diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
---|---|---|
committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
commit | 97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3 (patch) | |
tree | c4f1a18b38d655b7806a72515992bd9aae14ef53 /drivers/net/ethernet/intel/igc/igc_main.c | |
parent | 6fa964c045a6bc3321a9186e87bfbcfd1059b0f1 (diff) | |
parent | 7860d720a84c74b2761c6b7995392a798ab0a3cb (diff) |
Merge drm/drm-next into drm-intel-gt-next
Daniele needs 84d4333c1e28 ("misc/mei: Add NULL check to component match
callback functions") in order to merge the DG2 HuC patches.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_main.c')
-rw-r--r-- | drivers/net/ethernet/intel/igc/igc_main.c | 76 |
1 files changed, 20 insertions, 56 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 74b2c590ed5d0..ebff0e04045d6 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5813,9 +5813,10 @@ static bool validate_schedule(struct igc_adapter *adapter, return false; for (n = 0; n < qopt->num_entries; n++) { - const struct tc_taprio_sched_entry *e; + const struct tc_taprio_sched_entry *e, *prev; int i; + prev = n ? &qopt->entries[n - 1] : NULL; e = &qopt->entries[n]; /* i225 only supports "global" frame preemption @@ -5828,7 +5829,12 @@ static bool validate_schedule(struct igc_adapter *adapter, if (e->gate_mask & BIT(i)) queue_uses[i]++; - if (queue_uses[i] > 1) + /* There are limitations: A single queue cannot be + * opened and closed multiple times per cycle unless the + * gate stays open. Check for it. + */ + if (queue_uses[i] > 1 && + !(prev->gate_mask & BIT(i))) return false; } } @@ -5872,6 +5878,7 @@ static int igc_tsn_clear_schedule(struct igc_adapter *adapter) static int igc_save_qbv_schedule(struct igc_adapter *adapter, struct tc_taprio_qopt_offload *qopt) { + bool queue_configured[IGC_MAX_TX_QUEUES] = { }; u32 start_time = 0, end_time = 0; size_t n; @@ -5887,9 +5894,6 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, adapter->cycle_time = qopt->cycle_time; adapter->base_time = qopt->base_time; - /* FIXME: be a little smarter about cases when the gate for a - * queue stays open for more than one entry. - */ for (n = 0; n < qopt->num_entries; n++) { struct tc_taprio_sched_entry *e = &qopt->entries[n]; int i; @@ -5902,8 +5906,15 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, if (!(e->gate_mask & BIT(i))) continue; - ring->start_time = start_time; + /* Check whether a queue stays open for more than one + * entry. If so, keep the start and advance the end + * time. + */ + if (!queue_configured[i]) + ring->start_time = start_time; ring->end_time = end_time; + + queue_configured[i] = true; } start_time += e->interval; @@ -6171,6 +6182,9 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg) u8 __iomem *hw_addr = READ_ONCE(hw->hw_addr); u32 value = 0; + if (IGC_REMOVED(hw_addr)) + return ~value; + value = readl(&hw_addr[reg]); /* reads should not return all F's */ @@ -6187,56 +6201,6 @@ u32 igc_rd32(struct igc_hw *hw, u32 reg) return value; } -int igc_set_spd_dplx(struct igc_adapter *adapter, u32 spd, u8 dplx) -{ - struct igc_mac_info *mac = &adapter->hw.mac; - - mac->autoneg = false; - - /* Make sure dplx is at most 1 bit and lsb of speed is not set - * for the switch() below to work - */ - if ((spd & 1) || (dplx & ~1)) - goto err_inval; - - switch (spd + dplx) { - case SPEED_10 + DUPLEX_HALF: - mac->forced_speed_duplex = ADVERTISE_10_HALF; - break; - case SPEED_10 + DUPLEX_FULL: - mac->forced_speed_duplex = ADVERTISE_10_FULL; - break; - case SPEED_100 + DUPLEX_HALF: - mac->forced_speed_duplex = ADVERTISE_100_HALF; - break; - case SPEED_100 + DUPLEX_FULL: - mac->forced_speed_duplex = ADVERTISE_100_FULL; - break; - case SPEED_1000 + DUPLEX_FULL: - mac->autoneg = true; - adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; - break; - case SPEED_1000 + DUPLEX_HALF: /* not supported */ - goto err_inval; - case SPEED_2500 + DUPLEX_FULL: - mac->autoneg = true; - adapter->hw.phy.autoneg_advertised = ADVERTISE_2500_FULL; - break; - case SPEED_2500 + DUPLEX_HALF: /* not supported */ - default: - goto err_inval; - } - - /* clear MDI, MDI(-X) override is only allowed when autoneg enabled */ - adapter->hw.phy.mdix = AUTO_ALL_MODES; - - return 0; - -err_inval: - netdev_err(adapter->netdev, "Unsupported Speed/Duplex configuration\n"); - return -EINVAL; -} - /** * igc_probe - Device Initialization Routine * @pdev: PCI device information struct |