--- /dev/null
+/*
+ * vxge-traffic.h: iPXE driver for Neterion Inc's X3100 Series 10GbE
+ * PCIe I/O Virtualized Server Adapter.
+ *
+ * Copyright(c) 2002-2010 Neterion Inc.
+ *
+ * This software may be used and distributed according to the terms of
+ * the GNU General Public License (GPL), incorporated herein by
+ * reference. Drivers based on or derived from this code fall under
+ * the GPL and must retain the authorship, copyright and license
+ * notice.
+ *
+ */
+
+FILE_LICENCE(GPL2_ONLY);
+
+#ifndef VXGE_TRAFFIC_H
+#define VXGE_TRAFFIC_H
+
+#include <stdint.h>
+#include <ipxe/if_ether.h>
+#include <ipxe/iobuf.h>
+
+#include "vxge_reg.h"
+#include "vxge_version.h"
+
+#define VXGE_HW_DTR_MAX_T_CODE 16
+#define VXGE_HW_ALL_FOXES 0xFFFFFFFFFFFFFFFFULL
+#define VXGE_HW_INTR_MASK_ALL 0xFFFFFFFFFFFFFFFFULL
+#define VXGE_HW_MAX_VIRTUAL_PATHS 17
+
+#define VXGE_HW_MAX_VIRTUAL_FUNCTIONS 8
+
+#define VXGE_HW_MAC_MAX_MAC_PORT_ID 3
+
+#define VXGE_HW_DEFAULT_32 0xffffffff
+/* frames sizes */
+#define VXGE_HW_HEADER_802_2_SIZE 3
+#define VXGE_HW_HEADER_SNAP_SIZE 5
+#define VXGE_HW_HEADER_VLAN_SIZE 4
+#define VXGE_HW_MAC_HEADER_MAX_SIZE \
+ (ETH_HLEN + \
+ VXGE_HW_HEADER_802_2_SIZE + \
+ VXGE_HW_HEADER_VLAN_SIZE + \
+ VXGE_HW_HEADER_SNAP_SIZE)
+
+/* 32bit alignments */
+
+/* A receive data corruption can occur resulting in either a single-bit or
+double-bit ECC error being flagged in the ASIC if the starting offset of a
+buffer in single buffer mode is 0x2 to 0xa. The single bit ECC error will not
+lock up the card but can hide the data corruption while the double-bit ECC
+error will lock up the card. Limiting the starting offset of the buffers to
+0x0, 0x1 or to a value greater than 0xF will workaround this issue.
+VXGE_HW_HEADER_ETHERNET_II_802_3_ALIGN of 2 causes the starting offset of
+buffer to be 0x2, 0x12 and so on, to have the start of the ip header dword
+aligned. The start of buffer of 0x2 will cause this problem to occur. To
+avoid this problem in all cases, add 0x10 to 0x2, to ensure that the start of
+buffer is outside of the problem causing offsets.
+*/
+#define VXGE_HW_HEADER_ETHERNET_II_802_3_ALIGN 0x12
+#define VXGE_HW_HEADER_802_2_SNAP_ALIGN 2
+#define VXGE_HW_HEADER_802_2_ALIGN 3
+#define VXGE_HW_HEADER_SNAP_ALIGN 1
+
+#define VXGE_HW_L3_CKSUM_OK 0xFFFF
+#define VXGE_HW_L4_CKSUM_OK 0xFFFF
+
+/* Forward declarations */
+struct __vxge_hw_device;
+struct __vxge_hw_virtualpath;
+struct __vxge_hw_fifo;
+struct __vxge_hw_ring;
+struct vxge_hw_ring_rxd_1;
+struct vxge_hw_fifo_txd;
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+/*VXGE_HW_STATUS_H*/
+#define VXGE_HW_EVENT_BASE 0
+#define VXGE_LL_EVENT_BASE 100
+
+/**
+ * enum vxge_hw_event- Enumerates slow-path HW events.
+ * @VXGE_HW_EVENT_UNKNOWN: Unknown (and invalid) event.
+ * @VXGE_HW_EVENT_SERR: Serious vpath hardware error event.
+ * @VXGE_HW_EVENT_ECCERR: vpath ECC error event.
+ * @VXGE_HW_EVENT_VPATH_ERR: Error local to the respective vpath
+ * @VXGE_HW_EVENT_FIFO_ERR: FIFO Doorbell fifo error.
+ * @VXGE_HW_EVENT_SRPCIM_SERR: srpcim hardware error event.
+ * @VXGE_HW_EVENT_MRPCIM_SERR: mrpcim hardware error event.
+ * @VXGE_HW_EVENT_MRPCIM_ECCERR: mrpcim ecc error event.
+ * @VXGE_HW_EVENT_RESET_START: Privileged entity is starting device reset
+ * @VXGE_HW_EVENT_RESET_COMPLETE: Device reset has been completed
+ * @VXGE_HW_EVENT_SLOT_FREEZE: Slot-freeze event. Driver tries to distinguish
+ * slot-freeze from the rest critical events (e.g. ECC) when it is
+ * impossible to PIO read "through" the bus, i.e. when getting all-foxes.
+ *
+ * enum vxge_hw_event enumerates slow-path HW eventis.
+ *
+ * See also: struct vxge_hw_uld_cbs{}, vxge_uld_link_up_f{},
+ * vxge_uld_link_down_f{}.
+ */
+enum vxge_hw_event {
+ VXGE_HW_EVENT_UNKNOWN = 0,
+ /* HW events */
+ VXGE_HW_EVENT_RESET_START = VXGE_HW_EVENT_BASE + 1,
+ VXGE_HW_EVENT_RESET_COMPLETE = VXGE_HW_EVENT_BASE + 2,
+ VXGE_HW_EVENT_LINK_DOWN = VXGE_HW_EVENT_BASE + 3,
+ VXGE_HW_EVENT_LINK_UP = VXGE_HW_EVENT_BASE + 4,
+ VXGE_HW_EVENT_ALARM_CLEARED = VXGE_HW_EVENT_BASE + 5,
+ VXGE_HW_EVENT_ECCERR = VXGE_HW_EVENT_BASE + 6,
+ VXGE_HW_EVENT_MRPCIM_ECCERR = VXGE_HW_EVENT_BASE + 7,
+ VXGE_HW_EVENT_FIFO_ERR = VXGE_HW_EVENT_BASE + 8,
+ VXGE_HW_EVENT_VPATH_ERR = VXGE_HW_EVENT_BASE + 9,
+ VXGE_HW_EVENT_CRITICAL_ERR = VXGE_HW_EVENT_BASE + 10,
+ VXGE_HW_EVENT_SERR = VXGE_HW_EVENT_BASE + 11,
+ VXGE_HW_EVENT_SRPCIM_SERR = VXGE_HW_EVENT_BASE + 12,
+ VXGE_HW_EVENT_MRPCIM_SERR = VXGE_HW_EVENT_BASE + 13,
+ VXGE_HW_EVENT_SLOT_FREEZE = VXGE_HW_EVENT_BASE + 14,
+};
+
+#define VXGE_HW_MAX_INTR_PER_VP 4
+#define VXGE_HW_VPATH_INTR_TX 0
+#define VXGE_HW_VPATH_INTR_RX 1
+#define VXGE_HW_VPATH_INTR_EINTA 2
+#define VXGE_HW_VPATH_INTR_BMAP 3
+
+#define VXGE_HW_BLOCK_SIZE 4096
+
+#define VXGE_HW_TIM_UTIL_SEL_LEGACY_TX_NET_UTIL 17
+#define VXGE_HW_TIM_UTIL_SEL_LEGACY_RX_NET_UTIL 18
+#define VXGE_HW_TIM_UTIL_SEL_LEGACY_TX_RX_AVE_NET_UTIL 19
+#define VXGE_HW_TIM_UTIL_SEL_PER_VPATH 63
+
+/**
+ * enum vxge_hw_ring_tcode - Transfer codes returned by adapter
+ * @VXGE_HW_RING_T_CODE_OK: Transfer ok.
+ * @VXGE_HW_RING_T_CODE_L3_CKSUM_MISMATCH: Layer 3 checksum presentation
+ * configuration mismatch.
+ * @VXGE_HW_RING_T_CODE_L4_CKSUM_MISMATCH: Layer 4 checksum presentation
+ * configuration mismatch.
+ * @VXGE_HW_RING_T_CODE_L3_L4_CKSUM_MISMATCH: Layer 3 and Layer 4 checksum
+ * presentation configuration mismatch.
+ * @VXGE_HW_RING_T_CODE_L3_PKT_ERR: Layer 3 error unparseable packet,
+ * such as unknown IPv6 header.
+ * @VXGE_HW_RING_T_CODE_L2_FRM_ERR: Layer 2 error frame integrity
+ * error, such as FCS or ECC).
+ * @VXGE_HW_RING_T_CODE_BUF_SIZE_ERR: Buffer size error the RxD buffer(
+ * s) were not appropriately sized and data loss occurred.
+ * @VXGE_HW_RING_T_CODE_INT_ECC_ERR: Internal ECC error RxD corrupted.
+ * @VXGE_HW_RING_T_CODE_BENIGN_OVFLOW: Benign overflow the contents of
+ * Segment1 exceeded the capacity of Buffer1 and the remainder
+ * was placed in Buffer2. Segment2 now starts in Buffer3.
+ * No data loss or errors occurred.
+ * @VXGE_HW_RING_T_CODE_ZERO_LEN_BUFF: Buffer size 0 one of the RxDs
+ * assigned buffers has a size of 0 bytes.
+ * @VXGE_HW_RING_T_CODE_FRM_DROP: Frame dropped either due to
+ * VPath Reset or because of a VPIN mismatch.
+ * @VXGE_HW_RING_T_CODE_UNUSED: Unused
+ * @VXGE_HW_RING_T_CODE_MULTI_ERR: Multiple errors more than one
+ * transfer code condition occurred.
+ *
+ * Transfer codes returned by adapter.
+ */
+enum vxge_hw_ring_tcode {
+ VXGE_HW_RING_T_CODE_OK = 0x0,
+ VXGE_HW_RING_T_CODE_L3_CKSUM_MISMATCH = 0x1,
+ VXGE_HW_RING_T_CODE_L4_CKSUM_MISMATCH = 0x2,
+ VXGE_HW_RING_T_CODE_L3_L4_CKSUM_MISMATCH = 0x3,
+ VXGE_HW_RING_T_CODE_L3_PKT_ERR = 0x5,
+ VXGE_HW_RING_T_CODE_L2_FRM_ERR = 0x6,
+ VXGE_HW_RING_T_CODE_BUF_SIZE_ERR = 0x7,
+ VXGE_HW_RING_T_CODE_INT_ECC_ERR = 0x8,
+ VXGE_HW_RING_T_CODE_BENIGN_OVFLOW = 0x9,
+ VXGE_HW_RING_T_CODE_ZERO_LEN_BUFF = 0xA,
+ VXGE_HW_RING_T_CODE_FRM_DROP = 0xC,
+ VXGE_HW_RING_T_CODE_UNUSED = 0xE,
+ VXGE_HW_RING_T_CODE_MULTI_ERR = 0xF
+};
+
+
+/**
+ * enum enum vxge_hw_fifo_gather_code - Gather codes used in fifo TxD
+ * @VXGE_HW_FIFO_GATHER_CODE_FIRST: First TxDL
+ * @VXGE_HW_FIFO_GATHER_CODE_MIDDLE: Middle TxDL
+ * @VXGE_HW_FIFO_GATHER_CODE_LAST: Last TxDL
+ * @VXGE_HW_FIFO_GATHER_CODE_FIRST_LAST: First and Last TxDL.
+ *
+ * These gather codes are used to indicate the position of a TxD in a TxD list
+ */
+enum vxge_hw_fifo_gather_code {
+ VXGE_HW_FIFO_GATHER_CODE_FIRST = 0x2,
+ VXGE_HW_FIFO_GATHER_CODE_MIDDLE = 0x0,
+ VXGE_HW_FIFO_GATHER_CODE_LAST = 0x1,
+ VXGE_HW_FIFO_GATHER_CODE_FIRST_LAST = 0x3
+};
+
+/**
+ * enum enum vxge_hw_fifo_tcode - tcodes used in fifo
+ * @VXGE_HW_FIFO_T_CODE_OK: Transfer OK
+ * @VXGE_HW_FIFO_T_CODE_PCI_READ_CORRUPT: PCI read transaction (either TxD or
+ * frame data) returned with corrupt data.
+ * @VXGE_HW_FIFO_T_CODE_PCI_READ_FAIL:PCI read transaction was returned
+ * with no data.
+ * @VXGE_HW_FIFO_T_CODE_INVALID_MSS: The host attempted to send either a
+ * frame or LSO MSS that was too long (>9800B).
+ * @VXGE_HW_FIFO_T_CODE_LSO_ERROR: Error detected during TCP/UDP Large Send
+ * Offload operation, due to improper header template,
+ * unsupported protocol, etc.
+ * @VXGE_HW_FIFO_T_CODE_UNUSED: Unused
+ * @VXGE_HW_FIFO_T_CODE_MULTI_ERROR: Set to 1 by the adapter if multiple
+ * data buffer transfer errors are encountered (see below).
+ * Otherwise it is set to 0.
+ *
+ * These tcodes are returned in various API for TxD status
+ */
+enum vxge_hw_fifo_tcode {
+ VXGE_HW_FIFO_T_CODE_OK = 0x0,
+ VXGE_HW_FIFO_T_CODE_PCI_READ_CORRUPT = 0x1,
+ VXGE_HW_FIFO_T_CODE_PCI_READ_FAIL = 0x2,
+ VXGE_HW_FIFO_T_CODE_INVALID_MSS = 0x3,
+ VXGE_HW_FIFO_T_CODE_LSO_ERROR = 0x4,
+ VXGE_HW_FIFO_T_CODE_UNUSED = 0x7,
+ VXGE_HW_FIFO_T_CODE_MULTI_ERROR = 0x8
+};
+
+enum vxge_hw_status
+vxge_hw_ring_replenish(struct __vxge_hw_ring *ring);
+
+void vxge_hw_ring_rxd_post(struct __vxge_hw_ring *ring_handle,
+ struct vxge_hw_ring_rxd_1 *rxdp);
+
+void vxge_hw_fifo_txdl_buffer_set(struct __vxge_hw_fifo *fifo,
+ struct vxge_hw_fifo_txd *txdp,
+ struct io_buffer *iob);
+
+void vxge_hw_fifo_txdl_post(struct __vxge_hw_fifo *fifo,
+ struct vxge_hw_fifo_txd *txdp);
+
+enum vxge_hw_status __vxge_hw_ring_create(
+ struct __vxge_hw_virtualpath *vpath,
+ struct __vxge_hw_ring *ring);
+
+enum vxge_hw_status __vxge_hw_ring_delete(
+ struct __vxge_hw_ring *ringh);
+
+enum vxge_hw_status __vxge_hw_fifo_create(
+ struct __vxge_hw_virtualpath *vpath,
+ struct __vxge_hw_fifo *fifo);
+
+enum vxge_hw_status
+__vxge_hw_fifo_delete(struct __vxge_hw_fifo *fifo);
+
+enum vxge_hw_status __vxge_hw_vpath_reset(
+ struct __vxge_hw_device *devh, u32 vp_id);
+
+enum vxge_hw_status
+__vxge_hw_vpath_enable(struct __vxge_hw_device *devh, u32 vp_id);
+
+void
+__vxge_hw_vpath_prc_configure(struct __vxge_hw_device *hldev);
+
+enum vxge_hw_status
+__vxge_hw_vpath_kdfc_configure(struct __vxge_hw_device *devh, u32 vp_id);
+
+enum vxge_hw_status
+__vxge_hw_vpath_mac_configure(struct __vxge_hw_device *devh);
+
+enum vxge_hw_status
+__vxge_hw_vpath_tim_configure(struct __vxge_hw_device *devh, u32 vp_id);
+
+enum vxge_hw_status
+__vxge_hw_vpath_initialize(struct __vxge_hw_device *devh, u32 vp_id);
+
+enum vxge_hw_status __vxge_hw_vp_initialize(
+ struct __vxge_hw_device *hldev, u32 vp_id,
+ struct __vxge_hw_virtualpath *vpath);
+
+void __vxge_hw_vp_terminate(struct __vxge_hw_device *hldev,
+ struct __vxge_hw_virtualpath *vpath);
+
+enum vxge_hw_status
+vxge_hw_device_begin_irq(struct __vxge_hw_device *hldev);
+
+void vxge_hw_device_intr_enable(struct __vxge_hw_device *hldev);
+
+void vxge_hw_device_intr_disable(struct __vxge_hw_device *hldev);
+
+void vxge_hw_device_mask_all(struct __vxge_hw_device *hldev);
+
+void vxge_hw_device_unmask_all(struct __vxge_hw_device *hldev);
+
+void vxge_hw_vpath_doorbell_rx(struct __vxge_hw_ring *ringh);
+
+enum vxge_hw_status vxge_hw_vpath_poll_rx(struct __vxge_hw_ring *ringh);
+
+enum vxge_hw_status vxge_hw_vpath_poll_tx(struct __vxge_hw_fifo *fifo);
+
+struct vxge_hw_fifo_txd *
+vxge_hw_fifo_free_txdl_get(struct __vxge_hw_fifo *fifo);
+
+#endif
Code Review / kvmfornfv.git / blobdiff