# HG changeset patch
# Parent  0445aff7b819ac368fbd655531c70852d4e0bf2f

diff -r 0445aff7b819 sys/dev/cxgbe/t4_sge.c
--- a/sys/dev/cxgbe/t4_sge.c	Fri Dec 12 12:49:57 2014 -0800
+++ b/sys/dev/cxgbe/t4_sge.c	Fri Dec 12 13:08:48 2014 -0800
@@ -37,6 +37,7 @@
 #include <sys/socket.h>
 #include <sys/kernel.h>
 #include <sys/kdb.h>
+#include <sys/ktr.h>
 #include <sys/malloc.h>
 #include <sys/queue.h>
 #include <sys/sbuf.h>
@@ -1583,6 +1584,11 @@ get_scatter_segment(struct adapter *sc, 
 		MPASS(fl->rx_offset == 0);	/* not packing */
 	}
 
+	if (fr_offset == 0) {
+		CTR4(KTR_CXGBE, "  FRAME: total %d, fl->cidx %d, "
+		    "fl->rx_offset %d, sd->nmbuf %d", remaining, fl->cidx,
+		    fl->rx_offset, sd->nmbuf);
+	}
 
 	if (sc->sc_do_rxcopy && len < RX_COPY_THRESHOLD) {
 
@@ -1602,6 +1608,10 @@ get_scatter_segment(struct adapter *sc, 
 		/* copy data to mbuf */
 		bcopy(payload, mtod(m, caddr_t), len);
 
+		CTR6(KTR_CXGBE, "RX_COPY: mbuf %p, payload %p, len %d, "
+		    "buflen %d, fl->cidx %d, fl->rx_offset %d", m, payload, len,
+		    blen, fl->cidx, fl->rx_offset);
+
 	} else if (sd->nmbuf * MSIZE < cll->region1) {
 
 		/*
@@ -1620,6 +1630,9 @@ get_scatter_segment(struct adapter *sc, 
 		    swz->zone, sd->cl);
 		if (sd->nmbuf++ == 0)
 			counter_u64_add(extfree_refs, 1);
+		CTR6(KTR_CXGBE, " INLINE: mbuf %p, payload %p, len %d, "
+		    "buflen %d, fl->cidx %d, fl->rx_offset %d", m, payload, len,
+		    blen, fl->cidx, fl->rx_offset);
 
 	} else {
 
@@ -1638,9 +1651,15 @@ get_scatter_segment(struct adapter *sc, 
 			    rxb_free, swz->zone, sd->cl);
 			if (sd->nmbuf++ == 0)
 				counter_u64_add(extfree_refs, 1);
+			CTR6(KTR_CXGBE, "ZMB_EXT: mbuf %p, payload %p, len %d,"
+			    " buflen %d, fl->cidx %d, fl->rx_offset %d", m,
+			    payload, len, blen, fl->cidx, fl->rx_offset);
 		} else {
 			m_cljset(m, sd->cl, swz->type);
 			sd->cl = NULL;	/* consumed, not a recycle candidate */
+			CTR6(KTR_CXGBE, "ZMB_EXT: mbuf %p, payload %p, len %d,"
+			    " buflen %d, fl->cidx %d, fl->rx_offset %d", m,
+			    payload, len, blen, fl->cidx, fl->rx_offset);
 		}
 	}
 	if (fr_offset == 0)
@@ -1723,6 +1742,14 @@ get_segment:
 	}
 	*pnext = NULL;
 
+	if (1) {
+		caddr_t eth = mtod(m0, char *) + fl_pktshift;
+
+		if (!ETHER_IS_MULTICAST(eth) && (eth[0] != 0 || eth[1] != 7 ||
+		    eth[2] != 0x43))
+			panic("m0 %p", m0);
+	}
+
 	return (m0);
 }