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authorReshma Pattan <reshma.pattan@intel.com>2016-07-22 14:44:04 +0100
committerThomas Monjalon <thomas.monjalon@6wind.com>2016-07-22 17:57:15 +0200
commit1c4466cb9907cb072852d0f992add6cc5a23443d (patch)
tree0368c2e7106f2f1c3d16ceee9c0efbb7c256d434
parent763197ad731e9cfabc7d7399084d41da3d25dce4 (diff)
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app/pdump: cleanup rings upon failures
Function create_mp_ring_vdev() for failure cases exits without freeing the created rte rings, because of this, pdump tool cannot be rerun successfully. Added rte ring cleanup logic upon failures. Fixes: caa7028276b8 ("app/pdump: add tool for packet capturing") Signed-off-by: Reshma Pattan <reshma.pattan@intel.com> Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
-rw-r--r--app/pdump/main.c67
1 files changed, 49 insertions, 18 deletions
diff --git a/app/pdump/main.c b/app/pdump/main.c
index e0ff8be..b76cfd0 100644
--- a/app/pdump/main.c
+++ b/app/pdump/main.c
@@ -525,6 +525,26 @@ free_ring_data(struct rte_ring *ring, uint8_t vdev_id,
}
static void
+cleanup_rings(void)
+{
+ int i;
+ struct pdump_tuples *pt;
+
+ for (i = 0; i < num_tuples; i++) {
+ pt = &pdump_t[i];
+
+ if (pt->device_id)
+ free(pt->device_id);
+
+ /* free the rings */
+ if (pt->rx_ring)
+ rte_ring_free(pt->rx_ring);
+ if (pt->tx_ring)
+ rte_ring_free(pt->tx_ring);
+ }
+}
+
+static void
cleanup_pdump_resources(void)
{
int i;
@@ -545,16 +565,8 @@ cleanup_pdump_resources(void)
free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
if (pt->dir & RTE_PDUMP_FLAG_TX)
free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
-
- if (pt->device_id)
- free(pt->device_id);
-
- /* free the rings */
- if (pt->rx_ring)
- rte_ring_free(pt->rx_ring);
- if (pt->tx_ring)
- rte_ring_free(pt->tx_ring);
}
+ cleanup_rings();
}
static void
@@ -630,10 +642,12 @@ create_mp_ring_vdev(void)
MBUF_POOL_CACHE_SIZE, 0,
pt->mbuf_data_size,
rte_socket_id());
- if (mbuf_pool == NULL)
+ if (mbuf_pool == NULL) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE,
"Mempool creation failed: %s\n",
rte_strerror(rte_errno));
+ }
}
pt->mp = mbuf_pool;
@@ -643,19 +657,23 @@ create_mp_ring_vdev(void)
snprintf(ring_name, SIZE, RX_RING, i);
pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
- if (pt->rx_ring == NULL)
+ if (pt->rx_ring == NULL) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
rte_strerror(rte_errno),
__func__, __LINE__);
+ }
/* create tx_ring */
snprintf(ring_name, SIZE, TX_RING, i);
pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
- if (pt->tx_ring == NULL)
+ if (pt->tx_ring == NULL) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
rte_strerror(rte_errno),
__func__, __LINE__);
+ }
/* create vdevs */
(pt->rx_vdev_stream_type == IFACE) ?
@@ -663,10 +681,12 @@ create_mp_ring_vdev(void)
pt->rx_dev) :
snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
pt->rx_dev);
- if (rte_eth_dev_attach(vdev_args, &portid) < 0)
+ if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:%s:%d\n",
__func__, __LINE__);
+ }
pt->rx_vdev_id = portid;
/* configure vdev */
@@ -680,10 +700,13 @@ create_mp_ring_vdev(void)
pt->tx_dev) :
snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
pt->tx_dev);
- if (rte_eth_dev_attach(vdev_args, &portid) < 0)
+ if (rte_eth_dev_attach(vdev_args,
+ &portid) < 0) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:"
"%s:%d\n", __func__, __LINE__);
+ }
pt->tx_vdev_id = portid;
/* configure vdev */
@@ -695,19 +718,23 @@ create_mp_ring_vdev(void)
snprintf(ring_name, SIZE, RX_RING, i);
pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
- if (pt->rx_ring == NULL)
+ if (pt->rx_ring == NULL) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE, "%s\n",
rte_strerror(rte_errno));
+ }
(pt->rx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
pt->rx_dev) :
snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
pt->rx_dev);
- if (rte_eth_dev_attach(vdev_args, &portid) < 0)
+ if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed:%s:%d\n",
__func__, __LINE__);
+ }
pt->rx_vdev_id = portid;
/* configure vdev */
configure_vdev(pt->rx_vdev_id);
@@ -717,18 +744,22 @@ create_mp_ring_vdev(void)
snprintf(ring_name, SIZE, TX_RING, i);
pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
rte_socket_id(), 0);
- if (pt->tx_ring == NULL)
+ if (pt->tx_ring == NULL) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE, "%s\n",
rte_strerror(rte_errno));
+ }
(pt->tx_vdev_stream_type == IFACE) ?
snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
pt->tx_dev) :
snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
pt->tx_dev);
- if (rte_eth_dev_attach(vdev_args, &portid) < 0)
+ if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
+ cleanup_rings();
rte_exit(EXIT_FAILURE,
"vdev creation failed\n");
+ }
pt->tx_vdev_id = portid;
/* configure vdev */