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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?2yRI4Y2zDpUKNEhNc3rJ6dTxKLUq?= =?utf-8?q?BAnNHA2nkJr1zc/wkyS7TvykoeJLNWMyO6hG92157lc0Ta4hgn/qT3V2XZ+DnXRmA?= =?utf-8?q?B8KEa8WWtkFA1d3F5tXbCYlDX4l0NN/aPshbEJ1Hu53jx6PrVU3+PeK7c62dfTiaw?= =?utf-8?q?0SN0uqsvbN058JbBt+QjmQMV5gSuTgtTYgHEjxIJMv0CRcTjYiXKaKPPd3xbJgQT9?= =?utf-8?q?eyNzaGOgnot/6A+t9KpIJdWzpLyAN6rrwLKjGDS375w7DnakCY0RXhHGQRqEMpYCK?= =?utf-8?q?euA3KFOTXYkD8lH6bB+wNOLzoHzt36unfyIRLCX+NU9XszCwIVwS5GYtqzsfOp79p?= =?utf-8?q?ckCvNFnAgYQIjlUB19SHM3aSsl1G9tollxeffLV7B00/GuxhFQUQ5rsEGYQOiql0w?= =?utf-8?q?fksJRvxHu9NnqNEru9v8YAyjbB74mjVsDU3Mom2N6uCD7Mo8zl1MoaE+pAljRU8xa?= =?utf-8?q?VPMD7bpEYQGInZpa0F++Y4wULCH+ngR8bhsrKyTWsj2NHdSaqlpOBKueKtYA9Uv41?= =?utf-8?q?plESm8rvYOHceS6RJbWUfrtrY5Fxvdi8GZSxlR7otHt4Uc/Uvhxtg4yOlzcxSQPQ1?= =?utf-8?q?tlYiex0V2TjnqIu62UXH4kkE4peFm+55bF+tOCEoIeVdA+jP5iz3tH1uxc/GYj2ZD?= =?utf-8?q?od0TCdv4JO4+CON7QCV3iO6sMgCbKIUIALlI5nVjRs5sSzDvJnE86UZbfxNzmNu6w?= =?utf-8?q?rh5pbvboY1mrA7UkyN/zAfBlRUQItK4crHkNgbQb3DpSA6pNKzF+UkjUr1h7feM0i?= =?utf-8?q?SAsMMGPr2ZJPLvEbGbRamc5UxfqNTaeTc109vcnTSCmKwiY7YVrFamTB6VFGrmsOh?= =?utf-8?q?szq8Q3C3Z8+cH0vfL+6IQQDuGvD3rYkZ/G9mTkX19les0GYkgdLABpHIxqNt38aqA?= =?utf-8?q?S4C4E8fV0XnUcnjmVzBORbtKNPhxXatRtpCjpnwaoyxffnAPHr23ZZk/KQPHn/8NZ?= =?utf-8?q?Jtfz6Rn4UdUZjZbSe1SJ1unxQ5k5Q9Bgl1lT2F+Z9F6lpQNqza3amJU39bBcOile4?= =?utf-8?q?v4gUg+klLGBF1OEm8UttGo+yLMWjPF3nk/uvj9PjDAJ42r4TWhSnqeX9qahmrn2Pu?= =?utf-8?q?Kih9qyhaQBKIMSTzDHZvWCQzKofsnBvMC61S3cE+6Q8HLp/pt8EBrE1AaBGoGM+mZ?= =?utf-8?q?UzCAKV7SnNleYfXYxx8xbb2d6skKP1sW2JLmNG+oBVSxfAM5bcX5QZPLE++XER4Av?= =?utf-8?q?WS5XJUiK4irRhcRkWxMh5FBMcNtdBbOr3k9VOZkJwG/LKYoYxIh8AoNFZF4Z/gVtd?= =?utf-8?q?ptSCCell7muC/EqOchJxFbOucgqOhYUh5p7E5mu3TlhJY6G5ja4b3Ko9bqK31WZiy?= =?utf-8?q?hScRHMZaRdP+RJt9RXMnzZWM5btIqtzmnkRCPZbWbvD4LvNHvsLBRppkgudvwUpKB?= =?utf-8?q?GFTbipSHKbmOu+KDUQDovcRMIqOuF3HRwRwc2DSW73iho6CALtRaVZyk5R3PBnk7i?= =?utf-8?q?u10GNlYnMgogFDxXSFPUVasbHp+wskPmXEJ7gGHE8vdYua4JuFkpvZOlsUXx3OQM5?= =?utf-8?q?bHNCveqdoxMwLEyunOhsHCj5DiGaxAEYy6YBH4t7tj38LOO+bAdkVGGpd+Yuu/4KD?= =?utf-8?q?Tp+dgNQ3Gs1DPgbYXg9VHuVDmxgvKg2Vzx6lNwiUQbDSyfYJOe58kU=3D?= X-OriginatorOrg: silabs.com X-MS-Exchange-CrossTenant-Network-Message-Id: 469599b6-2308-4bb0-6234-08d9d525f6ad X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5657.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2022 17:15:28.1824 (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: e48AqxcoyFEOGQtGD8EVq0jCPWuN7KkaY2U8KW3EXTp1U0M4OWdqVutkANg/dJy+QbPWGjLMUVh0oenPVsM/UQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB5626 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 | 92 +++++++++++++++++++++++ drivers/net/wireless/silabs/wfx/data_rx.h | 17 +++++ 2 files changed, 109 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..a4b5ffe158e4 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.c @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Data receiving 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 wfx_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..cf708f16d602 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Data receiving 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 wfx_hif_ind_rx; + +void wfx_rx_cb(struct wfx_vif *wvif, const struct wfx_hif_ind_rx *arg, struct sk_buff *skb); + +#endif