mirror of
https://github.com/FreeRTOS/FreeRTOS-Plus-TCP
synced 2025-10-24 12:02:37 +08:00
4553edd116
* Change in UDP process flow to drop packet in case of invalid payload length for IPv4 * Uncrustify: triggered by comment. * Update FreeRTOS_IP.h --------- Co-authored-by: GitHub Action <action@github.com>
158 lines
4.8 KiB
C
158 lines
4.8 KiB
C
/*
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* Copyright (c) 2010-2013 Xilinx, Inc. All rights reserved.
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*
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* Xilinx, Inc.
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* XILINX IS PROVIDING THIS DESIGN, CODE, OR INFORMATION "AS IS" AS A
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* COURTESY TO YOU. BY PROVIDING THIS DESIGN, CODE, OR INFORMATION AS
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* ONE POSSIBLE IMPLEMENTATION OF THIS FEATURE, APPLICATION OR
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* STANDARD, XILINX IS MAKING NO REPRESENTATION THAT THIS IMPLEMENTATION
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* IS FREE FROM ANY CLAIMS OF INFRINGEMENT, AND YOU ARE RESPONSIBLE
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* FOR OBTAINING ANY RIGHTS YOU MAY REQUIRE FOR YOUR IMPLEMENTATION.
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* XILINX EXPRESSLY DISCLAIMS ANY WARRANTY WHATSOEVER WITH RESPECT TO
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* THE ADEQUACY OF THE IMPLEMENTATION, INCLUDING BUT NOT LIMITED TO
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* ANY WARRANTIES OR REPRESENTATIONS THAT THIS IMPLEMENTATION IS FREE
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* FROM CLAIMS OF INFRINGEMENT, IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __NETIF_XEMACPSIF_H__
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#define __NETIF_XEMACPSIF_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "xstatus.h"
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#include "xparameters.h"
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#include "xparameters_ps.h" /* defines XPAR values */
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#include "xil_types.h"
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#include "xil_assert.h"
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#include "xil_io.h"
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#include "xil_exception.h"
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#include "xpseudo_asm.h"
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#include "xil_cache.h"
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#include "xuartps.h"
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#include "xscugic.h"
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#include "xemacps.h" /* defines XEmacPs API */
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#define XPAR_PS7_ETHERNET_1_DEVICE_ID 1
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#define XPAR_PS7_ETHERNET_1_BASEADDR 0xE000C000
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extern XEmacPs_Config mac_configs[ XPAR_XEMACPS_NUM_INSTANCES ];
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void xemacpsif_setmac( uint32_t index,
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uint8_t * addr );
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uint8_t * xemacpsif_getmac( uint32_t index );
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#ifdef NOTNOW_BHILL
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unsigned get_IEEE_phy_speed( XLlTemac * xlltemacp );
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#endif
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/* xaxiemacif_hw.c */
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void xemacps_error_handler( XEmacPs * Temac );
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struct xBD_TYPE
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{
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uint32_t address;
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uint32_t flags;
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};
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/*
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* Missing declaration in 'src/xemacps_hw.h' :
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* When set, the GEM DMA will automatically
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* discard receive packets from the receiver packet
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* buffer memory when no AHB resource is
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* available.
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* When low, then received packets will remain to be
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* stored in the SRAM based packet buffer until
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* AHB buffer resource next becomes available.
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*/
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#define XEMACPS_DMACR_DISC_WHEN_NO_AHB_MASK 0x01000000
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#define EMAC_IF_RX_EVENT 1
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#define EMAC_IF_TX_EVENT 2
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#define EMAC_IF_ERR_EVENT 4
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#define EMAC_IF_ALL_EVENT 7
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/* structure within each netif, encapsulating all information required for
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* using a particular temac instance
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*/
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typedef struct
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{
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XEmacPs emacps;
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/* pointers to memory holding buffer descriptors (used only with SDMA) */
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struct xBD_TYPE * rxSegments;
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struct xBD_TYPE * txSegments;
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unsigned char * tx_space;
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unsigned uTxUnitSize;
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char * remain_mem;
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unsigned remain_siz;
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volatile int rxHead, rxTail;
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volatile int txHead, txTail;
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volatile int txBusy;
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volatile uint32_t isr_events;
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unsigned int last_rx_frms_cntr;
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} xemacpsif_s;
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/*extern xemacpsif_s xemacpsif; */
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int is_tx_space_available( xemacpsif_s * emac );
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/* xaxiemacif_dma.c */
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struct xNETWORK_BUFFER;
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int emacps_check_rx( xemacpsif_s * xemacpsif,
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NetworkInterface_t * pxInterface );
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void emacps_check_tx( xemacpsif_s * xemacpsif );
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int emacps_check_errors( xemacpsif_s * xemacps );
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void emacps_set_rx_buffers( xemacpsif_s * xemacpsif,
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u32 ulCount );
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extern XStatus emacps_send_message( xemacpsif_s * xemacpsif,
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struct xNETWORK_BUFFER * pxBuffer,
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int iReleaseAfterSend );
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extern unsigned Phy_Setup( XEmacPs * xemacpsp );
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extern void setup_isr( xemacpsif_s * xemacpsif );
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extern XStatus init_dma( xemacpsif_s * xemacpsif );
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extern void start_emacps( xemacpsif_s * xemacpsif );
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void EmacEnableIntr( int xEMACIndex );
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void EmacDisableIntr( int xEMACIndex );
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XStatus init_axi_dma( xemacpsif_s * xemacpsif );
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void process_sent_bds( xemacpsif_s * xemacpsif );
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void emacps_send_handler( void * arg );
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void emacps_recv_handler( void * arg );
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void emacps_error_handler( void * arg,
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u8 Direction,
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u32 ErrorWord );
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void HandleTxErrors( xemacpsif_s * xemacpsif );
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XEmacPs_Config * xemacps_lookup_config( unsigned mac_base );
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void clean_dma_txdescs( xemacpsif_s * xemacpsif );
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void resetrx_on_no_rxdata( xemacpsif_s * xemacpsif );
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/**
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* @brief Initialise the interface number 'xIndex'. Do not call directly.
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*/
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void vInitialiseOnIndex( BaseType_t xIndex );
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#ifdef __cplusplus
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}
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#endif
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#endif /* __NETIF_XAXIEMACIF_H__ */
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