| /* |
| * Copyright (C) 2014 Freescale Semiconductor |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __LDPAA_ETH_H |
| #define __LDPAA_ETH_H |
| |
| #include <linux/netdevice.h> |
| #include <fsl-mc/fsl_mc.h> |
| #include <fsl-mc/fsl_dpaa_fd.h> |
| #include <fsl-mc/fsl_dprc.h> |
| #include <fsl-mc/fsl_dpni.h> |
| #include <fsl-mc/fsl_dpbp.h> |
| #include <fsl-mc/fsl_dpio.h> |
| #include <fsl-mc/fsl_qbman_portal.h> |
| #include <fsl-mc/fsl_mc_private.h> |
| |
| |
| enum ldpaa_eth_type { |
| LDPAA_ETH_1G_E, |
| LDPAA_ETH_10G_E, |
| }; |
| |
| /* Arbitrary values for now, but we'll need to tune */ |
| #define LDPAA_ETH_NUM_BUFS (2 * 7) |
| #define LDPAA_ETH_REFILL_THRESH (LDPAA_ETH_NUM_BUFS/2) |
| #define LDPAA_ETH_RX_BUFFER_SIZE 2048 |
| |
| /* Hardware requires alignment for buffer address and length: 256-byte |
| * for ingress, 64-byte for egress. Using 256 for both. |
| */ |
| #define LDPAA_ETH_BUF_ALIGN 256 |
| |
| /* So far we're only accomodating a skb backpointer in the frame's |
| * software annotation, but the hardware options are either 0 or 64. |
| */ |
| #define LDPAA_ETH_SWA_SIZE 64 |
| |
| /* Annotation valid bits in FD FRC */ |
| #define LDPAA_FD_FRC_FASV 0x8000 |
| #define LDPAA_FD_FRC_FAEADV 0x4000 |
| #define LDPAA_FD_FRC_FAPRV 0x2000 |
| #define LDPAA_FD_FRC_FAIADV 0x1000 |
| #define LDPAA_FD_FRC_FASWOV 0x0800 |
| #define LDPAA_FD_FRC_FAICFDV 0x0400 |
| |
| /* Annotation bits in FD CTRL */ |
| #define LDPAA_FD_CTRL_ASAL 0x00020000 /* ASAL = 128 */ |
| #define LDPAA_FD_CTRL_PTA 0x00800000 |
| #define LDPAA_FD_CTRL_PTV1 0x00400000 |
| |
| /* TODO: we may want to move this and other WRIOP related defines |
| * to a separate header |
| */ |
| /* Frame annotation status */ |
| struct ldpaa_fas { |
| u8 reserved; |
| u8 ppid; |
| __le16 ifpid; |
| __le32 status; |
| } __packed; |
| |
| /* Debug frame, otherwise supposed to be discarded */ |
| #define LDPAA_ETH_FAS_DISC 0x80000000 |
| /* MACSEC frame */ |
| #define LDPAA_ETH_FAS_MS 0x40000000 |
| #define LDPAA_ETH_FAS_PTP 0x08000000 |
| /* Ethernet multicast frame */ |
| #define LDPAA_ETH_FAS_MC 0x04000000 |
| /* Ethernet broadcast frame */ |
| #define LDPAA_ETH_FAS_BC 0x02000000 |
| #define LDPAA_ETH_FAS_KSE 0x00040000 |
| #define LDPAA_ETH_FAS_EOFHE 0x00020000 |
| #define LDPAA_ETH_FAS_MNLE 0x00010000 |
| #define LDPAA_ETH_FAS_TIDE 0x00008000 |
| #define LDPAA_ETH_FAS_PIEE 0x00004000 |
| /* Frame length error */ |
| #define LDPAA_ETH_FAS_FLE 0x00002000 |
| /* Frame physical error; our favourite pastime */ |
| #define LDPAA_ETH_FAS_FPE 0x00001000 |
| #define LDPAA_ETH_FAS_PTE 0x00000080 |
| #define LDPAA_ETH_FAS_ISP 0x00000040 |
| #define LDPAA_ETH_FAS_PHE 0x00000020 |
| #define LDPAA_ETH_FAS_BLE 0x00000010 |
| /* L3 csum validation performed */ |
| #define LDPAA_ETH_FAS_L3CV 0x00000008 |
| /* L3 csum error */ |
| #define LDPAA_ETH_FAS_L3CE 0x00000004 |
| /* L4 csum validation performed */ |
| #define LDPAA_ETH_FAS_L4CV 0x00000002 |
| /* L4 csum error */ |
| #define LDPAA_ETH_FAS_L4CE 0x00000001 |
| /* These bits always signal errors */ |
| #define LDPAA_ETH_RX_ERR_MASK (LDPAA_ETH_FAS_DISC | \ |
| LDPAA_ETH_FAS_KSE | \ |
| LDPAA_ETH_FAS_EOFHE | \ |
| LDPAA_ETH_FAS_MNLE | \ |
| LDPAA_ETH_FAS_TIDE | \ |
| LDPAA_ETH_FAS_PIEE | \ |
| LDPAA_ETH_FAS_FLE | \ |
| LDPAA_ETH_FAS_FPE | \ |
| LDPAA_ETH_FAS_PTE | \ |
| LDPAA_ETH_FAS_ISP | \ |
| LDPAA_ETH_FAS_PHE | \ |
| LDPAA_ETH_FAS_BLE | \ |
| LDPAA_ETH_FAS_L3CE | \ |
| LDPAA_ETH_FAS_L4CE) |
| /* Unsupported features in the ingress */ |
| #define LDPAA_ETH_RX_UNSUPP_MASK LDPAA_ETH_FAS_MS |
| /* TODO trim down the bitmask; not all of them apply to Tx-confirm */ |
| #define LDPAA_ETH_TXCONF_ERR_MASK (LDPAA_ETH_FAS_KSE | \ |
| LDPAA_ETH_FAS_EOFHE | \ |
| LDPAA_ETH_FAS_MNLE | \ |
| LDPAA_ETH_FAS_TIDE) |
| |
| struct ldpaa_eth_priv { |
| struct eth_device *net_dev; |
| int dpmac_id; |
| uint16_t dpmac_handle; |
| |
| uint16_t tx_data_offset; |
| |
| uint32_t rx_dflt_fqid; |
| uint16_t tx_qdid; |
| uint16_t tx_flow_id; |
| |
| enum ldpaa_eth_type type; /* 1G or 10G ethernet */ |
| struct phy_device *phydev; |
| }; |
| |
| struct dprc_endpoint dpmac_endpoint; |
| struct dprc_endpoint dpni_endpoint; |
| |
| extern struct fsl_mc_io *dflt_mc_io; |
| extern struct fsl_dpbp_obj *dflt_dpbp; |
| extern struct fsl_dpio_obj *dflt_dpio; |
| extern struct fsl_dpni_obj *dflt_dpni; |
| extern uint16_t dflt_dprc_handle; |
| |
| static void ldpaa_dpbp_drain_cnt(int count); |
| static void ldpaa_dpbp_drain(void); |
| static int ldpaa_dpbp_seed(uint16_t bpid); |
| static void ldpaa_dpbp_free(void); |
| static int ldpaa_dpni_setup(struct ldpaa_eth_priv *priv); |
| static int ldpaa_dpbp_setup(void); |
| static int ldpaa_dpni_bind(struct ldpaa_eth_priv *priv); |
| static int ldpaa_dpmac_setup(struct ldpaa_eth_priv *priv); |
| static int ldpaa_dpmac_bind(struct ldpaa_eth_priv *priv); |
| #endif /* __LDPAA_H */ |