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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /net/core/netdev-genl.c
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'net/core/netdev-genl.c')
-rw-r--r--net/core/netdev-genl.c77
1 files changed, 62 insertions, 15 deletions
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index 7004b3399c2b..1f6ae6379e0f 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c
@@ -489,7 +489,17 @@ netdev_nl_stats_write_rx(struct sk_buff *rsp, struct netdev_queue_stats_rx *rx)
{
if (netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_PACKETS, rx->packets) ||
netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_BYTES, rx->bytes) ||
- netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_ALLOC_FAIL, rx->alloc_fail))
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_ALLOC_FAIL, rx->alloc_fail) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_DROPS, rx->hw_drops) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_DROP_OVERRUNS, rx->hw_drop_overruns) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_CSUM_UNNECESSARY, rx->csum_unnecessary) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_CSUM_NONE, rx->csum_none) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_CSUM_BAD, rx->csum_bad) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_GRO_PACKETS, rx->hw_gro_packets) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_GRO_BYTES, rx->hw_gro_bytes) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_GRO_WIRE_PACKETS, rx->hw_gro_wire_packets) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_GRO_WIRE_BYTES, rx->hw_gro_wire_bytes) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_RX_HW_DROP_RATELIMITS, rx->hw_drop_ratelimits))
return -EMSGSIZE;
return 0;
}
@@ -498,7 +508,18 @@ static int
netdev_nl_stats_write_tx(struct sk_buff *rsp, struct netdev_queue_stats_tx *tx)
{
if (netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_PACKETS, tx->packets) ||
- netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_BYTES, tx->bytes))
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_BYTES, tx->bytes) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_DROPS, tx->hw_drops) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_DROP_ERRORS, tx->hw_drop_errors) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_CSUM_NONE, tx->csum_none) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_NEEDS_CSUM, tx->needs_csum) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_PACKETS, tx->hw_gso_packets) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_BYTES, tx->hw_gso_bytes) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_PACKETS, tx->hw_gso_wire_packets) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_GSO_WIRE_BYTES, tx->hw_gso_wire_bytes) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_HW_DROP_RATELIMITS, tx->hw_drop_ratelimits) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_STOP, tx->stop) ||
+ netdev_stat_put(rsp, NETDEV_A_QSTATS_TX_WAKE, tx->wake))
return -EMSGSIZE;
return 0;
}
@@ -639,6 +660,24 @@ nla_put_failure:
return -EMSGSIZE;
}
+static int
+netdev_nl_qstats_get_dump_one(struct net_device *netdev, unsigned int scope,
+ struct sk_buff *skb, const struct genl_info *info,
+ struct netdev_nl_dump_ctx *ctx)
+{
+ if (!netdev->stat_ops)
+ return 0;
+
+ switch (scope) {
+ case 0:
+ return netdev_nl_stats_by_netdev(netdev, skb, info);
+ case NETDEV_QSTATS_SCOPE_QUEUE:
+ return netdev_nl_stats_by_queue(netdev, skb, info, ctx);
+ }
+
+ return -EINVAL; /* Should not happen, per netlink policy */
+}
+
int netdev_nl_qstats_get_dumpit(struct sk_buff *skb,
struct netlink_callback *cb)
{
@@ -646,6 +685,7 @@ int netdev_nl_qstats_get_dumpit(struct sk_buff *skb,
const struct genl_info *info = genl_info_dump(cb);
struct net *net = sock_net(skb->sk);
struct net_device *netdev;
+ unsigned int ifindex;
unsigned int scope;
int err = 0;
@@ -653,21 +693,28 @@ int netdev_nl_qstats_get_dumpit(struct sk_buff *skb,
if (info->attrs[NETDEV_A_QSTATS_SCOPE])
scope = nla_get_uint(info->attrs[NETDEV_A_QSTATS_SCOPE]);
- rtnl_lock();
- for_each_netdev_dump(net, netdev, ctx->ifindex) {
- if (!netdev->stat_ops)
- continue;
+ ifindex = 0;
+ if (info->attrs[NETDEV_A_QSTATS_IFINDEX])
+ ifindex = nla_get_u32(info->attrs[NETDEV_A_QSTATS_IFINDEX]);
- switch (scope) {
- case 0:
- err = netdev_nl_stats_by_netdev(netdev, skb, info);
- break;
- case NETDEV_QSTATS_SCOPE_QUEUE:
- err = netdev_nl_stats_by_queue(netdev, skb, info, ctx);
- break;
+ rtnl_lock();
+ if (ifindex) {
+ netdev = __dev_get_by_index(net, ifindex);
+ if (netdev && netdev->stat_ops) {
+ err = netdev_nl_qstats_get_dump_one(netdev, scope, skb,
+ info, ctx);
+ } else {
+ NL_SET_BAD_ATTR(info->extack,
+ info->attrs[NETDEV_A_QSTATS_IFINDEX]);
+ err = netdev ? -EOPNOTSUPP : -ENODEV;
+ }
+ } else {
+ for_each_netdev_dump(net, netdev, ctx->ifindex) {
+ err = netdev_nl_qstats_get_dump_one(netdev, scope, skb,
+ info, ctx);
+ if (err < 0)
+ break;
}
- if (err < 0)
- break;
}
rtnl_unlock();