#include <stdio.h>
#include <errno.h>
#include <unistd.h>
+#include <time.h>
-#include <rte_ethdev_driver.h>
+#include <ethdev_driver.h>
#include <rte_ethdev.h>
#include <rte_string_fns.h>
#include <rte_memzone.h>
#include "hn_rndis.h"
#include "ndis.h"
+#define RNDIS_TIMEOUT_SEC 5
+#define RNDIS_DELAY_MS 10
+
#define HN_RNDIS_XFER_SIZE 0x4000
#define HN_NDIS_TXCSUM_CAP_IP4 \
sg.len = reqlen;
if (sg.ofs + reqlen > PAGE_SIZE) {
- PMD_DRV_LOG(ERR, "RNDIS request crosses page bounary");
+ PMD_DRV_LOG(ERR, "RNDIS request crosses page boundary");
return -EINVAL;
}
*/
static void hn_rndis_link_alarm(void *arg)
{
- _rte_eth_dev_callback_process(arg, RTE_ETH_EVENT_INTR_LSC, NULL);
+ rte_eth_dev_callback_process(arg, RTE_ETH_EVENT_INTR_LSC, NULL);
}
void hn_rndis_link_status(struct rte_eth_dev *dev, const void *msg)
rte_smp_wmb();
if (rte_atomic32_cmpset(&hv->rndis_pending, hdr->rid, 0) == 0) {
- PMD_DRV_LOG(ERR,
+ PMD_DRV_LOG(NOTICE,
"received id %#x pending id %#x",
hdr->rid, (uint32_t)hv->rndis_pending);
}
return -EIO;
}
+ if (rid == 0) {
+ PMD_DRV_LOG(ERR, "Invalid request id");
+ return -EINVAL;
+ }
+
if (comp != NULL &&
rte_atomic32_cmpset(&hv->rndis_pending, 0, rid) == 0) {
PMD_DRV_LOG(ERR,
}
if (comp) {
+ time_t start = time(NULL);
+
/* Poll primary channel until response received */
- while (hv->rndis_pending == rid)
+ while (hv->rndis_pending == rid) {
+ if (hv->closed)
+ return -ENETDOWN;
+
+ if (time(NULL) - start > RNDIS_TIMEOUT_SEC) {
+ PMD_DRV_LOG(ERR,
+ "RNDIS response timed out");
+
+ rte_atomic32_cmpset(&hv->rndis_pending, rid, 0);
+ return -ETIMEDOUT;
+ }
+
+ if (rte_vmbus_chan_rx_empty(hv->primary->chan))
+ rte_delay_ms(RNDIS_DELAY_MS);
+
hn_process_events(hv, 0, 1);
+ }
memcpy(comp, hv->rndis_resp, comp_len);
}