diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/308-net-fq_impl-use-skb_get_hash-instead-of-skb_get_hash.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/308-net-fq_impl-use-skb_get_hash-instead-of-skb_get_hash.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/308-net-fq_impl-use-skb_get_hash-instead-of-skb_get_hash.patch b/package/kernel/mac80211/patches/subsys/308-net-fq_impl-use-skb_get_hash-instead-of-skb_get_hash.patch new file mode 100644 index 0000000000..77ecc82302 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/308-net-fq_impl-use-skb_get_hash-instead-of-skb_get_hash.patch @@ -0,0 +1,55 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sun, 26 Jul 2020 14:37:02 +0200 +Subject: [PATCH] net/fq_impl: use skb_get_hash instead of + skb_get_hash_perturb + +This avoids unnecessary regenerating of the skb flow hash + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/include/net/fq.h ++++ b/include/net/fq.h +@@ -69,15 +69,6 @@ struct fq { + struct list_head backlogs; + spinlock_t lock; + u32 flows_cnt; +-#if LINUX_VERSION_IS_GEQ(5,3,10) || \ +- LINUX_VERSION_IN_RANGE(4,19,83, 4,20,0) || \ +- LINUX_VERSION_IN_RANGE(4,14,153, 4,15,0) || \ +- LINUX_VERSION_IN_RANGE(4,9,200, 4,10,0) || \ +- LINUX_VERSION_IN_RANGE(4,4,200, 4,5,0) +- siphash_key_t perturbation; +-#else +- u32 perturbation; +-#endif + u32 limit; + u32 memory_limit; + u32 memory_usage; +--- a/include/net/fq_impl.h ++++ b/include/net/fq_impl.h +@@ -108,15 +108,7 @@ begin: + + static u32 fq_flow_idx(struct fq *fq, struct sk_buff *skb) + { +-#if LINUX_VERSION_IS_GEQ(5,3,10) || \ +- LINUX_VERSION_IN_RANGE(4,19,83, 4,20,0) || \ +- LINUX_VERSION_IN_RANGE(4,14,153, 4,15,0) || \ +- LINUX_VERSION_IN_RANGE(4,9,200, 4,10,0) || \ +- LINUX_VERSION_IN_RANGE(4,4,200, 4,5,0) +- u32 hash = skb_get_hash_perturb(skb, &fq->perturbation); +-#else +- u32 hash = skb_get_hash_perturb(skb, fq->perturbation); +-#endif ++ u32 hash = skb_get_hash(skb); + + return reciprocal_scale(hash, fq->flows_cnt); + } +@@ -316,7 +308,6 @@ static int fq_init(struct fq *fq, int fl + INIT_LIST_HEAD(&fq->backlogs); + spin_lock_init(&fq->lock); + fq->flows_cnt = max_t(u32, flows_cnt, 1); +- get_random_bytes(&fq->perturbation, sizeof(fq->perturbation)); + fq->quantum = 300; + fq->limit = 8192; + fq->memory_limit = 16 << 20; /* 16 MBytes */ |