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can: isotp: add local echo tx processing and tx without FC

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commit 4b7fe92c06901f4563af0e36d25223a5ab343782 upstream
commit 9f39d36530e5678d092d53c5c2c60d82b4dcc169 upstream
commit 051737439eaee5bdd03d3c2ef5510d54a478fd05 upstream

Due to the existing patch order applied to isotp.c in the stable kernel the
original order of depending patches the three original patches
4b7fe92c0690 ("can: isotp: add local echo tx processing for consecutive frames")
9f39d36530e5 ("can: isotp: add support for transmission without flow control")
051737439eae ("can: isotp: fix race between isotp_sendsmg() and isotp_release()")
can not be split into different patches that can be applied in working steps
to the stable tree.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Hartkopp
2023-10-31 10:29:16 +01:00
committed by Greg Kroah-Hartman
parent 569c95b7ec
commit e4c4e0e1b2
2 changed files with 273 additions and 162 deletions
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25
include/uapi/linux/can/isotp.h
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@@ -124,18 +124,19 @@ struct can_isotp_ll_options {
/* flags for isotp behaviour */
#define CAN_ISOTP_LISTEN_MODE 0x001 /* listen only (do not send FC) */
#define CAN_ISOTP_EXTEND_ADDR 0x002 /* enable extended addressing */
#define CAN_ISOTP_TX_PADDING 0x004 /* enable CAN frame padding tx path */
#define CAN_ISOTP_RX_PADDING 0x008 /* enable CAN frame padding rx path */
#define CAN_ISOTP_CHK_PAD_LEN 0x010 /* check received CAN frame padding */
#define CAN_ISOTP_CHK_PAD_DATA 0x020 /* check received CAN frame padding */
#define CAN_ISOTP_HALF_DUPLEX 0x040 /* half duplex error state handling */
#define CAN_ISOTP_FORCE_TXSTMIN 0x080 /* ignore stmin from received FC */
#define CAN_ISOTP_FORCE_RXSTMIN 0x100 /* ignore CFs depending on rx stmin */
#define CAN_ISOTP_RX_EXT_ADDR 0x200 /* different rx extended addressing */
#define CAN_ISOTP_WAIT_TX_DONE 0x400 /* wait for tx completion */
#define CAN_ISOTP_SF_BROADCAST 0x800 /* 1-to-N functional addressing */
#define CAN_ISOTP_LISTEN_MODE 0x0001 /* listen only (do not send FC) */
#define CAN_ISOTP_EXTEND_ADDR 0x0002 /* enable extended addressing */
#define CAN_ISOTP_TX_PADDING 0x0004 /* enable CAN frame padding tx path */
#define CAN_ISOTP_RX_PADDING 0x0008 /* enable CAN frame padding rx path */
#define CAN_ISOTP_CHK_PAD_LEN 0x0010 /* check received CAN frame padding */
#define CAN_ISOTP_CHK_PAD_DATA 0x0020 /* check received CAN frame padding */
#define CAN_ISOTP_HALF_DUPLEX 0x0040 /* half duplex error state handling */
#define CAN_ISOTP_FORCE_TXSTMIN 0x0080 /* ignore stmin from received FC */
#define CAN_ISOTP_FORCE_RXSTMIN 0x0100 /* ignore CFs depending on rx stmin */
#define CAN_ISOTP_RX_EXT_ADDR 0x0200 /* different rx extended addressing */
#define CAN_ISOTP_WAIT_TX_DONE 0x0400 /* wait for tx completion */
#define CAN_ISOTP_SF_BROADCAST 0x0800 /* 1-to-N functional addressing */
#define CAN_ISOTP_CF_BROADCAST 0x1000 /* 1-to-N transmission w/o FC */
/* protocol machine default values */