From patchwork Thu Dec 9 09:15:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalle Valo X-Patchwork-Id: 523030 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B74CC433F5 for ; Thu, 9 Dec 2021 09:15:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234322AbhLIJT2 (ORCPT ); Thu, 9 Dec 2021 04:19:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230389AbhLIJT2 (ORCPT ); Thu, 9 Dec 2021 04:19:28 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1EB2C061746 for ; Thu, 9 Dec 2021 01:15:54 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 706A2B81FA7 for ; Thu, 9 Dec 2021 09:15:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E374C004DD; Thu, 9 Dec 2021 09:15:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1639041352; bh=FEimqqnZesa480TVcNbq0cAFDsG+3iH7UdvocRivT3E=; h=From:To:Cc:Subject:Date:From; b=lKL+oGxvd0DhROw0gW94CZtJs4oKkPNyZeEKn25EjiJW1CoLWGHOePQxiQGIZyPI+ KpRJbxk3nwH6ijv8ypGxAU8axf/Z+w6lBRVYIgGgn0Af/I89aJyZiD4ckRM6gZvhGi eVc4WOVVW2E/3d6HDgtoftJ3RatgkOYnpOOb5Riux0Rb2mSU+BQVKAGeAidvRlAm2m H67Lkh+abOF/3ReBzrY5nrXHf4msOYvWHtc1Ul4J4CQpPRijgGV7Tq6GcUnd3EPgbR gGIbOz9ZOoL849xFplr7jgeknd6m/DLi76AuZhaGpqhNZJyc2tWB3VGgHvGEsxrj4a G8oSdGUk+Jhvg== From: Kalle Valo To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org Subject: [PATCH 1/2] ath10k: htt: remove array of flexible structures Date: Thu, 9 Dec 2021 11:15:44 +0200 Message-Id: <20211209091545.6098-1-kvalo@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Kalle Valo I updated to sparse v0.6.4 and it warns: drivers/net/wireless/ath/ath10k/hw.c: note: in included file (through drivers/net/wireless/ath/ath10k/core.h): drivers/net/wireless/ath/ath10k/htt.h:1503:41: warning: array of flexible structures drivers/net/wireless/ath/ath10k/htt_rx.c: note: in included file (through drivers/net/wireless/ath/ath10k/core.h): drivers/net/wireless/ath/ath10k/htt.h:1503:41: warning: array of flexible structures The structure is unused in ath10k so let's just remove it. Compile tested only. Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt.h | 110 -------------------------- 1 file changed, 110 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index a6de08d3bf4a..9a3a8907389b 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -1400,115 +1400,6 @@ enum htt_dbg_stats_status { HTT_DBG_STATS_STATUS_SERIES_DONE = 7 }; -/* - * target -> host statistics upload - * - * The following field definitions describe the format of the HTT target - * to host stats upload confirmation message. - * The message contains a cookie echoed from the HTT host->target stats - * upload request, which identifies which request the confirmation is - * for, and a series of tag-length-value stats information elements. - * The tag-length header for each stats info element also includes a - * status field, to indicate whether the request for the stat type in - * question was fully met, partially met, unable to be met, or invalid - * (if the stat type in question is disabled in the target). - * A special value of all 1's in this status field is used to indicate - * the end of the series of stats info elements. - * - * - * |31 16|15 8|7 5|4 0| - * |------------------------------------------------------------| - * | reserved | msg type | - * |------------------------------------------------------------| - * | cookie LSBs | - * |------------------------------------------------------------| - * | cookie MSBs | - * |------------------------------------------------------------| - * | stats entry length | reserved | S |stat type| - * |------------------------------------------------------------| - * | | - * | type-specific stats info | - * | | - * |------------------------------------------------------------| - * | stats entry length | reserved | S |stat type| - * |------------------------------------------------------------| - * | | - * | type-specific stats info | - * | | - * |------------------------------------------------------------| - * | n/a | reserved | 111 | n/a | - * |------------------------------------------------------------| - * Header fields: - * - MSG_TYPE - * Bits 7:0 - * Purpose: identifies this is a statistics upload confirmation message - * Value: 0x9 - * - COOKIE_LSBS - * Bits 31:0 - * Purpose: Provide a mechanism to match a target->host stats confirmation - * message with its preceding host->target stats request message. - * Value: LSBs of the opaque cookie specified by the host-side requestor - * - COOKIE_MSBS - * Bits 31:0 - * Purpose: Provide a mechanism to match a target->host stats confirmation - * message with its preceding host->target stats request message. - * Value: MSBs of the opaque cookie specified by the host-side requestor - * - * Stats Information Element tag-length header fields: - * - STAT_TYPE - * Bits 4:0 - * Purpose: identifies the type of statistics info held in the - * following information element - * Value: htt_dbg_stats_type - * - STATUS - * Bits 7:5 - * Purpose: indicate whether the requested stats are present - * Value: htt_dbg_stats_status, including a special value (0x7) to mark - * the completion of the stats entry series - * - LENGTH - * Bits 31:16 - * Purpose: indicate the stats information size - * Value: This field specifies the number of bytes of stats information - * that follows the element tag-length header. - * It is expected but not required that this length is a multiple of - * 4 bytes. Even if the length is not an integer multiple of 4, the - * subsequent stats entry header will begin on a 4-byte aligned - * boundary. - */ - -#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_MASK 0x1F -#define HTT_STATS_CONF_ITEM_INFO_STAT_TYPE_LSB 0 -#define HTT_STATS_CONF_ITEM_INFO_STATUS_MASK 0xE0 -#define HTT_STATS_CONF_ITEM_INFO_STATUS_LSB 5 - -struct htt_stats_conf_item { - union { - u8 info; - struct { - u8 stat_type:5; /* %HTT_DBG_STATS_ */ - u8 status:3; /* %HTT_DBG_STATS_STATUS_ */ - } __packed; - } __packed; - u8 pad; - __le16 length; - u8 payload[]; /* roundup(length, 4) long */ -} __packed; - -struct htt_stats_conf { - u8 pad[3]; - __le32 cookie_lsb; - __le32 cookie_msb; - - /* each item has variable length! */ - struct htt_stats_conf_item items[]; -} __packed; - -static inline struct htt_stats_conf_item *htt_stats_conf_next_item( - const struct htt_stats_conf_item *item) -{ - return (void *)item + sizeof(*item) + roundup(item->length, 4); -} - /* * host -> target FRAG DESCRIPTOR/MSDU_EXT DESC bank * @@ -1828,7 +1719,6 @@ struct htt_resp { struct htt_rc_update rc_update; struct htt_rx_test rx_test; struct htt_pktlog_msg pktlog_msg; - struct htt_stats_conf stats_conf; struct htt_rx_pn_ind rx_pn_ind; struct htt_rx_offload_ind rx_offload_ind; struct htt_rx_in_ord_ind rx_in_ord_ind;