net: l2: ppp: Terminate connection with dormant (93c3975f) · Commits · Wenxi XU / zephyr

When PPP net_if is changed to dormant, the PPP connection is terminated asynchronously. This is used so that the driver can terminate the PPP connection gracefully. Note: net_if_down() is not used as it would require synchronous operation which would block the system workqueue thus causing deadlock. Signed-off-by:

Markus Lassila <markus.lassila@nordicsemi.no>

subsys/net/l2/ppp/ppp_l2.c

+17 −0

Changes for subsys/net/l2/ppp/ppp_l2.c: 17 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -238,6 +238,19 @@ static int ppp_up(struct net_if *iface)
		return 0;
		}

		static void ppp_lcp_close_async(struct ppp_context *ctx)
		{
		if (ppp_lcp == NULL) {
		ppp_change_phase(ctx, PPP_DEAD);
		}

		if (ctx->phase == PPP_DEAD) {
		return;
		}

		ppp_lcp->close(ctx, "L2 Disabled");
		}

		static int ppp_lcp_close(struct ppp_context *ctx)
		{
		if (ppp_lcp == NULL) {
		@@ -486,6 +499,10 @@ static void net_ppp_mgmt_evt_handler(struct net_mgmt_event_callback *cb, uint32_
		if ((mgmt_event == NET_EVENT_IF_DOWN) && (!net_if_is_carrier_ok(iface))) {
		ppp_lcp_lower_down_async(ctx);
		}
		if ((mgmt_event == NET_EVENT_IF_DOWN && net_if_is_carrier_ok(iface) &&
		net_if_is_dormant(iface))) {
		ppp_lcp_close_async(ctx);
		}
		}

		void net_ppp_init(struct net_if *iface)

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