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linux/drivers/net/bna/bna_ctrl.c

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/*
* Linux network driver for Brocade Converged Network Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* 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 GNU
* General Public License for more details.
*/
/*
* Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*/
#include "bna.h"
#include "bfa_sm.h"
#include "bfa_wc.h"
static void bna_device_cb_port_stopped(void *arg, enum bna_cb_status status);
static void
bna_port_cb_link_up(struct bna_port *port, struct bfi_ll_aen *aen,
int status)
{
int i;
u8 prio_map;
port->llport.link_status = BNA_LINK_UP;
if (aen->cee_linkup)
port->llport.link_status = BNA_CEE_UP;
/* Compute the priority */
prio_map = aen->prio_map;
if (prio_map) {
for (i = 0; i < 8; i++) {
if ((prio_map >> i) & 0x1)
break;
}
port->priority = i;
} else
port->priority = 0;
/* Dispatch events */
bna_tx_mod_cee_link_status(&port->bna->tx_mod, aen->cee_linkup);
bna_tx_mod_prio_changed(&port->bna->tx_mod, port->priority);
port->link_cbfn(port->bna->bnad, port->llport.link_status);
}
static void
bna_port_cb_link_down(struct bna_port *port, int status)
{
port->llport.link_status = BNA_LINK_DOWN;
/* Dispatch events */
bna_tx_mod_cee_link_status(&port->bna->tx_mod, BNA_LINK_DOWN);
port->link_cbfn(port->bna->bnad, BNA_LINK_DOWN);
}
static inline int
llport_can_be_up(struct bna_llport *llport)
{
int ready = 0;
if (llport->type == BNA_PORT_T_REGULAR)
ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) &&
(llport->flags & BNA_LLPORT_F_RX_STARTED) &&
(llport->flags & BNA_LLPORT_F_PORT_ENABLED));
else
ready = ((llport->flags & BNA_LLPORT_F_ADMIN_UP) &&
(llport->flags & BNA_LLPORT_F_RX_STARTED) &&
!(llport->flags & BNA_LLPORT_F_PORT_ENABLED));
return ready;
}
#define llport_is_up llport_can_be_up
enum bna_llport_event {
LLPORT_E_START = 1,
LLPORT_E_STOP = 2,
LLPORT_E_FAIL = 3,
LLPORT_E_UP = 4,
LLPORT_E_DOWN = 5,
LLPORT_E_FWRESP_UP_OK = 6,
LLPORT_E_FWRESP_UP_FAIL = 7,
LLPORT_E_FWRESP_DOWN = 8
};
static void
bna_llport_cb_port_enabled(struct bna_llport *llport)
{
llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
if (llport_can_be_up(llport))
bfa_fsm_send_event(llport, LLPORT_E_UP);
}
static void
bna_llport_cb_port_disabled(struct bna_llport *llport)
{
int llport_up = llport_is_up(llport);
llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
if (llport_up)
bfa_fsm_send_event(llport, LLPORT_E_DOWN);
}
/**
* MBOX
*/
static int
bna_is_aen(u8 msg_id)
{
switch (msg_id) {
case BFI_LL_I2H_LINK_DOWN_AEN:
case BFI_LL_I2H_LINK_UP_AEN:
case BFI_LL_I2H_PORT_ENABLE_AEN:
case BFI_LL_I2H_PORT_DISABLE_AEN:
return 1;
default:
return 0;
}
}
static void
bna_mbox_aen_callback(struct bna *bna, struct bfi_mbmsg *msg)
{
struct bfi_ll_aen *aen = (struct bfi_ll_aen *)(msg);
switch (aen->mh.msg_id) {
case BFI_LL_I2H_LINK_UP_AEN:
bna_port_cb_link_up(&bna->port, aen, aen->reason);
break;
case BFI_LL_I2H_LINK_DOWN_AEN:
bna_port_cb_link_down(&bna->port, aen->reason);
break;
case BFI_LL_I2H_PORT_ENABLE_AEN:
bna_llport_cb_port_enabled(&bna->port.llport);
break;
case BFI_LL_I2H_PORT_DISABLE_AEN:
bna_llport_cb_port_disabled(&bna->port.llport);
break;
default:
break;
}
}
static void
bna_ll_isr(void *llarg, struct bfi_mbmsg *msg)
{
struct bna *bna = (struct bna *)(llarg);
struct bfi_ll_rsp *mb_rsp = (struct bfi_ll_rsp *)(msg);
struct bfi_mhdr *cmd_h, *rsp_h;
struct bna_mbox_qe *mb_qe = NULL;
int to_post = 0;
u8 aen = 0;
char message[BNA_MESSAGE_SIZE];
aen = bna_is_aen(mb_rsp->mh.msg_id);
if (!aen) {
mb_qe = bfa_q_first(&bna->mbox_mod.posted_q);
cmd_h = (struct bfi_mhdr *)(&mb_qe->cmd.msg[0]);
rsp_h = (struct bfi_mhdr *)(&mb_rsp->mh);
if ((BFA_I2HM(cmd_h->msg_id) == rsp_h->msg_id) &&
(cmd_h->mtag.i2htok == rsp_h->mtag.i2htok)) {
/* Remove the request from posted_q, update state */
list_del(&mb_qe->qe);
bna->mbox_mod.msg_pending--;
if (list_empty(&bna->mbox_mod.posted_q))
bna->mbox_mod.state = BNA_MBOX_FREE;
else
to_post = 1;
/* Dispatch the cbfn */
if (mb_qe->cbfn)
mb_qe->cbfn(mb_qe->cbarg, mb_rsp->error);
/* Post the next entry, if needed */
if (to_post) {
mb_qe = bfa_q_first(&bna->mbox_mod.posted_q);
bfa_nw_ioc_mbox_queue(&bna->device.ioc,
&mb_qe->cmd);
}
} else {
snprintf(message, BNA_MESSAGE_SIZE,
"No matching rsp for [%d:%d:%d]\n",
mb_rsp->mh.msg_class, mb_rsp->mh.msg_id,
mb_rsp->mh.mtag.i2htok);
pr_info("%s", message);
}
} else
bna_mbox_aen_callback(bna, msg);
}
static void
bna_err_handler(struct bna *bna, u32 intr_status)
{
u32 init_halt;
if (intr_status & __HALT_STATUS_BITS) {
init_halt = readl(bna->device.ioc.ioc_regs.ll_halt);
init_halt &= ~__FW_INIT_HALT_P;
writel(init_halt, bna->device.ioc.ioc_regs.ll_halt);
}
bfa_nw_ioc_error_isr(&bna->device.ioc);
}
void
bna_mbox_handler(struct bna *bna, u32 intr_status)
{
if (BNA_IS_ERR_INTR(intr_status)) {
bna_err_handler(bna, intr_status);
return;
}
if (BNA_IS_MBOX_INTR(intr_status))
bfa_nw_ioc_mbox_isr(&bna->device.ioc);
}
void
bna_mbox_send(struct bna *bna, struct bna_mbox_qe *mbox_qe)
{
struct bfi_mhdr *mh;
mh = (struct bfi_mhdr *)(&mbox_qe->cmd.msg[0]);
mh->mtag.i2htok = htons(bna->mbox_mod.msg_ctr);
bna->mbox_mod.msg_ctr++;
bna->mbox_mod.msg_pending++;
if (bna->mbox_mod.state == BNA_MBOX_FREE) {
list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q);
bfa_nw_ioc_mbox_queue(&bna->device.ioc, &mbox_qe->cmd);
bna->mbox_mod.state = BNA_MBOX_POSTED;
} else {
list_add_tail(&mbox_qe->qe, &bna->mbox_mod.posted_q);
}
}
static void
bna_mbox_flush_q(struct bna *bna, struct list_head *q)
{
struct bna_mbox_qe *mb_qe = NULL;
struct bfi_mhdr *cmd_h;
struct list_head *mb_q;
void (*cbfn)(void *arg, int status);
void *cbarg;
mb_q = &bna->mbox_mod.posted_q;
while (!list_empty(mb_q)) {
bfa_q_deq(mb_q, &mb_qe);
cbfn = mb_qe->cbfn;
cbarg = mb_qe->cbarg;
bfa_q_qe_init(mb_qe);
bna->mbox_mod.msg_pending--;
cmd_h = (struct bfi_mhdr *)(&mb_qe->cmd.msg[0]);
if (cbfn)
cbfn(cbarg, BNA_CB_NOT_EXEC);
}
bna->mbox_mod.state = BNA_MBOX_FREE;
}
static void
bna_mbox_mod_start(struct bna_mbox_mod *mbox_mod)
{
}
static void
bna_mbox_mod_stop(struct bna_mbox_mod *mbox_mod)
{
bna_mbox_flush_q(mbox_mod->bna, &mbox_mod->posted_q);
}
static void
bna_mbox_mod_init(struct bna_mbox_mod *mbox_mod, struct bna *bna)
{
bfa_nw_ioc_mbox_regisr(&bna->device.ioc, BFI_MC_LL, bna_ll_isr, bna);
mbox_mod->state = BNA_MBOX_FREE;
mbox_mod->msg_ctr = mbox_mod->msg_pending = 0;
INIT_LIST_HEAD(&mbox_mod->posted_q);
mbox_mod->bna = bna;
}
static void
bna_mbox_mod_uninit(struct bna_mbox_mod *mbox_mod)
{
mbox_mod->bna = NULL;
}
/**
* LLPORT
*/
#define call_llport_stop_cbfn(llport, status)\
do {\
if ((llport)->stop_cbfn)\
(llport)->stop_cbfn(&(llport)->bna->port, status);\
(llport)->stop_cbfn = NULL;\
} while (0)
static void bna_fw_llport_up(struct bna_llport *llport);
static void bna_fw_cb_llport_up(void *arg, int status);
static void bna_fw_llport_down(struct bna_llport *llport);
static void bna_fw_cb_llport_down(void *arg, int status);
static void bna_llport_start(struct bna_llport *llport);
static void bna_llport_stop(struct bna_llport *llport);
static void bna_llport_fail(struct bna_llport *llport);
enum bna_llport_state {
BNA_LLPORT_STOPPED = 1,
BNA_LLPORT_DOWN = 2,
BNA_LLPORT_UP_RESP_WAIT = 3,
BNA_LLPORT_DOWN_RESP_WAIT = 4,
BNA_LLPORT_UP = 5,
BNA_LLPORT_LAST_RESP_WAIT = 6
};
bfa_fsm_state_decl(bna_llport, stopped, struct bna_llport,
enum bna_llport_event);
bfa_fsm_state_decl(bna_llport, down, struct bna_llport,
enum bna_llport_event);
bfa_fsm_state_decl(bna_llport, up_resp_wait, struct bna_llport,
enum bna_llport_event);
bfa_fsm_state_decl(bna_llport, down_resp_wait, struct bna_llport,
enum bna_llport_event);
bfa_fsm_state_decl(bna_llport, up, struct bna_llport,
enum bna_llport_event);
bfa_fsm_state_decl(bna_llport, last_resp_wait, struct bna_llport,
enum bna_llport_event);
static struct bfa_sm_table llport_sm_table[] = {
{BFA_SM(bna_llport_sm_stopped), BNA_LLPORT_STOPPED},
{BFA_SM(bna_llport_sm_down), BNA_LLPORT_DOWN},
{BFA_SM(bna_llport_sm_up_resp_wait), BNA_LLPORT_UP_RESP_WAIT},
{BFA_SM(bna_llport_sm_down_resp_wait), BNA_LLPORT_DOWN_RESP_WAIT},
{BFA_SM(bna_llport_sm_up), BNA_LLPORT_UP},
{BFA_SM(bna_llport_sm_last_resp_wait), BNA_LLPORT_LAST_RESP_WAIT}
};
static void
bna_llport_sm_stopped_entry(struct bna_llport *llport)
{
llport->bna->port.link_cbfn((llport)->bna->bnad, BNA_LINK_DOWN);
call_llport_stop_cbfn(llport, BNA_CB_SUCCESS);
}
static void
bna_llport_sm_stopped(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_START:
bfa_fsm_set_state(llport, bna_llport_sm_down);
break;
case LLPORT_E_STOP:
call_llport_stop_cbfn(llport, BNA_CB_SUCCESS);
break;
case LLPORT_E_FAIL:
break;
case LLPORT_E_DOWN:
/* This event is received due to Rx objects failing */
/* No-op */
break;
case LLPORT_E_FWRESP_UP_OK:
case LLPORT_E_FWRESP_DOWN:
/**
* These events are received due to flushing of mbox when
* device fails
*/
/* No-op */
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_llport_sm_down_entry(struct bna_llport *llport)
{
bnad_cb_port_link_status((llport)->bna->bnad, BNA_LINK_DOWN);
}
static void
bna_llport_sm_down(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_STOP:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_UP:
bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait);
bna_fw_llport_up(llport);
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_llport_sm_up_resp_wait_entry(struct bna_llport *llport)
{
BUG_ON(!llport_can_be_up(llport));
/**
* NOTE: Do not call bna_fw_llport_up() here. That will over step
* mbox due to down_resp_wait -> up_resp_wait transition on event
* LLPORT_E_UP
*/
}
static void
bna_llport_sm_up_resp_wait(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_STOP:
bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
break;
case LLPORT_E_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_DOWN:
bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait);
break;
case LLPORT_E_FWRESP_UP_OK:
bfa_fsm_set_state(llport, bna_llport_sm_up);
break;
case LLPORT_E_FWRESP_UP_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_down);
break;
case LLPORT_E_FWRESP_DOWN:
/* down_resp_wait -> up_resp_wait transition on LLPORT_E_UP */
bna_fw_llport_up(llport);
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_llport_sm_down_resp_wait_entry(struct bna_llport *llport)
{
/**
* NOTE: Do not call bna_fw_llport_down() here. That will over step
* mbox due to up_resp_wait -> down_resp_wait transition on event
* LLPORT_E_DOWN
*/
}
static void
bna_llport_sm_down_resp_wait(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_STOP:
bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
break;
case LLPORT_E_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_UP:
bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait);
break;
case LLPORT_E_FWRESP_UP_OK:
/* up_resp_wait->down_resp_wait transition on LLPORT_E_DOWN */
bna_fw_llport_down(llport);
break;
case LLPORT_E_FWRESP_UP_FAIL:
case LLPORT_E_FWRESP_DOWN:
bfa_fsm_set_state(llport, bna_llport_sm_down);
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_llport_sm_up_entry(struct bna_llport *llport)
{
}
static void
bna_llport_sm_up(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_STOP:
bfa_fsm_set_state(llport, bna_llport_sm_last_resp_wait);
bna_fw_llport_down(llport);
break;
case LLPORT_E_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_DOWN:
bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait);
bna_fw_llport_down(llport);
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_llport_sm_last_resp_wait_entry(struct bna_llport *llport)
{
}
static void
bna_llport_sm_last_resp_wait(struct bna_llport *llport,
enum bna_llport_event event)
{
switch (event) {
case LLPORT_E_FAIL:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
case LLPORT_E_DOWN:
/**
* This event is received due to Rx objects stopping in
* parallel to llport
*/
/* No-op */
break;
case LLPORT_E_FWRESP_UP_OK:
/* up_resp_wait->last_resp_wait transition on LLPORT_T_STOP */
bna_fw_llport_down(llport);
break;
case LLPORT_E_FWRESP_UP_FAIL:
case LLPORT_E_FWRESP_DOWN:
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
break;
default:
bfa_sm_fault(llport->bna, event);
}
}
static void
bna_fw_llport_admin_up(struct bna_llport *llport)
{
struct bfi_ll_port_admin_req ll_req;
memset(&ll_req, 0, sizeof(ll_req));
ll_req.mh.msg_class = BFI_MC_LL;
ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ;
ll_req.mh.mtag.h2i.lpu_id = 0;
ll_req.up = BNA_STATUS_T_ENABLED;
bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req),
bna_fw_cb_llport_up, llport);
bna_mbox_send(llport->bna, &llport->mbox_qe);
}
static void
bna_fw_llport_up(struct bna_llport *llport)
{
if (llport->type == BNA_PORT_T_REGULAR)
bna_fw_llport_admin_up(llport);
}
static void
bna_fw_cb_llport_up(void *arg, int status)
{
struct bna_llport *llport = (struct bna_llport *)arg;
bfa_q_qe_init(&llport->mbox_qe.qe);
if (status == BFI_LL_CMD_FAIL) {
if (llport->type == BNA_PORT_T_REGULAR)
llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
else
llport->flags &= ~BNA_LLPORT_F_ADMIN_UP;
bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_FAIL);
} else
bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP_OK);
}
static void
bna_fw_llport_admin_down(struct bna_llport *llport)
{
struct bfi_ll_port_admin_req ll_req;
memset(&ll_req, 0, sizeof(ll_req));
ll_req.mh.msg_class = BFI_MC_LL;
ll_req.mh.msg_id = BFI_LL_H2I_PORT_ADMIN_REQ;
ll_req.mh.mtag.h2i.lpu_id = 0;
ll_req.up = BNA_STATUS_T_DISABLED;
bna_mbox_qe_fill(&llport->mbox_qe, &ll_req, sizeof(ll_req),
bna_fw_cb_llport_down, llport);
bna_mbox_send(llport->bna, &llport->mbox_qe);
}
static void
bna_fw_llport_down(struct bna_llport *llport)
{
if (llport->type == BNA_PORT_T_REGULAR)
bna_fw_llport_admin_down(llport);
}
static void
bna_fw_cb_llport_down(void *arg, int status)
{
struct bna_llport *llport = (struct bna_llport *)arg;
bfa_q_qe_init(&llport->mbox_qe.qe);
bfa_fsm_send_event(llport, LLPORT_E_FWRESP_DOWN);
}
static void
bna_port_cb_llport_stopped(struct bna_port *port,
enum bna_cb_status status)
{
bfa_wc_down(&port->chld_stop_wc);
}
static void
bna_llport_init(struct bna_llport *llport, struct bna *bna)
{
llport->flags |= BNA_LLPORT_F_ADMIN_UP;
llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
llport->type = BNA_PORT_T_REGULAR;
llport->bna = bna;
llport->link_status = BNA_LINK_DOWN;
llport->rx_started_count = 0;
llport->stop_cbfn = NULL;
bfa_q_qe_init(&llport->mbox_qe.qe);
bfa_fsm_set_state(llport, bna_llport_sm_stopped);
}
static void
bna_llport_uninit(struct bna_llport *llport)
{
llport->flags &= ~BNA_LLPORT_F_ADMIN_UP;
llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED;
llport->bna = NULL;
}
static void
bna_llport_start(struct bna_llport *llport)
{
bfa_fsm_send_event(llport, LLPORT_E_START);
}
static void
bna_llport_stop(struct bna_llport *llport)
{
llport->stop_cbfn = bna_port_cb_llport_stopped;
bfa_fsm_send_event(llport, LLPORT_E_STOP);
}
static void
bna_llport_fail(struct bna_llport *llport)
{
/* Reset the physical port status to enabled */
llport->flags |= BNA_LLPORT_F_PORT_ENABLED;
bfa_fsm_send_event(llport, LLPORT_E_FAIL);
}
static int
bna_llport_state_get(struct bna_llport *llport)
{
return bfa_sm_to_state(llport_sm_table, llport->fsm);
}
void
bna_llport_rx_started(struct bna_llport *llport)
{
llport->rx_started_count++;
if (llport->rx_started_count == 1) {
llport->flags |= BNA_LLPORT_F_RX_STARTED;
if (llport_can_be_up(llport))
bfa_fsm_send_event(llport, LLPORT_E_UP);
}
}
void
bna_llport_rx_stopped(struct bna_llport *llport)
{
int llport_up = llport_is_up(llport);
llport->rx_started_count--;
if (llport->rx_started_count == 0) {
llport->flags &= ~BNA_LLPORT_F_RX_STARTED;
if (llport_up)
bfa_fsm_send_event(llport, LLPORT_E_DOWN);
}
}
/**
* PORT
*/
#define bna_port_chld_start(port)\
do {\
enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\
enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
bna_llport_start(&(port)->llport);\
bna_tx_mod_start(&(port)->bna->tx_mod, tx_type);\
bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\
} while (0)
#define bna_port_chld_stop(port)\
do {\
enum bna_tx_type tx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_TX_T_REGULAR : BNA_TX_T_LOOPBACK;\
enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
bfa_wc_up(&(port)->chld_stop_wc);\
bfa_wc_up(&(port)->chld_stop_wc);\
bfa_wc_up(&(port)->chld_stop_wc);\
bna_llport_stop(&(port)->llport);\
bna_tx_mod_stop(&(port)->bna->tx_mod, tx_type);\
bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\
} while (0)
#define bna_port_chld_fail(port)\
do {\
bna_llport_fail(&(port)->llport);\
bna_tx_mod_fail(&(port)->bna->tx_mod);\
bna_rx_mod_fail(&(port)->bna->rx_mod);\
} while (0)
#define bna_port_rx_start(port)\
do {\
enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
bna_rx_mod_start(&(port)->bna->rx_mod, rx_type);\
} while (0)
#define bna_port_rx_stop(port)\
do {\
enum bna_rx_type rx_type = ((port)->type == BNA_PORT_T_REGULAR) ?\
BNA_RX_T_REGULAR : BNA_RX_T_LOOPBACK;\
bfa_wc_up(&(port)->chld_stop_wc);\
bna_rx_mod_stop(&(port)->bna->rx_mod, rx_type);\
} while (0)
#define call_port_stop_cbfn(port, status)\
do {\
if ((port)->stop_cbfn)\
(port)->stop_cbfn((port)->stop_cbarg, status);\
(port)->stop_cbfn = NULL;\
(port)->stop_cbarg = NULL;\
} while (0)
#define call_port_pause_cbfn(port, status)\
do {\
if ((port)->pause_cbfn)\
(port)->pause_cbfn((port)->bna->bnad, status);\
(port)->pause_cbfn = NULL;\
} while (0)
#define call_port_mtu_cbfn(port, status)\
do {\
if ((port)->mtu_cbfn)\
(port)->mtu_cbfn((port)->bna->bnad, status);\
(port)->mtu_cbfn = NULL;\
} while (0)
static void bna_fw_pause_set(struct bna_port *port);
static void bna_fw_cb_pause_set(void *arg, int status);
static void bna_fw_mtu_set(struct bna_port *port);
static void bna_fw_cb_mtu_set(void *arg, int status);
enum bna_port_event {
PORT_E_START = 1,
PORT_E_STOP = 2,
PORT_E_FAIL = 3,
PORT_E_PAUSE_CFG = 4,
PORT_E_MTU_CFG = 5,
PORT_E_CHLD_STOPPED = 6,
PORT_E_FWRESP_PAUSE = 7,
PORT_E_FWRESP_MTU = 8
};
enum bna_port_state {
BNA_PORT_STOPPED = 1,
BNA_PORT_MTU_INIT_WAIT = 2,
BNA_PORT_PAUSE_INIT_WAIT = 3,
BNA_PORT_LAST_RESP_WAIT = 4,
BNA_PORT_STARTED = 5,
BNA_PORT_PAUSE_CFG_WAIT = 6,
BNA_PORT_RX_STOP_WAIT = 7,
BNA_PORT_MTU_CFG_WAIT = 8,
BNA_PORT_CHLD_STOP_WAIT = 9
};
bfa_fsm_state_decl(bna_port, stopped, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, mtu_init_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, pause_init_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, last_resp_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, started, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, pause_cfg_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, rx_stop_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, mtu_cfg_wait, struct bna_port,
enum bna_port_event);
bfa_fsm_state_decl(bna_port, chld_stop_wait, struct bna_port,
enum bna_port_event);
static struct bfa_sm_table port_sm_table[] = {
{BFA_SM(bna_port_sm_stopped), BNA_PORT_STOPPED},
{BFA_SM(bna_port_sm_mtu_init_wait), BNA_PORT_MTU_INIT_WAIT},
{BFA_SM(bna_port_sm_pause_init_wait), BNA_PORT_PAUSE_INIT_WAIT},
{BFA_SM(bna_port_sm_last_resp_wait), BNA_PORT_LAST_RESP_WAIT},
{BFA_SM(bna_port_sm_started), BNA_PORT_STARTED},
{BFA_SM(bna_port_sm_pause_cfg_wait), BNA_PORT_PAUSE_CFG_WAIT},
{BFA_SM(bna_port_sm_rx_stop_wait), BNA_PORT_RX_STOP_WAIT},
{BFA_SM(bna_port_sm_mtu_cfg_wait), BNA_PORT_MTU_CFG_WAIT},
{BFA_SM(bna_port_sm_chld_stop_wait), BNA_PORT_CHLD_STOP_WAIT}
};
static void
bna_port_sm_stopped_entry(struct bna_port *port)
{
call_port_pause_cbfn(port, BNA_CB_SUCCESS);
call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
call_port_stop_cbfn(port, BNA_CB_SUCCESS);
}
static void
bna_port_sm_stopped(struct bna_port *port, enum bna_port_event event)
{
switch (event) {
case PORT_E_START:
bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait);
break;
case PORT_E_STOP:
call_port_stop_cbfn(port, BNA_CB_SUCCESS);
break;
case PORT_E_FAIL:
/* No-op */
break;
case PORT_E_PAUSE_CFG:
call_port_pause_cbfn(port, BNA_CB_SUCCESS);
break;
case PORT_E_MTU_CFG:
call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
break;
case PORT_E_CHLD_STOPPED:
/**
* This event is received due to LLPort, Tx and Rx objects
* failing
*/
/* No-op */
break;
case PORT_E_FWRESP_PAUSE:
case PORT_E_FWRESP_MTU:
/**
* These events are received due to flushing of mbox when
* device fails
*/
/* No-op */
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_mtu_init_wait_entry(struct bna_port *port)
{
bna_fw_mtu_set(port);
}
static void
bna_port_sm_mtu_init_wait(struct bna_port *port, enum bna_port_event event)
{
switch (event) {
case PORT_E_STOP:
bfa_fsm_set_state(port, bna_port_sm_last_resp_wait);
break;
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
break;
case PORT_E_PAUSE_CFG:
/* No-op */
break;
case PORT_E_MTU_CFG:
port->flags |= BNA_PORT_F_MTU_CHANGED;
break;
case PORT_E_FWRESP_MTU:
if (port->flags & BNA_PORT_F_MTU_CHANGED) {
port->flags &= ~BNA_PORT_F_MTU_CHANGED;
bna_fw_mtu_set(port);
} else {
bfa_fsm_set_state(port, bna_port_sm_pause_init_wait);
}
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_pause_init_wait_entry(struct bna_port *port)
{
bna_fw_pause_set(port);
}
static void
bna_port_sm_pause_init_wait(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_STOP:
bfa_fsm_set_state(port, bna_port_sm_last_resp_wait);
break;
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
break;
case PORT_E_PAUSE_CFG:
port->flags |= BNA_PORT_F_PAUSE_CHANGED;
break;
case PORT_E_MTU_CFG:
port->flags |= BNA_PORT_F_MTU_CHANGED;
break;
case PORT_E_FWRESP_PAUSE:
if (port->flags & BNA_PORT_F_PAUSE_CHANGED) {
port->flags &= ~BNA_PORT_F_PAUSE_CHANGED;
bna_fw_pause_set(port);
} else if (port->flags & BNA_PORT_F_MTU_CHANGED) {
port->flags &= ~BNA_PORT_F_MTU_CHANGED;
bfa_fsm_set_state(port, bna_port_sm_mtu_init_wait);
} else {
bfa_fsm_set_state(port, bna_port_sm_started);
bna_port_chld_start(port);
}
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_last_resp_wait_entry(struct bna_port *port)
{
}
static void
bna_port_sm_last_resp_wait(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_FAIL:
case PORT_E_FWRESP_PAUSE:
case PORT_E_FWRESP_MTU:
bfa_fsm_set_state(port, bna_port_sm_stopped);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_started_entry(struct bna_port *port)
{
/**
* NOTE: Do not call bna_port_chld_start() here, since it will be
* inadvertently called during pause_cfg_wait->started transition
* as well
*/
call_port_pause_cbfn(port, BNA_CB_SUCCESS);
call_port_mtu_cbfn(port, BNA_CB_SUCCESS);
}
static void
bna_port_sm_started(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_STOP:
bfa_fsm_set_state(port, bna_port_sm_chld_stop_wait);
break;
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_port_chld_fail(port);
break;
case PORT_E_PAUSE_CFG:
bfa_fsm_set_state(port, bna_port_sm_pause_cfg_wait);
break;
case PORT_E_MTU_CFG:
bfa_fsm_set_state(port, bna_port_sm_rx_stop_wait);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_pause_cfg_wait_entry(struct bna_port *port)
{
bna_fw_pause_set(port);
}
static void
bna_port_sm_pause_cfg_wait(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_port_chld_fail(port);
break;
case PORT_E_FWRESP_PAUSE:
bfa_fsm_set_state(port, bna_port_sm_started);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_rx_stop_wait_entry(struct bna_port *port)
{
bna_port_rx_stop(port);
}
static void
bna_port_sm_rx_stop_wait(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_port_chld_fail(port);
break;
case PORT_E_CHLD_STOPPED:
bfa_fsm_set_state(port, bna_port_sm_mtu_cfg_wait);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_mtu_cfg_wait_entry(struct bna_port *port)
{
bna_fw_mtu_set(port);
}
static void
bna_port_sm_mtu_cfg_wait(struct bna_port *port, enum bna_port_event event)
{
switch (event) {
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_port_chld_fail(port);
break;
case PORT_E_FWRESP_MTU:
bfa_fsm_set_state(port, bna_port_sm_started);
bna_port_rx_start(port);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_port_sm_chld_stop_wait_entry(struct bna_port *port)
{
bna_port_chld_stop(port);
}
static void
bna_port_sm_chld_stop_wait(struct bna_port *port,
enum bna_port_event event)
{
switch (event) {
case PORT_E_FAIL:
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_port_chld_fail(port);
break;
case PORT_E_CHLD_STOPPED:
bfa_fsm_set_state(port, bna_port_sm_stopped);
break;
default:
bfa_sm_fault(port->bna, event);
}
}
static void
bna_fw_pause_set(struct bna_port *port)
{
struct bfi_ll_set_pause_req ll_req;
memset(&ll_req, 0, sizeof(ll_req));
ll_req.mh.msg_class = BFI_MC_LL;
ll_req.mh.msg_id = BFI_LL_H2I_SET_PAUSE_REQ;
ll_req.mh.mtag.h2i.lpu_id = 0;
ll_req.tx_pause = port->pause_config.tx_pause;
ll_req.rx_pause = port->pause_config.rx_pause;
bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req),
bna_fw_cb_pause_set, port);
bna_mbox_send(port->bna, &port->mbox_qe);
}
static void
bna_fw_cb_pause_set(void *arg, int status)
{
struct bna_port *port = (struct bna_port *)arg;
bfa_q_qe_init(&port->mbox_qe.qe);
bfa_fsm_send_event(port, PORT_E_FWRESP_PAUSE);
}
void
bna_fw_mtu_set(struct bna_port *port)
{
struct bfi_ll_mtu_info_req ll_req;
bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_MTU_INFO_REQ, 0);
ll_req.mtu = htons((u16)port->mtu);
bna_mbox_qe_fill(&port->mbox_qe, &ll_req, sizeof(ll_req),
bna_fw_cb_mtu_set, port);
bna_mbox_send(port->bna, &port->mbox_qe);
}
void
bna_fw_cb_mtu_set(void *arg, int status)
{
struct bna_port *port = (struct bna_port *)arg;
bfa_q_qe_init(&port->mbox_qe.qe);
bfa_fsm_send_event(port, PORT_E_FWRESP_MTU);
}
static void
bna_port_cb_chld_stopped(void *arg)
{
struct bna_port *port = (struct bna_port *)arg;
bfa_fsm_send_event(port, PORT_E_CHLD_STOPPED);
}
static void
bna_port_init(struct bna_port *port, struct bna *bna)
{
port->bna = bna;
port->flags = 0;
port->mtu = 0;
port->type = BNA_PORT_T_REGULAR;
port->link_cbfn = bnad_cb_port_link_status;
port->chld_stop_wc.wc_resume = bna_port_cb_chld_stopped;
port->chld_stop_wc.wc_cbarg = port;
port->chld_stop_wc.wc_count = 0;
port->stop_cbfn = NULL;
port->stop_cbarg = NULL;
port->pause_cbfn = NULL;
port->mtu_cbfn = NULL;
bfa_q_qe_init(&port->mbox_qe.qe);
bfa_fsm_set_state(port, bna_port_sm_stopped);
bna_llport_init(&port->llport, bna);
}
static void
bna_port_uninit(struct bna_port *port)
{
bna_llport_uninit(&port->llport);
port->flags = 0;
port->bna = NULL;
}
static int
bna_port_state_get(struct bna_port *port)
{
return bfa_sm_to_state(port_sm_table, port->fsm);
}
static void
bna_port_start(struct bna_port *port)
{
port->flags |= BNA_PORT_F_DEVICE_READY;
if (port->flags & BNA_PORT_F_ENABLED)
bfa_fsm_send_event(port, PORT_E_START);
}
static void
bna_port_stop(struct bna_port *port)
{
port->stop_cbfn = bna_device_cb_port_stopped;
port->stop_cbarg = &port->bna->device;
port->flags &= ~BNA_PORT_F_DEVICE_READY;
bfa_fsm_send_event(port, PORT_E_STOP);
}
static void
bna_port_fail(struct bna_port *port)
{
port->flags &= ~BNA_PORT_F_DEVICE_READY;
bfa_fsm_send_event(port, PORT_E_FAIL);
}
void
bna_port_cb_tx_stopped(struct bna_port *port, enum bna_cb_status status)
{
bfa_wc_down(&port->chld_stop_wc);
}
void
bna_port_cb_rx_stopped(struct bna_port *port, enum bna_cb_status status)
{
bfa_wc_down(&port->chld_stop_wc);
}
int
bna_port_mtu_get(struct bna_port *port)
{
return port->mtu;
}
void
bna_port_enable(struct bna_port *port)
{
if (port->fsm != (bfa_sm_t)bna_port_sm_stopped)
return;
port->flags |= BNA_PORT_F_ENABLED;
if (port->flags & BNA_PORT_F_DEVICE_READY)
bfa_fsm_send_event(port, PORT_E_START);
}
void
bna_port_disable(struct bna_port *port, enum bna_cleanup_type type,
void (*cbfn)(void *, enum bna_cb_status))
{
if (type == BNA_SOFT_CLEANUP) {
(*cbfn)(port->bna->bnad, BNA_CB_SUCCESS);
return;
}
port->stop_cbfn = cbfn;
port->stop_cbarg = port->bna->bnad;
port->flags &= ~BNA_PORT_F_ENABLED;
bfa_fsm_send_event(port, PORT_E_STOP);
}
void
bna_port_pause_config(struct bna_port *port,
struct bna_pause_config *pause_config,
void (*cbfn)(struct bnad *, enum bna_cb_status))
{
port->pause_config = *pause_config;
port->pause_cbfn = cbfn;
bfa_fsm_send_event(port, PORT_E_PAUSE_CFG);
}
void
bna_port_mtu_set(struct bna_port *port, int mtu,
void (*cbfn)(struct bnad *, enum bna_cb_status))
{
port->mtu = mtu;
port->mtu_cbfn = cbfn;
bfa_fsm_send_event(port, PORT_E_MTU_CFG);
}
void
bna_port_mac_get(struct bna_port *port, mac_t *mac)
{
*mac = bfa_nw_ioc_get_mac(&port->bna->device.ioc);
}
/**
* DEVICE
*/
#define enable_mbox_intr(_device)\
do {\
u32 intr_status;\
bna_intr_status_get((_device)->bna, intr_status);\
bnad_cb_device_enable_mbox_intr((_device)->bna->bnad);\
bna_mbox_intr_enable((_device)->bna);\
} while (0)
#define disable_mbox_intr(_device)\
do {\
bna_mbox_intr_disable((_device)->bna);\
bnad_cb_device_disable_mbox_intr((_device)->bna->bnad);\
} while (0)
static const struct bna_chip_regs_offset reg_offset[] =
{{HOST_PAGE_NUM_FN0, HOSTFN0_INT_STATUS,
HOSTFN0_INT_MASK, HOST_MSIX_ERR_INDEX_FN0},
{HOST_PAGE_NUM_FN1, HOSTFN1_INT_STATUS,
HOSTFN1_INT_MASK, HOST_MSIX_ERR_INDEX_FN1},
{HOST_PAGE_NUM_FN2, HOSTFN2_INT_STATUS,
HOSTFN2_INT_MASK, HOST_MSIX_ERR_INDEX_FN2},
{HOST_PAGE_NUM_FN3, HOSTFN3_INT_STATUS,
HOSTFN3_INT_MASK, HOST_MSIX_ERR_INDEX_FN3},
};
enum bna_device_event {
DEVICE_E_ENABLE = 1,
DEVICE_E_DISABLE = 2,
DEVICE_E_IOC_READY = 3,
DEVICE_E_IOC_FAILED = 4,
DEVICE_E_IOC_DISABLED = 5,
DEVICE_E_IOC_RESET = 6,
DEVICE_E_PORT_STOPPED = 7,
};
enum bna_device_state {
BNA_DEVICE_STOPPED = 1,
BNA_DEVICE_IOC_READY_WAIT = 2,
BNA_DEVICE_READY = 3,
BNA_DEVICE_PORT_STOP_WAIT = 4,
BNA_DEVICE_IOC_DISABLE_WAIT = 5,
BNA_DEVICE_FAILED = 6
};
bfa_fsm_state_decl(bna_device, stopped, struct bna_device,
enum bna_device_event);
bfa_fsm_state_decl(bna_device, ioc_ready_wait, struct bna_device,
enum bna_device_event);
bfa_fsm_state_decl(bna_device, ready, struct bna_device,
enum bna_device_event);
bfa_fsm_state_decl(bna_device, port_stop_wait, struct bna_device,
enum bna_device_event);
bfa_fsm_state_decl(bna_device, ioc_disable_wait, struct bna_device,
enum bna_device_event);
bfa_fsm_state_decl(bna_device, failed, struct bna_device,
enum bna_device_event);
static struct bfa_sm_table device_sm_table[] = {
{BFA_SM(bna_device_sm_stopped), BNA_DEVICE_STOPPED},
{BFA_SM(bna_device_sm_ioc_ready_wait), BNA_DEVICE_IOC_READY_WAIT},
{BFA_SM(bna_device_sm_ready), BNA_DEVICE_READY},
{BFA_SM(bna_device_sm_port_stop_wait), BNA_DEVICE_PORT_STOP_WAIT},
{BFA_SM(bna_device_sm_ioc_disable_wait), BNA_DEVICE_IOC_DISABLE_WAIT},
{BFA_SM(bna_device_sm_failed), BNA_DEVICE_FAILED},
};
static void
bna_device_sm_stopped_entry(struct bna_device *device)
{
if (device->stop_cbfn)
device->stop_cbfn(device->stop_cbarg, BNA_CB_SUCCESS);
device->stop_cbfn = NULL;
device->stop_cbarg = NULL;
}
static void
bna_device_sm_stopped(struct bna_device *device,
enum bna_device_event event)
{
switch (event) {
case DEVICE_E_ENABLE:
if (device->intr_type == BNA_INTR_T_MSIX)
bna_mbox_msix_idx_set(device);
bfa_nw_ioc_enable(&device->ioc);
bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait);
break;
case DEVICE_E_DISABLE:
bfa_fsm_set_state(device, bna_device_sm_stopped);
break;
case DEVICE_E_IOC_RESET:
enable_mbox_intr(device);
break;
case DEVICE_E_IOC_FAILED:
bfa_fsm_set_state(device, bna_device_sm_failed);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
static void
bna_device_sm_ioc_ready_wait_entry(struct bna_device *device)
{
/**
* Do not call bfa_ioc_enable() here. It must be called in the
* previous state due to failed -> ioc_ready_wait transition.
*/
}
static void
bna_device_sm_ioc_ready_wait(struct bna_device *device,
enum bna_device_event event)
{
switch (event) {
case DEVICE_E_DISABLE:
if (device->ready_cbfn)
device->ready_cbfn(device->ready_cbarg,
BNA_CB_INTERRUPT);
device->ready_cbfn = NULL;
device->ready_cbarg = NULL;
bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
break;
case DEVICE_E_IOC_READY:
bfa_fsm_set_state(device, bna_device_sm_ready);
break;
case DEVICE_E_IOC_FAILED:
bfa_fsm_set_state(device, bna_device_sm_failed);
break;
case DEVICE_E_IOC_RESET:
enable_mbox_intr(device);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
static void
bna_device_sm_ready_entry(struct bna_device *device)
{
bna_mbox_mod_start(&device->bna->mbox_mod);
bna_port_start(&device->bna->port);
if (device->ready_cbfn)
device->ready_cbfn(device->ready_cbarg,
BNA_CB_SUCCESS);
device->ready_cbfn = NULL;
device->ready_cbarg = NULL;
}
static void
bna_device_sm_ready(struct bna_device *device, enum bna_device_event event)
{
switch (event) {
case DEVICE_E_DISABLE:
bfa_fsm_set_state(device, bna_device_sm_port_stop_wait);
break;
case DEVICE_E_IOC_FAILED:
bfa_fsm_set_state(device, bna_device_sm_failed);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
static void
bna_device_sm_port_stop_wait_entry(struct bna_device *device)
{
bna_port_stop(&device->bna->port);
}
static void
bna_device_sm_port_stop_wait(struct bna_device *device,
enum bna_device_event event)
{
switch (event) {
case DEVICE_E_PORT_STOPPED:
bna_mbox_mod_stop(&device->bna->mbox_mod);
bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
break;
case DEVICE_E_IOC_FAILED:
disable_mbox_intr(device);
bna_port_fail(&device->bna->port);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
static void
bna_device_sm_ioc_disable_wait_entry(struct bna_device *device)
{
bfa_nw_ioc_disable(&device->ioc);
}
static void
bna_device_sm_ioc_disable_wait(struct bna_device *device,
enum bna_device_event event)
{
switch (event) {
case DEVICE_E_IOC_DISABLED:
disable_mbox_intr(device);
bfa_fsm_set_state(device, bna_device_sm_stopped);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
static void
bna_device_sm_failed_entry(struct bna_device *device)
{
disable_mbox_intr(device);
bna_port_fail(&device->bna->port);
bna_mbox_mod_stop(&device->bna->mbox_mod);
if (device->ready_cbfn)
device->ready_cbfn(device->ready_cbarg,
BNA_CB_FAIL);
device->ready_cbfn = NULL;
device->ready_cbarg = NULL;
}
static void
bna_device_sm_failed(struct bna_device *device,
enum bna_device_event event)
{
switch (event) {
case DEVICE_E_DISABLE:
bfa_fsm_set_state(device, bna_device_sm_ioc_disable_wait);
break;
case DEVICE_E_IOC_RESET:
enable_mbox_intr(device);
bfa_fsm_set_state(device, bna_device_sm_ioc_ready_wait);
break;
default:
bfa_sm_fault(device->bna, event);
}
}
/* IOC callback functions */
static void
bna_device_cb_iocll_ready(void *dev, enum bfa_status error)
{
struct bna_device *device = (struct bna_device *)dev;
if (error)
bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED);
else
bfa_fsm_send_event(device, DEVICE_E_IOC_READY);
}
static void
bna_device_cb_iocll_disabled(void *dev)
{
struct bna_device *device = (struct bna_device *)dev;
bfa_fsm_send_event(device, DEVICE_E_IOC_DISABLED);
}
static void
bna_device_cb_iocll_failed(void *dev)
{
struct bna_device *device = (struct bna_device *)dev;
bfa_fsm_send_event(device, DEVICE_E_IOC_FAILED);
}
static void
bna_device_cb_iocll_reset(void *dev)
{
struct bna_device *device = (struct bna_device *)dev;
bfa_fsm_send_event(device, DEVICE_E_IOC_RESET);
}
static struct bfa_ioc_cbfn bfa_iocll_cbfn = {
bna_device_cb_iocll_ready,
bna_device_cb_iocll_disabled,
bna_device_cb_iocll_failed,
bna_device_cb_iocll_reset
};
/* device */
static void
bna_adv_device_init(struct bna_device *device, struct bna *bna,
struct bna_res_info *res_info)
{
u8 *kva;
u64 dma;
device->bna = bna;
kva = res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mdl[0].kva;
/**
* Attach common modules (Diag, SFP, CEE, Port) and claim respective
* DMA memory.
*/
BNA_GET_DMA_ADDR(
&res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].dma, dma);
kva = res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mdl[0].kva;
bfa_nw_cee_attach(&bna->cee, &device->ioc, bna);
bfa_nw_cee_mem_claim(&bna->cee, kva, dma);
kva += bfa_nw_cee_meminfo();
dma += bfa_nw_cee_meminfo();
}
static void
bna_device_init(struct bna_device *device, struct bna *bna,
struct bna_res_info *res_info)
{
u64 dma;
device->bna = bna;
/**
* Attach IOC and claim:
* 1. DMA memory for IOC attributes
* 2. Kernel memory for FW trace
*/
bfa_nw_ioc_attach(&device->ioc, device, &bfa_iocll_cbfn);
bfa_nw_ioc_pci_init(&device->ioc, &bna->pcidev, BFI_MC_LL);
BNA_GET_DMA_ADDR(
&res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].dma, dma);
bfa_nw_ioc_mem_claim(&device->ioc,
res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mdl[0].kva,
dma);
bna_adv_device_init(device, bna, res_info);
/*
* Initialize mbox_mod only after IOC, so that mbox handler
* registration goes through
*/
device->intr_type =
res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type;
device->vector =
res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.idl[0].vector;
bna_mbox_mod_init(&bna->mbox_mod, bna);
device->ready_cbfn = device->stop_cbfn = NULL;
device->ready_cbarg = device->stop_cbarg = NULL;
bfa_fsm_set_state(device, bna_device_sm_stopped);
}
static void
bna_device_uninit(struct bna_device *device)
{
bna_mbox_mod_uninit(&device->bna->mbox_mod);
bfa_nw_ioc_detach(&device->ioc);
device->bna = NULL;
}
static void
bna_device_cb_port_stopped(void *arg, enum bna_cb_status status)
{
struct bna_device *device = (struct bna_device *)arg;
bfa_fsm_send_event(device, DEVICE_E_PORT_STOPPED);
}
static int
bna_device_status_get(struct bna_device *device)
{
return device->fsm == (bfa_fsm_t)bna_device_sm_ready;
}
void
bna_device_enable(struct bna_device *device)
{
if (device->fsm != (bfa_fsm_t)bna_device_sm_stopped) {
bnad_cb_device_enabled(device->bna->bnad, BNA_CB_BUSY);
return;
}
device->ready_cbfn = bnad_cb_device_enabled;
device->ready_cbarg = device->bna->bnad;
bfa_fsm_send_event(device, DEVICE_E_ENABLE);
}
void
bna_device_disable(struct bna_device *device, enum bna_cleanup_type type)
{
if (type == BNA_SOFT_CLEANUP) {
bnad_cb_device_disabled(device->bna->bnad, BNA_CB_SUCCESS);
return;
}
device->stop_cbfn = bnad_cb_device_disabled;
device->stop_cbarg = device->bna->bnad;
bfa_fsm_send_event(device, DEVICE_E_DISABLE);
}
static int
bna_device_state_get(struct bna_device *device)
{
return bfa_sm_to_state(device_sm_table, device->fsm);
}
const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = {
{12, 12},
{6, 10},
{5, 10},
{4, 8},
{3, 6},
{3, 6},
{2, 4},
{1, 2},
};
/* utils */
static void
bna_adv_res_req(struct bna_res_info *res_info)
{
/* DMA memory for COMMON_MODULE */
res_info[BNA_RES_MEM_T_COM].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_COM].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
res_info[BNA_RES_MEM_T_COM].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_COM].res_u.mem_info.len = ALIGN(
bfa_nw_cee_meminfo(), PAGE_SIZE);
/* Virtual memory for retreiving fw_trc */
res_info[BNA_RES_MEM_T_FWTRC].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.num = 0;
res_info[BNA_RES_MEM_T_FWTRC].res_u.mem_info.len = 0;
/* DMA memory for retreiving stats */
res_info[BNA_RES_MEM_T_STATS].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.len =
ALIGN(BFI_HW_STATS_SIZE, PAGE_SIZE);
/* Virtual memory for soft stats */
res_info[BNA_RES_MEM_T_SWSTATS].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mem_type = BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.len =
sizeof(struct bna_sw_stats);
}
static void
bna_sw_stats_get(struct bna *bna, struct bna_sw_stats *sw_stats)
{
struct bna_tx *tx;
struct bna_txq *txq;
struct bna_rx *rx;
struct bna_rxp *rxp;
struct list_head *qe;
struct list_head *txq_qe;
struct list_head *rxp_qe;
struct list_head *mac_qe;
int i;
sw_stats->device_state = bna_device_state_get(&bna->device);
sw_stats->port_state = bna_port_state_get(&bna->port);
sw_stats->port_flags = bna->port.flags;
sw_stats->llport_state = bna_llport_state_get(&bna->port.llport);
sw_stats->priority = bna->port.priority;
i = 0;
list_for_each(qe, &bna->tx_mod.tx_active_q) {
tx = (struct bna_tx *)qe;
sw_stats->tx_stats[i].tx_state = bna_tx_state_get(tx);
sw_stats->tx_stats[i].tx_flags = tx->flags;
sw_stats->tx_stats[i].num_txqs = 0;
sw_stats->tx_stats[i].txq_bmap[0] = 0;
sw_stats->tx_stats[i].txq_bmap[1] = 0;
list_for_each(txq_qe, &tx->txq_q) {
txq = (struct bna_txq *)txq_qe;
if (txq->txq_id < 32)
sw_stats->tx_stats[i].txq_bmap[0] |=
((u32)1 << txq->txq_id);
else
sw_stats->tx_stats[i].txq_bmap[1] |=
((u32)
1 << (txq->txq_id - 32));
sw_stats->tx_stats[i].num_txqs++;
}
sw_stats->tx_stats[i].txf_id = tx->txf.txf_id;
i++;
}
sw_stats->num_active_tx = i;
i = 0;
list_for_each(qe, &bna->rx_mod.rx_active_q) {
rx = (struct bna_rx *)qe;
sw_stats->rx_stats[i].rx_state = bna_rx_state_get(rx);
sw_stats->rx_stats[i].rx_flags = rx->rx_flags;
sw_stats->rx_stats[i].num_rxps = 0;
sw_stats->rx_stats[i].num_rxqs = 0;
sw_stats->rx_stats[i].rxq_bmap[0] = 0;
sw_stats->rx_stats[i].rxq_bmap[1] = 0;
sw_stats->rx_stats[i].cq_bmap[0] = 0;
sw_stats->rx_stats[i].cq_bmap[1] = 0;
list_for_each(rxp_qe, &rx->rxp_q) {
rxp = (struct bna_rxp *)rxp_qe;
sw_stats->rx_stats[i].num_rxqs += 1;
if (rxp->type == BNA_RXP_SINGLE) {
if (rxp->rxq.single.only->rxq_id < 32) {
sw_stats->rx_stats[i].rxq_bmap[0] |=
((u32)1 <<
rxp->rxq.single.only->rxq_id);
} else {
sw_stats->rx_stats[i].rxq_bmap[1] |=
((u32)1 <<
(rxp->rxq.single.only->rxq_id - 32));
}
} else {
if (rxp->rxq.slr.large->rxq_id < 32) {
sw_stats->rx_stats[i].rxq_bmap[0] |=
((u32)1 <<
rxp->rxq.slr.large->rxq_id);
} else {
sw_stats->rx_stats[i].rxq_bmap[1] |=
((u32)1 <<
(rxp->rxq.slr.large->rxq_id - 32));
}
if (rxp->rxq.slr.small->rxq_id < 32) {
sw_stats->rx_stats[i].rxq_bmap[0] |=
((u32)1 <<
rxp->rxq.slr.small->rxq_id);
} else {
sw_stats->rx_stats[i].rxq_bmap[1] |=
((u32)1 <<
(rxp->rxq.slr.small->rxq_id - 32));
}
sw_stats->rx_stats[i].num_rxqs += 1;
}
if (rxp->cq.cq_id < 32)
sw_stats->rx_stats[i].cq_bmap[0] |=
(1 << rxp->cq.cq_id);
else
sw_stats->rx_stats[i].cq_bmap[1] |=
(1 << (rxp->cq.cq_id - 32));
sw_stats->rx_stats[i].num_rxps++;
}
sw_stats->rx_stats[i].rxf_id = rx->rxf.rxf_id;
sw_stats->rx_stats[i].rxf_state = bna_rxf_state_get(&rx->rxf);
sw_stats->rx_stats[i].rxf_oper_state = rx->rxf.rxf_oper_state;
sw_stats->rx_stats[i].num_active_ucast = 0;
if (rx->rxf.ucast_active_mac)
sw_stats->rx_stats[i].num_active_ucast++;
list_for_each(mac_qe, &rx->rxf.ucast_active_q)
sw_stats->rx_stats[i].num_active_ucast++;
sw_stats->rx_stats[i].num_active_mcast = 0;
list_for_each(mac_qe, &rx->rxf.mcast_active_q)
sw_stats->rx_stats[i].num_active_mcast++;
sw_stats->rx_stats[i].rxmode_active = rx->rxf.rxmode_active;
sw_stats->rx_stats[i].vlan_filter_status =
rx->rxf.vlan_filter_status;
memcpy(sw_stats->rx_stats[i].vlan_filter_table,
rx->rxf.vlan_filter_table,
sizeof(u32) * ((BFI_MAX_VLAN + 1) / 32));
sw_stats->rx_stats[i].rss_status = rx->rxf.rss_status;
sw_stats->rx_stats[i].hds_status = rx->rxf.hds_status;
i++;
}
sw_stats->num_active_rx = i;
}
static void
bna_fw_cb_stats_get(void *arg, int status)
{
struct bna *bna = (struct bna *)arg;
u64 *p_stats;
int i, count;
int rxf_count, txf_count;
u64 rxf_bmap, txf_bmap;
bfa_q_qe_init(&bna->mbox_qe.qe);
if (status == 0) {
p_stats = (u64 *)bna->stats.hw_stats;
count = sizeof(struct bfi_ll_stats) / sizeof(u64);
for (i = 0; i < count; i++)
p_stats[i] = cpu_to_be64(p_stats[i]);
rxf_count = 0;
rxf_bmap = (u64)bna->stats.rxf_bmap[0] |
((u64)bna->stats.rxf_bmap[1] << 32);
for (i = 0; i < BFI_LL_RXF_ID_MAX; i++)
if (rxf_bmap & ((u64)1 << i))
rxf_count++;
txf_count = 0;
txf_bmap = (u64)bna->stats.txf_bmap[0] |
((u64)bna->stats.txf_bmap[1] << 32);
for (i = 0; i < BFI_LL_TXF_ID_MAX; i++)
if (txf_bmap & ((u64)1 << i))
txf_count++;
p_stats = (u64 *)&bna->stats.hw_stats->rxf_stats[0] +
((rxf_count * sizeof(struct bfi_ll_stats_rxf) +
txf_count * sizeof(struct bfi_ll_stats_txf))/
sizeof(u64));
/* Populate the TXF stats from the firmware DMAed copy */
for (i = (BFI_LL_TXF_ID_MAX - 1); i >= 0; i--)
if (txf_bmap & ((u64)1 << i)) {
p_stats -= sizeof(struct bfi_ll_stats_txf)/
sizeof(u64);
memcpy(&bna->stats.hw_stats->txf_stats[i],
p_stats,
sizeof(struct bfi_ll_stats_txf));
}
/* Populate the RXF stats from the firmware DMAed copy */
for (i = (BFI_LL_RXF_ID_MAX - 1); i >= 0; i--)
if (rxf_bmap & ((u64)1 << i)) {
p_stats -= sizeof(struct bfi_ll_stats_rxf)/
sizeof(u64);
memcpy(&bna->stats.hw_stats->rxf_stats[i],
p_stats,
sizeof(struct bfi_ll_stats_rxf));
}
bna_sw_stats_get(bna, bna->stats.sw_stats);
bnad_cb_stats_get(bna->bnad, BNA_CB_SUCCESS, &bna->stats);
} else
bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
}
static void
bna_fw_stats_get(struct bna *bna)
{
struct bfi_ll_stats_req ll_req;
bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_GET_REQ, 0);
ll_req.stats_mask = htons(BFI_LL_STATS_ALL);
ll_req.rxf_id_mask[0] = htonl(bna->rx_mod.rxf_bmap[0]);
ll_req.rxf_id_mask[1] = htonl(bna->rx_mod.rxf_bmap[1]);
ll_req.txf_id_mask[0] = htonl(bna->tx_mod.txf_bmap[0]);
ll_req.txf_id_mask[1] = htonl(bna->tx_mod.txf_bmap[1]);
ll_req.host_buffer.a32.addr_hi = bna->hw_stats_dma.msb;
ll_req.host_buffer.a32.addr_lo = bna->hw_stats_dma.lsb;
bna_mbox_qe_fill(&bna->mbox_qe, &ll_req, sizeof(ll_req),
bna_fw_cb_stats_get, bna);
bna_mbox_send(bna, &bna->mbox_qe);
bna->stats.rxf_bmap[0] = bna->rx_mod.rxf_bmap[0];
bna->stats.rxf_bmap[1] = bna->rx_mod.rxf_bmap[1];
bna->stats.txf_bmap[0] = bna->tx_mod.txf_bmap[0];
bna->stats.txf_bmap[1] = bna->tx_mod.txf_bmap[1];
}
void
bna_stats_get(struct bna *bna)
{
if (bna_device_status_get(&bna->device))
bna_fw_stats_get(bna);
else
bnad_cb_stats_get(bna->bnad, BNA_CB_FAIL, &bna->stats);
}
/* IB */
static void
bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo)
{
ib->ib_config.coalescing_timeo = coalescing_timeo;
if (ib->start_count)
ib->door_bell.doorbell_ack = BNA_DOORBELL_IB_INT_ACK(
(u32)ib->ib_config.coalescing_timeo, 0);
}
/* RxF */
void
bna_rxf_adv_init(struct bna_rxf *rxf,
struct bna_rx *rx,
struct bna_rx_config *q_config)
{
switch (q_config->rxp_type) {
case BNA_RXP_SINGLE:
/* No-op */
break;
case BNA_RXP_SLR:
rxf->ctrl_flags |= BNA_RXF_CF_SM_LG_RXQ;
break;
case BNA_RXP_HDS:
rxf->hds_cfg.hdr_type = q_config->hds_config.hdr_type;
rxf->hds_cfg.header_size =
q_config->hds_config.header_size;
rxf->forced_offset = 0;
break;
default:
break;
}
if (q_config->rss_status == BNA_STATUS_T_ENABLED) {
rxf->ctrl_flags |= BNA_RXF_CF_RSS_ENABLE;
rxf->rss_cfg.hash_type = q_config->rss_config.hash_type;
rxf->rss_cfg.hash_mask = q_config->rss_config.hash_mask;
memcpy(&rxf->rss_cfg.toeplitz_hash_key[0],
&q_config->rss_config.toeplitz_hash_key[0],
sizeof(rxf->rss_cfg.toeplitz_hash_key));
}
}
static void
rxf_fltr_mbox_cmd(struct bna_rxf *rxf, u8 cmd, enum bna_status status)
{
struct bfi_ll_rxf_req req;
bfi_h2i_set(req.mh, BFI_MC_LL, cmd, 0);
req.rxf_id = rxf->rxf_id;
req.enable = status;
bna_mbox_qe_fill(&rxf->mbox_qe, &req, sizeof(req),
rxf_cb_cam_fltr_mbox_cmd, rxf);
bna_mbox_send(rxf->rx->bna, &rxf->mbox_qe);
}
int
rxf_process_packet_filter_ucast(struct bna_rxf *rxf)
{
struct bna_mac *mac = NULL;
struct list_head *qe;
/* Add additional MAC entries */
if (!list_empty(&rxf->ucast_pending_add_q)) {
bfa_q_deq(&rxf->ucast_pending_add_q, &qe);
bfa_q_qe_init(qe);
mac = (struct bna_mac *)qe;
rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_ADD_REQ, mac);
list_add_tail(&mac->qe, &rxf->ucast_active_q);
return 1;
}
/* Delete MAC addresses previousely added */
if (!list_empty(&rxf->ucast_pending_del_q)) {
bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
bfa_q_qe_init(qe);
mac = (struct bna_mac *)qe;
rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
return 1;
}
return 0;
}
int
rxf_process_packet_filter_promisc(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
/* Enable/disable promiscuous mode */
if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move promisc configuration from pending -> active */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active |= BNA_RXMODE_PROMISC;
/* Disable VLAN filter to allow all VLANs */
__rxf_vlan_filter_set(rxf, BNA_STATUS_T_DISABLED);
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
BNA_STATUS_T_ENABLED);
return 1;
} else if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move promisc configuration from pending -> active */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
bna->rxf_promisc_id = BFI_MAX_RXF;
/* Revert VLAN filter */
__rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
return 0;
}
int
rxf_process_packet_filter_allmulti(struct bna_rxf *rxf)
{
/* Enable/disable allmulti mode */
if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move allmulti configuration from pending -> active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active |= BNA_RXMODE_ALLMULTI;
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
BNA_STATUS_T_ENABLED);
return 1;
} else if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move allmulti configuration from pending -> active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
return 0;
}
int
rxf_clear_packet_filter_ucast(struct bna_rxf *rxf)
{
struct bna_mac *mac = NULL;
struct list_head *qe;
/* 1. delete pending ucast entries */
if (!list_empty(&rxf->ucast_pending_del_q)) {
bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
bfa_q_qe_init(qe);
mac = (struct bna_mac *)qe;
rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
return 1;
}
/* 2. clear active ucast entries; move them to pending_add_q */
if (!list_empty(&rxf->ucast_active_q)) {
bfa_q_deq(&rxf->ucast_active_q, &qe);
bfa_q_qe_init(qe);
mac = (struct bna_mac *)qe;
rxf_cam_mbox_cmd(rxf, BFI_LL_H2I_MAC_UCAST_DEL_REQ, mac);
list_add_tail(&mac->qe, &rxf->ucast_pending_add_q);
return 1;
}
return 0;
}
int
rxf_clear_packet_filter_promisc(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
/* 6. Execute pending promisc mode disable command */
if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move promisc configuration from pending -> active */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
bna->rxf_promisc_id = BFI_MAX_RXF;
/* Revert VLAN filter */
__rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
/* 7. Clear active promisc mode; move it to pending enable */
if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
/* move promisc configuration from active -> pending */
promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
/* Revert VLAN filter */
__rxf_vlan_filter_set(rxf, rxf->vlan_filter_status);
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_PROMISCUOUS_SET_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
return 0;
}
int
rxf_clear_packet_filter_allmulti(struct bna_rxf *rxf)
{
/* 10. Execute pending allmulti mode disable command */
if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* move allmulti configuration from pending -> active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
/* 11. Clear active allmulti mode; move it to pending enable */
if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
/* move allmulti configuration from active -> pending */
allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_MAC_MCAST_FILTER_REQ,
BNA_STATUS_T_DISABLED);
return 1;
}
return 0;
}
void
rxf_reset_packet_filter_ucast(struct bna_rxf *rxf)
{
struct list_head *qe;
struct bna_mac *mac;
/* 1. Move active ucast entries to pending_add_q */
while (!list_empty(&rxf->ucast_active_q)) {
bfa_q_deq(&rxf->ucast_active_q, &qe);
bfa_q_qe_init(qe);
list_add_tail(qe, &rxf->ucast_pending_add_q);
}
/* 2. Throw away delete pending ucast entries */
while (!list_empty(&rxf->ucast_pending_del_q)) {
bfa_q_deq(&rxf->ucast_pending_del_q, &qe);
bfa_q_qe_init(qe);
mac = (struct bna_mac *)qe;
bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac);
}
}
void
rxf_reset_packet_filter_promisc(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
/* 6. Clear pending promisc mode disable */
if (is_promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
bna->rxf_promisc_id = BFI_MAX_RXF;
}
/* 7. Move promisc mode config from active -> pending */
if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_PROMISC;
}
}
void
rxf_reset_packet_filter_allmulti(struct bna_rxf *rxf)
{
/* 10. Clear pending allmulti mode disable */
if (is_allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
}
/* 11. Move allmulti mode config from active -> pending */
if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
rxf->rxmode_active &= ~BNA_RXMODE_ALLMULTI;
}
}
/**
* Should only be called by bna_rxf_mode_set.
* Helps deciding if h/w configuration is needed or not.
* Returns:
* 0 = no h/w change
* 1 = need h/w change
*/
static int
rxf_promisc_enable(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
int ret = 0;
/* There can not be any pending disable command */
/* Do nothing if pending enable or already enabled */
if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(rxf->rxmode_active & BNA_RXMODE_PROMISC)) {
/* Schedule enable */
} else {
/* Promisc mode should not be active in the system */
promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
bna->rxf_promisc_id = rxf->rxf_id;
ret = 1;
}
return ret;
}
/**
* Should only be called by bna_rxf_mode_set.
* Helps deciding if h/w configuration is needed or not.
* Returns:
* 0 = no h/w change
* 1 = need h/w change
*/
static int
rxf_promisc_disable(struct bna_rxf *rxf)
{
struct bna *bna = rxf->rx->bna;
int ret = 0;
/* There can not be any pending disable */
/* Turn off pending enable command , if any */
if (is_promisc_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Promisc mode should not be active */
/* system promisc state should be pending */
promisc_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
/* Remove the promisc state from the system */
bna->rxf_promisc_id = BFI_MAX_RXF;
/* Schedule disable */
} else if (rxf->rxmode_active & BNA_RXMODE_PROMISC) {
/* Promisc mode should be active in the system */
promisc_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
/* Do nothing if already disabled */
} else {
}
return ret;
}
/**
* Should only be called by bna_rxf_mode_set.
* Helps deciding if h/w configuration is needed or not.
* Returns:
* 0 = no h/w change
* 1 = need h/w change
*/
static int
rxf_allmulti_enable(struct bna_rxf *rxf)
{
int ret = 0;
/* There can not be any pending disable command */
/* Do nothing if pending enable or already enabled */
if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask) ||
(rxf->rxmode_active & BNA_RXMODE_ALLMULTI)) {
/* Schedule enable */
} else {
allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
}
return ret;
}
/**
* Should only be called by bna_rxf_mode_set.
* Helps deciding if h/w configuration is needed or not.
* Returns:
* 0 = no h/w change
* 1 = need h/w change
*/
static int
rxf_allmulti_disable(struct bna_rxf *rxf)
{
int ret = 0;
/* There can not be any pending disable */
/* Turn off pending enable command , if any */
if (is_allmulti_enable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask)) {
/* Allmulti mode should not be active */
allmulti_inactive(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
/* Schedule disable */
} else if (rxf->rxmode_active & BNA_RXMODE_ALLMULTI) {
allmulti_disable(rxf->rxmode_pending,
rxf->rxmode_pending_bitmask);
ret = 1;
}
return ret;
}
/* RxF <- bnad */
enum bna_cb_status
bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode new_mode,
enum bna_rxmode bitmask,
void (*cbfn)(struct bnad *, struct bna_rx *,
enum bna_cb_status))
{
struct bna_rxf *rxf = &rx->rxf;
int need_hw_config = 0;
/* Process the commands */
if (is_promisc_enable(new_mode, bitmask)) {
/* If promisc mode is already enabled elsewhere in the system */
if ((rx->bna->rxf_promisc_id != BFI_MAX_RXF) &&
(rx->bna->rxf_promisc_id != rxf->rxf_id))
goto err_return;
if (rxf_promisc_enable(rxf))
need_hw_config = 1;
} else if (is_promisc_disable(new_mode, bitmask)) {
if (rxf_promisc_disable(rxf))
need_hw_config = 1;
}
if (is_allmulti_enable(new_mode, bitmask)) {
if (rxf_allmulti_enable(rxf))
need_hw_config = 1;
} else if (is_allmulti_disable(new_mode, bitmask)) {
if (rxf_allmulti_disable(rxf))
need_hw_config = 1;
}
/* Trigger h/w if needed */
if (need_hw_config) {
rxf->cam_fltr_cbfn = cbfn;
rxf->cam_fltr_cbarg = rx->bna->bnad;
bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
} else if (cbfn)
(*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS);
return BNA_CB_SUCCESS;
err_return:
return BNA_CB_FAIL;
}
void
/* RxF <- bnad */
bna_rx_vlanfilter_enable(struct bna_rx *rx)
{
struct bna_rxf *rxf = &rx->rxf;
if (rxf->vlan_filter_status == BNA_STATUS_T_DISABLED) {
rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING;
rxf->vlan_filter_status = BNA_STATUS_T_ENABLED;
bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD);
}
}
/* Rx */
/* Rx <- bnad */
void
bna_rx_coalescing_timeo_set(struct bna_rx *rx, int coalescing_timeo)
{
struct bna_rxp *rxp;
struct list_head *qe;
list_for_each(qe, &rx->rxp_q) {
rxp = (struct bna_rxp *)qe;
rxp->cq.ccb->rx_coalescing_timeo = coalescing_timeo;
bna_ib_coalescing_timeo_set(rxp->cq.ib, coalescing_timeo);
}
}
/* Rx <- bnad */
void
bna_rx_dim_reconfig(struct bna *bna, const u32 vector[][BNA_BIAS_T_MAX])
{
int i, j;
for (i = 0; i < BNA_LOAD_T_MAX; i++)
for (j = 0; j < BNA_BIAS_T_MAX; j++)
bna->rx_mod.dim_vector[i][j] = vector[i][j];
}
/* Rx <- bnad */
void
bna_rx_dim_update(struct bna_ccb *ccb)
{
struct bna *bna = ccb->cq->rx->bna;
u32 load, bias;
u32 pkt_rt, small_rt, large_rt;
u8 coalescing_timeo;
if ((ccb->pkt_rate.small_pkt_cnt == 0) &&
(ccb->pkt_rate.large_pkt_cnt == 0))
return;
/* Arrive at preconfigured coalescing timeo value based on pkt rate */
small_rt = ccb->pkt_rate.small_pkt_cnt;
large_rt = ccb->pkt_rate.large_pkt_cnt;
pkt_rt = small_rt + large_rt;
if (pkt_rt < BNA_PKT_RATE_10K)
load = BNA_LOAD_T_LOW_4;
else if (pkt_rt < BNA_PKT_RATE_20K)
load = BNA_LOAD_T_LOW_3;
else if (pkt_rt < BNA_PKT_RATE_30K)
load = BNA_LOAD_T_LOW_2;
else if (pkt_rt < BNA_PKT_RATE_40K)
load = BNA_LOAD_T_LOW_1;
else if (pkt_rt < BNA_PKT_RATE_50K)
load = BNA_LOAD_T_HIGH_1;
else if (pkt_rt < BNA_PKT_RATE_60K)
load = BNA_LOAD_T_HIGH_2;
else if (pkt_rt < BNA_PKT_RATE_80K)
load = BNA_LOAD_T_HIGH_3;
else
load = BNA_LOAD_T_HIGH_4;
if (small_rt > (large_rt << 1))
bias = 0;
else
bias = 1;
ccb->pkt_rate.small_pkt_cnt = 0;
ccb->pkt_rate.large_pkt_cnt = 0;
coalescing_timeo = bna->rx_mod.dim_vector[load][bias];
ccb->rx_coalescing_timeo = coalescing_timeo;
/* Set it to IB */
bna_ib_coalescing_timeo_set(ccb->cq->ib, coalescing_timeo);
}
/* Tx */
/* TX <- bnad */
void
bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo)
{
struct bna_txq *txq;
struct list_head *qe;
list_for_each(qe, &tx->txq_q) {
txq = (struct bna_txq *)qe;
bna_ib_coalescing_timeo_set(txq->ib, coalescing_timeo);
}
}
/*
* Private data
*/
struct bna_ritseg_pool_cfg {
u32 pool_size;
u32 pool_entry_size;
};
init_ritseg_pool(ritseg_pool_cfg);
/*
* Private functions
*/
static void
bna_ucam_mod_init(struct bna_ucam_mod *ucam_mod, struct bna *bna,
struct bna_res_info *res_info)
{
int i;
ucam_mod->ucmac = (struct bna_mac *)
res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
INIT_LIST_HEAD(&ucam_mod->free_q);
for (i = 0; i < BFI_MAX_UCMAC; i++) {
bfa_q_qe_init(&ucam_mod->ucmac[i].qe);
list_add_tail(&ucam_mod->ucmac[i].qe, &ucam_mod->free_q);
}
ucam_mod->bna = bna;
}
static void
bna_ucam_mod_uninit(struct bna_ucam_mod *ucam_mod)
{
struct list_head *qe;
int i = 0;
list_for_each(qe, &ucam_mod->free_q)
i++;
ucam_mod->bna = NULL;
}
static void
bna_mcam_mod_init(struct bna_mcam_mod *mcam_mod, struct bna *bna,
struct bna_res_info *res_info)
{
int i;
mcam_mod->mcmac = (struct bna_mac *)
res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mdl[0].kva;
INIT_LIST_HEAD(&mcam_mod->free_q);
for (i = 0; i < BFI_MAX_MCMAC; i++) {
bfa_q_qe_init(&mcam_mod->mcmac[i].qe);
list_add_tail(&mcam_mod->mcmac[i].qe, &mcam_mod->free_q);
}
mcam_mod->bna = bna;
}
static void
bna_mcam_mod_uninit(struct bna_mcam_mod *mcam_mod)
{
struct list_head *qe;
int i = 0;
list_for_each(qe, &mcam_mod->free_q)
i++;
mcam_mod->bna = NULL;
}
static void
bna_rit_mod_init(struct bna_rit_mod *rit_mod,
struct bna_res_info *res_info)
{
int i;
int j;
int count;
int offset;
rit_mod->rit = (struct bna_rit_entry *)
res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mdl[0].kva;
rit_mod->rit_segment = (struct bna_rit_segment *)
res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mdl[0].kva;
count = 0;
offset = 0;
for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
INIT_LIST_HEAD(&rit_mod->rit_seg_pool[i]);
for (j = 0; j < ritseg_pool_cfg[i].pool_size; j++) {
bfa_q_qe_init(&rit_mod->rit_segment[count].qe);
rit_mod->rit_segment[count].max_rit_size =
ritseg_pool_cfg[i].pool_entry_size;
rit_mod->rit_segment[count].rit_offset = offset;
rit_mod->rit_segment[count].rit =
&rit_mod->rit[offset];
list_add_tail(&rit_mod->rit_segment[count].qe,
&rit_mod->rit_seg_pool[i]);
count++;
offset += ritseg_pool_cfg[i].pool_entry_size;
}
}
}
static void
bna_rit_mod_uninit(struct bna_rit_mod *rit_mod)
{
struct bna_rit_segment *rit_segment;
struct list_head *qe;
int i;
int j;
for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
j = 0;
list_for_each(qe, &rit_mod->rit_seg_pool[i]) {
rit_segment = (struct bna_rit_segment *)qe;
j++;
}
}
}
/*
* Public functions
*/
/* Called during probe(), before calling bna_init() */
void
bna_res_req(struct bna_res_info *res_info)
{
bna_adv_res_req(res_info);
/* DMA memory for retrieving IOC attributes */
res_info[BNA_RES_MEM_T_ATTR].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_ATTR].res_u.mem_info.len =
ALIGN(bfa_nw_ioc_meminfo(), PAGE_SIZE);
/* DMA memory for index segment of an IB */
res_info[BNA_RES_MEM_T_IBIDX].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.mem_type = BNA_MEM_T_DMA;
res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.len =
BFI_IBIDX_SIZE * BFI_IBIDX_MAX_SEGSIZE;
res_info[BNA_RES_MEM_T_IBIDX].res_u.mem_info.num = BFI_MAX_IB;
/* Virtual memory for IB objects - stored by IB module */
res_info[BNA_RES_MEM_T_IB_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_IB_ARRAY].res_u.mem_info.len =
BFI_MAX_IB * sizeof(struct bna_ib);
/* Virtual memory for intr objects - stored by IB module */
res_info[BNA_RES_MEM_T_INTR_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_INTR_ARRAY].res_u.mem_info.len =
BFI_MAX_IB * sizeof(struct bna_intr);
/* Virtual memory for idx_seg objects - stored by IB module */
res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_IDXSEG_ARRAY].res_u.mem_info.len =
BFI_IBIDX_TOTAL_SEGS * sizeof(struct bna_ibidx_seg);
/* Virtual memory for Tx objects - stored by Tx module */
res_info[BNA_RES_MEM_T_TX_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_TX_ARRAY].res_u.mem_info.len =
BFI_MAX_TXQ * sizeof(struct bna_tx);
/* Virtual memory for TxQ - stored by Tx module */
res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_TXQ_ARRAY].res_u.mem_info.len =
BFI_MAX_TXQ * sizeof(struct bna_txq);
/* Virtual memory for Rx objects - stored by Rx module */
res_info[BNA_RES_MEM_T_RX_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_RX_ARRAY].res_u.mem_info.len =
BFI_MAX_RXQ * sizeof(struct bna_rx);
/* Virtual memory for RxPath - stored by Rx module */
res_info[BNA_RES_MEM_T_RXP_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_RXP_ARRAY].res_u.mem_info.len =
BFI_MAX_RXQ * sizeof(struct bna_rxp);
/* Virtual memory for RxQ - stored by Rx module */
res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_RXQ_ARRAY].res_u.mem_info.len =
BFI_MAX_RXQ * sizeof(struct bna_rxq);
/* Virtual memory for Unicast MAC address - stored by ucam module */
res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_UCMAC_ARRAY].res_u.mem_info.len =
BFI_MAX_UCMAC * sizeof(struct bna_mac);
/* Virtual memory for Multicast MAC address - stored by mcam module */
res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_MCMAC_ARRAY].res_u.mem_info.len =
BFI_MAX_MCMAC * sizeof(struct bna_mac);
/* Virtual memory for RIT entries */
res_info[BNA_RES_MEM_T_RIT_ENTRY].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_RIT_ENTRY].res_u.mem_info.len =
BFI_MAX_RIT_SIZE * sizeof(struct bna_rit_entry);
/* Virtual memory for RIT segment table */
res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_type = BNA_RES_T_MEM;
res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.mem_type =
BNA_MEM_T_KVA;
res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.num = 1;
res_info[BNA_RES_MEM_T_RIT_SEGMENT].res_u.mem_info.len =
BFI_RIT_TOTAL_SEGS * sizeof(struct bna_rit_segment);
/* Interrupt resource for mailbox interrupt */
res_info[BNA_RES_INTR_T_MBOX].res_type = BNA_RES_T_INTR;
res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.intr_type =
BNA_INTR_T_MSIX;
res_info[BNA_RES_INTR_T_MBOX].res_u.intr_info.num = 1;
}
/* Called during probe() */
void
bna_init(struct bna *bna, struct bnad *bnad, struct bfa_pcidev *pcidev,
struct bna_res_info *res_info)
{
bna->bnad = bnad;
bna->pcidev = *pcidev;
bna->stats.hw_stats = (struct bfi_ll_stats *)
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].kva;
bna->hw_stats_dma.msb =
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.msb;
bna->hw_stats_dma.lsb =
res_info[BNA_RES_MEM_T_STATS].res_u.mem_info.mdl[0].dma.lsb;
bna->stats.sw_stats = (struct bna_sw_stats *)
res_info[BNA_RES_MEM_T_SWSTATS].res_u.mem_info.mdl[0].kva;
bna->regs.page_addr = bna->pcidev.pci_bar_kva +
reg_offset[bna->pcidev.pci_func].page_addr;
bna->regs.fn_int_status = bna->pcidev.pci_bar_kva +
reg_offset[bna->pcidev.pci_func].fn_int_status;
bna->regs.fn_int_mask = bna->pcidev.pci_bar_kva +
reg_offset[bna->pcidev.pci_func].fn_int_mask;
if (bna->pcidev.pci_func < 3)
bna->port_num = 0;
else
bna->port_num = 1;
/* Also initializes diag, cee, sfp, phy_port and mbox_mod */
bna_device_init(&bna->device, bna, res_info);
bna_port_init(&bna->port, bna);
bna_tx_mod_init(&bna->tx_mod, bna, res_info);
bna_rx_mod_init(&bna->rx_mod, bna, res_info);
bna_ib_mod_init(&bna->ib_mod, bna, res_info);
bna_rit_mod_init(&bna->rit_mod, res_info);
bna_ucam_mod_init(&bna->ucam_mod, bna, res_info);
bna_mcam_mod_init(&bna->mcam_mod, bna, res_info);
bna->rxf_promisc_id = BFI_MAX_RXF;
/* Mbox q element for posting stat request to f/w */
bfa_q_qe_init(&bna->mbox_qe.qe);
}
void
bna_uninit(struct bna *bna)
{
bna_mcam_mod_uninit(&bna->mcam_mod);
bna_ucam_mod_uninit(&bna->ucam_mod);
bna_rit_mod_uninit(&bna->rit_mod);
bna_ib_mod_uninit(&bna->ib_mod);
bna_rx_mod_uninit(&bna->rx_mod);
bna_tx_mod_uninit(&bna->tx_mod);
bna_port_uninit(&bna->port);
bna_device_uninit(&bna->device);
bna->bnad = NULL;
}
struct bna_mac *
bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod)
{
struct list_head *qe;
if (list_empty(&ucam_mod->free_q))
return NULL;
bfa_q_deq(&ucam_mod->free_q, &qe);
return (struct bna_mac *)qe;
}
void
bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod, struct bna_mac *mac)
{
list_add_tail(&mac->qe, &ucam_mod->free_q);
}
struct bna_mac *
bna_mcam_mod_mac_get(struct bna_mcam_mod *mcam_mod)
{
struct list_head *qe;
if (list_empty(&mcam_mod->free_q))
return NULL;
bfa_q_deq(&mcam_mod->free_q, &qe);
return (struct bna_mac *)qe;
}
void
bna_mcam_mod_mac_put(struct bna_mcam_mod *mcam_mod, struct bna_mac *mac)
{
list_add_tail(&mac->qe, &mcam_mod->free_q);
}
/**
* Note: This should be called in the same locking context as the call to
* bna_rit_mod_seg_get()
*/
int
bna_rit_mod_can_satisfy(struct bna_rit_mod *rit_mod, int seg_size)
{
int i;
/* Select the pool for seg_size */
for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
if (seg_size <= ritseg_pool_cfg[i].pool_entry_size)
break;
}
if (i == BFI_RIT_SEG_TOTAL_POOLS)
return 0;
if (list_empty(&rit_mod->rit_seg_pool[i]))
return 0;
return 1;
}
struct bna_rit_segment *
bna_rit_mod_seg_get(struct bna_rit_mod *rit_mod, int seg_size)
{
struct bna_rit_segment *seg;
struct list_head *qe;
int i;
/* Select the pool for seg_size */
for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
if (seg_size <= ritseg_pool_cfg[i].pool_entry_size)
break;
}
if (i == BFI_RIT_SEG_TOTAL_POOLS)
return NULL;
if (list_empty(&rit_mod->rit_seg_pool[i]))
return NULL;
bfa_q_deq(&rit_mod->rit_seg_pool[i], &qe);
seg = (struct bna_rit_segment *)qe;
bfa_q_qe_init(&seg->qe);
seg->rit_size = seg_size;
return seg;
}
void
bna_rit_mod_seg_put(struct bna_rit_mod *rit_mod,
struct bna_rit_segment *seg)
{
int i;
/* Select the pool for seg->max_rit_size */
for (i = 0; i < BFI_RIT_SEG_TOTAL_POOLS; i++) {
if (seg->max_rit_size == ritseg_pool_cfg[i].pool_entry_size)
break;
}
seg->rit_size = 0;
list_add_tail(&seg->qe, &rit_mod->rit_seg_pool[i]);
}
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