mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-24 20:54:10 +08:00
Only a few things:
* HE (802.11ax) support in HWSIM
* bypass TXQ with NDP frames as they're special
* convert ahash -> shash in lib80211 TKIP
* avoid playing with tailroom counter defer unless
needed to avoid issues in some cases
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Merge tag 'mac80211-next-for-davem-2018-07-24' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Only a few things:
* HE (802.11ax) support in HWSIM
* bypass TXQ with NDP frames as they're special
* convert ahash -> shash in lib80211 TKIP
* avoid playing with tailroom counter defer unless
needed to avoid issues in some cases
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
c93622b53e
@ -2,6 +2,7 @@
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* mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211
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* Copyright (c) 2008, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2011, Javier Lopez <jlopex@gmail.com>
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* Copyright (c) 2016 - 2017 Intel Deutschland GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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@ -2517,6 +2518,123 @@ out_err:
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nlmsg_free(mcast_skb);
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}
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static const struct ieee80211_sband_iftype_data he_capa_2ghz = {
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/* TODO: should we support other types, e.g., P2P?*/
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.types_mask = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP),
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.he_cap = {
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.has_he = true,
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.he_cap_elem = {
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.mac_cap_info[0] =
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IEEE80211_HE_MAC_CAP0_HTC_HE,
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.mac_cap_info[1] =
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IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
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IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_QOS_8,
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.mac_cap_info[2] =
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IEEE80211_HE_MAC_CAP2_BSR |
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IEEE80211_HE_MAC_CAP2_MU_CASCADING |
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IEEE80211_HE_MAC_CAP2_ACK_EN,
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.mac_cap_info[3] =
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IEEE80211_HE_MAC_CAP3_GRP_ADDR_MULTI_STA_BA_DL_MU |
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IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
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IEEE80211_HE_MAC_CAP3_MAX_A_AMPDU_LEN_EXP_VHT_2,
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.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU,
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.phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_DUAL_BAND,
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.phy_cap_info[1] =
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IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
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IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
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IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
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IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_MAX_NSTS,
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.phy_cap_info[2] =
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IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
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IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
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IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO,
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/* Leave all the other PHY capability bytes unset, as
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* DCM, beam forming, RU and PPE threshold information
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* are not supported
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*/
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},
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.he_mcs_nss_supp = {
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.rx_mcs_80 = cpu_to_le16(0xfffa),
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.tx_mcs_80 = cpu_to_le16(0xfffa),
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.rx_mcs_160 = cpu_to_le16(0xffff),
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.tx_mcs_160 = cpu_to_le16(0xffff),
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.rx_mcs_80p80 = cpu_to_le16(0xffff),
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.tx_mcs_80p80 = cpu_to_le16(0xffff),
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},
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},
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};
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static const struct ieee80211_sband_iftype_data he_capa_5ghz = {
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/* TODO: should we support other types, e.g., P2P?*/
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.types_mask = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP),
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.he_cap = {
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.has_he = true,
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.he_cap_elem = {
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.mac_cap_info[0] =
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IEEE80211_HE_MAC_CAP0_HTC_HE,
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.mac_cap_info[1] =
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IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
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IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_QOS_8,
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.mac_cap_info[2] =
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IEEE80211_HE_MAC_CAP2_BSR |
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IEEE80211_HE_MAC_CAP2_MU_CASCADING |
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IEEE80211_HE_MAC_CAP2_ACK_EN,
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.mac_cap_info[3] =
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IEEE80211_HE_MAC_CAP3_GRP_ADDR_MULTI_STA_BA_DL_MU |
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IEEE80211_HE_MAC_CAP3_OMI_CONTROL |
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IEEE80211_HE_MAC_CAP3_MAX_A_AMPDU_LEN_EXP_VHT_2,
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.mac_cap_info[4] = IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU,
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.phy_cap_info[0] =
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IEEE80211_HE_PHY_CAP0_DUAL_BAND |
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G |
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G |
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IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G,
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.phy_cap_info[1] =
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IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK |
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IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A |
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IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD |
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IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_MAX_NSTS,
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.phy_cap_info[2] =
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IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US |
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IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ |
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IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO |
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IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO,
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/* Leave all the other PHY capability bytes unset, as
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* DCM, beam forming, RU and PPE threshold information
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* are not supported
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*/
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},
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.he_mcs_nss_supp = {
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.rx_mcs_80 = cpu_to_le16(0xfffa),
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.tx_mcs_80 = cpu_to_le16(0xfffa),
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.rx_mcs_160 = cpu_to_le16(0xfffa),
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.tx_mcs_160 = cpu_to_le16(0xfffa),
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.rx_mcs_80p80 = cpu_to_le16(0xfffa),
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.tx_mcs_80p80 = cpu_to_le16(0xfffa),
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},
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},
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};
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static void mac80211_hswim_he_capab(struct ieee80211_supported_band *sband)
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{
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if (sband->band == NL80211_BAND_2GHZ)
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sband->iftype_data =
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(struct ieee80211_sband_iftype_data *)&he_capa_2ghz;
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else if (sband->band == NL80211_BAND_5GHZ)
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sband->iftype_data =
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(struct ieee80211_sband_iftype_data *)&he_capa_5ghz;
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else
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return;
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sband->n_iftype_data = 1;
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}
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static int mac80211_hwsim_new_radio(struct genl_info *info,
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struct hwsim_new_radio_params *param)
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{
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@ -2678,6 +2796,9 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
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for (band = NL80211_BAND_2GHZ; band < NUM_NL80211_BANDS; band++) {
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struct ieee80211_supported_band *sband = &data->bands[band];
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sband->band = band;
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switch (band) {
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case NL80211_BAND_2GHZ:
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sband->channels = data->channels_2ghz;
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@ -2734,6 +2855,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
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sband->ht_cap.mcs.rx_mask[1] = 0xff;
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sband->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
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mac80211_hswim_he_capab(sband);
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hw->wiphy->bands[band] = sband;
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}
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@ -495,7 +495,7 @@ static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
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goto out_unlock;
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}
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ieee80211_key_free(key, true);
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ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
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ret = 0;
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out_unlock:
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@ -656,11 +656,15 @@ int ieee80211_key_link(struct ieee80211_key *key,
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{
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_key *old_key;
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int idx, ret;
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bool pairwise;
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pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
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idx = key->conf.keyidx;
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int idx = key->conf.keyidx;
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bool pairwise = key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE;
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/*
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* We want to delay tailroom updates only for station - in that
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* case it helps roaming speed, but in other cases it hurts and
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* can cause warnings to appear.
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*/
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bool delay_tailroom = sdata->vif.type == NL80211_IFTYPE_STATION;
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int ret;
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mutex_lock(&sdata->local->key_mtx);
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@ -688,14 +692,14 @@ int ieee80211_key_link(struct ieee80211_key *key,
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increment_tailroom_need_count(sdata);
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ieee80211_key_replace(sdata, sta, pairwise, old_key, key);
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ieee80211_key_destroy(old_key, true);
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ieee80211_key_destroy(old_key, delay_tailroom);
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ieee80211_debugfs_key_add(key);
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if (!local->wowlan) {
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ret = ieee80211_key_enable_hw_accel(key);
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if (ret)
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ieee80211_key_free(key, true);
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ieee80211_key_free(key, delay_tailroom);
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} else {
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ret = 0;
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}
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@ -930,7 +934,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
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ieee80211_key_replace(key->sdata, key->sta,
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key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
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key, NULL);
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__ieee80211_key_destroy(key, true);
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__ieee80211_key_destroy(key, key->sdata->vif.type ==
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NL80211_IFTYPE_STATION);
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}
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for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
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@ -940,7 +945,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
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ieee80211_key_replace(key->sdata, key->sta,
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key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
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key, NULL);
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__ieee80211_key_destroy(key, true);
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__ieee80211_key_destroy(key, key->sdata->vif.type ==
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NL80211_IFTYPE_STATION);
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}
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mutex_unlock(&local->key_mtx);
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@ -1249,7 +1249,7 @@ static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local,
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(info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE))
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return NULL;
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if (!ieee80211_is_data(hdr->frame_control))
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if (!ieee80211_is_data_present(hdr->frame_control))
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return NULL;
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if (sta) {
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@ -65,9 +65,9 @@ struct lib80211_tkip_data {
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int key_idx;
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struct crypto_skcipher *rx_tfm_arc4;
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struct crypto_ahash *rx_tfm_michael;
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struct crypto_shash *rx_tfm_michael;
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struct crypto_skcipher *tx_tfm_arc4;
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struct crypto_ahash *tx_tfm_michael;
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struct crypto_shash *tx_tfm_michael;
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|
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/* scratch buffers for virt_to_page() (crypto API) */
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u8 rx_hdr[16], tx_hdr[16];
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@ -106,8 +106,7 @@ static void *lib80211_tkip_init(int key_idx)
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goto fail;
|
||||
}
|
||||
|
||||
priv->tx_tfm_michael = crypto_alloc_ahash("michael_mic", 0,
|
||||
CRYPTO_ALG_ASYNC);
|
||||
priv->tx_tfm_michael = crypto_alloc_shash("michael_mic", 0, 0);
|
||||
if (IS_ERR(priv->tx_tfm_michael)) {
|
||||
priv->tx_tfm_michael = NULL;
|
||||
goto fail;
|
||||
@ -120,8 +119,7 @@ static void *lib80211_tkip_init(int key_idx)
|
||||
goto fail;
|
||||
}
|
||||
|
||||
priv->rx_tfm_michael = crypto_alloc_ahash("michael_mic", 0,
|
||||
CRYPTO_ALG_ASYNC);
|
||||
priv->rx_tfm_michael = crypto_alloc_shash("michael_mic", 0, 0);
|
||||
if (IS_ERR(priv->rx_tfm_michael)) {
|
||||
priv->rx_tfm_michael = NULL;
|
||||
goto fail;
|
||||
@ -131,9 +129,9 @@ static void *lib80211_tkip_init(int key_idx)
|
||||
|
||||
fail:
|
||||
if (priv) {
|
||||
crypto_free_ahash(priv->tx_tfm_michael);
|
||||
crypto_free_shash(priv->tx_tfm_michael);
|
||||
crypto_free_skcipher(priv->tx_tfm_arc4);
|
||||
crypto_free_ahash(priv->rx_tfm_michael);
|
||||
crypto_free_shash(priv->rx_tfm_michael);
|
||||
crypto_free_skcipher(priv->rx_tfm_arc4);
|
||||
kfree(priv);
|
||||
}
|
||||
@ -145,9 +143,9 @@ static void lib80211_tkip_deinit(void *priv)
|
||||
{
|
||||
struct lib80211_tkip_data *_priv = priv;
|
||||
if (_priv) {
|
||||
crypto_free_ahash(_priv->tx_tfm_michael);
|
||||
crypto_free_shash(_priv->tx_tfm_michael);
|
||||
crypto_free_skcipher(_priv->tx_tfm_arc4);
|
||||
crypto_free_ahash(_priv->rx_tfm_michael);
|
||||
crypto_free_shash(_priv->rx_tfm_michael);
|
||||
crypto_free_skcipher(_priv->rx_tfm_arc4);
|
||||
}
|
||||
kfree(priv);
|
||||
@ -510,29 +508,36 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
|
||||
return keyidx;
|
||||
}
|
||||
|
||||
static int michael_mic(struct crypto_ahash *tfm_michael, u8 * key, u8 * hdr,
|
||||
u8 * data, size_t data_len, u8 * mic)
|
||||
static int michael_mic(struct crypto_shash *tfm_michael, u8 *key, u8 *hdr,
|
||||
u8 *data, size_t data_len, u8 *mic)
|
||||
{
|
||||
AHASH_REQUEST_ON_STACK(req, tfm_michael);
|
||||
struct scatterlist sg[2];
|
||||
SHASH_DESC_ON_STACK(desc, tfm_michael);
|
||||
int err;
|
||||
|
||||
if (tfm_michael == NULL) {
|
||||
pr_warn("%s(): tfm_michael == NULL\n", __func__);
|
||||
return -1;
|
||||
}
|
||||
sg_init_table(sg, 2);
|
||||
sg_set_buf(&sg[0], hdr, 16);
|
||||
sg_set_buf(&sg[1], data, data_len);
|
||||
|
||||
if (crypto_ahash_setkey(tfm_michael, key, 8))
|
||||
desc->tfm = tfm_michael;
|
||||
desc->flags = 0;
|
||||
|
||||
if (crypto_shash_setkey(tfm_michael, key, 8))
|
||||
return -1;
|
||||
|
||||
ahash_request_set_tfm(req, tfm_michael);
|
||||
ahash_request_set_callback(req, 0, NULL, NULL);
|
||||
ahash_request_set_crypt(req, sg, mic, data_len + 16);
|
||||
err = crypto_ahash_digest(req);
|
||||
ahash_request_zero(req);
|
||||
err = crypto_shash_init(desc);
|
||||
if (err)
|
||||
goto out;
|
||||
err = crypto_shash_update(desc, hdr, 16);
|
||||
if (err)
|
||||
goto out;
|
||||
err = crypto_shash_update(desc, data, data_len);
|
||||
if (err)
|
||||
goto out;
|
||||
err = crypto_shash_final(desc, mic);
|
||||
|
||||
out:
|
||||
shash_desc_zero(desc);
|
||||
return err;
|
||||
}
|
||||
|
||||
@ -654,9 +659,9 @@ static int lib80211_tkip_set_key(void *key, int len, u8 * seq, void *priv)
|
||||
{
|
||||
struct lib80211_tkip_data *tkey = priv;
|
||||
int keyidx;
|
||||
struct crypto_ahash *tfm = tkey->tx_tfm_michael;
|
||||
struct crypto_shash *tfm = tkey->tx_tfm_michael;
|
||||
struct crypto_skcipher *tfm2 = tkey->tx_tfm_arc4;
|
||||
struct crypto_ahash *tfm3 = tkey->rx_tfm_michael;
|
||||
struct crypto_shash *tfm3 = tkey->rx_tfm_michael;
|
||||
struct crypto_skcipher *tfm4 = tkey->rx_tfm_arc4;
|
||||
|
||||
keyidx = tkey->key_idx;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user