mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-25 16:55:17 +07:00
ff76a3cca3
CONFIG_HOTPLUG is going away as an option. As result the __dev* markings will be going away. Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
172 lines
4.0 KiB
C
172 lines
4.0 KiB
C
/* $Date: 2006/02/07 04:21:54 $ $RCSfile: tp.c,v $ $Revision: 1.73 $ */
|
|
#include "common.h"
|
|
#include "regs.h"
|
|
#include "tp.h"
|
|
#ifdef CONFIG_CHELSIO_T1_1G
|
|
#include "fpga_defs.h"
|
|
#endif
|
|
|
|
struct petp {
|
|
adapter_t *adapter;
|
|
};
|
|
|
|
/* Pause deadlock avoidance parameters */
|
|
#define DROP_MSEC 16
|
|
#define DROP_PKTS_CNT 1
|
|
|
|
static void tp_init(adapter_t * ap, const struct tp_params *p,
|
|
unsigned int tp_clk)
|
|
{
|
|
u32 val;
|
|
|
|
if (!t1_is_asic(ap))
|
|
return;
|
|
|
|
val = F_TP_IN_CSPI_CPL | F_TP_IN_CSPI_CHECK_IP_CSUM |
|
|
F_TP_IN_CSPI_CHECK_TCP_CSUM | F_TP_IN_ESPI_ETHERNET;
|
|
if (!p->pm_size)
|
|
val |= F_OFFLOAD_DISABLE;
|
|
else
|
|
val |= F_TP_IN_ESPI_CHECK_IP_CSUM | F_TP_IN_ESPI_CHECK_TCP_CSUM;
|
|
writel(val, ap->regs + A_TP_IN_CONFIG);
|
|
writel(F_TP_OUT_CSPI_CPL |
|
|
F_TP_OUT_ESPI_ETHERNET |
|
|
F_TP_OUT_ESPI_GENERATE_IP_CSUM |
|
|
F_TP_OUT_ESPI_GENERATE_TCP_CSUM, ap->regs + A_TP_OUT_CONFIG);
|
|
writel(V_IP_TTL(64) |
|
|
F_PATH_MTU /* IP DF bit */ |
|
|
V_5TUPLE_LOOKUP(p->use_5tuple_mode) |
|
|
V_SYN_COOKIE_PARAMETER(29), ap->regs + A_TP_GLOBAL_CONFIG);
|
|
/*
|
|
* Enable pause frame deadlock prevention.
|
|
*/
|
|
if (is_T2(ap) && ap->params.nports > 1) {
|
|
u32 drop_ticks = DROP_MSEC * (tp_clk / 1000);
|
|
|
|
writel(F_ENABLE_TX_DROP | F_ENABLE_TX_ERROR |
|
|
V_DROP_TICKS_CNT(drop_ticks) |
|
|
V_NUM_PKTS_DROPPED(DROP_PKTS_CNT),
|
|
ap->regs + A_TP_TX_DROP_CONFIG);
|
|
}
|
|
}
|
|
|
|
void t1_tp_destroy(struct petp *tp)
|
|
{
|
|
kfree(tp);
|
|
}
|
|
|
|
struct petp *t1_tp_create(adapter_t *adapter, struct tp_params *p)
|
|
{
|
|
struct petp *tp = kzalloc(sizeof(*tp), GFP_KERNEL);
|
|
|
|
if (!tp)
|
|
return NULL;
|
|
|
|
tp->adapter = adapter;
|
|
|
|
return tp;
|
|
}
|
|
|
|
void t1_tp_intr_enable(struct petp *tp)
|
|
{
|
|
u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE);
|
|
|
|
#ifdef CONFIG_CHELSIO_T1_1G
|
|
if (!t1_is_asic(tp->adapter)) {
|
|
/* FPGA */
|
|
writel(0xffffffff,
|
|
tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE);
|
|
writel(tp_intr | FPGA_PCIX_INTERRUPT_TP,
|
|
tp->adapter->regs + A_PL_ENABLE);
|
|
} else
|
|
#endif
|
|
{
|
|
/* We don't use any TP interrupts */
|
|
writel(0, tp->adapter->regs + A_TP_INT_ENABLE);
|
|
writel(tp_intr | F_PL_INTR_TP,
|
|
tp->adapter->regs + A_PL_ENABLE);
|
|
}
|
|
}
|
|
|
|
void t1_tp_intr_disable(struct petp *tp)
|
|
{
|
|
u32 tp_intr = readl(tp->adapter->regs + A_PL_ENABLE);
|
|
|
|
#ifdef CONFIG_CHELSIO_T1_1G
|
|
if (!t1_is_asic(tp->adapter)) {
|
|
/* FPGA */
|
|
writel(0, tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_ENABLE);
|
|
writel(tp_intr & ~FPGA_PCIX_INTERRUPT_TP,
|
|
tp->adapter->regs + A_PL_ENABLE);
|
|
} else
|
|
#endif
|
|
{
|
|
writel(0, tp->adapter->regs + A_TP_INT_ENABLE);
|
|
writel(tp_intr & ~F_PL_INTR_TP,
|
|
tp->adapter->regs + A_PL_ENABLE);
|
|
}
|
|
}
|
|
|
|
void t1_tp_intr_clear(struct petp *tp)
|
|
{
|
|
#ifdef CONFIG_CHELSIO_T1_1G
|
|
if (!t1_is_asic(tp->adapter)) {
|
|
writel(0xffffffff,
|
|
tp->adapter->regs + FPGA_TP_ADDR_INTERRUPT_CAUSE);
|
|
writel(FPGA_PCIX_INTERRUPT_TP, tp->adapter->regs + A_PL_CAUSE);
|
|
return;
|
|
}
|
|
#endif
|
|
writel(0xffffffff, tp->adapter->regs + A_TP_INT_CAUSE);
|
|
writel(F_PL_INTR_TP, tp->adapter->regs + A_PL_CAUSE);
|
|
}
|
|
|
|
int t1_tp_intr_handler(struct petp *tp)
|
|
{
|
|
u32 cause;
|
|
|
|
#ifdef CONFIG_CHELSIO_T1_1G
|
|
/* FPGA doesn't support TP interrupts. */
|
|
if (!t1_is_asic(tp->adapter))
|
|
return 1;
|
|
#endif
|
|
|
|
cause = readl(tp->adapter->regs + A_TP_INT_CAUSE);
|
|
writel(cause, tp->adapter->regs + A_TP_INT_CAUSE);
|
|
return 0;
|
|
}
|
|
|
|
static void set_csum_offload(struct petp *tp, u32 csum_bit, int enable)
|
|
{
|
|
u32 val = readl(tp->adapter->regs + A_TP_GLOBAL_CONFIG);
|
|
|
|
if (enable)
|
|
val |= csum_bit;
|
|
else
|
|
val &= ~csum_bit;
|
|
writel(val, tp->adapter->regs + A_TP_GLOBAL_CONFIG);
|
|
}
|
|
|
|
void t1_tp_set_ip_checksum_offload(struct petp *tp, int enable)
|
|
{
|
|
set_csum_offload(tp, F_IP_CSUM, enable);
|
|
}
|
|
|
|
void t1_tp_set_tcp_checksum_offload(struct petp *tp, int enable)
|
|
{
|
|
set_csum_offload(tp, F_TCP_CSUM, enable);
|
|
}
|
|
|
|
/*
|
|
* Initialize TP state. tp_params contains initial settings for some TP
|
|
* parameters, particularly the one-time PM and CM settings.
|
|
*/
|
|
int t1_tp_reset(struct petp *tp, struct tp_params *p, unsigned int tp_clk)
|
|
{
|
|
adapter_t *adapter = tp->adapter;
|
|
|
|
tp_init(adapter, p, tp_clk);
|
|
writel(F_TP_RESET, adapter->regs + A_TP_RESET);
|
|
return 0;
|
|
}
|