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authorMark Brown <broonie@kernel.org>2022-10-19 18:37:01 +0300
committerMark Brown <broonie@kernel.org>2022-10-19 18:37:01 +0300
commit008f05a72d32dcc14038801649ec67af765fcc3c (patch)
treec958a2ab7039ea3e03621b1cbae4fcad41ee947c /include/linux/etherdevice.h
parent32def55d237e8507d4eb8442628fc2e59a899ea0 (diff)
parentdf496157a5afa1b6d1f4c46ad6549c2c346d1e59 (diff)
downloadlinux-008f05a72d32dcc14038801649ec67af765fcc3c.tar.xz
ASoC: jz4752b: Capture fixes
Merge series from Siarhei Volkau <lis8215@gmail.com>: The patchset fixes: - Line In path stays powered off during capturing or bypass to mixer. - incorrectly represented dB values in alsamixer, et al. - incorrect represented Capture input selector in alsamixer in Playback tab. - wrong control selected as Capture Master
Diffstat (limited to 'include/linux/etherdevice.h')
-rw-r--r--include/linux/etherdevice.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 92b10e67d5f8..a541f0c4f146 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -428,6 +428,28 @@ static inline bool ether_addr_equal_masked(const u8 *addr1, const u8 *addr2,
return true;
}
+static inline bool ether_addr_is_ipv4_mcast(const u8 *addr)
+{
+ u8 base[ETH_ALEN] = { 0x01, 0x00, 0x5e, 0x00, 0x00, 0x00 };
+ u8 mask[ETH_ALEN] = { 0xff, 0xff, 0xff, 0x80, 0x00, 0x00 };
+
+ return ether_addr_equal_masked(addr, base, mask);
+}
+
+static inline bool ether_addr_is_ipv6_mcast(const u8 *addr)
+{
+ u8 base[ETH_ALEN] = { 0x33, 0x33, 0x00, 0x00, 0x00, 0x00 };
+ u8 mask[ETH_ALEN] = { 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 };
+
+ return ether_addr_equal_masked(addr, base, mask);
+}
+
+static inline bool ether_addr_is_ip_mcast(const u8 *addr)
+{
+ return ether_addr_is_ipv4_mcast(addr) ||
+ ether_addr_is_ipv6_mcast(addr);
+}
+
/**
* ether_addr_to_u64 - Convert an Ethernet address into a u64 value.
* @addr: Pointer to a six-byte array containing the Ethernet address