diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.h')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.h | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h index 72fa03dbc2dd..4ad4eb5c5a74 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.h +++ b/drivers/net/ethernet/freescale/enetc/enetc.h @@ -41,6 +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 */ @@ -59,9 +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; @@ -231,9 +250,12 @@ 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; }; @@ -341,6 +363,8 @@ 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 { @@ -375,6 +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; |