diff options
Diffstat (limited to 'package/kernel/mac80211/patches/344-0002-brcmfmac-Limit-memory-allocs-to-64K.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/344-0002-brcmfmac-Limit-memory-allocs-to-64K.patch | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/package/kernel/mac80211/patches/344-0002-brcmfmac-Limit-memory-allocs-to-64K.patch b/package/kernel/mac80211/patches/344-0002-brcmfmac-Limit-memory-allocs-to-64K.patch deleted file mode 100644 index 9c336f774f..0000000000 --- a/package/kernel/mac80211/patches/344-0002-brcmfmac-Limit-memory-allocs-to-64K.patch +++ /dev/null @@ -1,127 +0,0 @@ -From: Hante Meuleman <meuleman@broadcom.com> -Date: Wed, 17 Feb 2016 11:26:51 +0100 -Subject: [PATCH] brcmfmac: Limit memory allocs to <64K - -Some systems have problems with allocating memory allocation larger -then 64K. Often on unload/load or suspend/resume a failure is -reported: Could not allocate wiphy device. This patch makes the -escan intermediate storage buf dynamically allocated, and smaller -than 64K. - -Reviewed-by: Arend Van Spriel <arend@broadcom.com> -Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> -Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> -Signed-off-by: Hante Meuleman <meuleman@broadcom.com> -Signed-off-by: Arend van Spriel <arend@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c -@@ -1125,7 +1125,7 @@ brcmf_cfg80211_escan(struct wiphy *wiphy - - /* Arm scan timeout timer */ - mod_timer(&cfg->escan_timeout, jiffies + -- WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); -+ BRCMF_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); - - return 0; - -@@ -3020,7 +3020,7 @@ brcmf_cfg80211_escan_handler(struct brcm - - list = (struct brcmf_scan_results *) - cfg->escan_info.escan_buf; -- if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { -+ if (bi_length > BRCMF_ESCAN_BUF_SIZE - list->buflen) { - brcmf_err("Buffer is too small: ignoring\n"); - goto exit; - } -@@ -3033,8 +3033,8 @@ brcmf_cfg80211_escan_handler(struct brcm - bss_info_le)) - goto exit; - } -- memcpy(&(cfg->escan_info.escan_buf[list->buflen]), -- bss_info_le, bi_length); -+ memcpy(&cfg->escan_info.escan_buf[list->buflen], bss_info_le, -+ bi_length); - list->version = le32_to_cpu(bss_info_le->version); - list->buflen += bi_length; - list->count++; -@@ -5402,14 +5402,14 @@ static void brcmf_deinit_priv_mem(struct - { - kfree(cfg->conf); - cfg->conf = NULL; -- kfree(cfg->escan_ioctl_buf); -- cfg->escan_ioctl_buf = NULL; - kfree(cfg->extra_buf); - cfg->extra_buf = NULL; - kfree(cfg->wowl.nd); - cfg->wowl.nd = NULL; - kfree(cfg->wowl.nd_info); - cfg->wowl.nd_info = NULL; -+ kfree(cfg->escan_info.escan_buf); -+ cfg->escan_info.escan_buf = NULL; - } - - static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_info *cfg) -@@ -5417,9 +5417,6 @@ static s32 brcmf_init_priv_mem(struct br - cfg->conf = kzalloc(sizeof(*cfg->conf), GFP_KERNEL); - if (!cfg->conf) - goto init_priv_mem_out; -- cfg->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); -- if (!cfg->escan_ioctl_buf) -- goto init_priv_mem_out; - cfg->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); - if (!cfg->extra_buf) - goto init_priv_mem_out; -@@ -5431,6 +5428,9 @@ static s32 brcmf_init_priv_mem(struct br - GFP_KERNEL); - if (!cfg->wowl.nd_info) - goto init_priv_mem_out; -+ cfg->escan_info.escan_buf = kzalloc(BRCMF_ESCAN_BUF_SIZE, GFP_KERNEL); -+ if (!cfg->escan_info.escan_buf) -+ goto init_priv_mem_out; - - return 0; - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h -@@ -28,8 +28,11 @@ - #define WL_ROAM_TRIGGER_LEVEL -75 - #define WL_ROAM_DELTA 20 - --#define WL_ESCAN_BUF_SIZE (1024 * 64) --#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ -+/* Keep BRCMF_ESCAN_BUF_SIZE below 64K (65536). Allocing over 64K can be -+ * problematic on some systems and should be avoided. -+ */ -+#define BRCMF_ESCAN_BUF_SIZE 65000 -+#define BRCMF_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */ - - #define WL_ESCAN_ACTION_START 1 - #define WL_ESCAN_ACTION_CONTINUE 2 -@@ -205,7 +208,7 @@ enum wl_escan_state { - - struct escan_info { - u32 escan_state; -- u8 escan_buf[WL_ESCAN_BUF_SIZE]; -+ u8 *escan_buf; - struct wiphy *wiphy; - struct brcmf_if *ifp; - s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp, -@@ -278,7 +281,6 @@ struct brcmf_cfg80211_wowl { - * @escan_info: escan information. - * @escan_timeout: Timer for catch scan timeout. - * @escan_timeout_work: scan timeout worker. -- * @escan_ioctl_buf: dongle command buffer for escan commands. - * @vif_list: linked list of vif instances. - * @vif_cnt: number of vif instances. - * @vif_event: vif event signalling. -@@ -309,7 +311,6 @@ struct brcmf_cfg80211_info { - struct escan_info escan_info; - struct timer_list escan_timeout; - struct work_struct escan_timeout_work; -- u8 *escan_ioctl_buf; - struct list_head vif_list; - struct brcmf_cfg80211_vif_event vif_event; - struct completion vif_disabled; |