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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.h47
1 files changed, 45 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h
index 690635660195..ed824e11a1e3 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h
@@ -62,6 +62,9 @@
/* Max time to wait for NFP to respond on updates (in seconds) */
#define NFP_NET_POLL_TIMEOUT 5
+/* Interval for reading offloaded filter stats */
+#define NFP_NET_STAT_POLL_IVL msecs_to_jiffies(100)
+
/* Bar allocation */
#define NFP_NET_CTRL_BAR 0
#define NFP_NET_Q0_BAR 2
@@ -220,7 +223,7 @@ struct nfp_net_tx_ring {
#define PCIE_DESC_RX_I_TCP_CSUM_OK cpu_to_le16(BIT(11))
#define PCIE_DESC_RX_I_UDP_CSUM cpu_to_le16(BIT(10))
#define PCIE_DESC_RX_I_UDP_CSUM_OK cpu_to_le16(BIT(9))
-#define PCIE_DESC_RX_SPARE cpu_to_le16(BIT(8))
+#define PCIE_DESC_RX_BPF cpu_to_le16(BIT(8))
#define PCIE_DESC_RX_EOP cpu_to_le16(BIT(7))
#define PCIE_DESC_RX_IP4_CSUM cpu_to_le16(BIT(6))
#define PCIE_DESC_RX_IP4_CSUM_OK cpu_to_le16(BIT(5))
@@ -266,6 +269,8 @@ struct nfp_net_rx_desc {
};
};
+#define NFP_NET_META_FIELD_MASK GENMASK(NFP_NET_META_FIELD_SIZE - 1, 0)
+
struct nfp_net_rx_hash {
__be32 hash_type;
__be32 hash;
@@ -405,6 +410,11 @@ static inline bool nfp_net_fw_ver_eq(struct nfp_net_fw_version *fw_ver,
fw_ver->minor == minor;
}
+struct nfp_stat_pair {
+ u64 pkts;
+ u64 bytes;
+};
+
/**
* struct nfp_net - NFP network device structure
* @pdev: Backpointer to PCI device
@@ -413,6 +423,7 @@ static inline bool nfp_net_fw_ver_eq(struct nfp_net_fw_version *fw_ver,
* @is_vf: Is the driver attached to a VF?
* @is_nfp3200: Is the driver for a NFP-3200 card?
* @fw_loaded: Is the firmware loaded?
+ * @bpf_offload_skip_sw: Offloaded BPF program will not be rerun by cls_bpf
* @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
@@ -427,6 +438,11 @@ static inline bool nfp_net_fw_ver_eq(struct nfp_net_fw_version *fw_ver,
* @rss_cfg: RSS configuration
* @rss_key: RSS secret key
* @rss_itbl: RSS indirection table
+ * @rx_filter: Filter offload statistics - dropped packets/bytes
+ * @rx_filter_prev: Filter offload statistics - values from previous update
+ * @rx_filter_change: Jiffies when statistics last changed
+ * @rx_filter_stats_timer: Timer for polling filter offload statistics
+ * @rx_filter_lock: Lock protecting timer state changes (teardown)
* @max_tx_rings: Maximum number of TX rings supported by the Firmware
* @max_rx_rings: Maximum number of RX rings supported by the Firmware
* @num_tx_rings: Currently configured number of TX rings
@@ -473,6 +489,7 @@ struct nfp_net {
unsigned is_vf:1;
unsigned is_nfp3200:1;
unsigned fw_loaded:1;
+ unsigned bpf_offload_skip_sw:1;
u32 ctrl;
u32 fl_bufsz;
@@ -502,6 +519,11 @@ struct nfp_net {
u8 rss_key[NFP_NET_CFG_RSS_KEY_SZ];
u8 rss_itbl[NFP_NET_CFG_RSS_ITBL_SZ];
+ struct nfp_stat_pair rx_filter, rx_filter_prev;
+ unsigned long rx_filter_change;
+ struct timer_list rx_filter_stats_timer;
+ spinlock_t rx_filter_lock;
+
int max_tx_rings;
int max_rx_rings;
@@ -561,12 +583,28 @@ struct nfp_net {
/* Functions to read/write from/to a BAR
* Performs any endian conversion necessary.
*/
+static inline u16 nn_readb(struct nfp_net *nn, int off)
+{
+ return readb(nn->ctrl_bar + off);
+}
+
static inline void nn_writeb(struct nfp_net *nn, int off, u8 val)
{
writeb(val, nn->ctrl_bar + off);
}
-/* NFP-3200 can't handle 16-bit accesses too well - hence no readw/writew */
+/* NFP-3200 can't handle 16-bit accesses too well */
+static inline u16 nn_readw(struct nfp_net *nn, int off)
+{
+ WARN_ON_ONCE(nn->is_nfp3200);
+ return readw(nn->ctrl_bar + off);
+}
+
+static inline void nn_writew(struct nfp_net *nn, int off, u16 val)
+{
+ WARN_ON_ONCE(nn->is_nfp3200);
+ writew(val, nn->ctrl_bar + off);
+}
static inline u32 nn_readl(struct nfp_net *nn, int off)
{
@@ -757,4 +795,9 @@ static inline void nfp_net_debugfs_adapter_del(struct nfp_net *nn)
}
#endif /* CONFIG_NFP_NET_DEBUG */
+void nfp_net_filter_stats_timer(unsigned long data);
+int
+nfp_net_bpf_offload(struct nfp_net *nn, u32 handle, __be16 proto,
+ struct tc_cls_bpf_offload *cls_bpf);
+
#endif /* _NFP_NET_H_ */