D30269.diff
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	diff --git a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c
	--- a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c
	+++ b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c
	@@ -104,6 +104,12 @@

	SYSCTL_NODE(_kern_icl, OID_AUTO, cxgbei, CTLFLAG_RD \| CTLFLAG_MPSAFE, 0,
	"Chelsio iSCSI offload");
	+static int first_burst_length = 8192;
	+SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, first_burst_length, CTLFLAG_RWTUN,
	+ &first_burst_length, 0, "First burst length");
	+static int max_burst_length = 2 * 1024 * 1024;
	+SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, max_burst_length, CTLFLAG_RWTUN,
	+ &max_burst_length, 0, "Maximum burst length");
	static int sendspace = 1048576;
	SYSCTL_INT(_kern_icl_cxgbei, OID_AUTO, sendspace, CTLFLAG_RWTUN,
	&sendspace, 0, "Default send socket buffer size");
	@@ -1206,8 +1212,8 @@
	idl->idl_max_send_data_segment_length = (1 << 24) - 1;

	/* These are somewhat arbitrary. */
	- idl->idl_max_burst_length = 2 * 1024 * 1024;
	- idl->idl_first_burst_length = 8192;
	+ idl->idl_max_burst_length = max_burst_length;
	+ idl->idl_first_burst_length = first_burst_length;

	t4_iterate(cxgbei_limits, idl);