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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2019-11-18 07:05:41 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2019-12-07 19:46:22 +0100 |
| commit | 1cbde3eb9cd4e119c3edb055440855809e1c785b (patch) | |
| tree | be8b4fbeb78c30274acbfe1ca7e975451b06e649 /package/kernel | |
| parent | bd3b8480ab2ac932259972b3136265d82fcc219d (diff) | |
| download | upstream-1cbde3eb9cd4e119c3edb055440855809e1c785b.tar.gz upstream-1cbde3eb9cd4e119c3edb055440855809e1c785b.tar.bz2 upstream-1cbde3eb9cd4e119c3edb055440855809e1c785b.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/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/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch b/package/kernel/mac80211/patches/370-backports-Adapt-to-changes-to-skb_get_hash_perturb.patch new file mode 100644 index 0000000000..63d8247759 --- /dev/null +++ b/package/kernel/mac80211/patches/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 +@@ -118,7 +118,15 @@ static struct fq_flow *fq_flow_classify( + + lockdep_assert_held(&fq->lock); + ++#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) ++ hash = skb_get_hash_perturb(skb, &fq->perturbation); ++#else + hash = skb_get_hash_perturb(skb, fq->perturbation); ++#endif + idx = reciprocal_scale(hash, fq->flows_cnt); + flow = &fq->flows[idx]; + +@@ -307,7 +315,15 @@ 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 */ |