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a68eda2036
linux/drivers/net/can
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Marc Kleine-Budde a68eda2036 can: mcp251xfd: mcp251xfd_tx_obj_from_skb(): don't copy data for RTR CAN frames in TX-path 
In Classical CAN there are RTR frames. RTR frames have the RTR bit set, may
have a dlc != 0, but contain no data.

This patch optimizes the TX-path to not copy any data for RTR frames.

Link: https://lore.kernel.org/r/20210114153448.1506901-5-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2021-01-27 10:01:47 +01:00
..
c_can can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
cc770 can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
dev can: length: can_fd_len2dlc(): make legnth calculation readable again 2021-01-27 10:01:46 +01:00
ifi_canfd can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
m_can can: tcan4x5x: remove __packed attribute from struct tcan4x5x_map_buf 2021-01-14 08:43:44 +01:00
mscan can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
peak_canfd can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
rcar can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
sja1000 can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
softing can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
spi can: mcp251xfd: mcp251xfd_tx_obj_from_skb(): don't copy data for RTR CAN frames in TX-path 2021-01-27 10:01:47 +01:00
usb can: mcba_usb: remove h from printk format specifier 2021-01-27 10:01:46 +01:00
at91_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
flexcan.c can: flexcan: fix typos 2021-01-27 10:01:46 +01:00
grcan.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
janz-ican3.c can: replace can_dlc as variable/element for payload length 2020-11-20 12:04:12 +01:00
Kconfig can: kvaser_pciefd: select CONFIG_CRC32 2021-01-05 15:50:36 -08:00
kvaser_pciefd.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
led.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile can: dev: move driver related infrastructure into separate subdir 2021-01-13 09:42:58 +01:00
pch_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
slcan.c can: replace can_dlc as variable/element for payload length 2020-11-20 12:04:12 +01:00
sun4i_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
ti_hecc.c can: dev: can_rx_offload_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00
vcan.c can: make use of preallocated can_ml_priv for per device struct can_dev_rcv_lists 2019-09-04 13:29:15 +02:00
vxcan.c can: vxcan: vxcan_xmit: fix use after free bug 2021-01-20 13:33:12 +01:00
xilinx_can.c can: dev: can_get_echo_skb(): extend to return can frame length 2021-01-14 08:43:43 +01:00