From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rostislav Lisovy Subject: [PATCH 1/2] can: Added constants containing length of CAN identifiers Date: Fri, 25 May 2012 11:12:36 +0200 Message-ID: <1337937157-7680-1-git-send-email-lisovy@gmail.com> Return-path: Sender: netdev-owner@vger.kernel.org To: netdev@vger.kernel.org Cc: linux-can@vger.kernel.org, pisa@cmp.felk.cvut.cz, sojkam1@fel.cvut.cz, oliver@hartkopp.net, Rostislav Lisovy List-Id: linux-can.vger.kernel.org The necessary information might be determined out of the CAN_*_MASK, however it is undesirable to misuse masks for such purpose. Signed-off-by: Rostislav Lisovy --- include/linux/can.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/can.h b/include/linux/can.h index 9a19bcb..08d1610 100644 --- a/include/linux/can.h +++ b/include/linux/can.h @@ -38,6 +38,9 @@ */ typedef __u32 canid_t; +#define CAN_SFF_ID_BITS 11 +#define CAN_EFF_ID_BITS 29 + /* * Controller Area Network Error Frame Mask structure * -- 1.7.9.5