examples/l3fwd: add switch fall-through comments

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>

diff --git a/examples/l3fwd/l3fwd_lpm_sse.h b/examples/l3fwd/l3fwd_lpm_sse.h
index aa06b6d34346ca98a8c263656583531660e3ec26..e92814b10a1fd631cb4e1dce50d5c92ad98dbe4e 100644 (file)
--- 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 1afa1f006b087062a8382ec72dcc8f7e9a71c4b4..fa9c4829d6276773ec970879831d521f4a05d46d 100644 (file)
--- 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);