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Neterion: New driver: Main entry points
This patch implements all the driver entry point functions.
- Definition of all module loadable paramters.
- Implementation of all driver entry point functions.
- Changes in this submission -
- Fixed compilation error when enabling debug statements
- Fixed few warnings when CONFIG_PCI_MSI is not defined
- Removed unnecessary volatile variables
- Removed compare_ether_addr as it causes unaligned memory access on
the sparc64 platform.
- Changes in previous submissions -
- As per Stephen Hemminger's comments removed the following loadable
parameters - gro, rx_& tx max_indicate_pkts, exec_mode, rx & tx
pause_enable, tx_steering_type and intr_type.
- Added Device ID definition in vxge-main.h instead of
include/linux/pci_ids.h file - Reported by David Miller
- Incorporated following review comments from Ben Hutchings
- NAPI is always enabled (no option to turn it OFF).
- Loadable parameters
rx_steering_type: This loadable option is removed.
ring_blocks: This loadable option is removed.
The driver default settings work well in most if not all cases.
Another patch to configure these parameters with ethtool will be
released in the future.
- LRO has been deprecated in favour of GRO - Bill Fink & Dave Miller's comment
- Fixed sparse warnings - Reported by Andi Kleen
- Removed unused variables
Signed-off-by: Sivakumar Subramani <sivakumar.subramani@neterion.com>
Signed-off-by: Rastapur Santosh <santosh.rastapur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ramkrishna Vepa
David S. Miller
parent
113241321d
commit
703da5a1a2
4502
drivers/net/vxge/vxge-main.c
Normal file
4502
drivers/net/vxge/vxge-main.c
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File diff suppressed because it is too large
Load Diff
557
drivers/net/vxge/vxge-main.h
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557
drivers/net/vxge/vxge-main.h
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@ -0,0 +1,557 @@
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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 Neterion Inc's X3100 Series 10GbE PCIe I/O
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* Virtualized Server Adapter.
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* Copyright(c) 2002-2009 Neterion Inc.
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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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#define VXGE_DRIVER_NAME "vxge"
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#define VXGE_DRIVER_VENDOR "Neterion, Inc"
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#define VXGE_DRIVER_VERSION_MAJOR 0
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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_USE_DEFAULT 0xffffffff
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#define VXGE_HW_VPATH_MSIX_ACTIVE 4
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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_TTI_RTIMER_VAL 0
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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_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 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_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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/* 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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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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unsigned long inta_dev_open;
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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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#define VXGE_GRO_DONOT_AGGREGATE 0
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#define VXGE_GRO_ALWAYS_AGGREGATE 1
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int gro_enable;
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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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int rth_steering;
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int rth_algorithm;
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int rth_hash_type_tcpipv4;
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int rth_hash_type_ipv4;
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int rth_hash_type_tcpipv6;
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int rth_hash_type_ipv6;
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int rth_hash_type_tcpipv6ex;
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int rth_hash_type_ipv6ex;
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int rth_bkt_sz;
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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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/* Network Stats (interface stats) */
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struct net_device_stats net_stats;
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/* Tx */
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u64 tx_frms;
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u64 tx_errors;
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u64 tx_bytes;
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u64 txd_not_free;
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u64 txd_out_of_desc;
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/* Virtual Path */
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u64 vpaths_open;
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u64 vpath_open_fail;
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/* Rx */
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u64 rx_frms;
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u64 rx_errors;
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u64 rx_bytes;
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u64 rx_mcast;
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/* Misc. */
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u64 link_up;
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u64 link_down;
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u64 pci_map_fail;
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u64 skb_alloc_fail;
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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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u64 tx_frms;
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u64 tx_errors;
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u64 tx_bytes;
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u64 txd_not_free;
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u64 txd_out_of_desc;
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u64 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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/* 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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int tx_steering_type;
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int indicate_max_pkts;
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spinlock_t tx_lock;
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/* flag used to maintain queue state when MULTIQ is not enabled */
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#define VPATH_QUEUE_START 0
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#define VPATH_QUEUE_STOP 1
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int queue_state;
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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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u64 prev_rx_frms;
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u64 rx_frms;
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u64 rx_errors;
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u64 rx_dropped;
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u64 rx_bytes;
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u64 rx_mcast;
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u64 pci_map_fail;
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u64 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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/* copy of the flag indicating whether rx_csum is to be used */
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u32 rx_csum;
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int pkts_processed;
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int budget;
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int gro_enable;
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struct napi_struct napi;
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#define VXGE_MAX_MAC_ADDR_COUNT 30
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int vlan_tag_strip;
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struct vlan_group *vlgrp;
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int 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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struct vlan_group *vlgrp;
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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_csum is to be used or not. */
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u32 rx_csum;
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struct vxge_msix_entry *vxge_entries;
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struct msix_entry *entries;
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/*
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* 4 for each vpath * 17;
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* total is 68
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*/
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#define VXGE_MAX_REQUESTED_MSIX 68
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#define VXGE_INTR_STRLEN 80
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char desc[VXGE_MAX_REQUESTED_MSIX][VXGE_INTR_STRLEN];
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enum vxge_hw_event cric_err_event;
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int max_vpath_supported;
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int no_of_vpath;
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struct napi_struct napi;
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/* A debug option, when enabled and if error condition occurs,
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* the driver will do following steps:
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* - mask all interrupts
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* - Not clear the source of the alarm
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* - gracefully stop all I/O
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* A diagnostic dump of register and stats at this point
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* reveals very useful information.
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*/
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int exec_mode;
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int max_config_port;
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struct vxge_vpath *vpaths;
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struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
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void __iomem *bar0;
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void __iomem *bar1;
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struct vxge_sw_stats stats;
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int mtu;
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/* Below variables are used for vpath selection to transmit a packet */
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u8 vpath_selector[VXGE_HW_MAX_VIRTUAL_PATHS];
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u64 vpaths_deployed;
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u32 intr_cnt;
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u32 level_err;
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u32 level_trace;
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char fw_version[VXGE_HW_FW_STRLEN];
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};
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struct vxge_rx_priv {
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struct sk_buff *skb;
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dma_addr_t data_dma;
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dma_addr_t data_size;
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};
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struct vxge_tx_priv {
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struct sk_buff *skb;
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dma_addr_t dma_buffers[MAX_SKB_FRAGS+1];
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};
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#define VXGE_MODULE_PARAM_INT(p, val) \
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static int p = val; \
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module_param(p, int, 0)
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#define vxge_os_bug(fmt...) { printk(fmt); BUG(); }
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#define vxge_os_timer(timer, handle, arg, exp) do { \
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init_timer(&timer); \
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timer.function = handle; \
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timer.data = (unsigned long) arg; \
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mod_timer(&timer, (jiffies + exp)); \
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} while (0);
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int __devinit vxge_device_register(struct __vxge_hw_device *devh,
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struct vxge_config *config,
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int high_dma, int no_of_vpath,
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struct vxgedev **vdev);
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void vxge_device_unregister(struct __vxge_hw_device *devh);
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void vxge_vpath_intr_enable(struct vxgedev *vdev, int vp_id);
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void vxge_vpath_intr_disable(struct vxgedev *vdev, int vp_id);
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void vxge_callback_link_up(struct __vxge_hw_device *devh);
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void vxge_callback_link_down(struct __vxge_hw_device *devh);
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enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
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struct macInfo *mac);
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int vxge_mac_list_del(struct vxge_vpath *vpath, struct macInfo *mac);
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int vxge_reset(struct vxgedev *vdev);
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enum vxge_hw_status
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vxge_rx_1b_compl(struct __vxge_hw_ring *ringh, void *dtr,
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u8 t_code, void *userdata);
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enum vxge_hw_status
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vxge_xmit_compl(struct __vxge_hw_fifo *fifo_hw, void *dtr,
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enum vxge_hw_fifo_tcode t_code, void *userdata, void **skb_ptr);
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int vxge_close(struct net_device *dev);
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int vxge_open(struct net_device *dev);
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void vxge_close_vpaths(struct vxgedev *vdev, int index);
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int vxge_open_vpaths(struct vxgedev *vdev);
|
||||
|
||||
enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev);
|
||||
|
||||
void vxge_stop_all_tx_queue(struct vxgedev *vdev);
|
||||
|
||||
void vxge_stop_tx_queue(struct vxge_fifo *fifo);
|
||||
|
||||
void vxge_start_all_tx_queue(struct vxgedev *vdev);
|
||||
|
||||
void vxge_wake_tx_queue(struct vxge_fifo *fifo, struct sk_buff *skb);
|
||||
|
||||
enum vxge_hw_status vxge_add_mac_addr(struct vxgedev *vdev,
|
||||
struct macInfo *mac);
|
||||
|
||||
enum vxge_hw_status vxge_del_mac_addr(struct vxgedev *vdev,
|
||||
struct macInfo *mac);
|
||||
|
||||
int vxge_mac_list_add(struct vxge_vpath *vpath,
|
||||
struct macInfo *mac);
|
||||
|
||||
void vxge_free_mac_add_list(struct vxge_vpath *vpath);
|
||||
|
||||
enum vxge_hw_status vxge_restore_vpath_mac_addr(struct vxge_vpath *vpath);
|
||||
|
||||
enum vxge_hw_status vxge_restore_vpath_vid_table(struct vxge_vpath *vpath);
|
||||
|
||||
int do_vxge_close(struct net_device *dev, int do_io);
|
||||
extern void initialize_ethtool_ops(struct net_device *ndev);
|
||||
/**
|
||||
* #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
|
||||
Loading…
Reference in New Issue
Block a user