From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/wireless/ath/ath10k/htt_tx.c | 326 ++++++++++++++++++++++++++++++++++++++++++++++++++----
1 files changed, 300 insertions(+), 26 deletions(-)
diff --git a/kernel/drivers/net/wireless/ath/ath10k/htt_tx.c b/kernel/drivers/net/wireless/ath/ath10k/htt_tx.c
index 3718d4d..5f67da4 100644
--- a/kernel/drivers/net/wireless/ath/ath10k/htt_tx.c
+++ b/kernel/drivers/net/wireless/ath/ath10k/htt_tx.c
@@ -1,18 +1,7 @@
+// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/etherdevice.h>
@@ -498,6 +487,9 @@
if (htt->tx_mem_allocated)
return 0;
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL)
+ return 0;
+
ret = ath10k_htt_tx_alloc_buf(htt);
if (ret)
goto free_idr_pending_tx;
@@ -540,9 +532,15 @@
htt->tx_mem_allocated = false;
}
+static void ath10k_htt_flush_tx_queue(struct ath10k_htt *htt)
+{
+ ath10k_htc_stop_hl(htt->ar);
+ idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+}
+
void ath10k_htt_tx_stop(struct ath10k_htt *htt)
{
- idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+ ath10k_htt_flush_tx_queue(htt);
idr_destroy(&htt->pending_tx);
}
@@ -552,9 +550,46 @@
ath10k_htt_tx_destroy(htt);
}
+void ath10k_htt_op_ep_tx_credits(struct ath10k *ar)
+{
+ queue_work(ar->workqueue, &ar->bundle_tx_work);
+}
+
void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
{
+ struct ath10k_htt *htt = &ar->htt;
+ struct htt_tx_done tx_done = {0};
+ struct htt_cmd_hdr *htt_hdr;
+ struct htt_data_tx_desc *desc_hdr = NULL;
+ u16 flags1 = 0;
+ u8 msg_type = 0;
+
+ if (htt->disable_tx_comp) {
+ htt_hdr = (struct htt_cmd_hdr *)skb->data;
+ msg_type = htt_hdr->msg_type;
+
+ if (msg_type == HTT_H2T_MSG_TYPE_TX_FRM) {
+ desc_hdr = (struct htt_data_tx_desc *)
+ (skb->data + sizeof(*htt_hdr));
+ flags1 = __le16_to_cpu(desc_hdr->flags1);
+ }
+ }
+
dev_kfree_skb_any(skb);
+
+ if ((!htt->disable_tx_comp) || (msg_type != HTT_H2T_MSG_TYPE_TX_FRM))
+ return;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTT,
+ "htt tx complete msdu id:%u ,flags1:%x\n",
+ __le16_to_cpu(desc_hdr->id), flags1);
+
+ if (flags1 & HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE)
+ return;
+
+ tx_done.status = HTT_TX_COMPL_STATE_ACK;
+ tx_done.msdu_id = __le16_to_cpu(desc_hdr->id);
+ ath10k_txrx_tx_unref(&ar->htt, &tx_done);
}
void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb)
@@ -591,7 +626,8 @@
return 0;
}
-int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u8 mask, u64 cookie)
+int ath10k_htt_h2t_stats_req(struct ath10k_htt *htt, u32 mask, u32 reset_mask,
+ u64 cookie)
{
struct ath10k *ar = htt->ar;
struct htt_stats_req *req;
@@ -614,11 +650,11 @@
memset(req, 0, sizeof(*req));
- /* currently we support only max 8 bit masks so no need to worry
+ /* currently we support only max 24 bit masks so no need to worry
* about endian support
*/
- req->upload_types[0] = mask;
- req->reset_types[0] = mask;
+ memcpy(req->upload_types, &mask, 3);
+ memcpy(req->reset_types, &reset_mask, 3);
req->stat_type = HTT_STATS_REQ_CFG_STAT_TYPE_INVALID;
req->cookie_lsb = cpu_to_le32(cookie & 0xffffffff);
req->cookie_msb = cpu_to_le32((cookie & 0xffffffff00000000ULL) >> 32);
@@ -937,9 +973,60 @@
return 0;
}
-int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
- u8 max_subfrms_ampdu,
- u8 max_subfrms_amsdu)
+static int ath10k_htt_send_rx_ring_cfg_hl(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+ struct sk_buff *skb;
+ struct htt_cmd *cmd;
+ struct htt_rx_ring_setup_ring32 *ring;
+ const int num_rx_ring = 1;
+ u16 flags;
+ int len;
+ int ret;
+
+ /*
+ * the HW expects the buffer to be an integral number of 4-byte
+ * "words"
+ */
+ BUILD_BUG_ON(!IS_ALIGNED(HTT_RX_BUF_SIZE, 4));
+ BUILD_BUG_ON((HTT_RX_BUF_SIZE & HTT_MAX_CACHE_LINE_SIZE_MASK) != 0);
+
+ len = sizeof(cmd->hdr) + sizeof(cmd->rx_setup_32.hdr)
+ + (sizeof(*ring) * num_rx_ring);
+ skb = ath10k_htc_alloc_skb(ar, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, len);
+
+ cmd = (struct htt_cmd *)skb->data;
+ ring = &cmd->rx_setup_32.rings[0];
+
+ cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_RX_RING_CFG;
+ cmd->rx_setup_32.hdr.num_rings = 1;
+
+ flags = 0;
+ flags |= HTT_RX_RING_FLAGS_MSDU_PAYLOAD;
+ flags |= HTT_RX_RING_FLAGS_UNICAST_RX;
+ flags |= HTT_RX_RING_FLAGS_MULTICAST_RX;
+
+ memset(ring, 0, sizeof(*ring));
+ ring->rx_ring_len = __cpu_to_le16(HTT_RX_RING_SIZE_MIN);
+ ring->rx_ring_bufsize = __cpu_to_le16(HTT_RX_BUF_SIZE);
+ ring->flags = __cpu_to_le16(flags);
+
+ ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_htt_h2t_aggr_cfg_msg_32(struct ath10k_htt *htt,
+ u8 max_subfrms_ampdu,
+ u8 max_subfrms_amsdu)
{
struct ath10k *ar = htt->ar;
struct htt_aggr_conf *aggr_conf;
@@ -968,6 +1055,53 @@
cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_AGGR_CFG;
aggr_conf = &cmd->aggr_conf;
+ aggr_conf->max_num_ampdu_subframes = max_subfrms_ampdu;
+ aggr_conf->max_num_amsdu_subframes = max_subfrms_amsdu;
+
+ ath10k_dbg(ar, ATH10K_DBG_HTT, "htt h2t aggr cfg msg amsdu %d ampdu %d",
+ aggr_conf->max_num_amsdu_subframes,
+ aggr_conf->max_num_ampdu_subframes);
+
+ ret = ath10k_htc_send(&htt->ar->htc, htt->eid, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_htt_h2t_aggr_cfg_msg_v2(struct ath10k_htt *htt,
+ u8 max_subfrms_ampdu,
+ u8 max_subfrms_amsdu)
+{
+ struct ath10k *ar = htt->ar;
+ struct htt_aggr_conf_v2 *aggr_conf;
+ struct sk_buff *skb;
+ struct htt_cmd *cmd;
+ int len;
+ int ret;
+
+ /* Firmware defaults are: amsdu = 3 and ampdu = 64 */
+
+ if (max_subfrms_ampdu == 0 || max_subfrms_ampdu > 64)
+ return -EINVAL;
+
+ if (max_subfrms_amsdu == 0 || max_subfrms_amsdu > 31)
+ return -EINVAL;
+
+ len = sizeof(cmd->hdr);
+ len += sizeof(cmd->aggr_conf_v2);
+
+ skb = ath10k_htc_alloc_skb(ar, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, len);
+ cmd = (struct htt_cmd *)skb->data;
+ cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_AGGR_CFG;
+
+ aggr_conf = &cmd->aggr_conf_v2;
aggr_conf->max_num_ampdu_subframes = max_subfrms_ampdu;
aggr_conf->max_num_amsdu_subframes = max_subfrms_amsdu;
@@ -1075,6 +1209,7 @@
int len = 0;
int msdu_id = -1;
int res;
+ const u8 *peer_addr;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)msdu->data;
len += sizeof(cmd->hdr);
@@ -1090,7 +1225,16 @@
ieee80211_is_deauth(hdr->frame_control) ||
ieee80211_is_disassoc(hdr->frame_control)) &&
ieee80211_has_protected(hdr->frame_control)) {
- skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+ peer_addr = hdr->addr1;
+ if (is_multicast_ether_addr(peer_addr)) {
+ skb_put(msdu, sizeof(struct ieee80211_mmie_16));
+ } else {
+ if (skb_cb->ucast_cipher == WLAN_CIPHER_SUITE_GCMP ||
+ skb_cb->ucast_cipher == WLAN_CIPHER_SUITE_GCMP_256)
+ skb_put(msdu, IEEE80211_GCMP_MIC_LEN);
+ else
+ skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+ }
}
txdesc = ath10k_htc_alloc_skb(ar, len);
@@ -1126,7 +1270,8 @@
return 0;
err_unmap_msdu:
- dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
+ if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
+ dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
err_free_txdesc:
dev_kfree_skb_any(txdesc);
err_free_msdu_id:
@@ -1134,6 +1279,123 @@
ath10k_htt_tx_free_msdu_id(htt, msdu_id);
spin_unlock_bh(&htt->tx_lock);
err:
+ return res;
+}
+
+#define HTT_TX_HL_NEEDED_HEADROOM \
+ (unsigned int)(sizeof(struct htt_cmd_hdr) + \
+ sizeof(struct htt_data_tx_desc) + \
+ sizeof(struct ath10k_htc_hdr))
+
+static int ath10k_htt_tx_hl(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txmode,
+ struct sk_buff *msdu)
+{
+ struct ath10k *ar = htt->ar;
+ int res, data_len;
+ struct htt_cmd_hdr *cmd_hdr;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)msdu->data;
+ struct htt_data_tx_desc *tx_desc;
+ struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(msdu);
+ struct sk_buff *tmp_skb;
+ bool is_eth = (txmode == ATH10K_HW_TXRX_ETHERNET);
+ u8 vdev_id = ath10k_htt_tx_get_vdev_id(ar, msdu);
+ u8 tid = ath10k_htt_tx_get_tid(msdu, is_eth);
+ u8 flags0 = 0;
+ u16 flags1 = 0;
+ u16 msdu_id = 0;
+
+ if ((ieee80211_is_action(hdr->frame_control) ||
+ ieee80211_is_deauth(hdr->frame_control) ||
+ ieee80211_is_disassoc(hdr->frame_control)) &&
+ ieee80211_has_protected(hdr->frame_control)) {
+ skb_put(msdu, IEEE80211_CCMP_MIC_LEN);
+ }
+
+ data_len = msdu->len;
+
+ switch (txmode) {
+ case ATH10K_HW_TXRX_RAW:
+ case ATH10K_HW_TXRX_NATIVE_WIFI:
+ flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
+ fallthrough;
+ case ATH10K_HW_TXRX_ETHERNET:
+ flags0 |= SM(txmode, HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE);
+ break;
+ case ATH10K_HW_TXRX_MGMT:
+ flags0 |= SM(ATH10K_HW_TXRX_MGMT,
+ HTT_DATA_TX_DESC_FLAGS0_PKT_TYPE);
+ flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
+
+ if (htt->disable_tx_comp)
+ flags1 |= HTT_DATA_TX_DESC_FLAGS1_TX_COMPLETE;
+ break;
+ }
+
+ if (skb_cb->flags & ATH10K_SKB_F_NO_HWCRYPT)
+ flags0 |= HTT_DATA_TX_DESC_FLAGS0_NO_ENCRYPT;
+
+ flags1 |= SM((u16)vdev_id, HTT_DATA_TX_DESC_FLAGS1_VDEV_ID);
+ flags1 |= SM((u16)tid, HTT_DATA_TX_DESC_FLAGS1_EXT_TID);
+ if (msdu->ip_summed == CHECKSUM_PARTIAL &&
+ !test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
+ flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L3_OFFLOAD;
+ flags1 |= HTT_DATA_TX_DESC_FLAGS1_CKSUM_L4_OFFLOAD;
+ }
+
+ /* Prepend the HTT header and TX desc struct to the data message
+ * and realloc the skb if it does not have enough headroom.
+ */
+ if (skb_headroom(msdu) < HTT_TX_HL_NEEDED_HEADROOM) {
+ tmp_skb = msdu;
+
+ ath10k_dbg(htt->ar, ATH10K_DBG_HTT,
+ "Not enough headroom in skb. Current headroom: %u, needed: %u. Reallocating...\n",
+ skb_headroom(msdu), HTT_TX_HL_NEEDED_HEADROOM);
+ msdu = skb_realloc_headroom(msdu, HTT_TX_HL_NEEDED_HEADROOM);
+ kfree_skb(tmp_skb);
+ if (!msdu) {
+ ath10k_warn(htt->ar, "htt hl tx: Unable to realloc skb!\n");
+ res = -ENOMEM;
+ goto out;
+ }
+ }
+
+ if (ar->bus_param.hl_msdu_ids) {
+ flags1 |= HTT_DATA_TX_DESC_FLAGS1_POSTPONED;
+ res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
+ if (res < 0) {
+ ath10k_err(ar, "msdu_id allocation failed %d\n", res);
+ goto out;
+ }
+ msdu_id = res;
+ }
+
+ /* As msdu is freed by mac80211 (in ieee80211_tx_status()) and by
+ * ath10k (in ath10k_htt_htc_tx_complete()) we have to increase
+ * reference by one to avoid a use-after-free case and a double
+ * free.
+ */
+ skb_get(msdu);
+
+ skb_push(msdu, sizeof(*cmd_hdr));
+ skb_push(msdu, sizeof(*tx_desc));
+ cmd_hdr = (struct htt_cmd_hdr *)msdu->data;
+ tx_desc = (struct htt_data_tx_desc *)(msdu->data + sizeof(*cmd_hdr));
+
+ cmd_hdr->msg_type = HTT_H2T_MSG_TYPE_TX_FRM;
+ tx_desc->flags0 = flags0;
+ tx_desc->flags1 = __cpu_to_le16(flags1);
+ tx_desc->len = __cpu_to_le16(data_len);
+ tx_desc->id = __cpu_to_le16(msdu_id);
+ tx_desc->frags_paddr = 0; /* always zero */
+ /* Initialize peer_id to INVALID_PEER because this is NOT
+ * Reinjection path
+ */
+ tx_desc->peerid = __cpu_to_le32(HTT_INVALID_PEERID);
+
+ res = ath10k_htc_send_hl(&htt->ar->htc, htt->eid, msdu);
+
+out:
return res;
}
@@ -1201,7 +1463,7 @@
case ATH10K_HW_TXRX_RAW:
case ATH10K_HW_TXRX_NATIVE_WIFI:
flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
- /* fall through */
+ fallthrough;
case ATH10K_HW_TXRX_ETHERNET:
if (ar->hw_params.continuous_frag_desc) {
ext_desc_t = htt->frag_desc.vaddr_desc_32;
@@ -1360,7 +1622,7 @@
u16 msdu_id, flags1 = 0;
u16 freq = 0;
dma_addr_t frags_paddr = 0;
- u32 txbuf_paddr;
+ dma_addr_t txbuf_paddr;
struct htt_msdu_ext_desc_64 *ext_desc = NULL;
struct htt_msdu_ext_desc_64 *ext_desc_t = NULL;
@@ -1403,7 +1665,7 @@
case ATH10K_HW_TXRX_RAW:
case ATH10K_HW_TXRX_NATIVE_WIFI:
flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT;
- /* fall through */
+ fallthrough;
case ATH10K_HW_TXRX_ETHERNET:
if (ar->hw_params.continuous_frag_desc) {
ext_desc_t = htt->frag_desc.vaddr_desc_64;
@@ -1556,6 +1818,7 @@
.htt_tx = ath10k_htt_tx_32,
.htt_alloc_txbuff = ath10k_htt_tx_alloc_cont_txbuf_32,
.htt_free_txbuff = ath10k_htt_tx_free_cont_txbuf_32,
+ .htt_h2t_aggr_cfg_msg = ath10k_htt_h2t_aggr_cfg_msg_32,
};
static const struct ath10k_htt_tx_ops htt_tx_ops_64 = {
@@ -1566,13 +1829,24 @@
.htt_tx = ath10k_htt_tx_64,
.htt_alloc_txbuff = ath10k_htt_tx_alloc_cont_txbuf_64,
.htt_free_txbuff = ath10k_htt_tx_free_cont_txbuf_64,
+ .htt_h2t_aggr_cfg_msg = ath10k_htt_h2t_aggr_cfg_msg_v2,
+};
+
+static const struct ath10k_htt_tx_ops htt_tx_ops_hl = {
+ .htt_send_rx_ring_cfg = ath10k_htt_send_rx_ring_cfg_hl,
+ .htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_32,
+ .htt_tx = ath10k_htt_tx_hl,
+ .htt_h2t_aggr_cfg_msg = ath10k_htt_h2t_aggr_cfg_msg_32,
+ .htt_flush_tx = ath10k_htt_flush_tx_queue,
};
void ath10k_htt_set_tx_ops(struct ath10k_htt *htt)
{
struct ath10k *ar = htt->ar;
- if (ar->hw_params.target_64bit)
+ if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL)
+ htt->tx_ops = &htt_tx_ops_hl;
+ else if (ar->hw_params.target_64bit)
htt->tx_ops = &htt_tx_ops_64;
else
htt->tx_ops = &htt_tx_ops_32;
--
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