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path: root/drivers/net/ethernet/netronome/nfp/nfp_net.h
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Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net.h73
1 files changed, 38 insertions, 35 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index 2115f446031e..e614a376b595 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2015 Netronome Systems, Inc.
+ * Copyright (C) 2015-2017 Netronome Systems, Inc.
*
* This software is dual licensed under the GNU General License Version 2,
* June 1991 as shown in the file COPYING in the top-level directory of this
@@ -43,6 +43,7 @@
#define _NFP_NET_H_
#include <linux/interrupt.h>
+#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
#include <linux/io-64-nonatomic-hi-lo.h>
@@ -83,6 +84,7 @@
#define NFP_NET_NON_Q_VECTORS 2
#define NFP_NET_IRQ_LSC_IDX 0
#define NFP_NET_IRQ_EXN_IDX 1
+#define NFP_NET_MIN_PORT_IRQS (NFP_NET_NON_Q_VECTORS + 1)
/* Queue/Ring definitions */
#define NFP_NET_MAX_TX_RINGS 64 /* Max. # of Tx rings per device */
@@ -109,6 +111,7 @@
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
/* Forward declarations */
+struct nfp_cpp;
struct nfp_net;
struct nfp_net_r_vector;
@@ -345,7 +348,7 @@ struct nfp_net_rx_ring {
* @tx_ring: Pointer to TX ring
* @rx_ring: Pointer to RX ring
* @xdp_ring: Pointer to an extra TX ring for XDP
- * @irq_idx: Index into MSI-X table
+ * @irq_entry: MSI-X table entry (use for talking to the device)
* @rx_sync: Seqlock for atomic updates of RX stats
* @rx_pkts: Number of received packets
* @rx_bytes: Number of received bytes
@@ -362,6 +365,7 @@ struct nfp_net_rx_ring {
* @tx_lso: Counter of LSO packets sent
* @tx_errors: How many TX errors were encountered
* @tx_busy: How often was TX busy (no space)?
+ * @irq_vector: Interrupt vector number (use for talking to the OS)
* @handler: Interrupt handler for this ring vector
* @name: Name of the interrupt vector
* @affinity_mask: SMP affinity mask for this vector
@@ -378,7 +382,7 @@ struct nfp_net_r_vector {
struct nfp_net_tx_ring *tx_ring;
struct nfp_net_rx_ring *rx_ring;
- int irq_idx;
+ u16 irq_entry;
struct u64_stats_sync rx_sync;
u64 rx_pkts;
@@ -400,6 +404,7 @@ struct nfp_net_r_vector {
u64 tx_errors;
u64 tx_busy;
+ u32 irq_vector;
irq_handler_t handler;
char name[IFNAMSIZ + 8];
cpumask_t affinity_mask;
@@ -431,20 +436,13 @@ struct nfp_stat_pair {
* struct nfp_net - NFP network device structure
* @pdev: Backpointer to PCI device
* @netdev: Backpointer to net_device structure
- * @nfp_fallback: Is the driver used in fallback mode?
* @is_vf: Is the driver attached to a VF?
- * @fw_loaded: Is the firmware loaded?
* @bpf_offload_skip_sw: Offloaded BPF program will not be rerun by cls_bpf
* @bpf_offload_xdp: Offloaded BPF program is XDP
* @ctrl: Local copy of the control register/word.
* @fl_bufsz: Currently configured size of the freelist buffers
* @rx_offset: Offset in the RX buffers where packet data starts
* @xdp_prog: Installed XDP program
- * @cpp: Pointer to the CPP handle
- * @nfp_dev_cpp: Pointer to the NFP Device handle
- * @ctrl_area: Pointer to the CPP area for the control BAR
- * @tx_area: Pointer to the CPP area for the TX queues
- * @rx_area: Pointer to the CPP area for the FL/RX queues
* @fw_ver: Firmware version
* @cap: Capabilities advertised by the Firmware
* @max_mtu: Maximum support MTU advertised by the Firmware
@@ -494,14 +492,15 @@ struct nfp_stat_pair {
* @tx_bar: Pointer to mapped TX queues
* @rx_bar: Pointer to mapped FL/RX queues
* @debugfs_dir: Device directory in debugfs
+ * @ethtool_dump_flag: Ethtool dump flag
+ * @port_list: Entry on device port list
+ * @cpp: CPP device handle if available
*/
struct nfp_net {
struct pci_dev *pdev;
struct net_device *netdev;
- unsigned nfp_fallback:1;
unsigned is_vf:1;
- unsigned fw_loaded:1;
unsigned bpf_offload_skip_sw:1;
unsigned bpf_offload_xdp:1;
@@ -515,18 +514,6 @@ struct nfp_net {
struct nfp_net_tx_ring *tx_rings;
struct nfp_net_rx_ring *rx_rings;
-#ifdef CONFIG_PCI_IOV
- unsigned int num_vfs;
- struct vf_data_storage *vfinfo;
- int vf_rate_link_speed;
-#endif
-
- struct nfp_cpp *cpp;
- struct platform_device *nfp_dev_cpp;
- struct nfp_cpp_area *ctrl_area;
- struct nfp_cpp_area *tx_area;
- struct nfp_cpp_area *rx_area;
-
struct nfp_net_fw_version fw_ver;
u32 cap;
u32 max_mtu;
@@ -589,11 +576,15 @@ struct nfp_net {
u8 __iomem *qcp_cfg;
u8 __iomem *ctrl_bar;
- u8 __iomem *q_bar;
u8 __iomem *tx_bar;
u8 __iomem *rx_bar;
struct dentry *debugfs_dir;
+ u32 ethtool_dump_flag;
+
+ struct list_head port_list;
+
+ struct nfp_cpp *cpp;
};
struct nfp_net_ring_set {
@@ -770,8 +761,7 @@ static inline u32 nfp_qcp_wr_ptr_read(u8 __iomem *q)
}
/* Globals */
-extern const char nfp_net_driver_name[];
-extern const char nfp_net_driver_version[];
+extern const char nfp_driver_version[];
/* Prototypes */
void nfp_net_get_fw_version(struct nfp_net_fw_version *fw_ver,
@@ -789,17 +779,24 @@ int nfp_net_reconfig(struct nfp_net *nn, u32 update);
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_irqs_alloc(struct nfp_net *nn);
-void nfp_net_irqs_disable(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);
int
nfp_net_ring_reconfig(struct nfp_net *nn, struct bpf_prog **xdp_prog,
struct nfp_net_ring_set *rx, struct nfp_net_ring_set *tx);
-#ifdef CONFIG_NFP_NET_DEBUG
+#ifdef CONFIG_NFP_DEBUG
void nfp_net_debugfs_create(void);
void nfp_net_debugfs_destroy(void);
-void nfp_net_debugfs_adapter_add(struct nfp_net *nn);
-void nfp_net_debugfs_adapter_del(struct nfp_net *nn);
+struct dentry *nfp_net_debugfs_device_add(struct pci_dev *pdev);
+void nfp_net_debugfs_port_add(struct nfp_net *nn, struct dentry *ddir, int id);
+void nfp_net_debugfs_dir_clean(struct dentry **dir);
#else
static inline void nfp_net_debugfs_create(void)
{
@@ -809,14 +806,20 @@ static inline void nfp_net_debugfs_destroy(void)
{
}
-static inline void nfp_net_debugfs_adapter_add(struct nfp_net *nn)
+static inline struct dentry *nfp_net_debugfs_device_add(struct pci_dev *pdev)
+{
+ return NULL;
+}
+
+static inline void
+nfp_net_debugfs_port_add(struct nfp_net *nn, struct dentry *ddir, int id)
{
}
-static inline void nfp_net_debugfs_adapter_del(struct nfp_net *nn)
+static inline void nfp_net_debugfs_dir_clean(struct dentry **dir)
{
}
-#endif /* CONFIG_NFP_NET_DEBUG */
+#endif /* CONFIG_NFP_DEBUG */
void nfp_net_filter_stats_timer(unsigned long data);
int nfp_net_bpf_offload(struct nfp_net *nn, struct tc_cls_bpf_offload *cls_bpf);
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-26 12:43:03 +0000