a8273c8335
Rather than extracting msdu end TLV information per field basis, extract needed msdu end TLV information into local structure. Change-Id: Iff8eea6c88a11ab588f6f4d8f11acb6faa4d513d
344 行
9.9 KiB
C
344 行
9.9 KiB
C
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/*
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* Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _DP_TXRX_WDS_H_
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#define _DP_TXRX_WDS_H_
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/* WDS AST entry aging timer value */
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#define DP_WDS_AST_AGING_TIMER_DEFAULT_MS 120000
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#define DP_WDS_AST_AGING_TIMER_CNT \
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((DP_WDS_AST_AGING_TIMER_DEFAULT_MS / DP_AST_AGING_TIMER_DEFAULT_MS) - 1)
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void dp_soc_wds_attach(struct dp_soc *soc);
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void dp_soc_wds_detach(struct dp_soc *soc);
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void
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dp_rx_da_learn(struct dp_soc *soc,
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uint8_t *rx_tlv_hdr,
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struct dp_peer *ta_peer,
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qdf_nbuf_t nbuf);
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void dp_tx_mec_handler(struct dp_vdev *vdev, uint8_t *status);
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#ifdef FEATURE_WDS
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static inline bool dp_tx_da_search_override(struct dp_vdev *vdev)
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{
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struct dp_soc *soc = vdev->pdev->soc;
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/*
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* If AST index override support is available (HKv2 etc),
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* DA search flag be enabled always
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*
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* If AST index override support is not available (HKv1),
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* DA search flag should be used for all modes except QWRAP
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*/
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if (soc->ast_override_support || !vdev->proxysta_vdev)
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return true;
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return false;
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}
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#endif
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#ifdef WDS_VENDOR_EXTENSION
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void
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dp_txrx_peer_wds_tx_policy_update(struct cdp_soc_t *cdp_soc, uint8_t vdev_id,
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uint8_t *peer_mac, int wds_tx_ucast,
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int wds_tx_mcast)
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void
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dp_txrx_set_wds_rx_policy(struct cdp_soc_t *cdp_soc, uint8_t vdev_id,
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u_int32_t val);
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#endif
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/**
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* dp_rx_wds_add_or_update_ast() - Add or update the ast entry.
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*
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* @soc: core txrx main context
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* @ta_peer: WDS repeater peer
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* @mac_addr: mac address of the peer
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* @is_ad4_valid: 4-address valid flag
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* @is_sa_valid: source address valid flag
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* @is_chfrag_start: frag start flag
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* @sa_idx: source-address index for peer
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* @sa_sw_peer_id: software source-address peer-id
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*
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* Return: void:
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*/
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static inline void
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dp_rx_wds_add_or_update_ast(struct dp_soc *soc, struct dp_peer *ta_peer,
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qdf_nbuf_t nbuf, uint8_t is_ad4_valid,
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uint8_t is_sa_valid, uint8_t is_chfrag_start,
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uint16_t sa_idx, uint16_t sa_sw_peer_id)
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{
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struct dp_peer *sa_peer;
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struct dp_ast_entry *ast;
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uint32_t flags = IEEE80211_NODE_F_WDS_HM;
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uint32_t ret = 0;
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struct dp_neighbour_peer *neighbour_peer = NULL;
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struct dp_pdev *pdev = ta_peer->vdev->pdev;
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uint8_t wds_src_mac[QDF_MAC_ADDR_SIZE];
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/* For AP mode : Do wds source port learning only if it is a
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* 4-address mpdu
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*
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* For STA mode : Frames from RootAP backend will be in 3-address mode,
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* till RootAP does the WDS source port learning; Hence in repeater/STA
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* mode, we enable learning even in 3-address mode , to avoid RootAP
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* backbone getting wrongly learnt as MEC on repeater
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*/
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if (ta_peer->vdev->opmode != wlan_op_mode_sta) {
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if (!(is_chfrag_start && is_ad4_valid))
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return;
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} else {
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/* For HKv2 Source port learing is not needed in STA mode
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* as we have support in HW
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*
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* if sa_valid bit is set there is a AST entry added on AP VAP
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* and this peer has roamed behind ROOT AP in this case proceed
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* further to check for roaming
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*/
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if (soc->ast_override_support && !is_sa_valid)
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return;
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}
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if (qdf_unlikely(!is_sa_valid)) {
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qdf_mem_copy(wds_src_mac,
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(qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE),
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QDF_MAC_ADDR_SIZE);
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ret = dp_peer_add_ast(soc,
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ta_peer,
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wds_src_mac,
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CDP_TXRX_AST_TYPE_WDS,
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flags);
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return;
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}
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qdf_spin_lock_bh(&soc->ast_lock);
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ast = soc->ast_table[sa_idx];
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qdf_spin_unlock_bh(&soc->ast_lock);
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if (!ast) {
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/*
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* In HKv1, it is possible that HW retains the AST entry in
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* GSE cache on 1 radio , even after the AST entry is deleted
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* (on another radio).
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*
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* Due to this, host might still get sa_is_valid indications
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* for frames with SA not really present in AST table.
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*
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* So we go ahead and send an add_ast command to FW in such
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* cases where sa is reported still as valid, so that FW will
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* invalidate this GSE cache entry and new AST entry gets
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* cached.
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*/
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if (!soc->ast_override_support) {
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qdf_mem_copy(wds_src_mac,
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(qdf_nbuf_data(nbuf) + QDF_MAC_ADDR_SIZE),
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QDF_MAC_ADDR_SIZE);
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ret = dp_peer_add_ast(soc,
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ta_peer,
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wds_src_mac,
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CDP_TXRX_AST_TYPE_WDS,
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flags);
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return;
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} else {
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/* In HKv2 smart monitor case, when NAC client is
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* added first and this client roams within BSS to
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* connect to RE, since we have an AST entry for
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* NAC we get sa_is_valid bit set. So we check if
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* smart monitor is enabled and send add_ast command
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* to FW.
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*/
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if (pdev->neighbour_peers_added) {
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qdf_mem_copy(wds_src_mac,
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(qdf_nbuf_data(nbuf) +
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QDF_MAC_ADDR_SIZE),
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QDF_MAC_ADDR_SIZE);
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qdf_spin_lock_bh(&pdev->neighbour_peer_mutex);
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TAILQ_FOREACH(neighbour_peer,
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&pdev->neighbour_peers_list,
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neighbour_peer_list_elem) {
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if (!qdf_mem_cmp(&neighbour_peer->neighbour_peers_macaddr,
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wds_src_mac,
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QDF_MAC_ADDR_SIZE)) {
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ret = dp_peer_add_ast(soc,
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ta_peer,
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wds_src_mac,
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CDP_TXRX_AST_TYPE_WDS,
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flags);
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QDF_TRACE(QDF_MODULE_ID_DP,
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QDF_TRACE_LEVEL_INFO,
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"sa valid and nac roamed to wds");
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break;
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}
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}
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qdf_spin_unlock_bh(&pdev->neighbour_peer_mutex);
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}
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return;
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}
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}
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if ((ast->type == CDP_TXRX_AST_TYPE_WDS_HM) ||
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(ast->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC))
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return;
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/*
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* Ensure we are updating the right AST entry by
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* validating ast_idx.
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* There is a possibility we might arrive here without
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* AST MAP event , so this check is mandatory
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*/
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if (ast->is_mapped && (ast->ast_idx == sa_idx))
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ast->is_active = TRUE;
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if (sa_sw_peer_id != ta_peer->peer_ids[0]) {
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sa_peer = ast->peer;
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if ((ast->type != CDP_TXRX_AST_TYPE_STATIC) &&
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(ast->type != CDP_TXRX_AST_TYPE_SELF) &&
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(ast->type != CDP_TXRX_AST_TYPE_STA_BSS)) {
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if (ast->pdev_id != ta_peer->vdev->pdev->pdev_id) {
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/* This case is when a STA roams from one
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* repeater to another repeater, but these
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* repeaters are connected to root AP on
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* different radios.
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* Ex: rptr1 connected to ROOT AP over 5G
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* and rptr2 connected to ROOT AP over 2G
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* radio
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*/
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qdf_spin_lock_bh(&soc->ast_lock);
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dp_peer_del_ast(soc, ast);
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qdf_spin_unlock_bh(&soc->ast_lock);
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} else {
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/* this case is when a STA roams from one
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* reapter to another repeater, but inside
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* same radio.
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*/
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qdf_spin_lock_bh(&soc->ast_lock);
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/* For HKv2 do not update the AST entry if
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* new ta_peer is on STA vap as SRC port
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* learning is disable on STA vap
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*/
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if (soc->ast_override_support &&
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(ta_peer->vdev->opmode == wlan_op_mode_sta))
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dp_peer_del_ast(soc, ast);
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else
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dp_peer_update_ast(soc, ta_peer, ast, flags);
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qdf_spin_unlock_bh(&soc->ast_lock);
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return;
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}
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}
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/*
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* Do not kickout STA if it belongs to a different radio.
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* For DBDC repeater, it is possible to arrive here
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* for multicast loopback frames originated from connected
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* clients and looped back (intrabss) by Root AP
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*/
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if (ast->pdev_id != ta_peer->vdev->pdev->pdev_id) {
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return;
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}
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/*
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* Kickout, when direct associated peer(SA) roams
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* to another AP and reachable via TA peer
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*/
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if ((sa_peer->vdev->opmode == wlan_op_mode_ap) &&
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!sa_peer->delete_in_progress) {
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sa_peer->delete_in_progress = true;
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if (soc->cdp_soc.ol_ops->peer_sta_kickout) {
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soc->cdp_soc.ol_ops->peer_sta_kickout(
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soc->ctrl_psoc,
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sa_peer->vdev->pdev->pdev_id,
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wds_src_mac);
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}
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}
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}
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}
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/**
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* dp_rx_wds_srcport_learn() - Add or update the STA PEER which
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* is behind the WDS repeater.
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*
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* @soc: core txrx main context
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* @rx_tlv_hdr: base address of RX TLV header
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* @ta_peer: WDS repeater peer
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* @nbuf: rx pkt
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*
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* Return: void:
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*/
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static inline void
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dp_rx_wds_srcport_learn(struct dp_soc *soc,
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uint8_t *rx_tlv_hdr,
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struct dp_peer *ta_peer,
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qdf_nbuf_t nbuf,
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struct hal_rx_msdu_metadata msdu_end_info)
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{
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uint8_t sa_is_valid = qdf_nbuf_is_sa_valid(nbuf);
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uint8_t is_chfrag_start = 0;
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uint8_t is_ad4_valid = 0;
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if (qdf_unlikely(!ta_peer))
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return;
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is_chfrag_start = qdf_nbuf_is_rx_chfrag_start(nbuf);
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if (is_chfrag_start)
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is_ad4_valid = hal_rx_get_mpdu_mac_ad4_valid(soc->hal_soc, rx_tlv_hdr);
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/*
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* Get the AST entry from HW SA index and mark it as active
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*/
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dp_rx_wds_add_or_update_ast(soc, ta_peer, nbuf, is_ad4_valid,
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sa_is_valid, is_chfrag_start,
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msdu_end_info.sa_idx, msdu_end_info.sa_sw_peer_id);
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}
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/*
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* dp_rx_ast_set_active() - set the active flag of the astentry
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* corresponding to a hw index.
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* @soc: core txrx main context
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* @sa_idx: hw idx
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* @is_active: active flag
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*
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*/
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static inline QDF_STATUS dp_rx_ast_set_active(struct dp_soc *soc,
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uint16_t sa_idx, bool is_active)
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{
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struct dp_ast_entry *ast;
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qdf_spin_lock_bh(&soc->ast_lock);
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ast = soc->ast_table[sa_idx];
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/*
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* Ensure we are updating the right AST entry by
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* validating ast_idx.
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* There is a possibility we might arrive here without
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* AST MAP event , so this check is mandatory
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*/
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if (ast && ast->is_mapped && (ast->ast_idx == sa_idx)) {
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ast->is_active = is_active;
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qdf_spin_unlock_bh(&soc->ast_lock);
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return QDF_STATUS_SUCCESS;
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}
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qdf_spin_unlock_bh(&soc->ast_lock);
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return QDF_STATUS_E_FAILURE;
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}
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#endif /* DP_TXRX_WDS*/
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