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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-4.19/721-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
@@ -1514,6 +1514,7 @@ enum netdev_priv_flags {
@@ -1517,6 +1517,7 @@ enum netdev_priv_flags {
IFF_FAILOVER_SLAVE = 1<<28,
IFF_L3MDEV_RX_HANDLER = 1<<29,
IFF_LIVE_RENAME_OK = 1<<30,
@@ -23,7 +23,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -1546,6 +1547,7 @@ enum netdev_priv_flags {
@@ -1549,6 +1550,7 @@ enum netdev_priv_flags {
#define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE
#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
#define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK
@@ -31,7 +31,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/**
* struct net_device - The DEVICE structure.
@@ -1846,6 +1848,11 @@ struct net_device {
@@ -1849,6 +1851,11 @@ struct net_device {
const struct tlsdev_ops *tlsdev_ops;
#endif
@@ -43,7 +43,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
const struct header_ops *header_ops;
unsigned int flags;
@@ -1928,6 +1935,10 @@ struct net_device {
@@ -1931,6 +1938,10 @@ 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
@@ -3251,10 +3251,20 @@ static int xmit_one(struct sk_buff *skb,
@@ -3252,10 +3252,20 @@ static int xmit_one(struct sk_buff *skb,
if (!list_empty(&ptype_all) || !list_empty(&dev->ptype_all))
dev_queue_xmit_nit(skb, dev);