D4825.diff
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	Index: sys/netinet/tcp_lro.h
	===================================================================
	--- sys/netinet/tcp_lro.h
	+++ sys/netinet/tcp_lro.h
	@@ -79,6 +79,7 @@
	int lro_flushed;
	int lro_bad_csum;
	int lro_cnt;
	+ int lro_hiwat;

	struct lro_head lro_active;
	struct lro_head lro_free;
	Index: sys/netinet/tcp_lro.c
	===================================================================
	--- sys/netinet/tcp_lro.c
	+++ sys/netinet/tcp_lro.c
	@@ -77,6 +77,7 @@
	lc->lro_queued = 0;
	lc->lro_flushed = 0;
	lc->lro_cnt = 0;
	+ lc->lro_hiwat = 65535;
	SLIST_INIT(&lc->lro_free);
	SLIST_INIT(&lc->lro_active);

	@@ -501,7 +502,7 @@
	}

	/* Flush now if appending will result in overflow. */
	- if (le->p_len > (65535 - tcp_data_len)) {
	+ if (le->p_len > (lc->lro_hiwat - tcp_data_len)) {
	SLIST_REMOVE(&lc->lro_active, le, lro_entry, next);
	tcp_lro_flush(lc, le);
	break;
	@@ -559,7 +560,7 @@
	* If a possible next full length packet would cause an
	* overflow, pro-actively flush now.
	*/
	- if (le->p_len > (65535 - lc->ifp->if_mtu)) {
	+ if (le->p_len > (lc->lro_hiwat - lc->ifp->if_mtu)) {
	SLIST_REMOVE(&lc->lro_active, le, lro_entry, next);
	tcp_lro_flush(lc, le);
	} else