24d0f5aa6b
Macro for alignment is defined in the common library. Use macro from the common library in own macro definition. Signed-off-by: Matej Vido <vido@cesnet.cz>
119 lines
4.0 KiB
C
119 lines
4.0 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) 2015 - 2016 CESNET
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of CESNET nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RTE_PMD_SZEDATA2_H_
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#define RTE_PMD_SZEDATA2_H_
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#include <stdint.h>
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#include <libsze2.h>
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#include <rte_common.h>
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/* PCI Vendor ID */
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#define PCI_VENDOR_ID_NETCOPE 0x1b26
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/* PCI Device IDs */
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#define PCI_DEVICE_ID_NETCOPE_COMBO80G 0xcb80
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#define PCI_DEVICE_ID_NETCOPE_COMBO100G 0xc1c1
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#define PCI_DEVICE_ID_NETCOPE_COMBO100G2 0xc2c1
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/* number of PCI resource used by COMBO card */
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#define PCI_RESOURCE_NUMBER 0
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/* szedata2_packet header length == 4 bytes == 2B segment size + 2B hw size */
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#define RTE_SZE2_PACKET_HEADER_SIZE 4
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#define RTE_SZE2_MMIO_MAX 10
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/*!
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* Round 'what' to the nearest larger (or equal) multiple of '8'
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* (szedata2 packet is aligned to 8 bytes)
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*/
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#define RTE_SZE2_ALIGN8(what) RTE_ALIGN(what, 8)
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/*! main handle structure */
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struct szedata {
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int fd;
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struct sze2_instance_info *info;
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uint32_t *write_size;
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void *space[RTE_SZE2_MMIO_MAX];
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struct szedata_lock lock[2][2];
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__u32 *rx_asize, *tx_asize;
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/* szedata_read_next variables - to keep context (ct) */
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/*
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* rx
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*/
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/** initial sze lock ptr */
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const struct szedata_lock *ct_rx_lck_orig;
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/** current sze lock ptr (initial or next) */
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const struct szedata_lock *ct_rx_lck;
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/** remaining bytes (not read) within current lock */
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unsigned int ct_rx_rem_bytes;
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/** current pointer to locked memory */
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unsigned char *ct_rx_cur_ptr;
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/**
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* allocated buffer to store RX packet if it was split
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* into 2 buffers
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*/
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unsigned char *ct_rx_buffer;
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/** registered function to provide filtering based on hwdata */
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int (*ct_rx_filter)(u_int16_t hwdata_len, u_char *hwdata);
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/*
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* tx
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*/
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/**
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* buffer for tx - packet is prepared here
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* (in future for burst write)
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*/
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unsigned char *ct_tx_buffer;
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/** initial sze TX lock ptrs - number according to TX interfaces */
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const struct szedata_lock **ct_tx_lck_orig;
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/** current sze TX lock ptrs - number according to TX interfaces */
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const struct szedata_lock **ct_tx_lck;
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/** already written bytes in both locks */
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unsigned int *ct_tx_written_bytes;
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/** remaining bytes (not written) within current lock */
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unsigned int *ct_tx_rem_bytes;
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/** current pointers to locked memory */
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unsigned char **ct_tx_cur_ptr;
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/** NUMA node closest to PCIe device, or -1 */
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int numa_node;
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};
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#endif /* RTE_PMD_SZEDATA2_H_ */
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