D27469.id80283.diff
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D27469.id80283.diff
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	Index: sys/dev/cxgbe/tom/t4_cpl_io.c
	===================================================================
	--- sys/dev/cxgbe/tom/t4_cpl_io.c
	+++ sys/dev/cxgbe/tom/t4_cpl_io.c
	@@ -721,6 +721,8 @@
	for (m = sndptr; m != NULL; m = m->m_next) {
	int n;

	+ if ((m->m_flags & M_NOTAVAIL) != 0)
	+ break;
	if (m->m_flags & M_EXTPG) {
	#ifdef KERN_TLS
	if (m->m_epg_tls != NULL) {
	@@ -803,8 +805,9 @@

	/* nothing to send */
	if (plen == 0) {
	- KASSERT(m == NULL,
	- ("%s: nothing to send, but m != NULL", __func__));
	+ KASSERT(m == NULL \|\| (m->m_flags & M_NOTAVAIL) != 0,
	+ ("%s: nothing to send, but m != NULL is ready",
	+ __func__));
	break;
	}

	@@ -892,7 +895,7 @@
	toep->txsd_avail--;

	t4_l2t_send(sc, wr, toep->l2te);
	- } while (m != NULL);
	+ } while (m != NULL && (m->m_flags & M_NOTAVAIL) == 0);

	/* Send a FIN if requested, but only if there's no more data to send */
	if (m == NULL && toep->flags & TPF_SEND_FIN)