diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2019-11-18 07:05:41 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2019-11-18 21:37:40 +0100 |
| commit | 17d8e47d35b0b0d516200aa7f370d0c5e7554a1f (patch) | |
| tree | 29faaeb97c5e8d97cc1a409e4ec1aa6c47c31409 /package/kernel | |
| parent | 67957cd807f60326b05c776a6afa2b59d6b25e15 (diff) | |
| download | upstream-17d8e47d35b0b0d516200aa7f370d0c5e7554a1f.tar.gz upstream-17d8e47d35b0b0d516200aa7f370d0c5e7554a1f.tar.bz2 upstream-17d8e47d35b0b0d516200aa7f370d0c5e7554a1f.zip | |
mac80211: Adapt to changes to skb_get_hash_perturb()
The skb_get_hash_perturb() function now takes a siphash_key_t instead of
an u32. This was changed in commit 55667441c84f ("net/flow_dissector:
switch to siphash"). Use the correct type in the fq header file
depending on the kernel version.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
(cherry picked from commit eaa047179ad30d156d0c3da7ec225acfae7a9f00)
Diffstat (limited to 'package/kernel')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch b/package/kernel/mac80211/patches/subsys/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch new file mode 100644 index 0000000000..c138055986 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch @@ -0,0 +1,68 @@ +From e3c57dd949835419cee8d3b45db38de58bf6ebd5 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Mon, 18 Nov 2019 01:13:37 +0100 +Subject: [PATCH] backports: Adapt to changes to skb_get_hash_perturb() + +The skb_get_hash_perturb() function now takes a siphash_key_t instead of +an u32. This was changed in commit 55667441c84f ("net/flow_dissector: +switch to siphash"). Use the correct type in the fq header file +depending on the kernel version. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + include/net/fq.h | 8 ++++++++ + include/net/fq_impl.h | 8 ++++++++ + 2 files changed, 16 insertions(+) + +--- a/include/net/fq.h ++++ b/include/net/fq.h +@@ -70,7 +70,15 @@ 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 +@@ -109,7 +109,15 @@ 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 + + return reciprocal_scale(hash, fq->flows_cnt); + } +@@ -309,7 +317,15 @@ 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); ++#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) ++ get_random_bytes(&fq->perturbation, sizeof(fq->perturbation)); ++#else + fq->perturbation = prandom_u32(); ++#endif + fq->quantum = 300; + fq->limit = 8192; + fq->memory_limit = 16 << 20; /* 16 MBytes */ |