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Diffstat (limited to 'drivers/net/ethernet/intel/igc')
-rw-r--r--drivers/net/ethernet/intel/igc/igc.h1
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ethtool.c12
-rw-r--r--drivers/net/ethernet/intel/igc/igc_main.c3
-rw-r--r--drivers/net/ethernet/intel/igc/igc_tsn.c3
4 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc.h b/drivers/net/ethernet/intel/igc/igc.h
index daab06fc3f80..023ff8a5b285 100644
--- a/drivers/net/ethernet/intel/igc/igc.h
+++ b/drivers/net/ethernet/intel/igc/igc.h
@@ -395,6 +395,7 @@ extern char igc_driver_name[];
#define IGC_FLAG_TSN_QBV_ENABLED BIT(17)
#define IGC_FLAG_TSN_QAV_ENABLED BIT(18)
#define IGC_FLAG_TSN_PREEMPT_ENABLED BIT(19)
+#define IGC_FLAG_TSN_REVERSE_TXQ_PRIO BIT(20)
#define IGC_FLAG_TSN_ANY_ENABLED \
(IGC_FLAG_TSN_QBV_ENABLED | IGC_FLAG_TSN_QAV_ENABLED | \
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index 3fc1eded9605..054b7390cb4b 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -122,9 +122,11 @@ static const char igc_gstrings_test[][ETH_GSTRING_LEN] = {
#define IGC_STATS_LEN \
(IGC_GLOBAL_STATS_LEN + IGC_NETDEV_STATS_LEN + IGC_QUEUE_STATS_LEN)
+#define IGC_PRIV_FLAGS_LEGACY_RX BIT(0)
+#define IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO BIT(1)
static const char igc_priv_flags_strings[][ETH_GSTRING_LEN] = {
-#define IGC_PRIV_FLAGS_LEGACY_RX BIT(0)
"legacy-rx",
+ "reverse-tsn-txq-prio",
};
#define IGC_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igc_priv_flags_strings)
@@ -1600,6 +1602,9 @@ static u32 igc_ethtool_get_priv_flags(struct net_device *netdev)
if (adapter->flags & IGC_FLAG_RX_LEGACY)
priv_flags |= IGC_PRIV_FLAGS_LEGACY_RX;
+ if (adapter->flags & IGC_FLAG_TSN_REVERSE_TXQ_PRIO)
+ priv_flags |= IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO;
+
return priv_flags;
}
@@ -1608,10 +1613,13 @@ static int igc_ethtool_set_priv_flags(struct net_device *netdev, u32 priv_flags)
struct igc_adapter *adapter = netdev_priv(netdev);
unsigned int flags = adapter->flags;
- flags &= ~IGC_FLAG_RX_LEGACY;
+ flags &= ~(IGC_FLAG_RX_LEGACY | IGC_FLAG_TSN_REVERSE_TXQ_PRIO);
if (priv_flags & IGC_PRIV_FLAGS_LEGACY_RX)
flags |= IGC_FLAG_RX_LEGACY;
+ if (priv_flags & IGC_PRIV_FLAGS_REVERSE_TSN_TXQ_PRIO)
+ flags |= IGC_FLAG_TSN_REVERSE_TXQ_PRIO;
+
if (flags != adapter->flags) {
adapter->flags = flags;
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 1322a2db6dba..82d53fad6b6a 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -6698,7 +6698,8 @@ static int igc_tc_query_caps(struct igc_adapter *adapter,
case TC_SETUP_QDISC_TAPRIO: {
struct tc_taprio_caps *caps = base->caps;
- caps->broken_mqprio = true;
+ if (!(adapter->flags & IGC_FLAG_TSN_REVERSE_TXQ_PRIO))
+ caps->broken_mqprio = true;
if (hw->mac.type == igc_i225) {
caps->supports_queue_max_sdu = true;
diff --git a/drivers/net/ethernet/intel/igc/igc_tsn.c b/drivers/net/ethernet/intel/igc/igc_tsn.c
index 78a4a9cf5f96..43151ab4c1b7 100644
--- a/drivers/net/ethernet/intel/igc/igc_tsn.c
+++ b/drivers/net/ethernet/intel/igc/igc_tsn.c
@@ -398,7 +398,8 @@ static int igc_tsn_enable_offload(struct igc_adapter *adapter)
if (igc_is_device_id_i226(hw))
igc_tsn_set_retx_qbvfullthreshold(adapter);
- if (adapter->strict_priority_enable)
+ if (adapter->strict_priority_enable ||
+ adapter->flags & IGC_FLAG_TSN_REVERSE_TXQ_PRIO)
igc_tsn_tx_arb(adapter, true);
for (i = 0; i < adapter->num_tx_queues; i++) {