diff options
Diffstat (limited to 'drivers/net/ethernet/ti/icssg/icssg_prueth.h')
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_prueth.h | 83 |
1 files changed, 74 insertions, 9 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h index f5c1d473e9f9..ca8a22a4a5da 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h @@ -8,9 +8,12 @@ #ifndef __NET_TI_ICSSG_PRUETH_H #define __NET_TI_ICSSG_PRUETH_H +#include <linux/bpf.h> +#include <linux/bpf_trace.h> #include <linux/etherdevice.h> #include <linux/genalloc.h> #include <linux/if_vlan.h> +#include <linux/if_hsr.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/mfd/syscon.h> @@ -33,6 +36,8 @@ #include <linux/dma/k3-udma-glue.h> #include <net/devlink.h> +#include <net/xdp.h> +#include <net/page_pool/helpers.h> #include "icssg_config.h" #include "icss_iep.h" @@ -50,7 +55,7 @@ #define ICSSG_MAX_RFLOWS 8 /* per slice */ -#define ICSSG_NUM_PA_STATS 4 +#define ICSSG_NUM_PA_STATS 32 #define ICSSG_NUM_MIIG_STATS 60 /* Number of ICSSG related stats */ #define ICSSG_NUM_STATS (ICSSG_NUM_MIIG_STATS + ICSSG_NUM_PA_STATS) @@ -83,6 +88,12 @@ #define ICSS_CMD_ADD_FILTER 0x7 #define ICSS_CMD_ADD_MAC 0x8 +/* VLAN Filtering Related MACROs */ +#define PRUETH_DFLT_VLAN_HSR 1 +#define PRUETH_DFLT_VLAN_SW 1 +#define PRUETH_DFLT_VLAN_MAC 0 +#define MAX_VLAN_ID 256 + /* In switch mode there are 3 real ports i.e. 3 mac addrs. * however Linux sees only the host side port. The other 2 ports * are the switch ports. @@ -125,6 +136,26 @@ struct prueth_rx_chn { u32 descs_num; unsigned int irq[ICSSG_MAX_RFLOWS]; /* separate irq per flow */ char name[32]; + struct page_pool *pg_pool; + struct xdp_rxq_info xdp_rxq; +}; + +enum prueth_swdata_type { + PRUETH_SWDATA_INVALID = 0, + PRUETH_SWDATA_SKB, + PRUETH_SWDATA_PAGE, + PRUETH_SWDATA_CMD, + PRUETH_SWDATA_XDPF, +}; + +struct prueth_swdata { + enum prueth_swdata_type type; + union prueth_data { + struct sk_buff *skb; + struct page *page; + u32 cmd; + struct xdp_frame *xdpf; + } data; }; /* There are 4 Tx DMA channels, but the highest priority is CH3 (thread 3) @@ -134,13 +165,18 @@ struct prueth_rx_chn { #define PRUETH_MAX_TX_TS_REQUESTS 50 /* Max simultaneous TX_TS requests */ +/* XDP BPF state */ +#define ICSSG_XDP_PASS 0 +#define ICSSG_XDP_CONSUMED BIT(0) +#define ICSSG_XDP_TX BIT(1) +#define ICSSG_XDP_REDIR BIT(2) + /* Minimum coalesce time in usecs for both Tx and Rx */ #define ICSSG_MIN_COALESCE_USECS 20 /* data for each emac port */ struct prueth_emac { bool is_sr1; - bool fw_running; struct prueth *prueth; struct net_device *ndev; u8 mac_addr[6]; @@ -201,24 +237,34 @@ struct prueth_emac { /* RX IRQ Coalescing Related */ struct hrtimer rx_hrtimer; unsigned long rx_pace_timeout_ns; + + struct netdev_hw_addr_list vlan_mcast_list[MAX_VLAN_ID]; + struct bpf_prog *xdp_prog; + struct xdp_attachment_info xdpi; }; +/* The buf includes headroom compatible with both skb and xdpf */ +#define PRUETH_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN) +#define PRUETH_HEADROOM ALIGN(PRUETH_HEADROOM_NA, sizeof(long)) + /** * struct prueth_pdata - PRUeth platform data * @fdqring_mode: Free desc queue mode * @quirk_10m_link_issue: 10M link detect errata * @switch_mode: switch firmware support + * @banked_ms_ram: banked memory support */ struct prueth_pdata { enum k3_ring_mode fdqring_mode; u32 quirk_10m_link_issue:1; u32 switch_mode:1; + u32 banked_ms_ram:1; }; struct icssg_firmwares { - char *pru; - char *rtu; - char *txpru; + const char *pru; + const char *rtu; + const char *txpru; }; /** @@ -247,6 +293,7 @@ struct icssg_firmwares { * @vlan_tbl: VLAN-FID table pointer * @hw_bridge_dev: pointer to HW bridge net device * @hsr_dev: pointer to the HSR net device + * @hsr_prp_version: enum to store the protocol version of hsr master * @br_members: bitmask of bridge member ports * @hsr_members: bitmask of hsr member ports * @prueth_netdevice_nb: netdevice notifier block @@ -257,6 +304,10 @@ struct icssg_firmwares { * @is_switchmode_supported: indicates platform support for switch mode * @switch_id: ID for mapping switch ports to bridge * @default_vlan: Default VLAN for host + * @icssg_emac_firmwares: Firmware names for EMAC mode, indexed per MAC + * @icssg_switch_firmwares: Firmware names for SWITCH mode, indexed per MAC + * @icssg_hsr_firmwares: Firmware names for HSR mode, indexed per MAC + * @icssg_prp_firmwares: Firmware names for PRP mode, indexed per MAC */ struct prueth { struct device *dev; @@ -286,6 +337,7 @@ struct prueth { struct net_device *hw_bridge_dev; struct net_device *hsr_dev; + enum hsr_version hsr_prp_version; u8 br_members; u8 hsr_members; struct notifier_block prueth_netdevice_nb; @@ -298,6 +350,12 @@ struct prueth { int default_vlan; /** @vtbl_lock: Lock for vtbl in shared memory */ spinlock_t vtbl_lock; + /** @stats_lock: Lock for reading icssg stats */ + spinlock_t stats_lock; + struct icssg_firmwares icssg_emac_firmwares[PRUETH_NUM_MACS]; + struct icssg_firmwares icssg_switch_firmwares[PRUETH_NUM_MACS]; + struct icssg_firmwares icssg_hsr_firmwares[PRUETH_NUM_MACS]; + struct icssg_firmwares icssg_prp_firmwares[PRUETH_NUM_MACS]; }; struct emac_tx_ts_response { @@ -361,6 +419,8 @@ int icssg_set_port_state(struct prueth_emac *emac, enum icssg_port_state_cmd state); void icssg_config_set_speed(struct prueth_emac *emac); void icssg_config_half_duplex(struct prueth_emac *emac); +void icssg_init_emac_mode(struct prueth *prueth); +void icssg_init_fw_offload_mode(struct prueth *prueth); /* Buffer queue helpers */ int icssg_queue_pop(struct prueth *prueth, u8 queue); @@ -377,6 +437,7 @@ void icssg_vtbl_modify(struct prueth_emac *emac, u8 vid, u8 port_mask, u8 untag_mask, bool add); u16 icssg_get_pvid(struct prueth_emac *emac); void icssg_set_pvid(struct prueth *prueth, u8 vid, u8 port); +int emac_fdb_flow_id_updated(struct prueth_emac *emac); #define prueth_napi_to_tx_chn(pnapi) \ container_of(pnapi, struct prueth_tx_chn, napi_tx) @@ -400,14 +461,14 @@ int prueth_init_rx_chns(struct prueth_emac *emac, struct prueth_rx_chn *rx_chn, char *name, u32 max_rflows, u32 max_desc_num); -int prueth_dma_rx_push(struct prueth_emac *emac, - struct sk_buff *skb, - struct prueth_rx_chn *rx_chn); +int prueth_dma_rx_push_mapped(struct prueth_emac *emac, + struct prueth_rx_chn *rx_chn, + struct page *page, u32 buf_len); +unsigned int prueth_rxbuf_total_len(unsigned int len); void emac_rx_timestamp(struct prueth_emac *emac, struct sk_buff *skb, u32 *psdata); enum netdev_tx icssg_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev); irqreturn_t prueth_rx_irq(int irq, void *dev_id); -void prueth_emac_stop(struct prueth_emac *emac); void prueth_cleanup_tx_ts(struct prueth_emac *emac); int icssg_napi_rx_poll(struct napi_struct *napi_rx, int budget); int prueth_prepare_rx_chan(struct prueth_emac *emac, @@ -432,5 +493,9 @@ void prueth_put_cores(struct prueth *prueth, int slice); /* Revision specific helper */ u64 icssg_ts_to_ns(u32 hi_sw, u32 hi, u32 lo, u32 cycle_time_ns); +u32 emac_xmit_xdp_frame(struct prueth_emac *emac, + struct xdp_frame *xdpf, + struct page *page, + unsigned int q_idx); #endif /* __NET_TI_ICSSG_PRUETH_H */ |