[dpdk-dev] [PATCH 3/5] net/qede: add devarg to disable NPAR Tx switching
Rasesh Mody
rasesh.mody at cavium.com
Wed Mar 28 02:15:53 CEST 2018
Added a run-time argument npar_tx_switching to enable/disable
Tx switching for multi-fucntion devices (NPAR).
Rename vf_txswitch option to vf_tx_switching.
Sample usage to disable Tx switching for NPAR or VF is something like...
-w 05:00.0,npar_tx_switching=0 -w 05:00.1,npar_tx_switching=0
-w 05:00.0,vf_tx_switching=0 -w 05:00.1,vf_tx_switching=0
Signed-off-by: Rasesh Mody <rasesh.mody at cavium.com>
---
drivers/net/qede/qede_ethdev.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index f25fb91..025cd2a 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -499,6 +499,9 @@ static void qede_reset_queue_stats(struct qede_dev *qdev, bool xstats)
return 0;
}
+#define QEDE_NPAR_TX_SWITCHING "npar_tx_switching"
+#define QEDE_VF_TX_SWITCHING "vf_tx_switching"
+
/* Activate or deactivate vport via vport-update */
int qede_activate_vport(struct rte_eth_dev *eth_dev, bool flg)
{
@@ -516,10 +519,12 @@ int qede_activate_vport(struct rte_eth_dev *eth_dev, bool flg)
params.vport_active_rx_flg = flg;
params.vport_active_tx_flg = flg;
if (!qdev->enable_tx_switching) {
- if (IS_VF(edev)) {
+ if ((QEDE_NPAR_TX_SWITCHING != NULL) ||
+ ((QEDE_VF_TX_SWITCHING != NULL) && IS_VF(edev))) {
params.update_tx_switching_flg = 1;
params.tx_switching_flg = !flg;
- DP_INFO(edev, "VF tx-switching is disabled\n");
+ DP_INFO(edev, "%s tx-switching is disabled\n",
+ QEDE_NPAR_TX_SWITCHING ? "NPAR" : "VF");
}
}
for_each_hwfn(edev, i) {
@@ -1373,10 +1378,9 @@ static void qede_dev_stop(struct rte_eth_dev *eth_dev)
DP_INFO(edev, "Device is stopped\n");
}
-#define QEDE_TX_SWITCHING "vf_txswitch"
-
const char *valid_args[] = {
- QEDE_TX_SWITCHING,
+ QEDE_NPAR_TX_SWITCHING,
+ QEDE_VF_TX_SWITCHING,
NULL,
};
@@ -1395,7 +1399,8 @@ static int qede_args_check(const char *key, const char *val, void *opaque)
return errno;
}
- if (strcmp(QEDE_TX_SWITCHING, key) == 0)
+ if ((strcmp(QEDE_NPAR_TX_SWITCHING, key) == 0) ||
+ (strcmp(QEDE_VF_TX_SWITCHING, key) == 0))
qdev->enable_tx_switching = !!tmp;
return ret;
--
1.7.10.3
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