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path: root/drivers/net/ethernet/intel/igb
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Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c2
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c19
-rw-r--r--drivers/net/ethernet/intel/igb/igb_xsk.c38
3 files changed, 39 insertions, 20 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index b507576b28b2..f7938c1da835 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2919,7 +2919,7 @@ static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW)
return -EINVAL;
- input = kzalloc(sizeof(*input), GFP_KERNEL);
+ input = kzalloc_obj(*input);
if (!input)
return -ENOMEM;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index dbea37269d2c..ce91dda00ec0 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2203,9 +2203,8 @@ void igb_down(struct igb_adapter *adapter)
for (i = 0; i < adapter->num_q_vectors; i++) {
if (adapter->q_vector[i]) {
- napi_synchronize(&adapter->q_vector[i]->napi);
- igb_set_queue_napi(adapter, i, NULL);
napi_disable(&adapter->q_vector[i]->napi);
+ igb_set_queue_napi(adapter, i, NULL);
}
}
@@ -2711,7 +2710,7 @@ static int igb_configure_clsflower(struct igb_adapter *adapter,
return -EINVAL;
}
- filter = kzalloc(sizeof(*filter), GFP_KERNEL);
+ filter = kzalloc_obj(*filter);
if (!filter)
return -ENOMEM;
@@ -3775,8 +3774,8 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs, bool reinit)
} else
adapter->vfs_allocated_count = num_vfs;
- adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
- sizeof(struct vf_data_storage), GFP_KERNEL);
+ adapter->vf_data = kzalloc_objs(struct vf_data_storage,
+ adapter->vfs_allocated_count);
/* if allocation failed then we do not support SR-IOV */
if (!adapter->vf_data) {
@@ -3794,9 +3793,8 @@ static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs, bool reinit)
(1 + IGB_PF_MAC_FILTERS_RESERVED +
adapter->vfs_allocated_count);
- adapter->vf_mac_list = kcalloc(num_vf_mac_filters,
- sizeof(struct vf_mac_filter),
- GFP_KERNEL);
+ adapter->vf_mac_list = kzalloc_objs(struct vf_mac_filter,
+ num_vf_mac_filters);
mac_list = adapter->vf_mac_list;
INIT_LIST_HEAD(&adapter->vf_macs.l);
@@ -4091,9 +4089,8 @@ static int igb_sw_init(struct igb_adapter *adapter)
/* Assume MSI-X interrupts, will be checked during IRQ allocation */
adapter->flags |= IGB_FLAG_HAS_MSIX;
- adapter->mac_table = kcalloc(hw->mac.rar_entry_count,
- sizeof(struct igb_mac_addr),
- GFP_KERNEL);
+ adapter->mac_table = kzalloc_objs(struct igb_mac_addr,
+ hw->mac.rar_entry_count);
if (!adapter->mac_table)
return -ENOMEM;
diff --git a/drivers/net/ethernet/intel/igb/igb_xsk.c b/drivers/net/ethernet/intel/igb/igb_xsk.c
index 30ce5fbb5b77..ce4a7b58cad2 100644
--- a/drivers/net/ethernet/intel/igb/igb_xsk.c
+++ b/drivers/net/ethernet/intel/igb/igb_xsk.c
@@ -524,6 +524,16 @@ bool igb_xmit_zc(struct igb_ring *tx_ring, struct xsk_buff_pool *xsk_pool)
return nb_pkts < budget;
}
+static u32 igb_sw_irq_prep(struct igb_q_vector *q_vector)
+{
+ u32 eics = 0;
+
+ if (!napi_if_scheduled_mark_missed(&q_vector->napi))
+ eics = q_vector->eims_value;
+
+ return eics;
+}
+
int igb_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
{
struct igb_adapter *adapter = netdev_priv(dev);
@@ -542,20 +552,32 @@ int igb_xsk_wakeup(struct net_device *dev, u32 qid, u32 flags)
ring = adapter->tx_ring[qid];
- if (test_bit(IGB_RING_FLAG_TX_DISABLED, &ring->flags))
- return -ENETDOWN;
-
if (!READ_ONCE(ring->xsk_pool))
return -EINVAL;
- if (!napi_if_scheduled_mark_missed(&ring->q_vector->napi)) {
+ if (flags & XDP_WAKEUP_TX) {
+ if (test_bit(IGB_RING_FLAG_TX_DISABLED, &ring->flags))
+ return -ENETDOWN;
+
+ eics |= igb_sw_irq_prep(ring->q_vector);
+ }
+
+ if (flags & XDP_WAKEUP_RX) {
+ /* If IGB_FLAG_QUEUE_PAIRS is active, the q_vector
+ * and NAPI is shared between RX and TX.
+ * If NAPI is already running it would be marked as missed
+ * from the TX path, making this RX call a NOP
+ */
+ ring = adapter->rx_ring[qid];
+ eics |= igb_sw_irq_prep(ring->q_vector);
+ }
+
+ if (eics) {
/* Cause software interrupt */
- if (adapter->flags & IGB_FLAG_HAS_MSIX) {
- eics |= ring->q_vector->eims_value;
+ if (adapter->flags & IGB_FLAG_HAS_MSIX)
wr32(E1000_EICS, eics);
- } else {
+ else
wr32(E1000_ICS, E1000_ICS_RXDMT0);
- }
}
return 0;