From 612ce81b2007e67c2b02e2dce9b25e8fb8639991 Mon Sep 17 00:00:00 2001 From: Rasesh Mody Date: Tue, 27 Mar 2018 17:15:53 -0700 Subject: [PATCH] net/qede: add devargs to disable NPAR Tx switching 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 --- 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 f25fb9109e..025cd2a1a4 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -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; -- 2.20.1