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isotp: add tool support for ISO 15765-2:2015 with CAN FD

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Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
This commit is contained in:
Oliver Hartkopp
2014-11-16 22:24:04 +01:00
parent 61a9b8d98e
commit 8150e21a11
4 changed files with 90 additions and 16 deletions
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include/linux/can/isotp.h
+25 -2
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@@ -66,6 +66,8 @@
/* ignore received CF frames which */
/* timestamps differ less than val */
#define CAN_ISOTP_LL_OPTS 5 /* pass struct can_isotp_ll_options */
struct can_isotp_options {
__u32 flags; /* set flags for isotp behaviour. */
@@ -103,6 +105,24 @@ struct can_isotp_fc_options {
/* __u8 value : 0 = omit FC N_PDU WT */
};
struct can_isotp_ll_options {
__u8 mtu; /* generated & accepted CAN frame type */
/* __u8 value : */
/* CAN_MTU (16) -> standard CAN 2.0 */
/* CANFD_MTU (72) -> CAN FD frame */
__u8 tx_dl; /* tx link layer data length in bytes */
/* (configured maximum payload length) */
/* __u8 value : 8,12,16,20,24,32,48,64 */
/* => rx path supports all LL_DL values */
__u8 tx_flags; /* set into struct canfd_frame.flags */
/* at frame creation: e.g. CANFD_BRS */
/* Obsolete when the BRS flag is fixed */
/* by the CAN netdriver configuration */
};
/* flags for isotp behaviour */
@@ -122,13 +142,16 @@ struct can_isotp_fc_options {
#define CAN_ISOTP_DEFAULT_FLAGS 0
#define CAN_ISOTP_DEFAULT_EXT_ADDRESS 0x00
#define CAN_ISOTP_DEFAULT_RXPAD_CONTENT 0x00
#define CAN_ISOTP_DEFAULT_TXPAD_CONTENT 0x00
#define CAN_ISOTP_DEFAULT_PAD_CONTENT 0xCC /* prevent bit-stuffing */
#define CAN_ISOTP_DEFAULT_FRAME_TXTIME 0
#define CAN_ISOTP_DEFAULT_RECV_BS 0
#define CAN_ISOTP_DEFAULT_RECV_STMIN 0x00
#define CAN_ISOTP_DEFAULT_RECV_WFTMAX 0
#define CAN_ISOTP_DEFAULT_LL_MTU CAN_MTU
#define CAN_ISOTP_DEFAULT_LL_TX_DL CAN_MAX_DLEN
#define CAN_ISOTP_DEFAULT_LL_TX_FLAGS 0
/*
* Remark on CAN_ISOTP_DEFAULT_RECV_* values:
*