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path: root/drivers/net/ethernet/intel/idpf
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Diffstat (limited to 'drivers/net/ethernet/intel/idpf')
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf.h14
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_ethtool.c35
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_lib.c24
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_main.c105
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c2
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_txrx.c12
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_virtchnl.c4
-rw-r--r--drivers/net/ethernet/intel/idpf/xdp.c2
8 files changed, 141 insertions, 57 deletions
diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h
index ca4da0c89979..8cfc68cbfa06 100644
--- a/drivers/net/ethernet/intel/idpf/idpf.h
+++ b/drivers/net/ethernet/intel/idpf/idpf.h
@@ -131,14 +131,12 @@ enum idpf_cap_field {
/**
* enum idpf_vport_state - Current vport state
- * @__IDPF_VPORT_DOWN: Vport is down
- * @__IDPF_VPORT_UP: Vport is up
- * @__IDPF_VPORT_STATE_LAST: Must be last, number of states
+ * @IDPF_VPORT_UP: Vport is up
+ * @IDPF_VPORT_STATE_NBITS: Must be last, number of states
*/
enum idpf_vport_state {
- __IDPF_VPORT_DOWN,
- __IDPF_VPORT_UP,
- __IDPF_VPORT_STATE_LAST,
+ IDPF_VPORT_UP,
+ IDPF_VPORT_STATE_NBITS
};
/**
@@ -162,7 +160,7 @@ struct idpf_netdev_priv {
u16 vport_idx;
u16 max_tx_hdr_size;
u16 tx_max_bufs;
- enum idpf_vport_state state;
+ DECLARE_BITMAP(state, IDPF_VPORT_STATE_NBITS);
struct rtnl_link_stats64 netstats;
spinlock_t stats_lock;
};
@@ -735,12 +733,10 @@ static inline bool idpf_is_rdma_cap_ena(struct idpf_adapter *adapter)
#define IDPF_CAP_RSS (\
VIRTCHNL2_FLOW_IPV4_TCP |\
- VIRTCHNL2_FLOW_IPV4_TCP |\
VIRTCHNL2_FLOW_IPV4_UDP |\
VIRTCHNL2_FLOW_IPV4_SCTP |\
VIRTCHNL2_FLOW_IPV4_OTHER |\
VIRTCHNL2_FLOW_IPV6_TCP |\
- VIRTCHNL2_FLOW_IPV6_TCP |\
VIRTCHNL2_FLOW_IPV6_UDP |\
VIRTCHNL2_FLOW_IPV6_SCTP |\
VIRTCHNL2_FLOW_IPV6_OTHER)
diff --git a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
index a5a1eec9ade8..2589e124e41c 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
@@ -6,6 +6,25 @@
#include "idpf_virtchnl.h"
/**
+ * idpf_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ */
+static u32 idpf_get_rx_ring_count(struct net_device *netdev)
+{
+ struct idpf_vport *vport;
+ u32 num_rxq;
+
+ idpf_vport_ctrl_lock(netdev);
+ vport = idpf_netdev_to_vport(netdev);
+ num_rxq = vport->num_rxq;
+ idpf_vport_ctrl_unlock(netdev);
+
+ return num_rxq;
+}
+
+/**
* idpf_get_rxnfc - command to get RX flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -28,9 +47,6 @@ static int idpf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
user_config = &np->adapter->vport_config[np->vport_idx]->user_config;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = vport->num_rxq;
- break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = user_config->num_fsteer_fltrs;
cmd->data = idpf_fsteer_max_rules(vport);
@@ -386,7 +402,7 @@ static int idpf_get_rxfh(struct net_device *netdev,
}
rss_data = &adapter->vport_config[np->vport_idx]->user_config.rss_data;
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
goto unlock_mutex;
rxfh->hfunc = ETH_RSS_HASH_TOP;
@@ -436,7 +452,7 @@ static int idpf_set_rxfh(struct net_device *netdev,
}
rss_data = &adapter->vport_config[vport->idx]->user_config.rss_data;
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
goto unlock_mutex;
if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
@@ -1167,7 +1183,7 @@ static void idpf_get_ethtool_stats(struct net_device *netdev,
idpf_vport_ctrl_lock(netdev);
vport = idpf_netdev_to_vport(netdev);
- if (np->state != __IDPF_VPORT_UP) {
+ if (!test_bit(IDPF_VPORT_UP, np->state)) {
idpf_vport_ctrl_unlock(netdev);
return;
@@ -1319,7 +1335,7 @@ static int idpf_get_q_coalesce(struct net_device *netdev,
idpf_vport_ctrl_lock(netdev);
vport = idpf_netdev_to_vport(netdev);
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
goto unlock_mutex;
if (q_num >= vport->num_rxq && q_num >= vport->num_txq) {
@@ -1507,7 +1523,7 @@ static int idpf_set_coalesce(struct net_device *netdev,
idpf_vport_ctrl_lock(netdev);
vport = idpf_netdev_to_vport(netdev);
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
goto unlock_mutex;
for (i = 0; i < vport->num_txq; i++) {
@@ -1710,7 +1726,7 @@ static void idpf_get_ts_stats(struct net_device *netdev,
ts_stats->err = u64_stats_read(&vport->tstamp_stats.discarded);
} while (u64_stats_fetch_retry(&vport->tstamp_stats.stats_sync, start));
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
goto exit;
for (u16 i = 0; i < vport->num_txq_grp; i++) {
@@ -1757,6 +1773,7 @@ static const struct ethtool_ops idpf_ethtool_ops = {
.get_channels = idpf_get_channels,
.get_rxnfc = idpf_get_rxnfc,
.set_rxnfc = idpf_set_rxnfc,
+ .get_rx_ring_count = idpf_get_rx_ring_count,
.get_rxfh_key_size = idpf_get_rxfh_key_size,
.get_rxfh_indir_size = idpf_get_rxfh_indir_size,
.get_rxfh = idpf_get_rxfh,
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c
index 8a941f0fb048..7a7e101afeb6 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -519,7 +519,7 @@ static int idpf_del_mac_filter(struct idpf_vport *vport,
}
spin_unlock_bh(&vport_config->mac_filter_list_lock);
- if (np->state == __IDPF_VPORT_UP) {
+ if (test_bit(IDPF_VPORT_UP, np->state)) {
int err;
err = idpf_add_del_mac_filters(vport, np, false, async);
@@ -590,7 +590,7 @@ static int idpf_add_mac_filter(struct idpf_vport *vport,
if (err)
return err;
- if (np->state == __IDPF_VPORT_UP)
+ if (test_bit(IDPF_VPORT_UP, np->state))
err = idpf_add_del_mac_filters(vport, np, true, async);
return err;
@@ -894,7 +894,7 @@ static void idpf_vport_stop(struct idpf_vport *vport, bool rtnl)
{
struct idpf_netdev_priv *np = netdev_priv(vport->netdev);
- if (np->state <= __IDPF_VPORT_DOWN)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
return;
if (rtnl)
@@ -921,7 +921,7 @@ static void idpf_vport_stop(struct idpf_vport *vport, bool rtnl)
idpf_xdp_rxq_info_deinit_all(vport);
idpf_vport_queues_rel(vport);
idpf_vport_intr_rel(vport);
- np->state = __IDPF_VPORT_DOWN;
+ clear_bit(IDPF_VPORT_UP, np->state);
if (rtnl)
rtnl_unlock();
@@ -1345,7 +1345,7 @@ static int idpf_up_complete(struct idpf_vport *vport)
netif_tx_start_all_queues(vport->netdev);
}
- np->state = __IDPF_VPORT_UP;
+ set_bit(IDPF_VPORT_UP, np->state);
return 0;
}
@@ -1391,7 +1391,7 @@ static int idpf_vport_open(struct idpf_vport *vport, bool rtnl)
struct idpf_vport_config *vport_config;
int err;
- if (np->state != __IDPF_VPORT_DOWN)
+ if (test_bit(IDPF_VPORT_UP, np->state))
return -EBUSY;
if (rtnl)
@@ -1602,7 +1602,7 @@ void idpf_init_task(struct work_struct *work)
/* Once state is put into DOWN, driver is ready for dev_open */
np = netdev_priv(vport->netdev);
- np->state = __IDPF_VPORT_DOWN;
+ clear_bit(IDPF_VPORT_UP, np->state);
if (test_and_clear_bit(IDPF_VPORT_UP_REQUESTED, vport_config->flags))
idpf_vport_open(vport, true);
@@ -1801,7 +1801,7 @@ static void idpf_set_vport_state(struct idpf_adapter *adapter)
continue;
np = netdev_priv(adapter->netdevs[i]);
- if (np->state == __IDPF_VPORT_UP)
+ if (test_bit(IDPF_VPORT_UP, np->state))
set_bit(IDPF_VPORT_UP_REQUESTED,
adapter->vport_config[i]->flags);
}
@@ -1939,7 +1939,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
enum idpf_vport_reset_cause reset_cause)
{
struct idpf_netdev_priv *np = netdev_priv(vport->netdev);
- enum idpf_vport_state current_state = np->state;
+ bool vport_is_up = test_bit(IDPF_VPORT_UP, np->state);
struct idpf_adapter *adapter = vport->adapter;
struct idpf_vport *new_vport;
int err;
@@ -1990,7 +1990,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
goto free_vport;
}
- if (current_state <= __IDPF_VPORT_DOWN) {
+ if (!vport_is_up) {
idpf_send_delete_queues_msg(vport);
} else {
set_bit(IDPF_VPORT_DEL_QUEUES, vport->flags);
@@ -2023,7 +2023,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
if (err)
goto err_open;
- if (current_state == __IDPF_VPORT_UP)
+ if (vport_is_up)
err = idpf_vport_open(vport, false);
goto free_vport;
@@ -2033,7 +2033,7 @@ err_reset:
vport->num_rxq, vport->num_bufq);
err_open:
- if (current_state == __IDPF_VPORT_UP)
+ if (vport_is_up)
idpf_vport_open(vport, false);
free_vport:
diff --git a/drivers/net/ethernet/intel/idpf/idpf_main.c b/drivers/net/ethernet/intel/idpf/idpf_main.c
index 8cf4ff697572..de5d722cc21d 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_main.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_main.c
@@ -3,16 +3,94 @@
#include "idpf.h"
#include "idpf_devids.h"
+#include "idpf_lan_vf_regs.h"
#include "idpf_virtchnl.h"
#define DRV_SUMMARY "Intel(R) Infrastructure Data Path Function Linux Driver"
+#define IDPF_NETWORK_ETHERNET_PROGIF 0x01
+#define IDPF_CLASS_NETWORK_ETHERNET_PROGIF \
+ (PCI_CLASS_NETWORK_ETHERNET << 8 | IDPF_NETWORK_ETHERNET_PROGIF)
+#define IDPF_VF_TEST_VAL 0xfeed0000u
+
MODULE_DESCRIPTION(DRV_SUMMARY);
MODULE_IMPORT_NS("LIBETH");
MODULE_IMPORT_NS("LIBETH_XDP");
MODULE_LICENSE("GPL");
/**
+ * idpf_get_device_type - Helper to find if it is a VF or PF device
+ * @pdev: PCI device information struct
+ *
+ * Return: PF/VF device ID or -%errno on failure.
+ */
+static int idpf_get_device_type(struct pci_dev *pdev)
+{
+ void __iomem *addr;
+ int ret;
+
+ addr = ioremap(pci_resource_start(pdev, 0) + VF_ARQBAL, 4);
+ if (!addr) {
+ pci_err(pdev, "Failed to allocate BAR0 mbx region\n");
+ return -EIO;
+ }
+
+ writel(IDPF_VF_TEST_VAL, addr);
+ if (readl(addr) == IDPF_VF_TEST_VAL)
+ ret = IDPF_DEV_ID_VF;
+ else
+ ret = IDPF_DEV_ID_PF;
+
+ iounmap(addr);
+
+ return ret;
+}
+
+/**
+ * idpf_dev_init - Initialize device specific parameters
+ * @adapter: adapter to initialize
+ * @ent: entry in idpf_pci_tbl
+ *
+ * Return: %0 on success, -%errno on failure.
+ */
+static int idpf_dev_init(struct idpf_adapter *adapter,
+ const struct pci_device_id *ent)
+{
+ int ret;
+
+ if (ent->class == IDPF_CLASS_NETWORK_ETHERNET_PROGIF) {
+ ret = idpf_get_device_type(adapter->pdev);
+ switch (ret) {
+ case IDPF_DEV_ID_VF:
+ idpf_vf_dev_ops_init(adapter);
+ adapter->crc_enable = true;
+ break;
+ case IDPF_DEV_ID_PF:
+ idpf_dev_ops_init(adapter);
+ break;
+ default:
+ return ret;
+ }
+
+ return 0;
+ }
+
+ switch (ent->device) {
+ case IDPF_DEV_ID_PF:
+ idpf_dev_ops_init(adapter);
+ break;
+ case IDPF_DEV_ID_VF:
+ idpf_vf_dev_ops_init(adapter);
+ adapter->crc_enable = true;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+/**
* idpf_remove - Device removal routine
* @pdev: PCI device information struct
*/
@@ -167,21 +245,6 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->req_tx_splitq = true;
adapter->req_rx_splitq = true;
- switch (ent->device) {
- case IDPF_DEV_ID_PF:
- idpf_dev_ops_init(adapter);
- break;
- case IDPF_DEV_ID_VF:
- idpf_vf_dev_ops_init(adapter);
- adapter->crc_enable = true;
- break;
- default:
- err = -ENODEV;
- dev_err(&pdev->dev, "Unexpected dev ID 0x%x in idpf probe\n",
- ent->device);
- goto err_free;
- }
-
adapter->pdev = pdev;
err = pcim_enable_device(pdev);
if (err)
@@ -261,11 +324,18 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* setup msglvl */
adapter->msg_enable = netif_msg_init(-1, IDPF_AVAIL_NETIF_M);
+ err = idpf_dev_init(adapter, ent);
+ if (err) {
+ dev_err(&pdev->dev, "Unexpected dev ID 0x%x in idpf probe\n",
+ ent->device);
+ goto destroy_vc_event_wq;
+ }
+
err = idpf_cfg_hw(adapter);
if (err) {
dev_err(dev, "Failed to configure HW structure for adapter: %d\n",
err);
- goto err_cfg_hw;
+ goto destroy_vc_event_wq;
}
mutex_init(&adapter->vport_ctrl_lock);
@@ -286,7 +356,7 @@ static int idpf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
-err_cfg_hw:
+destroy_vc_event_wq:
destroy_workqueue(adapter->vc_event_wq);
err_vc_event_wq_alloc:
destroy_workqueue(adapter->stats_wq);
@@ -306,6 +376,7 @@ err_free:
static const struct pci_device_id idpf_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, IDPF_DEV_ID_PF)},
{ PCI_VDEVICE(INTEL, IDPF_DEV_ID_VF)},
+ { PCI_DEVICE_CLASS(IDPF_CLASS_NETWORK_ETHERNET_PROGIF, ~0)},
{ /* Sentinel */ }
};
MODULE_DEVICE_TABLE(pci, idpf_pci_tbl);
diff --git a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
index 61e613066140..e3ddf18dcbf5 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_singleq_txrx.c
@@ -570,7 +570,7 @@ fetch_next_txq_desc:
np = netdev_priv(tx_q->netdev);
nq = netdev_get_tx_queue(tx_q->netdev, tx_q->idx);
- dont_wake = np->state != __IDPF_VPORT_UP ||
+ dont_wake = !test_bit(IDPF_VPORT_UP, np->state) ||
!netif_carrier_ok(tx_q->netdev);
__netif_txq_completed_wake(nq, ss.packets, ss.bytes,
IDPF_DESC_UNUSED(tx_q), IDPF_TX_WAKE_THRESH,
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 828f7c444d30..1d91c56f7469 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -134,7 +134,7 @@ static void idpf_compl_desc_rel(struct idpf_compl_queue *complq)
{
idpf_xsk_clear_queue(complq, VIRTCHNL2_QUEUE_TYPE_TX_COMPLETION);
- if (!complq->comp)
+ if (!complq->desc_ring)
return;
dma_free_coherent(complq->netdev->dev.parent, complq->size,
@@ -922,8 +922,8 @@ static int idpf_rx_desc_alloc_all(struct idpf_vport *vport)
err = idpf_rx_desc_alloc(vport, q);
if (err) {
pci_err(vport->adapter->pdev,
- "Memory allocation for Rx Queue %u failed\n",
- i);
+ "Memory allocation for Rx queue %u from queue group %u failed\n",
+ j, i);
goto err_out;
}
}
@@ -939,8 +939,8 @@ static int idpf_rx_desc_alloc_all(struct idpf_vport *vport)
err = idpf_bufq_desc_alloc(vport, q);
if (err) {
pci_err(vport->adapter->pdev,
- "Memory allocation for Rx Buffer Queue %u failed\n",
- i);
+ "Memory allocation for Rx Buffer Queue %u from queue group %u failed\n",
+ j, i);
goto err_out;
}
}
@@ -2275,7 +2275,7 @@ fetch_next_desc:
/* Update BQL */
nq = netdev_get_tx_queue(tx_q->netdev, tx_q->idx);
- dont_wake = !complq_ok || np->state != __IDPF_VPORT_UP ||
+ dont_wake = !complq_ok || !test_bit(IDPF_VPORT_UP, np->state) ||
!netif_carrier_ok(tx_q->netdev);
/* Check if the TXQ needs to and can be restarted */
__netif_txq_completed_wake(nq, tx_q->cleaned_pkts, tx_q->cleaned_bytes,
diff --git a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
index cbb5fa30f5a0..44cd4b466c48 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_virtchnl.c
@@ -68,7 +68,7 @@ static void idpf_handle_event_link(struct idpf_adapter *adapter,
vport->link_up = v2e->link_status;
- if (np->state != __IDPF_VPORT_UP)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
return;
if (vport->link_up) {
@@ -2755,7 +2755,7 @@ int idpf_send_get_stats_msg(struct idpf_vport *vport)
/* Don't send get_stats message if the link is down */
- if (np->state <= __IDPF_VPORT_DOWN)
+ if (!test_bit(IDPF_VPORT_UP, np->state))
return 0;
stats_msg.vport_id = cpu_to_le32(vport->vport_id);
diff --git a/drivers/net/ethernet/intel/idpf/xdp.c b/drivers/net/ethernet/intel/idpf/xdp.c
index 21ce25b0567f..958d16f87424 100644
--- a/drivers/net/ethernet/intel/idpf/xdp.c
+++ b/drivers/net/ethernet/intel/idpf/xdp.c
@@ -418,7 +418,7 @@ static int idpf_xdp_setup_prog(struct idpf_vport *vport,
if (test_bit(IDPF_REMOVE_IN_PROG, vport->adapter->flags) ||
!test_bit(IDPF_VPORT_REG_NETDEV, cfg->flags) ||
!!vport->xdp_prog == !!prog) {
- if (np->state == __IDPF_VPORT_UP)
+ if (test_bit(IDPF_VPORT_UP, np->state))
idpf_xdp_copy_prog_to_rqs(vport, prog);
old = xchg(&vport->xdp_prog, prog);