ethdev: call Rx and Tx callbacks in the order they were added

[dpdk.git] / lib / librte_ether / rte_ethdev.c

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 44d41b8..ddf3658 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -3179,8 +3179,20 @@ rte_eth_add_rx_callback(uint8_t port_id, uint16_t queue_id,
 
        cb->fn.rx = fn;
        cb->param = user_param;
-       cb->next = rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
-       rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
+
+       /* Add the callbacks in fifo order. */
+       struct rte_eth_rxtx_callback *tail =
+               rte_eth_devices[port_id].post_rx_burst_cbs[queue_id];
+
+       if (!tail) {
+               rte_eth_devices[port_id].post_rx_burst_cbs[queue_id] = cb;
+
+       } else {
+               while (tail->next)
+                       tail = tail->next;
+               tail->next = cb;
+       }
+
        return cb;
 }
 
@@ -3208,8 +3220,20 @@ rte_eth_add_tx_callback(uint8_t port_id, uint16_t queue_id,
 
        cb->fn.tx = fn;
        cb->param = user_param;
-       cb->next = rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
-       rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
+
+       /* Add the callbacks in fifo order. */
+       struct rte_eth_rxtx_callback *tail =
+               rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id];
+
+       if (!tail) {
+               rte_eth_devices[port_id].pre_tx_burst_cbs[queue_id] = cb;
+
+       } else {
+               while (tail->next)
+                       tail = tail->next;
+               tail->next = cb;
+       }
+
        return cb;
 }
 
@@ -3304,3 +3328,52 @@ rte_eth_dev_set_mc_addr_list(uint8_t port_id,
        FUNC_PTR_OR_ERR_RET(*dev->dev_ops->set_mc_addr_list, -ENOTSUP);
        return dev->dev_ops->set_mc_addr_list(dev, mc_addr_set, nb_mc_addr);
 }
+
+int
+rte_eth_timesync_enable(uint8_t port_id)
+{
+       struct rte_eth_dev *dev;
+
+       VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_enable, -ENOTSUP);
+       return (*dev->dev_ops->timesync_enable)(dev);
+}
+
+int
+rte_eth_timesync_disable(uint8_t port_id)
+{
+       struct rte_eth_dev *dev;
+
+       VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_disable, -ENOTSUP);
+       return (*dev->dev_ops->timesync_disable)(dev);
+}
+
+int
+rte_eth_timesync_read_rx_timestamp(uint8_t port_id, struct timespec *timestamp,
+                                  uint32_t flags)
+{
+       struct rte_eth_dev *dev;
+
+       VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_rx_timestamp, -ENOTSUP);
+       return (*dev->dev_ops->timesync_read_rx_timestamp)(dev, timestamp, flags);
+}
+
+int
+rte_eth_timesync_read_tx_timestamp(uint8_t port_id, struct timespec *timestamp)
+{
+       struct rte_eth_dev *dev;
+
+       VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+       dev = &rte_eth_devices[port_id];
+
+       FUNC_PTR_OR_ERR_RET(*dev->dev_ops->timesync_read_tx_timestamp, -ENOTSUP);
+       return (*dev->dev_ops->timesync_read_tx_timestamp)(dev, timestamp);
+}