[dpdk-dev,v2,1/6] bond: use existing enslaved device queues

Message ID 1455909473-13539-2-git-send-email-ehkinzie@gmail.com (mailing list archive)
State Superseded, archived
Delegated to: Bruce Richardson
Headers

Commit Message

Eric Kinzie Feb. 19, 2016, 7:17 p.m. UTC
  This solves issues when an active device is added to a bond.

If a device to be enslaved already has transmit and/or receive queues
allocated, use those and then create any additional queues that are
necessary.

Signed-off-by: Eric Kinzie <ehkinzie@gmail.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Declan Doherty <declan.doherty@intel.com>
---
 drivers/net/bonding/rte_eth_bond_pmd.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
  

Patch

diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index b63c886..2f193db 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1344,7 +1344,9 @@  slave_configure(struct rte_eth_dev *bonded_eth_dev,
 	}
 
 	/* Setup Rx Queues */
-	for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
+	/* Use existing queues, if any */
+	for (q_id = slave_eth_dev->data->nb_rx_queues;
+	     q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
 		bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
 
 		errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
@@ -1360,7 +1362,9 @@  slave_configure(struct rte_eth_dev *bonded_eth_dev,
 	}
 
 	/* Setup Tx Queues */
-	for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
+	/* Use existing queues, if any */
+	for (q_id = slave_eth_dev->data->nb_tx_queues;
+	     q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
 		bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
 
 		errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,