From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruno Randolf Subject: [PATCH] add macro for printing mac addresses Date: Fri, 15 Feb 2008 19:48:05 +0900 Message-ID: <20080215104804.9870.15722.stgit@one> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Cc: jgarzik-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org, linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org To: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: Sender: linux-wireless-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org is there any chance to include a macro like this for printing mac addresses? its advantage is that it can be used without the need to declare buffers for print_mac(), for example: printk("mac address: " MAC_FMT, MAC_ADDR(addr)); Signed-off-by: Bruno Randolf --- include/linux/if_ether.h | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 5f92977..b9a6fb2 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -127,6 +127,15 @@ extern struct ctl_table ether_table[]; * Display a 6 byte device address (MAC) in a readable format. */ #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" + +#define MAC_ADDR(addr) \ + ((unsigned char *)(addr))[0], \ + ((unsigned char *)(addr))[1], \ + ((unsigned char *)(addr))[2], \ + ((unsigned char *)(addr))[3], \ + ((unsigned char *)(addr))[4], \ + ((unsigned char *)(addr))[5] + extern char *print_mac(char *buf, const u8 *addr); #define DECLARE_MAC_BUF(var) char var[18] __maybe_unused