/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright 2014-2016 Freescale Semiconductor, Inc. * Copyright 2017 NXP */ #ifndef __LDPAA_ETH_H #define __LDPAA_ETH_H #include #include #include #include #include #include #include #include #include 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 */