b112466b8d
According to new changes in kernel 5.2 version onwards, driver has to provide the policy for each NL command to be verified against while registering wiphy to the kernel. To enable support for this, define a new macro taking care of the version compatibility. Change-Id: I0bf7153d1889e5b31c07d6bf4c7a95f5e72dd93c CRs-Fixed: 2632019
214 lines
6.3 KiB
C
214 lines
6.3 KiB
C
/*
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* Copyright (c) 2016-2020 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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/**
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* DOC: declares driver functions interfacing with linux kernel
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*/
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#ifndef _WLAN_CFG80211_H_
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#define _WLAN_CFG80211_H_
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#include <linux/version.h>
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#include <linux/netdevice.h>
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#include <net/netlink.h>
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#include <net/cfg80211.h>
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#include <qca_vendor.h>
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#include <qdf_nbuf.h>
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#include "qal_devcfg.h"
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#define osif_alert(params...) \
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QDF_TRACE_FATAL(QDF_MODULE_ID_OS_IF, params)
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#define osif_err(params...) \
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QDF_TRACE_ERROR(QDF_MODULE_ID_OS_IF, params)
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#define osif_warn(params...) \
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QDF_TRACE_WARN(QDF_MODULE_ID_OS_IF, params)
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#define osif_notice(params...) \
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QDF_TRACE_INFO(QDF_MODULE_ID_OS_IF, params)
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#define osif_info(params...) \
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QDF_TRACE_INFO(QDF_MODULE_ID_OS_IF, params)
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#define osif_debug(params...) \
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QDF_TRACE_DEBUG(QDF_MODULE_ID_OS_IF, params)
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#define osif_rl_debug(params...) \
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QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_OS_IF, params)
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#define osif_nofl_alert(params...) \
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QDF_TRACE_FATAL_NO_FL(QDF_MODULE_ID_OS_IF, params)
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#define osif_nofl_err(params...) \
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QDF_TRACE_ERROR_NO_FL(QDF_MODULE_ID_OS_IF, params)
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#define osif_nofl_warn(params...) \
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QDF_TRACE_WARN_NO_FL(QDF_MODULE_ID_OS_IF, params)
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#define osif_nofl_info(params...) \
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QDF_TRACE_INFO_NO_FL(QDF_MODULE_ID_OS_IF, params)
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#define osif_nofl_debug(params...) \
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QDF_TRACE_DEBUG_NO_FL(QDF_MODULE_ID_OS_IF, params)
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/* For kernel version >= 5.2, driver needs to provide policy */
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0))
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#define vendor_command_policy(__policy, __maxattr) \
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.policy = __policy, \
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.maxattr = __maxattr
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#else
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#define vendor_command_policy(__policy, __maxattr)
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#endif /*End of (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0) */
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#if defined(NBUF_MEMORY_DEBUG) && defined(NETLINK_BUF_TRACK)
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#define wlan_cfg80211_vendor_free_skb(skb) \
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qdf_nbuf_free(skb)
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#define wlan_cfg80211_vendor_event(skb, gfp) \
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{ \
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qdf_nbuf_count_dec(skb); \
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qdf_net_buf_debug_release_skb(skb); \
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cfg80211_vendor_event(skb, gfp); \
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}
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#define wlan_cfg80211_vendor_cmd_reply(skb) \
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{ \
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qdf_nbuf_count_dec(skb); \
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qdf_net_buf_debug_release_skb(skb); \
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cfg80211_vendor_cmd_reply(skb); \
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}
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static inline QDF_STATUS wlan_cfg80211_qal_devcfg_send_response(qdf_nbuf_t skb)
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{
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qdf_nbuf_count_dec(skb);
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qdf_net_buf_debug_release_skb(skb);
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return qal_devcfg_send_response(skb);
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}
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static inline struct sk_buff *
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__cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int len,
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const char *func, uint32_t line)
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{
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struct sk_buff *skb;
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skb = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len);
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if (skb) {
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qdf_nbuf_count_inc(skb);
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qdf_net_buf_debug_acquire_skb(skb, func, line);
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}
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return skb;
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}
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#define wlan_cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len) \
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__cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len, __func__, __LINE__)
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static inline struct sk_buff *
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__cfg80211_vendor_event_alloc(struct wiphy *wiphy,
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struct wireless_dev *wdev,
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int approxlen,
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int event_idx,
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gfp_t gfp,
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const char *func,
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uint32_t line)
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{
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struct sk_buff *skb;
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skb = cfg80211_vendor_event_alloc(wiphy, wdev,
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approxlen,
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event_idx,
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gfp);
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if (skb) {
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qdf_nbuf_count_inc(skb);
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qdf_net_buf_debug_acquire_skb(skb, func, line);
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}
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return skb;
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}
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#define wlan_cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp) \
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__cfg80211_vendor_event_alloc(wiphy, wdev, len, \
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idx, gfp, \
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__func__, __LINE__)
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#else /* NBUF_MEMORY_DEBUG && NETLINK_BUF_TRACK */
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#define wlan_cfg80211_vendor_free_skb(skb) \
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kfree_skb(skb)
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#define wlan_cfg80211_vendor_event(skb, gfp) \
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cfg80211_vendor_event(skb, gfp)
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#define wlan_cfg80211_vendor_cmd_reply(skb) \
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cfg80211_vendor_cmd_reply(skb)
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#define wlan_cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len) \
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cfg80211_vendor_cmd_alloc_reply_skb(wiphy, len)
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#define wlan_cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp) \
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cfg80211_vendor_event_alloc(wiphy, wdev, len, idx, gfp)
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static inline QDF_STATUS wlan_cfg80211_qal_devcfg_send_response( qdf_nbuf_t skb)
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{
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return qal_devcfg_send_response(skb);
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}
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#endif /* NBUF_MEMORY_DEBUG && NETLINK_BUF_TRACK */
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#undef nla_parse
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#undef nla_parse_nested
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#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0)
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static inline int wlan_cfg80211_nla_parse(struct nlattr **tb,
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int maxtype,
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const struct nlattr *head,
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int len,
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const struct nla_policy *policy)
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{
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return nla_parse(tb, maxtype, head, len, policy);
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}
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static inline int
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wlan_cfg80211_nla_parse_nested(struct nlattr *tb[],
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int maxtype,
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const struct nlattr *nla,
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const struct nla_policy *policy)
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{
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return nla_parse_nested(tb, maxtype, nla, policy);
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}
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#else
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static inline int wlan_cfg80211_nla_parse(struct nlattr **tb,
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int maxtype,
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const struct nlattr *head,
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int len,
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const struct nla_policy *policy)
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{
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return nla_parse(tb, maxtype, head, len, policy, NULL);
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}
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static inline int
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wlan_cfg80211_nla_parse_nested(struct nlattr *tb[],
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int maxtype,
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const struct nlattr *nla,
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const struct nla_policy *policy)
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{
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return nla_parse_nested(tb, maxtype, nla, policy, NULL);
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}
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#endif
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#define nla_parse(...) (obsolete, use wlan_cfg80211_nla_parse)
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#define nla_parse_nested(...) (obsolete, use wlan_cfg80211_nla_parse_nested)
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 7, 0))
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static inline int
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wlan_cfg80211_nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
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{
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return nla_put_u64(skb, attrtype, value);
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}
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#else
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static inline int
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wlan_cfg80211_nla_put_u64(struct sk_buff *skb, int attrtype, u64 value)
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{
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return nla_put_u64_64bit(skb, attrtype, value, NL80211_ATTR_PAD);
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}
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#endif
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#endif
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