[dpdk-dev] [PATCH v5 3/8] app/testpmd: dump Rx flags in csum engine

Olivier Matz olivier.matz at 6wind.com
Fri Oct 7 18:05:13 CEST 2016


Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
 app/test-pmd/csumonly.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c
index 5ca5702..e7ee0b3 100644
--- a/app/test-pmd/csumonly.c
+++ b/app/test-pmd/csumonly.c
@@ -640,7 +640,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 	uint16_t nb_rx;
 	uint16_t nb_tx;
 	uint16_t i;
-	uint64_t ol_flags;
+	uint64_t rx_ol_flags, tx_ol_flags;
 	uint16_t testpmd_ol_flags;
 	uint32_t retry;
 	uint32_t rx_bad_ip_csum;
@@ -680,13 +680,14 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 			rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[i + 1],
 						       void *));
 
-		ol_flags = 0;
-		info.is_tunnel = 0;
 		m = pkts_burst[i];
+		info.is_tunnel = 0;
+		tx_ol_flags = 0;
+		rx_ol_flags = m->ol_flags;
 
 		/* Update the L3/L4 checksum error packet statistics */
-		rx_bad_ip_csum += ((m->ol_flags & PKT_RX_IP_CKSUM_BAD) != 0);
-		rx_bad_l4_csum += ((m->ol_flags & PKT_RX_L4_CKSUM_BAD) != 0);
+		rx_bad_ip_csum += ((rx_ol_flags & PKT_RX_IP_CKSUM_BAD) != 0);
+		rx_bad_l4_csum += ((rx_ol_flags & PKT_RX_L4_CKSUM_BAD) != 0);
 
 		/* step 1: dissect packet, parsing optional vlan, ip4/ip6, vxlan
 		 * and inner headers */
@@ -737,13 +738,13 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 		 * is configured, prepare the mbuf for TCP segmentation. */
 
 		/* process checksums of inner headers first */
-		ol_flags |= process_inner_cksums(l3_hdr, &info, testpmd_ol_flags);
+		tx_ol_flags |= process_inner_cksums(l3_hdr, &info, testpmd_ol_flags);
 
 		/* Then process outer headers if any. Note that the software
 		 * checksum will be wrong if one of the inner checksums is
 		 * processed in hardware. */
 		if (info.is_tunnel == 1) {
-			ol_flags |= process_outer_cksums(outer_l3_hdr, &info,
+			tx_ol_flags |= process_outer_cksums(outer_l3_hdr, &info,
 				testpmd_ol_flags);
 		}
 
@@ -777,7 +778,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 			m->l4_len = info.l4_len;
 		}
 		m->tso_segsz = info.tso_segsz;
-		m->ol_flags = ol_flags;
+		m->ol_flags = tx_ol_flags;
 
 		/* Do split & copy for the packet. */
 		if (tx_pkt_split != TX_PKT_SPLIT_OFF) {
@@ -797,10 +798,11 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)
 			printf("mbuf=%p, pkt_len=%u, nb_segs=%hhu:\n",
 				m, m->pkt_len, m->nb_segs);
 			/* dump rx parsed packet info */
+			rte_get_rx_ol_flag_list(rx_ol_flags, buf, sizeof(buf));
 			printf("rx: l2_len=%d ethertype=%x l3_len=%d "
-				"l4_proto=%d l4_len=%d\n",
+				"l4_proto=%d l4_len=%d flags=%s\n",
 				info.l2_len, rte_be_to_cpu_16(info.ethertype),
-				info.l3_len, info.l4_proto, info.l4_len);
+				info.l3_len, info.l4_proto, info.l4_len, buf);
 			if (info.is_tunnel == 1)
 				printf("rx: outer_l2_len=%d outer_ethertype=%x "
 					"outer_l3_len=%d\n", info.outer_l2_len,
-- 
2.8.1



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