bonding: add slave_foo printk macros

Where possible, we generally want both the bond master and the relevant slave
information in message output. Standardize the format using new slave_*
printk macros.

Suggested-by: Joe Perches <[e-mail]>
CC: Jay Vosburgh <[e-mail]>
CC: Veaceslav Falico <[e-mail]>
CC: Andy Gospodarek <[e-mail]>
CC: [e-mail]
Signed-off-by: Jarod Wilson <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

include/net/bonding.h

···
 #define __long_aligned __attribute__((aligned((sizeof(long)))))
 #endif
 
+#define slave_info(bond_dev, slave_dev, fmt, ...) \
+	netdev_info(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
+#define slave_warn(bond_dev, slave_dev, fmt, ...) \
+	netdev_warn(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
+#define slave_dbg(bond_dev, slave_dev, fmt, ...) \
+	netdev_dbg(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
+#define slave_err(bond_dev, slave_dev, fmt, ...) \
+	netdev_err(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
+
 #define BOND_MODE(bond) ((bond)->params.mode)
 
 /* slave list primitives */