From: Jerome Pouiller <Jerome.Pouiller@silabs.com> To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, "Kalle Valo" <kvalo@codeaurora.org>, "David S . Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>, linux-mmc@vger.kernel.org, "Pali Rohár" <pali@kernel.org>, "Ulf Hansson" <ulf.hansson@linaro.org>, "Jérôme Pouiller" <jerome.pouiller@silabs.com> Subject: [PATCH v2 16/24] wfx: add data_rx.c/data_rx.h Date: Tue, 20 Oct 2020 14:58:09 +0200 [thread overview] Message-ID: <20201020125817.1632995-17-Jerome.Pouiller@silabs.com> (raw) In-Reply-To: <20201020125817.1632995-1-Jerome.Pouiller@silabs.com> From: Jérôme Pouiller <jerome.pouiller@silabs.com> Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> --- drivers/net/wireless/silabs/wfx/data_rx.c | 93 +++++++++++++++++++++++ drivers/net/wireless/silabs/wfx/data_rx.h | 18 +++++ 2 files changed, 111 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..385f2d42a0e2 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#include <linux/etherdevice.h> +#include <net/mac80211.h> + +#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..4c0da37f2084 --- /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 /* WFX_DATA_RX_H */ -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Jerome Pouiller <Jerome.Pouiller@silabs.com> To: linux-wireless@vger.kernel.org, netdev@vger.kernel.org Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, "Ulf Hansson" <ulf.hansson@linaro.org>, "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, "Rob Herring" <robh+dt@kernel.org>, "Pali Rohár" <pali@kernel.org>, "David S . Miller" <davem@davemloft.net>, "Kalle Valo" <kvalo@codeaurora.org> Subject: [PATCH v2 16/24] wfx: add data_rx.c/data_rx.h Date: Tue, 20 Oct 2020 14:58:09 +0200 [thread overview] Message-ID: <20201020125817.1632995-17-Jerome.Pouiller@silabs.com> (raw) In-Reply-To: <20201020125817.1632995-1-Jerome.Pouiller@silabs.com> From: Jérôme Pouiller <jerome.pouiller@silabs.com> Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com> --- drivers/net/wireless/silabs/wfx/data_rx.c | 93 +++++++++++++++++++++++ drivers/net/wireless/silabs/wfx/data_rx.h | 18 +++++ 2 files changed, 111 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..385f2d42a0e2 --- /dev/null +++ b/drivers/net/wireless/silabs/wfx/data_rx.c @@ -0,0 +1,93 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Datapath implementation. + * + * Copyright (c) 2017-2020, Silicon Laboratories, Inc. + * Copyright (c) 2010, ST-Ericsson + */ +#include <linux/etherdevice.h> +#include <net/mac80211.h> + +#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..4c0da37f2084 --- /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 /* WFX_DATA_RX_H */ -- 2.28.0 _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
next prev parent reply other threads:[~2020-10-20 13:01 UTC|newest] Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-20 12:57 [PATCH v2 00/24] wfx: get out from the staging area Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 12:57 ` [PATCH v2 01/24] mmc: sdio: add SDIO IDs for Silabs WF200 chip Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 15:07 ` Ulf Hansson 2020-10-20 15:07 ` Ulf Hansson 2020-10-21 22:30 ` Pali Rohár 2020-10-21 22:30 ` Pali Rohár 2020-10-20 12:57 ` [PATCH v2 02/24] dt-bindings: introduce silabs,wfx.yaml Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-26 14:30 ` Rob Herring 2020-10-26 14:30 ` Rob Herring 2020-10-20 12:57 ` [PATCH v2 03/24] wfx: add Makefile/Kconfig Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 12:57 ` [PATCH v2 04/24] wfx: add wfx.h Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 12:57 ` [PATCH v2 05/24] wfx: add main.c/main.h Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 12:57 ` [PATCH v2 06/24] wfx: add bus.h Jerome Pouiller 2020-10-20 12:57 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 07/24] wfx: add bus_spi.c Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 08/24] wfx: add bus_sdio.c Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 09/24] wfx: add hwio.c/hwio.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 10/24] wfx: add fwio.c/fwio.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 11/24] wfx: add bh.c/bh.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 12/24] wfx: add hif_api_*.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 13/24] wfx: add hif_tx*.c/hif_tx*.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 14/24] wfx: add key.c/key.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 15/24] wfx: add hif_rx.c/hif_rx.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller [this message] 2020-10-20 12:58 ` [PATCH v2 16/24] wfx: add data_rx.c/data_rx.h Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 17/24] wfx: add queue.c/queue.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 18/24] wfx: add data_tx.c/data_tx.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 19/24] wfx: add sta.c/sta.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 20/24] wfx: add scan.c/scan.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 21/24] wfx: add debug.c/debug.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 22/24] wfx: add traces.h Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 23/24] wfx: remove from the staging area Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller 2020-10-20 12:58 ` [PATCH v2 24/24] wfx: get out " Jerome Pouiller 2020-10-20 12:58 ` Jerome Pouiller
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201020125817.1632995-17-Jerome.Pouiller@silabs.com \ --to=jerome.pouiller@silabs.com \ --cc=davem@davemloft.net \ --cc=devel@driverdev.osuosl.org \ --cc=devicetree@vger.kernel.org \ --cc=gregkh@linuxfoundation.org \ --cc=kvalo@codeaurora.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mmc@vger.kernel.org \ --cc=linux-wireless@vger.kernel.org \ --cc=netdev@vger.kernel.org \ --cc=pali@kernel.org \ --cc=robh+dt@kernel.org \ --cc=ulf.hansson@linaro.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.