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Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c1
-rw-r--r--net/core/netdev-genl.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d6e1b786c5c5..dd4f114a7cbf 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10613,6 +10613,7 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
dev_net_set(dev, &init_net);
dev->gso_max_size = GSO_LEGACY_MAX_SIZE;
+ dev->xdp_zc_max_segs = 1;
dev->gso_max_segs = GSO_MAX_SEGS;
dev->gro_max_size = GRO_LEGACY_MAX_SIZE;
dev->gso_ipv4_max_size = GSO_LEGACY_MAX_SIZE;
diff --git a/net/core/netdev-genl.c b/net/core/netdev-genl.c
index a4270fafdf11..65ef4867fc49 100644
--- a/net/core/netdev-genl.c
+++ b/net/core/netdev-genl.c
@@ -25,6 +25,14 @@ netdev_nl_dev_fill(struct net_device *netdev, struct sk_buff *rsp,
return -EINVAL;
}
+ if (netdev->xdp_features & NETDEV_XDP_ACT_XSK_ZEROCOPY) {
+ if (nla_put_u32(rsp, NETDEV_A_DEV_XDP_ZC_MAX_SEGS,
+ netdev->xdp_zc_max_segs)) {
+ genlmsg_cancel(rsp, hdr);
+ return -EINVAL;
+ }
+ }
+
genlmsg_end(rsp, hdr);
return 0;