From patchwork Mon Dec 9 15:50:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 848720 Received: from forward203d.mail.yandex.net (forward203d.mail.yandex.net [178.154.239.218]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 128E2139597 for ; Mon, 9 Dec 2024 15:59:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.218 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733759970; cv=none; b=mA0OQlhAS8b4A+N8h8Px3+709CbgKA2vvN9CKWuBaEtveFajunenWbTnm/gDhVX01jOzrw6FM3aFDqg/xpCJpzVGu+MvO0OVm74q2sBKfhU+G7ILvZ/i5inz9E0NasGw9QhojCMllb6JyKgyLoDetvClL9ZgdWEISBL8PJNFhvs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733759970; c=relaxed/simple; bh=wInLD2g9IfLbZkB0O0KuHlBaYyC9sU2UZoyZLRMKzI4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Ijv3gJZpAQpidX/QrGtdE5jNGMHlBJ7K0TFYuvg8BUHFRF35bo5pWwwIYhhMa5FcuTn4oArRgAAkHFRZ5pyEM5WT2iA2sKn8lDZIAKEHfjjx4gjS9Zc0NNPiuZfR5xMLD7l07NeB5QexoGRJU7LpVz2XCaSnR18HOLCRMCImA1Q= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru; spf=pass smtp.mailfrom=yandex.ru; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b=kWJJo8yb; arc=none smtp.client-ip=178.154.239.218 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yandex.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b="kWJJo8yb" Received: from forward103d.mail.yandex.net (forward103d.mail.yandex.net [IPv6:2a02:6b8:c41:1300:1:45:d181:d103]) by forward203d.mail.yandex.net (Yandex) with ESMTPS id 44312652B4 for ; Mon, 9 Dec 2024 18:51:13 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net [IPv6:2a02:6b8:c42:694a:0:640:6efd:0]) by forward103d.mail.yandex.net (Yandex) with ESMTPS id A952E609A9; Mon, 9 Dec 2024 18:51:04 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id 3pnjm14OceA0-Yv6FoHP4; Mon, 09 Dec 2024 18:51:04 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1733759464; bh=B8ehczkvDY3Px2yT2Ne0JhrvudSHkkNqroFJ/mLOOQ8=; h=Message-ID:Date:Cc:Subject:To:From; b=kWJJo8ybjrIjN+t3UHWXTRP79KA+Fr0q/D3dVg404qZX2lhGjnbiju1HwGmOZ5qUS i18IBms8ee71snzip2cqA++wl0B7vcUrTm+bQZwYvG1kOLAZRl6GyhAqylvNfjhyEX ZcS8kuJP65YrG6zpNXFuGS7o8S3ZK9n5EbtXy//Q= Authentication-Results: mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= Cc: Kalle Valo , linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH 1/3] wifi: ath9k: cleanup ath_txq_skb_done() Date: Mon, 9 Dec 2024 18:50:25 +0300 Message-ID: <20241209155027.636400-1-dmantipov@yandex.ru> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Since 'txq' argument of 'ath_txq_skb_done()' is actually (mis|un)used, convert the former to local variable and adjust all related users. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov Acked-by: Toke Høiland-Jørgensen Acked-by: Toke Høiland-Jørgensen --- drivers/net/wireless/ath/ath9k/xmit.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 35aa47a9db90..fae96e3d66dd 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -208,10 +208,10 @@ static void ath_set_rates(struct ieee80211_vif *vif, struct ieee80211_sta *sta, ARRAY_SIZE(bf->rates)); } -static void ath_txq_skb_done(struct ath_softc *sc, struct ath_txq *txq, - struct sk_buff *skb) +static void ath_txq_skb_done(struct ath_softc *sc, struct sk_buff *skb) { struct ath_frame_info *fi = get_frame_info(skb); + struct ath_txq *txq; int q = fi->txq; if (q < 0) @@ -294,7 +294,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) fi = get_frame_info(skb); bf = fi->bf; if (!bf) { - ath_txq_skb_done(sc, txq, skb); + ath_txq_skb_done(sc, skb); ieee80211_free_txskb(sc->hw, skb); continue; } @@ -962,7 +962,7 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, bf->bf_state.stale = false; if (!bf) { - ath_txq_skb_done(sc, txq, skb); + ath_txq_skb_done(sc, skb); ieee80211_free_txskb(sc->hw, skb); continue; } @@ -2379,7 +2379,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, bf = ath_tx_setup_buffer(sc, txq, tid, skb); if (!bf) { - ath_txq_skb_done(sc, txq, skb); + ath_txq_skb_done(sc, skb); if (txctl->paprd) dev_kfree_skb_any(skb); else @@ -2514,7 +2514,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, } spin_unlock_irqrestore(&sc->sc_pm_lock, flags); - ath_txq_skb_done(sc, txq, skb); + ath_txq_skb_done(sc, skb); tx_info->status.status_driver_data[0] = sta; __skb_queue_tail(&txq->complete_q, skb); } From patchwork Mon Dec 9 15:50:26 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 848721 Received: from forward202d.mail.yandex.net (forward202d.mail.yandex.net [178.154.239.219]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D002F233139 for ; 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a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1733759464; bh=j/8qOWgO+A4Uli7MnoLmn9fkCT3yThkYUI//C3ZllO4=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=aRAdhc3klyRkWG9co7EaIv1qDI/nOwldWCuLdHrFQZazmq17ZGmozu+o/XKmtg6SN KYLuw9egZ6xMIOCXPkVusCIqy+2uiuw3Zsm9jTC6fzId2Dt86UK+lolpJZHK97qMyT GxvTdZdY1t4wbTJpNJ2u8BiyQoBtDgSLeiWIlGyM= Authentication-Results: mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= Cc: Kalle Valo , linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH 2/3] wifi: ath9k: cleanup a few (mostly) TX-related routines Date: Mon, 9 Dec 2024 18:50:26 +0300 Message-ID: <20241209155027.636400-2-dmantipov@yandex.ru> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241209155027.636400-1-dmantipov@yandex.ru> References: <20241209155027.636400-1-dmantipov@yandex.ru> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Remove unused 'struct ath_softc *' argument of 'ath_pkt_duration()', 'ath_tx_update_baw()', 'ath_get_skb_tid()', 'ath_tx_addto_baw()' and 'ath_tx_count_frames()', adjust related users. Compile tested only. Signed-off-by: Dmitry Antipov Acked-by: Toke Høiland-Jørgensen --- drivers/net/wireless/ath/ath9k/ath9k.h | 4 +-- drivers/net/wireless/ath/ath9k/recv.c | 4 +-- drivers/net/wireless/ath/ath9k/xmit.c | 40 ++++++++++++-------------- 3 files changed, 22 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 29ca65a732a6..f68b96809ffa 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -592,8 +592,8 @@ void ath_txq_schedule_all(struct ath_softc *sc); int ath_tx_init(struct ath_softc *sc, int nbufs); int ath_txq_update(struct ath_softc *sc, int qnum, struct ath9k_tx_queue_info *q); -u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen, - int width, int half_gi, bool shortPreamble); +u32 ath_pkt_duration(u8 rix, int pktlen, int width, + int half_gi, bool shortPreamble); void ath_update_max_aggr_framelen(struct ath_softc *sc, int queue, int txop); void ath_assign_seq(struct ath_common *common, struct sk_buff *skb); int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 0c0624a3b40d..34c74ed99b7b 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1042,8 +1042,8 @@ static void ath_rx_count_airtime(struct ath_softc *sc, if (!!(rxs->encoding == RX_ENC_HT)) { /* MCS rates */ - airtime += ath_pkt_duration(sc, rxs->rate_idx, len, - is_40, is_sgi, is_sp); + airtime += ath_pkt_duration(rxs->rate_idx, len, + is_40, is_sgi, is_sp); } else { phy = IS_CCK_RATE(rs->rs_rate) ? WLAN_RC_PHY_CCK : WLAN_RC_PHY_OFDM; diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index fae96e3d66dd..8242139051ef 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -67,8 +67,7 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, struct ath_tx_status *ts, int nframes, int nbad, int txok); -static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - struct ath_buf *bf); +static void ath_tx_update_baw(struct ath_atx_tid *tid, struct ath_buf *bf); static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid, @@ -224,7 +223,7 @@ static void ath_txq_skb_done(struct ath_softc *sc, struct sk_buff *skb) } static struct ath_atx_tid * -ath_get_skb_tid(struct ath_softc *sc, struct ath_node *an, struct sk_buff *skb) +ath_get_skb_tid(struct ath_node *an, struct sk_buff *skb) { u8 tidno = skb->priority & IEEE80211_QOS_CTL_TID_MASK; return ATH_AN_2_TID(an, tidno); @@ -300,7 +299,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) } if (fi->baw_tracked) { - ath_tx_update_baw(sc, tid, bf); + ath_tx_update_baw(tid, bf); sendbar = true; } @@ -315,8 +314,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) } } -static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - struct ath_buf *bf) +static void ath_tx_update_baw(struct ath_atx_tid *tid, struct ath_buf *bf) { struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu); u16 seqno = bf->bf_state.seqno; @@ -338,8 +336,7 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, } } -static void ath_tx_addto_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - struct ath_buf *bf) +static void ath_tx_addto_baw(struct ath_atx_tid *tid, struct ath_buf *bf) { struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu); u16 seqno = bf->bf_state.seqno; @@ -452,9 +449,8 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf) return tbf; } -static void ath_tx_count_frames(struct ath_softc *sc, struct ath_buf *bf, - struct ath_tx_status *ts, int txok, - int *nframes, int *nbad) +static void ath_tx_count_frames(struct ath_buf *bf, struct ath_tx_status *ts, + int txok, int *nframes, int *nbad) { u16 seq_st = 0; u32 ba[WME_BA_BMP_SIZE >> 5]; @@ -568,7 +564,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, __skb_queue_head_init(&bf_pending); - ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad); + ath_tx_count_frames(bf, ts, txok, &nframes, &nbad); while (bf) { u16 seqno = bf->bf_state.seqno; @@ -621,7 +617,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, * complete the acked-ones/xretried ones; update * block-ack window */ - ath_tx_update_baw(sc, tid, bf); + ath_tx_update_baw(tid, bf); if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) { memcpy(tx_info->control.rates, rates, sizeof(rates)); @@ -651,7 +647,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, * run out of tx buf. */ if (!tbf) { - ath_tx_update_baw(sc, tid, bf); + ath_tx_update_baw(tid, bf); ath_tx_complete_buf(sc, bf, txq, &bf_head, NULL, ts, @@ -752,7 +748,7 @@ static void ath_tx_process_buffer(struct ath_softc *sc, struct ath_txq *txq, sta = ieee80211_find_sta_by_ifaddr(hw, hdr->addr1, hdr->addr2); if (sta) { struct ath_node *an = (struct ath_node *)sta->drv_priv; - tid = ath_get_skb_tid(sc, an, bf->bf_mpdu); + tid = ath_get_skb_tid(an, bf->bf_mpdu); ath_tx_count_airtime(sc, sta, bf, ts, tid->tidno); if (ts->ts_status & (ATH9K_TXERR_FILT | ATH9K_TXERR_XRETRY)) tid->clear_ps_filter = true; @@ -1012,13 +1008,13 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, INIT_LIST_HEAD(&bf_head); list_add(&bf->list, &bf_head); - ath_tx_update_baw(sc, tid, bf); + ath_tx_update_baw(tid, bf); ath_tx_complete_buf(sc, bf, txq, &bf_head, NULL, &ts, 0); continue; } if (bf_isampdu(bf)) - ath_tx_addto_baw(sc, tid, bf); + ath_tx_addto_baw(tid, bf); break; } @@ -1114,8 +1110,8 @@ ath_tx_form_aggr(struct ath_softc *sc, struct ath_txq *txq, * width - 0 for 20 MHz, 1 for 40 MHz * half_gi - to use 4us v/s 3.6 us for symbol time */ -u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, int pktlen, - int width, int half_gi, bool shortPreamble) +u32 ath_pkt_duration(u8 rix, int pktlen, int width, + int half_gi, bool shortPreamble) { u32 nbits, nsymbits, duration, nsymbols; int streams; @@ -1327,7 +1323,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, info->rates[i].Rate = rix | 0x80; info->rates[i].ChSel = ath_txchainmask_reduction(sc, ah->txchainmask, info->rates[i].Rate); - info->rates[i].PktDuration = ath_pkt_duration(sc, rix, len, + info->rates[i].PktDuration = ath_pkt_duration(rix, len, is_40, is_sgi, is_sp); if (rix < 8 && (tx_info->flags & IEEE80211_TX_CTL_STBC)) info->rates[i].RateFlags |= ATH9K_RATESERIES_STBC; @@ -2122,7 +2118,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, bf->bf_state.bf_type = 0; if (tid && (tx_info->flags & IEEE80211_TX_CTL_AMPDU)) { bf->bf_state.bf_type = BUF_AMPDU; - ath_tx_addto_baw(sc, tid, bf); + ath_tx_addto_baw(tid, bf); } bf->bf_next = NULL; @@ -2368,7 +2364,7 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb, if (txctl->sta) { an = (struct ath_node *) sta->drv_priv; - tid = ath_get_skb_tid(sc, an, skb); + tid = ath_get_skb_tid(an, skb); } ath_txq_lock(sc, txq); 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Mon, 9 Dec 2024 18:51:13 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net [IPv6:2a02:6b8:c42:694a:0:640:6efd:0]) by forward101d.mail.yandex.net (Yandex) with ESMTPS id 69AEA608DF; Mon, 9 Dec 2024 18:51:06 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id 3pnjm14OceA0-WN4tVVy5; Mon, 09 Dec 2024 18:51:05 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1733759465; bh=oNqMTNJwhXpTTVbsiR8f0d5CV3X1GXm+Cj9mC99es2U=; h=Message-ID:Date:In-Reply-To:Cc:Subject:References:To:From; b=OfGY6kQtXxe6EgRT1Tu2/hC1Jnmrjrwi1/Gfpv+kLOaRSjY7sigMiFD4E/ms+T8LG vU+dnZY3+EusCammRG6zbXNyGF6X9RG4ffDj+P8iKVzaipicAO2EM1k3PgY4S5e+0y ArtF9sIoV9EuiB24JgGaxG6D7LRZjwu1qt4aJrAM= Authentication-Results: mail-nwsmtp-smtp-production-main-95.klg.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= Cc: Kalle Valo , linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH 3/3] wifi: ath9k: simplify internal time management Date: Mon, 9 Dec 2024 18:50:27 +0300 Message-ID: <20241209155027.636400-3-dmantipov@yandex.ru> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241209155027.636400-1-dmantipov@yandex.ru> References: <20241209155027.636400-1-dmantipov@yandex.ru> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Prefer 'ktime_t' over 'struct timespec64' for 'struct ath_chanctx' and 'struct ath_softc' timestamps, choose standard kernel time API over an ad-hoc math in 'chanctx_event_delta()' and 'ath9k_hw_get_tsf_offset()', adjust related users. Compile tested only. Signed-off-by: Dmitry Antipov --- drivers/net/wireless/ath/ath9k/ath9k.h | 4 ++-- drivers/net/wireless/ath/ath9k/beacon.c | 2 +- drivers/net/wireless/ath/ath9k/channel.c | 29 ++++++++++-------------- drivers/net/wireless/ath/ath9k/hw.c | 25 +++++++------------- drivers/net/wireless/ath/ath9k/hw.h | 2 +- drivers/net/wireless/ath/ath9k/main.c | 12 ++++------ 6 files changed, 29 insertions(+), 45 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index f68b96809ffa..ac70036f7f69 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -338,7 +338,7 @@ struct ath_chanctx { struct ath_beacon_config beacon; struct ath9k_hw_cal_data caldata; - struct timespec64 tsf_ts; + ktime_t tsf_ts; u64 tsf_val; u32 last_beacon; @@ -1011,7 +1011,7 @@ struct ath_softc { struct ath_offchannel offchannel; struct ath_chanctx *next_chan; struct completion go_beacon; - struct timespec64 last_event_time; + ktime_t last_event_time; #endif unsigned long driver_data; diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index b399a7926ef5..4a27e3753c03 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -293,7 +293,7 @@ void ath9k_beacon_ensure_primary_slot(struct ath_softc *sc) /* Modify TSF as required and update the HW. */ avp->chanctx->tsf_val += tsfadjust; if (sc->cur_chan == avp->chanctx) { - offset = ath9k_hw_get_tsf_offset(&avp->chanctx->tsf_ts, NULL); + offset = ath9k_hw_get_tsf_offset(avp->chanctx->tsf_ts, 0); ath9k_hw_settsf64(sc->sc_ah, avp->chanctx->tsf_val + offset); } diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 571062f2e82a..499bbf042906 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -232,16 +232,11 @@ static const char *chanctx_state_string(enum ath_chanctx_state state) static u32 chanctx_event_delta(struct ath_softc *sc) { - u64 ms; - struct timespec64 ts, *old; + ktime_t ts = ktime_get_raw(); + s64 ms = ktime_ms_delta(ts, sc->last_event_time); - ktime_get_raw_ts64(&ts); - old = &sc->last_event_time; - ms = ts.tv_sec * 1000 + ts.tv_nsec / 1000000; - ms -= old->tv_sec * 1000 + old->tv_nsec / 1000000; sc->last_event_time = ts; - - return (u32)ms; + return ms; } void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx) @@ -334,8 +329,8 @@ ath_chanctx_get_next(struct ath_softc *sc, struct ath_chanctx *ctx) static void ath_chanctx_adjust_tbtt_delta(struct ath_softc *sc) { struct ath_chanctx *prev, *cur; - struct timespec64 ts; u32 cur_tsf, prev_tsf, beacon_int; + ktime_t ts; s32 offset; beacon_int = TU_TO_USEC(sc->cur_chan->beacon.beacon_interval); @@ -346,12 +341,12 @@ static void ath_chanctx_adjust_tbtt_delta(struct ath_softc *sc) if (!prev->switch_after_beacon) return; - ktime_get_raw_ts64(&ts); + ts = ktime_get_raw(); cur_tsf = (u32) cur->tsf_val + - ath9k_hw_get_tsf_offset(&cur->tsf_ts, &ts); + ath9k_hw_get_tsf_offset(cur->tsf_ts, ts); prev_tsf = prev->last_beacon - (u32) prev->tsf_val + cur_tsf; - prev_tsf -= ath9k_hw_get_tsf_offset(&prev->tsf_ts, &ts); + prev_tsf -= ath9k_hw_get_tsf_offset(prev->tsf_ts, ts); /* Adjust the TSF time of the AP chanctx to keep its beacons * at half beacon interval offset relative to the STA chanctx. @@ -691,7 +686,7 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif, */ tsf_time = sc->sched.switch_start_time; tsf_time -= (u32) sc->cur_chan->tsf_val + - ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL); + ath9k_hw_get_tsf_offset(sc->cur_chan->tsf_ts, 0); tsf_time += ath9k_hw_gettsf32(ah); sc->sched.beacon_adjust = false; @@ -1230,10 +1225,10 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_chanctx *old_ctx; - struct timespec64 ts; bool measure_time = false; bool send_ps = false; bool queues_stopped = false; + ktime_t ts; spin_lock_bh(&sc->chan_lock); if (!sc->next_chan) { @@ -1260,7 +1255,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) spin_unlock_bh(&sc->chan_lock); if (sc->next_chan == &sc->offchannel.chan) { - ktime_get_raw_ts64(&ts); + ts = ktime_get_raw(); measure_time = true; } @@ -1277,7 +1272,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) spin_lock_bh(&sc->chan_lock); if (sc->cur_chan != &sc->offchannel.chan) { - ktime_get_raw_ts64(&sc->cur_chan->tsf_ts); + sc->cur_chan->tsf_ts = ktime_get_raw(); sc->cur_chan->tsf_val = ath9k_hw_gettsf64(sc->sc_ah); } } @@ -1303,7 +1298,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) ath_set_channel(sc); if (measure_time) sc->sched.channel_switch_time = - ath9k_hw_get_tsf_offset(&ts, NULL); + ath9k_hw_get_tsf_offset(ts, 0); /* * A reset will ensure that all queues are woken up, * so there is no need to awaken them again. diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index e2bef099adb3..81983062705c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1847,20 +1847,11 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan) return -EINVAL; } -u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur) +u32 ath9k_hw_get_tsf_offset(ktime_t last, ktime_t cur) { - struct timespec64 ts; - s64 usec; - - if (!cur) { - ktime_get_raw_ts64(&ts); - cur = &ts; - } - - usec = cur->tv_sec * 1000000ULL + cur->tv_nsec / 1000; - usec -= last->tv_sec * 1000000ULL + last->tv_nsec / 1000; - - return (u32) usec; + if (cur == 0) + cur = ktime_get_raw(); + return ktime_us_delta(cur, last); } EXPORT_SYMBOL(ath9k_hw_get_tsf_offset); @@ -1871,7 +1862,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u32 saveLedState; u32 saveDefAntenna; u32 macStaId1; - struct timespec64 tsf_ts; + ktime_t tsf_ts; u32 tsf_offset; u64 tsf = 0; int r; @@ -1917,7 +1908,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; /* Save TSF before chip reset, a cold reset clears it */ - ktime_get_raw_ts64(&tsf_ts); + tsf_ts = ktime_get_raw(); tsf = ath9k_hw_gettsf64(ah); saveLedState = REG_READ(ah, AR_CFG_LED) & @@ -1951,7 +1942,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, } /* Restore TSF */ - tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); + tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0); ath9k_hw_settsf64(ah, tsf + tsf_offset); if (AR_SREV_9280_20_OR_LATER(ah)) @@ -1975,7 +1966,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, * value after the initvals have been applied. */ if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { - tsf_offset = ath9k_hw_get_tsf_offset(&tsf_ts, NULL); + tsf_offset = ath9k_hw_get_tsf_offset(tsf_ts, 0); ath9k_hw_settsf64(ah, tsf + tsf_offset); } diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 450ab19b1d4e..7a08b533b8af 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -1066,7 +1066,7 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah); u64 ath9k_hw_gettsf64(struct ath_hw *ah); void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64); void ath9k_hw_reset_tsf(struct ath_hw *ah); -u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur); +u32 ath9k_hw_get_tsf_offset(ktime_t last, ktime_t cur); void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set); void ath9k_hw_init_global_settings(struct ath_hw *ah); u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 2f137856a823..cf664a0dedaa 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -247,10 +247,8 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) if (!sc->cur_chan->offchannel && start) { /* restore per chanctx TSF timer */ if (sc->cur_chan->tsf_val) { - u32 offset; - - offset = ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, - NULL); + u32 offset = ath9k_hw_get_tsf_offset + (sc->cur_chan->tsf_ts, 0); ath9k_hw_settsf64(ah, sc->cur_chan->tsf_val + offset); } @@ -1955,7 +1953,7 @@ static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) tsf = ath9k_hw_gettsf64(sc->sc_ah); } else { tsf = sc->cur_chan->tsf_val + - ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL); + ath9k_hw_get_tsf_offset(sc->cur_chan->tsf_ts, 0); } tsf += le64_to_cpu(avp->tsf_adjust); ath9k_ps_restore(sc); @@ -1974,7 +1972,7 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); tsf -= le64_to_cpu(avp->tsf_adjust); - ktime_get_raw_ts64(&avp->chanctx->tsf_ts); + avp->chanctx->tsf_ts = ktime_get_raw(); if (sc->cur_chan == avp->chanctx) ath9k_hw_settsf64(sc->sc_ah, tsf); avp->chanctx->tsf_val = tsf; @@ -1990,7 +1988,7 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - ktime_get_raw_ts64(&avp->chanctx->tsf_ts); + avp->chanctx->tsf_ts = ktime_get_raw(); if (sc->cur_chan == avp->chanctx) ath9k_hw_reset_tsf(sc->sc_ah); avp->chanctx->tsf_val = 0;