Commit 5ae509b2 authored by Sandeep Kumar's avatar Sandeep Kumar

if5_mobipass tools

parent 55c194b0
#include <stdint.h>
#include "PHY/defs.h"
#include "PHY/LTE_TRANSPORT/if5_mobipass_tools.h"
#include "targets/ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
uint8_t send_IF5(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, uint8_t init_seq) {
uint8_t seqno=init_seq;
void *txp[2];
void *tx_buffer=NULL;
__m128i *data_block=NULL,*main_data_block=NULL;
__m128i *txp128;
__m128i t0, t1;
uint16_t packet_id=0, i;
uint16_t db_fulllength = 640;
tx_buffer = memalign(16, MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + db_fulllength*sizeof(int16_t));
IF5_mobipass_header_t *header = (IF5_mobipass_header_t *)(tx_buffer + MAC_HEADER_SIZE_BYTES);
data_block = (__m128i *)(tx_buffer + MAC_HEADER_SIZE_BYTES + sizeof_IF5_mobipass_header_t + 4);
main_data_block = data_block;
header->flags = 0;
header->fifo_status = 0;
header->ack = 0;
header->seqno = seqno;
header->rsvd = 0;
txp[0] = (void*)&eNB->common_vars.txdata[0][0][proc->subframe_tx*eNB->frame_parms.samples_per_tti];
txp128 = (__m128i *) txp[0];
for (packet_id=0; packet_id<(7680*2)/640; packet_id++) {
header->time_stamp = proc->timestamp_tx + packet_id*640;
data_block = main_data_block;
for (i=0; i<db_fulllength>>3; i+=2) {
t0 = _mm_srli_epi16(*txp128++, 4);
t1 = _mm_srli_epi16(*txp128++, 4);
*data_block++ = _mm_packs_epi16(t0, t1);
}
// Write the packet to the fronthaul
if ((eNB->ifdevice.trx_write_func(&eNB->ifdevice,
packet_id,
&tx_buffer,
db_fulllength,
1,
IF5_MOBIPASS)) < 0) {
perror("ETHERNET write for IF5_MOBIPASS\n");
}
header->seqno += 1;
}
seqno = header->seqno;
free(tx_buffer);
return(seqno);
}
#include <stdint.h>
#include "PHY/defs.h"
#define IF5_MOBIPASS 0x0050
struct IF5_mobipass_header {
/// Type
uint16_t flags;
/// Sub-Type
uint16_t fifo_status;
/// Reserved
uint8_t seqno;
uint8_t ack;
uint32_t rsvd;
/// Frame Status
uint32_t time_stamp;
} __attribute__ ((__packed__));
typedef struct IF5_mobipass_header IF5_mobipass_header_t;
#define sizeof_IF5_mobipass_header_t 14
uint8_t send_IF5(PHY_VARS_eNB*, eNB_rxtx_proc_t*, uint8_t);
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