519 lines
13 KiB
C
519 lines
13 KiB
C
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/******************************************************************************
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* This software may be used and distributed according to the terms of
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* the GNU General Public License (GPL), incorporated herein by reference.
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* Drivers based on or derived from this code fall under the GPL and must
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* retain the authorship, copyright and license notice. This file is not
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* a complete program and may only be used when the entire operating
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* system is licensed under the GPL.
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* See the file COPYING in this distribution for more information.
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*
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* vxge-main.h: Driver for Exar Corp's X3100 Series 10GbE PCIe I/O
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* Virtualized Server Adapter.
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* Copyright(c) 2002-2010 Exar Corp.
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******************************************************************************/
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#ifndef VXGE_MAIN_H
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#define VXGE_MAIN_H
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#include "vxge-traffic.h"
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#include "vxge-config.h"
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#include "vxge-version.h"
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#include <linux/list.h>
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#include <linux/bitops.h>
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#include <linux/if_vlan.h>
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#define VXGE_DRIVER_NAME "vxge"
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#define VXGE_DRIVER_VENDOR "Neterion, Inc"
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#define VXGE_DRIVER_FW_VERSION_MAJOR 1
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#define DRV_VERSION VXGE_VERSION_MAJOR"."VXGE_VERSION_MINOR"."\
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VXGE_VERSION_FIX"."VXGE_VERSION_BUILD"-"\
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VXGE_VERSION_FOR
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#define PCI_DEVICE_ID_TITAN_WIN 0x5733
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#define PCI_DEVICE_ID_TITAN_UNI 0x5833
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#define VXGE_HW_TITAN1_PCI_REVISION 1
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#define VXGE_HW_TITAN1A_PCI_REVISION 2
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#define VXGE_USE_DEFAULT 0xffffffff
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#define VXGE_HW_VPATH_MSIX_ACTIVE 4
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#define VXGE_ALARM_MSIX_ID 2
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#define VXGE_HW_RXSYNC_FREQ_CNT 4
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#define VXGE_LL_WATCH_DOG_TIMEOUT (15 * HZ)
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#define VXGE_LL_RX_COPY_THRESHOLD 256
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#define VXGE_DEF_FIFO_LENGTH 84
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#define NO_STEERING 0
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#define PORT_STEERING 0x1
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#define RTH_STEERING 0x2
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#define RX_TOS_STEERING 0x3
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#define RX_VLAN_STEERING 0x4
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#define RTH_BUCKET_SIZE 4
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#define TX_PRIORITY_STEERING 1
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#define TX_VLAN_STEERING 2
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#define TX_PORT_STEERING 3
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#define TX_MULTIQ_STEERING 4
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#define VXGE_HW_MAC_ADDR_LEARN_DEFAULT VXGE_HW_RTS_MAC_DISABLE
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#define VXGE_TTI_BTIMER_VAL 250000
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#define VXGE_TTI_LTIMER_VAL 1000
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#define VXGE_T1A_TTI_LTIMER_VAL 80
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#define VXGE_TTI_RTIMER_VAL 0
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#define VXGE_TTI_RTIMER_ADAPT_VAL 10
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#define VXGE_T1A_TTI_RTIMER_VAL 400
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#define VXGE_RTI_BTIMER_VAL 250
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#define VXGE_RTI_LTIMER_VAL 100
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#define VXGE_RTI_RTIMER_VAL 0
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#define VXGE_RTI_RTIMER_ADAPT_VAL 15
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#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
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#define VXGE_ISR_POLLING_CNT 8
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#define VXGE_MAX_CONFIG_DEV 0xFF
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#define VXGE_EXEC_MODE_DISABLE 0
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#define VXGE_EXEC_MODE_ENABLE 1
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#define VXGE_MAX_CONFIG_PORT 1
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#define VXGE_ALL_VID_DISABLE 0
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#define VXGE_ALL_VID_ENABLE 1
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#define VXGE_PAUSE_CTRL_DISABLE 0
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#define VXGE_PAUSE_CTRL_ENABLE 1
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#define TTI_TX_URANGE_A 5
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#define TTI_TX_URANGE_B 15
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#define TTI_TX_URANGE_C 40
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#define TTI_TX_UFC_A 5
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#define TTI_TX_UFC_B 40
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#define TTI_TX_UFC_C 60
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#define TTI_TX_UFC_D 100
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#define TTI_T1A_TX_UFC_A 30
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#define TTI_T1A_TX_UFC_B 80
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/* Slope - (max_mtu - min_mtu)/(max_mtu_ufc - min_mtu_ufc) */
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/* Slope - 93 */
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/* 60 - 9k Mtu, 140 - 1.5k mtu */
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#define TTI_T1A_TX_UFC_C(mtu) (60 + ((VXGE_HW_MAX_MTU - mtu) / 93))
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/* Slope - 37 */
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/* 100 - 9k Mtu, 300 - 1.5k mtu */
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#define TTI_T1A_TX_UFC_D(mtu) (100 + ((VXGE_HW_MAX_MTU - mtu) / 37))
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#define RTI_RX_URANGE_A 5
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#define RTI_RX_URANGE_B 15
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#define RTI_RX_URANGE_C 40
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#define RTI_T1A_RX_URANGE_A 1
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#define RTI_T1A_RX_URANGE_B 20
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#define RTI_T1A_RX_URANGE_C 50
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#define RTI_RX_UFC_A 1
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#define RTI_RX_UFC_B 5
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#define RTI_RX_UFC_C 10
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#define RTI_RX_UFC_D 15
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#define RTI_T1A_RX_UFC_B 20
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#define RTI_T1A_RX_UFC_C 50
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#define RTI_T1A_RX_UFC_D 60
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/*
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* The interrupt rate is maintained at 3k per second with the moderation
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* parameters for most traffic but not all. This is the maximum interrupt
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* count allowed per function with INTA or per vector in the case of
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* MSI-X in a 10 millisecond time period. Enabled only for Titan 1A.
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*/
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#define VXGE_T1A_MAX_INTERRUPT_COUNT 100
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#define VXGE_T1A_MAX_TX_INTERRUPT_COUNT 200
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/* Milli secs timer period */
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#define VXGE_TIMER_DELAY 10000
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#define VXGE_LL_MAX_FRAME_SIZE(dev) ((dev)->mtu + VXGE_HW_MAC_HEADER_MAX_SIZE)
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#define is_sriov(function_mode) \
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((function_mode == VXGE_HW_FUNCTION_MODE_SRIOV) || \
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(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_8) || \
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(function_mode == VXGE_HW_FUNCTION_MODE_SRIOV_4))
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enum vxge_reset_event {
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/* reset events */
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VXGE_LL_VPATH_RESET = 0,
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VXGE_LL_DEVICE_RESET = 1,
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VXGE_LL_FULL_RESET = 2,
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VXGE_LL_START_RESET = 3,
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VXGE_LL_COMPL_RESET = 4
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};
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/* These flags represent the devices temporary state */
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enum vxge_device_state_t {
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__VXGE_STATE_RESET_CARD = 0,
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__VXGE_STATE_CARD_UP
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};
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enum vxge_mac_addr_state {
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/* mac address states */
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VXGE_LL_MAC_ADDR_IN_LIST = 0,
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VXGE_LL_MAC_ADDR_IN_DA_TABLE = 1
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};
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struct vxge_drv_config {
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int config_dev_cnt;
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int total_dev_cnt;
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int g_no_cpus;
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unsigned int vpath_per_dev;
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};
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struct macInfo {
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unsigned char macaddr[ETH_ALEN];
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unsigned char macmask[ETH_ALEN];
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unsigned int vpath_no;
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enum vxge_mac_addr_state state;
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};
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struct vxge_config {
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int tx_pause_enable;
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int rx_pause_enable;
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#define NEW_NAPI_WEIGHT 64
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int napi_weight;
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int intr_type;
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#define INTA 0
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#define MSI 1
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#define MSI_X 2
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int addr_learn_en;
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u32 rth_steering:2,
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rth_algorithm:2,
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rth_hash_type_tcpipv4:1,
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rth_hash_type_ipv4:1,
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rth_hash_type_tcpipv6:1,
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rth_hash_type_ipv6:1,
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rth_hash_type_tcpipv6ex:1,
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rth_hash_type_ipv6ex:1,
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rth_bkt_sz:8;
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int rth_jhash_golden_ratio;
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int tx_steering_type;
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int fifo_indicate_max_pkts;
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struct vxge_hw_device_hw_info device_hw_info;
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};
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struct vxge_msix_entry {
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/* Mimicing the msix_entry struct of Kernel. */
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u16 vector;
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u16 entry;
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u16 in_use;
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void *arg;
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};
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/* Software Statistics */
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struct vxge_sw_stats {
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/* Virtual Path */
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unsigned long vpaths_open;
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unsigned long vpath_open_fail;
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/* Misc. */
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unsigned long link_up;
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unsigned long link_down;
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};
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struct vxge_mac_addrs {
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struct list_head item;
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u64 macaddr;
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u64 macmask;
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enum vxge_mac_addr_state state;
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};
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struct vxgedev;
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struct vxge_fifo_stats {
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struct u64_stats_sync syncp;
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u64 tx_frms;
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u64 tx_bytes;
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unsigned long tx_errors;
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unsigned long txd_not_free;
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unsigned long txd_out_of_desc;
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unsigned long pci_map_fail;
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};
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struct vxge_fifo {
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struct net_device *ndev;
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struct pci_dev *pdev;
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struct __vxge_hw_fifo *handle;
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struct netdev_queue *txq;
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int tx_steering_type;
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int indicate_max_pkts;
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/* Adaptive interrupt moderation parameters used in T1A */
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unsigned long interrupt_count;
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unsigned long jiffies;
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u32 tx_vector_no;
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/* Tx stats */
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struct vxge_fifo_stats stats;
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} ____cacheline_aligned;
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struct vxge_ring_stats {
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struct u64_stats_sync syncp;
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u64 rx_frms;
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u64 rx_mcast;
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u64 rx_bytes;
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unsigned long rx_errors;
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unsigned long rx_dropped;
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unsigned long prev_rx_frms;
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unsigned long pci_map_fail;
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unsigned long skb_alloc_fail;
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};
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struct vxge_ring {
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struct net_device *ndev;
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struct pci_dev *pdev;
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struct __vxge_hw_ring *handle;
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/* The vpath id maintained in the driver -
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* 0 to 'maximum_vpaths_in_function - 1'
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*/
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int driver_id;
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/* Adaptive interrupt moderation parameters used in T1A */
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unsigned long interrupt_count;
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unsigned long jiffies;
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/* copy of the flag indicating whether rx_hwts is to be used */
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u32 rx_hwts:1;
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int pkts_processed;
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int budget;
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struct napi_struct napi;
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struct napi_struct *napi_p;
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#define VXGE_MAX_MAC_ADDR_COUNT 30
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int vlan_tag_strip;
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u32 rx_vector_no;
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enum vxge_hw_status last_status;
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/* Rx stats */
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struct vxge_ring_stats stats;
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} ____cacheline_aligned;
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struct vxge_vpath {
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struct vxge_fifo fifo;
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struct vxge_ring ring;
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struct __vxge_hw_vpath_handle *handle;
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/* Actual vpath id for this vpath in the device - 0 to 16 */
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int device_id;
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int max_mac_addr_cnt;
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int is_configured;
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int is_open;
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struct vxgedev *vdev;
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u8 macaddr[ETH_ALEN];
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u8 macmask[ETH_ALEN];
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#define VXGE_MAX_LEARN_MAC_ADDR_CNT 2048
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/* mac addresses currently programmed into NIC */
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u16 mac_addr_cnt;
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u16 mcast_addr_cnt;
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struct list_head mac_addr_list;
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u32 level_err;
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u32 level_trace;
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};
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#define VXGE_COPY_DEBUG_INFO_TO_LL(vdev, err, trace) { \
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for (i = 0; i < vdev->no_of_vpath; i++) { \
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vdev->vpaths[i].level_err = err; \
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vdev->vpaths[i].level_trace = trace; \
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} \
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vdev->level_err = err; \
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vdev->level_trace = trace; \
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}
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struct vxgedev {
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struct net_device *ndev;
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struct pci_dev *pdev;
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struct __vxge_hw_device *devh;
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unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
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int vlan_tag_strip;
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struct vxge_config config;
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unsigned long state;
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/* Indicates which vpath to reset */
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unsigned long vp_reset;
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/* Timer used for polling vpath resets */
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struct timer_list vp_reset_timer;
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/* Timer used for polling vpath lockup */
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struct timer_list vp_lockup_timer;
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/*
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* Flags to track whether device is in All Multicast
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* or in promiscuous mode.
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*/
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u16 all_multi_flg;
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/* A flag indicating whether rx_hwts is to be used or not. */
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u32 rx_hwts:1,
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titan1:1;
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struct vxge_msix_entry *vxge_entries;
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struct msix_entry *entries;
|
||
|
|
/*
|
||
|
|
* 4 for each vpath * 17;
|
||
|
|
* total is 68
|
||
|
|
*/
|
||
|
|
#define VXGE_MAX_REQUESTED_MSIX 68
|
||
|
|
#define VXGE_INTR_STRLEN 80
|
||
|
|
char desc[VXGE_MAX_REQUESTED_MSIX][VXGE_INTR_STRLEN];
|
||
|
|
|
||
|
|
enum vxge_hw_event cric_err_event;
|
||
|
|
|
||
|
|
int max_vpath_supported;
|
||
|
|
int no_of_vpath;
|
||
|
|
|
||
|
|
struct napi_struct napi;
|
||
|
|
/* A debug option, when enabled and if error condition occurs,
|
||
|
|
* the driver will do following steps:
|
||
|
|
* - mask all interrupts
|
||
|
|
* - Not clear the source of the alarm
|
||
|
|
* - gracefully stop all I/O
|
||
|
|
* A diagnostic dump of register and stats at this point
|
||
|
|
* reveals very useful information.
|
||
|
|
*/
|
||
|
|
int exec_mode;
|
||
|
|
int max_config_port;
|
||
|
|
struct vxge_vpath *vpaths;
|
||
|
|
|
||
|
|
struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
|
||
|
|
void __iomem *bar0;
|
||
|
|
struct vxge_sw_stats stats;
|
||
|
|
int mtu;
|
||
|
|
/* Below variables are used for vpath selection to transmit a packet */
|
||
|
|
u8 vpath_selector[VXGE_HW_MAX_VIRTUAL_PATHS];
|
||
|
|
u64 vpaths_deployed;
|
||
|
|
|
||
|
|
u32 intr_cnt;
|
||
|
|
u32 level_err;
|
||
|
|
u32 level_trace;
|
||
|
|
char fw_version[VXGE_HW_FW_STRLEN];
|
||
|
|
struct work_struct reset_task;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vxge_rx_priv {
|
||
|
|
struct sk_buff *skb;
|
||
|
|
unsigned char *skb_data;
|
||
|
|
dma_addr_t data_dma;
|
||
|
|
dma_addr_t data_size;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct vxge_tx_priv {
|
||
|
|
struct sk_buff *skb;
|
||
|
|
dma_addr_t dma_buffers[MAX_SKB_FRAGS+1];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define VXGE_MODULE_PARAM_INT(p, val) \
|
||
|
|
static int p = val; \
|
||
|
|
module_param(p, int, 0)
|
||
|
|
|
||
|
|
static inline
|
||
|
|
void vxge_os_timer(struct timer_list *timer, void (*func)(struct timer_list *),
|
||
|
|
unsigned long timeout)
|
||
|
|
{
|
||
|
|
timer_setup(timer, func, 0);
|
||
|
|
mod_timer(timer, jiffies + timeout);
|
||
|
|
}
|
||
|
|
|
||
|
|
void vxge_initialize_ethtool_ops(struct net_device *ndev);
|
||
|
|
int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override);
|
||
|
|
|
||
|
|
/* #define VXGE_DEBUG_INIT: debug for initialization functions
|
||
|
|
* #define VXGE_DEBUG_TX : debug transmit related functions
|
||
|
|
* #define VXGE_DEBUG_RX : debug recevice related functions
|
||
|
|
* #define VXGE_DEBUG_MEM : debug memory module
|
||
|
|
* #define VXGE_DEBUG_LOCK: debug locks
|
||
|
|
* #define VXGE_DEBUG_SEM : debug semaphore
|
||
|
|
* #define VXGE_DEBUG_ENTRYEXIT: debug functions by adding entry exit statements
|
||
|
|
*/
|
||
|
|
#define VXGE_DEBUG_INIT 0x00000001
|
||
|
|
#define VXGE_DEBUG_TX 0x00000002
|
||
|
|
#define VXGE_DEBUG_RX 0x00000004
|
||
|
|
#define VXGE_DEBUG_MEM 0x00000008
|
||
|
|
#define VXGE_DEBUG_LOCK 0x00000010
|
||
|
|
#define VXGE_DEBUG_SEM 0x00000020
|
||
|
|
#define VXGE_DEBUG_ENTRYEXIT 0x00000040
|
||
|
|
#define VXGE_DEBUG_INTR 0x00000080
|
||
|
|
#define VXGE_DEBUG_LL_CONFIG 0x00000100
|
||
|
|
|
||
|
|
/* Debug tracing for VXGE driver */
|
||
|
|
#ifndef VXGE_DEBUG_MASK
|
||
|
|
#define VXGE_DEBUG_MASK 0x0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_LL_CONFIG & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_ll_config(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_LL_CONFIG, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_ll_config(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_INIT & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_init(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_INIT, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_init(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_TX & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_tx(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_TX, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_tx(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_RX & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_rx(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_RX, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_rx(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_MEM & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_mem(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_MEM, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_mem(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_ENTRYEXIT & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_entryexit(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_ENTRYEXIT, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_entryexit(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if (VXGE_DEBUG_INTR & VXGE_DEBUG_MASK)
|
||
|
|
#define vxge_debug_intr(level, fmt, ...) \
|
||
|
|
vxge_debug_ll(level, VXGE_DEBUG_INTR, fmt, ##__VA_ARGS__)
|
||
|
|
#else
|
||
|
|
#define vxge_debug_intr(level, fmt, ...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define VXGE_DEVICE_DEBUG_LEVEL_SET(level, mask, vdev) {\
|
||
|
|
vxge_hw_device_debug_set((struct __vxge_hw_device *)vdev->devh, \
|
||
|
|
level, mask);\
|
||
|
|
VXGE_COPY_DEBUG_INFO_TO_LL(vdev, \
|
||
|
|
vxge_hw_device_error_level_get((struct __vxge_hw_device *) \
|
||
|
|
vdev->devh), \
|
||
|
|
vxge_hw_device_trace_level_get((struct __vxge_hw_device *) \
|
||
|
|
vdev->devh));\
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef NETIF_F_GSO
|
||
|
|
#define vxge_tcp_mss(skb) (skb_shinfo(skb)->gso_size)
|
||
|
|
#define vxge_udp_mss(skb) (skb_shinfo(skb)->gso_size)
|
||
|
|
#define vxge_offload_type(skb) (skb_shinfo(skb)->gso_type)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|