Merge "gd hci: Handle overflow of acl credits" (be74cf8d) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/hci/acl_manager/round_robin_scheduler.cc

+16 −3

Original line number	Diff line number	Diff line
		@@ -205,14 +205,27 @@ void RoundRobinScheduler::incoming_acl_credits(uint16_t handle, uint16_t credits
		LOG_INFO("Dropping %hx received credits to unknown connection 0x%0hx", credits, handle);
		return;
		}

		if (acl_queue_handler->second.number_of_sent_packets_ >= credits) {
		acl_queue_handler->second.number_of_sent_packets_ -= credits;
		} else {
		LOG_WARN("receive more credits than we sent");
		acl_queue_handler->second.number_of_sent_packets_ = 0;
		}

		if (acl_queue_handler->second.connection_type_ == ConnectionType::CLASSIC) {
		acl_packet_credits_ += credits;
		if (acl_packet_credits_ > max_acl_packet_credits_) {
		acl_packet_credits_ = max_acl_packet_credits_;
		LOG_WARN("acl packet credits overflow due to receive %hx credits", credits);
		}
		} else {
		le_acl_packet_credits_ += credits;
		if (le_acl_packet_credits_ > le_max_acl_packet_credits_) {
		le_acl_packet_credits_ = le_max_acl_packet_credits_;
		LOG_WARN("le acl packet credits overflow due to receive %hx credits", credits);
		}
		}
		ASSERT(acl_packet_credits_ <= max_acl_packet_credits_);
		ASSERT(le_acl_packet_credits_ <= le_max_acl_packet_credits_);
		if (acl_packet_credits_ == credits \|\| le_acl_packet_credits_ == credits) {
		start_round_robin();
		}