File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/drivers/net/wireless/ath/ath10k/htt.c b/drivers/net/wireless/ath/ath10k/htt.c
new file mode 100644
index 0000000..3e6ba63
--- /dev/null
+++ b/drivers/net/wireless/ath/ath10k/htt.c
@@ -0,0 +1,276 @@
+/*
+ * Copyright (c) 2005-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2013 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/slab.h>
+#include <linux/if_ether.h>
+
+#include "htt.h"
+#include "core.h"
+#include "debug.h"
+
+static const enum htt_t2h_msg_type htt_main_t2h_msg_types[] = {
+ [HTT_MAIN_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+ [HTT_MAIN_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+ [HTT_MAIN_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+ [HTT_MAIN_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+ [HTT_MAIN_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_TX_INSPECT_IND] =
+ HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+ HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+ [HTT_MAIN_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] =
+ HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] =
+ HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+ [HTT_MAIN_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+};
+
+static const enum htt_t2h_msg_type htt_10x_t2h_msg_types[] = {
+ [HTT_10X_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+ [HTT_10X_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+ [HTT_10X_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+ [HTT_10X_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+ [HTT_10X_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+ [HTT_10X_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+ [HTT_10X_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+ [HTT_10X_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+ [HTT_10X_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+ [HTT_10X_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+ [HTT_10X_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+ [HTT_10X_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+ [HTT_10X_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+ [HTT_10X_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+ [HTT_10X_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+ [HTT_10X_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+ [HTT_10X_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF,
+ [HTT_10X_T2H_MSG_TYPE_STATS_NOUPLOAD] = HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
+ [HTT_10X_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+ HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+};
+
+static const enum htt_t2h_msg_type htt_tlv_t2h_msg_types[] = {
+ [HTT_TLV_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+ [HTT_TLV_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+ [HTT_TLV_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+ [HTT_TLV_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+ [HTT_TLV_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+ [HTT_TLV_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+ [HTT_TLV_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+ [HTT_TLV_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+ [HTT_TLV_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+ [HTT_TLV_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+ [HTT_TLV_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+ [HTT_TLV_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+ [HTT_TLV_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+ [HTT_TLV_T2H_MSG_TYPE_TX_INSPECT_IND] = HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+ [HTT_TLV_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+ HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+ [HTT_TLV_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] =
+ HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+ [HTT_TLV_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND,
+ [HTT_TLV_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] =
+ HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+ [HTT_TLV_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND] =
+ HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND,
+ [HTT_TLV_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE] =
+ HTT_T2H_MSG_TYPE_WDI_IPA_OP_RESPONSE,
+ [HTT_TLV_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+ [HTT_TLV_T2H_MSG_TYPE_RX_OFLD_PKT_ERR] =
+ HTT_T2H_MSG_TYPE_RX_OFLD_PKT_ERR,
+ [HTT_TLV_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+};
+
+static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = {
+ [HTT_10_4_T2H_MSG_TYPE_VERSION_CONF] = HTT_T2H_MSG_TYPE_VERSION_CONF,
+ [HTT_10_4_T2H_MSG_TYPE_RX_IND] = HTT_T2H_MSG_TYPE_RX_IND,
+ [HTT_10_4_T2H_MSG_TYPE_RX_FLUSH] = HTT_T2H_MSG_TYPE_RX_FLUSH,
+ [HTT_10_4_T2H_MSG_TYPE_PEER_MAP] = HTT_T2H_MSG_TYPE_PEER_MAP,
+ [HTT_10_4_T2H_MSG_TYPE_PEER_UNMAP] = HTT_T2H_MSG_TYPE_PEER_UNMAP,
+ [HTT_10_4_T2H_MSG_TYPE_RX_ADDBA] = HTT_T2H_MSG_TYPE_RX_ADDBA,
+ [HTT_10_4_T2H_MSG_TYPE_RX_DELBA] = HTT_T2H_MSG_TYPE_RX_DELBA,
+ [HTT_10_4_T2H_MSG_TYPE_TX_COMPL_IND] = HTT_T2H_MSG_TYPE_TX_COMPL_IND,
+ [HTT_10_4_T2H_MSG_TYPE_PKTLOG] = HTT_T2H_MSG_TYPE_PKTLOG,
+ [HTT_10_4_T2H_MSG_TYPE_STATS_CONF] = HTT_T2H_MSG_TYPE_STATS_CONF,
+ [HTT_10_4_T2H_MSG_TYPE_RX_FRAG_IND] = HTT_T2H_MSG_TYPE_RX_FRAG_IND,
+ [HTT_10_4_T2H_MSG_TYPE_SEC_IND] = HTT_T2H_MSG_TYPE_SEC_IND,
+ [HTT_10_4_T2H_MSG_TYPE_RC_UPDATE_IND] = HTT_T2H_MSG_TYPE_RC_UPDATE_IND,
+ [HTT_10_4_T2H_MSG_TYPE_TX_INSPECT_IND] =
+ HTT_T2H_MSG_TYPE_TX_INSPECT_IND,
+ [HTT_10_4_T2H_MSG_TYPE_MGMT_TX_COMPL_IND] =
+ HTT_T2H_MSG_TYPE_MGMT_TX_COMPLETION,
+ [HTT_10_4_T2H_MSG_TYPE_CHAN_CHANGE] = HTT_T2H_MSG_TYPE_CHAN_CHANGE,
+ [HTT_10_4_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND] =
+ HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND,
+ [HTT_10_4_T2H_MSG_TYPE_RX_PN_IND] = HTT_T2H_MSG_TYPE_RX_PN_IND,
+ [HTT_10_4_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND] =
+ HTT_T2H_MSG_TYPE_RX_OFFLOAD_DELIVER_IND,
+ [HTT_10_4_T2H_MSG_TYPE_TEST] = HTT_T2H_MSG_TYPE_TEST,
+ [HTT_10_4_T2H_MSG_TYPE_EN_STATS] = HTT_T2H_MSG_TYPE_EN_STATS,
+ [HTT_10_4_T2H_MSG_TYPE_AGGR_CONF] = HTT_T2H_MSG_TYPE_AGGR_CONF,
+ [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_IND] =
+ HTT_T2H_MSG_TYPE_TX_FETCH_IND,
+ [HTT_10_4_T2H_MSG_TYPE_TX_FETCH_CONF] =
+ HTT_T2H_MSG_TYPE_TX_FETCH_CONF,
+ [HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD] =
+ HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
+ [HTT_10_4_T2H_MSG_TYPE_TX_LOW_LATENCY_IND] =
+ HTT_T2H_MSG_TYPE_TX_LOW_LATENCY_IND,
+};
+
+int ath10k_htt_connect(struct ath10k_htt *htt)
+{
+ struct ath10k_htc_svc_conn_req conn_req;
+ struct ath10k_htc_svc_conn_resp conn_resp;
+ int status;
+
+ memset(&conn_req, 0, sizeof(conn_req));
+ memset(&conn_resp, 0, sizeof(conn_resp));
+
+ conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete;
+ conn_req.ep_ops.ep_rx_complete = ath10k_htt_t2h_msg_handler;
+
+ /* connect to control service */
+ conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG;
+
+ status = ath10k_htc_connect_service(&htt->ar->htc, &conn_req,
+ &conn_resp);
+
+ if (status)
+ return status;
+
+ htt->eid = conn_resp.eid;
+
+ return 0;
+}
+
+int ath10k_htt_init(struct ath10k *ar)
+{
+ struct ath10k_htt *htt = &ar->htt;
+
+ htt->ar = ar;
+
+ /*
+ * Prefetch enough data to satisfy target
+ * classification engine.
+ * This is for LL chips. HL chips will probably
+ * transfer all frame in the tx fragment.
+ */
+ htt->prefetch_len =
+ 36 + /* 802.11 + qos + ht */
+ 4 + /* 802.1q */
+ 8 + /* llc snap */
+ 2; /* ip4 dscp or ip6 priority */
+
+ switch (ar->htt.op_version) {
+ case ATH10K_FW_HTT_OP_VERSION_10_4:
+ ar->htt.t2h_msg_types = htt_10_4_t2h_msg_types;
+ ar->htt.t2h_msg_types_max = HTT_10_4_T2H_NUM_MSGS;
+ break;
+ case ATH10K_FW_HTT_OP_VERSION_10_1:
+ ar->htt.t2h_msg_types = htt_10x_t2h_msg_types;
+ ar->htt.t2h_msg_types_max = HTT_10X_T2H_NUM_MSGS;
+ break;
+ case ATH10K_FW_HTT_OP_VERSION_TLV:
+ ar->htt.t2h_msg_types = htt_tlv_t2h_msg_types;
+ ar->htt.t2h_msg_types_max = HTT_TLV_T2H_NUM_MSGS;
+ break;
+ case ATH10K_FW_HTT_OP_VERSION_MAIN:
+ ar->htt.t2h_msg_types = htt_main_t2h_msg_types;
+ ar->htt.t2h_msg_types_max = HTT_MAIN_T2H_NUM_MSGS;
+ break;
+ case ATH10K_FW_HTT_OP_VERSION_MAX:
+ case ATH10K_FW_HTT_OP_VERSION_UNSET:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+#define HTT_TARGET_VERSION_TIMEOUT_HZ (3*HZ)
+
+static int ath10k_htt_verify_version(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "htt target version %d.%d\n",
+ htt->target_version_major, htt->target_version_minor);
+
+ if (htt->target_version_major != 2 &&
+ htt->target_version_major != 3) {
+ ath10k_err(ar, "unsupported htt major version %d. supported versions are 2 and 3\n",
+ htt->target_version_major);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+int ath10k_htt_setup(struct ath10k_htt *htt)
+{
+ struct ath10k *ar = htt->ar;
+ int status;
+
+ init_completion(&htt->target_version_received);
+
+ status = ath10k_htt_h2t_ver_req_msg(htt);
+ if (status)
+ return status;
+
+ status = wait_for_completion_timeout(&htt->target_version_received,
+ HTT_TARGET_VERSION_TIMEOUT_HZ);
+ if (status == 0) {
+ ath10k_warn(ar, "htt version request timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ status = ath10k_htt_verify_version(htt);
+ if (status) {
+ ath10k_warn(ar, "failed to verify htt version: %d\n",
+ status);
+ return status;
+ }
+
+ status = ath10k_htt_send_frag_desc_bank_cfg(htt);
+ if (status)
+ return status;
+
+ status = ath10k_htt_send_rx_ring_cfg_ll(htt);
+ if (status) {
+ ath10k_warn(ar, "failed to setup rx ring: %d\n",
+ status);
+ return status;
+ }
+
+ status = ath10k_htt_h2t_aggr_cfg_msg(htt,
+ htt->max_num_ampdu,
+ htt->max_num_amsdu);
+ if (status) {
+ ath10k_warn(ar, "failed to setup amsdu/ampdu limit: %d\n",
+ status);
+ return status;
+ }
+
+ return 0;
+}