diff options
Diffstat (limited to 'target/linux/generic')
| -rw-r--r-- | target/linux/generic/pending-5.15/760-net-core-add-optional-threading-for-backlog-processi.patch | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/target/linux/generic/pending-5.15/760-net-core-add-optional-threading-for-backlog-processi.patch b/target/linux/generic/pending-5.15/760-net-core-add-optional-threading-for-backlog-processi.patch index c26491abdb..6a13b3375c 100644 --- a/target/linux/generic/pending-5.15/760-net-core-add-optional-threading-for-backlog-processi.patch +++ b/target/linux/generic/pending-5.15/760-net-core-add-optional-threading-for-backlog-processi.patch @@ -30,7 +30,17 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> #endif --- a/net/core/dev.c +++ b/net/core/dev.c -@@ -4574,7 +4574,7 @@ static int rps_ipi_queued(struct softnet +@@ -4558,7 +4558,8 @@ static void rps_trigger_softirq(void *da + { + struct softnet_data *sd = data; + +- ____napi_schedule(sd, &sd->backlog); ++ if (!__test_and_set_bit(NAPI_STATE_SCHED, &sd->backlog.state)) ++ ____napi_schedule(sd, &sd->backlog); + sd->received_rps++; + } + +@@ -4574,7 +4575,7 @@ static int rps_ipi_queued(struct softnet #ifdef CONFIG_RPS struct softnet_data *mysd = this_cpu_ptr(&softnet_data); @@ -39,7 +49,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> sd->rps_ipi_next = mysd->rps_ipi_list; mysd->rps_ipi_list = sd; -@@ -5755,6 +5755,8 @@ static DEFINE_PER_CPU(struct work_struct +@@ -5755,6 +5756,8 @@ static DEFINE_PER_CPU(struct work_struct /* Network device is going away, flush any packets still pending */ static void flush_backlog(struct work_struct *work) { @@ -48,7 +58,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> struct sk_buff *skb, *tmp; struct softnet_data *sd; -@@ -5770,9 +5772,18 @@ static void flush_backlog(struct work_st +@@ -5770,9 +5773,18 @@ static void flush_backlog(struct work_st input_queue_head_incr(sd); } } @@ -67,7 +77,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> skb_queue_walk_safe(&sd->process_queue, skb, tmp) { if (skb->dev->reg_state == NETREG_UNREGISTERING) { __skb_unlink(skb, &sd->process_queue); -@@ -5780,7 +5791,18 @@ static void flush_backlog(struct work_st +@@ -5780,7 +5792,18 @@ static void flush_backlog(struct work_st input_queue_head_incr(sd); } } @@ -86,7 +96,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> } static bool flush_required(int cpu) -@@ -6463,6 +6485,7 @@ static int process_backlog(struct napi_s +@@ -6463,6 +6486,7 @@ static int process_backlog(struct napi_s local_irq_disable(); rps_lock(sd); @@ -94,7 +104,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> if (skb_queue_empty(&sd->input_pkt_queue)) { /* * Inline a custom version of __napi_complete(). -@@ -6472,7 +6495,8 @@ static int process_backlog(struct napi_s +@@ -6472,7 +6496,8 @@ static int process_backlog(struct napi_s * We can use a plain write instead of clear_bit(), * and we dont need an smp_mb() memory barrier. */ @@ -104,7 +114,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> again = false; } else { skb_queue_splice_tail_init(&sd->input_pkt_queue, -@@ -6889,6 +6913,57 @@ int dev_set_threaded(struct net_device * +@@ -6889,6 +6914,57 @@ int dev_set_threaded(struct net_device * } EXPORT_SYMBOL(dev_set_threaded); @@ -162,7 +172,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> void netif_napi_add(struct net_device *dev, struct napi_struct *napi, int (*poll)(struct napi_struct *, int), int weight) { -@@ -11367,6 +11442,9 @@ static int dev_cpu_dead(unsigned int old +@@ -11367,6 +11443,9 @@ static int dev_cpu_dead(unsigned int old raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_enable(); @@ -172,6 +182,14 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> #ifdef CONFIG_RPS remsd = oldsd->rps_ipi_list; oldsd->rps_ipi_list = NULL; +@@ -11706,6 +11785,7 @@ static int __init net_dev_init(void) + sd->cpu = i; + #endif + ++ INIT_LIST_HEAD(&sd->backlog.poll_list); + init_gro_hash(&sd->backlog); + sd->backlog.poll = process_backlog; + sd->backlog.weight = weight_p; --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -28,6 +28,7 @@ static int int_3600 = 3600; |