From 81cc4650ca808ea3105df5e4ee56b1851b1b2859 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Wed, 29 Jun 2011 16:47:16 -0700 Subject: [PATCH] staging: brcm80211: remove conditional SIMPLE_ISCAN code Code between #ifdef SIMPLE_ISCAN is not enabled and unnecessary. It has been removed from the fullmac driver. Signed-off-by: Arend van Spriel Reviewed-by: Roland Vossen Reviewed-by: Franky Lin Signed-off-by: Greg Kroah-Hartman --- .../staging/brcm80211/brcmfmac/dhd_common.c | 391 ------------------ 1 file changed, 391 deletions(-) diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_common.c b/drivers/staging/brcm80211/brcmfmac/dhd_common.c index 70d25913799e..a255d3de51e0 100644 --- a/drivers/staging/brcm80211/brcmfmac/dhd_common.c +++ b/drivers/staging/brcm80211/brcmfmac/dhd_common.c @@ -35,11 +35,6 @@ int brcmf_msg_level; char brcmf_fw_path[MOD_PARAM_PATHLEN]; char brcmf_nv_path[MOD_PARAM_PATHLEN]; -extern void dhd_ind_scan_confirm(void *h, bool status); -extern int dhd_wl_ioctl(dhd_pub_t *dhd, uint cmd, char *buf, uint buflen); -void dhd_iscan_lock(void); -void dhd_iscan_unlock(void); - /* Packet alignment for most efficient SDIO (can change based on platform) */ #ifndef DHD_SDALIGN #define DHD_SDALIGN 32 @@ -1325,392 +1320,6 @@ int brcmf_c_preinit_ioctls(dhd_pub_t *dhd) return 0; } -#ifdef SIMPLE_ISCAN -uint iscan_thread_id; -iscan_buf_t *iscan_chain; - -iscan_buf_t *dhd_iscan_allocate_buf(dhd_pub_t *dhd, iscan_buf_t **iscanbuf) -{ - iscan_buf_t *iscanbuf_alloc = 0; - iscan_buf_t *iscanbuf_head; - - dhd_iscan_lock(); - - iscanbuf_alloc = kmalloc(sizeof(iscan_buf_t), GFP_ATOMIC); - if (iscanbuf_alloc == NULL) - goto fail; - - iscanbuf_alloc->next = NULL; - iscanbuf_head = *iscanbuf; - - DHD_ISCAN(("%s: addr of allocated node = 0x%X" - "addr of iscanbuf_head = 0x%X dhd = 0x%X\n", - __func__, iscanbuf_alloc, iscanbuf_head, dhd)); - - if (iscanbuf_head == NULL) { - *iscanbuf = iscanbuf_alloc; - DHD_ISCAN(("%s: Head is allocated\n", __func__)); - goto fail; - } - - while (iscanbuf_head->next) - iscanbuf_head = iscanbuf_head->next; - - iscanbuf_head->next = iscanbuf_alloc; - -fail: - dhd_iscan_unlock(); - return iscanbuf_alloc; -} - -void dhd_iscan_free_buf(void *dhdp, iscan_buf_t *iscan_delete) -{ - iscan_buf_t *iscanbuf_free = 0; - iscan_buf_t *iscanbuf_prv = 0; - iscan_buf_t *iscanbuf_cur = iscan_chain; - dhd_pub_t *dhd = dhd_bus_pub(dhdp); - - dhd_iscan_lock(); - /* If iscan_delete is null then delete the entire - * chain or else delete specific one provided - */ - if (!iscan_delete) { - while (iscanbuf_cur) { - iscanbuf_free = iscanbuf_cur; - iscanbuf_cur = iscanbuf_cur->next; - iscanbuf_free->next = 0; - kfree(iscanbuf_free); - } - iscan_chain = 0; - } else { - while (iscanbuf_cur) { - if (iscanbuf_cur == iscan_delete) - break; - iscanbuf_prv = iscanbuf_cur; - iscanbuf_cur = iscanbuf_cur->next; - } - if (iscanbuf_prv) - iscanbuf_prv->next = iscan_delete->next; - - iscan_delete->next = 0; - kfree(iscan_delete); - - if (!iscanbuf_prv) - iscan_chain = 0; - } - dhd_iscan_unlock(); -} - -iscan_buf_t *dhd_iscan_result_buf(void) -{ - return iscan_chain; -} - -/* -* print scan cache -* print partial iscan_skip list differently -*/ -int dhd_iscan_print_cache(iscan_buf_t *iscan_skip) -{ - int i = 0, l = 0; - iscan_buf_t *iscan_cur; - wl_iscan_results_t *list; - wl_scan_results_t *results; - wl_bss_info_t UNALIGNED *bi; - - dhd_iscan_lock(); - - iscan_cur = dhd_iscan_result_buf(); - - while (iscan_cur) { - list = (wl_iscan_results_t *)iscan_cur->iscan_buf; - if (!list) - break; - - results = (wl_scan_results_t *)&list->results; - if (!results) - break; - - if (results->version != WL_BSS_INFO_VERSION) { - DHD_ISCAN(("%s: results->version %d != " - "WL_BSS_INFO_VERSION\n", - __func__, results->version)); - goto done; - } - - bi = results->bss_info; - for (i = 0; i < results->count; i++) { - if (!bi) - break; - - DHD_ISCAN(("%s[%2.2d:%2.2d] %X:%X:%X:%X:%X:%X\n", - iscan_cur != iscan_skip ? "BSS" : "bss", l, - i, bi->BSSID.octet[0], bi->BSSID.octet[1], - bi->BSSID.octet[2], bi->BSSID.octet[3], - bi->BSSID.octet[4], bi->BSSID.octet[5])); - - bi = (wl_bss_info_t *)((unsigned long)bi + bi->length); - } - iscan_cur = iscan_cur->next; - l++; - } - -done: - dhd_iscan_unlock(); - return 0; -} - -/* -* delete disappeared AP from specific scan cache but skip partial -* list in iscan_skip -*/ -int dhd_iscan_delete_bss(void *dhdp, void *addr, iscan_buf_t *iscan_skip) -{ - int i = 0, j = 0, l = 0; - iscan_buf_t *iscan_cur; - wl_iscan_results_t *list; - wl_scan_results_t *results; - wl_bss_info_t UNALIGNED *bi, *bi_new, *bi_next; - - unsigned char *s_addr = addr; - - dhd_iscan_lock(); - DHD_ISCAN(("%s: BSS to remove %X:%X:%X:%X:%X:%X\n", - __func__, s_addr[0], s_addr[1], s_addr[2], - s_addr[3], s_addr[4], s_addr[5])); - - iscan_cur = dhd_iscan_result_buf(); - - while (iscan_cur) { - if (iscan_cur != iscan_skip) { - list = (wl_iscan_results_t *)iscan_cur->iscan_buf; - if (!list) - break; - - results = (wl_scan_results_t *)&list->results; - if (!results) - break; - - if (results->version != WL_BSS_INFO_VERSION) { - DHD_ERROR(("%s: results->version %d != " - "WL_BSS_INFO_VERSION\n", - __func__, results->version)); - goto done; - } - - bi = results->bss_info; - for (i = 0; i < results->count; i++) { - if (!bi) - break; - - if (!memcmp - (bi->BSSID.octet, addr, ETH_ALEN)) { - DHD_ISCAN(("%s: Del BSS[%2.2d:%2.2d] " - "%X:%X:%X:%X:%X:%X\n", - __func__, l, i, bi->BSSID.octet[0], - bi->BSSID.octet[1], bi->BSSID.octet[2], - bi->BSSID.octet[3], bi->BSSID.octet[4], - bi->BSSID.octet[5])); - - bi_new = bi; - bi = (wl_bss_info_t *)((unsigned long) - bi + bi->length); -/* - if(bi && bi_new) { - memcpy(bi_new, bi, results->buflen - - bi_new->length); - results->buflen -= bi_new->length; - } -*/ - results->buflen -= bi_new->length; - results->count--; - - for (j = i; j < results->count; j++) { - if (bi && bi_new) { - DHD_ISCAN(("%s: Moved up BSS[%2.2d:%2.2d]" "%X:%X:%X:%X:%X:%X\n", - __func__, l, j, - bi->BSSID.octet[0], - bi->BSSID.octet[1], - bi->BSSID.octet[2], - bi->BSSID.octet[3], - bi->BSSID.octet[4], - bi->BSSID.octet[5])); - - bi_next = - (wl_bss_info_t *)((unsigned long)bi + - bi->length); - memcpy(bi_new, bi, - bi->length); - bi_new = - (wl_bss_info_t *)((unsigned long)bi_new + - bi_new-> - length); - bi = bi_next; - } - } - - if (results->count == 0) { - /* Prune now empty partial - scan list */ - dhd_iscan_free_buf(dhdp, - iscan_cur); - goto done; - } - break; - } - bi = (wl_bss_info_t *)((unsigned long)bi + - bi->length); - } - } - iscan_cur = iscan_cur->next; - l++; - } - -done: - dhd_iscan_unlock(); - return 0; -} - -int dhd_iscan_remove_duplicates(void *dhdp, iscan_buf_t *iscan_cur) -{ - int i = 0; - wl_iscan_results_t *list; - wl_scan_results_t *results; - wl_bss_info_t UNALIGNED *bi, *bi_new, *bi_next; - - dhd_iscan_lock(); - - DHD_ISCAN(("%s: Scan cache before delete\n", __func__)); - dhd_iscan_print_cache(iscan_cur); - - if (!iscan_cur) - goto done; - - list = (wl_iscan_results_t *)iscan_cur->iscan_buf; - if (!list) - goto done; - - results = (wl_scan_results_t *)&list->results; - if (!results) - goto done; - - if (results->version != WL_BSS_INFO_VERSION) { - DHD_ERROR(("%s: results->version %d != WL_BSS_INFO_VERSION\n", - __func__, results->version)); - goto done; - } - - bi = results->bss_info; - for (i = 0; i < results->count; i++) { - if (!bi) - break; - - DHD_ISCAN(("%s: Find dups for BSS[%2.2d] %X:%X:%X:%X:%X:%X\n", - __func__, i, bi->BSSID.octet[0], - bi->BSSID.octet[1], bi->BSSID.octet[2], - bi->BSSID.octet[3], bi->BSSID.octet[4], - bi->BSSID.octet[5])); - - dhd_iscan_delete_bss(dhdp, bi->BSSID.octet, iscan_cur); - - bi = (wl_bss_info_t *)((unsigned long)bi + bi->length); - } - -done: - DHD_ISCAN(("%s: Scan cache after delete\n", __func__)); - dhd_iscan_print_cache(iscan_cur); - dhd_iscan_unlock(); - return 0; -} - -void dhd_iscan_ind_scan_confirm(void *dhdp, bool status) -{ - - dhd_ind_scan_confirm(dhdp, status); -} - -int dhd_iscan_request(void *dhdp, u16 action) -{ - int rc; - wl_iscan_params_t params; - dhd_pub_t *dhd = dhd_bus_pub(dhdp); - char buf[BRCMF_C_IOCTL_SMLEN]; - - memset(¶ms, 0, sizeof(wl_iscan_params_t)); - memcpy(¶ms.params.bssid, ðer_bcast, ETH_ALEN); - - params.params.bss_type = DOT11_BSSTYPE_ANY; - params.params.scan_type = DOT11_SCANTYPE_ACTIVE; - - params.params.nprobes = -1; - params.params.active_time = -1; - params.params.passive_time = -1; - params.params.home_time = -1; - params.params.channel_num = 0; - - params.version = ISCAN_REQ_VERSION; - params.action = action; - params.scan_duration = 0; - - brcmu_mkiovar("iscan", (char *)¶ms, sizeof(wl_iscan_params_t), buf, - BRCMF_C_IOCTL_SMLEN); - rc = dhd_wl_ioctl(dhdp, BRCMF_C_SET_VAR, buf, BRCMF_C_IOCTL_SMLEN); - - return rc; -} - -static int dhd_iscan_get_partial_result(void *dhdp, uint *scan_count) -{ - wl_iscan_results_t *list_buf; - wl_iscan_results_t list; - wl_scan_results_t *results; - iscan_buf_t *iscan_cur; - int status = -1; - dhd_pub_t *dhd = dhd_bus_pub(dhdp); - int rc; - - iscan_cur = dhd_iscan_allocate_buf(dhd, &iscan_chain); - if (!iscan_cur) { - DHD_ERROR(("%s: Failed to allocate node\n", __func__)); - dhd_iscan_free_buf(dhdp, 0); - dhd_iscan_request(dhdp, WL_SCAN_ACTION_ABORT); - goto fail; - } - - dhd_iscan_lock(); - - memset(iscan_cur->iscan_buf, 0, WLC_IW_ISCAN_MAXLEN); - list_buf = (wl_iscan_results_t *) iscan_cur->iscan_buf; - results = &list_buf->results; - results->buflen = WL_ISCAN_RESULTS_FIXED_SIZE; - results->version = 0; - results->count = 0; - - memset(&list, 0, sizeof(list)); - list.results.buflen = WLC_IW_ISCAN_MAXLEN; - brcmu_mkiovar("iscanresults", (char *)&list, - WL_ISCAN_RESULTS_FIXED_SIZE, - iscan_cur->iscan_buf, WLC_IW_ISCAN_MAXLEN); - rc = dhd_wl_ioctl(dhdp, BRCMF_C_GET_VAR, iscan_cur->iscan_buf, - WLC_IW_ISCAN_MAXLEN); - - results->buflen = results->buflen; - results->version = results->version; - *scan_count = results->count = results->count; - status = list_buf->status; - - dhd_iscan_unlock(); - - if (!(*scan_count)) - dhd_iscan_free_buf(dhdp, iscan_cur); - else - dhd_iscan_remove_duplicates(dhdp, iscan_cur); - -fail: - return status; -} -#endif /* SIMPLE_ISCAN */ - #ifdef PNO_SUPPORT int dhd_pno_clean(dhd_pub_t *dhd) {