net/lapb: fix t1 timer handling for LAPB_STATE_0 (62480b99) · Commits · 戴 / test

1. DTE interface changes immediately to LAPB_STATE_1 and start sending SABM(E). 2. DCE interface sends N2-times DM and changes to LAPB_STATE_1 afterwards if there is no response in the meantime. Signed-off-by:

Martin Schiller <ms@dev.tdt.de> Signed-off-by:

Jakub Kicinski <kuba@kernel.org>

net/lapb/lapb_timer.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -85,11 +85,18 @@ static void lapb_t1timer_expiry(struct timer_list *t)
		switch (lapb->state) {

		/*
		* If we are a DCE, keep going DM .. DM .. DM
		* If we are a DCE, send DM up to N2 times, then switch to
		* STATE_1 and send SABM(E).
		*/
		case LAPB_STATE_0:
		if (lapb->mode & LAPB_DCE)
		if (lapb->mode & LAPB_DCE &&
		lapb->n2count != lapb->n2) {
		lapb->n2count++;
		lapb_send_control(lapb, LAPB_DM, LAPB_POLLOFF, LAPB_RESPONSE);
		} else {
		lapb->state = LAPB_STATE_1;
		lapb_establish_data_link(lapb);
		}
		break;

		/*

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