diff mbox series

[RFC,v2,41/96] cl8k: add mac_addr.h

Message ID 20220524113502.1094459-42-viktor.barna@celeno.com (mailing list archive)
State RFC
Delegated to: Kalle Valo
Headers show
Series wireless: cl8k driver for Celeno IEEE 802.11ax devices | expand

Commit Message

Viktor Barna May 24, 2022, 11:34 a.m. UTC 
From: Viktor Barna <viktor.barna@celeno.com>

(Part of the split. Please, take a look at the cover letter for more
details).

Signed-off-by: Viktor Barna <viktor.barna@celeno.com>
---
 drivers/net/wireless/celeno/cl8k/mac_addr.h | 61 +++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 drivers/net/wireless/celeno/cl8k/mac_addr.h
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Patch

diff --git a/drivers/net/wireless/celeno/cl8k/mac_addr.h b/drivers/net/wireless/celeno/cl8k/mac_addr.h
new file mode 100644
index 000000000000..3f916f2b7f7b
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/mac_addr.h
@@ -0,0 +1,61 @@ 
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+/* Copyright(c) 2019-2022, Celeno Communications Ltd. */
+
+#ifndef CL_MAC_ADDR_H
+#define CL_MAC_ADDR_H
+
+#include "hw.h"
+
+int cl_mac_addr_set(struct cl_hw *cl_hw);
+
+static inline void cl_mac_addr_copy(u8 *dest_addr, const u8 *src_addr)
+{
+	memcpy(dest_addr, src_addr, ETH_ALEN);
+}
+
+static inline bool cl_mac_addr_compare(const u8 *addr1, const u8 *addr2)
+{
+	return !memcmp(addr1, addr2, ETH_ALEN);
+}
+
+static inline bool cl_mac_addr_is_zero(const u8 *addr)
+{
+	const u8 addr_zero[ETH_ALEN] = {0};
+
+	return !memcmp(addr, addr_zero, ETH_ALEN);
+}
+
+static inline bool cl_mac_addr_is_broadcast(const u8 *addr)
+{
+	const u8 addr_bcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+
+	return !memcmp(addr, addr_bcast, ETH_ALEN);
+}
+
+static inline void cl_mac_addr_array_to_nxmac(u8 *array, u32 *low, u32 *high)
+{
+	/* Convert mac address (in a form of array) to a C nxmac form.
+	 * Input: array - MAC address
+	 * Output: low - array[0..3], high - array[4..5]
+	 */
+	u8 i;
+
+	for (i = 0; i < 4; i++)
+		*low |= (u32)(((u32)array[i]) << (i * 8));
+
+	for (i = 0; i < 2; i++)
+		*high |= (u32)(((u32)array[i + 4]) << (i * 8));
+}
+
+static inline u8 cl_mac_addr_find_idx(struct cl_hw *cl_hw, u8 *addr)
+{
+	u8 i;
+
+	for (i = 0; i < cl_hw->n_addresses; i++)
+		if (cl_mac_addr_compare(cl_hw->addresses[i].addr, addr))
+			return i;
+
+	return BSS_INVALID_IDX;
+}
+
+#endif /* CL_MAC_ADDR_H */