_list(struct dpaa2_dev_priv *priv, void *blist);
105 
106 int dpaa2_eth_eventq_attach(const struct rte_eth_dev *dev,
107 		int eth_rx_queue_id,
108 		uint16_t dpcon_id,
109 		const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
110 
111 int dpaa2_eth_eventq_detach(const struct rte_eth_dev *dev,
112 		int eth_rx_queue_id);
113 
114 uint16_t dpaa2_dev_prefetch_rx(void *queue, struct rte_mbuf **bufs,
115 			       uint16_t nb_pkts);
116 void dpaa2_dev_process_parallel_event(struct qbman_swp *swp,
117 				      const struct qbman_fd *fd,
118 				      const struct qbman_result *dq,
119 				      struct dpaa2_queue *rxq,
120 				      struct rte_event *ev);
121 void dpaa2_dev_process_atomic_event(struct qbman_swp *swp,
122 				    const struct qbman_fd *fd,
123 				    const struct qbman_result *dq,
124 				    struct dpaa2_queue *rxq,
125 				    struct rte_event *ev);
126 uint16_t dpaa2_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
127 uint16_t dummy_dev_tx(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts);
128 #endif /* _DPAA2_ETHDEV_H */
129