[PATCH net-next 43/48] can: netlink: add can_bittiming_const_fill_info()
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2025-09-24 08:21:52
Also in:
linux-can
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
From: Vincent Mailhol <mailhol@kernel.org> Add function can_bittiming_const_fill_info() to factorise the logic when filling the bittiming 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-v4-15-e720d28f66fe@kernel.org Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> --- drivers/net/can/dev/netlink.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c
index bedd2611d358..fa922a61f75a 100644
--- a/drivers/net/can/dev/netlink.c
+++ b/drivers/net/can/dev/netlink.c@@ -567,6 +567,15 @@ static int can_bittiming_fill_info(struct sk_buff *skb, int ifla_can_bittiming, nla_put(skb, ifla_can_bittiming, sizeof(*bittiming), bittiming); } +static int can_bittiming_const_fill_info(struct sk_buff *skb, + int ifla_can_bittiming_const, + const struct can_bittiming_const *bittiming_const) +{ + return bittiming_const && + nla_put(skb, ifla_can_bittiming_const, + sizeof(*bittiming_const), bittiming_const); +} + static int can_tdc_fill_info(struct sk_buff *skb, const struct net_device *dev) { struct nlattr *nest;
@@ -652,9 +661,8 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev) if (can_bittiming_fill_info(skb, IFLA_CAN_BITTIMING, &priv->bittiming) || - (priv->bittiming_const && - nla_put(skb, IFLA_CAN_BITTIMING_CONST, - sizeof(*priv->bittiming_const), priv->bittiming_const)) || + can_bittiming_const_fill_info(skb, IFLA_CAN_BITTIMING_CONST, + priv->bittiming_const) || nla_put(skb, IFLA_CAN_CLOCK, sizeof(priv->clock), &priv->clock) || nla_put_u32(skb, IFLA_CAN_STATE, state) ||
@@ -668,10 +676,8 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev) can_bittiming_fill_info(skb, IFLA_CAN_DATA_BITTIMING, &priv->fd.data_bittiming) || - (priv->fd.data_bittiming_const && - nla_put(skb, IFLA_CAN_DATA_BITTIMING_CONST, - sizeof(*priv->fd.data_bittiming_const), - priv->fd.data_bittiming_const)) || + can_bittiming_const_fill_info(skb, IFLA_CAN_DATA_BITTIMING_CONST, + priv->fd.data_bittiming_const) || (priv->termination_const && (nla_put_u16(skb, IFLA_CAN_TERMINATION, priv->termination) ||
--
2.51.0