X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fkni%2Frte_eth_kni.c;h=180cfd6c981e51b0a86b017900e8c053fb42bb4b;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=b468138bd4b3e5279b584431e6996431fdbeb0a5;hpb=4420fd0781b9ce23156e986c204db3114c38dda5;p=dpdk.git

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index b468138bd4..180cfd6c98 100644
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -6,6 +6,7 @@
 #include <pthread.h>
 #include <unistd.h>
 
+#include <rte_string_fns.h>
 #include <rte_ethdev_driver.h>
 #include <rte_ethdev_vdev.h>
 #include <rte_kni.h>
@@ -16,9 +17,11 @@
 /* Only single queue supported */
 #define KNI_MAX_QUEUE_PER_PORT 1
 
-#define MAX_PACKET_SZ 2048
 #define MAX_KNI_PORTS 8
 
+#define KNI_ETHER_MTU(mbuf_size)       \
+	((mbuf_size) - ETHER_HDR_LEN) /**< Ethernet MTU. */
+
 #define ETH_KNI_NO_REQUEST_THREAD_ARG	"no_request_thread"
 static const char * const valid_arguments[] = {
 	ETH_KNI_NO_REQUEST_THREAD_ARG,
@@ -51,7 +54,7 @@ struct pmd_internals {
 	int stop_thread;
 	int no_request_thread;
 
-	struct ether_addr eth_addr;
+	struct rte_ether_addr eth_addr;
 
 	struct pmd_queue rx_queues[KNI_MAX_QUEUE_PER_PORT];
 	struct pmd_queue tx_queues[KNI_MAX_QUEUE_PER_PORT];
@@ -123,11 +126,13 @@ eth_kni_start(struct rte_eth_dev *dev)
 	struct rte_kni_conf conf;
 	const char *name = dev->device->name + 4; /* remove net_ */
 
-	snprintf(conf.name, RTE_KNI_NAMESIZE, "%s", name);
+	mb_pool = internals->rx_queues[0].mb_pool;
+	strlcpy(conf.name, name, RTE_KNI_NAMESIZE);
 	conf.force_bind = 0;
 	conf.group_id = port_id;
-	conf.mbuf_size = MAX_PACKET_SZ;
-	mb_pool = internals->rx_queues[0].mb_pool;
+	conf.mbuf_size =
+		rte_pktmbuf_data_room_size(mb_pool) - RTE_PKTMBUF_HEADROOM;
+	conf.mtu = KNI_ETHER_MTU(conf.mbuf_size);
 
 	internals->kni = rte_kni_alloc(mb_pool, &conf, NULL);
 	if (internals->kni == NULL) {
@@ -410,8 +415,7 @@ eth_kni_probe(struct rte_vdev_device *vdev)
 	params = rte_vdev_device_args(vdev);
 	PMD_LOG(INFO, "Initializing eth_kni for %s", name);
 
-	if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
-	    strlen(params) == 0) {
+	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
 		eth_dev = rte_eth_dev_attach_secondary(name);
 		if (!eth_dev) {
 			PMD_LOG(ERR, "Failed to probe %s", name);
@@ -419,6 +423,8 @@ eth_kni_probe(struct rte_vdev_device *vdev)
 		}
 		/* TODO: request info from primary to set up Rx and Tx */
 		eth_dev->dev_ops = &eth_kni_ops;
+		eth_dev->device = &vdev->device;
+		rte_eth_dev_probing_finish(eth_dev);
 		return 0;
 	}
 
@@ -437,6 +443,7 @@ eth_kni_probe(struct rte_vdev_device *vdev)
 	eth_dev->rx_pkt_burst = eth_kni_rx;
 	eth_dev->tx_pkt_burst = eth_kni_tx;
 
+	rte_eth_dev_probing_finish(eth_dev);
 	return 0;
 
 kni_uninit:
@@ -452,6 +459,7 @@ eth_kni_remove(struct rte_vdev_device *vdev)
 	struct rte_eth_dev *eth_dev;
 	struct pmd_internals *internals;
 	const char *name;
+	int ret;
 
 	name = rte_vdev_device_name(vdev);
 	PMD_LOG(INFO, "Un-Initializing eth_kni for %s", name);
@@ -461,12 +469,18 @@ eth_kni_remove(struct rte_vdev_device *vdev)
 	if (eth_dev == NULL)
 		return -1;
 
+	/* mac_addrs must not be freed alone because part of dev_private */
+	eth_dev->data->mac_addrs = NULL;
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return rte_eth_dev_release_port(eth_dev);
+
 	eth_kni_dev_stop(eth_dev);
 
 	internals = eth_dev->data->dev_private;
-	rte_kni_release(internals->kni);
-
-	rte_free(internals);
+	ret = rte_kni_release(internals->kni);
+	if (ret)
+		PMD_LOG(WARNING, "Not able to release kni for %s", name);
 
 	rte_eth_dev_release_port(eth_dev);
 
@@ -485,9 +499,7 @@ static struct rte_vdev_driver eth_kni_drv = {
 RTE_PMD_REGISTER_VDEV(net_kni, eth_kni_drv);
 RTE_PMD_REGISTER_PARAM_STRING(net_kni, ETH_KNI_NO_REQUEST_THREAD_ARG "=<int>");
 
-RTE_INIT(eth_kni_init_log);
-static void
-eth_kni_init_log(void)
+RTE_INIT(eth_kni_init_log)
 {
 	eth_kni_logtype = rte_log_register("pmd.net.kni");
 	if (eth_kni_logtype >= 0)