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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7b69549a0f
These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/*
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* Copyright (c) 2010-2011 Atheros Communications Inc.
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* Copyright (c) 2011 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "testmode.h"
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#include "debug.h"
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#include <net/netlink.h>
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enum ath6kl_tm_attr {
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__ATH6KL_TM_ATTR_INVALID = 0,
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ATH6KL_TM_ATTR_CMD = 1,
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ATH6KL_TM_ATTR_DATA = 2,
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/* keep last */
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__ATH6KL_TM_ATTR_AFTER_LAST,
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ATH6KL_TM_ATTR_MAX = __ATH6KL_TM_ATTR_AFTER_LAST - 1,
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};
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enum ath6kl_tm_cmd {
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ATH6KL_TM_CMD_TCMD = 0,
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ATH6KL_TM_CMD_RX_REPORT = 1, /* not used anymore */
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};
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#define ATH6KL_TM_DATA_MAX_LEN 5000
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static const struct nla_policy ath6kl_tm_policy[ATH6KL_TM_ATTR_MAX + 1] = {
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[ATH6KL_TM_ATTR_CMD] = { .type = NLA_U32 },
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[ATH6KL_TM_ATTR_DATA] = { .type = NLA_BINARY,
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.len = ATH6KL_TM_DATA_MAX_LEN },
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};
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void ath6kl_tm_rx_event(struct ath6kl *ar, void *buf, size_t buf_len)
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{
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struct sk_buff *skb;
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if (!buf || buf_len == 0)
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return;
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skb = cfg80211_testmode_alloc_event_skb(ar->wiphy, buf_len, GFP_KERNEL);
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if (!skb) {
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ath6kl_warn("failed to allocate testmode rx skb!\n");
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return;
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}
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if (nla_put_u32(skb, ATH6KL_TM_ATTR_CMD, ATH6KL_TM_CMD_TCMD) ||
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nla_put(skb, ATH6KL_TM_ATTR_DATA, buf_len, buf))
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goto nla_put_failure;
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cfg80211_testmode_event(skb, GFP_KERNEL);
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return;
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nla_put_failure:
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kfree_skb(skb);
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ath6kl_warn("nla_put failed on testmode rx skb!\n");
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}
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int ath6kl_tm_cmd(struct wiphy *wiphy, void *data, int len)
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{
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struct ath6kl *ar = wiphy_priv(wiphy);
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struct nlattr *tb[ATH6KL_TM_ATTR_MAX + 1];
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int err, buf_len;
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void *buf;
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err = nla_parse(tb, ATH6KL_TM_ATTR_MAX, data, len,
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ath6kl_tm_policy);
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if (err)
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return err;
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if (!tb[ATH6KL_TM_ATTR_CMD])
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return -EINVAL;
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switch (nla_get_u32(tb[ATH6KL_TM_ATTR_CMD])) {
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case ATH6KL_TM_CMD_TCMD:
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if (!tb[ATH6KL_TM_ATTR_DATA])
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return -EINVAL;
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buf = nla_data(tb[ATH6KL_TM_ATTR_DATA]);
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buf_len = nla_len(tb[ATH6KL_TM_ATTR_DATA]);
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ath6kl_wmi_test_cmd(ar->wmi, buf, buf_len);
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return 0;
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break;
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case ATH6KL_TM_CMD_RX_REPORT:
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default:
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return -EOPNOTSUPP;
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}
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}
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