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kernel: add patch that adds support for running threaded NAPI poll functions

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This is helps on workloads with CPU intensive poll functions (e.g. 802.11)
on multicore systems

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2020-07-26 15:24:42 +02:00
parent 3f69f7dd84
commit f51f18e099
6 changed files with 1036 additions and 15 deletions
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10
target/linux/generic/hack-4.14/721-phy_packets.patch
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@@ -15,7 +15,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1412,6 +1412,7 @@ enum netdev_priv_flags {
@@ -1415,6 +1415,7 @@ enum netdev_priv_flags {
IFF_PHONY_HEADROOM = 1<<26,
IFF_MACSEC = 1<<27,
IFF_L3MDEV_RX_HANDLER = 1<<28,
@@ -23,7 +23,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -1442,6 +1443,7 @@ enum netdev_priv_flags {
@@ -1445,6 +1446,7 @@ enum netdev_priv_flags {
#define IFF_RXFH_CONFIGURED IFF_RXFH_CONFIGURED
#define IFF_MACSEC IFF_MACSEC
#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
@@ -31,7 +31,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/**
* struct net_device - The DEVICE structure.
@@ -1728,6 +1730,11 @@ struct net_device {
@@ -1731,6 +1733,11 @@ struct net_device {
const struct xfrmdev_ops *xfrmdev_ops;
#endif
@@ -43,7 +43,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
const struct header_ops *header_ops;
unsigned int flags;
@@ -1802,6 +1809,10 @@ struct net_device {
@@ -1805,6 +1812,10 @@ struct net_device {
struct mpls_dev __rcu *mpls_ptr;
#endif
@@ -101,7 +101,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
help
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3000,10 +3000,20 @@ static int xmit_one(struct sk_buff *skb,
@@ -3001,10 +3001,20 @@ static int xmit_one(struct sk_buff *skb,
if (!list_empty(&ptype_all) || !list_empty(&dev->ptype_all))
dev_queue_xmit_nit(skb, dev);