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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
commit | 81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch) | |
tree | 4bf79ffa9fc7dc5e2915ff978778c3402c491113 /drivers/net/wireless/ath/ath10k/htt_rx.c | |
parent | 8b53c76533aa4356602aea98f98a2f3b4051464c (diff) | |
parent | 1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff) | |
download | linux-81160dda9a7aad13c04e78bb2cfd3c4630e3afab.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.
2) Use bio_vec in the networking instead of custom skb_frag_t, from
Matthew Wilcox.
3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.
4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.
5) Support all variants of 5750X bnxt_en chips, from Michael Chan.
6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
Buslov.
7) Add TCP syn cookies bpf helper, from Petar Penkov.
8) Add 'nettest' to selftests and use it, from David Ahern.
9) Add extack support to drop_monitor, add packet alert mode and
support for HW drops, from Ido Schimmel.
10) Add VLAN offload to stmmac, from Jose Abreu.
11) Lots of devm_platform_ioremap_resource() conversions, from
YueHaibing.
12) Add IONIC driver, from Shannon Nelson.
13) Several kTLS cleanups, from Jakub Kicinski.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
mlxsw: spectrum: Register CPU port with devlink
mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
net: ena: fix incorrect update of intr_delay_resolution
net: ena: fix retrieval of nonadaptive interrupt moderation intervals
net: ena: fix update of interrupt moderation register
net: ena: remove all old adaptive rx interrupt moderation code from ena_com
net: ena: remove ena_restore_ethtool_params() and relevant fields
net: ena: remove old adaptive interrupt moderation code from ena_netdev
net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
net: ena: enable the interrupt_moderation in driver_supported_features
net: ena: reimplement set/get_coalesce()
net: ena: switch to dim algorithm for rx adaptive interrupt moderation
net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
ethtool: implement Energy Detect Powerdown support via phy-tunable
xen-netfront: do not assume sk_buff_head list is empty in error handling
s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
net: ena: don't wake up tx queue when down
drop_monitor: Better sanitize notified packets
...
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_rx.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_rx.c | 91 |
1 files changed, 89 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 83a7fb68fd24..53f1095de8ff 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -2151,6 +2151,10 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, struct ath10k_peer *peer; struct htt_rx_indication_mpdu_range *mpdu_ranges; struct fw_rx_desc_hl *fw_desc; + enum htt_txrx_sec_cast_type sec_index; + enum htt_security_types sec_type; + union htt_rx_pn_t new_pn = {0}; + struct htt_hl_rx_desc *rx_desc; struct ieee80211_hdr *hdr; struct ieee80211_rx_status *rx_status; u16 peer_id; @@ -2158,9 +2162,11 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, int num_mpdu_ranges; size_t tot_hdr_len; struct ieee80211_channel *ch; - bool pn_invalid; + bool pn_invalid, qos, first_msdu; + u32 tid, rx_desc_info; peer_id = __le16_to_cpu(rx->hdr.peer_id); + tid = MS(rx->hdr.info0, HTT_RX_INDICATION_INFO0_EXT_TID); spin_lock_bh(&ar->data_lock); peer = ath10k_peer_find_by_id(ar, peer_id); @@ -2168,6 +2174,9 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, if (!peer && peer_id != HTT_INVALID_PEERID) ath10k_warn(ar, "Got RX ind from invalid peer: %u\n", peer_id); + if (!peer) + return true; + num_mpdu_ranges = MS(__le32_to_cpu(rx->hdr.info1), HTT_RX_INDICATION_INFO1_NUM_MPDU_RANGES); mpdu_ranges = htt_rx_ind_get_mpdu_ranges_hl(rx); @@ -2192,10 +2201,24 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, goto err; } - if (check_pn_type == HTT_RX_PN_CHECK) { + rx_desc = (struct htt_hl_rx_desc *)&rx->mpdu_ranges[num_mpdu_ranges]; + rx_desc_info = __le32_to_cpu(rx_desc->info); + + if (MS(rx_desc_info, HTT_RX_DESC_HL_INFO_MCAST_BCAST)) + sec_index = HTT_TXRX_SEC_MCAST; + else + sec_index = HTT_TXRX_SEC_UCAST; + + sec_type = peer->rx_pn[sec_index].sec_type; + first_msdu = rx->fw_desc.flags & FW_RX_DESC_FLAGS_FIRST_MSDU; + + ath10k_htt_rx_mpdu_desc_pn_hl(rx_desc, &new_pn, peer->rx_pn[sec_index].pn_len); + + if (check_pn_type == HTT_RX_PN_CHECK && tid >= IEEE80211_NUM_TIDS) { spin_lock_bh(&ar->data_lock); pn_invalid = ath10k_htt_rx_pn_check_replay_hl(ar, peer, rx); spin_unlock_bh(&ar->data_lock); + if (pn_invalid) goto err; } @@ -2211,6 +2234,7 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, skb_pull(skb, tot_hdr_len); hdr = (struct ieee80211_hdr *)skb->data; + qos = ieee80211_is_data_qos(hdr->frame_control); rx_status = IEEE80211_SKB_RXCB(skb); rx_status->chains |= BIT(0); if (rx->ppdu.combined_rssi == 0) { @@ -2254,6 +2278,55 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, rx_status->flag |= RX_FLAG_DECRYPTED | RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; + + if (tid < IEEE80211_NUM_TIDS && + first_msdu && + check_pn_type == HTT_RX_PN_CHECK && + (sec_type == HTT_SECURITY_AES_CCMP || + sec_type == HTT_SECURITY_TKIP || + sec_type == HTT_SECURITY_TKIP_NOMIC)) { + u8 offset, *ivp, i; + s8 keyidx = 0; + __le64 pn48 = cpu_to_le64(new_pn.pn48); + + hdr = (struct ieee80211_hdr *)skb->data; + offset = ieee80211_hdrlen(hdr->frame_control); + hdr->frame_control |= __cpu_to_le16(IEEE80211_FCTL_PROTECTED); + rx_status->flag &= ~RX_FLAG_IV_STRIPPED; + + memmove(skb->data - IEEE80211_CCMP_HDR_LEN, + skb->data, offset); + skb_push(skb, IEEE80211_CCMP_HDR_LEN); + ivp = skb->data + offset; + memset(skb->data + offset, 0, IEEE80211_CCMP_HDR_LEN); + /* Ext IV */ + ivp[IEEE80211_WEP_IV_LEN - 1] |= ATH10K_IEEE80211_EXTIV; + + for (i = 0; i < ARRAY_SIZE(peer->keys); i++) { + if (peer->keys[i] && + peer->keys[i]->flags & IEEE80211_KEY_FLAG_PAIRWISE) + keyidx = peer->keys[i]->keyidx; + } + + /* Key ID */ + ivp[IEEE80211_WEP_IV_LEN - 1] |= keyidx << 6; + + if (sec_type == HTT_SECURITY_AES_CCMP) { + rx_status->flag |= RX_FLAG_MIC_STRIPPED; + /* pn 0, pn 1 */ + memcpy(skb->data + offset, &pn48, 2); + /* pn 1, pn 3 , pn 34 , pn 5 */ + memcpy(skb->data + offset + 4, ((u8 *)&pn48) + 2, 4); + } else { + rx_status->flag |= RX_FLAG_ICV_STRIPPED; + /* TSC 0 */ + memcpy(skb->data + offset + 2, &pn48, 1); + /* TSC 1 */ + memcpy(skb->data + offset, ((u8 *)&pn48) + 1, 1); + /* TSC 2 , TSC 3 , TSC 4 , TSC 5*/ + memcpy(skb->data + offset + 4, ((u8 *)&pn48) + 2, 4); + } + } } if (tkip_mic_type == HTT_RX_TKIP_MIC) @@ -2263,6 +2336,20 @@ static bool ath10k_htt_rx_proc_rx_ind_hl(struct ath10k_htt *htt, if (mpdu_ranges->mpdu_range_status == HTT_RX_IND_MPDU_STATUS_TKIP_MIC_ERR) rx_status->flag |= RX_FLAG_MMIC_ERROR; + if (!qos && tid < IEEE80211_NUM_TIDS) { + u8 offset; + __le16 qos_ctrl = 0; + + hdr = (struct ieee80211_hdr *)skb->data; + offset = ieee80211_hdrlen(hdr->frame_control); + + hdr->frame_control |= cpu_to_le16(IEEE80211_STYPE_QOS_DATA); + memmove(skb->data - IEEE80211_QOS_CTL_LEN, skb->data, offset); + skb_push(skb, IEEE80211_QOS_CTL_LEN); + qos_ctrl = cpu_to_le16(tid); + memcpy(skb->data + offset, &qos_ctrl, IEEE80211_QOS_CTL_LEN); + } + ieee80211_rx_ni(ar->hw, skb); /* We have delivered the skb to the upper layers (mac80211) so we |