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/*
* 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,
};
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_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)
return status;
return ath10k_htt_send_rx_ring_cfg_ll(htt);
}
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