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can: netlink: add can_bitrate_const_fill_info()

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Add can_bitrate_const_fill_info() to factorise the logic when filling
the bitrate constant information for Classical CAN and CAN FD. This
function will be reused later on for CAN XL.

Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Link: https://patch.msgid.link/20250923-canxl-netlink-prep-v4-16-e720d28f66fe@kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Vincent Mailhol 2025-09-23 15:58:41 +09:00 committed by Marc Kleine-Budde
parent aaeebdb7a7
commit d5ee934ee1
1 changed files with 15 additions and 10 deletions
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25
drivers/net/can/dev/netlink.c
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@ -576,6 +576,15 @@ static int can_bittiming_const_fill_info(struct sk_buff *skb,
sizeof(*bittiming_const), bittiming_const);
}
static int can_bitrate_const_fill_info(struct sk_buff *skb,
int ifla_can_bitrate_const,
const u32 *bitrate_const, unsigned int cnt)
{
return bitrate_const &&
nla_put(skb, ifla_can_bitrate_const,
sizeof(*bitrate_const) * cnt, bitrate_const);
}
static int can_tdc_fill_info(struct sk_buff *skb, const struct net_device *dev)
{
struct nlattr *nest;
@ -686,17 +695,13 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
priv->termination_const_cnt,
priv->termination_const))) ||
(priv->bitrate_const &&
nla_put(skb, IFLA_CAN_BITRATE_CONST,
sizeof(*priv->bitrate_const) *
priv->bitrate_const_cnt,
priv->bitrate_const)) ||
can_bitrate_const_fill_info(skb, IFLA_CAN_BITRATE_CONST,
priv->bitrate_const,
priv->bitrate_const_cnt) ||
(priv->fd.data_bitrate_const &&
nla_put(skb, IFLA_CAN_DATA_BITRATE_CONST,
sizeof(*priv->fd.data_bitrate_const) *
priv->fd.data_bitrate_const_cnt,
priv->fd.data_bitrate_const)) ||
can_bitrate_const_fill_info(skb, IFLA_CAN_DATA_BITRATE_CONST,
priv->fd.data_bitrate_const,
priv->fd.data_bitrate_const_cnt) ||
(nla_put(skb, IFLA_CAN_BITRATE_MAX,
sizeof(priv->bitrate_max),