mirror of https://github.com/hak5/openwrt-owl.git
44 lines
1.3 KiB
Diff
44 lines
1.3 KiB
Diff
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--- a/net/wireless/sysfs.c
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+++ b/net/wireless/sysfs.c
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@@ -24,18 +24,35 @@ static inline struct cfg80211_registered
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return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
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}
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-#define SHOW_FMT(name, fmt, member) \
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+#define SHOW_FMT(name, fmt, member, mode) \
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static ssize_t name ## _show(struct device *dev, \
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struct device_attribute *attr, \
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char *buf) \
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{ \
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return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \
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} \
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-static DEVICE_ATTR_RO(name)
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+static DEVICE_ATTR_##mode(name)
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-SHOW_FMT(index, "%d", wiphy_idx);
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-SHOW_FMT(macaddress, "%pM", wiphy.perm_addr);
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-SHOW_FMT(address_mask, "%pM", wiphy.addr_mask);
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+static ssize_t macaddress_store(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t len)
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+{
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+ u8 mac[ETH_ALEN];
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+
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+ if (!mac_pton(buf, mac))
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+ return -EINVAL;
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+
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+ if (buf[3 * ETH_ALEN - 1] && buf[3 * ETH_ALEN - 1] != '\n')
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+ return -EINVAL;
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+
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+ memcpy(dev_to_rdev(dev)->wiphy.perm_addr, mac, ETH_ALEN);
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+
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+ return strnlen(buf, len);
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+}
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+
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+SHOW_FMT(index, "%d", wiphy_idx, RO);
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+SHOW_FMT(macaddress, "%pM", wiphy.perm_addr, RW);
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+SHOW_FMT(address_mask, "%pM", wiphy.addr_mask, RO);
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static ssize_t name_show(struct device *dev,
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struct device_attribute *attr,
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