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authorShannon Nelson <snelson@pensando.io>2019-09-03 15:28:12 -0700
committerDavid S. Miller <davem@davemloft.net>2019-09-05 09:24:43 +0200
commitbeead698b1736dfa4061dd2e3fe3efef6d0c49b4 (patch)
treef40126fc6afdcdff46c32d356a68edbb5b8d2c0b /drivers
parent77ceb68e29ccd25d923b6af59e74ecaf736cc4b7 (diff)
ionic: Add the basic NDO callbacks for netdev support
Set up the initial NDO structure and callbacks for netdev to use, and register the netdev. This will allow us to do a few basic operations on the device, but no traffic yet. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic.h2
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c15
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_dev.h2
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_devlink.c15
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.c335
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_lif.h20
6 files changed, 387 insertions, 2 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index 16b1f054ebbe..8269ea24bd79 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -28,6 +28,7 @@ struct ionic_lif;
struct ionic {
struct pci_dev *pdev;
struct device *dev;
+ struct devlink_port dl_port;
struct ionic_dev idev;
struct mutex dev_cmd_lock; /* lock for dev_cmd operations */
struct dentry *dentry;
@@ -35,6 +36,7 @@ struct ionic {
unsigned int num_bars;
struct ionic_identity ident;
struct list_head lifs;
+ struct ionic_lif *master_lif;
unsigned int nnqs_per_lif;
unsigned int neqs_per_lif;
unsigned int ntxqs_per_lif;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
index 7b6190b96a46..9a9ab8cb2cb3 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
@@ -206,12 +206,24 @@ static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_free_lifs;
}
+ err = ionic_lifs_register(ionic);
+ if (err) {
+ dev_err(dev, "Cannot register LIFs: %d, aborting\n", err);
+ goto err_out_deinit_lifs;
+ }
+
err = ionic_devlink_register(ionic);
- if (err)
+ if (err) {
dev_err(dev, "Cannot register devlink: %d\n", err);
+ goto err_out_deregister_lifs;
+ }
return 0;
+err_out_deregister_lifs:
+ ionic_lifs_unregister(ionic);
+err_out_deinit_lifs:
+ ionic_lifs_deinit(ionic);
err_out_free_lifs:
ionic_lifs_free(ionic);
err_out_free_irqs:
@@ -246,6 +258,7 @@ static void ionic_remove(struct pci_dev *pdev)
return;
ionic_devlink_unregister(ionic);
+ ionic_lifs_unregister(ionic);
ionic_lifs_deinit(ionic);
ionic_lifs_free(ionic);
ionic_bus_free_irq_vectors(ionic);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 86922dd26b72..c2a1f4c7df27 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -10,6 +10,8 @@
#include "ionic_if.h"
#include "ionic_regs.h"
+#define IONIC_MIN_MTU ETH_MIN_MTU
+#define IONIC_MAX_MTU 9194
#define IONIC_LIFS_MAX 1024
struct ionic_dev_bar {
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
index 2413b6162dc3..af1647afa4e8 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
@@ -6,6 +6,7 @@
#include "ionic.h"
#include "ionic_bus.h"
+#include "ionic_lif.h"
#include "ionic_devlink.h"
static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
@@ -72,8 +73,19 @@ int ionic_devlink_register(struct ionic *ionic)
int err;
err = devlink_register(dl, ionic->dev);
- if (err)
+ if (err) {
dev_warn(ionic->dev, "devlink_register failed: %d\n", err);
+ return err;
+ }
+
+ devlink_port_attrs_set(&ionic->dl_port, DEVLINK_PORT_FLAVOUR_PHYSICAL,
+ 0, false, 0, NULL, 0);
+ err = devlink_port_register(dl, &ionic->dl_port, 0);
+ if (err)
+ dev_err(ionic->dev, "devlink_port_register failed: %d\n", err);
+ else
+ devlink_port_type_eth_set(&ionic->dl_port,
+ ionic->master_lif->netdev);
return err;
}
@@ -82,5 +94,6 @@ void ionic_devlink_unregister(struct ionic *ionic)
{
struct devlink *dl = priv_to_devlink(ionic);
+ devlink_port_unregister(&ionic->dl_port);
devlink_unregister(dl);
}
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 6096ed813e20..9ccb72d45015 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -399,6 +399,305 @@ static int ionic_adminq_napi(struct napi_struct *napi, int budget)
return max(n_work, a_work);
}
+static __le64 ionic_netdev_features_to_nic(netdev_features_t features)
+{
+ u64 wanted = 0;
+
+ if (features & NETIF_F_HW_VLAN_CTAG_TX)
+ wanted |= IONIC_ETH_HW_VLAN_TX_TAG;
+ if (features & NETIF_F_HW_VLAN_CTAG_RX)
+ wanted |= IONIC_ETH_HW_VLAN_RX_STRIP;
+ if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ wanted |= IONIC_ETH_HW_VLAN_RX_FILTER;
+ if (features & NETIF_F_RXHASH)
+ wanted |= IONIC_ETH_HW_RX_HASH;
+ if (features & NETIF_F_RXCSUM)
+ wanted |= IONIC_ETH_HW_RX_CSUM;
+ if (features & NETIF_F_SG)
+ wanted |= IONIC_ETH_HW_TX_SG;
+ if (features & NETIF_F_HW_CSUM)
+ wanted |= IONIC_ETH_HW_TX_CSUM;
+ if (features & NETIF_F_TSO)
+ wanted |= IONIC_ETH_HW_TSO;
+ if (features & NETIF_F_TSO6)
+ wanted |= IONIC_ETH_HW_TSO_IPV6;
+ if (features & NETIF_F_TSO_ECN)
+ wanted |= IONIC_ETH_HW_TSO_ECN;
+ if (features & NETIF_F_GSO_GRE)
+ wanted |= IONIC_ETH_HW_TSO_GRE;
+ if (features & NETIF_F_GSO_GRE_CSUM)
+ wanted |= IONIC_ETH_HW_TSO_GRE_CSUM;
+ if (features & NETIF_F_GSO_IPXIP4)
+ wanted |= IONIC_ETH_HW_TSO_IPXIP4;
+ if (features & NETIF_F_GSO_IPXIP6)
+ wanted |= IONIC_ETH_HW_TSO_IPXIP6;
+ if (features & NETIF_F_GSO_UDP_TUNNEL)
+ wanted |= IONIC_ETH_HW_TSO_UDP;
+ if (features & NETIF_F_GSO_UDP_TUNNEL_CSUM)
+ wanted |= IONIC_ETH_HW_TSO_UDP_CSUM;
+
+ return cpu_to_le64(wanted);
+}
+
+static int ionic_set_nic_features(struct ionic_lif *lif,
+ netdev_features_t features)
+{
+ struct device *dev = lif->ionic->dev;
+ struct ionic_admin_ctx ctx = {
+ .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
+ .cmd.lif_setattr = {
+ .opcode = IONIC_CMD_LIF_SETATTR,
+ .index = cpu_to_le16(lif->index),
+ .attr = IONIC_LIF_ATTR_FEATURES,
+ },
+ };
+ u64 vlan_flags = IONIC_ETH_HW_VLAN_TX_TAG |
+ IONIC_ETH_HW_VLAN_RX_STRIP |
+ IONIC_ETH_HW_VLAN_RX_FILTER;
+ int err;
+
+ ctx.cmd.lif_setattr.features = ionic_netdev_features_to_nic(features);
+ err = ionic_adminq_post_wait(lif, &ctx);
+ if (err)
+ return err;
+
+ lif->hw_features = le64_to_cpu(ctx.cmd.lif_setattr.features &
+ ctx.comp.lif_setattr.features);
+
+ if ((vlan_flags & features) &&
+ !(vlan_flags & le64_to_cpu(ctx.comp.lif_setattr.features)))
+ dev_info_once(lif->ionic->dev, "NIC is not supporting vlan offload, likely in SmartNIC mode\n");
+
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_TX_TAG)
+ dev_dbg(dev, "feature ETH_HW_VLAN_TX_TAG\n");
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_RX_STRIP)
+ dev_dbg(dev, "feature ETH_HW_VLAN_RX_STRIP\n");
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_RX_FILTER)
+ dev_dbg(dev, "feature ETH_HW_VLAN_RX_FILTER\n");
+ if (lif->hw_features & IONIC_ETH_HW_RX_HASH)
+ dev_dbg(dev, "feature ETH_HW_RX_HASH\n");
+ if (lif->hw_features & IONIC_ETH_HW_TX_SG)
+ dev_dbg(dev, "feature ETH_HW_TX_SG\n");
+ if (lif->hw_features & IONIC_ETH_HW_TX_CSUM)
+ dev_dbg(dev, "feature ETH_HW_TX_CSUM\n");
+ if (lif->hw_features & IONIC_ETH_HW_RX_CSUM)
+ dev_dbg(dev, "feature ETH_HW_RX_CSUM\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO)
+ dev_dbg(dev, "feature ETH_HW_TSO\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPV6)
+ dev_dbg(dev, "feature ETH_HW_TSO_IPV6\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_ECN)
+ dev_dbg(dev, "feature ETH_HW_TSO_ECN\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_GRE)
+ dev_dbg(dev, "feature ETH_HW_TSO_GRE\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_GRE_CSUM)
+ dev_dbg(dev, "feature ETH_HW_TSO_GRE_CSUM\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPXIP4)
+ dev_dbg(dev, "feature ETH_HW_TSO_IPXIP4\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPXIP6)
+ dev_dbg(dev, "feature ETH_HW_TSO_IPXIP6\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_UDP)
+ dev_dbg(dev, "feature ETH_HW_TSO_UDP\n");
+ if (lif->hw_features & IONIC_ETH_HW_TSO_UDP_CSUM)
+ dev_dbg(dev, "feature ETH_HW_TSO_UDP_CSUM\n");
+
+ return 0;
+}
+
+static int ionic_init_nic_features(struct ionic_lif *lif)
+{
+ struct net_device *netdev = lif->netdev;
+ netdev_features_t features;
+ int err;
+
+ /* set up what we expect to support by default */
+ features = NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_CTAG_RX |
+ NETIF_F_HW_VLAN_CTAG_FILTER |
+ NETIF_F_RXHASH |
+ NETIF_F_SG |
+ NETIF_F_HW_CSUM |
+ NETIF_F_RXCSUM |
+ NETIF_F_TSO |
+ NETIF_F_TSO6 |
+ NETIF_F_TSO_ECN;
+
+ err = ionic_set_nic_features(lif, features);
+ if (err)
+ return err;
+
+ /* tell the netdev what we actually can support */
+ netdev->features |= NETIF_F_HIGHDMA;
+
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_TX_TAG)
+ netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_RX_STRIP)
+ netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
+ if (lif->hw_features & IONIC_ETH_HW_VLAN_RX_FILTER)
+ netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
+ if (lif->hw_features & IONIC_ETH_HW_RX_HASH)
+ netdev->hw_features |= NETIF_F_RXHASH;
+ if (lif->hw_features & IONIC_ETH_HW_TX_SG)
+ netdev->hw_features |= NETIF_F_SG;
+
+ if (lif->hw_features & IONIC_ETH_HW_TX_CSUM)
+ netdev->hw_enc_features |= NETIF_F_HW_CSUM;
+ if (lif->hw_features & IONIC_ETH_HW_RX_CSUM)
+ netdev->hw_enc_features |= NETIF_F_RXCSUM;
+ if (lif->hw_features & IONIC_ETH_HW_TSO)
+ netdev->hw_enc_features |= NETIF_F_TSO;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPV6)
+ netdev->hw_enc_features |= NETIF_F_TSO6;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_ECN)
+ netdev->hw_enc_features |= NETIF_F_TSO_ECN;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_GRE)
+ netdev->hw_enc_features |= NETIF_F_GSO_GRE;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_GRE_CSUM)
+ netdev->hw_enc_features |= NETIF_F_GSO_GRE_CSUM;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPXIP4)
+ netdev->hw_enc_features |= NETIF_F_GSO_IPXIP4;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_IPXIP6)
+ netdev->hw_enc_features |= NETIF_F_GSO_IPXIP6;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_UDP)
+ netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL;
+ if (lif->hw_features & IONIC_ETH_HW_TSO_UDP_CSUM)
+ netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM;
+
+ netdev->hw_features |= netdev->hw_enc_features;
+ netdev->features |= netdev->hw_features;
+
+ netdev->priv_flags |= IFF_UNICAST_FLT;
+
+ return 0;
+}
+
+static int ionic_set_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int err;
+
+ netdev_dbg(netdev, "%s: lif->features=0x%08llx new_features=0x%08llx\n",
+ __func__, (u64)lif->netdev->features, (u64)features);
+
+ err = ionic_set_nic_features(lif, features);
+
+ return err;
+}
+
+static int ionic_set_mac_address(struct net_device *netdev, void *sa)
+{
+ netdev_info(netdev, "%s: stubbed\n", __func__);
+ return 0;
+}
+
+static int ionic_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ struct ionic_admin_ctx ctx = {
+ .work = COMPLETION_INITIALIZER_ONSTACK(ctx.work),
+ .cmd.lif_setattr = {
+ .opcode = IONIC_CMD_LIF_SETATTR,
+ .index = cpu_to_le16(lif->index),
+ .attr = IONIC_LIF_ATTR_MTU,
+ .mtu = cpu_to_le32(new_mtu),
+ },
+ };
+ int err;
+
+ err = ionic_adminq_post_wait(lif, &ctx);
+ if (err)
+ return err;
+
+ netdev->mtu = new_mtu;
+ err = ionic_reset_queues(lif);
+
+ return err;
+}
+
+static void ionic_tx_timeout(struct net_device *netdev)
+{
+ netdev_info(netdev, "%s: stubbed\n", __func__);
+}
+
+static int ionic_vlan_rx_add_vid(struct net_device *netdev, __be16 proto,
+ u16 vid)
+{
+ netdev_info(netdev, "%s: stubbed\n", __func__);
+ return 0;
+}
+
+static int ionic_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto,
+ u16 vid)
+{
+ netdev_info(netdev, "%s: stubbed\n", __func__);
+ return 0;
+}
+
+int ionic_open(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+
+ netif_carrier_off(netdev);
+
+ set_bit(IONIC_LIF_UP, lif->state);
+
+ return 0;
+}
+
+int ionic_stop(struct net_device *netdev)
+{
+ struct ionic_lif *lif = netdev_priv(netdev);
+ int err = 0;
+
+ if (!test_bit(IONIC_LIF_UP, lif->state)) {
+ dev_dbg(lif->ionic->dev, "%s: %s state=DOWN\n",
+ __func__, lif->name);
+ return 0;
+ }
+ dev_dbg(lif->ionic->dev, "%s: %s state=UP\n", __func__, lif->name);
+ clear_bit(IONIC_LIF_UP, lif->state);
+
+ /* carrier off before disabling queues to avoid watchdog timeout */
+ netif_carrier_off(netdev);
+
+ return err;
+}
+
+static const struct net_device_ops ionic_netdev_ops = {
+ .ndo_open = ionic_open,
+ .ndo_stop = ionic_stop,
+ .ndo_set_features = ionic_set_features,
+ .ndo_set_mac_address = ionic_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_tx_timeout = ionic_tx_timeout,
+ .ndo_change_mtu = ionic_change_mtu,
+ .ndo_vlan_rx_add_vid = ionic_vlan_rx_add_vid,
+ .ndo_vlan_rx_kill_vid = ionic_vlan_rx_kill_vid,
+};
+
+int ionic_reset_queues(struct ionic_lif *lif)
+{
+ bool running;
+ int err = 0;
+
+ /* Put off the next watchdog timeout */
+ netif_trans_update(lif->netdev);
+
+ if (!ionic_wait_for_bit(lif, IONIC_LIF_QUEUE_RESET))
+ return -EBUSY;
+
+ running = netif_running(lif->netdev);
+ if (running)
+ err = ionic_stop(lif->netdev);
+ if (!err && running)
+ ionic_open(lif->netdev);
+
+ clear_bit(IONIC_LIF_QUEUE_RESET, lif->state);
+
+ return err;
+}
+
static struct ionic_lif *ionic_lif_alloc(struct ionic *ionic, unsigned int index)
{
struct device *dev = ionic->dev;
@@ -417,6 +716,12 @@ static struct ionic_lif *ionic_lif_alloc(struct ionic *ionic, unsigned int index
lif = netdev_priv(netdev);
lif->netdev = netdev;
+ ionic->master_lif = lif;
+ netdev->netdev_ops = &ionic_netdev_ops;
+
+ netdev->watchdog_timeo = 2 * HZ;
+ netdev->min_mtu = IONIC_MIN_MTU;
+ netdev->max_mtu = IONIC_MAX_MTU;
lif->neqs = ionic->neqs_per_lif;
lif->nxqs = ionic->ntxqs_per_lif;
@@ -700,6 +1005,10 @@ static int ionic_lif_init(struct ionic_lif *lif)
goto err_out_notifyq_deinit;
}
+ err = ionic_init_nic_features(lif);
+ if (err)
+ goto err_out_notifyq_deinit;
+
set_bit(IONIC_LIF_INITED, lif->state);
return 0;
@@ -734,6 +1043,32 @@ int ionic_lifs_init(struct ionic *ionic)
return 0;
}
+int ionic_lifs_register(struct ionic *ionic)
+{
+ int err;
+
+ /* only register LIF0 for now */
+ err = register_netdev(ionic->master_lif->netdev);
+ if (err) {
+ dev_err(ionic->dev, "Cannot register net device, aborting\n");
+ return err;
+ }
+
+ ionic->master_lif->registered = true;
+
+ return 0;
+}
+
+void ionic_lifs_unregister(struct ionic *ionic)
+{
+ /* There is only one lif ever registered in the
+ * current model, so don't bother searching the
+ * ionic->lif for candidates to unregister
+ */
+ if (ionic->master_lif->netdev->reg_state == NETREG_REGISTERED)
+ unregister_netdev(ionic->master_lif->netdev);
+}
+
int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
union ionic_lif_identity *lid)
{
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index 7bbe818893b7..1d9a35745bce 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -59,6 +59,8 @@ struct ionic_qcq {
enum ionic_lif_state_flags {
IONIC_LIF_INITED,
+ IONIC_LIF_UP,
+ IONIC_LIF_QUEUE_RESET,
/* leave this as last */
IONIC_LIF_STATE_SIZE
@@ -82,6 +84,7 @@ struct ionic_lif {
u64 last_eid;
unsigned int neqs;
unsigned int nxqs;
+ u64 hw_features;
struct ionic_lif_info *info;
dma_addr_t info_pa;
@@ -93,14 +96,31 @@ struct ionic_lif {
u32 flags;
};
+static inline int ionic_wait_for_bit(struct ionic_lif *lif, int bitname)
+{
+ unsigned long tlimit = jiffies + HZ;
+
+ while (test_and_set_bit(bitname, lif->state) &&
+ time_before(jiffies, tlimit))
+ usleep_range(100, 200);
+
+ return test_bit(bitname, lif->state);
+}
+
int ionic_lifs_alloc(struct ionic *ionic);
void ionic_lifs_free(struct ionic *ionic);
void ionic_lifs_deinit(struct ionic *ionic);
int ionic_lifs_init(struct ionic *ionic);
+int ionic_lifs_register(struct ionic *ionic);
+void ionic_lifs_unregister(struct ionic *ionic);
int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
union ionic_lif_identity *lif_ident);
int ionic_lifs_size(struct ionic *ionic);
+int ionic_open(struct net_device *netdev);
+int ionic_stop(struct net_device *netdev);
+int ionic_reset_queues(struct ionic_lif *lif);
+
static inline void debug_stats_napi_poll(struct ionic_qcq *qcq,
unsigned int work_done)
{