mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-22 17:01:14 +00:00
Add support for the latest 1G/10G Chelsio adapter, T3.
This driver is required by the Chelsio T3 RDMA driver posted by Steve Wise. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Divy Le Ray
Jeff Garzik
parent
0bf94faf64
commit
4d22de3e6c
25 changed files with 17328 additions and 0 deletions
|
|
@ -2389,6 +2389,24 @@ config CHELSIO_T1_NAPI
|
|||
NAPI is a driver API designed to reduce CPU and interrupt load
|
||||
when the driver is receiving lots of packets from the card.
|
||||
|
||||
config CHELSIO_T3
|
||||
tristate "Chelsio Communications T3 10Gb Ethernet support"
|
||||
depends on PCI
|
||||
help
|
||||
This driver supports Chelsio T3-based gigabit and 10Gb Ethernet
|
||||
adapters.
|
||||
|
||||
For general information about Chelsio and our products, visit
|
||||
our website at <http://www.chelsio.com>.
|
||||
|
||||
For customer support, please visit our customer support page at
|
||||
<http://www.chelsio.com/support.htm>.
|
||||
|
||||
Please send feedback to <linux-bugs@chelsio.com>.
|
||||
|
||||
To compile this driver as a module, choose M here: the module
|
||||
will be called cxgb3.
|
||||
|
||||
config EHEA
|
||||
tristate "eHEA Ethernet support"
|
||||
depends on IBMEBUS
|
||||
|
|
|
|||
|
|
@ -6,6 +6,7 @@ obj-$(CONFIG_E1000) += e1000/
|
|||
obj-$(CONFIG_IBM_EMAC) += ibm_emac/
|
||||
obj-$(CONFIG_IXGB) += ixgb/
|
||||
obj-$(CONFIG_CHELSIO_T1) += chelsio/
|
||||
obj-$(CONFIG_CHELSIO_T3) += cxgb3/
|
||||
obj-$(CONFIG_EHEA) += ehea/
|
||||
obj-$(CONFIG_BONDING) += bonding/
|
||||
obj-$(CONFIG_GIANFAR) += gianfar_driver.o
|
||||
|
|
|
|||
8
drivers/net/cxgb3/Makefile
Normal file
8
drivers/net/cxgb3/Makefile
Normal file
|
|
@ -0,0 +1,8 @@
|
|||
#
|
||||
# Chelsio T3 driver
|
||||
#
|
||||
|
||||
obj-$(CONFIG_CHELSIO_T3) += cxgb3.o
|
||||
|
||||
cxgb3-objs := cxgb3_main.o ael1002.o vsc8211.o t3_hw.o mc5.o \
|
||||
xgmac.o sge.o l2t.o cxgb3_offload.o
|
||||
255
drivers/net/cxgb3/adapter.h
Normal file
255
drivers/net/cxgb3/adapter.h
Normal file
|
|
@ -0,0 +1,255 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver for Linux.
|
||||
*
|
||||
* Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
/* This file should not be included directly. Include common.h instead. */
|
||||
|
||||
#ifndef __T3_ADAPTER_H__
|
||||
#define __T3_ADAPTER_H__
|
||||
|
||||
#include <linux/pci.h>
|
||||
#include <linux/spinlock.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/timer.h>
|
||||
#include <linux/cache.h>
|
||||
#include "t3cdev.h"
|
||||
#include <asm/semaphore.h>
|
||||
#include <asm/bitops.h>
|
||||
#include <asm/io.h>
|
||||
|
||||
typedef irqreturn_t(*intr_handler_t) (int, void *);
|
||||
|
||||
struct vlan_group;
|
||||
|
||||
struct port_info {
|
||||
struct vlan_group *vlan_grp;
|
||||
const struct port_type_info *port_type;
|
||||
u8 port_id;
|
||||
u8 rx_csum_offload;
|
||||
u8 nqsets;
|
||||
u8 first_qset;
|
||||
struct cphy phy;
|
||||
struct cmac mac;
|
||||
struct link_config link_config;
|
||||
struct net_device_stats netstats;
|
||||
int activity;
|
||||
};
|
||||
|
||||
enum { /* adapter flags */
|
||||
FULL_INIT_DONE = (1 << 0),
|
||||
USING_MSI = (1 << 1),
|
||||
USING_MSIX = (1 << 2),
|
||||
};
|
||||
|
||||
struct rx_desc;
|
||||
struct rx_sw_desc;
|
||||
|
||||
struct sge_fl { /* SGE per free-buffer list state */
|
||||
unsigned int buf_size; /* size of each Rx buffer */
|
||||
unsigned int credits; /* # of available Rx buffers */
|
||||
unsigned int size; /* capacity of free list */
|
||||
unsigned int cidx; /* consumer index */
|
||||
unsigned int pidx; /* producer index */
|
||||
unsigned int gen; /* free list generation */
|
||||
struct rx_desc *desc; /* address of HW Rx descriptor ring */
|
||||
struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
|
||||
dma_addr_t phys_addr; /* physical address of HW ring start */
|
||||
unsigned int cntxt_id; /* SGE context id for the free list */
|
||||
unsigned long empty; /* # of times queue ran out of buffers */
|
||||
};
|
||||
|
||||
/*
|
||||
* Bundle size for grouping offload RX packets for delivery to the stack.
|
||||
* Don't make this too big as we do prefetch on each packet in a bundle.
|
||||
*/
|
||||
# define RX_BUNDLE_SIZE 8
|
||||
|
||||
struct rsp_desc;
|
||||
|
||||
struct sge_rspq { /* state for an SGE response queue */
|
||||
unsigned int credits; /* # of pending response credits */
|
||||
unsigned int size; /* capacity of response queue */
|
||||
unsigned int cidx; /* consumer index */
|
||||
unsigned int gen; /* current generation bit */
|
||||
unsigned int polling; /* is the queue serviced through NAPI? */
|
||||
unsigned int holdoff_tmr; /* interrupt holdoff timer in 100ns */
|
||||
unsigned int next_holdoff; /* holdoff time for next interrupt */
|
||||
struct rsp_desc *desc; /* address of HW response ring */
|
||||
dma_addr_t phys_addr; /* physical address of the ring */
|
||||
unsigned int cntxt_id; /* SGE context id for the response q */
|
||||
spinlock_t lock; /* guards response processing */
|
||||
struct sk_buff *rx_head; /* offload packet receive queue head */
|
||||
struct sk_buff *rx_tail; /* offload packet receive queue tail */
|
||||
|
||||
unsigned long offload_pkts;
|
||||
unsigned long offload_bundles;
|
||||
unsigned long eth_pkts; /* # of ethernet packets */
|
||||
unsigned long pure_rsps; /* # of pure (non-data) responses */
|
||||
unsigned long imm_data; /* responses with immediate data */
|
||||
unsigned long rx_drops; /* # of packets dropped due to no mem */
|
||||
unsigned long async_notif; /* # of asynchronous notification events */
|
||||
unsigned long empty; /* # of times queue ran out of credits */
|
||||
unsigned long nomem; /* # of responses deferred due to no mem */
|
||||
unsigned long unhandled_irqs; /* # of spurious intrs */
|
||||
};
|
||||
|
||||
struct tx_desc;
|
||||
struct tx_sw_desc;
|
||||
|
||||
struct sge_txq { /* state for an SGE Tx queue */
|
||||
unsigned long flags; /* HW DMA fetch status */
|
||||
unsigned int in_use; /* # of in-use Tx descriptors */
|
||||
unsigned int size; /* # of descriptors */
|
||||
unsigned int processed; /* total # of descs HW has processed */
|
||||
unsigned int cleaned; /* total # of descs SW has reclaimed */
|
||||
unsigned int stop_thres; /* SW TX queue suspend threshold */
|
||||
unsigned int cidx; /* consumer index */
|
||||
unsigned int pidx; /* producer index */
|
||||
unsigned int gen; /* current value of generation bit */
|
||||
unsigned int unacked; /* Tx descriptors used since last COMPL */
|
||||
struct tx_desc *desc; /* address of HW Tx descriptor ring */
|
||||
struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */
|
||||
spinlock_t lock; /* guards enqueueing of new packets */
|
||||
unsigned int token; /* WR token */
|
||||
dma_addr_t phys_addr; /* physical address of the ring */
|
||||
struct sk_buff_head sendq; /* List of backpressured offload packets */
|
||||
struct tasklet_struct qresume_tsk; /* restarts the queue */
|
||||
unsigned int cntxt_id; /* SGE context id for the Tx q */
|
||||
unsigned long stops; /* # of times q has been stopped */
|
||||
unsigned long restarts; /* # of queue restarts */
|
||||
};
|
||||
|
||||
enum { /* per port SGE statistics */
|
||||
SGE_PSTAT_TSO, /* # of TSO requests */
|
||||
SGE_PSTAT_RX_CSUM_GOOD, /* # of successful RX csum offloads */
|
||||
SGE_PSTAT_TX_CSUM, /* # of TX checksum offloads */
|
||||
SGE_PSTAT_VLANEX, /* # of VLAN tag extractions */
|
||||
SGE_PSTAT_VLANINS, /* # of VLAN tag insertions */
|
||||
|
||||
SGE_PSTAT_MAX /* must be last */
|
||||
};
|
||||
|
||||
struct sge_qset { /* an SGE queue set */
|
||||
struct sge_rspq rspq;
|
||||
struct sge_fl fl[SGE_RXQ_PER_SET];
|
||||
struct sge_txq txq[SGE_TXQ_PER_SET];
|
||||
struct net_device *netdev; /* associated net device */
|
||||
unsigned long txq_stopped; /* which Tx queues are stopped */
|
||||
struct timer_list tx_reclaim_timer; /* reclaims TX buffers */
|
||||
unsigned long port_stats[SGE_PSTAT_MAX];
|
||||
} ____cacheline_aligned;
|
||||
|
||||
struct sge {
|
||||
struct sge_qset qs[SGE_QSETS];
|
||||
spinlock_t reg_lock; /* guards non-atomic SGE registers (eg context) */
|
||||
};
|
||||
|
||||
struct adapter {
|
||||
struct t3cdev tdev;
|
||||
struct list_head adapter_list;
|
||||
void __iomem *regs;
|
||||
struct pci_dev *pdev;
|
||||
unsigned long registered_device_map;
|
||||
unsigned long open_device_map;
|
||||
unsigned long flags;
|
||||
|
||||
const char *name;
|
||||
int msg_enable;
|
||||
unsigned int mmio_len;
|
||||
|
||||
struct adapter_params params;
|
||||
unsigned int slow_intr_mask;
|
||||
unsigned long irq_stats[IRQ_NUM_STATS];
|
||||
|
||||
struct {
|
||||
unsigned short vec;
|
||||
char desc[22];
|
||||
} msix_info[SGE_QSETS + 1];
|
||||
|
||||
/* T3 modules */
|
||||
struct sge sge;
|
||||
struct mc7 pmrx;
|
||||
struct mc7 pmtx;
|
||||
struct mc7 cm;
|
||||
struct mc5 mc5;
|
||||
|
||||
struct net_device *port[MAX_NPORTS];
|
||||
unsigned int check_task_cnt;
|
||||
struct delayed_work adap_check_task;
|
||||
struct work_struct ext_intr_handler_task;
|
||||
|
||||
/*
|
||||
* Dummy netdevices are needed when using multiple receive queues with
|
||||
* NAPI as each netdevice can service only one queue.
|
||||
*/
|
||||
struct net_device *dummy_netdev[SGE_QSETS - 1];
|
||||
|
||||
struct dentry *debugfs_root;
|
||||
|
||||
struct mutex mdio_lock;
|
||||
spinlock_t stats_lock;
|
||||
spinlock_t work_lock;
|
||||
};
|
||||
|
||||
static inline u32 t3_read_reg(struct adapter *adapter, u32 reg_addr)
|
||||
{
|
||||
u32 val = readl(adapter->regs + reg_addr);
|
||||
|
||||
CH_DBG(adapter, MMIO, "read register 0x%x value 0x%x\n", reg_addr, val);
|
||||
return val;
|
||||
}
|
||||
|
||||
static inline void t3_write_reg(struct adapter *adapter, u32 reg_addr, u32 val)
|
||||
{
|
||||
CH_DBG(adapter, MMIO, "setting register 0x%x to 0x%x\n", reg_addr, val);
|
||||
writel(val, adapter->regs + reg_addr);
|
||||
}
|
||||
|
||||
static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
|
||||
{
|
||||
return netdev_priv(adap->port[idx]);
|
||||
}
|
||||
|
||||
/*
|
||||
* We use the spare atalk_ptr to map a net device to its SGE queue set.
|
||||
* This is a macro so it can be used as l-value.
|
||||
*/
|
||||
#define dev2qset(netdev) ((netdev)->atalk_ptr)
|
||||
|
||||
#define OFFLOAD_DEVMAP_BIT 15
|
||||
|
||||
#define tdev2adap(d) container_of(d, struct adapter, tdev)
|
||||
|
||||
static inline int offload_running(struct adapter *adapter)
|
||||
{
|
||||
return test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map);
|
||||
}
|
||||
|
||||
int t3_offload_tx(struct t3cdev *tdev, struct sk_buff *skb);
|
||||
|
||||
void t3_os_ext_intr_handler(struct adapter *adapter);
|
||||
void t3_os_link_changed(struct adapter *adapter, int port_id, int link_status,
|
||||
int speed, int duplex, int fc);
|
||||
|
||||
void t3_sge_start(struct adapter *adap);
|
||||
void t3_sge_stop(struct adapter *adap);
|
||||
void t3_free_sge_resources(struct adapter *adap);
|
||||
void t3_sge_err_intr_handler(struct adapter *adapter);
|
||||
intr_handler_t t3_intr_handler(struct adapter *adap, int polling);
|
||||
int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev);
|
||||
void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p);
|
||||
int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
|
||||
int irq_vec_idx, const struct qset_params *p,
|
||||
int ntxq, struct net_device *netdev);
|
||||
int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx,
|
||||
unsigned char *data);
|
||||
irqreturn_t t3_sge_intr_msix(int irq, void *cookie);
|
||||
|
||||
#endif /* __T3_ADAPTER_H__ */
|
||||
231
drivers/net/cxgb3/ael1002.c
Normal file
231
drivers/net/cxgb3/ael1002.c
Normal file
|
|
@ -0,0 +1,231 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver.
|
||||
*
|
||||
* Copyright (C) 2005-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "regs.h"
|
||||
|
||||
enum {
|
||||
AEL100X_TX_DISABLE = 9,
|
||||
AEL100X_TX_CONFIG1 = 0xc002,
|
||||
AEL1002_PWR_DOWN_HI = 0xc011,
|
||||
AEL1002_PWR_DOWN_LO = 0xc012,
|
||||
AEL1002_XFI_EQL = 0xc015,
|
||||
AEL1002_LB_EN = 0xc017,
|
||||
|
||||
LASI_CTRL = 0x9002,
|
||||
LASI_STAT = 0x9005
|
||||
};
|
||||
|
||||
static void ael100x_txon(struct cphy *phy)
|
||||
{
|
||||
int tx_on_gpio = phy->addr == 0 ? F_GPIO7_OUT_VAL : F_GPIO2_OUT_VAL;
|
||||
|
||||
msleep(100);
|
||||
t3_set_reg_field(phy->adapter, A_T3DBG_GPIO_EN, 0, tx_on_gpio);
|
||||
msleep(30);
|
||||
}
|
||||
|
||||
static int ael1002_power_down(struct cphy *phy, int enable)
|
||||
{
|
||||
int err;
|
||||
|
||||
err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL100X_TX_DISABLE, !!enable);
|
||||
if (!err)
|
||||
err = t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR,
|
||||
BMCR_PDOWN, enable ? BMCR_PDOWN : 0);
|
||||
return err;
|
||||
}
|
||||
|
||||
static int ael1002_reset(struct cphy *phy, int wait)
|
||||
{
|
||||
int err;
|
||||
|
||||
if ((err = ael1002_power_down(phy, 0)) ||
|
||||
(err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL100X_TX_CONFIG1, 1)) ||
|
||||
(err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_PWR_DOWN_HI, 0)) ||
|
||||
(err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_PWR_DOWN_LO, 0)) ||
|
||||
(err = mdio_write(phy, MDIO_DEV_PMA_PMD, AEL1002_XFI_EQL, 0x18)) ||
|
||||
(err = t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, AEL1002_LB_EN,
|
||||
0, 1 << 5)))
|
||||
return err;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ael1002_intr_noop(struct cphy *phy)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ael100x_get_link_status(struct cphy *phy, int *link_ok,
|
||||
int *speed, int *duplex, int *fc)
|
||||
{
|
||||
if (link_ok) {
|
||||
unsigned int status;
|
||||
int err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &status);
|
||||
|
||||
/*
|
||||
* BMSR_LSTATUS is latch-low, so if it is 0 we need to read it
|
||||
* once more to get the current link state.
|
||||
*/
|
||||
if (!err && !(status & BMSR_LSTATUS))
|
||||
err = mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR,
|
||||
&status);
|
||||
if (err)
|
||||
return err;
|
||||
*link_ok = !!(status & BMSR_LSTATUS);
|
||||
}
|
||||
if (speed)
|
||||
*speed = SPEED_10000;
|
||||
if (duplex)
|
||||
*duplex = DUPLEX_FULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct cphy_ops ael1002_ops = {
|
||||
.reset = ael1002_reset,
|
||||
.intr_enable = ael1002_intr_noop,
|
||||
.intr_disable = ael1002_intr_noop,
|
||||
.intr_clear = ael1002_intr_noop,
|
||||
.intr_handler = ael1002_intr_noop,
|
||||
.get_link_status = ael100x_get_link_status,
|
||||
.power_down = ael1002_power_down,
|
||||
};
|
||||
|
||||
void t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
cphy_init(phy, adapter, phy_addr, &ael1002_ops, mdio_ops);
|
||||
ael100x_txon(phy);
|
||||
}
|
||||
|
||||
static int ael1006_reset(struct cphy *phy, int wait)
|
||||
{
|
||||
return t3_phy_reset(phy, MDIO_DEV_PMA_PMD, wait);
|
||||
}
|
||||
|
||||
static int ael1006_intr_enable(struct cphy *phy)
|
||||
{
|
||||
return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 1);
|
||||
}
|
||||
|
||||
static int ael1006_intr_disable(struct cphy *phy)
|
||||
{
|
||||
return mdio_write(phy, MDIO_DEV_PMA_PMD, LASI_CTRL, 0);
|
||||
}
|
||||
|
||||
static int ael1006_intr_clear(struct cphy *phy)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
return mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &val);
|
||||
}
|
||||
|
||||
static int ael1006_intr_handler(struct cphy *phy)
|
||||
{
|
||||
unsigned int status;
|
||||
int err = mdio_read(phy, MDIO_DEV_PMA_PMD, LASI_STAT, &status);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
return (status & 1) ? cphy_cause_link_change : 0;
|
||||
}
|
||||
|
||||
static int ael1006_power_down(struct cphy *phy, int enable)
|
||||
{
|
||||
return t3_mdio_change_bits(phy, MDIO_DEV_PMA_PMD, MII_BMCR,
|
||||
BMCR_PDOWN, enable ? BMCR_PDOWN : 0);
|
||||
}
|
||||
|
||||
static struct cphy_ops ael1006_ops = {
|
||||
.reset = ael1006_reset,
|
||||
.intr_enable = ael1006_intr_enable,
|
||||
.intr_disable = ael1006_intr_disable,
|
||||
.intr_clear = ael1006_intr_clear,
|
||||
.intr_handler = ael1006_intr_handler,
|
||||
.get_link_status = ael100x_get_link_status,
|
||||
.power_down = ael1006_power_down,
|
||||
};
|
||||
|
||||
void t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
cphy_init(phy, adapter, phy_addr, &ael1006_ops, mdio_ops);
|
||||
ael100x_txon(phy);
|
||||
}
|
||||
|
||||
static struct cphy_ops qt2045_ops = {
|
||||
.reset = ael1006_reset,
|
||||
.intr_enable = ael1006_intr_enable,
|
||||
.intr_disable = ael1006_intr_disable,
|
||||
.intr_clear = ael1006_intr_clear,
|
||||
.intr_handler = ael1006_intr_handler,
|
||||
.get_link_status = ael100x_get_link_status,
|
||||
.power_down = ael1006_power_down,
|
||||
};
|
||||
|
||||
void t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
unsigned int stat;
|
||||
|
||||
cphy_init(phy, adapter, phy_addr, &qt2045_ops, mdio_ops);
|
||||
|
||||
/*
|
||||
* Some cards where the PHY is supposed to be at address 0 actually
|
||||
* have it at 1.
|
||||
*/
|
||||
if (!phy_addr && !mdio_read(phy, MDIO_DEV_PMA_PMD, MII_BMSR, &stat) &&
|
||||
stat == 0xffff)
|
||||
phy->addr = 1;
|
||||
}
|
||||
|
||||
static int xaui_direct_reset(struct cphy *phy, int wait)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xaui_direct_get_link_status(struct cphy *phy, int *link_ok,
|
||||
int *speed, int *duplex, int *fc)
|
||||
{
|
||||
if (link_ok) {
|
||||
unsigned int status;
|
||||
|
||||
status = t3_read_reg(phy->adapter,
|
||||
XGM_REG(A_XGM_SERDES_STAT0, phy->addr));
|
||||
*link_ok = !(status & F_LOWSIG0);
|
||||
}
|
||||
if (speed)
|
||||
*speed = SPEED_10000;
|
||||
if (duplex)
|
||||
*duplex = DUPLEX_FULL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int xaui_direct_power_down(struct cphy *phy, int enable)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct cphy_ops xaui_direct_ops = {
|
||||
.reset = xaui_direct_reset,
|
||||
.intr_enable = ael1002_intr_noop,
|
||||
.intr_disable = ael1002_intr_noop,
|
||||
.intr_clear = ael1002_intr_noop,
|
||||
.intr_handler = ael1002_intr_noop,
|
||||
.get_link_status = xaui_direct_get_link_status,
|
||||
.power_down = xaui_direct_power_down,
|
||||
};
|
||||
|
||||
void t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
cphy_init(phy, adapter, 1, &xaui_direct_ops, mdio_ops);
|
||||
}
|
||||
709
drivers/net/cxgb3/common.h
Normal file
709
drivers/net/cxgb3/common.h
Normal file
|
|
@ -0,0 +1,709 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver.
|
||||
*
|
||||
* Copyright (C) 2005-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#ifndef __CHELSIO_COMMON_H
|
||||
#define __CHELSIO_COMMON_H
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/ctype.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/netdevice.h>
|
||||
#include <linux/ethtool.h>
|
||||
#include <linux/mii.h>
|
||||
#include "version.h"
|
||||
|
||||
#define CH_ERR(adap, fmt, ...) dev_err(&adap->pdev->dev, fmt, ## __VA_ARGS__)
|
||||
#define CH_WARN(adap, fmt, ...) dev_warn(&adap->pdev->dev, fmt, ## __VA_ARGS__)
|
||||
#define CH_ALERT(adap, fmt, ...) \
|
||||
dev_printk(KERN_ALERT, &adap->pdev->dev, fmt, ## __VA_ARGS__)
|
||||
|
||||
/*
|
||||
* More powerful macro that selectively prints messages based on msg_enable.
|
||||
* For info and debugging messages.
|
||||
*/
|
||||
#define CH_MSG(adapter, level, category, fmt, ...) do { \
|
||||
if ((adapter)->msg_enable & NETIF_MSG_##category) \
|
||||
dev_printk(KERN_##level, &adapter->pdev->dev, fmt, \
|
||||
## __VA_ARGS__); \
|
||||
} while (0)
|
||||
|
||||
#ifdef DEBUG
|
||||
# define CH_DBG(adapter, category, fmt, ...) \
|
||||
CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__)
|
||||
#else
|
||||
# define CH_DBG(adapter, category, fmt, ...)
|
||||
#endif
|
||||
|
||||
/* Additional NETIF_MSG_* categories */
|
||||
#define NETIF_MSG_MMIO 0x8000000
|
||||
|
||||
struct t3_rx_mode {
|
||||
struct net_device *dev;
|
||||
struct dev_mc_list *mclist;
|
||||
unsigned int idx;
|
||||
};
|
||||
|
||||
static inline void init_rx_mode(struct t3_rx_mode *p, struct net_device *dev,
|
||||
struct dev_mc_list *mclist)
|
||||
{
|
||||
p->dev = dev;
|
||||
p->mclist = mclist;
|
||||
p->idx = 0;
|
||||
}
|
||||
|
||||
static inline u8 *t3_get_next_mcaddr(struct t3_rx_mode *rm)
|
||||
{
|
||||
u8 *addr = NULL;
|
||||
|
||||
if (rm->mclist && rm->idx < rm->dev->mc_count) {
|
||||
addr = rm->mclist->dmi_addr;
|
||||
rm->mclist = rm->mclist->next;
|
||||
rm->idx++;
|
||||
}
|
||||
return addr;
|
||||
}
|
||||
|
||||
enum {
|
||||
MAX_NPORTS = 2, /* max # of ports */
|
||||
MAX_FRAME_SIZE = 10240, /* max MAC frame size, including header + FCS */
|
||||
EEPROMSIZE = 8192, /* Serial EEPROM size */
|
||||
RSS_TABLE_SIZE = 64, /* size of RSS lookup and mapping tables */
|
||||
TCB_SIZE = 128, /* TCB size */
|
||||
NMTUS = 16, /* size of MTU table */
|
||||
NCCTRL_WIN = 32, /* # of congestion control windows */
|
||||
};
|
||||
|
||||
#define MAX_RX_COALESCING_LEN 16224U
|
||||
|
||||
enum {
|
||||
PAUSE_RX = 1 << 0,
|
||||
PAUSE_TX = 1 << 1,
|
||||
PAUSE_AUTONEG = 1 << 2
|
||||
};
|
||||
|
||||
enum {
|
||||
SUPPORTED_OFFLOAD = 1 << 24,
|
||||
SUPPORTED_IRQ = 1 << 25
|
||||
};
|
||||
|
||||
enum { /* adapter interrupt-maintained statistics */
|
||||
STAT_ULP_CH0_PBL_OOB,
|
||||
STAT_ULP_CH1_PBL_OOB,
|
||||
STAT_PCI_CORR_ECC,
|
||||
|
||||
IRQ_NUM_STATS /* keep last */
|
||||
};
|
||||
|
||||
enum {
|
||||
SGE_QSETS = 8, /* # of SGE Tx/Rx/RspQ sets */
|
||||
SGE_RXQ_PER_SET = 2, /* # of Rx queues per set */
|
||||
SGE_TXQ_PER_SET = 3 /* # of Tx queues per set */
|
||||
};
|
||||
|
||||
enum sge_context_type { /* SGE egress context types */
|
||||
SGE_CNTXT_RDMA = 0,
|
||||
SGE_CNTXT_ETH = 2,
|
||||
SGE_CNTXT_OFLD = 4,
|
||||
SGE_CNTXT_CTRL = 5
|
||||
};
|
||||
|
||||
enum {
|
||||
AN_PKT_SIZE = 32, /* async notification packet size */
|
||||
IMMED_PKT_SIZE = 48 /* packet size for immediate data */
|
||||
};
|
||||
|
||||
struct sg_ent { /* SGE scatter/gather entry */
|
||||
u32 len[2];
|
||||
u64 addr[2];
|
||||
};
|
||||
|
||||
#ifndef SGE_NUM_GENBITS
|
||||
/* Must be 1 or 2 */
|
||||
# define SGE_NUM_GENBITS 2
|
||||
#endif
|
||||
|
||||
#define TX_DESC_FLITS 16U
|
||||
#define WR_FLITS (TX_DESC_FLITS + 1 - SGE_NUM_GENBITS)
|
||||
|
||||
struct cphy;
|
||||
struct adapter;
|
||||
|
||||
struct mdio_ops {
|
||||
int (*read)(struct adapter *adapter, int phy_addr, int mmd_addr,
|
||||
int reg_addr, unsigned int *val);
|
||||
int (*write)(struct adapter *adapter, int phy_addr, int mmd_addr,
|
||||
int reg_addr, unsigned int val);
|
||||
};
|
||||
|
||||
struct adapter_info {
|
||||
unsigned char nports; /* # of ports */
|
||||
unsigned char phy_base_addr; /* MDIO PHY base address */
|
||||
unsigned char mdien;
|
||||
unsigned char mdiinv;
|
||||
unsigned int gpio_out; /* GPIO output settings */
|
||||
unsigned int gpio_intr; /* GPIO IRQ enable mask */
|
||||
unsigned long caps; /* adapter capabilities */
|
||||
const struct mdio_ops *mdio_ops; /* MDIO operations */
|
||||
const char *desc; /* product description */
|
||||
};
|
||||
|
||||
struct port_type_info {
|
||||
void (*phy_prep)(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *ops);
|
||||
unsigned int caps;
|
||||
const char *desc;
|
||||
};
|
||||
|
||||
struct mc5_stats {
|
||||
unsigned long parity_err;
|
||||
unsigned long active_rgn_full;
|
||||
unsigned long nfa_srch_err;
|
||||
unsigned long unknown_cmd;
|
||||
unsigned long reqq_parity_err;
|
||||
unsigned long dispq_parity_err;
|
||||
unsigned long del_act_empty;
|
||||
};
|
||||
|
||||
struct mc7_stats {
|
||||
unsigned long corr_err;
|
||||
unsigned long uncorr_err;
|
||||
unsigned long parity_err;
|
||||
unsigned long addr_err;
|
||||
};
|
||||
|
||||
struct mac_stats {
|
||||
u64 tx_octets; /* total # of octets in good frames */
|
||||
u64 tx_octets_bad; /* total # of octets in error frames */
|
||||
u64 tx_frames; /* all good frames */
|
||||
u64 tx_mcast_frames; /* good multicast frames */
|
||||
u64 tx_bcast_frames; /* good broadcast frames */
|
||||
u64 tx_pause; /* # of transmitted pause frames */
|
||||
u64 tx_deferred; /* frames with deferred transmissions */
|
||||
u64 tx_late_collisions; /* # of late collisions */
|
||||
u64 tx_total_collisions; /* # of total collisions */
|
||||
u64 tx_excess_collisions; /* frame errors from excessive collissions */
|
||||
u64 tx_underrun; /* # of Tx FIFO underruns */
|
||||
u64 tx_len_errs; /* # of Tx length errors */
|
||||
u64 tx_mac_internal_errs; /* # of internal MAC errors on Tx */
|
||||
u64 tx_excess_deferral; /* # of frames with excessive deferral */
|
||||
u64 tx_fcs_errs; /* # of frames with bad FCS */
|
||||
|
||||
u64 tx_frames_64; /* # of Tx frames in a particular range */
|
||||
u64 tx_frames_65_127;
|
||||
u64 tx_frames_128_255;
|
||||
u64 tx_frames_256_511;
|
||||
u64 tx_frames_512_1023;
|
||||
u64 tx_frames_1024_1518;
|
||||
u64 tx_frames_1519_max;
|
||||
|
||||
u64 rx_octets; /* total # of octets in good frames */
|
||||
u64 rx_octets_bad; /* total # of octets in error frames */
|
||||
u64 rx_frames; /* all good frames */
|
||||
u64 rx_mcast_frames; /* good multicast frames */
|
||||
u64 rx_bcast_frames; /* good broadcast frames */
|
||||
u64 rx_pause; /* # of received pause frames */
|
||||
u64 rx_fcs_errs; /* # of received frames with bad FCS */
|
||||
u64 rx_align_errs; /* alignment errors */
|
||||
u64 rx_symbol_errs; /* symbol errors */
|
||||
u64 rx_data_errs; /* data errors */
|
||||
u64 rx_sequence_errs; /* sequence errors */
|
||||
u64 rx_runt; /* # of runt frames */
|
||||
u64 rx_jabber; /* # of jabber frames */
|
||||
u64 rx_short; /* # of short frames */
|
||||
u64 rx_too_long; /* # of oversized frames */
|
||||
u64 rx_mac_internal_errs; /* # of internal MAC errors on Rx */
|
||||
|
||||
u64 rx_frames_64; /* # of Rx frames in a particular range */
|
||||
u64 rx_frames_65_127;
|
||||
u64 rx_frames_128_255;
|
||||
u64 rx_frames_256_511;
|
||||
u64 rx_frames_512_1023;
|
||||
u64 rx_frames_1024_1518;
|
||||
u64 rx_frames_1519_max;
|
||||
|
||||
u64 rx_cong_drops; /* # of Rx drops due to SGE congestion */
|
||||
|
||||
unsigned long tx_fifo_parity_err;
|
||||
unsigned long rx_fifo_parity_err;
|
||||
unsigned long tx_fifo_urun;
|
||||
unsigned long rx_fifo_ovfl;
|
||||
unsigned long serdes_signal_loss;
|
||||
unsigned long xaui_pcs_ctc_err;
|
||||
unsigned long xaui_pcs_align_change;
|
||||
};
|
||||
|
||||
struct tp_mib_stats {
|
||||
u32 ipInReceive_hi;
|
||||
u32 ipInReceive_lo;
|
||||
u32 ipInHdrErrors_hi;
|
||||
u32 ipInHdrErrors_lo;
|
||||
u32 ipInAddrErrors_hi;
|
||||
u32 ipInAddrErrors_lo;
|
||||
u32 ipInUnknownProtos_hi;
|
||||
u32 ipInUnknownProtos_lo;
|
||||
u32 ipInDiscards_hi;
|
||||
u32 ipInDiscards_lo;
|
||||
u32 ipInDelivers_hi;
|
||||
u32 ipInDelivers_lo;
|
||||
u32 ipOutRequests_hi;
|
||||
u32 ipOutRequests_lo;
|
||||
u32 ipOutDiscards_hi;
|
||||
u32 ipOutDiscards_lo;
|
||||
u32 ipOutNoRoutes_hi;
|
||||
u32 ipOutNoRoutes_lo;
|
||||
u32 ipReasmTimeout;
|
||||
u32 ipReasmReqds;
|
||||
u32 ipReasmOKs;
|
||||
u32 ipReasmFails;
|
||||
|
||||
u32 reserved[8];
|
||||
|
||||
u32 tcpActiveOpens;
|
||||
u32 tcpPassiveOpens;
|
||||
u32 tcpAttemptFails;
|
||||
u32 tcpEstabResets;
|
||||
u32 tcpOutRsts;
|
||||
u32 tcpCurrEstab;
|
||||
u32 tcpInSegs_hi;
|
||||
u32 tcpInSegs_lo;
|
||||
u32 tcpOutSegs_hi;
|
||||
u32 tcpOutSegs_lo;
|
||||
u32 tcpRetransSeg_hi;
|
||||
u32 tcpRetransSeg_lo;
|
||||
u32 tcpInErrs_hi;
|
||||
u32 tcpInErrs_lo;
|
||||
u32 tcpRtoMin;
|
||||
u32 tcpRtoMax;
|
||||
};
|
||||
|
||||
struct tp_params {
|
||||
unsigned int nchan; /* # of channels */
|
||||
unsigned int pmrx_size; /* total PMRX capacity */
|
||||
unsigned int pmtx_size; /* total PMTX capacity */
|
||||
unsigned int cm_size; /* total CM capacity */
|
||||
unsigned int chan_rx_size; /* per channel Rx size */
|
||||
unsigned int chan_tx_size; /* per channel Tx size */
|
||||
unsigned int rx_pg_size; /* Rx page size */
|
||||
unsigned int tx_pg_size; /* Tx page size */
|
||||
unsigned int rx_num_pgs; /* # of Rx pages */
|
||||
unsigned int tx_num_pgs; /* # of Tx pages */
|
||||
unsigned int ntimer_qs; /* # of timer queues */
|
||||
};
|
||||
|
||||
struct qset_params { /* SGE queue set parameters */
|
||||
unsigned int polling; /* polling/interrupt service for rspq */
|
||||
unsigned int coalesce_usecs; /* irq coalescing timer */
|
||||
unsigned int rspq_size; /* # of entries in response queue */
|
||||
unsigned int fl_size; /* # of entries in regular free list */
|
||||
unsigned int jumbo_size; /* # of entries in jumbo free list */
|
||||
unsigned int txq_size[SGE_TXQ_PER_SET]; /* Tx queue sizes */
|
||||
unsigned int cong_thres; /* FL congestion threshold */
|
||||
};
|
||||
|
||||
struct sge_params {
|
||||
unsigned int max_pkt_size; /* max offload pkt size */
|
||||
struct qset_params qset[SGE_QSETS];
|
||||
};
|
||||
|
||||
struct mc5_params {
|
||||
unsigned int mode; /* selects MC5 width */
|
||||
unsigned int nservers; /* size of server region */
|
||||
unsigned int nfilters; /* size of filter region */
|
||||
unsigned int nroutes; /* size of routing region */
|
||||
};
|
||||
|
||||
/* Default MC5 region sizes */
|
||||
enum {
|
||||
DEFAULT_NSERVERS = 512,
|
||||
DEFAULT_NFILTERS = 128
|
||||
};
|
||||
|
||||
/* MC5 modes, these must be non-0 */
|
||||
enum {
|
||||
MC5_MODE_144_BIT = 1,
|
||||
MC5_MODE_72_BIT = 2
|
||||
};
|
||||
|
||||
struct vpd_params {
|
||||
unsigned int cclk;
|
||||
unsigned int mclk;
|
||||
unsigned int uclk;
|
||||
unsigned int mdc;
|
||||
unsigned int mem_timing;
|
||||
u8 eth_base[6];
|
||||
u8 port_type[MAX_NPORTS];
|
||||
unsigned short xauicfg[2];
|
||||
};
|
||||
|
||||
struct pci_params {
|
||||
unsigned int vpd_cap_addr;
|
||||
unsigned int pcie_cap_addr;
|
||||
unsigned short speed;
|
||||
unsigned char width;
|
||||
unsigned char variant;
|
||||
};
|
||||
|
||||
enum {
|
||||
PCI_VARIANT_PCI,
|
||||
PCI_VARIANT_PCIX_MODE1_PARITY,
|
||||
PCI_VARIANT_PCIX_MODE1_ECC,
|
||||
PCI_VARIANT_PCIX_266_MODE2,
|
||||
PCI_VARIANT_PCIE
|
||||
};
|
||||
|
||||
struct adapter_params {
|
||||
struct sge_params sge;
|
||||
struct mc5_params mc5;
|
||||
struct tp_params tp;
|
||||
struct vpd_params vpd;
|
||||
struct pci_params pci;
|
||||
|
||||
const struct adapter_info *info;
|
||||
|
||||
unsigned short mtus[NMTUS];
|
||||
unsigned short a_wnd[NCCTRL_WIN];
|
||||
unsigned short b_wnd[NCCTRL_WIN];
|
||||
|
||||
unsigned int nports; /* # of ethernet ports */
|
||||
unsigned int stats_update_period; /* MAC stats accumulation period */
|
||||
unsigned int linkpoll_period; /* link poll period in 0.1s */
|
||||
unsigned int rev; /* chip revision */
|
||||
};
|
||||
|
||||
struct trace_params {
|
||||
u32 sip;
|
||||
u32 sip_mask;
|
||||
u32 dip;
|
||||
u32 dip_mask;
|
||||
u16 sport;
|
||||
u16 sport_mask;
|
||||
u16 dport;
|
||||
u16 dport_mask;
|
||||
u32 vlan:12;
|
||||
u32 vlan_mask:12;
|
||||
u32 intf:4;
|
||||
u32 intf_mask:4;
|
||||
u8 proto;
|
||||
u8 proto_mask;
|
||||
};
|
||||
|
||||
struct link_config {
|
||||
unsigned int supported; /* link capabilities */
|
||||
unsigned int advertising; /* advertised capabilities */
|
||||
unsigned short requested_speed; /* speed user has requested */
|
||||
unsigned short speed; /* actual link speed */
|
||||
unsigned char requested_duplex; /* duplex user has requested */
|
||||
unsigned char duplex; /* actual link duplex */
|
||||
unsigned char requested_fc; /* flow control user has requested */
|
||||
unsigned char fc; /* actual link flow control */
|
||||
unsigned char autoneg; /* autonegotiating? */
|
||||
unsigned int link_ok; /* link up? */
|
||||
};
|
||||
|
||||
#define SPEED_INVALID 0xffff
|
||||
#define DUPLEX_INVALID 0xff
|
||||
|
||||
struct mc5 {
|
||||
struct adapter *adapter;
|
||||
unsigned int tcam_size;
|
||||
unsigned char part_type;
|
||||
unsigned char parity_enabled;
|
||||
unsigned char mode;
|
||||
struct mc5_stats stats;
|
||||
};
|
||||
|
||||
static inline unsigned int t3_mc5_size(const struct mc5 *p)
|
||||
{
|
||||
return p->tcam_size;
|
||||
}
|
||||
|
||||
struct mc7 {
|
||||
struct adapter *adapter; /* backpointer to adapter */
|
||||
unsigned int size; /* memory size in bytes */
|
||||
unsigned int width; /* MC7 interface width */
|
||||
unsigned int offset; /* register address offset for MC7 instance */
|
||||
const char *name; /* name of MC7 instance */
|
||||
struct mc7_stats stats; /* MC7 statistics */
|
||||
};
|
||||
|
||||
static inline unsigned int t3_mc7_size(const struct mc7 *p)
|
||||
{
|
||||
return p->size;
|
||||
}
|
||||
|
||||
struct cmac {
|
||||
struct adapter *adapter;
|
||||
unsigned int offset;
|
||||
unsigned int nucast; /* # of address filters for unicast MACs */
|
||||
struct mac_stats stats;
|
||||
};
|
||||
|
||||
enum {
|
||||
MAC_DIRECTION_RX = 1,
|
||||
MAC_DIRECTION_TX = 2,
|
||||
MAC_RXFIFO_SIZE = 32768
|
||||
};
|
||||
|
||||
/* IEEE 802.3ae specified MDIO devices */
|
||||
enum {
|
||||
MDIO_DEV_PMA_PMD = 1,
|
||||
MDIO_DEV_WIS = 2,
|
||||
MDIO_DEV_PCS = 3,
|
||||
MDIO_DEV_XGXS = 4
|
||||
};
|
||||
|
||||
/* PHY loopback direction */
|
||||
enum {
|
||||
PHY_LOOPBACK_TX = 1,
|
||||
PHY_LOOPBACK_RX = 2
|
||||
};
|
||||
|
||||
/* PHY interrupt types */
|
||||
enum {
|
||||
cphy_cause_link_change = 1,
|
||||
cphy_cause_fifo_error = 2
|
||||
};
|
||||
|
||||
/* PHY operations */
|
||||
struct cphy_ops {
|
||||
void (*destroy)(struct cphy *phy);
|
||||
int (*reset)(struct cphy *phy, int wait);
|
||||
|
||||
int (*intr_enable)(struct cphy *phy);
|
||||
int (*intr_disable)(struct cphy *phy);
|
||||
int (*intr_clear)(struct cphy *phy);
|
||||
int (*intr_handler)(struct cphy *phy);
|
||||
|
||||
int (*autoneg_enable)(struct cphy *phy);
|
||||
int (*autoneg_restart)(struct cphy *phy);
|
||||
|
||||
int (*advertise)(struct cphy *phy, unsigned int advertise_map);
|
||||
int (*set_loopback)(struct cphy *phy, int mmd, int dir, int enable);
|
||||
int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex);
|
||||
int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed,
|
||||
int *duplex, int *fc);
|
||||
int (*power_down)(struct cphy *phy, int enable);
|
||||
};
|
||||
|
||||
/* A PHY instance */
|
||||
struct cphy {
|
||||
int addr; /* PHY address */
|
||||
struct adapter *adapter; /* associated adapter */
|
||||
unsigned long fifo_errors; /* FIFO over/under-flows */
|
||||
const struct cphy_ops *ops; /* PHY operations */
|
||||
int (*mdio_read)(struct adapter *adapter, int phy_addr, int mmd_addr,
|
||||
int reg_addr, unsigned int *val);
|
||||
int (*mdio_write)(struct adapter *adapter, int phy_addr, int mmd_addr,
|
||||
int reg_addr, unsigned int val);
|
||||
};
|
||||
|
||||
/* Convenience MDIO read/write wrappers */
|
||||
static inline int mdio_read(struct cphy *phy, int mmd, int reg,
|
||||
unsigned int *valp)
|
||||
{
|
||||
return phy->mdio_read(phy->adapter, phy->addr, mmd, reg, valp);
|
||||
}
|
||||
|
||||
static inline int mdio_write(struct cphy *phy, int mmd, int reg,
|
||||
unsigned int val)
|
||||
{
|
||||
return phy->mdio_write(phy->adapter, phy->addr, mmd, reg, val);
|
||||
}
|
||||
|
||||
/* Convenience initializer */
|
||||
static inline void cphy_init(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, struct cphy_ops *phy_ops,
|
||||
const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
phy->adapter = adapter;
|
||||
phy->addr = phy_addr;
|
||||
phy->ops = phy_ops;
|
||||
if (mdio_ops) {
|
||||
phy->mdio_read = mdio_ops->read;
|
||||
phy->mdio_write = mdio_ops->write;
|
||||
}
|
||||
}
|
||||
|
||||
/* Accumulate MAC statistics every 180 seconds. For 1G we multiply by 10. */
|
||||
#define MAC_STATS_ACCUM_SECS 180
|
||||
|
||||
#define XGM_REG(reg_addr, idx) \
|
||||
((reg_addr) + (idx) * (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR))
|
||||
|
||||
struct addr_val_pair {
|
||||
unsigned int reg_addr;
|
||||
unsigned int val;
|
||||
};
|
||||
|
||||
#include "adapter.h"
|
||||
|
||||
#ifndef PCI_VENDOR_ID_CHELSIO
|
||||
# define PCI_VENDOR_ID_CHELSIO 0x1425
|
||||
#endif
|
||||
|
||||
#define for_each_port(adapter, iter) \
|
||||
for (iter = 0; iter < (adapter)->params.nports; ++iter)
|
||||
|
||||
#define adapter_info(adap) ((adap)->params.info)
|
||||
|
||||
static inline int uses_xaui(const struct adapter *adap)
|
||||
{
|
||||
return adapter_info(adap)->caps & SUPPORTED_AUI;
|
||||
}
|
||||
|
||||
static inline int is_10G(const struct adapter *adap)
|
||||
{
|
||||
return adapter_info(adap)->caps & SUPPORTED_10000baseT_Full;
|
||||
}
|
||||
|
||||
static inline int is_offload(const struct adapter *adap)
|
||||
{
|
||||
return adapter_info(adap)->caps & SUPPORTED_OFFLOAD;
|
||||
}
|
||||
|
||||
static inline unsigned int core_ticks_per_usec(const struct adapter *adap)
|
||||
{
|
||||
return adap->params.vpd.cclk / 1000;
|
||||
}
|
||||
|
||||
static inline unsigned int is_pcie(const struct adapter *adap)
|
||||
{
|
||||
return adap->params.pci.variant == PCI_VARIANT_PCIE;
|
||||
}
|
||||
|
||||
void t3_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask,
|
||||
u32 val);
|
||||
void t3_write_regs(struct adapter *adapter, const struct addr_val_pair *p,
|
||||
int n, unsigned int offset);
|
||||
int t3_wait_op_done_val(struct adapter *adapter, int reg, u32 mask,
|
||||
int polarity, int attempts, int delay, u32 *valp);
|
||||
static inline int t3_wait_op_done(struct adapter *adapter, int reg, u32 mask,
|
||||
int polarity, int attempts, int delay)
|
||||
{
|
||||
return t3_wait_op_done_val(adapter, reg, mask, polarity, attempts,
|
||||
delay, NULL);
|
||||
}
|
||||
int t3_mdio_change_bits(struct cphy *phy, int mmd, int reg, unsigned int clear,
|
||||
unsigned int set);
|
||||
int t3_phy_reset(struct cphy *phy, int mmd, int wait);
|
||||
int t3_phy_advertise(struct cphy *phy, unsigned int advert);
|
||||
int t3_set_phy_speed_duplex(struct cphy *phy, int speed, int duplex);
|
||||
|
||||
void t3_intr_enable(struct adapter *adapter);
|
||||
void t3_intr_disable(struct adapter *adapter);
|
||||
void t3_intr_clear(struct adapter *adapter);
|
||||
void t3_port_intr_enable(struct adapter *adapter, int idx);
|
||||
void t3_port_intr_disable(struct adapter *adapter, int idx);
|
||||
void t3_port_intr_clear(struct adapter *adapter, int idx);
|
||||
int t3_slow_intr_handler(struct adapter *adapter);
|
||||
int t3_phy_intr_handler(struct adapter *adapter);
|
||||
|
||||
void t3_link_changed(struct adapter *adapter, int port_id);
|
||||
int t3_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
|
||||
const struct adapter_info *t3_get_adapter_info(unsigned int board_id);
|
||||
int t3_seeprom_read(struct adapter *adapter, u32 addr, u32 *data);
|
||||
int t3_seeprom_write(struct adapter *adapter, u32 addr, u32 data);
|
||||
int t3_seeprom_wp(struct adapter *adapter, int enable);
|
||||
int t3_read_flash(struct adapter *adapter, unsigned int addr,
|
||||
unsigned int nwords, u32 *data, int byte_oriented);
|
||||
int t3_load_fw(struct adapter *adapter, const u8 * fw_data, unsigned int size);
|
||||
int t3_get_fw_version(struct adapter *adapter, u32 *vers);
|
||||
int t3_check_fw_version(struct adapter *adapter);
|
||||
int t3_init_hw(struct adapter *adapter, u32 fw_params);
|
||||
void mac_prep(struct cmac *mac, struct adapter *adapter, int index);
|
||||
void early_hw_init(struct adapter *adapter, const struct adapter_info *ai);
|
||||
int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
|
||||
int reset);
|
||||
void t3_led_ready(struct adapter *adapter);
|
||||
void t3_fatal_err(struct adapter *adapter);
|
||||
void t3_set_vlan_accel(struct adapter *adapter, unsigned int ports, int on);
|
||||
void t3_config_rss(struct adapter *adapter, unsigned int rss_config,
|
||||
const u8 * cpus, const u16 *rspq);
|
||||
int t3_read_rss(struct adapter *adapter, u8 * lkup, u16 *map);
|
||||
int t3_mps_set_active_ports(struct adapter *adap, unsigned int port_mask);
|
||||
int t3_cim_ctl_blk_read(struct adapter *adap, unsigned int addr,
|
||||
unsigned int n, unsigned int *valp);
|
||||
int t3_mc7_bd_read(struct mc7 *mc7, unsigned int start, unsigned int n,
|
||||
u64 *buf);
|
||||
|
||||
int t3_mac_reset(struct cmac *mac);
|
||||
void t3b_pcs_reset(struct cmac *mac);
|
||||
int t3_mac_enable(struct cmac *mac, int which);
|
||||
int t3_mac_disable(struct cmac *mac, int which);
|
||||
int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu);
|
||||
int t3_mac_set_rx_mode(struct cmac *mac, struct t3_rx_mode *rm);
|
||||
int t3_mac_set_address(struct cmac *mac, unsigned int idx, u8 addr[6]);
|
||||
int t3_mac_set_num_ucast(struct cmac *mac, int n);
|
||||
const struct mac_stats *t3_mac_update_stats(struct cmac *mac);
|
||||
int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc);
|
||||
|
||||
void t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode);
|
||||
int t3_mc5_init(struct mc5 *mc5, unsigned int nservers, unsigned int nfilters,
|
||||
unsigned int nroutes);
|
||||
void t3_mc5_intr_handler(struct mc5 *mc5);
|
||||
int t3_read_mc5_range(const struct mc5 *mc5, unsigned int start, unsigned int n,
|
||||
u32 *buf);
|
||||
|
||||
int t3_tp_set_coalescing_size(struct adapter *adap, unsigned int size, int psh);
|
||||
void t3_tp_set_max_rxsize(struct adapter *adap, unsigned int size);
|
||||
void t3_tp_set_offload_mode(struct adapter *adap, int enable);
|
||||
void t3_tp_get_mib_stats(struct adapter *adap, struct tp_mib_stats *tps);
|
||||
void t3_load_mtus(struct adapter *adap, unsigned short mtus[NMTUS],
|
||||
unsigned short alpha[NCCTRL_WIN],
|
||||
unsigned short beta[NCCTRL_WIN], unsigned short mtu_cap);
|
||||
void t3_read_hw_mtus(struct adapter *adap, unsigned short mtus[NMTUS]);
|
||||
void t3_get_cong_cntl_tab(struct adapter *adap,
|
||||
unsigned short incr[NMTUS][NCCTRL_WIN]);
|
||||
void t3_config_trace_filter(struct adapter *adapter,
|
||||
const struct trace_params *tp, int filter_index,
|
||||
int invert, int enable);
|
||||
int t3_config_sched(struct adapter *adap, unsigned int kbps, int sched);
|
||||
|
||||
void t3_sge_prep(struct adapter *adap, struct sge_params *p);
|
||||
void t3_sge_init(struct adapter *adap, struct sge_params *p);
|
||||
int t3_sge_init_ecntxt(struct adapter *adapter, unsigned int id, int gts_enable,
|
||||
enum sge_context_type type, int respq, u64 base_addr,
|
||||
unsigned int size, unsigned int token, int gen,
|
||||
unsigned int cidx);
|
||||
int t3_sge_init_flcntxt(struct adapter *adapter, unsigned int id,
|
||||
int gts_enable, u64 base_addr, unsigned int size,
|
||||
unsigned int esize, unsigned int cong_thres, int gen,
|
||||
unsigned int cidx);
|
||||
int t3_sge_init_rspcntxt(struct adapter *adapter, unsigned int id,
|
||||
int irq_vec_idx, u64 base_addr, unsigned int size,
|
||||
unsigned int fl_thres, int gen, unsigned int cidx);
|
||||
int t3_sge_init_cqcntxt(struct adapter *adapter, unsigned int id, u64 base_addr,
|
||||
unsigned int size, int rspq, int ovfl_mode,
|
||||
unsigned int credits, unsigned int credit_thres);
|
||||
int t3_sge_enable_ecntxt(struct adapter *adapter, unsigned int id, int enable);
|
||||
int t3_sge_disable_fl(struct adapter *adapter, unsigned int id);
|
||||
int t3_sge_disable_rspcntxt(struct adapter *adapter, unsigned int id);
|
||||
int t3_sge_disable_cqcntxt(struct adapter *adapter, unsigned int id);
|
||||
int t3_sge_read_ecntxt(struct adapter *adapter, unsigned int id, u32 data[4]);
|
||||
int t3_sge_read_fl(struct adapter *adapter, unsigned int id, u32 data[4]);
|
||||
int t3_sge_read_cq(struct adapter *adapter, unsigned int id, u32 data[4]);
|
||||
int t3_sge_read_rspq(struct adapter *adapter, unsigned int id, u32 data[4]);
|
||||
int t3_sge_cqcntxt_op(struct adapter *adapter, unsigned int id, unsigned int op,
|
||||
unsigned int credits);
|
||||
|
||||
void t3_vsc8211_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
void t3_ael1002_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
void t3_ael1006_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
void t3_qt2045_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr,
|
||||
const struct mdio_ops *mdio_ops);
|
||||
void t3_xaui_direct_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops);
|
||||
#endif /* __CHELSIO_COMMON_H */
|
||||
142
drivers/net/cxgb3/cxgb3_ctl_defs.h
Normal file
142
drivers/net/cxgb3/cxgb3_ctl_defs.h
Normal file
|
|
@ -0,0 +1,142 @@
|
|||
/*
|
||||
* Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#ifndef _CXGB3_OFFLOAD_CTL_DEFS_H
|
||||
#define _CXGB3_OFFLOAD_CTL_DEFS_H
|
||||
|
||||
enum {
|
||||
GET_MAX_OUTSTANDING_WR,
|
||||
GET_TX_MAX_CHUNK,
|
||||
GET_TID_RANGE,
|
||||
GET_STID_RANGE,
|
||||
GET_RTBL_RANGE,
|
||||
GET_L2T_CAPACITY,
|
||||
GET_MTUS,
|
||||
GET_WR_LEN,
|
||||
GET_IFF_FROM_MAC,
|
||||
GET_DDP_PARAMS,
|
||||
GET_PORTS,
|
||||
|
||||
ULP_ISCSI_GET_PARAMS,
|
||||
ULP_ISCSI_SET_PARAMS,
|
||||
|
||||
RDMA_GET_PARAMS,
|
||||
RDMA_CQ_OP,
|
||||
RDMA_CQ_SETUP,
|
||||
RDMA_CQ_DISABLE,
|
||||
RDMA_CTRL_QP_SETUP,
|
||||
RDMA_GET_MEM,
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to describe a TID range. Valid TIDs are [base, base+num).
|
||||
*/
|
||||
struct tid_range {
|
||||
unsigned int base; /* first TID */
|
||||
unsigned int num; /* number of TIDs in range */
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to request the size and contents of the MTU table.
|
||||
*/
|
||||
struct mtutab {
|
||||
unsigned int size; /* # of entries in the MTU table */
|
||||
const unsigned short *mtus; /* the MTU table values */
|
||||
};
|
||||
|
||||
struct net_device;
|
||||
|
||||
/*
|
||||
* Structure used to request the adapter net_device owning a given MAC address.
|
||||
*/
|
||||
struct iff_mac {
|
||||
struct net_device *dev; /* the net_device */
|
||||
const unsigned char *mac_addr; /* MAC address to lookup */
|
||||
u16 vlan_tag;
|
||||
};
|
||||
|
||||
struct pci_dev;
|
||||
|
||||
/*
|
||||
* Structure used to request the TCP DDP parameters.
|
||||
*/
|
||||
struct ddp_params {
|
||||
unsigned int llimit; /* TDDP region start address */
|
||||
unsigned int ulimit; /* TDDP region end address */
|
||||
unsigned int tag_mask; /* TDDP tag mask */
|
||||
struct pci_dev *pdev;
|
||||
};
|
||||
|
||||
struct adap_ports {
|
||||
unsigned int nports; /* number of ports on this adapter */
|
||||
struct net_device *lldevs[2];
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to return information to the iscsi layer.
|
||||
*/
|
||||
struct ulp_iscsi_info {
|
||||
unsigned int offset;
|
||||
unsigned int llimit;
|
||||
unsigned int ulimit;
|
||||
unsigned int tagmask;
|
||||
unsigned int pgsz3;
|
||||
unsigned int pgsz2;
|
||||
unsigned int pgsz1;
|
||||
unsigned int pgsz0;
|
||||
unsigned int max_rxsz;
|
||||
unsigned int max_txsz;
|
||||
struct pci_dev *pdev;
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to return information to the RDMA layer.
|
||||
*/
|
||||
struct rdma_info {
|
||||
unsigned int tpt_base; /* TPT base address */
|
||||
unsigned int tpt_top; /* TPT last entry address */
|
||||
unsigned int pbl_base; /* PBL base address */
|
||||
unsigned int pbl_top; /* PBL last entry address */
|
||||
unsigned int rqt_base; /* RQT base address */
|
||||
unsigned int rqt_top; /* RQT last entry address */
|
||||
unsigned int udbell_len; /* user doorbell region length */
|
||||
unsigned long udbell_physbase; /* user doorbell physical start addr */
|
||||
void __iomem *kdb_addr; /* kernel doorbell register address */
|
||||
struct pci_dev *pdev; /* associated PCI device */
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to request an operation on an RDMA completion queue.
|
||||
*/
|
||||
struct rdma_cq_op {
|
||||
unsigned int id;
|
||||
unsigned int op;
|
||||
unsigned int credits;
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to setup RDMA completion queues.
|
||||
*/
|
||||
struct rdma_cq_setup {
|
||||
unsigned int id;
|
||||
unsigned long long base_addr;
|
||||
unsigned int size;
|
||||
unsigned int credits;
|
||||
unsigned int credit_thres;
|
||||
unsigned int ovfl_mode;
|
||||
};
|
||||
|
||||
/*
|
||||
* Structure used to setup the RDMA control egress context.
|
||||
*/
|
||||
struct rdma_ctrlqp_setup {
|
||||
unsigned long long base_addr;
|
||||
unsigned int size;
|
||||
};
|
||||
#endif /* _CXGB3_OFFLOAD_CTL_DEFS_H */
|
||||
99
drivers/net/cxgb3/cxgb3_defs.h
Normal file
99
drivers/net/cxgb3/cxgb3_defs.h
Normal file
|
|
@ -0,0 +1,99 @@
|
|||
/*
|
||||
* Copyright (c) 2006 Chelsio, Inc. All rights reserved.
|
||||
* Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
#ifndef _CHELSIO_DEFS_H
|
||||
#define _CHELSIO_DEFS_H
|
||||
|
||||
#include <linux/skbuff.h>
|
||||
#include <net/tcp.h>
|
||||
|
||||
#include "t3cdev.h"
|
||||
|
||||
#include "cxgb3_offload.h"
|
||||
|
||||
#define VALIDATE_TID 1
|
||||
|
||||
void *cxgb_alloc_mem(unsigned long size);
|
||||
void cxgb_free_mem(void *addr);
|
||||
void cxgb_neigh_update(struct neighbour *neigh);
|
||||
void cxgb_redirect(struct dst_entry *old, struct dst_entry *new);
|
||||
|
||||
/*
|
||||
* Map an ATID or STID to their entries in the corresponding TID tables.
|
||||
*/
|
||||
static inline union active_open_entry *atid2entry(const struct tid_info *t,
|
||||
unsigned int atid)
|
||||
{
|
||||
return &t->atid_tab[atid - t->atid_base];
|
||||
}
|
||||
|
||||
static inline union listen_entry *stid2entry(const struct tid_info *t,
|
||||
unsigned int stid)
|
||||
{
|
||||
return &t->stid_tab[stid - t->stid_base];
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the connection corresponding to a TID.
|
||||
*/
|
||||
static inline struct t3c_tid_entry *lookup_tid(const struct tid_info *t,
|
||||
unsigned int tid)
|
||||
{
|
||||
return tid < t->ntids ? &(t->tid_tab[tid]) : NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the connection corresponding to a server TID.
|
||||
*/
|
||||
static inline struct t3c_tid_entry *lookup_stid(const struct tid_info *t,
|
||||
unsigned int tid)
|
||||
{
|
||||
if (tid < t->stid_base || tid >= t->stid_base + t->nstids)
|
||||
return NULL;
|
||||
return &(stid2entry(t, tid)->t3c_tid);
|
||||
}
|
||||
|
||||
/*
|
||||
* Find the connection corresponding to an active-open TID.
|
||||
*/
|
||||
static inline struct t3c_tid_entry *lookup_atid(const struct tid_info *t,
|
||||
unsigned int tid)
|
||||
{
|
||||
if (tid < t->atid_base || tid >= t->atid_base + t->natids)
|
||||
return NULL;
|
||||
return &(atid2entry(t, tid)->t3c_tid);
|
||||
}
|
||||
|
||||
int process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n);
|
||||
int attach_t3cdev(struct t3cdev *dev);
|
||||
void detach_t3cdev(struct t3cdev *dev);
|
||||
#endif
|
||||
165
drivers/net/cxgb3/cxgb3_ioctl.h
Normal file
165
drivers/net/cxgb3/cxgb3_ioctl.h
Normal file
|
|
@ -0,0 +1,165 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver for Linux.
|
||||
*
|
||||
* Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#ifndef __CHIOCTL_H__
|
||||
#define __CHIOCTL_H__
|
||||
|
||||
/*
|
||||
* Ioctl commands specific to this driver.
|
||||
*/
|
||||
enum {
|
||||
CHELSIO_SETREG = 1024,
|
||||
CHELSIO_GETREG,
|
||||
CHELSIO_SETTPI,
|
||||
CHELSIO_GETTPI,
|
||||
CHELSIO_GETMTUTAB,
|
||||
CHELSIO_SETMTUTAB,
|
||||
CHELSIO_GETMTU,
|
||||
CHELSIO_SET_PM,
|
||||
CHELSIO_GET_PM,
|
||||
CHELSIO_GET_TCAM,
|
||||
CHELSIO_SET_TCAM,
|
||||
CHELSIO_GET_TCB,
|
||||
CHELSIO_GET_MEM,
|
||||
CHELSIO_LOAD_FW,
|
||||
CHELSIO_GET_PROTO,
|
||||
CHELSIO_SET_PROTO,
|
||||
CHELSIO_SET_TRACE_FILTER,
|
||||
CHELSIO_SET_QSET_PARAMS,
|
||||
CHELSIO_GET_QSET_PARAMS,
|
||||
CHELSIO_SET_QSET_NUM,
|
||||
CHELSIO_GET_QSET_NUM,
|
||||
CHELSIO_SET_PKTSCHED,
|
||||
};
|
||||
|
||||
struct ch_reg {
|
||||
uint32_t cmd;
|
||||
uint32_t addr;
|
||||
uint32_t val;
|
||||
};
|
||||
|
||||
struct ch_cntxt {
|
||||
uint32_t cmd;
|
||||
uint32_t cntxt_type;
|
||||
uint32_t cntxt_id;
|
||||
uint32_t data[4];
|
||||
};
|
||||
|
||||
/* context types */
|
||||
enum { CNTXT_TYPE_EGRESS, CNTXT_TYPE_FL, CNTXT_TYPE_RSP, CNTXT_TYPE_CQ };
|
||||
|
||||
struct ch_desc {
|
||||
uint32_t cmd;
|
||||
uint32_t queue_num;
|
||||
uint32_t idx;
|
||||
uint32_t size;
|
||||
uint8_t data[128];
|
||||
};
|
||||
|
||||
struct ch_mem_range {
|
||||
uint32_t cmd;
|
||||
uint32_t mem_id;
|
||||
uint32_t addr;
|
||||
uint32_t len;
|
||||
uint32_t version;
|
||||
uint8_t buf[0];
|
||||
};
|
||||
|
||||
struct ch_qset_params {
|
||||
uint32_t cmd;
|
||||
uint32_t qset_idx;
|
||||
int32_t txq_size[3];
|
||||
int32_t rspq_size;
|
||||
int32_t fl_size[2];
|
||||
int32_t intr_lat;
|
||||
int32_t polling;
|
||||
int32_t cong_thres;
|
||||
};
|
||||
|
||||
struct ch_pktsched_params {
|
||||
uint32_t cmd;
|
||||
uint8_t sched;
|
||||
uint8_t idx;
|
||||
uint8_t min;
|
||||
uint8_t max;
|
||||
uint8_t binding;
|
||||
};
|
||||
|
||||
#ifndef TCB_SIZE
|
||||
# define TCB_SIZE 128
|
||||
#endif
|
||||
|
||||
/* TCB size in 32-bit words */
|
||||
#define TCB_WORDS (TCB_SIZE / 4)
|
||||
|
||||
enum { MEM_CM, MEM_PMRX, MEM_PMTX }; /* ch_mem_range.mem_id values */
|
||||
|
||||
struct ch_mtus {
|
||||
uint32_t cmd;
|
||||
uint32_t nmtus;
|
||||
uint16_t mtus[NMTUS];
|
||||
};
|
||||
|
||||
struct ch_pm {
|
||||
uint32_t cmd;
|
||||
uint32_t tx_pg_sz;
|
||||
uint32_t tx_num_pg;
|
||||
uint32_t rx_pg_sz;
|
||||
uint32_t rx_num_pg;
|
||||
uint32_t pm_total;
|
||||
};
|
||||
|
||||
struct ch_tcam {
|
||||
uint32_t cmd;
|
||||
uint32_t tcam_size;
|
||||
uint32_t nservers;
|
||||
uint32_t nroutes;
|
||||
uint32_t nfilters;
|
||||
};
|
||||
|
||||
struct ch_tcb {
|
||||
uint32_t cmd;
|
||||
uint32_t tcb_index;
|
||||
uint32_t tcb_data[TCB_WORDS];
|
||||
};
|
||||
|
||||
struct ch_tcam_word {
|
||||
uint32_t cmd;
|
||||
uint32_t addr;
|
||||
uint32_t buf[3];
|
||||
};
|
||||
|
||||
struct ch_trace {
|
||||
uint32_t cmd;
|
||||
uint32_t sip;
|
||||
uint32_t sip_mask;
|
||||
uint32_t dip;
|
||||
uint32_t dip_mask;
|
||||
uint16_t sport;
|
||||
uint16_t sport_mask;
|
||||
uint16_t dport;
|
||||
uint16_t dport_mask;
|
||||
uint32_t vlan:12;
|
||||
uint32_t vlan_mask:12;
|
||||
uint32_t intf:4;
|
||||
uint32_t intf_mask:4;
|
||||
uint8_t proto;
|
||||
uint8_t proto_mask;
|
||||
uint8_t invert_match:1;
|
||||
uint8_t config_tx:1;
|
||||
uint8_t config_rx:1;
|
||||
uint8_t trace_tx:1;
|
||||
uint8_t trace_rx:1;
|
||||
};
|
||||
|
||||
#define SIOCCHIOCTL SIOCDEVPRIVATE
|
||||
|
||||
#endif
|
||||
2474
drivers/net/cxgb3/cxgb3_main.c
Normal file
2474
drivers/net/cxgb3/cxgb3_main.c
Normal file
File diff suppressed because it is too large
Load diff
1222
drivers/net/cxgb3/cxgb3_offload.c
Normal file
1222
drivers/net/cxgb3/cxgb3_offload.c
Normal file
File diff suppressed because it is too large
Load diff
193
drivers/net/cxgb3/cxgb3_offload.h
Normal file
193
drivers/net/cxgb3/cxgb3_offload.h
Normal file
|
|
@ -0,0 +1,193 @@
|
|||
/*
|
||||
* Copyright (c) 2006 Chelsio, Inc. All rights reserved.
|
||||
* Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
#ifndef _CXGB3_OFFLOAD_H
|
||||
#define _CXGB3_OFFLOAD_H
|
||||
|
||||
#include <linux/list.h>
|
||||
#include <linux/skbuff.h>
|
||||
|
||||
#include "l2t.h"
|
||||
|
||||
#include "t3cdev.h"
|
||||
#include "t3_cpl.h"
|
||||
|
||||
struct adapter;
|
||||
|
||||
void cxgb3_offload_init(void);
|
||||
|
||||
void cxgb3_adapter_ofld(struct adapter *adapter);
|
||||
void cxgb3_adapter_unofld(struct adapter *adapter);
|
||||
int cxgb3_offload_activate(struct adapter *adapter);
|
||||
void cxgb3_offload_deactivate(struct adapter *adapter);
|
||||
|
||||
void cxgb3_set_dummy_ops(struct t3cdev *dev);
|
||||
|
||||
/*
|
||||
* Client registration. Users of T3 driver must register themselves.
|
||||
* The T3 driver will call the add function of every client for each T3
|
||||
* adapter activated, passing up the t3cdev ptr. Each client fills out an
|
||||
* array of callback functions to process CPL messages.
|
||||
*/
|
||||
|
||||
void cxgb3_register_client(struct cxgb3_client *client);
|
||||
void cxgb3_unregister_client(struct cxgb3_client *client);
|
||||
void cxgb3_add_clients(struct t3cdev *tdev);
|
||||
void cxgb3_remove_clients(struct t3cdev *tdev);
|
||||
|
||||
typedef int (*cxgb3_cpl_handler_func)(struct t3cdev *dev,
|
||||
struct sk_buff *skb, void *ctx);
|
||||
|
||||
struct cxgb3_client {
|
||||
char *name;
|
||||
void (*add) (struct t3cdev *);
|
||||
void (*remove) (struct t3cdev *);
|
||||
cxgb3_cpl_handler_func *handlers;
|
||||
int (*redirect)(void *ctx, struct dst_entry *old,
|
||||
struct dst_entry *new, struct l2t_entry *l2t);
|
||||
struct list_head client_list;
|
||||
};
|
||||
|
||||
/*
|
||||
* TID allocation services.
|
||||
*/
|
||||
int cxgb3_alloc_atid(struct t3cdev *dev, struct cxgb3_client *client,
|
||||
void *ctx);
|
||||
int cxgb3_alloc_stid(struct t3cdev *dev, struct cxgb3_client *client,
|
||||
void *ctx);
|
||||
void *cxgb3_free_atid(struct t3cdev *dev, int atid);
|
||||
void cxgb3_free_stid(struct t3cdev *dev, int stid);
|
||||
void cxgb3_insert_tid(struct t3cdev *dev, struct cxgb3_client *client,
|
||||
void *ctx, unsigned int tid);
|
||||
void cxgb3_queue_tid_release(struct t3cdev *dev, unsigned int tid);
|
||||
void cxgb3_remove_tid(struct t3cdev *dev, void *ctx, unsigned int tid);
|
||||
|
||||
struct t3c_tid_entry {
|
||||
struct cxgb3_client *client;
|
||||
void *ctx;
|
||||
};
|
||||
|
||||
/* CPL message priority levels */
|
||||
enum {
|
||||
CPL_PRIORITY_DATA = 0, /* data messages */
|
||||
CPL_PRIORITY_SETUP = 1, /* connection setup messages */
|
||||
CPL_PRIORITY_TEARDOWN = 0, /* connection teardown messages */
|
||||
CPL_PRIORITY_LISTEN = 1, /* listen start/stop messages */
|
||||
CPL_PRIORITY_ACK = 1, /* RX ACK messages */
|
||||
CPL_PRIORITY_CONTROL = 1 /* offload control messages */
|
||||
};
|
||||
|
||||
/* Flags for return value of CPL message handlers */
|
||||
enum {
|
||||
CPL_RET_BUF_DONE = 1, /* buffer processing done, buffer may be freed */
|
||||
CPL_RET_BAD_MSG = 2, /* bad CPL message (e.g., unknown opcode) */
|
||||
CPL_RET_UNKNOWN_TID = 4 /* unexpected unknown TID */
|
||||
};
|
||||
|
||||
typedef int (*cpl_handler_func)(struct t3cdev *dev, struct sk_buff *skb);
|
||||
|
||||
/*
|
||||
* Returns a pointer to the first byte of the CPL header in an sk_buff that
|
||||
* contains a CPL message.
|
||||
*/
|
||||
static inline void *cplhdr(struct sk_buff *skb)
|
||||
{
|
||||
return skb->data;
|
||||
}
|
||||
|
||||
void t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h);
|
||||
|
||||
union listen_entry {
|
||||
struct t3c_tid_entry t3c_tid;
|
||||
union listen_entry *next;
|
||||
};
|
||||
|
||||
union active_open_entry {
|
||||
struct t3c_tid_entry t3c_tid;
|
||||
union active_open_entry *next;
|
||||
};
|
||||
|
||||
/*
|
||||
* Holds the size, base address, free list start, etc of the TID, server TID,
|
||||
* and active-open TID tables for a offload device.
|
||||
* The tables themselves are allocated dynamically.
|
||||
*/
|
||||
struct tid_info {
|
||||
struct t3c_tid_entry *tid_tab;
|
||||
unsigned int ntids;
|
||||
atomic_t tids_in_use;
|
||||
|
||||
union listen_entry *stid_tab;
|
||||
unsigned int nstids;
|
||||
unsigned int stid_base;
|
||||
|
||||
union active_open_entry *atid_tab;
|
||||
unsigned int natids;
|
||||
unsigned int atid_base;
|
||||
|
||||
/*
|
||||
* The following members are accessed R/W so we put them in their own
|
||||
* cache lines.
|
||||
*
|
||||
* XXX We could combine the atid fields above with the lock here since
|
||||
* atids are use once (unlike other tids). OTOH the above fields are
|
||||
* usually in cache due to tid_tab.
|
||||
*/
|
||||
spinlock_t atid_lock ____cacheline_aligned_in_smp;
|
||||
union active_open_entry *afree;
|
||||
unsigned int atids_in_use;
|
||||
|
||||
spinlock_t stid_lock ____cacheline_aligned;
|
||||
union listen_entry *sfree;
|
||||
unsigned int stids_in_use;
|
||||
};
|
||||
|
||||
struct t3c_data {
|
||||
struct list_head list_node;
|
||||
struct t3cdev *dev;
|
||||
unsigned int tx_max_chunk; /* max payload for TX_DATA */
|
||||
unsigned int max_wrs; /* max in-flight WRs per connection */
|
||||
unsigned int nmtus;
|
||||
const unsigned short *mtus;
|
||||
struct tid_info tid_maps;
|
||||
|
||||
struct t3c_tid_entry *tid_release_list;
|
||||
spinlock_t tid_release_lock;
|
||||
struct work_struct tid_release_task;
|
||||
};
|
||||
|
||||
/*
|
||||
* t3cdev -> t3c_data accessor
|
||||
*/
|
||||
#define T3C_DATA(dev) (*(struct t3c_data **)&(dev)->l4opt)
|
||||
|
||||
#endif
|
||||
144
drivers/net/cxgb3/firmware_exports.h
Normal file
144
drivers/net/cxgb3/firmware_exports.h
Normal file
|
|
@ -0,0 +1,144 @@
|
|||
/*
|
||||
* ----------------------------------------------------------------------------
|
||||
* >>>>>>>>>>>>>>>>>>>>>>>>>>>>> COPYRIGHT NOTICE <<<<<<<<<<<<<<<<<<<<<<<<<<<<<
|
||||
* ----------------------------------------------------------------------------
|
||||
* Copyright 2004 (C) Chelsio Communications, Inc. (Chelsio)
|
||||
*
|
||||
* Chelsio Communications, Inc. owns the sole copyright to this software.
|
||||
* You may not make a copy, you may not derive works herefrom, and you may
|
||||
* not distribute this work to others. Other restrictions of rights may apply
|
||||
* as well. This is unpublished, confidential information. All rights reserved.
|
||||
* This software contains confidential information and trade secrets of Chelsio
|
||||
* Communications, Inc. Use, disclosure, or reproduction is prohibited without
|
||||
* the prior express written permission of Chelsio Communications, Inc.
|
||||
* ----------------------------------------------------------------------------
|
||||
* >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Warranty <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
|
||||
* ----------------------------------------------------------------------------
|
||||
* CHELSIO MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THE USE OF THIS
|
||||
* SOFTWARE, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* This is the firmware_exports.h header file, firmware interface defines.
|
||||
*
|
||||
* Written January 2005 by felix marti (felix@chelsio.com)
|
||||
*/
|
||||
#ifndef _FIRMWARE_EXPORTS_H_
|
||||
#define _FIRMWARE_EXPORTS_H_
|
||||
|
||||
/* WR OPCODES supported by the firmware.
|
||||
*/
|
||||
#define FW_WROPCODE_FORWARD 0x01
|
||||
#define FW_WROPCODE_BYPASS 0x05
|
||||
|
||||
#define FW_WROPCODE_TUNNEL_TX_PKT 0x03
|
||||
|
||||
#define FW_WROPOCDE_ULPTX_DATA_SGL 0x00
|
||||
#define FW_WROPCODE_ULPTX_MEM_READ 0x02
|
||||
#define FW_WROPCODE_ULPTX_PKT 0x04
|
||||
#define FW_WROPCODE_ULPTX_INVALIDATE 0x06
|
||||
|
||||
#define FW_WROPCODE_TUNNEL_RX_PKT 0x07
|
||||
|
||||
#define FW_WROPCODE_OFLD_GETTCB_RPL 0x08
|
||||
#define FW_WROPCODE_OFLD_CLOSE_CON 0x09
|
||||
#define FW_WROPCODE_OFLD_TP_ABORT_CON_REQ 0x0A
|
||||
#define FW_WROPCODE_OFLD_HOST_ABORT_CON_RPL 0x0F
|
||||
#define FW_WROPCODE_OFLD_HOST_ABORT_CON_REQ 0x0B
|
||||
#define FW_WROPCODE_OFLD_TP_ABORT_CON_RPL 0x0C
|
||||
#define FW_WROPCODE_OFLD_TX_DATA 0x0D
|
||||
#define FW_WROPCODE_OFLD_TX_DATA_ACK 0x0E
|
||||
|
||||
#define FW_WROPCODE_RI_RDMA_INIT 0x10
|
||||
#define FW_WROPCODE_RI_RDMA_WRITE 0x11
|
||||
#define FW_WROPCODE_RI_RDMA_READ_REQ 0x12
|
||||
#define FW_WROPCODE_RI_RDMA_READ_RESP 0x13
|
||||
#define FW_WROPCODE_RI_SEND 0x14
|
||||
#define FW_WROPCODE_RI_TERMINATE 0x15
|
||||
#define FW_WROPCODE_RI_RDMA_READ 0x16
|
||||
#define FW_WROPCODE_RI_RECEIVE 0x17
|
||||
#define FW_WROPCODE_RI_BIND_MW 0x18
|
||||
#define FW_WROPCODE_RI_FASTREGISTER_MR 0x19
|
||||
#define FW_WROPCODE_RI_LOCAL_INV 0x1A
|
||||
#define FW_WROPCODE_RI_MODIFY_QP 0x1B
|
||||
#define FW_WROPCODE_RI_BYPASS 0x1C
|
||||
|
||||
#define FW_WROPOCDE_RSVD 0x1E
|
||||
|
||||
#define FW_WROPCODE_SGE_EGRESSCONTEXT_RR 0x1F
|
||||
|
||||
#define FW_WROPCODE_MNGT 0x1D
|
||||
#define FW_MNGTOPCODE_PKTSCHED_SET 0x00
|
||||
|
||||
/* Maximum size of a WR sent from the host, limited by the SGE.
|
||||
*
|
||||
* Note: WR coming from ULP or TP are only limited by CIM.
|
||||
*/
|
||||
#define FW_WR_SIZE 128
|
||||
|
||||
/* Maximum number of outstanding WRs sent from the host. Value must be
|
||||
* programmed in the CTRL/TUNNEL/QP SGE Egress Context and used by
|
||||
* offload modules to limit the number of WRs per connection.
|
||||
*/
|
||||
#define FW_T3_WR_NUM 16
|
||||
#define FW_N3_WR_NUM 7
|
||||
|
||||
#ifndef N3
|
||||
# define FW_WR_NUM FW_T3_WR_NUM
|
||||
#else
|
||||
# define FW_WR_NUM FW_N3_WR_NUM
|
||||
#endif
|
||||
|
||||
/* FW_TUNNEL_NUM corresponds to the number of supported TUNNEL Queues. These
|
||||
* queues must start at SGE Egress Context FW_TUNNEL_SGEEC_START and must
|
||||
* start at 'TID' (or 'uP Token') FW_TUNNEL_TID_START.
|
||||
*
|
||||
* Ingress Traffic (e.g. DMA completion credit) for TUNNEL Queue[i] is sent
|
||||
* to RESP Queue[i].
|
||||
*/
|
||||
#define FW_TUNNEL_NUM 8
|
||||
#define FW_TUNNEL_SGEEC_START 8
|
||||
#define FW_TUNNEL_TID_START 65544
|
||||
|
||||
/* FW_CTRL_NUM corresponds to the number of supported CTRL Queues. These queues
|
||||
* must start at SGE Egress Context FW_CTRL_SGEEC_START and must start at 'TID'
|
||||
* (or 'uP Token') FW_CTRL_TID_START.
|
||||
*
|
||||
* Ingress Traffic for CTRL Queue[i] is sent to RESP Queue[i].
|
||||
*/
|
||||
#define FW_CTRL_NUM 8
|
||||
#define FW_CTRL_SGEEC_START 65528
|
||||
#define FW_CTRL_TID_START 65536
|
||||
|
||||
/* FW_OFLD_NUM corresponds to the number of supported OFFLOAD Queues. These
|
||||
* queues must start at SGE Egress Context FW_OFLD_SGEEC_START.
|
||||
*
|
||||
* Note: the 'uP Token' in the SGE Egress Context fields is irrelevant for
|
||||
* OFFLOAD Queues, as the host is responsible for providing the correct TID in
|
||||
* every WR.
|
||||
*
|
||||
* Ingress Trafffic for OFFLOAD Queue[i] is sent to RESP Queue[i].
|
||||
*/
|
||||
#define FW_OFLD_NUM 8
|
||||
#define FW_OFLD_SGEEC_START 0
|
||||
|
||||
/*
|
||||
*
|
||||
*/
|
||||
#define FW_RI_NUM 1
|
||||
#define FW_RI_SGEEC_START 65527
|
||||
#define FW_RI_TID_START 65552
|
||||
|
||||
/*
|
||||
* The RX_PKT_TID
|
||||
*/
|
||||
#define FW_RX_PKT_NUM 1
|
||||
#define FW_RX_PKT_TID_START 65553
|
||||
|
||||
/* FW_WRC_NUM corresponds to the number of Work Request Context that supported
|
||||
* by the firmware.
|
||||
*/
|
||||
#define FW_WRC_NUM \
|
||||
(65536 + FW_TUNNEL_NUM + FW_CTRL_NUM + FW_RI_NUM + FW_RX_PKT_NUM)
|
||||
|
||||
#endif /* _FIRMWARE_EXPORTS_H_ */
|
||||
450
drivers/net/cxgb3/l2t.c
Normal file
450
drivers/net/cxgb3/l2t.c
Normal file
|
|
@ -0,0 +1,450 @@
|
|||
/*
|
||||
* Copyright (c) 2006 Chelsio, Inc. All rights reserved.
|
||||
* Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
#include <linux/skbuff.h>
|
||||
#include <linux/netdevice.h>
|
||||
#include <linux/if.h>
|
||||
#include <linux/if_vlan.h>
|
||||
#include <linux/jhash.h>
|
||||
#include <net/neighbour.h>
|
||||
#include "common.h"
|
||||
#include "t3cdev.h"
|
||||
#include "cxgb3_defs.h"
|
||||
#include "l2t.h"
|
||||
#include "t3_cpl.h"
|
||||
#include "firmware_exports.h"
|
||||
|
||||
#define VLAN_NONE 0xfff
|
||||
|
||||
/*
|
||||
* Module locking notes: There is a RW lock protecting the L2 table as a
|
||||
* whole plus a spinlock per L2T entry. Entry lookups and allocations happen
|
||||
* under the protection of the table lock, individual entry changes happen
|
||||
* while holding that entry's spinlock. The table lock nests outside the
|
||||
* entry locks. Allocations of new entries take the table lock as writers so
|
||||
* no other lookups can happen while allocating new entries. Entry updates
|
||||
* take the table lock as readers so multiple entries can be updated in
|
||||
* parallel. An L2T entry can be dropped by decrementing its reference count
|
||||
* and therefore can happen in parallel with entry allocation but no entry
|
||||
* can change state or increment its ref count during allocation as both of
|
||||
* these perform lookups.
|
||||
*/
|
||||
|
||||
static inline unsigned int vlan_prio(const struct l2t_entry *e)
|
||||
{
|
||||
return e->vlan >> 13;
|
||||
}
|
||||
|
||||
static inline unsigned int arp_hash(u32 key, int ifindex,
|
||||
const struct l2t_data *d)
|
||||
{
|
||||
return jhash_2words(key, ifindex, 0) & (d->nentries - 1);
|
||||
}
|
||||
|
||||
static inline void neigh_replace(struct l2t_entry *e, struct neighbour *n)
|
||||
{
|
||||
neigh_hold(n);
|
||||
if (e->neigh)
|
||||
neigh_release(e->neigh);
|
||||
e->neigh = n;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set up an L2T entry and send any packets waiting in the arp queue. The
|
||||
* supplied skb is used for the CPL_L2T_WRITE_REQ. Must be called with the
|
||||
* entry locked.
|
||||
*/
|
||||
static int setup_l2e_send_pending(struct t3cdev *dev, struct sk_buff *skb,
|
||||
struct l2t_entry *e)
|
||||
{
|
||||
struct cpl_l2t_write_req *req;
|
||||
|
||||
if (!skb) {
|
||||
skb = alloc_skb(sizeof(*req), GFP_ATOMIC);
|
||||
if (!skb)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
req = (struct cpl_l2t_write_req *)__skb_put(skb, sizeof(*req));
|
||||
req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
|
||||
OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_L2T_WRITE_REQ, e->idx));
|
||||
req->params = htonl(V_L2T_W_IDX(e->idx) | V_L2T_W_IFF(e->smt_idx) |
|
||||
V_L2T_W_VLAN(e->vlan & VLAN_VID_MASK) |
|
||||
V_L2T_W_PRIO(vlan_prio(e)));
|
||||
memcpy(e->dmac, e->neigh->ha, sizeof(e->dmac));
|
||||
memcpy(req->dst_mac, e->dmac, sizeof(req->dst_mac));
|
||||
skb->priority = CPL_PRIORITY_CONTROL;
|
||||
cxgb3_ofld_send(dev, skb);
|
||||
while (e->arpq_head) {
|
||||
skb = e->arpq_head;
|
||||
e->arpq_head = skb->next;
|
||||
skb->next = NULL;
|
||||
cxgb3_ofld_send(dev, skb);
|
||||
}
|
||||
e->arpq_tail = NULL;
|
||||
e->state = L2T_STATE_VALID;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Add a packet to the an L2T entry's queue of packets awaiting resolution.
|
||||
* Must be called with the entry's lock held.
|
||||
*/
|
||||
static inline void arpq_enqueue(struct l2t_entry *e, struct sk_buff *skb)
|
||||
{
|
||||
skb->next = NULL;
|
||||
if (e->arpq_head)
|
||||
e->arpq_tail->next = skb;
|
||||
else
|
||||
e->arpq_head = skb;
|
||||
e->arpq_tail = skb;
|
||||
}
|
||||
|
||||
int t3_l2t_send_slow(struct t3cdev *dev, struct sk_buff *skb,
|
||||
struct l2t_entry *e)
|
||||
{
|
||||
again:
|
||||
switch (e->state) {
|
||||
case L2T_STATE_STALE: /* entry is stale, kick off revalidation */
|
||||
neigh_event_send(e->neigh, NULL);
|
||||
spin_lock_bh(&e->lock);
|
||||
if (e->state == L2T_STATE_STALE)
|
||||
e->state = L2T_STATE_VALID;
|
||||
spin_unlock_bh(&e->lock);
|
||||
case L2T_STATE_VALID: /* fast-path, send the packet on */
|
||||
return cxgb3_ofld_send(dev, skb);
|
||||
case L2T_STATE_RESOLVING:
|
||||
spin_lock_bh(&e->lock);
|
||||
if (e->state != L2T_STATE_RESOLVING) {
|
||||
/* ARP already completed */
|
||||
spin_unlock_bh(&e->lock);
|
||||
goto again;
|
||||
}
|
||||
arpq_enqueue(e, skb);
|
||||
spin_unlock_bh(&e->lock);
|
||||
|
||||
/*
|
||||
* Only the first packet added to the arpq should kick off
|
||||
* resolution. However, because the alloc_skb below can fail,
|
||||
* we allow each packet added to the arpq to retry resolution
|
||||
* as a way of recovering from transient memory exhaustion.
|
||||
* A better way would be to use a work request to retry L2T
|
||||
* entries when there's no memory.
|
||||
*/
|
||||
if (!neigh_event_send(e->neigh, NULL)) {
|
||||
skb = alloc_skb(sizeof(struct cpl_l2t_write_req),
|
||||
GFP_ATOMIC);
|
||||
if (!skb)
|
||||
break;
|
||||
|
||||
spin_lock_bh(&e->lock);
|
||||
if (e->arpq_head)
|
||||
setup_l2e_send_pending(dev, skb, e);
|
||||
else /* we lost the race */
|
||||
__kfree_skb(skb);
|
||||
spin_unlock_bh(&e->lock);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(t3_l2t_send_slow);
|
||||
|
||||
void t3_l2t_send_event(struct t3cdev *dev, struct l2t_entry *e)
|
||||
{
|
||||
again:
|
||||
switch (e->state) {
|
||||
case L2T_STATE_STALE: /* entry is stale, kick off revalidation */
|
||||
neigh_event_send(e->neigh, NULL);
|
||||
spin_lock_bh(&e->lock);
|
||||
if (e->state == L2T_STATE_STALE) {
|
||||
e->state = L2T_STATE_VALID;
|
||||
}
|
||||
spin_unlock_bh(&e->lock);
|
||||
return;
|
||||
case L2T_STATE_VALID: /* fast-path, send the packet on */
|
||||
return;
|
||||
case L2T_STATE_RESOLVING:
|
||||
spin_lock_bh(&e->lock);
|
||||
if (e->state != L2T_STATE_RESOLVING) {
|
||||
/* ARP already completed */
|
||||
spin_unlock_bh(&e->lock);
|
||||
goto again;
|
||||
}
|
||||
spin_unlock_bh(&e->lock);
|
||||
|
||||
/*
|
||||
* Only the first packet added to the arpq should kick off
|
||||
* resolution. However, because the alloc_skb below can fail,
|
||||
* we allow each packet added to the arpq to retry resolution
|
||||
* as a way of recovering from transient memory exhaustion.
|
||||
* A better way would be to use a work request to retry L2T
|
||||
* entries when there's no memory.
|
||||
*/
|
||||
neigh_event_send(e->neigh, NULL);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(t3_l2t_send_event);
|
||||
|
||||
/*
|
||||
* Allocate a free L2T entry. Must be called with l2t_data.lock held.
|
||||
*/
|
||||
static struct l2t_entry *alloc_l2e(struct l2t_data *d)
|
||||
{
|
||||
struct l2t_entry *end, *e, **p;
|
||||
|
||||
if (!atomic_read(&d->nfree))
|
||||
return NULL;
|
||||
|
||||
/* there's definitely a free entry */
|
||||
for (e = d->rover, end = &d->l2tab[d->nentries]; e != end; ++e)
|
||||
if (atomic_read(&e->refcnt) == 0)
|
||||
goto found;
|
||||
|
||||
for (e = &d->l2tab[1]; atomic_read(&e->refcnt); ++e) ;
|
||||
found:
|
||||
d->rover = e + 1;
|
||||
atomic_dec(&d->nfree);
|
||||
|
||||
/*
|
||||
* The entry we found may be an inactive entry that is
|
||||
* presently in the hash table. We need to remove it.
|
||||
*/
|
||||
if (e->state != L2T_STATE_UNUSED) {
|
||||
int hash = arp_hash(e->addr, e->ifindex, d);
|
||||
|
||||
for (p = &d->l2tab[hash].first; *p; p = &(*p)->next)
|
||||
if (*p == e) {
|
||||
*p = e->next;
|
||||
break;
|
||||
}
|
||||
e->state = L2T_STATE_UNUSED;
|
||||
}
|
||||
return e;
|
||||
}
|
||||
|
||||
/*
|
||||
* Called when an L2T entry has no more users. The entry is left in the hash
|
||||
* table since it is likely to be reused but we also bump nfree to indicate
|
||||
* that the entry can be reallocated for a different neighbor. We also drop
|
||||
* the existing neighbor reference in case the neighbor is going away and is
|
||||
* waiting on our reference.
|
||||
*
|
||||
* Because entries can be reallocated to other neighbors once their ref count
|
||||
* drops to 0 we need to take the entry's lock to avoid races with a new
|
||||
* incarnation.
|
||||
*/
|
||||
void t3_l2e_free(struct l2t_data *d, struct l2t_entry *e)
|
||||
{
|
||||
spin_lock_bh(&e->lock);
|
||||
if (atomic_read(&e->refcnt) == 0) { /* hasn't been recycled */
|
||||
if (e->neigh) {
|
||||
neigh_release(e->neigh);
|
||||
e->neigh = NULL;
|
||||
}
|
||||
}
|
||||
spin_unlock_bh(&e->lock);
|
||||
atomic_inc(&d->nfree);
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(t3_l2e_free);
|
||||
|
||||
/*
|
||||
* Update an L2T entry that was previously used for the same next hop as neigh.
|
||||
* Must be called with softirqs disabled.
|
||||
*/
|
||||
static inline void reuse_entry(struct l2t_entry *e, struct neighbour *neigh)
|
||||
{
|
||||
unsigned int nud_state;
|
||||
|
||||
spin_lock(&e->lock); /* avoid race with t3_l2t_free */
|
||||
|
||||
if (neigh != e->neigh)
|
||||
neigh_replace(e, neigh);
|
||||
nud_state = neigh->nud_state;
|
||||
if (memcmp(e->dmac, neigh->ha, sizeof(e->dmac)) ||
|
||||
!(nud_state & NUD_VALID))
|
||||
e->state = L2T_STATE_RESOLVING;
|
||||
else if (nud_state & NUD_CONNECTED)
|
||||
e->state = L2T_STATE_VALID;
|
||||
else
|
||||
e->state = L2T_STATE_STALE;
|
||||
spin_unlock(&e->lock);
|
||||
}
|
||||
|
||||
struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
|
||||
struct net_device *dev)
|
||||
{
|
||||
struct l2t_entry *e;
|
||||
struct l2t_data *d = L2DATA(cdev);
|
||||
u32 addr = *(u32 *) neigh->primary_key;
|
||||
int ifidx = neigh->dev->ifindex;
|
||||
int hash = arp_hash(addr, ifidx, d);
|
||||
struct port_info *p = netdev_priv(dev);
|
||||
int smt_idx = p->port_id;
|
||||
|
||||
write_lock_bh(&d->lock);
|
||||
for (e = d->l2tab[hash].first; e; e = e->next)
|
||||
if (e->addr == addr && e->ifindex == ifidx &&
|
||||
e->smt_idx == smt_idx) {
|
||||
l2t_hold(d, e);
|
||||
if (atomic_read(&e->refcnt) == 1)
|
||||
reuse_entry(e, neigh);
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Need to allocate a new entry */
|
||||
e = alloc_l2e(d);
|
||||
if (e) {
|
||||
spin_lock(&e->lock); /* avoid race with t3_l2t_free */
|
||||
e->next = d->l2tab[hash].first;
|
||||
d->l2tab[hash].first = e;
|
||||
e->state = L2T_STATE_RESOLVING;
|
||||
e->addr = addr;
|
||||
e->ifindex = ifidx;
|
||||
e->smt_idx = smt_idx;
|
||||
atomic_set(&e->refcnt, 1);
|
||||
neigh_replace(e, neigh);
|
||||
if (neigh->dev->priv_flags & IFF_802_1Q_VLAN)
|
||||
e->vlan = VLAN_DEV_INFO(neigh->dev)->vlan_id;
|
||||
else
|
||||
e->vlan = VLAN_NONE;
|
||||
spin_unlock(&e->lock);
|
||||
}
|
||||
done:
|
||||
write_unlock_bh(&d->lock);
|
||||
return e;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL(t3_l2t_get);
|
||||
|
||||
/*
|
||||
* Called when address resolution fails for an L2T entry to handle packets
|
||||
* on the arpq head. If a packet specifies a failure handler it is invoked,
|
||||
* otherwise the packets is sent to the offload device.
|
||||
*
|
||||
* XXX: maybe we should abandon the latter behavior and just require a failure
|
||||
* handler.
|
||||
*/
|
||||
static void handle_failed_resolution(struct t3cdev *dev, struct sk_buff *arpq)
|
||||
{
|
||||
while (arpq) {
|
||||
struct sk_buff *skb = arpq;
|
||||
struct l2t_skb_cb *cb = L2T_SKB_CB(skb);
|
||||
|
||||
arpq = skb->next;
|
||||
skb->next = NULL;
|
||||
if (cb->arp_failure_handler)
|
||||
cb->arp_failure_handler(dev, skb);
|
||||
else
|
||||
cxgb3_ofld_send(dev, skb);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Called when the host's ARP layer makes a change to some entry that is
|
||||
* loaded into the HW L2 table.
|
||||
*/
|
||||
void t3_l2t_update(struct t3cdev *dev, struct neighbour *neigh)
|
||||
{
|
||||
struct l2t_entry *e;
|
||||
struct sk_buff *arpq = NULL;
|
||||
struct l2t_data *d = L2DATA(dev);
|
||||
u32 addr = *(u32 *) neigh->primary_key;
|
||||
int ifidx = neigh->dev->ifindex;
|
||||
int hash = arp_hash(addr, ifidx, d);
|
||||
|
||||
read_lock_bh(&d->lock);
|
||||
for (e = d->l2tab[hash].first; e; e = e->next)
|
||||
if (e->addr == addr && e->ifindex == ifidx) {
|
||||
spin_lock(&e->lock);
|
||||
goto found;
|
||||
}
|
||||
read_unlock_bh(&d->lock);
|
||||
return;
|
||||
|
||||
found:
|
||||
read_unlock(&d->lock);
|
||||
if (atomic_read(&e->refcnt)) {
|
||||
if (neigh != e->neigh)
|
||||
neigh_replace(e, neigh);
|
||||
|
||||
if (e->state == L2T_STATE_RESOLVING) {
|
||||
if (neigh->nud_state & NUD_FAILED) {
|
||||
arpq = e->arpq_head;
|
||||
e->arpq_head = e->arpq_tail = NULL;
|
||||
} else if (neigh_is_connected(neigh))
|
||||
setup_l2e_send_pending(dev, NULL, e);
|
||||
} else {
|
||||
e->state = neigh_is_connected(neigh) ?
|
||||
L2T_STATE_VALID : L2T_STATE_STALE;
|
||||
if (memcmp(e->dmac, neigh->ha, 6))
|
||||
setup_l2e_send_pending(dev, NULL, e);
|
||||
}
|
||||
}
|
||||
spin_unlock_bh(&e->lock);
|
||||
|
||||
if (arpq)
|
||||
handle_failed_resolution(dev, arpq);
|
||||
}
|
||||
|
||||
struct l2t_data *t3_init_l2t(unsigned int l2t_capacity)
|
||||
{
|
||||
struct l2t_data *d;
|
||||
int i, size = sizeof(*d) + l2t_capacity * sizeof(struct l2t_entry);
|
||||
|
||||
d = cxgb_alloc_mem(size);
|
||||
if (!d)
|
||||
return NULL;
|
||||
|
||||
d->nentries = l2t_capacity;
|
||||
d->rover = &d->l2tab[1]; /* entry 0 is not used */
|
||||
atomic_set(&d->nfree, l2t_capacity - 1);
|
||||
rwlock_init(&d->lock);
|
||||
|
||||
for (i = 0; i < l2t_capacity; ++i) {
|
||||
d->l2tab[i].idx = i;
|
||||
d->l2tab[i].state = L2T_STATE_UNUSED;
|
||||
spin_lock_init(&d->l2tab[i].lock);
|
||||
atomic_set(&d->l2tab[i].refcnt, 0);
|
||||
}
|
||||
return d;
|
||||
}
|
||||
|
||||
void t3_free_l2t(struct l2t_data *d)
|
||||
{
|
||||
cxgb_free_mem(d);
|
||||
}
|
||||
|
||||
143
drivers/net/cxgb3/l2t.h
Normal file
143
drivers/net/cxgb3/l2t.h
Normal file
|
|
@ -0,0 +1,143 @@
|
|||
/*
|
||||
* Copyright (c) 2006 Chelsio, Inc. All rights reserved.
|
||||
* Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
#ifndef _CHELSIO_L2T_H
|
||||
#define _CHELSIO_L2T_H
|
||||
|
||||
#include <linux/spinlock.h>
|
||||
#include "t3cdev.h"
|
||||
#include <asm/atomic.h>
|
||||
|
||||
enum {
|
||||
L2T_STATE_VALID, /* entry is up to date */
|
||||
L2T_STATE_STALE, /* entry may be used but needs revalidation */
|
||||
L2T_STATE_RESOLVING, /* entry needs address resolution */
|
||||
L2T_STATE_UNUSED /* entry not in use */
|
||||
};
|
||||
|
||||
struct neighbour;
|
||||
struct sk_buff;
|
||||
|
||||
/*
|
||||
* Each L2T entry plays multiple roles. First of all, it keeps state for the
|
||||
* corresponding entry of the HW L2 table and maintains a queue of offload
|
||||
* packets awaiting address resolution. Second, it is a node of a hash table
|
||||
* chain, where the nodes of the chain are linked together through their next
|
||||
* pointer. Finally, each node is a bucket of a hash table, pointing to the
|
||||
* first element in its chain through its first pointer.
|
||||
*/
|
||||
struct l2t_entry {
|
||||
u16 state; /* entry state */
|
||||
u16 idx; /* entry index */
|
||||
u32 addr; /* dest IP address */
|
||||
int ifindex; /* neighbor's net_device's ifindex */
|
||||
u16 smt_idx; /* SMT index */
|
||||
u16 vlan; /* VLAN TCI (id: bits 0-11, prio: 13-15 */
|
||||
struct neighbour *neigh; /* associated neighbour */
|
||||
struct l2t_entry *first; /* start of hash chain */
|
||||
struct l2t_entry *next; /* next l2t_entry on chain */
|
||||
struct sk_buff *arpq_head; /* queue of packets awaiting resolution */
|
||||
struct sk_buff *arpq_tail;
|
||||
spinlock_t lock;
|
||||
atomic_t refcnt; /* entry reference count */
|
||||
u8 dmac[6]; /* neighbour's MAC address */
|
||||
};
|
||||
|
||||
struct l2t_data {
|
||||
unsigned int nentries; /* number of entries */
|
||||
struct l2t_entry *rover; /* starting point for next allocation */
|
||||
atomic_t nfree; /* number of free entries */
|
||||
rwlock_t lock;
|
||||
struct l2t_entry l2tab[0];
|
||||
};
|
||||
|
||||
typedef void (*arp_failure_handler_func)(struct t3cdev * dev,
|
||||
struct sk_buff * skb);
|
||||
|
||||
/*
|
||||
* Callback stored in an skb to handle address resolution failure.
|
||||
*/
|
||||
struct l2t_skb_cb {
|
||||
arp_failure_handler_func arp_failure_handler;
|
||||
};
|
||||
|
||||
#define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb)
|
||||
|
||||
static inline void set_arp_failure_handler(struct sk_buff *skb,
|
||||
arp_failure_handler_func hnd)
|
||||
{
|
||||
L2T_SKB_CB(skb)->arp_failure_handler = hnd;
|
||||
}
|
||||
|
||||
/*
|
||||
* Getting to the L2 data from an offload device.
|
||||
*/
|
||||
#define L2DATA(dev) ((dev)->l2opt)
|
||||
|
||||
#define W_TCB_L2T_IX 0
|
||||
#define S_TCB_L2T_IX 7
|
||||
#define M_TCB_L2T_IX 0x7ffULL
|
||||
#define V_TCB_L2T_IX(x) ((x) << S_TCB_L2T_IX)
|
||||
|
||||
void t3_l2e_free(struct l2t_data *d, struct l2t_entry *e);
|
||||
void t3_l2t_update(struct t3cdev *dev, struct neighbour *neigh);
|
||||
struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct neighbour *neigh,
|
||||
struct net_device *dev);
|
||||
int t3_l2t_send_slow(struct t3cdev *dev, struct sk_buff *skb,
|
||||
struct l2t_entry *e);
|
||||
void t3_l2t_send_event(struct t3cdev *dev, struct l2t_entry *e);
|
||||
struct l2t_data *t3_init_l2t(unsigned int l2t_capacity);
|
||||
void t3_free_l2t(struct l2t_data *d);
|
||||
|
||||
int cxgb3_ofld_send(struct t3cdev *dev, struct sk_buff *skb);
|
||||
|
||||
static inline int l2t_send(struct t3cdev *dev, struct sk_buff *skb,
|
||||
struct l2t_entry *e)
|
||||
{
|
||||
if (likely(e->state == L2T_STATE_VALID))
|
||||
return cxgb3_ofld_send(dev, skb);
|
||||
return t3_l2t_send_slow(dev, skb, e);
|
||||
}
|
||||
|
||||
static inline void l2t_release(struct l2t_data *d, struct l2t_entry *e)
|
||||
{
|
||||
if (atomic_dec_and_test(&e->refcnt))
|
||||
t3_l2e_free(d, e);
|
||||
}
|
||||
|
||||
static inline void l2t_hold(struct l2t_data *d, struct l2t_entry *e)
|
||||
{
|
||||
if (atomic_add_return(1, &e->refcnt) == 1) /* 0 -> 1 transition */
|
||||
atomic_dec(&d->nfree);
|
||||
}
|
||||
|
||||
#endif
|
||||
453
drivers/net/cxgb3/mc5.c
Normal file
453
drivers/net/cxgb3/mc5.c
Normal file
|
|
@ -0,0 +1,453 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver.
|
||||
*
|
||||
* Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "regs.h"
|
||||
|
||||
enum {
|
||||
IDT75P52100 = 4,
|
||||
IDT75N43102 = 5
|
||||
};
|
||||
|
||||
/* DBGI command mode */
|
||||
enum {
|
||||
DBGI_MODE_MBUS = 0,
|
||||
DBGI_MODE_IDT52100 = 5
|
||||
};
|
||||
|
||||
/* IDT 75P52100 commands */
|
||||
#define IDT_CMD_READ 0
|
||||
#define IDT_CMD_WRITE 1
|
||||
#define IDT_CMD_SEARCH 2
|
||||
#define IDT_CMD_LEARN 3
|
||||
|
||||
/* IDT LAR register address and value for 144-bit mode (low 32 bits) */
|
||||
#define IDT_LAR_ADR0 0x180006
|
||||
#define IDT_LAR_MODE144 0xffff0000
|
||||
|
||||
/* IDT SCR and SSR addresses (low 32 bits) */
|
||||
#define IDT_SCR_ADR0 0x180000
|
||||
#define IDT_SSR0_ADR0 0x180002
|
||||
#define IDT_SSR1_ADR0 0x180004
|
||||
|
||||
/* IDT GMR base address (low 32 bits) */
|
||||
#define IDT_GMR_BASE_ADR0 0x180020
|
||||
|
||||
/* IDT data and mask array base addresses (low 32 bits) */
|
||||
#define IDT_DATARY_BASE_ADR0 0
|
||||
#define IDT_MSKARY_BASE_ADR0 0x80000
|
||||
|
||||
/* IDT 75N43102 commands */
|
||||
#define IDT4_CMD_SEARCH144 3
|
||||
#define IDT4_CMD_WRITE 4
|
||||
#define IDT4_CMD_READ 5
|
||||
|
||||
/* IDT 75N43102 SCR address (low 32 bits) */
|
||||
#define IDT4_SCR_ADR0 0x3
|
||||
|
||||
/* IDT 75N43102 GMR base addresses (low 32 bits) */
|
||||
#define IDT4_GMR_BASE0 0x10
|
||||
#define IDT4_GMR_BASE1 0x20
|
||||
#define IDT4_GMR_BASE2 0x30
|
||||
|
||||
/* IDT 75N43102 data and mask array base addresses (low 32 bits) */
|
||||
#define IDT4_DATARY_BASE_ADR0 0x1000000
|
||||
#define IDT4_MSKARY_BASE_ADR0 0x2000000
|
||||
|
||||
#define MAX_WRITE_ATTEMPTS 5
|
||||
|
||||
#define MAX_ROUTES 2048
|
||||
|
||||
/*
|
||||
* Issue a command to the TCAM and wait for its completion. The address and
|
||||
* any data required by the command must have been setup by the caller.
|
||||
*/
|
||||
static int mc5_cmd_write(struct adapter *adapter, u32 cmd)
|
||||
{
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_CMD, cmd);
|
||||
return t3_wait_op_done(adapter, A_MC5_DB_DBGI_RSP_STATUS,
|
||||
F_DBGIRSPVALID, 1, MAX_WRITE_ATTEMPTS, 1);
|
||||
}
|
||||
|
||||
static inline void dbgi_wr_addr3(struct adapter *adapter, u32 v1, u32 v2,
|
||||
u32 v3)
|
||||
{
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_ADDR0, v1);
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_ADDR1, v2);
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_ADDR2, v3);
|
||||
}
|
||||
|
||||
static inline void dbgi_wr_data3(struct adapter *adapter, u32 v1, u32 v2,
|
||||
u32 v3)
|
||||
{
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_DATA0, v1);
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_DATA1, v2);
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_DATA2, v3);
|
||||
}
|
||||
|
||||
static inline void dbgi_rd_rsp3(struct adapter *adapter, u32 *v1, u32 *v2,
|
||||
u32 *v3)
|
||||
{
|
||||
*v1 = t3_read_reg(adapter, A_MC5_DB_DBGI_RSP_DATA0);
|
||||
*v2 = t3_read_reg(adapter, A_MC5_DB_DBGI_RSP_DATA1);
|
||||
*v3 = t3_read_reg(adapter, A_MC5_DB_DBGI_RSP_DATA2);
|
||||
}
|
||||
|
||||
/*
|
||||
* Write data to the TCAM register at address (0, 0, addr_lo) using the TCAM
|
||||
* command cmd. The data to be written must have been set up by the caller.
|
||||
* Returns -1 on failure, 0 on success.
|
||||
*/
|
||||
static int mc5_write(struct adapter *adapter, u32 addr_lo, u32 cmd)
|
||||
{
|
||||
t3_write_reg(adapter, A_MC5_DB_DBGI_REQ_ADDR0, addr_lo);
|
||||
if (mc5_cmd_write(adapter, cmd) == 0)
|
||||
return 0;
|
||||
CH_ERR(adapter, "MC5 timeout writing to TCAM address 0x%x\n",
|
||||
addr_lo);
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int init_mask_data_array(struct mc5 *mc5, u32 mask_array_base,
|
||||
u32 data_array_base, u32 write_cmd,
|
||||
int addr_shift)
|
||||
{
|
||||
unsigned int i;
|
||||
struct adapter *adap = mc5->adapter;
|
||||
|
||||
/*
|
||||
* We need the size of the TCAM data and mask arrays in terms of
|
||||
* 72-bit entries.
|
||||
*/
|
||||
unsigned int size72 = mc5->tcam_size;
|
||||
unsigned int server_base = t3_read_reg(adap, A_MC5_DB_SERVER_INDEX);
|
||||
|
||||
if (mc5->mode == MC5_MODE_144_BIT) {
|
||||
size72 *= 2; /* 1 144-bit entry is 2 72-bit entries */
|
||||
server_base *= 2;
|
||||
}
|
||||
|
||||
/* Clear the data array */
|
||||
dbgi_wr_data3(adap, 0, 0, 0);
|
||||
for (i = 0; i < size72; i++)
|
||||
if (mc5_write(adap, data_array_base + (i << addr_shift),
|
||||
write_cmd))
|
||||
return -1;
|
||||
|
||||
/* Initialize the mask array. */
|
||||
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
|
||||
for (i = 0; i < size72; i++) {
|
||||
if (i == server_base) /* entering server or routing region */
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_DATA0,
|
||||
mc5->mode == MC5_MODE_144_BIT ?
|
||||
0xfffffff9 : 0xfffffffd);
|
||||
if (mc5_write(adap, mask_array_base + (i << addr_shift),
|
||||
write_cmd))
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int init_idt52100(struct mc5 *mc5)
|
||||
{
|
||||
int i;
|
||||
struct adapter *adap = mc5->adapter;
|
||||
|
||||
t3_write_reg(adap, A_MC5_DB_RSP_LATENCY,
|
||||
V_RDLAT(0x15) | V_LRNLAT(0x15) | V_SRCHLAT(0x15));
|
||||
t3_write_reg(adap, A_MC5_DB_PART_ID_INDEX, 2);
|
||||
|
||||
/*
|
||||
* Use GMRs 14-15 for ELOOKUP, GMRs 12-13 for SYN lookups, and
|
||||
* GMRs 8-9 for ACK- and AOPEN searches.
|
||||
*/
|
||||
t3_write_reg(adap, A_MC5_DB_POPEN_DATA_WR_CMD, IDT_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_POPEN_MASK_WR_CMD, IDT_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_AOPEN_SRCH_CMD, IDT_CMD_SEARCH);
|
||||
t3_write_reg(adap, A_MC5_DB_AOPEN_LRN_CMD, IDT_CMD_LEARN);
|
||||
t3_write_reg(adap, A_MC5_DB_SYN_SRCH_CMD, IDT_CMD_SEARCH | 0x6000);
|
||||
t3_write_reg(adap, A_MC5_DB_SYN_LRN_CMD, IDT_CMD_LEARN);
|
||||
t3_write_reg(adap, A_MC5_DB_ACK_SRCH_CMD, IDT_CMD_SEARCH);
|
||||
t3_write_reg(adap, A_MC5_DB_ACK_LRN_CMD, IDT_CMD_LEARN);
|
||||
t3_write_reg(adap, A_MC5_DB_ILOOKUP_CMD, IDT_CMD_SEARCH);
|
||||
t3_write_reg(adap, A_MC5_DB_ELOOKUP_CMD, IDT_CMD_SEARCH | 0x7000);
|
||||
t3_write_reg(adap, A_MC5_DB_DATA_WRITE_CMD, IDT_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_DATA_READ_CMD, IDT_CMD_READ);
|
||||
|
||||
/* Set DBGI command mode for IDT TCAM. */
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_CONFIG, DBGI_MODE_IDT52100);
|
||||
|
||||
/* Set up LAR */
|
||||
dbgi_wr_data3(adap, IDT_LAR_MODE144, 0, 0);
|
||||
if (mc5_write(adap, IDT_LAR_ADR0, IDT_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
/* Set up SSRs */
|
||||
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0);
|
||||
if (mc5_write(adap, IDT_SSR0_ADR0, IDT_CMD_WRITE) ||
|
||||
mc5_write(adap, IDT_SSR1_ADR0, IDT_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
/* Set up GMRs */
|
||||
for (i = 0; i < 32; ++i) {
|
||||
if (i >= 12 && i < 15)
|
||||
dbgi_wr_data3(adap, 0xfffffff9, 0xffffffff, 0xff);
|
||||
else if (i == 15)
|
||||
dbgi_wr_data3(adap, 0xfffffff9, 0xffff8007, 0xff);
|
||||
else
|
||||
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
|
||||
|
||||
if (mc5_write(adap, IDT_GMR_BASE_ADR0 + i, IDT_CMD_WRITE))
|
||||
goto err;
|
||||
}
|
||||
|
||||
/* Set up SCR */
|
||||
dbgi_wr_data3(adap, 1, 0, 0);
|
||||
if (mc5_write(adap, IDT_SCR_ADR0, IDT_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
return init_mask_data_array(mc5, IDT_MSKARY_BASE_ADR0,
|
||||
IDT_DATARY_BASE_ADR0, IDT_CMD_WRITE, 0);
|
||||
err:
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
static int init_idt43102(struct mc5 *mc5)
|
||||
{
|
||||
int i;
|
||||
struct adapter *adap = mc5->adapter;
|
||||
|
||||
t3_write_reg(adap, A_MC5_DB_RSP_LATENCY,
|
||||
adap->params.rev == 0 ? V_RDLAT(0xd) | V_SRCHLAT(0x11) :
|
||||
V_RDLAT(0xd) | V_SRCHLAT(0x12));
|
||||
|
||||
/*
|
||||
* Use GMRs 24-25 for ELOOKUP, GMRs 20-21 for SYN lookups, and no mask
|
||||
* for ACK- and AOPEN searches.
|
||||
*/
|
||||
t3_write_reg(adap, A_MC5_DB_POPEN_DATA_WR_CMD, IDT4_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_POPEN_MASK_WR_CMD, IDT4_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_AOPEN_SRCH_CMD,
|
||||
IDT4_CMD_SEARCH144 | 0x3800);
|
||||
t3_write_reg(adap, A_MC5_DB_SYN_SRCH_CMD, IDT4_CMD_SEARCH144);
|
||||
t3_write_reg(adap, A_MC5_DB_ACK_SRCH_CMD, IDT4_CMD_SEARCH144 | 0x3800);
|
||||
t3_write_reg(adap, A_MC5_DB_ILOOKUP_CMD, IDT4_CMD_SEARCH144 | 0x3800);
|
||||
t3_write_reg(adap, A_MC5_DB_ELOOKUP_CMD, IDT4_CMD_SEARCH144 | 0x800);
|
||||
t3_write_reg(adap, A_MC5_DB_DATA_WRITE_CMD, IDT4_CMD_WRITE);
|
||||
t3_write_reg(adap, A_MC5_DB_DATA_READ_CMD, IDT4_CMD_READ);
|
||||
|
||||
t3_write_reg(adap, A_MC5_DB_PART_ID_INDEX, 3);
|
||||
|
||||
/* Set DBGI command mode for IDT TCAM. */
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_CONFIG, DBGI_MODE_IDT52100);
|
||||
|
||||
/* Set up GMRs */
|
||||
dbgi_wr_data3(adap, 0xffffffff, 0xffffffff, 0xff);
|
||||
for (i = 0; i < 7; ++i)
|
||||
if (mc5_write(adap, IDT4_GMR_BASE0 + i, IDT4_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
for (i = 0; i < 4; ++i)
|
||||
if (mc5_write(adap, IDT4_GMR_BASE2 + i, IDT4_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
dbgi_wr_data3(adap, 0xfffffff9, 0xffffffff, 0xff);
|
||||
if (mc5_write(adap, IDT4_GMR_BASE1, IDT4_CMD_WRITE) ||
|
||||
mc5_write(adap, IDT4_GMR_BASE1 + 1, IDT4_CMD_WRITE) ||
|
||||
mc5_write(adap, IDT4_GMR_BASE1 + 4, IDT4_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
dbgi_wr_data3(adap, 0xfffffff9, 0xffff8007, 0xff);
|
||||
if (mc5_write(adap, IDT4_GMR_BASE1 + 5, IDT4_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
/* Set up SCR */
|
||||
dbgi_wr_data3(adap, 0xf0000000, 0, 0);
|
||||
if (mc5_write(adap, IDT4_SCR_ADR0, IDT4_CMD_WRITE))
|
||||
goto err;
|
||||
|
||||
return init_mask_data_array(mc5, IDT4_MSKARY_BASE_ADR0,
|
||||
IDT4_DATARY_BASE_ADR0, IDT4_CMD_WRITE, 1);
|
||||
err:
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
/* Put MC5 in DBGI mode. */
|
||||
static inline void mc5_dbgi_mode_enable(const struct mc5 *mc5)
|
||||
{
|
||||
t3_write_reg(mc5->adapter, A_MC5_DB_CONFIG,
|
||||
V_TMMODE(mc5->mode == MC5_MODE_72_BIT) | F_DBGIEN);
|
||||
}
|
||||
|
||||
/* Put MC5 in M-Bus mode. */
|
||||
static void mc5_dbgi_mode_disable(const struct mc5 *mc5)
|
||||
{
|
||||
t3_write_reg(mc5->adapter, A_MC5_DB_CONFIG,
|
||||
V_TMMODE(mc5->mode == MC5_MODE_72_BIT) |
|
||||
V_COMPEN(mc5->mode == MC5_MODE_72_BIT) |
|
||||
V_PRTYEN(mc5->parity_enabled) | F_MBUSEN);
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialization that requires the OS and protocol layers to already
|
||||
* be intialized goes here.
|
||||
*/
|
||||
int t3_mc5_init(struct mc5 *mc5, unsigned int nservers, unsigned int nfilters,
|
||||
unsigned int nroutes)
|
||||
{
|
||||
u32 cfg;
|
||||
int err;
|
||||
unsigned int tcam_size = mc5->tcam_size;
|
||||
struct adapter *adap = mc5->adapter;
|
||||
|
||||
if (nroutes > MAX_ROUTES || nroutes + nservers + nfilters > tcam_size)
|
||||
return -EINVAL;
|
||||
|
||||
/* Reset the TCAM */
|
||||
cfg = t3_read_reg(adap, A_MC5_DB_CONFIG) & ~F_TMMODE;
|
||||
cfg |= V_TMMODE(mc5->mode == MC5_MODE_72_BIT) | F_TMRST;
|
||||
t3_write_reg(adap, A_MC5_DB_CONFIG, cfg);
|
||||
if (t3_wait_op_done(adap, A_MC5_DB_CONFIG, F_TMRDY, 1, 500, 0)) {
|
||||
CH_ERR(adap, "TCAM reset timed out\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
t3_write_reg(adap, A_MC5_DB_ROUTING_TABLE_INDEX, tcam_size - nroutes);
|
||||
t3_write_reg(adap, A_MC5_DB_FILTER_TABLE,
|
||||
tcam_size - nroutes - nfilters);
|
||||
t3_write_reg(adap, A_MC5_DB_SERVER_INDEX,
|
||||
tcam_size - nroutes - nfilters - nservers);
|
||||
|
||||
mc5->parity_enabled = 1;
|
||||
|
||||
/* All the TCAM addresses we access have only the low 32 bits non 0 */
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_ADDR1, 0);
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_ADDR2, 0);
|
||||
|
||||
mc5_dbgi_mode_enable(mc5);
|
||||
|
||||
switch (mc5->part_type) {
|
||||
case IDT75P52100:
|
||||
err = init_idt52100(mc5);
|
||||
break;
|
||||
case IDT75N43102:
|
||||
err = init_idt43102(mc5);
|
||||
break;
|
||||
default:
|
||||
CH_ERR(adap, "Unsupported TCAM type %d\n", mc5->part_type);
|
||||
err = -EINVAL;
|
||||
break;
|
||||
}
|
||||
|
||||
mc5_dbgi_mode_disable(mc5);
|
||||
return err;
|
||||
}
|
||||
|
||||
/*
|
||||
* read_mc5_range - dump a part of the memory managed by MC5
|
||||
* @mc5: the MC5 handle
|
||||
* @start: the start address for the dump
|
||||
* @n: number of 72-bit words to read
|
||||
* @buf: result buffer
|
||||
*
|
||||
* Read n 72-bit words from MC5 memory from the given start location.
|
||||
*/
|
||||
int t3_read_mc5_range(const struct mc5 *mc5, unsigned int start,
|
||||
unsigned int n, u32 *buf)
|
||||
{
|
||||
u32 read_cmd;
|
||||
int err = 0;
|
||||
struct adapter *adap = mc5->adapter;
|
||||
|
||||
if (mc5->part_type == IDT75P52100)
|
||||
read_cmd = IDT_CMD_READ;
|
||||
else if (mc5->part_type == IDT75N43102)
|
||||
read_cmd = IDT4_CMD_READ;
|
||||
else
|
||||
return -EINVAL;
|
||||
|
||||
mc5_dbgi_mode_enable(mc5);
|
||||
|
||||
while (n--) {
|
||||
t3_write_reg(adap, A_MC5_DB_DBGI_REQ_ADDR0, start++);
|
||||
if (mc5_cmd_write(adap, read_cmd)) {
|
||||
err = -EIO;
|
||||
break;
|
||||
}
|
||||
dbgi_rd_rsp3(adap, buf + 2, buf + 1, buf);
|
||||
buf += 3;
|
||||
}
|
||||
|
||||
mc5_dbgi_mode_disable(mc5);
|
||||
return 0;
|
||||
}
|
||||
|
||||
#define MC5_INT_FATAL (F_PARITYERR | F_REQQPARERR | F_DISPQPARERR)
|
||||
|
||||
/*
|
||||
* MC5 interrupt handler
|
||||
*/
|
||||
void t3_mc5_intr_handler(struct mc5 *mc5)
|
||||
{
|
||||
struct adapter *adap = mc5->adapter;
|
||||
u32 cause = t3_read_reg(adap, A_MC5_DB_INT_CAUSE);
|
||||
|
||||
if ((cause & F_PARITYERR) && mc5->parity_enabled) {
|
||||
CH_ALERT(adap, "MC5 parity error\n");
|
||||
mc5->stats.parity_err++;
|
||||
}
|
||||
|
||||
if (cause & F_REQQPARERR) {
|
||||
CH_ALERT(adap, "MC5 request queue parity error\n");
|
||||
mc5->stats.reqq_parity_err++;
|
||||
}
|
||||
|
||||
if (cause & F_DISPQPARERR) {
|
||||
CH_ALERT(adap, "MC5 dispatch queue parity error\n");
|
||||
mc5->stats.dispq_parity_err++;
|
||||
}
|
||||
|
||||
if (cause & F_ACTRGNFULL)
|
||||
mc5->stats.active_rgn_full++;
|
||||
if (cause & F_NFASRCHFAIL)
|
||||
mc5->stats.nfa_srch_err++;
|
||||
if (cause & F_UNKNOWNCMD)
|
||||
mc5->stats.unknown_cmd++;
|
||||
if (cause & F_DELACTEMPTY)
|
||||
mc5->stats.del_act_empty++;
|
||||
if (cause & MC5_INT_FATAL)
|
||||
t3_fatal_err(adap);
|
||||
|
||||
t3_write_reg(adap, A_MC5_DB_INT_CAUSE, cause);
|
||||
}
|
||||
|
||||
void __devinit t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode)
|
||||
{
|
||||
#define K * 1024
|
||||
|
||||
static unsigned int tcam_part_size[] = { /* in K 72-bit entries */
|
||||
64 K, 128 K, 256 K, 32 K
|
||||
};
|
||||
|
||||
#undef K
|
||||
|
||||
u32 cfg = t3_read_reg(adapter, A_MC5_DB_CONFIG);
|
||||
|
||||
mc5->adapter = adapter;
|
||||
mc5->mode = (unsigned char)mode;
|
||||
mc5->part_type = (unsigned char)G_TMTYPE(cfg);
|
||||
if (cfg & F_TMTYPEHI)
|
||||
mc5->part_type |= 4;
|
||||
|
||||
mc5->tcam_size = tcam_part_size[G_TMPARTSIZE(cfg)];
|
||||
if (mode == MC5_MODE_144_BIT)
|
||||
mc5->tcam_size /= 2;
|
||||
}
|
||||
2195
drivers/net/cxgb3/regs.h
Normal file
2195
drivers/net/cxgb3/regs.h
Normal file
File diff suppressed because it is too large
Load diff
2702
drivers/net/cxgb3/sge.c
Normal file
2702
drivers/net/cxgb3/sge.c
Normal file
File diff suppressed because it is too large
Load diff
251
drivers/net/cxgb3/sge_defs.h
Normal file
251
drivers/net/cxgb3/sge_defs.h
Normal file
|
|
@ -0,0 +1,251 @@
|
|||
/*
|
||||
* This file is automatically generated --- any changes will be lost.
|
||||
*/
|
||||
|
||||
#ifndef _SGE_DEFS_H
|
||||
#define _SGE_DEFS_H
|
||||
|
||||
#define S_EC_CREDITS 0
|
||||
#define M_EC_CREDITS 0x7FFF
|
||||
#define V_EC_CREDITS(x) ((x) << S_EC_CREDITS)
|
||||
#define G_EC_CREDITS(x) (((x) >> S_EC_CREDITS) & M_EC_CREDITS)
|
||||
|
||||
#define S_EC_GTS 15
|
||||
#define V_EC_GTS(x) ((x) << S_EC_GTS)
|
||||
#define F_EC_GTS V_EC_GTS(1U)
|
||||
|
||||
#define S_EC_INDEX 16
|
||||
#define M_EC_INDEX 0xFFFF
|
||||
#define V_EC_INDEX(x) ((x) << S_EC_INDEX)
|
||||
#define G_EC_INDEX(x) (((x) >> S_EC_INDEX) & M_EC_INDEX)
|
||||
|
||||
#define S_EC_SIZE 0
|
||||
#define M_EC_SIZE 0xFFFF
|
||||
#define V_EC_SIZE(x) ((x) << S_EC_SIZE)
|
||||
#define G_EC_SIZE(x) (((x) >> S_EC_SIZE) & M_EC_SIZE)
|
||||
|
||||
#define S_EC_BASE_LO 16
|
||||
#define M_EC_BASE_LO 0xFFFF
|
||||
#define V_EC_BASE_LO(x) ((x) << S_EC_BASE_LO)
|
||||
#define G_EC_BASE_LO(x) (((x) >> S_EC_BASE_LO) & M_EC_BASE_LO)
|
||||
|
||||
#define S_EC_BASE_HI 0
|
||||
#define M_EC_BASE_HI 0xF
|
||||
#define V_EC_BASE_HI(x) ((x) << S_EC_BASE_HI)
|
||||
#define G_EC_BASE_HI(x) (((x) >> S_EC_BASE_HI) & M_EC_BASE_HI)
|
||||
|
||||
#define S_EC_RESPQ 4
|
||||
#define M_EC_RESPQ 0x7
|
||||
#define V_EC_RESPQ(x) ((x) << S_EC_RESPQ)
|
||||
#define G_EC_RESPQ(x) (((x) >> S_EC_RESPQ) & M_EC_RESPQ)
|
||||
|
||||
#define S_EC_TYPE 7
|
||||
#define M_EC_TYPE 0x7
|
||||
#define V_EC_TYPE(x) ((x) << S_EC_TYPE)
|
||||
#define G_EC_TYPE(x) (((x) >> S_EC_TYPE) & M_EC_TYPE)
|
||||
|
||||
#define S_EC_GEN 10
|
||||
#define V_EC_GEN(x) ((x) << S_EC_GEN)
|
||||
#define F_EC_GEN V_EC_GEN(1U)
|
||||
|
||||
#define S_EC_UP_TOKEN 11
|
||||
#define M_EC_UP_TOKEN 0xFFFFF
|
||||
#define V_EC_UP_TOKEN(x) ((x) << S_EC_UP_TOKEN)
|
||||
#define G_EC_UP_TOKEN(x) (((x) >> S_EC_UP_TOKEN) & M_EC_UP_TOKEN)
|
||||
|
||||
#define S_EC_VALID 31
|
||||
#define V_EC_VALID(x) ((x) << S_EC_VALID)
|
||||
#define F_EC_VALID V_EC_VALID(1U)
|
||||
|
||||
#define S_RQ_MSI_VEC 20
|
||||
#define M_RQ_MSI_VEC 0x3F
|
||||
#define V_RQ_MSI_VEC(x) ((x) << S_RQ_MSI_VEC)
|
||||
#define G_RQ_MSI_VEC(x) (((x) >> S_RQ_MSI_VEC) & M_RQ_MSI_VEC)
|
||||
|
||||
#define S_RQ_INTR_EN 26
|
||||
#define V_RQ_INTR_EN(x) ((x) << S_RQ_INTR_EN)
|
||||
#define F_RQ_INTR_EN V_RQ_INTR_EN(1U)
|
||||
|
||||
#define S_RQ_GEN 28
|
||||
#define V_RQ_GEN(x) ((x) << S_RQ_GEN)
|
||||
#define F_RQ_GEN V_RQ_GEN(1U)
|
||||
|
||||
#define S_CQ_INDEX 0
|
||||
#define M_CQ_INDEX 0xFFFF
|
||||
#define V_CQ_INDEX(x) ((x) << S_CQ_INDEX)
|
||||
#define G_CQ_INDEX(x) (((x) >> S_CQ_INDEX) & M_CQ_INDEX)
|
||||
|
||||
#define S_CQ_SIZE 16
|
||||
#define M_CQ_SIZE 0xFFFF
|
||||
#define V_CQ_SIZE(x) ((x) << S_CQ_SIZE)
|
||||
#define G_CQ_SIZE(x) (((x) >> S_CQ_SIZE) & M_CQ_SIZE)
|
||||
|
||||
#define S_CQ_BASE_HI 0
|
||||
#define M_CQ_BASE_HI 0xFFFFF
|
||||
#define V_CQ_BASE_HI(x) ((x) << S_CQ_BASE_HI)
|
||||
#define G_CQ_BASE_HI(x) (((x) >> S_CQ_BASE_HI) & M_CQ_BASE_HI)
|
||||
|
||||
#define S_CQ_RSPQ 20
|
||||
#define M_CQ_RSPQ 0x3F
|
||||
#define V_CQ_RSPQ(x) ((x) << S_CQ_RSPQ)
|
||||
#define G_CQ_RSPQ(x) (((x) >> S_CQ_RSPQ) & M_CQ_RSPQ)
|
||||
|
||||
#define S_CQ_ASYNC_NOTIF 26
|
||||
#define V_CQ_ASYNC_NOTIF(x) ((x) << S_CQ_ASYNC_NOTIF)
|
||||
#define F_CQ_ASYNC_NOTIF V_CQ_ASYNC_NOTIF(1U)
|
||||
|
||||
#define S_CQ_ARMED 27
|
||||
#define V_CQ_ARMED(x) ((x) << S_CQ_ARMED)
|
||||
#define F_CQ_ARMED V_CQ_ARMED(1U)
|
||||
|
||||
#define S_CQ_ASYNC_NOTIF_SOL 28
|
||||
#define V_CQ_ASYNC_NOTIF_SOL(x) ((x) << S_CQ_ASYNC_NOTIF_SOL)
|
||||
#define F_CQ_ASYNC_NOTIF_SOL V_CQ_ASYNC_NOTIF_SOL(1U)
|
||||
|
||||
#define S_CQ_GEN 29
|
||||
#define V_CQ_GEN(x) ((x) << S_CQ_GEN)
|
||||
#define F_CQ_GEN V_CQ_GEN(1U)
|
||||
|
||||
#define S_CQ_OVERFLOW_MODE 31
|
||||
#define V_CQ_OVERFLOW_MODE(x) ((x) << S_CQ_OVERFLOW_MODE)
|
||||
#define F_CQ_OVERFLOW_MODE V_CQ_OVERFLOW_MODE(1U)
|
||||
|
||||
#define S_CQ_CREDITS 0
|
||||
#define M_CQ_CREDITS 0xFFFF
|
||||
#define V_CQ_CREDITS(x) ((x) << S_CQ_CREDITS)
|
||||
#define G_CQ_CREDITS(x) (((x) >> S_CQ_CREDITS) & M_CQ_CREDITS)
|
||||
|
||||
#define S_CQ_CREDIT_THRES 16
|
||||
#define M_CQ_CREDIT_THRES 0x1FFF
|
||||
#define V_CQ_CREDIT_THRES(x) ((x) << S_CQ_CREDIT_THRES)
|
||||
#define G_CQ_CREDIT_THRES(x) (((x) >> S_CQ_CREDIT_THRES) & M_CQ_CREDIT_THRES)
|
||||
|
||||
#define S_FL_BASE_HI 0
|
||||
#define M_FL_BASE_HI 0xFFFFF
|
||||
#define V_FL_BASE_HI(x) ((x) << S_FL_BASE_HI)
|
||||
#define G_FL_BASE_HI(x) (((x) >> S_FL_BASE_HI) & M_FL_BASE_HI)
|
||||
|
||||
#define S_FL_INDEX_LO 20
|
||||
#define M_FL_INDEX_LO 0xFFF
|
||||
#define V_FL_INDEX_LO(x) ((x) << S_FL_INDEX_LO)
|
||||
#define G_FL_INDEX_LO(x) (((x) >> S_FL_INDEX_LO) & M_FL_INDEX_LO)
|
||||
|
||||
#define S_FL_INDEX_HI 0
|
||||
#define M_FL_INDEX_HI 0xF
|
||||
#define V_FL_INDEX_HI(x) ((x) << S_FL_INDEX_HI)
|
||||
#define G_FL_INDEX_HI(x) (((x) >> S_FL_INDEX_HI) & M_FL_INDEX_HI)
|
||||
|
||||
#define S_FL_SIZE 4
|
||||
#define M_FL_SIZE 0xFFFF
|
||||
#define V_FL_SIZE(x) ((x) << S_FL_SIZE)
|
||||
#define G_FL_SIZE(x) (((x) >> S_FL_SIZE) & M_FL_SIZE)
|
||||
|
||||
#define S_FL_GEN 20
|
||||
#define V_FL_GEN(x) ((x) << S_FL_GEN)
|
||||
#define F_FL_GEN V_FL_GEN(1U)
|
||||
|
||||
#define S_FL_ENTRY_SIZE_LO 21
|
||||
#define M_FL_ENTRY_SIZE_LO 0x7FF
|
||||
#define V_FL_ENTRY_SIZE_LO(x) ((x) << S_FL_ENTRY_SIZE_LO)
|
||||
#define G_FL_ENTRY_SIZE_LO(x) (((x) >> S_FL_ENTRY_SIZE_LO) & M_FL_ENTRY_SIZE_LO)
|
||||
|
||||
#define S_FL_ENTRY_SIZE_HI 0
|
||||
#define M_FL_ENTRY_SIZE_HI 0x1FFFFF
|
||||
#define V_FL_ENTRY_SIZE_HI(x) ((x) << S_FL_ENTRY_SIZE_HI)
|
||||
#define G_FL_ENTRY_SIZE_HI(x) (((x) >> S_FL_ENTRY_SIZE_HI) & M_FL_ENTRY_SIZE_HI)
|
||||
|
||||
#define S_FL_CONG_THRES 21
|
||||
#define M_FL_CONG_THRES 0x3FF
|
||||
#define V_FL_CONG_THRES(x) ((x) << S_FL_CONG_THRES)
|
||||
#define G_FL_CONG_THRES(x) (((x) >> S_FL_CONG_THRES) & M_FL_CONG_THRES)
|
||||
|
||||
#define S_FL_GTS 31
|
||||
#define V_FL_GTS(x) ((x) << S_FL_GTS)
|
||||
#define F_FL_GTS V_FL_GTS(1U)
|
||||
|
||||
#define S_FLD_GEN1 31
|
||||
#define V_FLD_GEN1(x) ((x) << S_FLD_GEN1)
|
||||
#define F_FLD_GEN1 V_FLD_GEN1(1U)
|
||||
|
||||
#define S_FLD_GEN2 0
|
||||
#define V_FLD_GEN2(x) ((x) << S_FLD_GEN2)
|
||||
#define F_FLD_GEN2 V_FLD_GEN2(1U)
|
||||
|
||||
#define S_RSPD_TXQ1_CR 0
|
||||
#define M_RSPD_TXQ1_CR 0x7F
|
||||
#define V_RSPD_TXQ1_CR(x) ((x) << S_RSPD_TXQ1_CR)
|
||||
#define G_RSPD_TXQ1_CR(x) (((x) >> S_RSPD_TXQ1_CR) & M_RSPD_TXQ1_CR)
|
||||
|
||||
#define S_RSPD_TXQ1_GTS 7
|
||||
#define V_RSPD_TXQ1_GTS(x) ((x) << S_RSPD_TXQ1_GTS)
|
||||
#define F_RSPD_TXQ1_GTS V_RSPD_TXQ1_GTS(1U)
|
||||
|
||||
#define S_RSPD_TXQ2_CR 8
|
||||
#define M_RSPD_TXQ2_CR 0x7F
|
||||
#define V_RSPD_TXQ2_CR(x) ((x) << S_RSPD_TXQ2_CR)
|
||||
#define G_RSPD_TXQ2_CR(x) (((x) >> S_RSPD_TXQ2_CR) & M_RSPD_TXQ2_CR)
|
||||
|
||||
#define S_RSPD_TXQ2_GTS 15
|
||||
#define V_RSPD_TXQ2_GTS(x) ((x) << S_RSPD_TXQ2_GTS)
|
||||
#define F_RSPD_TXQ2_GTS V_RSPD_TXQ2_GTS(1U)
|
||||
|
||||
#define S_RSPD_TXQ0_CR 16
|
||||
#define M_RSPD_TXQ0_CR 0x7F
|
||||
#define V_RSPD_TXQ0_CR(x) ((x) << S_RSPD_TXQ0_CR)
|
||||
#define G_RSPD_TXQ0_CR(x) (((x) >> S_RSPD_TXQ0_CR) & M_RSPD_TXQ0_CR)
|
||||
|
||||
#define S_RSPD_TXQ0_GTS 23
|
||||
#define V_RSPD_TXQ0_GTS(x) ((x) << S_RSPD_TXQ0_GTS)
|
||||
#define F_RSPD_TXQ0_GTS V_RSPD_TXQ0_GTS(1U)
|
||||
|
||||
#define S_RSPD_EOP 24
|
||||
#define V_RSPD_EOP(x) ((x) << S_RSPD_EOP)
|
||||
#define F_RSPD_EOP V_RSPD_EOP(1U)
|
||||
|
||||
#define S_RSPD_SOP 25
|
||||
#define V_RSPD_SOP(x) ((x) << S_RSPD_SOP)
|
||||
#define F_RSPD_SOP V_RSPD_SOP(1U)
|
||||
|
||||
#define S_RSPD_ASYNC_NOTIF 26
|
||||
#define V_RSPD_ASYNC_NOTIF(x) ((x) << S_RSPD_ASYNC_NOTIF)
|
||||
#define F_RSPD_ASYNC_NOTIF V_RSPD_ASYNC_NOTIF(1U)
|
||||
|
||||
#define S_RSPD_FL0_GTS 27
|
||||
#define V_RSPD_FL0_GTS(x) ((x) << S_RSPD_FL0_GTS)
|
||||
#define F_RSPD_FL0_GTS V_RSPD_FL0_GTS(1U)
|
||||
|
||||
#define S_RSPD_FL1_GTS 28
|
||||
#define V_RSPD_FL1_GTS(x) ((x) << S_RSPD_FL1_GTS)
|
||||
#define F_RSPD_FL1_GTS V_RSPD_FL1_GTS(1U)
|
||||
|
||||
#define S_RSPD_IMM_DATA_VALID 29
|
||||
#define V_RSPD_IMM_DATA_VALID(x) ((x) << S_RSPD_IMM_DATA_VALID)
|
||||
#define F_RSPD_IMM_DATA_VALID V_RSPD_IMM_DATA_VALID(1U)
|
||||
|
||||
#define S_RSPD_OFFLOAD 30
|
||||
#define V_RSPD_OFFLOAD(x) ((x) << S_RSPD_OFFLOAD)
|
||||
#define F_RSPD_OFFLOAD V_RSPD_OFFLOAD(1U)
|
||||
|
||||
#define S_RSPD_GEN1 31
|
||||
#define V_RSPD_GEN1(x) ((x) << S_RSPD_GEN1)
|
||||
#define F_RSPD_GEN1 V_RSPD_GEN1(1U)
|
||||
|
||||
#define S_RSPD_LEN 0
|
||||
#define M_RSPD_LEN 0x7FFFFFFF
|
||||
#define V_RSPD_LEN(x) ((x) << S_RSPD_LEN)
|
||||
#define G_RSPD_LEN(x) (((x) >> S_RSPD_LEN) & M_RSPD_LEN)
|
||||
|
||||
#define S_RSPD_FLQ 31
|
||||
#define V_RSPD_FLQ(x) ((x) << S_RSPD_FLQ)
|
||||
#define F_RSPD_FLQ V_RSPD_FLQ(1U)
|
||||
|
||||
#define S_RSPD_GEN2 0
|
||||
#define V_RSPD_GEN2(x) ((x) << S_RSPD_GEN2)
|
||||
#define F_RSPD_GEN2 V_RSPD_GEN2(1U)
|
||||
|
||||
#define S_RSPD_INR_VEC 1
|
||||
#define M_RSPD_INR_VEC 0x7F
|
||||
#define V_RSPD_INR_VEC(x) ((x) << S_RSPD_INR_VEC)
|
||||
#define G_RSPD_INR_VEC(x) (((x) >> S_RSPD_INR_VEC) & M_RSPD_INR_VEC)
|
||||
|
||||
#endif /* _SGE_DEFS_H */
|
||||
1426
drivers/net/cxgb3/t3_cpl.h
Normal file
1426
drivers/net/cxgb3/t3_cpl.h
Normal file
File diff suppressed because it is too large
Load diff
3354
drivers/net/cxgb3/t3_hw.c
Normal file
3354
drivers/net/cxgb3/t3_hw.c
Normal file
File diff suppressed because it is too large
Load diff
72
drivers/net/cxgb3/t3cdev.h
Normal file
72
drivers/net/cxgb3/t3cdev.h
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* Copyright (C) 2003-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This software is available to you under a choice of one of two
|
||||
* licenses. You may choose to be licensed under the terms of the GNU
|
||||
* General Public License (GPL) Version 2, available from the file
|
||||
* COPYING in the main directory of this source tree, or the
|
||||
* OpenIB.org BSD license below:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or
|
||||
* without modification, are permitted provided that the following
|
||||
* conditions are met:
|
||||
*
|
||||
* - Redistributions of source code must retain the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer.
|
||||
*
|
||||
* - Redistributions in binary form must reproduce the above
|
||||
* copyright notice, this list of conditions and the following
|
||||
* disclaimer in the documentation and/or other materials
|
||||
* provided with the distribution.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
||||
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
* SOFTWARE.
|
||||
*/
|
||||
#ifndef _T3CDEV_H_
|
||||
#define _T3CDEV_H_
|
||||
|
||||
#include <linux/list.h>
|
||||
#include <asm/atomic.h>
|
||||
#include <asm/semaphore.h>
|
||||
#include <linux/netdevice.h>
|
||||
#include <linux/proc_fs.h>
|
||||
#include <linux/skbuff.h>
|
||||
#include <net/neighbour.h>
|
||||
|
||||
#define T3CNAMSIZ 16
|
||||
|
||||
/* Get the t3cdev associated with a net_device */
|
||||
#define T3CDEV(netdev) (struct t3cdev *)(netdev->priv)
|
||||
|
||||
struct cxgb3_client;
|
||||
|
||||
enum t3ctype {
|
||||
T3A = 0,
|
||||
T3B
|
||||
};
|
||||
|
||||
struct t3cdev {
|
||||
char name[T3CNAMSIZ]; /* T3C device name */
|
||||
enum t3ctype type;
|
||||
struct list_head ofld_dev_list; /* for list linking */
|
||||
struct net_device *lldev; /* LL dev associated with T3C messages */
|
||||
struct proc_dir_entry *proc_dir; /* root of proc dir for this T3C */
|
||||
int (*send)(struct t3cdev *dev, struct sk_buff *skb);
|
||||
int (*recv)(struct t3cdev *dev, struct sk_buff **skb, int n);
|
||||
int (*ctl)(struct t3cdev *dev, unsigned int req, void *data);
|
||||
void (*neigh_update)(struct t3cdev *dev, struct neighbour *neigh);
|
||||
void *priv; /* driver private data */
|
||||
void *l2opt; /* optional layer 2 data */
|
||||
void *l3opt; /* optional layer 3 data */
|
||||
void *l4opt; /* optional layer 4 data */
|
||||
void *ulp; /* ulp stuff */
|
||||
};
|
||||
|
||||
#endif /* _T3CDEV_H_ */
|
||||
24
drivers/net/cxgb3/version.h
Normal file
24
drivers/net/cxgb3/version.h
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
/*****************************************************************************
|
||||
* *
|
||||
* File: *
|
||||
* version.h *
|
||||
* *
|
||||
* Description: *
|
||||
* Chelsio driver version defines. *
|
||||
* *
|
||||
* Copyright (c) 2003 - 2006 Chelsio Communications, Inc. *
|
||||
* All rights reserved. *
|
||||
* *
|
||||
* Maintainers: maintainers@chelsio.com *
|
||||
* *
|
||||
* http://www.chelsio.com *
|
||||
* *
|
||||
****************************************************************************/
|
||||
/* $Date: 2006/10/31 18:57:51 $ $RCSfile: version.h,v $ $Revision: 1.3 $ */
|
||||
#ifndef __CHELSIO_VERSION_H
|
||||
#define __CHELSIO_VERSION_H
|
||||
#define DRV_DESC "Chelsio T3 Network Driver"
|
||||
#define DRV_NAME "cxgb3"
|
||||
/* Driver version */
|
||||
#define DRV_VERSION "1.0"
|
||||
#endif /* __CHELSIO_VERSION_H */
|
||||
208
drivers/net/cxgb3/vsc8211.c
Normal file
208
drivers/net/cxgb3/vsc8211.c
Normal file
|
|
@ -0,0 +1,208 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver.
|
||||
*
|
||||
* Copyright (C) 2005-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
|
||||
/* VSC8211 PHY specific registers. */
|
||||
enum {
|
||||
VSC8211_INTR_ENABLE = 25,
|
||||
VSC8211_INTR_STATUS = 26,
|
||||
VSC8211_AUX_CTRL_STAT = 28,
|
||||
};
|
||||
|
||||
enum {
|
||||
VSC_INTR_RX_ERR = 1 << 0,
|
||||
VSC_INTR_MS_ERR = 1 << 1, /* master/slave resolution error */
|
||||
VSC_INTR_CABLE = 1 << 2, /* cable impairment */
|
||||
VSC_INTR_FALSE_CARR = 1 << 3, /* false carrier */
|
||||
VSC_INTR_MEDIA_CHG = 1 << 4, /* AMS media change */
|
||||
VSC_INTR_RX_FIFO = 1 << 5, /* Rx FIFO over/underflow */
|
||||
VSC_INTR_TX_FIFO = 1 << 6, /* Tx FIFO over/underflow */
|
||||
VSC_INTR_DESCRAMBL = 1 << 7, /* descrambler lock-lost */
|
||||
VSC_INTR_SYMBOL_ERR = 1 << 8, /* symbol error */
|
||||
VSC_INTR_NEG_DONE = 1 << 10, /* autoneg done */
|
||||
VSC_INTR_NEG_ERR = 1 << 11, /* autoneg error */
|
||||
VSC_INTR_LINK_CHG = 1 << 13, /* link change */
|
||||
VSC_INTR_ENABLE = 1 << 15, /* interrupt enable */
|
||||
};
|
||||
|
||||
#define CFG_CHG_INTR_MASK (VSC_INTR_LINK_CHG | VSC_INTR_NEG_ERR | \
|
||||
VSC_INTR_NEG_DONE)
|
||||
#define INTR_MASK (CFG_CHG_INTR_MASK | VSC_INTR_TX_FIFO | VSC_INTR_RX_FIFO | \
|
||||
VSC_INTR_ENABLE)
|
||||
|
||||
/* PHY specific auxiliary control & status register fields */
|
||||
#define S_ACSR_ACTIPHY_TMR 0
|
||||
#define M_ACSR_ACTIPHY_TMR 0x3
|
||||
#define V_ACSR_ACTIPHY_TMR(x) ((x) << S_ACSR_ACTIPHY_TMR)
|
||||
|
||||
#define S_ACSR_SPEED 3
|
||||
#define M_ACSR_SPEED 0x3
|
||||
#define G_ACSR_SPEED(x) (((x) >> S_ACSR_SPEED) & M_ACSR_SPEED)
|
||||
|
||||
#define S_ACSR_DUPLEX 5
|
||||
#define F_ACSR_DUPLEX (1 << S_ACSR_DUPLEX)
|
||||
|
||||
#define S_ACSR_ACTIPHY 6
|
||||
#define F_ACSR_ACTIPHY (1 << S_ACSR_ACTIPHY)
|
||||
|
||||
/*
|
||||
* Reset the PHY. This PHY completes reset immediately so we never wait.
|
||||
*/
|
||||
static int vsc8211_reset(struct cphy *cphy, int wait)
|
||||
{
|
||||
return t3_phy_reset(cphy, 0, 0);
|
||||
}
|
||||
|
||||
static int vsc8211_intr_enable(struct cphy *cphy)
|
||||
{
|
||||
return mdio_write(cphy, 0, VSC8211_INTR_ENABLE, INTR_MASK);
|
||||
}
|
||||
|
||||
static int vsc8211_intr_disable(struct cphy *cphy)
|
||||
{
|
||||
return mdio_write(cphy, 0, VSC8211_INTR_ENABLE, 0);
|
||||
}
|
||||
|
||||
static int vsc8211_intr_clear(struct cphy *cphy)
|
||||
{
|
||||
u32 val;
|
||||
|
||||
/* Clear PHY interrupts by reading the register. */
|
||||
return mdio_read(cphy, 0, VSC8211_INTR_STATUS, &val);
|
||||
}
|
||||
|
||||
static int vsc8211_autoneg_enable(struct cphy *cphy)
|
||||
{
|
||||
return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE,
|
||||
BMCR_ANENABLE | BMCR_ANRESTART);
|
||||
}
|
||||
|
||||
static int vsc8211_autoneg_restart(struct cphy *cphy)
|
||||
{
|
||||
return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN | BMCR_ISOLATE,
|
||||
BMCR_ANRESTART);
|
||||
}
|
||||
|
||||
static int vsc8211_get_link_status(struct cphy *cphy, int *link_ok,
|
||||
int *speed, int *duplex, int *fc)
|
||||
{
|
||||
unsigned int bmcr, status, lpa, adv;
|
||||
int err, sp = -1, dplx = -1, pause = 0;
|
||||
|
||||
err = mdio_read(cphy, 0, MII_BMCR, &bmcr);
|
||||
if (!err)
|
||||
err = mdio_read(cphy, 0, MII_BMSR, &status);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (link_ok) {
|
||||
/*
|
||||
* BMSR_LSTATUS is latch-low, so if it is 0 we need to read it
|
||||
* once more to get the current link state.
|
||||
*/
|
||||
if (!(status & BMSR_LSTATUS))
|
||||
err = mdio_read(cphy, 0, MII_BMSR, &status);
|
||||
if (err)
|
||||
return err;
|
||||
*link_ok = (status & BMSR_LSTATUS) != 0;
|
||||
}
|
||||
if (!(bmcr & BMCR_ANENABLE)) {
|
||||
dplx = (bmcr & BMCR_FULLDPLX) ? DUPLEX_FULL : DUPLEX_HALF;
|
||||
if (bmcr & BMCR_SPEED1000)
|
||||
sp = SPEED_1000;
|
||||
else if (bmcr & BMCR_SPEED100)
|
||||
sp = SPEED_100;
|
||||
else
|
||||
sp = SPEED_10;
|
||||
} else if (status & BMSR_ANEGCOMPLETE) {
|
||||
err = mdio_read(cphy, 0, VSC8211_AUX_CTRL_STAT, &status);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
dplx = (status & F_ACSR_DUPLEX) ? DUPLEX_FULL : DUPLEX_HALF;
|
||||
sp = G_ACSR_SPEED(status);
|
||||
if (sp == 0)
|
||||
sp = SPEED_10;
|
||||
else if (sp == 1)
|
||||
sp = SPEED_100;
|
||||
else
|
||||
sp = SPEED_1000;
|
||||
|
||||
if (fc && dplx == DUPLEX_FULL) {
|
||||
err = mdio_read(cphy, 0, MII_LPA, &lpa);
|
||||
if (!err)
|
||||
err = mdio_read(cphy, 0, MII_ADVERTISE, &adv);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
if (lpa & adv & ADVERTISE_PAUSE_CAP)
|
||||
pause = PAUSE_RX | PAUSE_TX;
|
||||
else if ((lpa & ADVERTISE_PAUSE_CAP) &&
|
||||
(lpa & ADVERTISE_PAUSE_ASYM) &&
|
||||
(adv & ADVERTISE_PAUSE_ASYM))
|
||||
pause = PAUSE_TX;
|
||||
else if ((lpa & ADVERTISE_PAUSE_ASYM) &&
|
||||
(adv & ADVERTISE_PAUSE_CAP))
|
||||
pause = PAUSE_RX;
|
||||
}
|
||||
}
|
||||
if (speed)
|
||||
*speed = sp;
|
||||
if (duplex)
|
||||
*duplex = dplx;
|
||||
if (fc)
|
||||
*fc = pause;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int vsc8211_power_down(struct cphy *cphy, int enable)
|
||||
{
|
||||
return t3_mdio_change_bits(cphy, 0, MII_BMCR, BMCR_PDOWN,
|
||||
enable ? BMCR_PDOWN : 0);
|
||||
}
|
||||
|
||||
static int vsc8211_intr_handler(struct cphy *cphy)
|
||||
{
|
||||
unsigned int cause;
|
||||
int err, cphy_cause = 0;
|
||||
|
||||
err = mdio_read(cphy, 0, VSC8211_INTR_STATUS, &cause);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
cause &= INTR_MASK;
|
||||
if (cause & CFG_CHG_INTR_MASK)
|
||||
cphy_cause |= cphy_cause_link_change;
|
||||
if (cause & (VSC_INTR_RX_FIFO | VSC_INTR_TX_FIFO))
|
||||
cphy_cause |= cphy_cause_fifo_error;
|
||||
return cphy_cause;
|
||||
}
|
||||
|
||||
static struct cphy_ops vsc8211_ops = {
|
||||
.reset = vsc8211_reset,
|
||||
.intr_enable = vsc8211_intr_enable,
|
||||
.intr_disable = vsc8211_intr_disable,
|
||||
.intr_clear = vsc8211_intr_clear,
|
||||
.intr_handler = vsc8211_intr_handler,
|
||||
.autoneg_enable = vsc8211_autoneg_enable,
|
||||
.autoneg_restart = vsc8211_autoneg_restart,
|
||||
.advertise = t3_phy_advertise,
|
||||
.set_speed_duplex = t3_set_phy_speed_duplex,
|
||||
.get_link_status = vsc8211_get_link_status,
|
||||
.power_down = vsc8211_power_down,
|
||||
};
|
||||
|
||||
void t3_vsc8211_phy_prep(struct cphy *phy, struct adapter *adapter,
|
||||
int phy_addr, const struct mdio_ops *mdio_ops)
|
||||
{
|
||||
cphy_init(phy, adapter, phy_addr, &vsc8211_ops, mdio_ops);
|
||||
}
|
||||
389
drivers/net/cxgb3/xgmac.c
Normal file
389
drivers/net/cxgb3/xgmac.c
Normal file
|
|
@ -0,0 +1,389 @@
|
|||
/*
|
||||
* This file is part of the Chelsio T3 Ethernet driver.
|
||||
*
|
||||
* Copyright (C) 2005-2006 Chelsio Communications. All rights reserved.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this
|
||||
* release for licensing terms and conditions.
|
||||
*/
|
||||
|
||||
#include "common.h"
|
||||
#include "regs.h"
|
||||
|
||||
/*
|
||||
* # of exact address filters. The first one is used for the station address,
|
||||
* the rest are available for multicast addresses.
|
||||
*/
|
||||
#define EXACT_ADDR_FILTERS 8
|
||||
|
||||
static inline int macidx(const struct cmac *mac)
|
||||
{
|
||||
return mac->offset / (XGMAC0_1_BASE_ADDR - XGMAC0_0_BASE_ADDR);
|
||||
}
|
||||
|
||||
static void xaui_serdes_reset(struct cmac *mac)
|
||||
{
|
||||
static const unsigned int clear[] = {
|
||||
F_PWRDN0 | F_PWRDN1, F_RESETPLL01, F_RESET0 | F_RESET1,
|
||||
F_PWRDN2 | F_PWRDN3, F_RESETPLL23, F_RESET2 | F_RESET3
|
||||
};
|
||||
|
||||
int i;
|
||||
struct adapter *adap = mac->adapter;
|
||||
u32 ctrl = A_XGM_SERDES_CTRL0 + mac->offset;
|
||||
|
||||
t3_write_reg(adap, ctrl, adap->params.vpd.xauicfg[macidx(mac)] |
|
||||
F_RESET3 | F_RESET2 | F_RESET1 | F_RESET0 |
|
||||
F_PWRDN3 | F_PWRDN2 | F_PWRDN1 | F_PWRDN0 |
|
||||
F_RESETPLL23 | F_RESETPLL01);
|
||||
t3_read_reg(adap, ctrl);
|
||||
udelay(15);
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(clear); i++) {
|
||||
t3_set_reg_field(adap, ctrl, clear[i], 0);
|
||||
udelay(15);
|
||||
}
|
||||
}
|
||||
|
||||
void t3b_pcs_reset(struct cmac *mac)
|
||||
{
|
||||
t3_set_reg_field(mac->adapter, A_XGM_RESET_CTRL + mac->offset,
|
||||
F_PCS_RESET_, 0);
|
||||
udelay(20);
|
||||
t3_set_reg_field(mac->adapter, A_XGM_RESET_CTRL + mac->offset, 0,
|
||||
F_PCS_RESET_);
|
||||
}
|
||||
|
||||
int t3_mac_reset(struct cmac *mac)
|
||||
{
|
||||
static const struct addr_val_pair mac_reset_avp[] = {
|
||||
{A_XGM_TX_CTRL, 0},
|
||||
{A_XGM_RX_CTRL, 0},
|
||||
{A_XGM_RX_CFG, F_DISPAUSEFRAMES | F_EN1536BFRAMES |
|
||||
F_RMFCS | F_ENJUMBO | F_ENHASHMCAST},
|
||||
{A_XGM_RX_HASH_LOW, 0},
|
||||
{A_XGM_RX_HASH_HIGH, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_1, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_2, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_3, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_4, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_5, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_6, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_7, 0},
|
||||
{A_XGM_RX_EXACT_MATCH_LOW_8, 0},
|
||||
{A_XGM_STAT_CTRL, F_CLRSTATS}
|
||||
};
|
||||
u32 val;
|
||||
struct adapter *adap = mac->adapter;
|
||||
unsigned int oft = mac->offset;
|
||||
|
||||
t3_write_reg(adap, A_XGM_RESET_CTRL + oft, F_MAC_RESET_);
|
||||
t3_read_reg(adap, A_XGM_RESET_CTRL + oft); /* flush */
|
||||
|
||||
t3_write_regs(adap, mac_reset_avp, ARRAY_SIZE(mac_reset_avp), oft);
|
||||
t3_set_reg_field(adap, A_XGM_RXFIFO_CFG + oft,
|
||||
F_RXSTRFRWRD | F_DISERRFRAMES,
|
||||
uses_xaui(adap) ? 0 : F_RXSTRFRWRD);
|
||||
|
||||
if (uses_xaui(adap)) {
|
||||
if (adap->params.rev == 0) {
|
||||
t3_set_reg_field(adap, A_XGM_SERDES_CTRL + oft, 0,
|
||||
F_RXENABLE | F_TXENABLE);
|
||||
if (t3_wait_op_done(adap, A_XGM_SERDES_STATUS1 + oft,
|
||||
F_CMULOCK, 1, 5, 2)) {
|
||||
CH_ERR(adap,
|
||||
"MAC %d XAUI SERDES CMU lock failed\n",
|
||||
macidx(mac));
|
||||
return -1;
|
||||
}
|
||||
t3_set_reg_field(adap, A_XGM_SERDES_CTRL + oft, 0,
|
||||
F_SERDESRESET_);
|
||||
} else
|
||||
xaui_serdes_reset(mac);
|
||||
}
|
||||
|
||||
if (adap->params.rev > 0)
|
||||
t3_write_reg(adap, A_XGM_PAUSE_TIMER + oft, 0xf000);
|
||||
|
||||
val = F_MAC_RESET_;
|
||||
if (is_10G(adap))
|
||||
val |= F_PCS_RESET_;
|
||||
else if (uses_xaui(adap))
|
||||
val |= F_PCS_RESET_ | F_XG2G_RESET_;
|
||||
else
|
||||
val |= F_RGMII_RESET_ | F_XG2G_RESET_;
|
||||
t3_write_reg(adap, A_XGM_RESET_CTRL + oft, val);
|
||||
t3_read_reg(adap, A_XGM_RESET_CTRL + oft); /* flush */
|
||||
if ((val & F_PCS_RESET_) && adap->params.rev) {
|
||||
msleep(1);
|
||||
t3b_pcs_reset(mac);
|
||||
}
|
||||
|
||||
memset(&mac->stats, 0, sizeof(mac->stats));
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the exact match register 'idx' to recognize the given Ethernet address.
|
||||
*/
|
||||
static void set_addr_filter(struct cmac *mac, int idx, const u8 * addr)
|
||||
{
|
||||
u32 addr_lo, addr_hi;
|
||||
unsigned int oft = mac->offset + idx * 8;
|
||||
|
||||
addr_lo = (addr[3] << 24) | (addr[2] << 16) | (addr[1] << 8) | addr[0];
|
||||
addr_hi = (addr[5] << 8) | addr[4];
|
||||
|
||||
t3_write_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_LOW_1 + oft, addr_lo);
|
||||
t3_write_reg(mac->adapter, A_XGM_RX_EXACT_MATCH_HIGH_1 + oft, addr_hi);
|
||||
}
|
||||
|
||||
/* Set one of the station's unicast MAC addresses. */
|
||||
int t3_mac_set_address(struct cmac *mac, unsigned int idx, u8 addr[6])
|
||||
{
|
||||
if (idx >= mac->nucast)
|
||||
return -EINVAL;
|
||||
set_addr_filter(mac, idx, addr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Specify the number of exact address filters that should be reserved for
|
||||
* unicast addresses. Caller should reload the unicast and multicast addresses
|
||||
* after calling this.
|
||||
*/
|
||||
int t3_mac_set_num_ucast(struct cmac *mac, int n)
|
||||
{
|
||||
if (n > EXACT_ADDR_FILTERS)
|
||||
return -EINVAL;
|
||||
mac->nucast = n;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Calculate the RX hash filter index of an Ethernet address */
|
||||
static int hash_hw_addr(const u8 * addr)
|
||||
{
|
||||
int hash = 0, octet, bit, i = 0, c;
|
||||
|
||||
for (octet = 0; octet < 6; ++octet)
|
||||
for (c = addr[octet], bit = 0; bit < 8; c >>= 1, ++bit) {
|
||||
hash ^= (c & 1) << i;
|
||||
if (++i == 6)
|
||||
i = 0;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
|
||||
int t3_mac_set_rx_mode(struct cmac *mac, struct t3_rx_mode *rm)
|
||||
{
|
||||
u32 val, hash_lo, hash_hi;
|
||||
struct adapter *adap = mac->adapter;
|
||||
unsigned int oft = mac->offset;
|
||||
|
||||
val = t3_read_reg(adap, A_XGM_RX_CFG + oft) & ~F_COPYALLFRAMES;
|
||||
if (rm->dev->flags & IFF_PROMISC)
|
||||
val |= F_COPYALLFRAMES;
|
||||
t3_write_reg(adap, A_XGM_RX_CFG + oft, val);
|
||||
|
||||
if (rm->dev->flags & IFF_ALLMULTI)
|
||||
hash_lo = hash_hi = 0xffffffff;
|
||||
else {
|
||||
u8 *addr;
|
||||
int exact_addr_idx = mac->nucast;
|
||||
|
||||
hash_lo = hash_hi = 0;
|
||||
while ((addr = t3_get_next_mcaddr(rm)))
|
||||
if (exact_addr_idx < EXACT_ADDR_FILTERS)
|
||||
set_addr_filter(mac, exact_addr_idx++, addr);
|
||||
else {
|
||||
int hash = hash_hw_addr(addr);
|
||||
|
||||
if (hash < 32)
|
||||
hash_lo |= (1 << hash);
|
||||
else
|
||||
hash_hi |= (1 << (hash - 32));
|
||||
}
|
||||
}
|
||||
|
||||
t3_write_reg(adap, A_XGM_RX_HASH_LOW + oft, hash_lo);
|
||||
t3_write_reg(adap, A_XGM_RX_HASH_HIGH + oft, hash_hi);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int t3_mac_set_mtu(struct cmac *mac, unsigned int mtu)
|
||||
{
|
||||
int hwm, lwm;
|
||||
unsigned int thres, v;
|
||||
struct adapter *adap = mac->adapter;
|
||||
|
||||
/*
|
||||
* MAX_FRAME_SIZE inludes header + FCS, mtu doesn't. The HW max
|
||||
* packet size register includes header, but not FCS.
|
||||
*/
|
||||
mtu += 14;
|
||||
if (mtu > MAX_FRAME_SIZE - 4)
|
||||
return -EINVAL;
|
||||
t3_write_reg(adap, A_XGM_RX_MAX_PKT_SIZE + mac->offset, mtu);
|
||||
|
||||
/*
|
||||
* Adjust the PAUSE frame watermarks. We always set the LWM, and the
|
||||
* HWM only if flow-control is enabled.
|
||||
*/
|
||||
hwm = max(MAC_RXFIFO_SIZE - 3 * mtu, MAC_RXFIFO_SIZE / 2U);
|
||||
hwm = min(hwm, 3 * MAC_RXFIFO_SIZE / 4 + 1024);
|
||||
lwm = hwm - 1024;
|
||||
v = t3_read_reg(adap, A_XGM_RXFIFO_CFG + mac->offset);
|
||||
v &= ~V_RXFIFOPAUSELWM(M_RXFIFOPAUSELWM);
|
||||
v |= V_RXFIFOPAUSELWM(lwm / 8);
|
||||
if (G_RXFIFOPAUSEHWM(v))
|
||||
v = (v & ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM)) |
|
||||
V_RXFIFOPAUSEHWM(hwm / 8);
|
||||
t3_write_reg(adap, A_XGM_RXFIFO_CFG + mac->offset, v);
|
||||
|
||||
/* Adjust the TX FIFO threshold based on the MTU */
|
||||
thres = (adap->params.vpd.cclk * 1000) / 15625;
|
||||
thres = (thres * mtu) / 1000;
|
||||
if (is_10G(adap))
|
||||
thres /= 10;
|
||||
thres = mtu > thres ? (mtu - thres + 7) / 8 : 0;
|
||||
thres = max(thres, 8U); /* need at least 8 */
|
||||
t3_set_reg_field(adap, A_XGM_TXFIFO_CFG + mac->offset,
|
||||
V_TXFIFOTHRESH(M_TXFIFOTHRESH), V_TXFIFOTHRESH(thres));
|
||||
return 0;
|
||||
}
|
||||
|
||||
int t3_mac_set_speed_duplex_fc(struct cmac *mac, int speed, int duplex, int fc)
|
||||
{
|
||||
u32 val;
|
||||
struct adapter *adap = mac->adapter;
|
||||
unsigned int oft = mac->offset;
|
||||
|
||||
if (duplex >= 0 && duplex != DUPLEX_FULL)
|
||||
return -EINVAL;
|
||||
if (speed >= 0) {
|
||||
if (speed == SPEED_10)
|
||||
val = V_PORTSPEED(0);
|
||||
else if (speed == SPEED_100)
|
||||
val = V_PORTSPEED(1);
|
||||
else if (speed == SPEED_1000)
|
||||
val = V_PORTSPEED(2);
|
||||
else if (speed == SPEED_10000)
|
||||
val = V_PORTSPEED(3);
|
||||
else
|
||||
return -EINVAL;
|
||||
|
||||
t3_set_reg_field(adap, A_XGM_PORT_CFG + oft,
|
||||
V_PORTSPEED(M_PORTSPEED), val);
|
||||
}
|
||||
|
||||
val = t3_read_reg(adap, A_XGM_RXFIFO_CFG + oft);
|
||||
val &= ~V_RXFIFOPAUSEHWM(M_RXFIFOPAUSEHWM);
|
||||
if (fc & PAUSE_TX)
|
||||
val |= V_RXFIFOPAUSEHWM(G_RXFIFOPAUSELWM(val) + 128); /* +1KB */
|
||||
t3_write_reg(adap, A_XGM_RXFIFO_CFG + oft, val);
|
||||
|
||||
t3_set_reg_field(adap, A_XGM_TX_CFG + oft, F_TXPAUSEEN,
|
||||
(fc & PAUSE_RX) ? F_TXPAUSEEN : 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int t3_mac_enable(struct cmac *mac, int which)
|
||||
{
|
||||
int idx = macidx(mac);
|
||||
struct adapter *adap = mac->adapter;
|
||||
unsigned int oft = mac->offset;
|
||||
|
||||
if (which & MAC_DIRECTION_TX) {
|
||||
t3_write_reg(adap, A_XGM_TX_CTRL + oft, F_TXEN);
|
||||
t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
|
||||
t3_write_reg(adap, A_TP_PIO_DATA, 0xbf000001);
|
||||
t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_MODE);
|
||||
t3_set_reg_field(adap, A_TP_PIO_DATA, 1 << idx, 1 << idx);
|
||||
}
|
||||
if (which & MAC_DIRECTION_RX)
|
||||
t3_write_reg(adap, A_XGM_RX_CTRL + oft, F_RXEN);
|
||||
return 0;
|
||||
}
|
||||
|
||||
int t3_mac_disable(struct cmac *mac, int which)
|
||||
{
|
||||
int idx = macidx(mac);
|
||||
struct adapter *adap = mac->adapter;
|
||||
|
||||
if (which & MAC_DIRECTION_TX) {
|
||||
t3_write_reg(adap, A_XGM_TX_CTRL + mac->offset, 0);
|
||||
t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_CFG_CH0 + idx);
|
||||
t3_write_reg(adap, A_TP_PIO_DATA, 0xc000001f);
|
||||
t3_write_reg(adap, A_TP_PIO_ADDR, A_TP_TX_DROP_MODE);
|
||||
t3_set_reg_field(adap, A_TP_PIO_DATA, 1 << idx, 0);
|
||||
}
|
||||
if (which & MAC_DIRECTION_RX)
|
||||
t3_write_reg(adap, A_XGM_RX_CTRL + mac->offset, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* This function is called periodically to accumulate the current values of the
|
||||
* RMON counters into the port statistics. Since the packet counters are only
|
||||
* 32 bits they can overflow in ~286 secs at 10G, so the function should be
|
||||
* called more frequently than that. The byte counters are 45-bit wide, they
|
||||
* would overflow in ~7.8 hours.
|
||||
*/
|
||||
const struct mac_stats *t3_mac_update_stats(struct cmac *mac)
|
||||
{
|
||||
#define RMON_READ(mac, addr) t3_read_reg(mac->adapter, addr + mac->offset)
|
||||
#define RMON_UPDATE(mac, name, reg) \
|
||||
(mac)->stats.name += (u64)RMON_READ(mac, A_XGM_STAT_##reg)
|
||||
#define RMON_UPDATE64(mac, name, reg_lo, reg_hi) \
|
||||
(mac)->stats.name += RMON_READ(mac, A_XGM_STAT_##reg_lo) + \
|
||||
((u64)RMON_READ(mac, A_XGM_STAT_##reg_hi) << 32)
|
||||
|
||||
u32 v, lo;
|
||||
|
||||
RMON_UPDATE64(mac, rx_octets, RX_BYTES_LOW, RX_BYTES_HIGH);
|
||||
RMON_UPDATE64(mac, rx_frames, RX_FRAMES_LOW, RX_FRAMES_HIGH);
|
||||
RMON_UPDATE(mac, rx_mcast_frames, RX_MCAST_FRAMES);
|
||||
RMON_UPDATE(mac, rx_bcast_frames, RX_BCAST_FRAMES);
|
||||
RMON_UPDATE(mac, rx_fcs_errs, RX_CRC_ERR_FRAMES);
|
||||
RMON_UPDATE(mac, rx_pause, RX_PAUSE_FRAMES);
|
||||
RMON_UPDATE(mac, rx_jabber, RX_JABBER_FRAMES);
|
||||
RMON_UPDATE(mac, rx_short, RX_SHORT_FRAMES);
|
||||
RMON_UPDATE(mac, rx_symbol_errs, RX_SYM_CODE_ERR_FRAMES);
|
||||
|
||||
RMON_UPDATE(mac, rx_too_long, RX_OVERSIZE_FRAMES);
|
||||
mac->stats.rx_too_long += RMON_READ(mac, A_XGM_RX_MAX_PKT_SIZE_ERR_CNT);
|
||||
|
||||
RMON_UPDATE(mac, rx_frames_64, RX_64B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_65_127, RX_65_127B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_128_255, RX_128_255B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_256_511, RX_256_511B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_512_1023, RX_512_1023B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_1024_1518, RX_1024_1518B_FRAMES);
|
||||
RMON_UPDATE(mac, rx_frames_1519_max, RX_1519_MAXB_FRAMES);
|
||||
|
||||
RMON_UPDATE64(mac, tx_octets, TX_BYTE_LOW, TX_BYTE_HIGH);
|
||||
RMON_UPDATE64(mac, tx_frames, TX_FRAME_LOW, TX_FRAME_HIGH);
|
||||
RMON_UPDATE(mac, tx_mcast_frames, TX_MCAST);
|
||||
RMON_UPDATE(mac, tx_bcast_frames, TX_BCAST);
|
||||
RMON_UPDATE(mac, tx_pause, TX_PAUSE);
|
||||
/* This counts error frames in general (bad FCS, underrun, etc). */
|
||||
RMON_UPDATE(mac, tx_underrun, TX_ERR_FRAMES);
|
||||
|
||||
RMON_UPDATE(mac, tx_frames_64, TX_64B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_65_127, TX_65_127B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_128_255, TX_128_255B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_256_511, TX_256_511B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_512_1023, TX_512_1023B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_1024_1518, TX_1024_1518B_FRAMES);
|
||||
RMON_UPDATE(mac, tx_frames_1519_max, TX_1519_MAXB_FRAMES);
|
||||
|
||||
/* The next stat isn't clear-on-read. */
|
||||
t3_write_reg(mac->adapter, A_TP_MIB_INDEX, mac->offset ? 51 : 50);
|
||||
v = t3_read_reg(mac->adapter, A_TP_MIB_RDATA);
|
||||
lo = (u32) mac->stats.rx_cong_drops;
|
||||
mac->stats.rx_cong_drops += (u64) (v - lo);
|
||||
|
||||
return &mac->stats;
|
||||
}
|
||||
Loading…
Reference in a new issue