Not all hardware can change MTU size from ODP application.
Remove this API 1.0 release.

Signed-off-by: Maxim Uvarov <[email protected]>
---
 example/packet/odp_pktio.c                         | 27 --------------
 platform/linux-generic/include/api/odp_packet_io.h | 13 -------
 platform/linux-generic/odp_packet_io.c             | 42 ----------------------
 3 files changed, 82 deletions(-)

diff --git a/example/packet/odp_pktio.c b/example/packet/odp_pktio.c
index a323ec2..0a38ec2 100644
--- a/example/packet/odp_pktio.c
+++ b/example/packet/odp_pktio.c
@@ -70,7 +70,6 @@ typedef struct {
        char **if_names;        /**< Array of pointers to interface names */
        int mode;               /**< Packet IO mode */
        odp_buffer_pool_t pool; /**< Buffer pool for packet IO */
-       int mtu;                /**< Pktio dev MTU */
 } appl_args_t;
 
 /**
@@ -80,7 +79,6 @@ typedef struct {
        char *pktio_dev;        /**< Interface name to use */
        odp_buffer_pool_t pool; /**< Buffer pool for packet IO */
        int mode;               /**< Thread mode */
-       int mtu;                /**< Pktio dev MTU */
 } thread_args_t;
 
 /**
@@ -145,14 +143,6 @@ static void *pktio_queue_thread(void *arg)
                return NULL;
        }
 
-       /* Change mtu if requested */
-       if (thr_args->mtu) {
-               ret = odp_pktio_set_mtu(pktio, thr_args->mtu);
-               if (ret != 0)
-                       EXAMPLE_ERR("setting MTU to %d failed\n",
-                                   thr_args->mtu);
-       }
-
        mtu = odp_pktio_mtu(pktio);
        if (mtu > 0)
                printf("PKTIO: %d, dev %s, MTU: %d\n",
@@ -251,7 +241,6 @@ static void *pktio_ifburst_thread(void *arg)
        unsigned long err_cnt = 0;
        unsigned long tmp = 0;
        int mtu;
-       int ret;
 
        thr = odp_thread_id();
        thr_args = arg;
@@ -273,14 +262,6 @@ static void *pktio_ifburst_thread(void *arg)
                return NULL;
        }
 
-       /* Change mtu if requested */
-       if (thr_args->mtu) {
-               ret = odp_pktio_set_mtu(pktio, thr_args->mtu);
-               if (ret != 0)
-                       EXAMPLE_ERR("setting MTU to %d failed\n",
-                                   thr_args->mtu);
-       }
-
        mtu = odp_pktio_mtu(pktio);
        if (mtu > 0)
                printf("PKTIO: %d, dev %s, MTU: %d\n",
@@ -409,7 +390,6 @@ int main(int argc, char *argv[])
                args->thread[i].pktio_dev = args->appl.if_names[if_idx];
                args->thread[i].pool = pool;
                args->thread[i].mode = args->appl.mode;
-               args->thread[i].mtu = args->appl.mtu;
 
                if (args->appl.mode == APPL_MODE_PKT_BURST)
                        thr_run_func = pktio_ifburst_thread;
@@ -520,13 +500,11 @@ static void parse_args(int argc, char *argv[], 
appl_args_t *appl_args)
                {"count", required_argument, NULL, 'c'},
                {"interface", required_argument, NULL, 'i'},    /* return 'i' */
                {"mode", required_argument, NULL, 'm'},         /* return 'm' */
-               {"mtu", required_argument, NULL, 't'},          /* return 't' */
                {"help", no_argument, NULL, 'h'},               /* return 'h' */
                {NULL, 0, NULL, 0}
        };
 
        appl_args->mode = -1; /* Invalid, must be changed by parsing */
-       appl_args->mtu = 0;
 
        while (1) {
                opt = getopt_long(argc, argv, "+c:i:m:t:h",
@@ -589,10 +567,6 @@ static void parse_args(int argc, char *argv[], appl_args_t 
*appl_args)
                        else
                                appl_args->mode = APPL_MODE_PKT_QUEUE;
                        break;
-               case 't':
-                       appl_args->mtu = atoi(optarg);
-                       break;
-
                case 'h':
                        usage(argv[0]);
                        exit(EXIT_SUCCESS);
@@ -666,7 +640,6 @@ static void usage(char *progname)
               "Optional OPTIONS\n"
               "  -c, --count <number> Core count.\n"
               "  -h, --help           Display help and exit.\n"
-              "  -t, --mtu            MTU\n"
               " environment variables: ODP_PKTIO_DISABLE_SOCKET_MMAP\n"
               "                        ODP_PKTIO_DISABLE_SOCKET_MMSG\n"
               "                        ODP_PKTIO_DISABLE_SOCKET_BASIC\n"
diff --git a/platform/linux-generic/include/api/odp_packet_io.h 
b/platform/linux-generic/include/api/odp_packet_io.h
index a1ad754..e4577c3 100644
--- a/platform/linux-generic/include/api/odp_packet_io.h
+++ b/platform/linux-generic/include/api/odp_packet_io.h
@@ -111,19 +111,6 @@ int odp_pktio_inq_remdef(odp_pktio_t id);
 odp_queue_t odp_pktio_outq_getdef(odp_pktio_t id);
 
 /**
- * Configure the MTU for a packet IO interface.
- *
- * @param[in] id   ODP packet IO handle.
- * @param[in] mtu  The value of MTU that the interface will be configured to
- *                use.
- *
- * @retval  0 on success.
- * @retval -1 if specified mtu can not be handled.
- * @retval -1 on any other error or illegal input parameters.
- */
-int odp_pktio_set_mtu(odp_pktio_t id, int mtu);
-
-/**
  * Return the currently configured MTU value of a packet IO interface.
  *
  * @param[in] id  ODP packet IO handle.
diff --git a/platform/linux-generic/odp_packet_io.c 
b/platform/linux-generic/odp_packet_io.c
index a016b6f..9376b6f 100644
--- a/platform/linux-generic/odp_packet_io.c
+++ b/platform/linux-generic/odp_packet_io.c
@@ -538,48 +538,6 @@ static int sockfd_from_pktio_entry(pktio_entry_t *entry)
        }
 }
 
-int odp_pktio_set_mtu(odp_pktio_t id, int mtu)
-{
-       pktio_entry_t *entry;
-       int sockfd;
-       struct ifreq ifr;
-       int ret;
-
-       if (mtu <= 0) {
-               ODP_DBG("illegal MTU value %d\n", mtu);
-               return -1;
-       }
-
-       entry = get_pktio_entry(id);
-       if (entry == NULL) {
-               ODP_DBG("pktio entry %d does not exist\n", id);
-               return -1;
-       }
-
-       lock_entry(entry);
-
-       if (odp_unlikely(is_free(entry))) {
-               unlock_entry(entry);
-               ODP_DBG("already freed pktio\n");
-               return -1;
-       }
-
-       sockfd = sockfd_from_pktio_entry(entry);
-       strncpy(ifr.ifr_name, entry->s.name, IFNAMSIZ - 1);
-       ifr.ifr_name[IFNAMSIZ - 1] = 0;
-       ifr.ifr_mtu = mtu;
-
-       ret = ioctl(sockfd, SIOCSIFMTU, &ifr);
-       if (ret < 0) {
-               ODP_DBG("ioctl SIOCSIFMTU error\n");
-               unlock_entry(entry);
-               return -1;
-       }
-
-       unlock_entry(entry);
-       return 0;
-}
-
 int odp_pktio_mtu(odp_pktio_t id)
 {
        pktio_entry_t *entry;
-- 
1.8.5.1.163.gd7aced9


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