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tbf: Move the check if the window is stalled to a separate method

This commit is contained in:
Holger Hans Peter Freyther 2013-11-24 00:21:32 +01:00
parent 1577779526
commit c03e38291a
2 changed files with 8 additions and 2 deletions
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9
src/tbf.cpp
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@ -906,8 +906,7 @@ do_resend:
/* if the window has stalled, or transfer is complete,
* send an unacknowledged block */
if (state_is(GPRS_RLCMAC_FINISHED)
|| ((dir.dl.v_s - dir.dl.v_a) & mod_sns) == m_ws) {
if (state_is(GPRS_RLCMAC_FINISHED) || dl_window_stalled()) {
int resend = 0;
if (state_is(GPRS_RLCMAC_FINISHED)) {
@ -1859,3 +1858,9 @@ void gprs_rlcmac_tbf::reuse_tbf(const uint8_t *data, const uint16_t len)
tbf_name(this));
bts->trigger_dl_ass(this, this, NULL);
}
bool gprs_rlcmac_tbf::dl_window_stalled() const
{
const uint16_t mod_sns = m_sns - 1;
return ((dir.dl.v_s - dir.dl.v_a) & mod_sns) == m_ws;
}

1
src/tbf.h
View File

@ -241,6 +241,7 @@ struct gprs_rlcmac_tbf {
protected:
void reuse_tbf(const uint8_t *data, const uint16_t len);
gprs_rlcmac_bts *bts_data() const;
bool dl_window_stalled() const;
int append_data(const uint8_t ms_class,
const uint16_t pdu_delay_csec,