diff options
author | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2015-03-20 14:53:54 +0100 |
---|---|---|
committer | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2015-03-25 12:12:27 +0100 |
commit | 005ee7f8626d4733e8fa01f3589154287ed163ed (patch) | |
tree | 2750793d56cf9eac54f5e66933f7a716162e7086 /src/tbf.h | |
parent | 2493c660e9cbede4ac43f2584c0a8e6d8625e1dd (diff) |
tbf: Add frames_since_last_poll method
This functions calculates the number of frames that have passed since
the last DL poll (RRBP flag set) has been sent. It returns a value
less than zero (fn_now - fn_sched) if the block has been scheduled but
not yet sent.
If the function is called before the first data block has been sent
it will return -1.
If the function is called before the first DL poll is sent, it
returns the number of frames since the first data block has been
sent.
Sponsored-by: On-Waves ehf
Diffstat (limited to 'src/tbf.h')
-rw-r--r-- | src/tbf.h | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -325,6 +325,7 @@ struct gprs_rlcmac_dl_tbf : public gprs_rlcmac_tbf { void request_dl_ack(); bool need_control_ts() const; bool have_data() const; + int frames_since_last_poll(unsigned fn) const; bool is_control_ts(uint8_t ts) const { return ts == control_ts; @@ -342,6 +343,7 @@ struct gprs_rlcmac_dl_tbf : public gprs_rlcmac_tbf { int32_t m_tx_counter; /* count all transmitted blocks */ uint8_t m_wait_confirm; /* wait for CCCH IMM.ASS cnf */ bool m_dl_ack_requested; + int32_t m_last_dl_poll_fn; struct { struct timeval dl_bw_tv; /* timestamp for dl bw calculation */ |