One line of commented code was dead code, this line and related
comments are removed. Naming of rx,RX and tx,TX are replaced by Rx and
Tx.

Signed-off-by: Abdullah Ömer Yamaç <omer.ya...@ceng.metu.edu.tr>
---
CC: Thomas Monjalon <tho...@monjalon.net>
---
 examples/distributor/main.c | 51 +++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 28 deletions(-)

diff --git a/examples/distributor/main.c b/examples/distributor/main.c
index 21304d6618..d54e241110 100644
--- a/examples/distributor/main.c
+++ b/examples/distributor/main.c
@@ -104,7 +104,7 @@ struct output_buffer {
 static void print_stats(void);
 
 /*
- * Initialises a given port using global settings and with the rx buffers
+ * Initialises a given port using global settings and with the Rx buffers
  * coming from the mbuf_pool passed as parameter
  */
 static inline int
@@ -259,12 +259,7 @@ lcore_rx(struct lcore_params *p)
                }
                app_stats.rx.rx_pkts += nb_rx;
 
-               /*
-                * Swap the following two lines if you want the rx traffic
-                * to go directly to tx, no distribution.
-                */
                struct rte_ring *out_ring = p->rx_dist_ring;
-               /* struct rte_ring *out_ring = p->dist_tx_ring; */
 
                uint16_t sent = rte_ring_enqueue_burst(out_ring,
                                (void *)bufs, nb_rx, NULL);
@@ -282,7 +277,7 @@ lcore_rx(struct lcore_params *p)
        }
        if (power_lib_initialised)
                rte_power_exit(rte_lcore_id());
-       printf("\nCore %u exiting rx task.\n", rte_lcore_id());
+       printf("\nCore %u exiting Rx task.\n", rte_lcore_id());
        /* set distributor threads quit flag */
        quit_signal_dist = 1;
        return 0;
@@ -305,11 +300,11 @@ lcore_rx_and_distributor(struct lcore_params *p)
                if (rte_eth_dev_socket_id(port) > 0 &&
                                rte_eth_dev_socket_id(port) != socket_id)
                        printf("WARNING, port %u is on remote NUMA node to "
-                                       "RX thread.\n\tPerformance will not "
+                                       "Rx thread.\n\tPerformance will not "
                                        "be optimal.\n", port);
        }
 
-       printf("\nCore %u doing packet RX and Distributor.\n", rte_lcore_id());
+       printf("\nCore %u doing packet Rx and Distributor.\n", rte_lcore_id());
        port = 0;
        while (!quit_signal_rx) {
 
@@ -329,8 +324,8 @@ lcore_rx_and_distributor(struct lcore_params *p)
                app_stats.rx.rx_pkts += nb_rx;
 
                /*
-                * Run the distributor on the rx core. Returned
-                * packets are then send straight to the tx core.
+                * Run the distributor on the Rx core. Returned
+                * packets are then send straight to the Tx core.
                 */
                rte_distributor_process(d, bufs, nb_rx);
                const uint16_t nb_ret = rte_distributor_returned_pkts(d,
@@ -360,8 +355,8 @@ lcore_rx_and_distributor(struct lcore_params *p)
        }
        if (power_lib_initialised)
                rte_power_exit(rte_lcore_id());
-       printf("\nCore %u exiting rx task.\n", rte_lcore_id());
-       /* set tx threads quit flag */
+       printf("\nCore %u exiting Rx task.\n", rte_lcore_id());
+       /* set Tx threads quit flag */
        quit_signal = 1;
        /* set worker threads quit flag */
        quit_signal_work = 1;
@@ -448,7 +443,7 @@ lcore_distributor(struct lcore_params *p)
        if (power_lib_initialised)
                rte_power_exit(rte_lcore_id());
        printf("\nCore %u exiting distributor task.\n", rte_lcore_id());
-       /* set tx threads quit flag */
+       /* set Tx threads quit flag */
        quit_signal = 1;
        /* set worker threads quit flag */
        quit_signal_work = 1;
@@ -524,7 +519,7 @@ lcore_tx(struct rte_ring *in_r)
        }
        if (power_lib_initialised)
                rte_power_exit(rte_lcore_id());
-       printf("\nCore %u exiting tx task.\n", rte_lcore_id());
+       printf("\nCore %u exiting Tx task.\n", rte_lcore_id());
        return 0;
 }
 
@@ -532,7 +527,7 @@ static void
 int_handler(int sig_num)
 {
        printf("Exiting on signal %d\n", sig_num);
-       /* set quit flag for rx thread to exit */
+       /* set quit flag for Rx thread to exit */
        quit_signal_rx = 1;
 }
 
@@ -698,7 +693,7 @@ print_usage(const char *prgname)
 {
        printf("%s [EAL options] -- -p PORTMASK [-c]\n"
                        "  -p PORTMASK: hexadecimal bitmask of ports to 
configure\n"
-                       "  -c: Combines the RX core with the distribution 
core\n",
+                       "  -c: Combines the Rx core with the distribution 
core\n",
                        prgname);
 }
 
@@ -798,11 +793,11 @@ main(int argc, char *argv[])
                rte_exit(EXIT_FAILURE, "Invalid distributor parameters\n");
 
        if (enable_lcore_rx_distributor) {
-       /* RX and distributor combined, 3 fixed function cores (stat, TX, at 
least 1 worker) */
+       /* Rx and distributor combined, 3 fixed function cores (stat, TX, at 
least 1 worker) */
                min_cores = 4;
                num_workers = rte_lcore_count() - 3;
        } else {
-       /* separate RX and distributor, 3 fixed function cores (stat, TX, at 
least 1 worker) */
+       /* separate Rx and distributor, 3 fixed function cores (stat, TX, at 
least 1 worker) */
                min_cores = 5;
                num_workers = rte_lcore_count() - 4;
        }
@@ -811,8 +806,8 @@ main(int argc, char *argv[])
                rte_exit(EXIT_FAILURE, "Error, This application needs at "
                                "least 4 logical cores to run:\n"
                                "1 lcore for stats (can be core 0)\n"
-                               "1 or 2 lcore for packet RX and distribution\n"
-                               "1 lcore for packet TX\n"
+                               "1 or 2 lcore for packet Rx and distribution\n"
+                               "1 lcore for packet Tx\n"
                                "and at least 1 lcore for worker threads\n");
 
        if (init_power_library() == 0)
@@ -875,7 +870,7 @@ main(int argc, char *argv[])
 
        if (power_lib_initialised) {
                /*
-                * Here we'll pre-assign lcore ids to the rx, tx and
+                * Here we'll pre-assign lcore ids to the rx, Tx and
                 * distributor workloads if there's higher frequency
                 * on those cores e.g. if Turbo Boost is enabled.
                 * It's also worth mentioning that it will assign cores in a
@@ -939,18 +934,18 @@ main(int argc, char *argv[])
        }
 
        if (enable_lcore_rx_distributor)
-               printf(" tx id %d, rx id %d\n",
+               printf(" Tx id %d, Rx id %d\n",
                        tx_core_id,
                        rx_core_id);
        else
-               printf(" tx id %d, dist id %d, rx id %d\n",
+               printf(" Tx id %d, dist id %d, Rx id %d\n",
                        tx_core_id,
                        distr_core_id,
                        rx_core_id);
 
        /*
         * Kick off all the worker threads first, avoiding the pre-assigned
-        * lcore_ids for tx, rx and distributor workloads.
+        * lcore_ids for Tx, Rx and distributor workloads.
         */
        RTE_LCORE_FOREACH_WORKER(lcore_id) {
                if (lcore_id == (unsigned int)distr_core_id ||
@@ -970,7 +965,7 @@ main(int argc, char *argv[])
                                p, lcore_id);
        }
 
-       /* Start tx core */
+       /* Start Tx core */
        rte_eal_remote_launch((lcore_function_t *)lcore_tx,
                        dist_tx_ring, tx_core_id);
 
@@ -978,7 +973,7 @@ main(int argc, char *argv[])
        struct lcore_params *pd = NULL;
        if (!enable_lcore_rx_distributor) {
                pd = rte_malloc(NULL, sizeof(*pd), 0);
-               if (!pd)
+               if (pd == NULL)
                        rte_panic("malloc failure\n");
                *pd = (struct lcore_params){worker_id++, d,
                        rx_dist_ring, dist_tx_ring, mbuf_pool};
@@ -986,7 +981,7 @@ main(int argc, char *argv[])
                                pd, distr_core_id);
        }
 
-       /* Start rx core */
+       /* Start Rx core */
        struct lcore_params *pr =
                rte_malloc(NULL, sizeof(*pr), 0);
        if (!pr)
-- 
2.27.0

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