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qcacmn: Define VENDOR_NLA_POLICY_MAC_ADDR for mac addresses

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Strict NLA validation is introduced from kernel version 4.20 where
NLA_UNSPEC usage is restricted. A new attibute type
NLA_POLICY_ETH_ADDR is introduced for MAC address.
Define a macro to use this if the kernel version is greater
than 4.19.
Also define NLA_EXACT_LEN as NLA_UNSPEC for kernels less
than 4.20.

Change-Id: I9d9bee7a12d84ca81b5777ccb417a33f08949203
CRs-Fixed: 2701357
This commit is contained in:
Srinivas Dasari
2020-06-03 10:58:37 +05:30
committed by nshrivas
parent 803403f264
commit 3e3a071188
1 changed files with 9 additions and 0 deletions
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9
os_if/linux/wlan_cfg80211.h
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@@ -70,6 +70,15 @@
#define VENDOR_NLA_POLICY_NESTED(__policy) {.type = NLA_NESTED}
#endif /*End of (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 2, 0) */
/* For kernel version <= 4.20, driver needs to provide policy */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0))
#define VENDOR_NLA_POLICY_MAC_ADDR NLA_POLICY_ETH_ADDR
#else
#define VENDOR_NLA_POLICY_MAC_ADDR \
{.type = NLA_UNSPEC, .len = QDF_MAC_ADDR_SIZE}
#define NLA_EXACT_LEN NLA_UNSPEC
#endif /*End of (LINUX_VERSION_CODE <= KERNEL_VERSION(4, 20, 0) */
#if defined(NBUF_MEMORY_DEBUG) && defined(NETLINK_BUF_TRACK)
#define wlan_cfg80211_vendor_free_skb(skb) \
qdf_nbuf_free(skb)