Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index e74f2d1..a0f338c 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -142,6 +142,8 @@
 	u32  send_section_size;
 	u32  recv_section_size;
 
+	struct bpf_prog *bprog;
+
 	u8 rss_key[NETVSC_HASH_KEYLEN];
 };
 
@@ -189,7 +191,8 @@
 		struct hv_netvsc_packet *packet,
 		struct rndis_message *rndis_msg,
 		struct hv_page_buffer *page_buffer,
-		struct sk_buff *skb);
+		struct sk_buff *skb,
+		bool xdp_tx);
 void netvsc_linkstatus_callback(struct net_device *net,
 				struct rndis_message *resp);
 int netvsc_recv_callback(struct net_device *net,
@@ -198,6 +201,16 @@
 void netvsc_channel_cb(void *context);
 int netvsc_poll(struct napi_struct *napi, int budget);
 
+u32 netvsc_run_xdp(struct net_device *ndev, struct netvsc_channel *nvchan,
+		   struct xdp_buff *xdp);
+unsigned int netvsc_xdp_fraglen(unsigned int len);
+struct bpf_prog *netvsc_xdp_get(struct netvsc_device *nvdev);
+int netvsc_xdp_set(struct net_device *dev, struct bpf_prog *prog,
+		   struct netlink_ext_ack *extack,
+		   struct netvsc_device *nvdev);
+int netvsc_vf_setxdp(struct net_device *vf_netdev, struct bpf_prog *prog);
+int netvsc_bpf(struct net_device *dev, struct netdev_bpf *bpf);
+
 int rndis_set_subchannel(struct net_device *ndev,
 			 struct netvsc_device *nvdev,
 			 struct netvsc_device_info *dev_info);
@@ -822,7 +835,8 @@
 
 #define NETVSC_SUPPORTED_HW_FEATURES (NETIF_F_RXCSUM | NETIF_F_IP_CSUM | \
 				      NETIF_F_TSO | NETIF_F_IPV6_CSUM | \
-				      NETIF_F_TSO6 | NETIF_F_LRO | NETIF_F_SG)
+				      NETIF_F_TSO6 | NETIF_F_LRO | \
+				      NETIF_F_SG | NETIF_F_RXHASH)
 
 #define VRSS_SEND_TAB_SIZE 16  /* must be power of 2 */
 #define VRSS_CHANNEL_MAX 64
@@ -831,6 +845,12 @@
 #define RNDIS_MAX_PKT_DEFAULT 8
 #define RNDIS_PKT_ALIGN_DEFAULT 8
 
+#define NETVSC_XDP_HDRM 256
+
+#define NETVSC_XFER_HEADER_SIZE(rng_cnt) \
+		(offsetof(struct vmtransfer_page_packet_header, ranges) + \
+		(rng_cnt) * sizeof(struct vmtransfer_page_range))
+
 struct multi_send_data {
 	struct sk_buff *skb; /* skb containing the pkt */
 	struct hv_netvsc_packet *pkt; /* netvsc pkt pending */
@@ -853,6 +873,7 @@
 struct nvsc_rsc {
 	const struct ndis_pkt_8021q_info *vlan;
 	const struct ndis_tcp_ip_checksum_info *csum_info;
+	const u32 *hash_info;
 	u8 is_last; /* last RNDIS msg in a vmtransfer_page */
 	u32 cnt; /* #fragments in an RSC packet */
 	u32 pktlen; /* Full packet length */
@@ -865,6 +886,7 @@
 	u64 bytes;
 	u64 broadcast;
 	u64 multicast;
+	u64 xdp_drop;
 	struct u64_stats_sync syncp;
 };
 
@@ -879,6 +901,7 @@
 	unsigned long rx_no_memory;
 	unsigned long stop_queue;
 	unsigned long wake_queue;
+	unsigned long vlan_error;
 };
 
 struct netvsc_ethtool_pcpu_stats {
@@ -954,6 +977,12 @@
 	u32 vf_alloc;
 	/* Serial number of the VF to team with */
 	u32 vf_serial;
+
+	/* Is the current data path through the VF NIC? */
+	bool  data_path_is_vf;
+
+	/* Used to temporarily save the config info across hibernation */
+	struct netvsc_device_info *saved_netvsc_dev_info;
 };
 
 /* Per channel data */
@@ -967,6 +996,9 @@
 	atomic_t queue_sends;
 	struct nvsc_rsc rsc;
 
+	struct bpf_prog __rcu *bpf_prog;
+	struct xdp_rxq_info xdp_rxq;
+
 	struct netvsc_stats tx_stats;
 	struct netvsc_stats rx_stats;
 };