[dpdk-dev] [PATCH 1/4] examples/l3fwd: add switch fall-through comments

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

This fixes compiler warnings with GCC 7.1.1

Fixes: 268888b5b020 ("examples/l3fwd: modularize")
Fixes: 94c54b4158d5 ("examples/l3fwd: rework exact-match")
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
 examples/l3fwd/l3fwd_lpm_sse.h | 2 ++
 examples/l3fwd/l3fwd_sse.h     | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/examples/l3fwd/l3fwd_lpm_sse.h b/examples/l3fwd/l3fwd_lpm_sse.h
index aa06b6d34..e92814b10 100644
--- a/examples/l3fwd/l3fwd_lpm_sse.h
+++ b/examples/l3fwd/l3fwd_lpm_sse.h
@@ -199,9 +199,11 @@ l3fwd_lpm_send_packets(int nb_rx, struct rte_mbuf **pkts_burst,
 	case 3:
 		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
 		j++;
+		/* fall-through */
 	case 2:
 		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
 		j++;
+		/* fall-through */
 	case 1:
 		dst_port[j] = lpm_get_dst_port(qconf, pkts_burst[j], portid);
 		j++;
diff --git a/examples/l3fwd/l3fwd_sse.h b/examples/l3fwd/l3fwd_sse.h
index 1afa1f006..fa9c4829d 100644
--- a/examples/l3fwd/l3fwd_sse.h
+++ b/examples/l3fwd/l3fwd_sse.h
@@ -349,12 +349,15 @@ send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
 	case 0:
 		qconf->tx_mbufs[port].m_table[len + j] = m[j];
 		j++;
+		/* fall-through */
 	case 3:
 		qconf->tx_mbufs[port].m_table[len + j] = m[j];
 		j++;
+		/* fall-through */
 	case 2:
 		qconf->tx_mbufs[port].m_table[len + j] = m[j];
 		j++;
+		/* fall-through */
 	case 1:
 		qconf->tx_mbufs[port].m_table[len + j] = m[j];
 		j++;
@@ -376,12 +379,15 @@ send_packetsx4(struct lcore_conf *qconf, uint8_t port, struct rte_mbuf *m[],
 		case 0:
 			qconf->tx_mbufs[port].m_table[j] = m[n + j];
 			j++;
+			/* fall-through */
 		case 3:
 			qconf->tx_mbufs[port].m_table[j] = m[n + j];
 			j++;
+			/* fall-through */
 		case 2:
 			qconf->tx_mbufs[port].m_table[j] = m[n + j];
 			j++;
+			/* fall-through */
 		case 1:
 			qconf->tx_mbufs[port].m_table[j] = m[n + j];
 			j++;
@@ -464,10 +470,12 @@ send_packets_multi(struct lcore_conf *qconf, struct rte_mbuf **pkts_burst,
 		process_packet(pkts_burst[j], dst_port + j);
 		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
 		j++;
+		/* fall-through */
 	case 2:
 		process_packet(pkts_burst[j], dst_port + j);
 		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
 		j++;
+		/* fall-through */
 	case 1:
 		process_packet(pkts_burst[j], dst_port + j);
 		GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
-- 
2.13.0