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Miller" , devicetree@vger.kernel.org, Rob Herring , linux-mmc@vger.kernel.org, =?utf-8?q?Pali_Roh=C3=A1r?= , Ulf Hansson , =?utf-8?b?SsOpcsO0bWUgUG91aWxsZXI=?= Subject: [PATCH v5 16/24] wfx: add data_rx.c/data_rx.h Date: Mon, 15 Mar 2021 14:24:53 +0100 Message-Id: <20210315132501.441681-17-Jerome.Pouiller@silabs.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> References: <20210315132501.441681-1-Jerome.Pouiller@silabs.com> X-Originating-IP: [2a01:e35:2435:66a0:544b:f17b:7ae8:fb7] X-ClientProxiedBy: SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) To SN6PR11MB2718.namprd11.prod.outlook.com (2603:10b6:805:63::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from pc-42.silabs.com (2a01:e35:2435:66a0:544b:f17b:7ae8:fb7) by SN4PR0801CA0014.namprd08.prod.outlook.com (2603:10b6:803:29::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3933.32 via Frontend Transport; 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X-MS-Exchange-AntiSpam-MessageData: =?utf-8?q?1yCF7/9as7xNFm9BEuDYQSvQy4k2t0?= =?utf-8?q?aFGPwuygPwUFmW2MpRmQ3JFs4jKFvqAkc45EaCEPssvy/fMRSglY2B6Z10GbKIuP8?= =?utf-8?q?gbe8VOaNZPaTfXbrZsV3oR9/s5Q+5PuzV9L6A+/WFZifPjxUhLRLq62AZX2fh4l/t?= =?utf-8?q?HootlN3Reh8JCCsiyh3SHIG0OFt1NhqEZpLPRIPF6c2WpCGUihnUU9ckBGtrDypjh?= =?utf-8?q?O3/ztB/V4NCjSNLVm+M7nKi/4FBaChZGMAyUcyi126hPM+W2ruhUd4TNL8w2TapuM?= =?utf-8?q?tGU3Hv2GjnPOPHghXVcoXbCIkiCSF3v4jfe2qhC5WnyseIJJMYsbnbmJJRjMYaW+F?= =?utf-8?q?EjWykuhL5ryz+jfXOiGDqcxH/AMJMSKy3bW5BdAd8NMorEHH4JDY+ts66BjAU4J1i?= =?utf-8?q?YnXpEt3grcb4a2CUvLw6RNbIyfKIthDgz/xV6cDIwSnTG3B8w5nfgunCpMBrmv5wA?= =?utf-8?q?vWh3bG+5jZvYuoX+vAafvFnOQjs5+eDUZQVm17ce2UD4zRATl/RB4ldv0oMWzSm12?= =?utf-8?q?AE6u8kPZLpNkGYx5yg+TrpYdZ0PNUGds8LW8ncqCJIn+fpvLFUK+TU9ntcvdGQfDR?= =?utf-8?q?L/VV73sxTGfWIldWl5RsmRaLath9oxU1yv2tS1rrTtOKXT758eBYc2e3eLxZL6PIq?= =?utf-8?q?NAH+3WBs+Rj1ysvWysZieyqajfBGTC/UuoD2hB7pbTrf9QvzFm+3FXWcB6/We40+8?= =?utf-8?q?C2OCF13V0CEKM97dyZkzjMarVoM+4avAGucOjxK8GkgSvhRFMcroqKZcw2kGIPK6V?= =?utf-8?q?yHO37QYLzD7MdZmwYPZYxkRhB9YK3mpQLEahUD9DM5Gc97wmJ/ATiyKVnb302ToD4?= =?utf-8?q?u672quKoDs2uTkHTqt789bs6aHUgxeOf1nHQelMo0ueTYwQTjauA8vz5Rmh1Y0qOA?= =?utf-8?q?fScqaKnF2KzS4keSGZdFobahsNJr8mxl6SphugUiXHU7y6UeX9PsCxyhU6OSCKOqv?= =?utf-8?q?engaoY0pnGTrf1k15FsXYCXIsvewy1chQS9k179PLI+569RSunCbAO+EzLCJViPoJ?= =?utf-8?q?7+fp6x8GeLCoodxVYrPVkaUYOQxNpj29ppGAGPlUgPdQ238fHQ13d2tjGHXporXw0?= =?utf-8?q?7zOzrnXf2ij8Ywd2ieUg3f0FQRl5KMP/dYdqLLunDqzeeD5Wf5u6mJ7hx7G6yCT/E?= =?utf-8?q?ugbgB83df/p47jQQmFkR0+21QuJ3F2kN+6CUl0/gx+PkBeA7Z00JB5A/VUMFMRcjX?= =?utf-8?q?LrgX+s3sKoLf+7RA8ZImUJyt5tgOheaAPpKka6F78P2icW/L8rbsEJCEPVDw8mkN5?= =?utf-8?q?XHA9BmdVSEh2j52Oduxus9I+hSF0g1Qh4Xqn977N8scruPy5SjL78ujBv2nLe7XHz?= =?utf-8?q?8GoJFKkHw3w1W?= X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: b0a24ef9-2cba-4f54-b915-08d8e7b5e394 X-MS-Exchange-CrossTenant-AuthSource: SN6PR11MB2718.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Mar 2021 13:26:06.8615 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 54dbd822-5231-4b20-944d-6f4abcd541fb X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: DSzIA9qx3h/HK4hTyE0t0kUwMSBE9P4r3nfmIqAxvvaoIKXMM0NQSTW3BeQW+xoq8PShkLmL0l1MooTIPCcBpw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN6PR11MB3117 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jérôme Pouiller Signed-off-by: Jérôme Pouiller --- drivers/net/wireless/silabs/wfx/data_rx.c | 94 +++++++++++++++++++++++ drivers/net/wireless/silabs/wfx/data_rx.h | 18 +++++ 2 files changed, 112 insertions(+) create mode 100644 drivers/net/wireless/silabs/wfx/data_rx.c create mode 100644 drivers/net/wireless/silabs/wfx/data_rx.h diff --git a/drivers/net/wireless/silabs/wfx/data_rx.c b/drivers/net/wireless/silabs/wfx/data_rx.c new file mode 100644 index 000000000000..e6d9d8746d4d --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#include +#include + +#include "data_rx.h" +#include "wfx.h" +#include "bh.h" +#include "sta.h" + +static void wfx_rx_handle_ba(struct wfx_vif *wvif, struct ieee80211_mgmt *mgmt) +{ + int params, tid; + + if (wfx_api_older_than(wvif->wdev, 3, 6)) + return; + + switch (mgmt->u.action.u.addba_req.action_code) { + case WLAN_ACTION_ADDBA_REQ: + params = le16_to_cpu(mgmt->u.action.u.addba_req.capab); + tid = (params & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2; + ieee80211_start_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); + break; + case WLAN_ACTION_DELBA: + params = le16_to_cpu(mgmt->u.action.u.delba.params); + tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12; + ieee80211_stop_rx_ba_session_offl(wvif->vif, mgmt->sa, tid); + break; + } +} + +void wfx_rx_cb(struct wfx_vif *wvif, + const struct hif_ind_rx *arg, struct sk_buff *skb) +{ + struct ieee80211_rx_status *hdr = IEEE80211_SKB_RXCB(skb); + struct ieee80211_hdr *frame = (struct ieee80211_hdr *)skb->data; + struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)skb->data; + + memset(hdr, 0, sizeof(*hdr)); + + if (arg->status == HIF_STATUS_RX_FAIL_MIC) + hdr->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_IV_STRIPPED; + else if (arg->status) + goto drop; + + if (skb->len < sizeof(struct ieee80211_pspoll)) { + dev_warn(wvif->wdev->dev, "malformed SDU received\n"); + goto drop; + } + + hdr->band = NL80211_BAND_2GHZ; + hdr->freq = ieee80211_channel_to_frequency(arg->channel_number, + hdr->band); + + if (arg->rxed_rate >= 14) { + hdr->encoding = RX_ENC_HT; + hdr->rate_idx = arg->rxed_rate - 14; + } else if (arg->rxed_rate >= 4) { + hdr->rate_idx = arg->rxed_rate - 2; + } else { + hdr->rate_idx = arg->rxed_rate; + } + + if (!arg->rcpi_rssi) { + hdr->flag |= RX_FLAG_NO_SIGNAL_VAL; + dev_info(wvif->wdev->dev, "received frame without RSSI data\n"); + } + hdr->signal = arg->rcpi_rssi / 2 - 110; + hdr->antenna = 0; + + if (arg->encryp) + hdr->flag |= RX_FLAG_DECRYPTED; + + /* Block ack negotiation is offloaded by the firmware. However, + * re-ordering must be done by the mac80211. + */ + if (ieee80211_is_action(frame->frame_control) && + mgmt->u.action.category == WLAN_CATEGORY_BACK && + skb->len > IEEE80211_MIN_ACTION_SIZE) { + wfx_rx_handle_ba(wvif, mgmt); + goto drop; + } + + ieee80211_rx_irqsafe(wvif->wdev->hw, skb); + return; + +drop: + dev_kfree_skb(skb); +} diff --git a/drivers/net/wireless/silabs/wfx/data_rx.h b/drivers/net/wireless/silabs/wfx/data_rx.h new file mode 100644 index 000000000000..a320cd858273 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#ifndef WFX_DATA_RX_H +#define WFX_DATA_RX_H + +struct wfx_vif; +struct sk_buff; +struct hif_ind_rx; + +void wfx_rx_cb(struct wfx_vif *wvif, + const struct hif_ind_rx *arg, struct sk_buff *skb); + +#endif