diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h | 87 |
1 files changed, 30 insertions, 57 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h index 3d61a8cb60b0..8892a94f00c3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h @@ -1,8 +1,7 @@ /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ /* Copyright (C) 2015-2018 Netronome Systems, Inc. */ -/* - * nfp_net_ctrl.h +/* nfp_net_ctrl.h * Netronome network device driver: Control BAR layout * Authors: Jakub Kicinski <jakub.kicinski@netronome.com> * Jason McMullan <jason.mcmullan@netronome.com> @@ -15,30 +14,24 @@ #include <linux/types.h> -/** - * Configuration BAR size. +/* Configuration BAR size. * * The configuration BAR is 8K in size, but due to * THB-350, 32k needs to be reserved. */ #define NFP_NET_CFG_BAR_SZ (32 * 1024) -/** - * Offset in Freelist buffer where packet starts on RX - */ +/* Offset in Freelist buffer where packet starts on RX */ #define NFP_NET_RX_OFFSET 32 -/** - * LSO parameters +/* LSO parameters * %NFP_NET_LSO_MAX_HDR_SZ: Maximum header size supported for LSO frames * %NFP_NET_LSO_MAX_SEGS: Maximum number of segments LSO frame can produce */ #define NFP_NET_LSO_MAX_HDR_SZ 255 #define NFP_NET_LSO_MAX_SEGS 64 -/** - * Prepend field types - */ +/* Prepend field types */ #define NFP_NET_META_FIELD_SIZE 4 #define NFP_NET_META_HASH 1 /* next field carries hash type */ #define NFP_NET_META_MARK 2 @@ -49,9 +42,7 @@ #define NFP_META_PORT_ID_CTRL ~0U -/** - * Hash type pre-pended when a RSS hash was computed - */ +/* Hash type pre-pended when a RSS hash was computed */ #define NFP_NET_RSS_NONE 0 #define NFP_NET_RSS_IPV4 1 #define NFP_NET_RSS_IPV6 2 @@ -63,16 +54,14 @@ #define NFP_NET_RSS_IPV6_UDP 8 #define NFP_NET_RSS_IPV6_EX_UDP 9 -/** - * Ring counts +/* Ring counts * %NFP_NET_TXR_MAX: Maximum number of TX rings * %NFP_NET_RXR_MAX: Maximum number of RX rings */ #define NFP_NET_TXR_MAX 64 #define NFP_NET_RXR_MAX 64 -/** - * Read/Write config words (0x0000 - 0x002c) +/* Read/Write config words (0x0000 - 0x002c) * %NFP_NET_CFG_CTRL: Global control * %NFP_NET_CFG_UPDATE: Indicate which fields are updated * %NFP_NET_CFG_TXRS_ENABLE: Bitmask of enabled TX rings @@ -103,7 +92,6 @@ #define NFP_NET_CFG_CTRL_RINGCFG (0x1 << 16) /* Ring runtime changes */ #define NFP_NET_CFG_CTRL_RSS (0x1 << 17) /* RSS (version 1) */ #define NFP_NET_CFG_CTRL_IRQMOD (0x1 << 18) /* Interrupt moderation */ -#define NFP_NET_CFG_CTRL_RINGPRIO (0x1 << 19) /* Ring priorities */ #define NFP_NET_CFG_CTRL_MSIXAUTO (0x1 << 20) /* MSI-X auto-masking */ #define NFP_NET_CFG_CTRL_TXRWB (0x1 << 21) /* Write-back of TX ring*/ #define NFP_NET_CFG_CTRL_VXLAN (0x1 << 24) /* VXLAN tunnel support */ @@ -147,8 +135,7 @@ #define NFP_NET_CFG_LSC 0x0020 #define NFP_NET_CFG_MACADDR 0x0024 -/** - * Read-only words (0x0030 - 0x0050): +/* Read-only words (0x0030 - 0x0050): * %NFP_NET_CFG_VERSION: Firmware version number * %NFP_NET_CFG_STS: Status * %NFP_NET_CFG_CAP: Capabilities (same bits as %NFP_NET_CFG_CTRL) @@ -162,7 +149,10 @@ * - define more STS bits */ #define NFP_NET_CFG_VERSION 0x0030 -#define NFP_NET_CFG_VERSION_RESERVED_MASK (0xff << 24) +#define NFP_NET_CFG_VERSION_RESERVED_MASK (0xfe << 24) +#define NFP_NET_CFG_VERSION_DP_NFD3 0 +#define NFP_NET_CFG_VERSION_DP_NFDK 1 +#define NFP_NET_CFG_VERSION_DP_MASK 1 #define NFP_NET_CFG_VERSION_CLASS_MASK (0xff << 16) #define NFP_NET_CFG_VERSION_CLASS(x) (((x) & 0xff) << 16) #define NFP_NET_CFG_VERSION_CLASS_GENERIC 0 @@ -193,36 +183,31 @@ #define NFP_NET_CFG_START_TXQ 0x0048 #define NFP_NET_CFG_START_RXQ 0x004c -/** - * Prepend configuration +/* Prepend configuration */ #define NFP_NET_CFG_RX_OFFSET 0x0050 #define NFP_NET_CFG_RX_OFFSET_DYNAMIC 0 /* Prepend mode */ -/** - * RSS capabilities +/* RSS capabilities * %NFP_NET_CFG_RSS_CAP_HFUNC: supported hash functions (same bits as * %NFP_NET_CFG_RSS_HFUNC) */ #define NFP_NET_CFG_RSS_CAP 0x0054 #define NFP_NET_CFG_RSS_CAP_HFUNC 0xff000000 -/** - * TLV area start +/* TLV area start * %NFP_NET_CFG_TLV_BASE: start anchor of the TLV area */ #define NFP_NET_CFG_TLV_BASE 0x0058 -/** - * VXLAN/UDP encap configuration +/* VXLAN/UDP encap configuration * %NFP_NET_CFG_VXLAN_PORT: Base address of table of tunnels' UDP dst ports * %NFP_NET_CFG_VXLAN_SZ: Size of the UDP port table in bytes */ #define NFP_NET_CFG_VXLAN_PORT 0x0060 #define NFP_NET_CFG_VXLAN_SZ 0x0008 -/** - * BPF section +/* BPF section * %NFP_NET_CFG_BPF_ABI: BPF ABI version * %NFP_NET_CFG_BPF_CAP: BPF capabilities * %NFP_NET_CFG_BPF_MAX_LEN: Maximum size of JITed BPF code in bytes @@ -247,14 +232,12 @@ #define NFP_NET_CFG_BPF_CFG_MASK 7ULL #define NFP_NET_CFG_BPF_ADDR_MASK (~NFP_NET_CFG_BPF_CFG_MASK) -/** - * 40B reserved for future use (0x0098 - 0x00c0) +/* 40B reserved for future use (0x0098 - 0x00c0) */ #define NFP_NET_CFG_RESERVED 0x0098 #define NFP_NET_CFG_RESERVED_SZ 0x0028 -/** - * RSS configuration (0x0100 - 0x01ac): +/* RSS configuration (0x0100 - 0x01ac): * Used only when NFP_NET_CFG_CTRL_RSS is enabled * %NFP_NET_CFG_RSS_CFG: RSS configuration word * %NFP_NET_CFG_RSS_KEY: RSS "secret" key @@ -281,8 +264,7 @@ NFP_NET_CFG_RSS_KEY_SZ) #define NFP_NET_CFG_RSS_ITBL_SZ 0x80 -/** - * TX ring configuration (0x200 - 0x800) +/* TX ring configuration (0x200 - 0x800) * %NFP_NET_CFG_TXR_BASE: Base offset for TX ring configuration * %NFP_NET_CFG_TXR_ADDR: Per TX ring DMA address (8B entries) * %NFP_NET_CFG_TXR_WB_ADDR: Per TX ring write back DMA address (8B entries) @@ -301,8 +283,7 @@ #define NFP_NET_CFG_TXR_IRQ_MOD(_x) (NFP_NET_CFG_TXR_BASE + 0x500 + \ ((_x) * 0x4)) -/** - * RX ring configuration (0x0800 - 0x0c00) +/* RX ring configuration (0x0800 - 0x0c00) * %NFP_NET_CFG_RXR_BASE: Base offset for RX ring configuration * %NFP_NET_CFG_RXR_ADDR: Per RX ring DMA address (8B entries) * %NFP_NET_CFG_RXR_SZ: Per RX ring ring size (1B entries) @@ -318,8 +299,7 @@ #define NFP_NET_CFG_RXR_IRQ_MOD(_x) (NFP_NET_CFG_RXR_BASE + 0x300 + \ ((_x) * 0x4)) -/** - * Interrupt Control/Cause registers (0x0c00 - 0x0d00) +/* Interrupt Control/Cause registers (0x0c00 - 0x0d00) * These registers are only used when MSI-X auto-masking is not * enabled (%NFP_NET_CFG_CTRL_MSIXAUTO not set). The array is index * by MSI-X entry and are 1B in size. If an entry is zero, the @@ -334,8 +314,7 @@ #define NFP_NET_CFG_ICR_RXTX 0x1 #define NFP_NET_CFG_ICR_LSC 0x2 -/** - * General device stats (0x0d00 - 0x0d90) +/* General device stats (0x0d00 - 0x0d90) * all counters are 64bit. */ #define NFP_NET_CFG_STATS_BASE 0x0d00 @@ -368,8 +347,7 @@ #define NFP_NET_CFG_STATS_APP3_FRAMES (NFP_NET_CFG_STATS_BASE + 0xc0) #define NFP_NET_CFG_STATS_APP3_BYTES (NFP_NET_CFG_STATS_BASE + 0xc8) -/** - * Per ring stats (0x1000 - 0x1800) +/* Per ring stats (0x1000 - 0x1800) * options, 64bit per entry * %NFP_NET_CFG_TXR_STATS: TX ring statistics (Packet and Byte count) * %NFP_NET_CFG_RXR_STATS: RX ring statistics (Packet and Byte count) @@ -381,8 +359,7 @@ #define NFP_NET_CFG_RXR_STATS(_x) (NFP_NET_CFG_RXR_STATS_BASE + \ ((_x) * 0x10)) -/** - * General use mailbox area (0x1800 - 0x19ff) +/* General use mailbox area (0x1800 - 0x19ff) * 4B used for update command and 4B return code * followed by a max of 504B of variable length value */ @@ -399,8 +376,7 @@ #define NFP_NET_CFG_MBOX_CMD_PCI_DSCP_PRIOMAP_SET 5 #define NFP_NET_CFG_MBOX_CMD_TLV_CMSG 6 -/** - * VLAN filtering using general use mailbox +/* VLAN filtering using general use mailbox * %NFP_NET_CFG_VLAN_FILTER: Base address of VLAN filter mailbox * %NFP_NET_CFG_VLAN_FILTER_VID: VLAN ID to filter * %NFP_NET_CFG_VLAN_FILTER_PROTO: VLAN proto to filter @@ -411,8 +387,7 @@ #define NFP_NET_CFG_VLAN_FILTER_PROTO (NFP_NET_CFG_VLAN_FILTER + 2) #define NFP_NET_CFG_VLAN_FILTER_SZ 0x0004 -/** - * TLV capabilities +/* TLV capabilities * %NFP_NET_CFG_TLV_TYPE: Offset of type within the TLV * %NFP_NET_CFG_TLV_TYPE_REQUIRED: Driver must be able to parse the TLV * %NFP_NET_CFG_TLV_LENGTH: Offset of length within the TLV @@ -438,8 +413,7 @@ #define NFP_NET_CFG_TLV_HEADER_TYPE 0x7fff0000 #define NFP_NET_CFG_TLV_HEADER_LENGTH 0x0000ffff -/** - * Capability TLV types +/* Capability TLV types * * %NFP_NET_CFG_TLV_TYPE_UNKNOWN: * Special TLV type to catch bugs, should never be encountered. Drivers should @@ -512,8 +486,7 @@ struct device; -/** - * struct nfp_net_tlv_caps - parsed control BAR TLV capabilities +/* struct nfp_net_tlv_caps - parsed control BAR TLV capabilities * @me_freq_mhz: ME clock_freq (MHz) * @mbox_off: vNIC mailbox area offset * @mbox_len: vNIC mailbox area length |