From: Lukasz Bartosik <lbarto...@marvell.com>

Add command line option -s which can be used to configure number
of buffers in a pool. Default number of buffers is 8192.

Signed-off-by: Anoob Joseph <ano...@marvell.com>
Signed-off-by: Lukasz Bartosik <lbarto...@marvell.com>
---
 examples/ipsec-secgw/ipsec-secgw.c | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/examples/ipsec-secgw/ipsec-secgw.c 
b/examples/ipsec-secgw/ipsec-secgw.c
index 7d844bb..a67ea0a 100644
--- a/examples/ipsec-secgw/ipsec-secgw.c
+++ b/examples/ipsec-secgw/ipsec-secgw.c
@@ -59,8 +59,6 @@ volatile bool force_quit;
 
 #define MEMPOOL_CACHE_SIZE 256
 
-#define NB_MBUF        (32000)
-
 #define CDEV_QUEUE_DESC 2048
 #define CDEV_MAP_ENTRIES 16384
 #define CDEV_MP_NB_OBJS 1024
@@ -162,6 +160,7 @@ static int32_t numa_on = 1; /**< NUMA is enabled by 
default. */
 static uint32_t nb_lcores;
 static uint32_t single_sa;
 static uint32_t schedule_type;
+static uint32_t nb_bufs_in_pool = 8192;
 
 /*
  * RX/TX HW offload capabilities to enable/use on ethernet ports.
@@ -1264,6 +1263,7 @@ print_usage(const char *prgname)
                " [-w REPLAY_WINDOW_SIZE]"
                " [-e]"
                " [-a]"
+               " [-s NUMBER_OF_MBUFS_IN_PKT_POOL]"
                " -f CONFIG_FILE"
                " --config (port,queue,lcore)[,(port,queue,lcore)]"
                " [--single-sa SAIDX]"
@@ -1285,6 +1285,7 @@ print_usage(const char *prgname)
                "     size for each SA\n"
                "  -e enables ESN\n"
                "  -a enables SA SQN atomic behaviour\n"
+               "  -s number of mbufs in packet pool (default 8192)\n"
                "  -f CONFIG_FILE: Configuration file\n"
                "  --config (port,queue,lcore): Rx queue configuration\n"
                "  --single-sa SAIDX: In poll mode use single SA index for\n"
@@ -1484,7 +1485,7 @@ parse_args(int32_t argc, char **argv, struct eh_conf 
*eh_conf)
 
        argvopt = argv;
 
-       while ((opt = getopt_long(argc, argvopt, "aelp:Pu:f:j:w:",
+       while ((opt = getopt_long(argc, argvopt, "aelp:Pu:f:j:w:s:",
                                lgopts, &option_index)) != EOF) {
 
                switch (opt) {
@@ -1518,6 +1519,19 @@ parse_args(int32_t argc, char **argv, struct eh_conf 
*eh_conf)
                        cfgfile = optarg;
                        f_present = 1;
                        break;
+
+               case 's':
+                       ret = parse_decimal(optarg);
+                       if (ret < 0) {
+                               printf("Invalid number of buffers in a pool: "
+                                       "%s\n", optarg);
+                               print_usage(prgname);
+                               return -1;
+                       }
+
+                       nb_bufs_in_pool = ret;
+                       break;
+
                case 'j':
                        ret = parse_decimal(optarg);
                        if (ret < RTE_MBUF_DEFAULT_BUF_SIZE ||
@@ -2753,11 +2767,12 @@ main(int32_t argc, char **argv)
                if (socket_ctx[socket_id].mbuf_pool)
                        continue;
 
-               pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
+               pool_init(&socket_ctx[socket_id], socket_id, nb_bufs_in_pool);
                session_pool_init(&socket_ctx[socket_id], socket_id, sess_sz);
                session_priv_pool_init(&socket_ctx[socket_id], socket_id,
                        sess_sz);
        }
+       printf("Number of mbufs in packet pool %d\n", nb_bufs_in_pool);
 
        RTE_ETH_FOREACH_DEV(portid) {
                if ((enabled_port_mask & (1 << portid)) == 0)
-- 
2.7.4

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