| /* SPDX-License-Identifier: GPL-2.0+ */ | |
| /* | |
| * Copyright 2014-2016 Freescale Semiconductor, Inc. | |
| * Copyright 2017 NXP | |
| */ | |
| #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 (7 * 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) | |
| static const char ldpaa_eth_dpni_stat_strings[][ETH_GSTRING_LEN] = { | |
| "[dpni ] rx frames", | |
| "[dpni ] rx bytes", | |
| "[dpni ] rx mcast frames", | |
| "[dpni ] rx mcast bytes", | |
| "[dpni ] rx bcast frames", | |
| "[dpni ] rx bcast bytes", | |
| "[dpni ] tx frames", | |
| "[dpni ] tx bytes", | |
| "[dpni ] tx mcast frames", | |
| "[dpni ] tx mcast bytes", | |
| "[dpni ] tx bcast frames", | |
| "[dpni ] tx bcast bytes", | |
| "[dpni ] rx filtered frames", | |
| "[dpni ] rx discarded frames", | |
| "[dpni ] rx nobuffer discards", | |
| "[dpni ] tx discarded frames", | |
| "[dpni ] tx confirmed frames", | |
| "[dpni ] tx dequeued bytes", | |
| "[dpni ] tx dequeued frames", | |
| "[dpni ] tx rejected bytes", | |
| "[dpni ] tx rejected frames", | |
| "[dpni ] tx pending frames", | |
| }; | |
| #define LDPAA_ETH_DPNI_NUM_STATS ARRAY_SIZE(ldpaa_eth_dpni_stat_strings) | |
| static const char ldpaa_eth_dpmac_stat_strings[][ETH_GSTRING_LEN] = { | |
| [DPMAC_CNT_ING_ALL_FRAME] = "[mac] rx all frames", | |
| [DPMAC_CNT_ING_GOOD_FRAME] = "[mac] rx frames ok", | |
| [DPMAC_CNT_ING_ERR_FRAME] = "[mac] rx frame errors", | |
| [DPMAC_CNT_ING_FRAME_DISCARD] = "[mac] rx frame discards", | |
| [DPMAC_CNT_ING_UCAST_FRAME] = "[mac] rx u-cast", | |
| [DPMAC_CNT_ING_BCAST_FRAME] = "[mac] rx b-cast", | |
| [DPMAC_CNT_ING_MCAST_FRAME] = "[mac] rx m-cast", | |
| [DPMAC_CNT_ING_FRAME_64] = "[mac] rx 64 bytes", | |
| [DPMAC_CNT_ING_FRAME_127] = "[mac] rx 65-127 bytes", | |
| [DPMAC_CNT_ING_FRAME_255] = "[mac] rx 128-255 bytes", | |
| [DPMAC_CNT_ING_FRAME_511] = "[mac] rx 256-511 bytes", | |
| [DPMAC_CNT_ING_FRAME_1023] = "[mac] rx 512-1023 bytes", | |
| [DPMAC_CNT_ING_FRAME_1518] = "[mac] rx 1024-1518 bytes", | |
| [DPMAC_CNT_ING_FRAME_1519_MAX] = "[mac] rx 1519-max bytes", | |
| [DPMAC_CNT_ING_FRAG] = "[mac] rx frags", | |
| [DPMAC_CNT_ING_JABBER] = "[mac] rx jabber", | |
| [DPMAC_CNT_ING_ALIGN_ERR] = "[mac] rx align errors", | |
| [DPMAC_CNT_ING_OVERSIZED] = "[mac] rx oversized", | |
| [DPMAC_CNT_ING_VALID_PAUSE_FRAME] = "[mac] rx pause", | |
| [DPMAC_CNT_ING_BYTE] = "[mac] rx bytes", | |
| [DPMAC_CNT_EGR_GOOD_FRAME] = "[mac] tx frames ok", | |
| [DPMAC_CNT_EGR_UCAST_FRAME] = "[mac] tx u-cast", | |
| [DPMAC_CNT_EGR_MCAST_FRAME] = "[mac] tx m-cast", | |
| [DPMAC_CNT_EGR_BCAST_FRAME] = "[mac] tx b-cast", | |
| [DPMAC_CNT_EGR_ERR_FRAME] = "[mac] tx frame errors", | |
| [DPMAC_CNT_EGR_UNDERSIZED] = "[mac] tx undersized", | |
| [DPMAC_CNT_EGR_VALID_PAUSE_FRAME] = "[mac] tx b-pause", | |
| [DPMAC_CNT_EGR_BYTE] = "[mac] tx bytes", | |
| }; | |
| #define LDPAA_ETH_DPMAC_NUM_STATS ARRAY_SIZE(ldpaa_eth_dpmac_stat_strings) | |
| struct ldpaa_eth_priv { | |
| struct phy_device *phy; | |
| int phy_mode; | |
| bool started; | |
| uint32_t 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 */ | |
| /* SW kept statistics */ | |
| u64 dpni_stats[LDPAA_ETH_DPNI_NUM_STATS]; | |
| u64 dpmac_stats[LDPAA_ETH_DPMAC_NUM_STATS]; | |
| }; | |
| 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 */ |