Displaying 1 result from an estimated 1 matches for "can_mask".
2012 Jun 12
6
[RFC] net/sched/em_canid: Ematch rule to match CAN frames according to their CAN IDs
...of the sk_buff structure.
+ */
+static canid_t em_canid_get_id(struct sk_buff *skb)
+{
+ /* CAN ID is stored within the data field */
+ struct can_frame *cf = (struct can_frame *)skb->data;
+
+ return cf->can_id;
+}
+
+static void em_canid_sff_match_add(struct canid_match *cm, u32 can_id, u32 can_mask)
+{
+ int i;
+
+ /* Limit can_mask and can_id to SFF range to
+ protect against write after end of array */
+ can_mask &= CAN_SFF_MASK;
+ can_id &= can_mask;
+
+ /* single frame */
+ if (can_mask == CAN_SFF_MASK) {
+ set_bit(can_id, cm->match_sff);
+ return;
+ }
+
+ /* all frames */
+...