91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
#pragma once
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/rate_ctr.h>
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#include <osmocom/core/stat_item.h>
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#include <osmocom/octoi/e1oip_proto.h>
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#include "frame_fifo.h"
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#include "frame_rifo.h"
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#define iline_ctr_add(iline, idx, add) rate_ctr_add(rate_ctr_group_get_ctr((iline)->ctrs, idx), add)
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#define iline_stat_set(iline, idx, add) \
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osmo_stat_item_set(osmo_stat_item_group_get_item((iline)->stats, idx), add)
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#define FRAMES_PER_SEC_THRESHOLD 7500
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#define DEFAULT_BATCHING_FACTOR 32
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#define DEFAULT_PREFILL_FRAME_COUNT 200 /* 25ms */
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enum e1oip_line_ctr {
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LINE_CTR_E1oIP_UNDERRUN,
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LINE_CTR_E1oIP_SUBSTITUTED,
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LINE_CTR_E1oIP_E1T_OVERFLOW,
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LINE_CTR_E1oIP_E1O_OVERFLOW,
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LINE_CTR_E1oIP_RX_OUT_OF_ORDER,
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LINE_CTR_E1oIP_RX_OUT_OF_WIN,
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LINE_CTR_E1oIP_CONNECT_ACCEPT,
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LINE_CTR_E1oIP_RX_BYTES,
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LINE_CTR_E1oIP_RX_PACKETS,
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LINE_CTR_E1oIP_TX_BYTES,
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LINE_CTR_E1oIP_TX_PACKETS,
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};
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enum e1oip_line_stat {
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LINE_STAT_E1oIP_RTT,
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LINE_STAT_E1oIP_E1O_FIFO,
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LINE_STAT_E1oIP_E1T_FIFO,
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LINE_STAT_E1oIP_E1O_TS,
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LINE_STAT_E1oIP_E1T_TS,
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};
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struct octoi_peer;
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struct e1oip_line {
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/* back-pointer */
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struct octoi_peer *peer;
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struct rate_ctr_group *ctrs;
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struct osmo_stat_item_group *stats;
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/* configuration data */
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struct {
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uint8_t batching_factor;
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uint32_t prefill_frame_count;
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} cfg;
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/* E1 originated side (E1->IP) */
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struct {
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struct frame_fifo fifo;
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uint8_t last_frame[BYTES_PER_FRAME]; /* last frame on the E1 side */
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uint16_t next_seq;
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} e1o;
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/* E1 terminated side (E1<-IP) */
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struct {
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struct frame_rifo rifo;
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uint8_t last_frame[BYTES_PER_FRAME]; /* last frame on the E1 side */
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uint32_t next_fn32; /* next expected frame number */
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bool primed_rx_tdm; /* Was RX RIFO primed */
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} e1t;
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/* TODO: statistics (RTT, frame loss, std deviation, alarms */
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};
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/* get the rate of the given counter during the last second */
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static inline uint64_t iline_ctr_get_rate_1s(struct e1oip_line *iline, unsigned int idx)
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{
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const struct rate_ctr *ctr = rate_ctr_group_get_ctr(iline->ctrs, idx);
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return ctr->intv[RATE_CTR_INTV_SEC].rate;
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}
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struct e1oip_line *e1oip_line_alloc(struct octoi_peer *peer);
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void e1oip_line_set_name(struct e1oip_line *line, const char *name);
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void e1oip_line_reset(struct e1oip_line *iline);
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void e1oip_line_configure(struct e1oip_line *iline, uint8_t batching_factor,
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uint32_t prefill_frame_count);
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void e1oip_line_destroy(struct e1oip_line *iline);
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int e1oip_rcvmsg_tdm_data(struct e1oip_line *iline, struct msgb *msg);
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