diff options
Diffstat (limited to 'drivers/net/szedata2/szedata2_iobuf.h')
| -rw-r--r-- | drivers/net/szedata2/szedata2_iobuf.h | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/drivers/net/szedata2/szedata2_iobuf.h b/drivers/net/szedata2/szedata2_iobuf.h deleted file mode 100644 index f1ccb3b2..00000000 --- a/drivers/net/szedata2/szedata2_iobuf.h +++ /dev/null @@ -1,356 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright (c) 2017 CESNET - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of CESNET nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _SZEDATA2_IOBUF_H_ -#define _SZEDATA2_IOBUF_H_ - -#include <stdint.h> -#include <stdbool.h> - -#include <rte_byteorder.h> -#include <rte_io.h> -#include <rte_dev.h> - -/* IBUF offsets from the beginning of the PCI resource address space. */ -extern const uint32_t szedata2_ibuf_base_table[]; -extern const uint32_t szedata2_ibuf_count; - -/* OBUF offsets from the beginning of the PCI resource address space. */ -extern const uint32_t szedata2_obuf_base_table[]; -extern const uint32_t szedata2_obuf_count; - -enum szedata2_link_speed { - SZEDATA2_LINK_SPEED_DEFAULT = 0, - SZEDATA2_LINK_SPEED_10G, - SZEDATA2_LINK_SPEED_40G, - SZEDATA2_LINK_SPEED_100G, -}; - -enum szedata2_mac_check_mode { - SZEDATA2_MAC_CHMODE_PROMISC = 0x0, - SZEDATA2_MAC_CHMODE_ONLY_VALID = 0x1, - SZEDATA2_MAC_CHMODE_ALL_BROADCAST = 0x2, - SZEDATA2_MAC_CHMODE_ALL_MULTICAST = 0x3, -}; - -/** - * Macro takes pointer to pci resource structure (rsc) - * and returns pointer to mapped resource memory at - * specified offset (offset) typecast to the type (type). - */ -#define SZEDATA2_PCI_RESOURCE_PTR(rsc, offset, type) \ - ((type)(((uint8_t *)(rsc)->addr) + (offset))) - -/** - * Maximum possible number of MAC addresses (limited by IBUF status - * register value MAC_COUNT which has 5 bits). - */ -#define SZEDATA2_IBUF_MAX_MAC_COUNT 32 - -/** - * Structure describes IBUF address space. - */ -struct szedata2_ibuf { - /** Total Received Frames Counter low part */ - uint32_t trfcl; /**< 0x00 */ - /** Correct Frames Counter low part */ - uint32_t cfcl; /**< 0x04 */ - /** Discarded Frames Counter low part */ - uint32_t dfcl; /**< 0x08 */ - /** Counter of frames discarded due to buffer overflow low part */ - uint32_t bodfcl; /**< 0x0C */ - /** Total Received Frames Counter high part */ - uint32_t trfch; /**< 0x10 */ - /** Correct Frames Counter high part */ - uint32_t cfch; /**< 0x14 */ - /** Discarded Frames Counter high part */ - uint32_t dfch; /**< 0x18 */ - /** Counter of frames discarded due to buffer overflow high part */ - uint32_t bodfch; /**< 0x1C */ - /** IBUF enable register */ - uint32_t ibuf_en; /**< 0x20 */ - /** Error mask register */ - uint32_t err_mask; /**< 0x24 */ - /** IBUF status register */ - uint32_t ibuf_st; /**< 0x28 */ - /** IBUF command register */ - uint32_t ibuf_cmd; /**< 0x2C */ - /** Minimum frame length allowed */ - uint32_t mfla; /**< 0x30 */ - /** Frame MTU */ - uint32_t mtu; /**< 0x34 */ - /** MAC address check mode */ - uint32_t mac_chmode; /**< 0x38 */ - /** Octets Received OK Counter low part */ - uint32_t orocl; /**< 0x3C */ - /** Octets Received OK Counter high part */ - uint32_t oroch; /**< 0x40 */ - /** reserved */ - uint8_t reserved[60]; /**< 0x4C */ - /** IBUF memory for MAC addresses */ - uint32_t mac_mem[2 * SZEDATA2_IBUF_MAX_MAC_COUNT]; /**< 0x80 */ -} __rte_packed; - -/** - * Structure describes OBUF address space. - */ -struct szedata2_obuf { - /** Total Sent Frames Counter low part */ - uint32_t tsfcl; /**< 0x00 */ - /** Octets Sent Counter low part */ - uint32_t oscl; /**< 0x04 */ - /** Total Discarded Frames Counter low part */ - uint32_t tdfcl; /**< 0x08 */ - /** reserved */ - uint32_t reserved1; /**< 0x0C */ - /** Total Sent Frames Counter high part */ - uint32_t tsfch; /**< 0x10 */ - /** Octets Sent Counter high part */ - uint32_t osch; /**< 0x14 */ - /** Total Discarded Frames Counter high part */ - uint32_t tdfch; /**< 0x18 */ - /** reserved */ - uint32_t reserved2; /**< 0x1C */ - /** OBUF enable register */ - uint32_t obuf_en; /**< 0x20 */ - /** reserved */ - uint64_t reserved3; /**< 0x24 */ - /** OBUF control register */ - uint32_t ctrl; /**< 0x2C */ - /** OBUF status register */ - uint32_t obuf_st; /**< 0x30 */ -} __rte_packed; - -/** - * Wrapper for reading 4 bytes from device memory in correct endianness. - * - * @param addr - * Address for reading. - * @return - * 4 B value. - */ -static inline uint32_t -szedata2_read32(const volatile void *addr) -{ - return rte_le_to_cpu_32(rte_read32(addr)); -} - -/** - * Wrapper for writing 4 bytes to device memory in correct endianness. - * - * @param value - * Value to write. - * @param addr - * Address for writing. - */ -static inline void -szedata2_write32(uint32_t value, volatile void *addr) -{ - rte_write32(rte_cpu_to_le_32(value), addr); -} - -/** - * Get pointer to IBUF structure according to specified index. - * - * @param rsc - * Pointer to base address of memory resource. - * @param index - * Index of IBUF. - * @return - * Pointer to IBUF structure. - */ -static inline struct szedata2_ibuf * -ibuf_ptr_by_index(struct rte_mem_resource *rsc, uint32_t index) -{ - if (index >= szedata2_ibuf_count) - index = szedata2_ibuf_count - 1; - return SZEDATA2_PCI_RESOURCE_PTR(rsc, szedata2_ibuf_base_table[index], - struct szedata2_ibuf *); -} - -/** - * Get pointer to OBUF structure according to specified idnex. - * - * @param rsc - * Pointer to base address of memory resource. - * @param index - * Index of OBUF. - * @return - * Pointer to OBUF structure. - */ -static inline struct szedata2_obuf * -obuf_ptr_by_index(struct rte_mem_resource *rsc, uint32_t index) -{ - if (index >= szedata2_obuf_count) - index = szedata2_obuf_count - 1; - return SZEDATA2_PCI_RESOURCE_PTR(rsc, szedata2_obuf_base_table[index], - struct szedata2_obuf *); -} - -/** - * Checks if IBUF is enabled. - * - * @param ibuf - * Pointer to IBUF structure. - * @return - * true if IBUF is enabled. - * false if IBUF is disabled. - */ -static inline bool -ibuf_is_enabled(const volatile struct szedata2_ibuf *ibuf) -{ - return ((szedata2_read32(&ibuf->ibuf_en) & 0x1) != 0) ? true : false; -} - -/** - * Enables IBUF. - * - * @param ibuf - * Pointer to IBUF structure. - */ -static inline void -ibuf_enable(volatile struct szedata2_ibuf *ibuf) -{ - szedata2_write32(szedata2_read32(&ibuf->ibuf_en) | 0x1, &ibuf->ibuf_en); -} - -/** - * Disables IBUF. - * - * @param ibuf - * Pointer to IBUF structure. - */ -static inline void -ibuf_disable(volatile struct szedata2_ibuf *ibuf) -{ - szedata2_write32(szedata2_read32(&ibuf->ibuf_en) & ~0x1, - &ibuf->ibuf_en); -} - -/** - * Checks if link is up. - * - * @param ibuf - * Pointer to IBUF structure. - * @return - * true if ibuf link is up. - * false if ibuf link is down. - */ -static inline bool -ibuf_is_link_up(const volatile struct szedata2_ibuf *ibuf) -{ - return ((szedata2_read32(&ibuf->ibuf_st) & 0x80) != 0) ? true : false; -} - -/** - * Get current MAC address check mode from IBUF. - * - * @param ibuf - * Pointer to IBUF structure. - * @return - * MAC address check mode constant. - */ -static inline enum szedata2_mac_check_mode -ibuf_mac_mode_read(const volatile struct szedata2_ibuf *ibuf) -{ - switch (szedata2_read32(&ibuf->mac_chmode) & 0x3) { - case 0x0: - return SZEDATA2_MAC_CHMODE_PROMISC; - case 0x1: - return SZEDATA2_MAC_CHMODE_ONLY_VALID; - case 0x2: - return SZEDATA2_MAC_CHMODE_ALL_BROADCAST; - case 0x3: - return SZEDATA2_MAC_CHMODE_ALL_MULTICAST; - default: - return SZEDATA2_MAC_CHMODE_PROMISC; - } -} - -/** - * Writes mode in MAC address check mode register in IBUF. - * - * @param ibuf - * Pointer to IBUF structure. - * @param mode - * MAC address check mode to set. - */ -static inline void -ibuf_mac_mode_write(volatile struct szedata2_ibuf *ibuf, - enum szedata2_mac_check_mode mode) -{ - szedata2_write32((szedata2_read32(&ibuf->mac_chmode) & ~0x3) | mode, - &ibuf->mac_chmode); -} - -/** - * Checks if obuf is enabled. - * - * @param obuf - * Pointer to OBUF structure. - * @return - * true if OBUF is enabled. - * false if OBUF is disabled. - */ -static inline bool -obuf_is_enabled(const volatile struct szedata2_obuf *obuf) -{ - return ((szedata2_read32(&obuf->obuf_en) & 0x1) != 0) ? true : false; -} - -/** - * Enables OBUF. - * - * @param obuf - * Pointer to OBUF structure. - */ -static inline void -obuf_enable(volatile struct szedata2_obuf *obuf) -{ - szedata2_write32(szedata2_read32(&obuf->obuf_en) | 0x1, &obuf->obuf_en); -} - -/** - * Disables OBUF. - * - * @param obuf - * Pointer to OBUF structure. - */ -static inline void -obuf_disable(volatile struct szedata2_obuf *obuf) -{ - szedata2_write32(szedata2_read32(&obuf->obuf_en) & ~0x1, - &obuf->obuf_en); -} - -#endif /* _SZEDATA2_IOBUF_H_ */ |