diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.h | 69 |
1 files changed, 59 insertions, 10 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index a9c2ff22431c..4ad4eb5c5a74 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -14,6 +14,7 @@ #include <net/xdp.h> #include "enetc_hw.h" +#include "enetc4_hw.h" #define ENETC_MAC_MAXFRM_SIZE 9600 #define ENETC_MAX_MTU (ENETC_MAC_MAXFRM_SIZE - \ @@ -40,6 +41,18 @@ struct enetc_tx_swbd { u8 qbv_en:1; }; +struct enetc_lso_t { + bool ipv6; + bool tcp; + u8 l3_hdr_len; + u8 hdr_len; /* LSO header length */ + u8 l3_start; + u16 lso_seg_size; + int total_len; /* total data length, not include LSO header */ +}; + +#define ENETC_LSO_MAX_DATA_LEN SZ_256K + #define ENETC_RX_MAXFRM_SIZE ENETC_MAC_MAXFRM_SIZE #define ENETC_RXB_TRUESIZE 2048 /* PAGE_SIZE >> 1 */ #define ENETC_RXB_PAD NET_SKB_PAD /* add extra space if needed */ @@ -58,9 +71,16 @@ struct enetc_rx_swbd { /* ENETC overhead: optional extension BD + 1 BD gap */ #define ENETC_TXBDS_NEEDED(val) ((val) + 2) -/* max # of chained Tx BDs is 15, including head and extension BD */ +/* For LS1028A, max # of chained Tx BDs is 15, including head and + * extension BD. + */ #define ENETC_MAX_SKB_FRAGS 13 -#define ENETC_TXBDS_MAX_NEEDED ENETC_TXBDS_NEEDED(ENETC_MAX_SKB_FRAGS + 1) +/* For ENETC v4 and later versions, max # of chained Tx BDs is 63, + * including head and extension BD, but the range of MAX_SKB_FRAGS + * is 17 ~ 45, so set ENETC4_MAX_SKB_FRAGS to MAX_SKB_FRAGS. + */ +#define ENETC4_MAX_SKB_FRAGS MAX_SKB_FRAGS +#define ENETC_TXBDS_MAX_NEEDED(x) ENETC_TXBDS_NEEDED((x) + 1) struct enetc_ring_stats { unsigned int packets; @@ -184,10 +204,9 @@ static inline union enetc_rx_bd *enetc_rxbd(struct enetc_bdr *rx_ring, int i) { int hw_idx = i; -#ifdef CONFIG_FSL_ENETC_PTP_CLOCK - if (rx_ring->ext_en) + if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en) hw_idx = 2 * i; -#endif + return &(((union enetc_rx_bd *)rx_ring->bd_base)[hw_idx]); } @@ -199,10 +218,8 @@ static inline void enetc_rxbd_next(struct enetc_bdr *rx_ring, new_rxbd++; -#ifdef CONFIG_FSL_ENETC_PTP_CLOCK - if (rx_ring->ext_en) + if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en) new_rxbd++; -#endif if (unlikely(++new_index == rx_ring->bd_count)) { new_rxbd = rx_ring->bd_base; @@ -233,6 +250,21 @@ enum enetc_errata { #define ENETC_SI_F_PSFP BIT(0) #define ENETC_SI_F_QBV BIT(1) #define ENETC_SI_F_QBU BIT(2) +#define ENETC_SI_F_LSO BIT(3) + +struct enetc_drvdata { + u32 pmac_offset; /* Only valid for PSI which supports 802.1Qbu */ + u8 tx_csum:1; + u8 max_frags; + u64 sysclk_freq; + const struct ethtool_ops *eth_ops; +}; + +struct enetc_platform_info { + u16 revision; + u16 dev_id; + const struct enetc_drvdata *data; +}; /* PCI IEP device data */ struct enetc_si { @@ -249,11 +281,18 @@ struct enetc_si { int num_fs_entries; int num_rss; /* number of RSS buckets */ unsigned short pad; + u16 revision; int hw_features; + const struct enetc_drvdata *drvdata; }; #define ENETC_SI_ALIGN 32 +static inline bool is_enetc_rev1(struct enetc_si *si) +{ + return si->pdev->revision == ENETC_REV1; +} + static inline void *enetc_si_priv(const struct enetc_si *si) { return (char *)si + ALIGN(sizeof(struct enetc_si), ENETC_SI_ALIGN); @@ -305,7 +344,7 @@ struct enetc_cls_rule { int used; }; -#define ENETC_MAX_BDR_INT 2 /* fixed to max # of available cpus */ +#define ENETC_MAX_BDR_INT 6 /* fixed to max # of available cpus */ struct psfp_cap { u32 max_streamid; u32 max_psfp_filter; @@ -324,10 +363,13 @@ enum enetc_active_offloads { ENETC_F_QBV = BIT(9), ENETC_F_QCI = BIT(10), ENETC_F_QBU = BIT(11), + ENETC_F_TXCSUM = BIT(12), + ENETC_F_LSO = BIT(13), }; enum enetc_flags_bit { ENETC_TX_ONESTEP_TSTAMP_IN_PROGRESS = 0, + ENETC_TX_DOWN, }; /* interrupt coalescing modes */ @@ -343,7 +385,6 @@ enum enetc_ic_mode { #define ENETC_RXIC_PKTTHR min_t(u32, 256, ENETC_RX_RING_DEFAULT_SIZE / 2) #define ENETC_TXIC_PKTTHR min_t(u32, 128, ENETC_TX_RING_DEFAULT_SIZE / 2) -#define ENETC_TXIC_TIMETHR enetc_usecs_to_cycles(600) struct enetc_ndev_priv { struct net_device *ndev; @@ -358,6 +399,7 @@ struct enetc_ndev_priv { u16 msg_enable; u8 preemptible_tcs; + u8 max_frags; /* The maximum number of BDs for fragments */ enum enetc_active_offloads active_offloads; @@ -391,6 +433,9 @@ struct enetc_ndev_priv { * and link state updates */ struct mutex mm_lock; + + struct clk *ref_clk; /* RGMII/RMII reference clock */ + u64 sysclk_freq; /* NETC system clock frequency */ }; /* Messaging */ @@ -420,6 +465,7 @@ void enetc_init_si_rings_params(struct enetc_ndev_priv *priv); int enetc_alloc_si_resources(struct enetc_ndev_priv *priv); void enetc_free_si_resources(struct enetc_ndev_priv *priv); int enetc_configure_si(struct enetc_ndev_priv *priv); +int enetc_get_driver_data(struct enetc_si *si); int enetc_open(struct net_device *ndev); int enetc_close(struct net_device *ndev); @@ -436,6 +482,9 @@ int enetc_xdp_xmit(struct net_device *ndev, int num_frames, struct xdp_frame **frames, u32 flags); /* ethtool */ +extern const struct ethtool_ops enetc_pf_ethtool_ops; +extern const struct ethtool_ops enetc4_pf_ethtool_ops; +extern const struct ethtool_ops enetc_vf_ethtool_ops; void enetc_set_ethtool_ops(struct net_device *ndev); void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link); void enetc_mm_commit_preemptible_tcs(struct enetc_ndev_priv *priv); |