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Add NSS Acceleration Support on Qualcomm devices

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This commit is contained in:
Ycarus (Yannick Chabanois) 2024-04-23 20:45:31 +02:00
parent 359074adc6
commit e9d1e0219b
54 changed files with 12395 additions and 0 deletions
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103
6.1/target/linux/qualcommax/patches-6.1/0603-5-qca-nss-clients-add-vxlan-support.patch Normal file
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@ -0,0 +1,103 @@
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -71,6 +71,20 @@ static inline bool vxlan_collect_metadat
ip_tunnel_collect_metadata();
}
+ATOMIC_NOTIFIER_HEAD(vxlan_fdb_notifier_list);
+
+void vxlan_fdb_register_notify(struct notifier_block *nb)
+{
+ atomic_notifier_chain_register(&vxlan_fdb_notifier_list, nb);
+}
+EXPORT_SYMBOL(vxlan_fdb_register_notify);
+
+void vxlan_fdb_unregister_notify(struct notifier_block *nb)
+{
+ atomic_notifier_chain_unregister(&vxlan_fdb_notifier_list, nb);
+}
+EXPORT_SYMBOL(vxlan_fdb_unregister_notify);
+
#if IS_ENABLED(CONFIG_IPV6)
static int vxlan_nla_get_addr(union vxlan_addr *ip, struct nlattr *nla)
{
@@ -307,6 +321,7 @@ static void __vxlan_fdb_notify(struct vx
{
struct net *net = dev_net(vxlan->dev);
struct sk_buff *skb;
+ struct vxlan_fdb_event vfe;
int err = -ENOBUFS;
skb = nlmsg_new(vxlan_nlmsg_size(), GFP_ATOMIC);
@@ -322,6 +337,10 @@ static void __vxlan_fdb_notify(struct vx
}
rtnl_notify(skb, net, 0, RTNLGRP_NEIGH, NULL, GFP_ATOMIC);
+ vfe.dev = vxlan->dev;
+ vfe.rdst = rd;
+ ether_addr_copy(vfe.eth_addr, fdb->eth_addr);
+ atomic_notifier_call_chain(&vxlan_fdb_notifier_list, type, (void *)&vfe);
return;
errout:
if (err < 0)
@@ -488,6 +507,18 @@ static struct vxlan_fdb *vxlan_find_mac(
return f;
}
+/* Find and update age of fdb entry corresponding to MAC. */
+void vxlan_fdb_update_mac(struct vxlan_dev *vxlan, const u8 *mac, uint32_t vni)
+{
+ u32 hash_index;
+
+ hash_index = fdb_head_index(vxlan, mac, vni);
+ spin_lock_bh(&vxlan->hash_lock[hash_index]);
+ vxlan_find_mac(vxlan, mac, vni);
+ spin_unlock_bh(&vxlan->hash_lock[hash_index]);
+}
+EXPORT_SYMBOL(vxlan_fdb_update_mac);
+
/* caller should hold vxlan->hash_lock */
static struct vxlan_rdst *vxlan_fdb_find_rdst(struct vxlan_fdb *f,
union vxlan_addr *ip, __be16 port,
@@ -2658,6 +2689,9 @@ static void vxlan_xmit_one(struct sk_buf
goto out_unlock;
}
+ /* Reset the skb_iif to Tunnels interface index */
+ skb->skb_iif = dev->ifindex;
+
tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);
err = vxlan_build_skb(skb, ndst, sizeof(struct iphdr),
@@ -2729,6 +2763,9 @@ static void vxlan_xmit_one(struct sk_buf
if (err < 0)
goto tx_error;
+ /* Reset the skb_iif to Tunnels interface index */
+ skb->skb_iif = dev->ifindex;
+
udp_tunnel6_xmit_skb(ndst, sock6->sock->sk, skb, dev,
&local_ip.sin6.sin6_addr,
&dst->sin6.sin6_addr, tos, ttl,
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -344,6 +344,19 @@ struct vxlan_dev {
VXLAN_F_COLLECT_METADATA | \
VXLAN_F_VNIFILTER)
+/*
+ * Application data for fdb notifier event
+ */
+struct vxlan_fdb_event {
+ struct net_device *dev;
+ struct vxlan_rdst *rdst;
+ u8 eth_addr[ETH_ALEN];
+};
+
+extern void vxlan_fdb_register_notify(struct notifier_block *nb);
+extern void vxlan_fdb_unregister_notify(struct notifier_block *nb);
+extern void vxlan_fdb_update_mac(struct vxlan_dev *vxlan, const u8 *mac, uint32_t vni);
+
struct net_device *vxlan_dev_create(struct net *net, const char *name,
u8 name_assign_type, struct vxlan_config *conf);