mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
64ab02aff8
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.137
All patches automatically rebased.
Build system: x86_64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3
Signed-off-by: John Audia <therealgraysky@proton.me>
[Refreshed on top of OpenWrt 23.05]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 75aeb7ed62)
150 lines
4.0 KiB
Diff
150 lines
4.0 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Subject: net: replace GRO optimization patch with a new one that supports VLANs/bridges with different MAC addresses
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
include/linux/netdevice.h | 2 ++
|
|
include/linux/skbuff.h | 3 ++-
|
|
net/core/dev.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++
|
|
net/ethernet/eth.c | 18 +++++++++++++++++-
|
|
4 files changed, 69 insertions(+), 2 deletions(-)
|
|
|
|
--- a/include/linux/netdevice.h
|
|
+++ b/include/linux/netdevice.h
|
|
@@ -2098,6 +2098,8 @@ struct net_device {
|
|
struct netdev_hw_addr_list mc;
|
|
struct netdev_hw_addr_list dev_addrs;
|
|
|
|
+ unsigned char local_addr_mask[MAX_ADDR_LEN];
|
|
+
|
|
#ifdef CONFIG_SYSFS
|
|
struct kset *queues_kset;
|
|
#endif
|
|
--- a/include/linux/skbuff.h
|
|
+++ b/include/linux/skbuff.h
|
|
@@ -893,6 +893,7 @@ struct sk_buff {
|
|
#ifdef CONFIG_IPV6_NDISC_NODETYPE
|
|
__u8 ndisc_nodetype:2;
|
|
#endif
|
|
+ __u8 gro_skip:1;
|
|
|
|
__u8 ipvs_property:1;
|
|
__u8 inner_protocol_type:1;
|
|
--- a/net/core/dev.c
|
|
+++ b/net/core/dev.c
|
|
@@ -6074,6 +6074,9 @@ static enum gro_result dev_gro_receive(s
|
|
int same_flow;
|
|
int grow;
|
|
|
|
+ if (skb->gro_skip)
|
|
+ goto normal;
|
|
+
|
|
if (netif_elide_gro(skb->dev))
|
|
goto normal;
|
|
|
|
@@ -8088,6 +8091,48 @@ static void __netdev_adjacent_dev_unlink
|
|
&upper_dev->adj_list.lower);
|
|
}
|
|
|
|
+static void __netdev_addr_mask(unsigned char *mask, const unsigned char *addr,
|
|
+ struct net_device *dev)
|
|
+{
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < dev->addr_len; i++)
|
|
+ mask[i] |= addr[i] ^ dev->dev_addr[i];
|
|
+}
|
|
+
|
|
+static void __netdev_upper_mask(unsigned char *mask, struct net_device *dev,
|
|
+ struct net_device *lower)
|
|
+{
|
|
+ struct net_device *cur;
|
|
+ struct list_head *iter;
|
|
+
|
|
+ netdev_for_each_upper_dev_rcu(dev, cur, iter) {
|
|
+ __netdev_addr_mask(mask, cur->dev_addr, lower);
|
|
+ __netdev_upper_mask(mask, cur, lower);
|
|
+ }
|
|
+}
|
|
+
|
|
+static void __netdev_update_addr_mask(struct net_device *dev)
|
|
+{
|
|
+ unsigned char mask[MAX_ADDR_LEN];
|
|
+ struct net_device *cur;
|
|
+ struct list_head *iter;
|
|
+
|
|
+ memset(mask, 0, sizeof(mask));
|
|
+ __netdev_upper_mask(mask, dev, dev);
|
|
+ memcpy(dev->local_addr_mask, mask, dev->addr_len);
|
|
+
|
|
+ netdev_for_each_lower_dev(dev, cur, iter)
|
|
+ __netdev_update_addr_mask(cur);
|
|
+}
|
|
+
|
|
+static void netdev_update_addr_mask(struct net_device *dev)
|
|
+{
|
|
+ rcu_read_lock();
|
|
+ __netdev_update_addr_mask(dev);
|
|
+ rcu_read_unlock();
|
|
+}
|
|
+
|
|
static int __netdev_upper_dev_link(struct net_device *dev,
|
|
struct net_device *upper_dev, bool master,
|
|
void *upper_priv, void *upper_info,
|
|
@@ -8139,6 +8184,7 @@ static int __netdev_upper_dev_link(struc
|
|
if (ret)
|
|
return ret;
|
|
|
|
+ netdev_update_addr_mask(dev);
|
|
ret = call_netdevice_notifiers_info(NETDEV_CHANGEUPPER,
|
|
&changeupper_info.info);
|
|
ret = notifier_to_errno(ret);
|
|
@@ -8235,6 +8281,7 @@ static void __netdev_upper_dev_unlink(st
|
|
|
|
__netdev_adjacent_dev_unlink_neighbour(dev, upper_dev);
|
|
|
|
+ netdev_update_addr_mask(dev);
|
|
call_netdevice_notifiers_info(NETDEV_CHANGEUPPER,
|
|
&changeupper_info.info);
|
|
|
|
@@ -9054,6 +9101,7 @@ int dev_set_mac_address(struct net_devic
|
|
if (err)
|
|
return err;
|
|
dev->addr_assign_type = NET_ADDR_SET;
|
|
+ netdev_update_addr_mask(dev);
|
|
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
|
|
add_device_randomness(dev->dev_addr, dev->addr_len);
|
|
return 0;
|
|
--- a/net/ethernet/eth.c
|
|
+++ b/net/ethernet/eth.c
|
|
@@ -142,6 +142,18 @@ u32 eth_get_headlen(const struct net_dev
|
|
}
|
|
EXPORT_SYMBOL(eth_get_headlen);
|
|
|
|
+static inline bool
|
|
+eth_check_local_mask(const void *addr1, const void *addr2, const void *mask)
|
|
+{
|
|
+ const u16 *a1 = addr1;
|
|
+ const u16 *a2 = addr2;
|
|
+ const u16 *m = mask;
|
|
+
|
|
+ return (((a1[0] ^ a2[0]) & ~m[0]) |
|
|
+ ((a1[1] ^ a2[1]) & ~m[1]) |
|
|
+ ((a1[2] ^ a2[2]) & ~m[2]));
|
|
+}
|
|
+
|
|
/**
|
|
* eth_type_trans - determine the packet's protocol ID.
|
|
* @skb: received socket data
|
|
@@ -173,6 +185,10 @@ __be16 eth_type_trans(struct sk_buff *sk
|
|
} else {
|
|
skb->pkt_type = PACKET_OTHERHOST;
|
|
}
|
|
+
|
|
+ if (eth_check_local_mask(eth->h_dest, dev->dev_addr,
|
|
+ dev->local_addr_mask))
|
|
+ skb->gro_skip = 1;
|
|
}
|
|
|
|
/*
|