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 b79e5f7..ddf3658 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -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;
 }