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net/qede: add devargs to disable NPAR Tx switching

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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@cavium.com>
This commit is contained in:
Rasesh Mody 2018-03-27 17:15:53 -07:00 committed by Ferruh Yigit
parent e1e38962c9
commit 612ce81b20
1 changed files with 11 additions and 6 deletions
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17
drivers/net/qede/qede_ethdev.c
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@ -499,6 +499,9 @@ qede_start_vport(struct qede_dev *qdev, uint16_t mtu)
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;