[PATCH net-next 3/7] devlink: Move devlink dev eswitch code to dev

From: Moshe Shemesh
Date: Thu Feb 02 2023 - 09:48:37 EST


Move devlink dev eswitch callbacks and related code from leftover.c to
file dev.c. No functional change in this patch.

Signed-off-by: Moshe Shemesh <moshe@xxxxxxxxxx>
---
net/devlink/dev.c | 120 ++++++++++++++++++++++++++++++++++
net/devlink/devl_internal.h | 4 ++
net/devlink/leftover.c | 127 +-----------------------------------
3 files changed, 126 insertions(+), 125 deletions(-)

diff --git a/net/devlink/dev.c b/net/devlink/dev.c
index 0d6c14b89d03..4de3dcc42022 100644
--- a/net/devlink/dev.c
+++ b/net/devlink/dev.c
@@ -514,3 +514,123 @@ bool devlink_reload_actions_valid(const struct devlink_ops *ops)
}
return true;
}
+
+static int devlink_nl_eswitch_fill(struct sk_buff *msg, struct devlink *devlink,
+ enum devlink_command cmd, u32 portid,
+ u32 seq, int flags)
+{
+ const struct devlink_ops *ops = devlink->ops;
+ enum devlink_eswitch_encap_mode encap_mode;
+ u8 inline_mode;
+ void *hdr;
+ int err = 0;
+ u16 mode;
+
+ hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
+ if (!hdr)
+ return -EMSGSIZE;
+
+ err = devlink_nl_put_handle(msg, devlink);
+ if (err)
+ goto nla_put_failure;
+
+ if (ops->eswitch_mode_get) {
+ err = ops->eswitch_mode_get(devlink, &mode);
+ if (err)
+ goto nla_put_failure;
+ err = nla_put_u16(msg, DEVLINK_ATTR_ESWITCH_MODE, mode);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ if (ops->eswitch_inline_mode_get) {
+ err = ops->eswitch_inline_mode_get(devlink, &inline_mode);
+ if (err)
+ goto nla_put_failure;
+ err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
+ inline_mode);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ if (ops->eswitch_encap_mode_get) {
+ err = ops->eswitch_encap_mode_get(devlink, &encap_mode);
+ if (err)
+ goto nla_put_failure;
+ err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, encap_mode);
+ if (err)
+ goto nla_put_failure;
+ }
+
+ genlmsg_end(msg, hdr);
+ return 0;
+
+nla_put_failure:
+ genlmsg_cancel(msg, hdr);
+ return err;
+}
+
+int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ struct sk_buff *msg;
+ int err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ err = devlink_nl_eswitch_fill(msg, devlink, DEVLINK_CMD_ESWITCH_GET,
+ info->snd_portid, info->snd_seq, 0);
+
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+
+ return genlmsg_reply(msg, info);
+}
+
+int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info)
+{
+ struct devlink *devlink = info->user_ptr[0];
+ const struct devlink_ops *ops = devlink->ops;
+ enum devlink_eswitch_encap_mode encap_mode;
+ u8 inline_mode;
+ int err = 0;
+ u16 mode;
+
+ if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) {
+ if (!ops->eswitch_mode_set)
+ return -EOPNOTSUPP;
+ mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]);
+ err = devlink_rate_nodes_check(devlink, mode, info->extack);
+ if (err)
+ return err;
+ err = ops->eswitch_mode_set(devlink, mode, info->extack);
+ if (err)
+ return err;
+ }
+
+ if (info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) {
+ if (!ops->eswitch_inline_mode_set)
+ return -EOPNOTSUPP;
+ inline_mode = nla_get_u8(info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]);
+ err = ops->eswitch_inline_mode_set(devlink, inline_mode,
+ info->extack);
+ if (err)
+ return err;
+ }
+
+ if (info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
+ if (!ops->eswitch_encap_mode_set)
+ return -EOPNOTSUPP;
+ encap_mode = nla_get_u8(info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
+ err = ops->eswitch_encap_mode_set(devlink, encap_mode,
+ info->extack);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h
index cb4a89ac42ec..79165050feea 100644
--- a/net/devlink/devl_internal.h
+++ b/net/devlink/devl_internal.h
@@ -202,6 +202,8 @@ struct devlink_linecard *
devlink_linecard_get_from_info(struct devlink *devlink, struct genl_info *info);

/* Rates */
+int devlink_rate_nodes_check(struct devlink *devlink, u16 mode,
+ struct netlink_ext_ack *extack);
struct devlink_rate *
devlink_rate_get_from_info(struct devlink *devlink, struct genl_info *info);
struct devlink_rate *
@@ -210,3 +212,5 @@ devlink_rate_node_get_from_info(struct devlink *devlink,
/* Devlink nl cmds */
int devlink_nl_cmd_get_doit(struct sk_buff *skb, struct genl_info *info);
int devlink_nl_cmd_reload(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb, struct genl_info *info);
+int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb, struct genl_info *info);
diff --git a/net/devlink/leftover.c b/net/devlink/leftover.c
index 703a03d65df7..1fa58e69a7a2 100644
--- a/net/devlink/leftover.c
+++ b/net/devlink/leftover.c
@@ -2843,85 +2843,8 @@ static int devlink_nl_cmd_sb_occ_max_clear_doit(struct sk_buff *skb,
return -EOPNOTSUPP;
}

-static int devlink_nl_eswitch_fill(struct sk_buff *msg, struct devlink *devlink,
- enum devlink_command cmd, u32 portid,
- u32 seq, int flags)
-{
- const struct devlink_ops *ops = devlink->ops;
- enum devlink_eswitch_encap_mode encap_mode;
- u8 inline_mode;
- void *hdr;
- int err = 0;
- u16 mode;
-
- hdr = genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd);
- if (!hdr)
- return -EMSGSIZE;
-
- err = devlink_nl_put_handle(msg, devlink);
- if (err)
- goto nla_put_failure;
-
- if (ops->eswitch_mode_get) {
- err = ops->eswitch_mode_get(devlink, &mode);
- if (err)
- goto nla_put_failure;
- err = nla_put_u16(msg, DEVLINK_ATTR_ESWITCH_MODE, mode);
- if (err)
- goto nla_put_failure;
- }
-
- if (ops->eswitch_inline_mode_get) {
- err = ops->eswitch_inline_mode_get(devlink, &inline_mode);
- if (err)
- goto nla_put_failure;
- err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
- inline_mode);
- if (err)
- goto nla_put_failure;
- }
-
- if (ops->eswitch_encap_mode_get) {
- err = ops->eswitch_encap_mode_get(devlink, &encap_mode);
- if (err)
- goto nla_put_failure;
- err = nla_put_u8(msg, DEVLINK_ATTR_ESWITCH_ENCAP_MODE, encap_mode);
- if (err)
- goto nla_put_failure;
- }
-
- genlmsg_end(msg, hdr);
- return 0;
-
-nla_put_failure:
- genlmsg_cancel(msg, hdr);
- return err;
-}
-
-static int devlink_nl_cmd_eswitch_get_doit(struct sk_buff *skb,
- struct genl_info *info)
-{
- struct devlink *devlink = info->user_ptr[0];
- struct sk_buff *msg;
- int err;
-
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
-
- err = devlink_nl_eswitch_fill(msg, devlink, DEVLINK_CMD_ESWITCH_GET,
- info->snd_portid, info->snd_seq, 0);
-
- if (err) {
- nlmsg_free(msg);
- return err;
- }
-
- return genlmsg_reply(msg, info);
-}
-
-static int devlink_rate_nodes_check(struct devlink *devlink, u16 mode,
- struct netlink_ext_ack *extack)
+int devlink_rate_nodes_check(struct devlink *devlink, u16 mode,
+ struct netlink_ext_ack *extack)
{
struct devlink_rate *devlink_rate;

@@ -2933,52 +2856,6 @@ static int devlink_rate_nodes_check(struct devlink *devlink, u16 mode,
return 0;
}

-static int devlink_nl_cmd_eswitch_set_doit(struct sk_buff *skb,
- struct genl_info *info)
-{
- struct devlink *devlink = info->user_ptr[0];
- const struct devlink_ops *ops = devlink->ops;
- enum devlink_eswitch_encap_mode encap_mode;
- u8 inline_mode;
- int err = 0;
- u16 mode;
-
- if (info->attrs[DEVLINK_ATTR_ESWITCH_MODE]) {
- if (!ops->eswitch_mode_set)
- return -EOPNOTSUPP;
- mode = nla_get_u16(info->attrs[DEVLINK_ATTR_ESWITCH_MODE]);
- err = devlink_rate_nodes_check(devlink, mode, info->extack);
- if (err)
- return err;
- err = ops->eswitch_mode_set(devlink, mode, info->extack);
- if (err)
- return err;
- }
-
- if (info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]) {
- if (!ops->eswitch_inline_mode_set)
- return -EOPNOTSUPP;
- inline_mode = nla_get_u8(
- info->attrs[DEVLINK_ATTR_ESWITCH_INLINE_MODE]);
- err = ops->eswitch_inline_mode_set(devlink, inline_mode,
- info->extack);
- if (err)
- return err;
- }
-
- if (info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
- if (!ops->eswitch_encap_mode_set)
- return -EOPNOTSUPP;
- encap_mode = nla_get_u8(info->attrs[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
- err = ops->eswitch_encap_mode_set(devlink, encap_mode,
- info->extack);
- if (err)
- return err;
- }
-
- return 0;
-}
-
int devlink_dpipe_match_put(struct sk_buff *skb,
struct devlink_dpipe_match *match)
{
--
2.27.0