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authorMichal Kubecek <mkubecek@suse.cz>2020-03-12 23:08:23 +0300
committerDavid S. Miller <davem@davemloft.net>2020-03-13 01:32:33 +0300
commite4a1717b677c5cb285e9b425c569e261084a484c (patch)
treee7b3079c31cba72878b784557188d6dc3eb82db2 /net/ethtool/netlink.c
parent111dcba3c694b4ca7dc8b6abfd575745dd51be3d (diff)
downloadlinux-e4a1717b677c5cb285e9b425c569e261084a484c.tar.xz
ethtool: provide ring sizes with RINGS_GET request
Implement RINGS_GET request to get ring sizes of a network device. These are traditionally available via ETHTOOL_GRINGPARAM ioctl request. Omit attributes for ring types which are not supported by driver or device (zero reported for maximum). v2: (all suggested by Jakub Kicinski) - minor cleanup in rings_prepare_data() - more descriptive rings_reply_size() - omit attributes with zero max size Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ethtool/netlink.c')
-rw-r--r--net/ethtool/netlink.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c
index dec82b0b80bd..0dc25a490450 100644
--- a/net/ethtool/netlink.c
+++ b/net/ethtool/netlink.c
@@ -217,6 +217,7 @@ ethnl_default_requests[__ETHTOOL_MSG_USER_CNT] = {
[ETHTOOL_MSG_WOL_GET] = &ethnl_wol_request_ops,
[ETHTOOL_MSG_FEATURES_GET] = &ethnl_features_request_ops,
[ETHTOOL_MSG_PRIVFLAGS_GET] = &ethnl_privflags_request_ops,
+ [ETHTOOL_MSG_RINGS_GET] = &ethnl_rings_request_ops,
};
static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb)
@@ -748,6 +749,13 @@ static const struct genl_ops ethtool_genl_ops[] = {
.flags = GENL_UNS_ADMIN_PERM,
.doit = ethnl_set_privflags,
},
+ {
+ .cmd = ETHTOOL_MSG_RINGS_GET,
+ .doit = ethnl_default_doit,
+ .start = ethnl_default_start,
+ .dumpit = ethnl_default_dumpit,
+ .done = ethnl_default_done,
+ },
};
static const struct genl_multicast_group ethtool_nl_mcgrps[] = {