diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c | 152 |
1 files changed, 113 insertions, 39 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c index 68960ae98987..f0b6a7607f16 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c @@ -14,7 +14,8 @@ #include "fweh.h" #include "fwil.h" #include "proto.h" - +#include "bus.h" +#include "fwvid.h" /** * struct brcmf_fweh_queue_item - event item on event queue. * @@ -28,7 +29,7 @@ */ struct brcmf_fweh_queue_item { struct list_head q; - enum brcmf_fweh_event_code code; + u32 code; u8 ifidx; u8 ifaddr[ETH_ALEN]; struct brcmf_event_msg_be emsg; @@ -94,7 +95,7 @@ static void brcmf_fweh_queue_event(struct brcmf_fweh_info *fweh, static int brcmf_fweh_call_event_handler(struct brcmf_pub *drvr, struct brcmf_if *ifp, - enum brcmf_fweh_event_code code, + u32 fwcode, struct brcmf_event_msg *emsg, void *data) { @@ -102,13 +103,13 @@ static int brcmf_fweh_call_event_handler(struct brcmf_pub *drvr, int err = -EINVAL; if (ifp) { - fweh = &ifp->drvr->fweh; + fweh = ifp->drvr->fweh; /* handle the event if valid interface and handler */ - if (fweh->evt_handler[code]) - err = fweh->evt_handler[code](ifp, emsg, data); + if (fweh->evt_handler[fwcode]) + err = fweh->evt_handler[fwcode](ifp, emsg, data); else - bphy_err(drvr, "unhandled event %d ignored\n", code); + bphy_err(drvr, "unhandled fwevt %d ignored\n", fwcode); } else { bphy_err(drvr, "no interface object\n"); } @@ -142,7 +143,7 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, is_p2pdev = ((ifevent->flags & BRCMF_E_IF_FLAG_NOIF) && (ifevent->role == BRCMF_E_IF_ROLE_P2P_CLIENT || ((ifevent->role == BRCMF_E_IF_ROLE_STA) && - (drvr->fweh.p2pdev_setup_ongoing)))); + (drvr->fweh->p2pdev_setup_ongoing)))); if (!is_p2pdev && (ifevent->flags & BRCMF_E_IF_FLAG_NOIF)) { brcmf_dbg(EVENT, "event can be ignored\n"); return; @@ -163,7 +164,7 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, return; if (!is_p2pdev) brcmf_proto_add_if(drvr, ifp); - if (!drvr->fweh.evt_handler[BRCMF_E_IF]) + if (!drvr->fweh->evt_handler[BRCMF_E_IF]) if (brcmf_net_attach(ifp, false) < 0) return; } @@ -183,6 +184,45 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr, } } +static void brcmf_fweh_map_event_code(struct brcmf_fweh_info *fweh, + enum brcmf_fweh_event_code code, + u32 *fw_code) +{ + int i; + + if (WARN_ON(!fw_code)) + return; + + *fw_code = code; + if (fweh->event_map) { + for (i = 0; i < fweh->event_map->n_items; i++) { + if (fweh->event_map->items[i].code == code) { + *fw_code = fweh->event_map->items[i].fwevt_code; + break; + } + } + } +} + +static void brcmf_fweh_map_fwevt_code(struct brcmf_fweh_info *fweh, u32 fw_code, + enum brcmf_fweh_event_code *code) +{ + int i; + + if (WARN_ON(!code)) + return; + + *code = fw_code; + if (fweh->event_map) { + for (i = 0; i < fweh->event_map->n_items; i++) { + if (fweh->event_map->items[i].fwevt_code == fw_code) { + *code = fweh->event_map->items[i].code; + break; + } + } + } +} + /** * brcmf_fweh_dequeue_event() - get event from the queue. * @@ -221,15 +261,19 @@ static void brcmf_fweh_event_worker(struct work_struct *work) struct brcmf_event_msg emsg; fweh = container_of(work, struct brcmf_fweh_info, event_work); - drvr = container_of(fweh, struct brcmf_pub, fweh); + drvr = fweh->drvr; while ((event = brcmf_fweh_dequeue_event(fweh))) { - brcmf_dbg(EVENT, "event %s (%u) ifidx %u bsscfg %u addr %pM\n", - brcmf_fweh_event_name(event->code), event->code, + enum brcmf_fweh_event_code code; + + brcmf_fweh_map_fwevt_code(fweh, event->code, &code); + brcmf_dbg(EVENT, "event %s (%u:%u) ifidx %u bsscfg %u addr %pM\n", + brcmf_fweh_event_name(code), code, event->code, event->emsg.ifidx, event->emsg.bsscfgidx, event->emsg.addr); if (event->emsg.bsscfgidx >= BRCMF_MAX_IFS) { - bphy_err(drvr, "invalid bsscfg index: %u\n", event->emsg.bsscfgidx); + bphy_err(drvr, "invalid bsscfg index: %u\n", + event->emsg.bsscfgidx); goto event_free; } @@ -237,7 +281,7 @@ static void brcmf_fweh_event_worker(struct work_struct *work) emsg_be = &event->emsg; emsg.version = be16_to_cpu(emsg_be->version); emsg.flags = be16_to_cpu(emsg_be->flags); - emsg.event_code = event->code; + emsg.event_code = code; emsg.status = be32_to_cpu(emsg_be->status); emsg.reason = be32_to_cpu(emsg_be->reason); emsg.auth_type = be32_to_cpu(emsg_be->auth_type); @@ -283,7 +327,7 @@ event_free: */ void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing) { - ifp->drvr->fweh.p2pdev_setup_ongoing = ongoing; + ifp->drvr->fweh->p2pdev_setup_ongoing = ongoing; } /** @@ -291,12 +335,27 @@ void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing) * * @drvr: driver information object. */ -void brcmf_fweh_attach(struct brcmf_pub *drvr) +int brcmf_fweh_attach(struct brcmf_pub *drvr) { - struct brcmf_fweh_info *fweh = &drvr->fweh; + struct brcmf_fweh_info *fweh; + int err; + + err = brcmf_fwvid_alloc_fweh_info(drvr); + if (err < 0) + return err; + + fweh = drvr->fweh; + fweh->drvr = drvr; + + fweh->event_mask_len = DIV_ROUND_UP(fweh->num_event_codes, 8); + fweh->event_mask = kzalloc(fweh->event_mask_len, GFP_KERNEL); + if (!fweh->event_mask) + return -ENOMEM; + INIT_WORK(&fweh->event_work, brcmf_fweh_event_worker); spin_lock_init(&fweh->evt_q_lock); INIT_LIST_HEAD(&fweh->event_q); + return 0; } /** @@ -306,14 +365,19 @@ void brcmf_fweh_attach(struct brcmf_pub *drvr) */ void brcmf_fweh_detach(struct brcmf_pub *drvr) { - struct brcmf_fweh_info *fweh = &drvr->fweh; + struct brcmf_fweh_info *fweh = drvr->fweh; + + if (!fweh) + return; /* cancel the worker if initialized */ if (fweh->event_work.func) { cancel_work_sync(&fweh->event_work); WARN_ON(!list_empty(&fweh->event_q)); - memset(fweh->evt_handler, 0, sizeof(fweh->evt_handler)); } + drvr->fweh = NULL; + kfree(fweh->event_mask); + kfree(fweh); } /** @@ -326,11 +390,17 @@ void brcmf_fweh_detach(struct brcmf_pub *drvr) int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, brcmf_fweh_handler_t handler) { - if (drvr->fweh.evt_handler[code]) { + struct brcmf_fweh_info *fweh = drvr->fweh; + u32 evt_handler_idx; + + brcmf_fweh_map_event_code(fweh, code, &evt_handler_idx); + + if (fweh->evt_handler[evt_handler_idx]) { bphy_err(drvr, "event code %d already registered\n", code); return -ENOSPC; } - drvr->fweh.evt_handler[code] = handler; + + fweh->evt_handler[evt_handler_idx] = handler; brcmf_dbg(TRACE, "event handler registered for %s\n", brcmf_fweh_event_name(code)); return 0; @@ -345,9 +415,12 @@ int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code, void brcmf_fweh_unregister(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code) { + u32 evt_handler_idx; + brcmf_dbg(TRACE, "event handler cleared for %s\n", brcmf_fweh_event_name(code)); - drvr->fweh.evt_handler[code] = NULL; + brcmf_fweh_map_event_code(drvr->fweh, code, &evt_handler_idx); + drvr->fweh->evt_handler[evt_handler_idx] = NULL; } /** @@ -357,27 +430,28 @@ void brcmf_fweh_unregister(struct brcmf_pub *drvr, */ int brcmf_fweh_activate_events(struct brcmf_if *ifp) { - struct brcmf_pub *drvr = ifp->drvr; + struct brcmf_fweh_info *fweh = ifp->drvr->fweh; + enum brcmf_fweh_event_code code; int i, err; - s8 eventmask[BRCMF_EVENTING_MASK_LEN]; - memset(eventmask, 0, sizeof(eventmask)); - for (i = 0; i < BRCMF_E_LAST; i++) { - if (ifp->drvr->fweh.evt_handler[i]) { + memset(fweh->event_mask, 0, fweh->event_mask_len); + for (i = 0; i < fweh->num_event_codes; i++) { + if (fweh->evt_handler[i]) { + brcmf_fweh_map_fwevt_code(fweh, i, &code); brcmf_dbg(EVENT, "enable event %s\n", - brcmf_fweh_event_name(i)); - setbit(eventmask, i); + brcmf_fweh_event_name(code)); + setbit(fweh->event_mask, i); } } /* want to handle IF event as well */ brcmf_dbg(EVENT, "enable event IF\n"); - setbit(eventmask, BRCMF_E_IF); + setbit(fweh->event_mask, BRCMF_E_IF); - err = brcmf_fil_iovar_data_set(ifp, "event_msgs", - eventmask, BRCMF_EVENTING_MASK_LEN); + err = brcmf_fil_iovar_data_set(ifp, "event_msgs", fweh->event_mask, + fweh->event_mask_len); if (err) - bphy_err(drvr, "Set event_msgs error (%d)\n", err); + bphy_err(fweh->drvr, "Set event_msgs error (%d)\n", err); return err; } @@ -397,21 +471,21 @@ void brcmf_fweh_process_event(struct brcmf_pub *drvr, struct brcmf_event *event_packet, u32 packet_len, gfp_t gfp) { - enum brcmf_fweh_event_code code; - struct brcmf_fweh_info *fweh = &drvr->fweh; + u32 fwevt_idx; + struct brcmf_fweh_info *fweh = drvr->fweh; struct brcmf_fweh_queue_item *event; void *data; u32 datalen; /* get event info */ - code = get_unaligned_be32(&event_packet->msg.event_type); + fwevt_idx = get_unaligned_be32(&event_packet->msg.event_type); datalen = get_unaligned_be32(&event_packet->msg.datalen); data = &event_packet[1]; - if (code >= BRCMF_E_LAST) + if (fwevt_idx >= fweh->num_event_codes) return; - if (code != BRCMF_E_IF && !fweh->evt_handler[code]) + if (fwevt_idx != BRCMF_E_IF && !fweh->evt_handler[fwevt_idx]) return; if (datalen > BRCMF_DCMD_MAXLEN || @@ -422,8 +496,8 @@ void brcmf_fweh_process_event(struct brcmf_pub *drvr, if (!event) return; + event->code = fwevt_idx; event->datalen = datalen; - event->code = code; event->ifidx = event_packet->msg.ifidx; /* use memcpy to get aligned event message */ |