drivers/net/ethernet/netronome/nfp/nfp_net.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/netronome/nfp/nfp_net.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/netronome/nfp/nfp_net.h
Extension
.h
Size
31198 bytes
Lines
1057
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

extern const struct net_device_ops nfp_nfd3_netdev_ops;
extern const struct net_device_ops nfp_nfdk_netdev_ops;

static inline bool nfp_netdev_is_nfp_net(struct net_device *netdev)
{
	return netdev->netdev_ops == &nfp_nfd3_netdev_ops ||
	       netdev->netdev_ops == &nfp_nfdk_netdev_ops;
}

static inline int nfp_net_coalesce_para_check(u32 param)
{
	if (param >= ((1 << 16) - 1))
		return -EINVAL;

	return 0;
}

/* Prototypes */
void nfp_net_get_fw_version(struct nfp_net_fw_version *fw_ver,
			    void __iomem *ctrl_bar);

struct nfp_net *
nfp_net_alloc(struct pci_dev *pdev, const struct nfp_dev_info *dev_info,
	      void __iomem *ctrl_bar, bool needs_netdev,
	      unsigned int max_tx_rings, unsigned int max_rx_rings);
void nfp_net_free(struct nfp_net *nn);

int nfp_net_init(struct nfp_net *nn);
void nfp_net_clean(struct nfp_net *nn);

int nfp_ctrl_open(struct nfp_net *nn);
void nfp_ctrl_close(struct nfp_net *nn);

void nfp_net_set_ethtool_ops(struct net_device *netdev);
void nfp_net_info(struct nfp_net *nn);
int __nfp_net_reconfig(struct nfp_net *nn, u32 update);
int nfp_net_reconfig(struct nfp_net *nn, u32 update);
unsigned int nfp_net_rss_key_sz(struct nfp_net *nn);
void nfp_net_rss_write_itbl(struct nfp_net *nn);
void nfp_net_rss_write_key(struct nfp_net *nn);
void nfp_net_coalesce_write_cfg(struct nfp_net *nn);
int nfp_net_mbox_lock(struct nfp_net *nn, unsigned int data_size);
int nfp_net_mbox_reconfig(struct nfp_net *nn, u32 mbox_cmd);
int nfp_net_mbox_reconfig_and_unlock(struct nfp_net *nn, u32 mbox_cmd);
void nfp_net_mbox_reconfig_post(struct nfp_net *nn, u32 update);
int nfp_net_mbox_reconfig_wait_posted(struct nfp_net *nn);

unsigned int
nfp_net_irqs_alloc(struct pci_dev *pdev, struct msix_entry *irq_entries,
		   unsigned int min_irqs, unsigned int want_irqs);
void nfp_net_irqs_disable(struct pci_dev *pdev);
void
nfp_net_irqs_assign(struct nfp_net *nn, struct msix_entry *irq_entries,
		    unsigned int n);
struct sk_buff *
nfp_net_tls_tx(struct nfp_net_dp *dp, struct nfp_net_r_vector *r_vec,
	       struct sk_buff *skb, u64 *tls_handle, int *nr_frags);
void nfp_net_tls_tx_undo(struct sk_buff *skb, u64 tls_handle);

struct nfp_net_dp *nfp_net_clone_dp(struct nfp_net *nn);
int nfp_net_ring_reconfig(struct nfp_net *nn, struct nfp_net_dp *new,
			  struct netlink_ext_ack *extack);

int nfp_net_fs_add_hw(struct nfp_net *nn, struct nfp_fs_entry *entry);
int nfp_net_fs_del_hw(struct nfp_net *nn, struct nfp_fs_entry *entry);

#ifdef CONFIG_NFP_DEBUG
void nfp_net_debugfs_create(void);
void nfp_net_debugfs_destroy(void);
struct dentry *nfp_net_debugfs_device_add(struct pci_dev *pdev);
void nfp_net_debugfs_vnic_add(struct nfp_net *nn, struct dentry *ddir);
void nfp_net_debugfs_dir_clean(struct dentry **dir);
#else
static inline void nfp_net_debugfs_create(void)
{
}

static inline void nfp_net_debugfs_destroy(void)
{
}

static inline struct dentry *nfp_net_debugfs_device_add(struct pci_dev *pdev)
{
	return NULL;
}

static inline void
nfp_net_debugfs_vnic_add(struct nfp_net *nn, struct dentry *ddir)
{
}

Annotation

Implementation Notes