[PATCH net-next v3 08/10] netdev-genl: use struct genl_info for reply construction
From: Jakub Kicinski <kuba@kernel.org>
Date: 2023-08-14 21:47:32
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use the just added APIs to make the code simpler. Reviewed-by: Jiri Pirko <redacted> Signed-off-by: Jakub Kicinski <kuba@kernel.org> --- CC: lorenzo@kernel.org --- net/core/netdev-genl.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index 797c813c7c77..c1aea8b756b6 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c@@ -10,11 +10,11 @@ static int netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp, - u32 portid, u32 seq, int flags, u32 cmd) + const struct genl_info *info) { void *hdr; - hdr = genlmsg_put(rsp, portid, seq, &netdev_nl_family, flags, cmd); + hdr = genlmsg_iput(rsp, info); if (!hdr) return -EMSGSIZE;
@@ -41,17 +41,20 @@ netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp, static void netdev_genl_dev_notify(struct net_device *netdev, int cmd) { + struct genl_info info; struct sk_buff *ntf; if (!genl_has_listeners(&netdev_nl_family, dev_net(netdev), NETDEV_NLGRP_MGMT)) return; + genl_info_init_ntf(&info, &netdev_nl_family, cmd); + ntf = genlmsg_new(GENLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!ntf) return; - if (netdev_nl_dev_fill(netdev, ntf, 0, 0, 0, cmd)) { + if (netdev_nl_dev_fill(netdev, ntf, &info)) { nlmsg_free(ntf); return; }
@@ -80,8 +83,7 @@ int netdev_nl_dev_get_doit(struct sk_buff *skb, struct genl_info *info) netdev = __dev_get_by_index(genl_info_net(info), ifindex); if (netdev) - err = netdev_nl_dev_fill(netdev, rsp, info->snd_portid, - info->snd_seq, 0, info->genlhdr->cmd); + err = netdev_nl_dev_fill(netdev, rsp, info); else err = -ENODEV;
@@ -105,10 +107,7 @@ int netdev_nl_dev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb) rtnl_lock(); for_each_netdev_dump(net, netdev, cb->args[0]) { - err = netdev_nl_dev_fill(netdev, skb, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, 0, - NETDEV_CMD_DEV_GET); + err = netdev_nl_dev_fill(netdev, skb, genl_info_dump(cb)); if (err < 0) break; }
--
2.41.0