55 lines
2.4 KiB
C
55 lines
2.4 KiB
C
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/*
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* udpgen.h
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*
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* Created on: Aug 7, 2019
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* Author: mdziewiecki
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*/
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#ifndef UDPGEN_H_
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#define UDPGEN_H_
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//UDP_GENERATOR_0_BASE
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//byte offsets for registers
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#define UDPGEN_REG_CSR 0 //16 bits 8 bits command + 8 bits status
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#define UDPGEN_REG_SIZE 2 //16 bits payload size in words
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#define UDPGEN_REG_SRCIP 4 //32 bits source IP, last octet first
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#define UDPGEN_REG_DSTIP 8 //32 bits destination IP. last octet first
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#define UDPGEN_REG_DSTPORT 12 //16 bits destination port
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#define UDPGEN_REG_SRCPORT 14 //16 bits source port
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#define UDPGEN_REG_DSTMAC 16 //2*32 bits destination MAC, last octet first
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#define UDPGEN_REG_RES1 24 //32 bits reserved
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#define UDPGEN_REG_RES2 28 //32 bits reserved
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//csr bitmasks
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#define UDPGEN_CSR_EN_BITMASK 0x0001
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//Register access macros
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void udpgen_command_bit(alt_u32 base, alt_u8 bitmask, alt_u8 state);
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#define udpgen_command(base, val) IOWR_8DIRECT(base, UDPGEN_REG_CSR, val)
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#define udpgen_set_size(base, val) IOWR_16DIRECT(base, UDPGEN_REG_SIZE, val)
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#define udpgen_set_srcip(base, val) IOWR_32DIRECT(base, UDPGEN_REG_SRCIP, val)
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#define udpgen_set_dstip(base, val) IOWR_32DIRECT(base, UDPGEN_REG_DSTIP, val)
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#define udpgen_set_srcip_a(base, val) { for(int i = 0; i < 4; i++) IOWR_8DIRECT(base, UDPGEN_REG_SRCIP+i, val[3-i]); }
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#define udpgen_set_dstip_a(base, val) { for(int i = 0; i < 4; i++) IOWR_8DIRECT(base, UDPGEN_REG_DSTIP+i, val[3-i]); }
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#define udpgen_set_srcport(base, val) IOWR_16DIRECT(base, UDPGEN_REG_SRCPORT, val)
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#define udpgen_set_dstport(base, val) IOWR_16DIRECT(base, UDPGEN_REG_DSTPORT, val)
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#define udpgen_set_dstmac_a(base, val) { for(int i = 0; i < 6; i++) IOWR_8DIRECT(base, UDPGEN_REG_DSTMAC+i, val[5-i]); }
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#define udpgen_status(base) IORD_16DIRECT(base, UDPGEN_REG_CSR)
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#define udpgen_get_size(base, val) IORD_16DIRECT(base, UDPGEN_REG_SIZE)
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#define udpgen_get_srcip(base, val) IORD_32DIRECT(base, UDPGEN_REG_SRCIP)
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#define udpgen_get_dstip(base, val) IORD_32DIRECT(base, UDPGEN_REG_DSTIP)
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#define udpgen_get_srcport(base, val) IORD_16DIRECT(base, UDPGEN_REG_SRCPORT)
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#define udpgen_get_dstport(base, val) IORD_16DIRECT(base, UDPGEN_REG_DSTPORT)
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#define udpgen_get_dstmac(base, val) { for(int i = 0; i < 6; i++) val[i] = IORD_8DIRECT(base, UDPGEN_REG_DSTMAC+i); }
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//******************************************************
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void udpgen_test(alt_u32 base);
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#endif /* UDPGEN_H_ */
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