1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015 - 2016 CESNET
5 #ifndef RTE_PMD_SZEDATA2_H_
6 #define RTE_PMD_SZEDATA2_H_
12 #include <rte_common.h>
15 #define PCI_VENDOR_ID_NETCOPE 0x1b26
18 #define PCI_DEVICE_ID_NETCOPE_COMBO80G 0xcb80
19 #define PCI_DEVICE_ID_NETCOPE_COMBO100G 0xc1c1
20 #define PCI_DEVICE_ID_NETCOPE_COMBO100G2 0xc2c1
22 /* number of PCI resource used by COMBO card */
23 #define PCI_RESOURCE_NUMBER 0
25 /* szedata2_packet header length == 4 bytes == 2B segment size + 2B hw size */
26 #define RTE_SZE2_PACKET_HEADER_SIZE 4
28 #define RTE_SZE2_MMIO_MAX 10
31 * Round 'what' to the nearest larger (or equal) multiple of '8'
32 * (szedata2 packet is aligned to 8 bytes)
34 #define RTE_SZE2_ALIGN8(what) RTE_ALIGN(what, 8)
36 /*! main handle structure */
39 struct sze2_instance_info *info;
41 void *space[RTE_SZE2_MMIO_MAX];
42 struct szedata_lock lock[2][2];
44 __u32 *rx_asize, *tx_asize;
46 /* szedata_read_next variables - to keep context (ct) */
51 /** initial sze lock ptr */
52 const struct szedata_lock *ct_rx_lck_orig;
53 /** current sze lock ptr (initial or next) */
54 const struct szedata_lock *ct_rx_lck;
55 /** remaining bytes (not read) within current lock */
56 unsigned int ct_rx_rem_bytes;
57 /** current pointer to locked memory */
58 unsigned char *ct_rx_cur_ptr;
60 * allocated buffer to store RX packet if it was split
63 unsigned char *ct_rx_buffer;
64 /** registered function to provide filtering based on hwdata */
65 int (*ct_rx_filter)(u_int16_t hwdata_len, u_char *hwdata);
71 * buffer for tx - packet is prepared here
72 * (in future for burst write)
74 unsigned char *ct_tx_buffer;
75 /** initial sze TX lock ptrs - number according to TX interfaces */
76 const struct szedata_lock **ct_tx_lck_orig;
77 /** current sze TX lock ptrs - number according to TX interfaces */
78 const struct szedata_lock **ct_tx_lck;
79 /** already written bytes in both locks */
80 unsigned int *ct_tx_written_bytes;
81 /** remaining bytes (not written) within current lock */
82 unsigned int *ct_tx_rem_bytes;
83 /** current pointers to locked memory */
84 unsigned char **ct_tx_cur_ptr;
85 /** NUMA node closest to PCIe device, or -1 */
89 #endif /* RTE_PMD_SZEDATA2_H_ */