From 368b1b0f4b0328f488780605c423aafe1e6235b5 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Mon, 14 Nov 2011 19:31:38 +0200 Subject: [PATCH] ath6kl: add firmware IE for maximum number of vifs Not all firmwares support multiple vifs and we need to read the limit from the firmware image. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/core.h | 3 ++- drivers/net/wireless/ath/ath6kl/init.c | 11 +++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h index 6fdaaf7321e1..b1855641f827 100644 --- a/drivers/net/wireless/ath/ath6kl/core.h +++ b/drivers/net/wireless/ath/ath6kl/core.h @@ -71,6 +71,7 @@ enum ath6kl_fw_ie_type { ATH6KL_FW_IE_CAPABILITIES = 6, ATH6KL_FW_IE_PATCH_ADDR = 7, ATH6KL_FW_IE_BOARD_ADDR = 8, + ATH6KL_FW_IE_VIF_MAX = 9, }; enum ath6kl_fw_capability { @@ -502,7 +503,7 @@ struct ath6kl { /* Lock to avoid race in vif_list entries among add/del/traverse */ spinlock_t list_lock; u8 num_vif; - int vif_max; + unsigned int vif_max; u8 max_norm_iface; u8 avail_idx_map; spinlock_t lock; diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 0f7246166562..6c4f6a9567ce 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -963,6 +963,17 @@ static int ath6kl_fetch_fw_api2(struct ath6kl *ar) "found board address ie 0x%x\n", ar->hw.board_addr); break; + case ATH6KL_FW_IE_VIF_MAX: + if (ie_len != sizeof(*val)) + break; + + val = (__le32 *) data; + ar->vif_max = min_t(unsigned int, le32_to_cpup(val), + ATH6KL_VIF_MAX); + + ath6kl_dbg(ATH6KL_DBG_BOOT, + "found vif max ie %d\n", ar->vif_max); + break; default: ath6kl_dbg(ATH6KL_DBG_BOOT, "Unknown fw ie: %u\n", le32_to_cpup(&hdr->id)); -- 2.30.2