diff options
Diffstat (limited to 'drivers/net/bna/bna_ctrl.c')
| -rw-r--r-- | drivers/net/bna/bna_ctrl.c | 3624 |
1 files changed, 3624 insertions, 0 deletions
diff --git a/drivers/net/bna/bna_ctrl.c b/drivers/net/bna/bna_ctrl.c new file mode 100644 index 000000000000..ddd922f210c7 --- /dev/null +++ b/drivers/net/bna/bna_ctrl.c @@ -0,0 +1,3624 @@ +/* + * 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" + +/** + * MBOX + */ +static int +bna_is_aen(u8 msg_id) +{ + return msg_id == BFI_LL_I2H_LINK_DOWN_AEN || + msg_id == BFI_LL_I2H_LINK_UP_AEN; +} + +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; + 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); +} + +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); + } +} + +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; +} + +void +bna_mbox_mod_start(struct bna_mbox_mod *mbox_mod) +{ +} + +void +bna_mbox_mod_stop(struct bna_mbox_mod *mbox_mod) +{ + bna_mbox_flush_q(mbox_mod->bna, &mbox_mod->posted_q); +} + +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; +} + +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_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 = 6, + LLPORT_E_FWRESP_DOWN = 7 +}; + +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: + 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) +{ + /** + * 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: + bfa_fsm_set_state(llport, bna_llport_sm_up); + 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: + /* up_resp_wait->down_resp_wait transition on LLPORT_E_DOWN */ + bna_fw_llport_down(llport); + break; + + 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: + /* up_resp_wait->last_resp_wait transition on LLPORT_T_STOP */ + bna_fw_llport_down(llport); + break; + + 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); + bfa_fsm_send_event(llport, LLPORT_E_FWRESP_UP); +} + +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); +} + +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_ENABLED; + llport->type = BNA_PORT_T_REGULAR; + llport->bna = bna; + + llport->link_status = BNA_LINK_DOWN; + + llport->admin_up_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_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) +{ + bfa_fsm_send_event(llport, LLPORT_E_FAIL); +} + +int +bna_llport_state_get(struct bna_llport *llport) +{ + return bfa_sm_to_state(llport_sm_table, llport->fsm); +} + +void +bna_llport_admin_up(struct bna_llport *llport) +{ + llport->admin_up_count++; + + if (llport->admin_up_count == 1) { + llport->flags |= BNA_LLPORT_F_RX_ENABLED; + if (llport->flags & BNA_LLPORT_F_ENABLED) + bfa_fsm_send_event(llport, LLPORT_E_UP); + } +} + +void +bna_llport_admin_down(struct bna_llport *llport) +{ + llport->admin_up_count--; + + if (llport->admin_up_count == 0) { + llport->flags &= ~BNA_LLPORT_F_RX_ENABLED; + if (llport->flags & BNA_LLPORT_F_ENABLED) + 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); +} + +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); +} + +void +bna_port_uninit(struct bna_port *port) +{ + bna_llport_uninit(&port->llport); + + port->flags = 0; + + port->bna = NULL; +} + +int +bna_port_state_get(struct bna_port *port) +{ + return bfa_sm_to_state(port_sm_table, port->fsm); +} + +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); +} + +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); +} + +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); +} + +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); +} + +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); +} + +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); +} + +/** + * Should be called only when port is disabled + */ +void +bna_port_type_set(struct bna_port *port, enum bna_port_type type) +{ + port->type = type; + port->llport.type = type; +} + +/** + * Should be called only when port is disabled + */ +void +bna_port_linkcbfn_set(struct bna_port *port, + void (*linkcbfn)(struct bnad *, enum bna_link_status)) +{ + port->link_cbfn = linkcbfn; +} + +void +bna_port_admin_up(struct bna_port *port) +{ + struct bna_llport *llport = &port->llport; + + if (llport->flags & BNA_LLPORT_F_ENABLED) + return; + + llport->flags |= BNA_LLPORT_F_ENABLED; + + if (llport->flags & BNA_LLPORT_F_RX_ENABLED) + bfa_fsm_send_event(llport, LLPORT_E_UP); +} + +void +bna_port_admin_down(struct bna_port *port) +{ + struct bna_llport *llport = &port->llport; + + if (!(llport->flags & BNA_LLPORT_F_ENABLED)) + return; + + llport->flags &= ~BNA_LLPORT_F_ENABLED; + + if (llport->flags & BNA_LLPORT_F_RX_ENABLED) + bfa_fsm_send_event(llport, LLPORT_E_DOWN); +} + +/** + * 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) + +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 +}; + +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); +} + +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; +} + +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); +} + +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); +} + +int +bna_device_state_get(struct bna_device *device) +{ + return bfa_sm_to_state(device_sm_table, device->fsm); +} + +u32 bna_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = { + {12, 20}, + {10, 18}, + {8, 16}, + {6, 12}, + {4, 8}, + {3, 6}, + {2, 4}, + {1, 2}, +}; + +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}, +}; + +/* device */ +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(); + +} + +/* utils */ + +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]; +} + +static void +bna_fw_cb_stats_clr(void *arg, int status) +{ + struct bna *bna = (struct bna *)arg; + + bfa_q_qe_init(&bna->mbox_qe.qe); + + memset(bna->stats.sw_stats, 0, sizeof(struct bna_sw_stats)); + memset(bna->stats.hw_stats, 0, sizeof(struct bfi_ll_stats)); + + bnad_cb_stats_clr(bna->bnad); +} + +static void +bna_fw_stats_clr(struct bna *bna) +{ + struct bfi_ll_stats_req ll_req; + + bfi_h2i_set(ll_req.mh, BFI_MC_LL, BFI_LL_H2I_STATS_CLEAR_REQ, 0); + ll_req.stats_mask = htons(BFI_LL_STATS_ALL); + ll_req.rxf_id_mask[0] = htonl(0xffffffff); + ll_req.rxf_id_mask[1] = htonl(0xffffffff); + ll_req.txf_id_mask[0] = htonl(0xffffffff); + ll_req.txf_id_mask[1] = htonl(0xffffffff); + + bna_mbox_qe_fill(&bna->mbox_qe, &ll_req, sizeof(ll_req), + bna_fw_cb_stats_clr, bna); + bna_mbox_send(bna, &bna->mbox_qe); +} + +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); +} + +void +bna_stats_clr(struct bna *bna) +{ + if (bna_device_status_get(&bna->device)) + bna_fw_stats_clr(bna); + else { + memset(&bna->stats.sw_stats, 0, + sizeof(struct bna_sw_stats)); + memset(bna->stats.hw_stats, 0, + sizeof(struct bfi_ll_stats)); + bnad_cb_stats_clr(bna->bnad); + } +} + +/* IB */ +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); +} + +void +__rxf_default_function_config(struct bna_rxf *rxf, enum bna_status status) +{ + struct bna_rx_fndb_ram *rx_fndb_ram; + u32 ctrl_flags; + int i; + + rx_fndb_ram = (struct bna_rx_fndb_ram *) + BNA_GET_MEM_BASE_ADDR(rxf->rx->bna->pcidev.pci_bar_kva, + RX_FNDB_RAM_BASE_OFFSET); + + for (i = 0; i < BFI_MAX_RXF; i++) { + if (status == BNA_STATUS_T_ENABLED) { + if (i == rxf->rxf_id) + continue; + + ctrl_flags = + readl(&rx_fndb_ram[i].control_flags); + ctrl_flags |= BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE; + writel(ctrl_flags, + &rx_fndb_ram[i].control_flags); + } else { + ctrl_flags = + readl(&rx_fndb_ram[i].control_flags); + ctrl_flags &= ~BNA_RXF_CF_DEFAULT_FUNCTION_ENABLE; + writel(ctrl_flags, + &rx_fndb_ram[i].control_flags); + } + } +} + +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_default(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* Enable/disable default mode */ + if (is_default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move default configuration from pending -> active */ + default_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active |= BNA_RXMODE_DEFAULT; + + /* Disable VLAN filter to allow all VLANs */ + __rxf_vlan_filter_set(rxf, BNA_STATUS_T_DISABLED); + /* Redirect all other RxF vlan filtering to this one */ + __rxf_default_function_config(rxf, BNA_STATUS_T_ENABLED); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_DEFAULT_SET_REQ, + BNA_STATUS_T_ENABLED); + return 1; + } else if (is_default_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move default configuration from pending -> active */ + default_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_DEFAULT; + bna->rxf_default_id = BFI_MAX_RXF; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + /* Stop RxF vlan filter table redirection */ + __rxf_default_function_config(rxf, BNA_STATUS_T_DISABLED); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_DEFAULT_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_default(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* 8. Execute pending default mode disable command */ + if (is_default_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* move default configuration from pending -> active */ + default_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_DEFAULT; + bna->rxf_default_id = BFI_MAX_RXF; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + /* Stop RxF vlan filter table redirection */ + __rxf_default_function_config(rxf, BNA_STATUS_T_DISABLED); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_DEFAULT_SET_REQ, + BNA_STATUS_T_DISABLED); + return 1; + } + + /* 9. Clear active default mode; move it to pending enable */ + if (rxf->rxmode_active & BNA_RXMODE_DEFAULT) { + /* move default configuration from active -> pending */ + default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_DEFAULT; + + /* Revert VLAN filter */ + __rxf_vlan_filter_set(rxf, rxf->vlan_filter_status); + /* Stop RxF vlan filter table redirection */ + __rxf_default_function_config(rxf, BNA_STATUS_T_DISABLED); + rxf_fltr_mbox_cmd(rxf, BFI_LL_H2I_RXF_DEFAULT_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_default(struct bna_rxf *rxf) +{ + struct bna *bna = rxf->rx->bna; + + /* 8. Clear pending default mode disable */ + if (is_default_disable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + default_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_DEFAULT; + bna->rxf_default_id = BFI_MAX_RXF; + } + + /* 9. Move default mode config from active -> pending */ + if (rxf->rxmode_active & BNA_RXMODE_DEFAULT) { + default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + rxf->rxmode_active &= ~BNA_RXMODE_DEFAULT; + } +} + +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 + */ +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 + */ +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 + */ +int +rxf_default_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_default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask) || + (rxf->rxmode_active & BNA_RXMODE_DEFAULT)) { + /* Schedule enable */ + } else { + /* Default mode should not be active in the system */ + default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + bna->rxf_default_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 + */ +int +rxf_default_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_default_enable(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask)) { + /* Promisc mode should not be active */ + /* system default state should be pending */ + default_inactive(rxf->rxmode_pending, + rxf->rxmode_pending_bitmask); + /* Remove the default state from the system */ + bna->rxf_default_id = BFI_MAX_RXF; + + /* Schedule disable */ + } else if (rxf->rxmode_active & BNA_RXMODE_DEFAULT) { + /* Default mode should be active in the system */ + default_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 + */ +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 + */ +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 */ +void +bna_rx_mcast_delall(struct bna_rx *rx, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + struct list_head *qe; + struct bna_mac *mac; + int need_hw_config = 0; + + /* Purge all entries from pending_add_q */ + while (!list_empty(&rxf->mcast_pending_add_q)) { + bfa_q_deq(&rxf->mcast_pending_add_q, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + bna_mcam_mod_mac_put(&rxf->rx->bna->mcam_mod, mac); + } + + /* Schedule all entries in active_q for deletion */ + while (!list_empty(&rxf->mcast_active_q)) { + bfa_q_deq(&rxf->mcast_active_q, &qe); + mac = (struct bna_mac *)qe; + bfa_q_qe_init(&mac->qe); + list_add_tail(&mac->qe, &rxf->mcast_pending_del_q); + need_hw_config = 1; + } + + 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); + return; + } + + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); +} + +/* RxF <- Rx */ +void +bna_rx_receive_resume(struct bna_rx *rx, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + + if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_PAUSED) { + rxf->oper_state_cbfn = cbfn; + rxf->oper_state_cbarg = rx->bna->bnad; + bfa_fsm_send_event(rxf, RXF_E_RESUME); + } else if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); +} + +void +bna_rx_receive_pause(struct bna_rx *rx, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + + if (rxf->rxf_oper_state == BNA_RXF_OPER_STATE_RUNNING) { + rxf->oper_state_cbfn = cbfn; + rxf->oper_state_cbarg = rx->bna->bnad; + bfa_fsm_send_event(rxf, RXF_E_PAUSE); + } else if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); +} + +/* RxF <- bnad */ +enum bna_cb_status +bna_rx_ucast_add(struct bna_rx *rx, u8 *addr, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + struct list_head *qe; + struct bna_mac *mac; + + /* Check if already added */ + list_for_each(qe, &rxf->ucast_active_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + return BNA_CB_SUCCESS; + } + } + + /* Check if pending addition */ + list_for_each(qe, &rxf->ucast_pending_add_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + return BNA_CB_SUCCESS; + } + } + + mac = bna_ucam_mod_mac_get(&rxf->rx->bna->ucam_mod); + if (mac == NULL) + return BNA_CB_UCAST_CAM_FULL; + bfa_q_qe_init(&mac->qe); + memcpy(mac->addr, addr, ETH_ALEN); + list_add_tail(&mac->qe, &rxf->ucast_pending_add_q); + + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + + return BNA_CB_SUCCESS; +} + +/* RxF <- bnad */ +enum bna_cb_status +bna_rx_ucast_del(struct bna_rx *rx, u8 *addr, + void (*cbfn)(struct bnad *, struct bna_rx *, + enum bna_cb_status)) +{ + struct bna_rxf *rxf = &rx->rxf; + struct list_head *qe; + struct bna_mac *mac; + + list_for_each(qe, &rxf->ucast_pending_add_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + list_del(qe); + bfa_q_qe_init(qe); + bna_ucam_mod_mac_put(&rxf->rx->bna->ucam_mod, mac); + if (cbfn) + (*cbfn)(rx->bna->bnad, rx, BNA_CB_SUCCESS); + return BNA_CB_SUCCESS; + } + } + + list_for_each(qe, &rxf->ucast_active_q) { + mac = (struct bna_mac *)qe; + if (BNA_MAC_IS_EQUAL(mac->addr, addr)) { + list_del(qe); + bfa_q_qe_init(qe); + list_add_tail(qe, &rxf->ucast_pending_del_q); + rxf->cam_fltr_cbfn = cbfn; + rxf->cam_fltr_cbarg = rx->bna->bnad; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + return BNA_CB_SUCCESS; + } + } + + return BNA_CB_INVALID_MAC; +} + +/* 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; + + /* Error checks */ + + 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 default mode is already enabled in the system */ + if (rx->bna->rxf_default_id != BFI_MAX_RXF) + goto err_return; + + /* Trying to enable promiscuous and default mode together */ + if (is_default_enable(new_mode, bitmask)) + goto err_return; + } + + if (is_default_enable(new_mode, bitmask)) { + /* If default mode is already enabled elsewhere in the system */ + if ((rx->bna->rxf_default_id != BFI_MAX_RXF) && + (rx->bna->rxf_default_id != rxf->rxf_id)) { + goto err_return; + } + + /* If promiscuous mode is already enabled in the system */ + if (rx->bna->rxf_promisc_id != BFI_MAX_RXF) + goto err_return; + } + + /* Process the commands */ + + if (is_promisc_enable(new_mode, bitmask)) { + 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_default_enable(new_mode, bitmask)) { + if (rxf_default_enable(rxf)) + need_hw_config = 1; + } else if (is_default_disable(new_mode, bitmask)) { + if (rxf_default_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; +} + +/* RxF <- bnad */ +void +bna_rx_rss_enable(struct bna_rx *rx) +{ + struct bna_rxf *rxf = &rx->rxf; + + rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING; + rxf->rss_status = BNA_STATUS_T_ENABLED; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); +} + +/* RxF <- bnad */ +void +bna_rx_rss_disable(struct bna_rx *rx) +{ + struct bna_rxf *rxf = &rx->rxf; + + rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING; + rxf->rss_status = BNA_STATUS_T_DISABLED; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); +} + +/* RxF <- bnad */ +void +bna_rx_rss_reconfig(struct bna_rx *rx, struct bna_rxf_rss *rss_config) +{ + struct bna_rxf *rxf = &rx->rxf; + rxf->rxf_flags |= BNA_RXF_FL_RSS_CONFIG_PENDING; + rxf->rss_status = BNA_STATUS_T_ENABLED; + rxf->rss_cfg = *rss_config; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); +} + +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); + } +} + +/* RxF <- bnad */ +void +bna_rx_vlanfilter_disable(struct bna_rx *rx) +{ + struct bna_rxf *rxf = &rx->rxf; + + if (rxf->vlan_filter_status == BNA_STATUS_T_ENABLED) { + rxf->rxf_flags |= BNA_RXF_FL_VLAN_CONFIG_PENDING; + rxf->vlan_filter_status = BNA_STATUS_T_DISABLED; + bfa_fsm_send_event(rxf, RXF_E_CAM_FLTR_MOD); + } +} + +/* Rx */ + +struct bna_rxp * +bna_rx_get_rxp(struct bna_rx *rx, int vector) +{ + struct bna_rxp *rxp; + struct list_head *qe; + + list_for_each(qe, &rx->rxp_q) { + rxp = (struct bna_rxp *)qe; + if (rxp->vector == vector) + return rxp; + } + return NULL; +} + +/* + * bna_rx_rss_rit_set() + * Sets the Q ids for the specified msi-x vectors in the RIT. + * Maximum rit size supported is 64, which should be the max size of the + * vectors array. + */ + +void +bna_rx_rss_rit_set(struct bna_rx *rx, unsigned int *vectors, int nvectors) +{ + int i; + struct bna_rxp *rxp; + struct bna_rxq *q0 = NULL, *q1 = NULL; + struct bna *bna; + struct bna_rxf *rxf; + + /* Build the RIT contents for this RX */ + bna = rx->bna; + + rxf = &rx->rxf; + for (i = 0; i < nvectors; i++) { + rxp = bna_rx_get_rxp(rx, vectors[i]); + + GET_RXQS(rxp, q0, q1); + rxf->rit_segment->rit[i].large_rxq_id = q0->rxq_id; + rxf->rit_segment->rit[i].small_rxq_id = (q1 ? q1->rxq_id : 0); + } + + rxf->rit_segment->rit_size = nvectors; + + /* Subsequent call to enable/reconfig RSS will update the RIT in h/w */ +} + +/* 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, 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 */ +enum bna_cb_status +bna_tx_prio_set(struct bna_tx *tx, int prio, + void (*cbfn)(struct bnad *, struct bna_tx *, + enum bna_cb_status)) +{ + if (tx->flags & BNA_TX_F_PRIO_LOCK) + return BNA_CB_FAIL; + else { + tx->prio_change_cbfn = cbfn; + bna_tx_prio_changed(tx, prio); + } + + return BNA_CB_SUCCESS; +} + +/* 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_default_id = BFI_MAX_RXF; + 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]); +} |