diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fec.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec.h | 68 |
1 files changed, 28 insertions, 40 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index a8fbcada6b01..fd9a93d02f8e 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -14,19 +14,17 @@ #define FEC_H /****************************************************************************/ +#include <dt-bindings/firmware/imx/rsrc.h> +#include <linux/bpf.h> #include <linux/clocksource.h> +#include <linux/firmware/imx/sci.h> #include <linux/net_tstamp.h> #include <linux/pm_qos.h> -#include <linux/bpf.h> #include <linux/ptp_clock_kernel.h> #include <linux/timecounter.h> -#include <dt-bindings/firmware/imx/rsrc.h> -#include <linux/firmware/imx/sci.h> #include <net/xdp.h> -#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \ - defined(CONFIG_M520x) || defined(CONFIG_M532x) || defined(CONFIG_ARM) || \ - defined(CONFIG_ARM64) || defined(CONFIG_COMPILE_TEST) +#if !defined(CONFIG_M5272) || defined(CONFIG_COMPILE_TEST) /* * Just figures, Motorola would have to change the offsets for * registers in the same peripheral device on different models @@ -115,7 +113,7 @@ #define IEEE_T_MCOL 0x254 /* Frames tx'd with multiple collision */ #define IEEE_T_DEF 0x258 /* Frames tx'd after deferral delay */ #define IEEE_T_LCOL 0x25c /* Frames tx'd with late collision */ -#define IEEE_T_EXCOL 0x260 /* Frames tx'd with excesv collisions */ +#define IEEE_T_EXCOL 0x260 /* Frames tx'd with excessive collisions */ #define IEEE_T_MACERR 0x264 /* Frames tx'd with TX FIFO underrun */ #define IEEE_T_CSERR 0x268 /* Frames tx'd with carrier sense err */ #define IEEE_T_SQE 0x26c /* Frames tx'd with SQE err */ @@ -242,23 +240,6 @@ struct bufdesc_ex { __fec16 res0[4]; }; -/* - * The following definitions courtesy of commproc.h, which where - * Copyright (c) 1997 Dan Malek (dmalek@jlc.net). - */ -#define BD_SC_EMPTY ((ushort)0x8000) /* Receive is empty */ -#define BD_SC_READY ((ushort)0x8000) /* Transmit is ready */ -#define BD_SC_WRAP ((ushort)0x2000) /* Last buffer descriptor */ -#define BD_SC_INTRPT ((ushort)0x1000) /* Interrupt on change */ -#define BD_SC_CM ((ushort)0x0200) /* Continuous mode */ -#define BD_SC_ID ((ushort)0x0100) /* Rec'd too many idles */ -#define BD_SC_P ((ushort)0x0100) /* xmt preamble */ -#define BD_SC_BR ((ushort)0x0020) /* Break received */ -#define BD_SC_FR ((ushort)0x0010) /* Framing error */ -#define BD_SC_PR ((ushort)0x0008) /* Parity error */ -#define BD_SC_OV ((ushort)0x0002) /* Overrun */ -#define BD_SC_CD ((ushort)0x0001) /* ?? */ - /* Buffer descriptor control/status used by Ethernet receive. */ #define BD_ENET_RX_EMPTY ((ushort)0x8000) @@ -342,16 +323,17 @@ struct bufdesc_ex { #define FEC_TX_BD_FTYPE(X) (((X) & 0xf) << 20) /* The number of Tx and Rx buffers. These are allocated from the page - * pool. The code may assume these are power of two, so it it best + * pool. The code may assume these are power of two, so it is best * to keep them that size. * We don't need to allocate pages for the transmitter. We just use * the skbuffer directly. */ +#define FEC_DRV_RESERVE_SPACE (XDP_PACKET_HEADROOM + \ + SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) #define FEC_ENET_XDP_HEADROOM (XDP_PACKET_HEADROOM) #define FEC_ENET_RX_PAGES 256 -#define FEC_ENET_RX_FRSIZE (PAGE_SIZE - FEC_ENET_XDP_HEADROOM \ - - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) +#define FEC_ENET_RX_FRSIZE (PAGE_SIZE - FEC_DRV_RESERVE_SPACE) #define FEC_ENET_RX_FRPPG (PAGE_SIZE / FEC_ENET_RX_FRSIZE) #define RX_RING_SIZE (FEC_ENET_RX_FRPPG * FEC_ENET_RX_PAGES) #define FEC_ENET_TX_FRSIZE 2048 @@ -460,7 +442,7 @@ struct bufdesc_ex { #define FEC_QUIRK_SINGLE_MDIO (1 << 11) /* Controller supports RACC register */ #define FEC_QUIRK_HAS_RACC (1 << 12) -/* Controller supports interrupt coalesc */ +/* Controller supports interrupt coalesce */ #define FEC_QUIRK_HAS_COALESCE (1 << 13) /* Interrupt doesn't wake CPU from deep idle */ #define FEC_QUIRK_ERR006687 (1 << 14) @@ -495,7 +477,7 @@ struct bufdesc_ex { */ #define FEC_QUIRK_HAS_EEE (1 << 20) -/* i.MX8QM ENET IP version add new feture to generate delayed TXC/RXC +/* i.MX8QM ENET IP version add new feature to generate delayed TXC/RXC * as an alternative option to make sure it works well with various PHYs. * For the implementation of delayed clock, ENET takes synchronized 250MHz * clocks to generate 2ns delay. @@ -513,6 +495,9 @@ struct bufdesc_ex { */ #define FEC_QUIRK_HAS_MDIO_C45 BIT(24) +/* Jumbo Frame support */ +#define FEC_QUIRK_JUMBO_FRAME BIT(25) + struct bufdesc_prop { int qid; /* Address of Rx and Tx buffers */ @@ -526,12 +511,6 @@ struct bufdesc_prop { unsigned char dsize_log2; }; -struct fec_enet_priv_txrx_info { - int offset; - struct page *page; - struct sk_buff *skb; -}; - enum { RX_XDP_REDIRECT = 0, RX_XDP_PASS, @@ -571,7 +550,7 @@ struct fec_enet_priv_tx_q { struct fec_enet_priv_rx_q { struct bufdesc_prop bd; - struct fec_enet_priv_txrx_info rx_skb_info[RX_RING_SIZE]; + struct page *rx_buf[RX_RING_SIZE]; /* page_pool */ struct page_pool *page_pool; @@ -614,12 +593,14 @@ struct fec_enet_private { unsigned int num_tx_queues; unsigned int num_rx_queues; - /* The saved address of a sent-in-place packet/buffer, for skfree(). */ struct fec_enet_priv_tx_q *tx_queue[FEC_ENET_MAX_TX_QS]; struct fec_enet_priv_rx_q *rx_queue[FEC_ENET_MAX_RX_QS]; unsigned int total_tx_ring_size; unsigned int total_rx_ring_size; + unsigned int max_buf_size; + unsigned int pagepool_order; + unsigned int rx_frame_size; struct platform_device *pdev; @@ -662,7 +643,6 @@ struct fec_enet_private { struct pm_qos_request pm_qos_req; unsigned int tx_align; - unsigned int rx_align; /* hw interrupt coalesce */ unsigned int rx_pkts_itr; @@ -671,8 +651,6 @@ struct fec_enet_private { unsigned int tx_time_itr; unsigned int itr_clk_rate; - /* tx lpi eee mode */ - struct ethtool_eee eee; unsigned int clk_ref_rate; /* ptp clock period in ns*/ @@ -683,6 +661,7 @@ struct fec_enet_private { unsigned int reload_period; int pps_enable; unsigned int next_counter; + bool perout_enable; struct hrtimer perout_timer; u64 perout_stime; @@ -691,10 +670,19 @@ struct fec_enet_private { /* XDP BPF Program */ struct bpf_prog *xdp_prog; + struct { + int pps_enable; + u64 ns_sys, ns_phc; + u32 at_corr; + u8 at_inc_corr; + } ptp_saved_state; + u64 ethtool_stats[]; }; void fec_ptp_init(struct platform_device *pdev, int irq_idx); +void fec_ptp_restore_state(struct fec_enet_private *fep); +void fec_ptp_save_state(struct fec_enet_private *fep); void fec_ptp_stop(struct platform_device *pdev); void fec_ptp_start_cyclecounter(struct net_device *ndev); int fec_ptp_set(struct net_device *ndev, struct kernel_hwtstamp_config *config, |