diff options
Diffstat (limited to 'drivers/net/bna/bna_ctrl.c')
| -rw-r--r-- | drivers/net/bna/bna_ctrl.c | 136 |
1 files changed, 106 insertions, 30 deletions
diff --git a/drivers/net/bna/bna_ctrl.c b/drivers/net/bna/bna_ctrl.c index 07b26598546e..68e4c5eced53 100644 --- a/drivers/net/bna/bna_ctrl.c +++ b/drivers/net/bna/bna_ctrl.c @@ -59,14 +59,70 @@ bna_port_cb_link_down(struct bna_port *port, int status) 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) { - return msg_id == BFI_LL_I2H_LINK_DOWN_AEN || - msg_id == BFI_LL_I2H_LINK_UP_AEN; + 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 @@ -81,6 +137,12 @@ bna_mbox_aen_callback(struct bna *bna, struct bfi_mbmsg *msg) 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; } @@ -251,16 +313,6 @@ 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, @@ -320,7 +372,7 @@ bna_llport_sm_stopped(struct bna_llport *llport, /* No-op */ break; - case LLPORT_E_FWRESP_UP: + case LLPORT_E_FWRESP_UP_OK: case LLPORT_E_FWRESP_DOWN: /** * These events are received due to flushing of mbox when @@ -366,6 +418,7 @@ bna_llport_sm_down(struct bna_llport *llport, 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 @@ -390,10 +443,14 @@ bna_llport_sm_up_resp_wait(struct bna_llport *llport, bfa_fsm_set_state(llport, bna_llport_sm_down_resp_wait); break; - case LLPORT_E_FWRESP_UP: + 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); @@ -431,11 +488,12 @@ bna_llport_sm_down_resp_wait(struct bna_llport *llport, bfa_fsm_set_state(llport, bna_llport_sm_up_resp_wait); break; - case LLPORT_E_FWRESP_UP: + 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; @@ -496,11 +554,12 @@ bna_llport_sm_last_resp_wait(struct bna_llport *llport, /* No-op */ break; - case LLPORT_E_FWRESP_UP: + 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; @@ -541,7 +600,14 @@ 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); + 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 @@ -588,13 +654,14 @@ bna_port_cb_llport_stopped(struct bna_port *port, static void bna_llport_init(struct bna_llport *llport, struct bna *bna) { - llport->flags |= BNA_LLPORT_F_ENABLED; + 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->admin_up_count = 0; + llport->rx_started_count = 0; llport->stop_cbfn = NULL; @@ -606,7 +673,8 @@ bna_llport_init(struct bna_llport *llport, struct bna *bna) static void bna_llport_uninit(struct bna_llport *llport) { - llport->flags &= ~BNA_LLPORT_F_ENABLED; + llport->flags &= ~BNA_LLPORT_F_ADMIN_UP; + llport->flags &= ~BNA_LLPORT_F_PORT_ENABLED; llport->bna = NULL; } @@ -628,6 +696,8 @@ bna_llport_stop(struct bna_llport *llport) 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); } @@ -638,25 +708,31 @@ bna_llport_state_get(struct bna_llport *llport) } void -bna_llport_admin_up(struct bna_llport *llport) +bna_llport_rx_started(struct bna_llport *llport) { - llport->admin_up_count++; + llport->rx_started_count++; + + if (llport->rx_started_count == 1) { + + llport->flags |= BNA_LLPORT_F_RX_STARTED; - if (llport->admin_up_count == 1) { - llport->flags |= BNA_LLPORT_F_RX_ENABLED; - if (llport->flags & BNA_LLPORT_F_ENABLED) + if (llport_can_be_up(llport)) bfa_fsm_send_event(llport, LLPORT_E_UP); } } void -bna_llport_admin_down(struct bna_llport *llport) +bna_llport_rx_stopped(struct bna_llport *llport) { - llport->admin_up_count--; + 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->admin_up_count == 0) { - llport->flags &= ~BNA_LLPORT_F_RX_ENABLED; - if (llport->flags & BNA_LLPORT_F_ENABLED) + if (llport_up) bfa_fsm_send_event(llport, LLPORT_E_DOWN); } } |