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ipq806x: NSS Hardware Offloading ECM Support Patches

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This commit is contained in:
ACwifidude
2021-06-18 14:24:50 -05:00
parent 8b3897a4ac
commit 4bc33916c3
2 changed files with 1725 additions and 0 deletions
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1582
target/linux/ipq806x/patches-5.4/999-03a-qca-nss-ecm-support.patch Normal file
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143
target/linux/ipq806x/patches-5.4/999-03b-qca-nss-ecm-support.patch Normal file
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@@ -0,0 +1,143 @@
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -173,6 +173,8 @@ struct br_fdb_event {
struct net_device *dev;
unsigned char addr[6];
unsigned char is_local;
+ struct net_bridge *br;
+ struct net_device *orig_dev;
};
extern void br_fdb_register_notify(struct notifier_block *nb);
extern void br_fdb_unregister_notify(struct notifier_block *nb);
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1587,12 +1587,18 @@ enum netdev_priv_qca_ecm_flags {
IFF_QCA_ECM_PPP_L2TPV2 = 1<<1,
IFF_QCA_ECM_PPP_L2TPV3 = 1<<2,
IFF_QCA_ECM_PPP_PPTP = 1<<3,
+ IFF_QCA_ECM_GRE_V4_TAP = 1<<4,
+ IFF_QCA_ECM_GRE_V6_TAP = 1<<5,
+ IFF_QCA_ECM_IFB = 1<<6,
};
#define IFF_QCA_ECM_TUN_TAP IFF_QCA_ECM_TUN_TAP
#define IFF_QCA_ECM_PPP_L2TPV2 IFF_QCA_ECM_PPP_L2TPV2
#define IFF_QCA_ECM_PPP_L2TPV3 IFF_QCA_ECM_PPP_L2TPV3
#define IFF_QCA_ECM_PPP_PPTP IFF_QCA_ECM_PPP_PPTP
+#define IFF_QCA_ECM_GRE_V4_TAP IFF_QCA_ECM_GRE_V4_TAP
+#define IFF_QCA_ECM_GRE_V6_TAP IFF_QCA_ECM_GRE_V6_TAP
+#define IFF_QCA_ECM_IFB IFF_QCA_ECM_IFB
/* QCA NSS ECM support - End */
/**
--- a/include/linux/netfilter/nf_conntrack_proto_gre.h
+++ b/include/linux/netfilter/nf_conntrack_proto_gre.h
@@ -31,4 +31,35 @@ void nf_ct_gre_keymap_destroy(struct nf_
bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
struct net *net, struct nf_conntrack_tuple *tuple);
+
+/* QCA NSS ECM Support - Start */
+/* GRE is a mess: Four different standards */
+struct gre_hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+ __u16 rec:3,
+ srr:1,
+ seq:1,
+ key:1,
+ routing:1,
+ csum:1,
+ version:3,
+ reserved:4,
+ ack:1;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+ __u16 csum:1,
+ routing:1,
+ key:1,
+ seq:1,
+ srr:1,
+ rec:3,
+ ack:1,
+ reserved:4,
+ version:3;
+#else
+#error "Adjust your <asm/byteorder.h> defines"
+#endif
+ __be16 protocol;
+};
+/* QCA NSS ECM Support - End */
+
#endif /* _CONNTRACK_PROTO_GRE_H */
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -497,4 +497,9 @@ int if6_proc_init(void);
void if6_proc_exit(void);
#endif
+/* QCA NSS ECM support - Start */
+struct net_device *ipv6_dev_find(struct net *net, struct in6_addr *addr,
+ int strict);
+/* QCA NSS ECM support - End */
+
#endif
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2833,6 +2833,8 @@ static int tun_set_iff(struct net *net,
~(NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_STAG_TX);
+ dev->priv_flags_qca_ecm |= IFF_QCA_ECM_TUN_TAP; /* QCA NSS ECM Support */
+
tun->flags = (tun->flags & ~TUN_FEATURES) |
(ifr->ifr_flags & TUN_FEATURES);
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1287,6 +1287,7 @@ static void ipgre_tap_setup(struct net_d
dev->netdev_ops = &gre_tap_netdev_ops;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+ dev->priv_flags_qca_ecm |= IFF_QCA_ECM_GRE_V4_TAP; /* QCA NSS ECM Support */
ip_tunnel_setup(dev, gre_tap_net_id);
}
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1895,6 +1895,7 @@ static void ip6gre_tap_setup(struct net_
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+ dev->priv_flags_qca_ecm |= IFF_QCA_ECM_GRE_V6_TAP; /* QCA NSS ECM Support */
netif_keep_dst(dev);
}
--- a/include/linux/if_bridge.h
+++ b/include/linux/if_bridge.h
@@ -68,6 +68,7 @@ extern void br_fdb_update_unregister_notify(struct notifier_block *nb);
extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *));
extern void br_dev_update_stats(struct net_device *dev,
struct rtnl_link_stats64 *nlstats);
+extern bool br_is_hairpin_enabled(struct net_device *dev);
#if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING)
int br_multicast_list_adjacent(struct net_device *dev,
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c
@@ -684,6 +684,17 @@ void br_dev_update_stats(struct net_device *dev,
EXPORT_SYMBOL_GPL(br_dev_update_stats);
/* QCA NSS ECM support - Start */
+/* API to know if hairpin feature is enabled/disabled on this bridge port */
+bool br_is_hairpin_enabled(struct net_device *dev)
+{
+ struct net_bridge_port *port = br_port_get_check_rcu(dev);
+
+ if (likely(port))
+ return port->flags & BR_HAIRPIN_MODE;
+ return false;
+}
+EXPORT_SYMBOL_GPL(br_is_hairpin_enabled);
+
/* br_port_dev_get()
* If a skb is provided, and the br_port_dev_get_hook_t hook exists,
* use that to try and determine the egress port for that skb.