122 lines
4.9 KiB
C
122 lines
4.9 KiB
C
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/*
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* Copyright 2024 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_ETHERNET_ETH_NXP_IMX_NETC_PRIV_H_
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#define ZEPHYR_DRIVERS_ETHERNET_ETH_NXP_IMX_NETC_PRIV_H_
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#include "fsl_netc_endpoint.h"
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#include "fsl_msgintr.h"
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/* Buffer and descriptor alignment */
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#define NETC_BD_ALIGN 128
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#define NETC_BUFF_ALIGN 64
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#define NETC_RX_RING_BUF_SIZE_ALIGN \
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SDK_SIZEALIGN(CONFIG_ETH_NXP_IMX_RX_RING_BUF_SIZE, NETC_BUFF_ALIGN)
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/* MSIX definitions */
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#define NETC_TX_MSIX_ENTRY_IDX 0
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#define NETC_RX_MSIX_ENTRY_IDX 1
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#define NETC_MSIX_ENTRY_NUM 2
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#define NETC_MSIX_EVENTS_COUNT NETC_MSIX_ENTRY_NUM
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#define NETC_TX_INTR_MSG_DATA_START 0
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#define NETC_RX_INTR_MSG_DATA_START 16
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#define NETC_DRV_MAX_INST_SUPPORT 16
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/* MSGINTR */
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#define NETC_MSGINTR_CHANNEL 0
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#if (CONFIG_ETH_NXP_IMX_MSGINTR == 1)
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#define NETC_MSGINTR MSGINTR1
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#define NETC_MSGINTR_IRQ MSGINTR1_IRQn
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#elif (CONFIG_ETH_NXP_IMX_MSGINTR == 2)
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#define NETC_MSGINTR MSGINTR2
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#define NETC_MSGINTR_IRQ MSGINTR2_IRQn
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#else
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#error "Current CONFIG_ETH_NXP_IMX_MSGINTR not support"
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#endif
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/* Timeout for various operations */
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#define NETC_TIMEOUT K_MSEC(20)
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/* Helper macros to convert from Zephyr PHY speed to NETC speed/duplex types */
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#define PHY_TO_NETC_SPEED(x) \
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(PHY_LINK_IS_SPEED_1000M(x) \
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? kNETC_MiiSpeed1000M \
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: (PHY_LINK_IS_SPEED_100M(x) ? kNETC_MiiSpeed100M : kNETC_MiiSpeed10M))
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#define PHY_TO_NETC_DUPLEX_MODE(x) \
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(PHY_LINK_IS_FULL_DUPLEX(x) ? kNETC_MiiFullDuplex : kNETC_MiiHalfDuplex)
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/* Helper function to generate an Ethernet MAC address for a given ENETC instance */
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#define FREESCALE_OUI_B0 0x00
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#define FREESCALE_OUI_B1 0x04
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#define FREESCALE_OUI_B2 0x9f
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#define _NETC_GENERATE_MAC_ADDRESS_RANDOM \
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gen_random_mac(mac_addr, FREESCALE_OUI_B0, FREESCALE_OUI_B1, FREESCALE_OUI_B2)
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#define _NETC_GENERATE_MAC_ADDRESS_UNIQUE(n) \
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do { \
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uint32_t id = 0x001100; \
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\
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mac_addr[0] = FREESCALE_OUI_B0; \
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mac_addr[1] = FREESCALE_OUI_B1; \
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/* Set MAC address locally administered bit (LAA) */ \
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mac_addr[2] = FREESCALE_OUI_B2 | 0x02; \
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mac_addr[3] = (id >> 16) & 0xff; \
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mac_addr[4] = (id >> 8) & 0xff; \
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mac_addr[5] = (id + n) & 0xff; \
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} while (0)
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#define NETC_GENERATE_MAC_ADDRESS(n) \
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static void netc_eth##n##_generate_mac(uint8_t mac_addr[6]) \
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{ \
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COND_CODE_1(DT_INST_PROP(n, zephyr_random_mac_address), \
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(_NETC_GENERATE_MAC_ADDRESS_RANDOM), \
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(COND_CODE_0(DT_INST_NODE_HAS_PROP(n, local_mac_address), \
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(_NETC_GENERATE_MAC_ADDRESS_UNIQUE(n)), \
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(ARG_UNUSED(mac_addr))))); \
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}
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struct netc_eth_config {
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uint16_t si_idx;
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const struct device *phy_dev;
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void (*generate_mac)(uint8_t *mac_addr);
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void (*bdr_init)(netc_bdr_config_t *bdr_config, netc_rx_bdr_config_t *rx_bdr_config,
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netc_tx_bdr_config_t *tx_bdr_config);
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const struct pinctrl_dev_config *pincfg;
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uint8_t tx_intr_msg_data;
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uint8_t rx_intr_msg_data;
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};
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typedef uint8_t rx_buffer_t[NETC_RX_RING_BUF_SIZE_ALIGN];
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struct netc_eth_data {
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ep_handle_t handle;
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struct net_if *iface;
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uint8_t mac_addr[6];
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/* TX */
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struct k_mutex tx_mutex;
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netc_tx_frame_info_t tx_info;
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uint8_t *tx_buff;
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volatile bool tx_done;
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/* RX */
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struct k_sem rx_sem;
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struct k_thread rx_thread;
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K_KERNEL_STACK_MEMBER(rx_thread_stack, CONFIG_ETH_NXP_IMX_RX_THREAD_STACK_SIZE);
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uint8_t *rx_frame;
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};
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int netc_eth_init_common(const struct device *dev);
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int netc_eth_tx(const struct device *dev, struct net_pkt *pkt);
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enum ethernet_hw_caps netc_eth_get_capabilities(const struct device *dev);
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int netc_eth_set_config(const struct device *dev, enum ethernet_config_type type,
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const struct ethernet_config *config);
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#endif /* ZEPHYR_DRIVERS_ETHERNET_ETH_NXP_IMX_NETC_PRIV_H_ */
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