Messages in this thread | | | Subject | Re: [PATCHv2 1/2] Print: Add print format for 8-byte EUI-64 type | From | Joe Perches <> | Date | Wed, 09 Dec 2015 11:06:31 -0800 |
| |
On Wed, 2015-12-09 at 11:42 -0700, Keith Busch wrote: > MAC addresses may be formed using rules based on EUI-64, which is 2 bytes > longer than a typical 6-byte MAC. This patch adds a long specifier to > the %pM format to support the extended unique identifier. [] > diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt [] > @@ -136,14 +136,21 @@ Raw buffer as a hex string: > MAC/FDDI addresses: > > %pM 00:01:02:03:04:05 > + %pMl 00:01:02:03:04:05:06:07 > %pMR 05:04:03:02:01:00 > + %pMRl 07:06:05:04:03:02:01:00 > %pMF 00-01-02-03-04-05 > + %pMFl 00-01-02-03-04-05-06-07 > %pm 000102030405 > + %pml 0001020304050607 > %pmR 050403020100 > + %pmRl 0706050403020100 [] > diff --git a/lib/vsprintf.c b/lib/vsprintf.c [] > @@ -908,14 +908,21 @@ char *mac_address_string(char *buf, char *end, u8 *addr, > separator = ':'; > break; > } > + switch (fmt[2]) { > + case 'l': > + bytes = 8; > + break; > + default: > + break; > + }
This doesn't work for formats without pmR or pmF. like "%pml" or "%pMl" as fmt[2] can be anything.
| |