tbf: Add gprs_rlcmac_tbf::window() method

This method returns a gprs_rlc_window independently of the TBF's
direction.

Sponsored-by: On-Waves ehf

1 files changed, 12 insertions, 0 deletions

diff --git a/src/tbf.h b/src/tbf.h
index 11e1fc73..ab4145c2 100644
--- a/src/tbf.h
+++ b/src/tbf.h
@@ -107,6 +107,8 @@ struct gprs_rlcmac_tbf {
 	GprsMs *ms() const;
 	void set_ms(GprsMs *ms);
 
+	gprs_rlc_window *window();
+
 	uint8_t tsc() const;
 
 	int rlcmac_diag();
@@ -460,4 +462,14 @@ inline gprs_rlcmac_dl_tbf *as_dl_tbf(gprs_rlcmac_tbf *tbf)
 		return NULL;
 }
 
+inline gprs_rlc_window *gprs_rlcmac_tbf::window()
+{
+	switch (direction)
+	{
+	case GPRS_RLCMAC_UL_TBF: return &as_ul_tbf(this)->m_window;
+	case GPRS_RLCMAC_DL_TBF: return &as_dl_tbf(this)->m_window;
+	}
+	return NULL;
+}
+
 #endif