tbf/rlc: Move the marking of frames for resend into the v_b

1 files changed, 18 insertions, 0 deletions

diff --git a/src/rlc.cpp b/src/rlc.cpp
index 1a055468..f6b13623 100644
--- a/src/rlc.cpp
+++ b/src/rlc.cpp
@@ -50,3 +50,21 @@ int gprs_rlc_v_b::resend_needed(const uint16_t v_a, const uint16_t v_s,
 
 	return -1;
 }
+
+int gprs_rlc_v_b::mark_for_resend(const uint16_t v_a, const uint16_t v_s,
+				const uint16_t mod_sns,
+				const uint16_t mod_sns_half)
+{
+	int resend = 0;
+
+	for (uint8_t bsn = v_a; bsn != v_s; bsn = (bsn + 1) & mod_sns) {
+		uint16_t index = (bsn & mod_sns_half);
+		if (is_unacked(index)) {
+			/* mark to be re-send */
+			mark_resend(index);
+			resend += 1;
+		}
+	}
+
+	return resend;
+}