examples/l2fwd-keepalive: fix mbuf pool size

[dpdk.git] / examples / l2fwd-keepalive / main.c

diff --git a/examples/l2fwd-keepalive/main.c b/examples/l2fwd-keepalive/main.c
index 2ae5a3c..3248215 100644 (file)
--- a/examples/l2fwd-keepalive/main.c
+++ b/examples/l2fwd-keepalive/main.c
@@ -44,7 +44,7 @@
 
 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
 
-#define NB_MBUF   8192
+#define NB_MBUF_PER_PORT 3000
 
 #define MAX_PKT_BURST 32
 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
@@ -536,6 +536,7 @@ main(int argc, char **argv)
        uint16_t portid, last_port;
        unsigned lcore_id, rx_lcore_id;
        unsigned nb_ports_in_mask = 0;
+       unsigned int total_nb_mbufs;
        struct sigaction signal_handler;
        struct rte_keepalive_shm *ka_shm;
 
@@ -561,16 +562,19 @@ main(int argc, char **argv)
        if (ret < 0)
                rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
 
-       /* create the mbuf pool */
-       l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
-               0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
-       if (l2fwd_pktmbuf_pool == NULL)
-               rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
-
        nb_ports = rte_eth_dev_count_avail();
        if (nb_ports == 0)
                rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
 
+       /* create the mbuf pool */
+       total_nb_mbufs = NB_MBUF_PER_PORT * nb_ports;
+
+       l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool",
+               total_nb_mbufs, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
+               rte_socket_id());
+       if (l2fwd_pktmbuf_pool == NULL)
+               rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
+
        /* reset l2fwd_dst_ports */
        for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
                l2fwd_dst_ports[portid] = 0;