diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-08 14:39:29 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-02-08 14:39:29 -0800 |
commit | 9d21874da8ec0e0043c85cde8dda173e74ffc24d (patch) | |
tree | 8c02dce2b04ff5d70cafbd82a8bff383f2a49604 /net/sched/cls_bpf.c | |
parent | 4ed8244ef8847c8ad7414e1a12ba45fef7998721 (diff) | |
parent | ac665d9423474e64e64b34b0e2cea43601b50d7d (diff) | |
download | linux-9d21874da8ec0e0043c85cde8dda173e74ffc24d.tar.bz2 |
Merge branch 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-dax
Pull idr updates from Matthew Wilcox:
- test-suite improvements
- replace the extended API by improving the normal API
- performance improvement for IDRs which are 1-based rather than
0-based
- add documentation
* 'idr-2018-02-06' of git://git.infradead.org/users/willy/linux-dax:
idr: Add documentation
idr: Make 1-based IDRs more efficient
idr: Warn if old iterators see large IDs
idr: Rename idr_for_each_entry_ext
idr: Remove idr_alloc_ext
cls_u32: Convert to idr_alloc_u32
cls_u32: Reinstate cyclic allocation
cls_flower: Convert to idr_alloc_u32
cls_bpf: Convert to use idr_alloc_u32
cls_basic: Convert to use idr_alloc_u32
cls_api: Convert to idr_alloc_u32
net sched actions: Convert to use idr_alloc_u32
idr: Add idr_alloc_u32 helper
idr: Delete idr_find_ext function
idr: Delete idr_replace_ext function
idr: Delete idr_remove_ext function
IDR test suite: Check handling negative end correctly
idr test suite: Fix ida_test_random()
radix tree test suite: Remove ARRAY_SIZE
Diffstat (limited to 'net/sched/cls_bpf.c')
-rw-r--r-- | net/sched/cls_bpf.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c index 8e5326bc6440..b07c1fa8bc0d 100644 --- a/net/sched/cls_bpf.c +++ b/net/sched/cls_bpf.c @@ -295,7 +295,7 @@ static void __cls_bpf_delete(struct tcf_proto *tp, struct cls_bpf_prog *prog, { struct cls_bpf_head *head = rtnl_dereference(tp->root); - idr_remove_ext(&head->handle_idr, prog->handle); + idr_remove(&head->handle_idr, prog->handle); cls_bpf_stop_offload(tp, prog, extack); list_del_rcu(&prog->link); tcf_unbind_filter(tp, &prog->res); @@ -471,7 +471,6 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, struct cls_bpf_prog *oldprog = *arg; struct nlattr *tb[TCA_BPF_MAX + 1]; struct cls_bpf_prog *prog; - unsigned long idr_index; int ret; if (tca[TCA_OPTIONS] == NULL) @@ -498,21 +497,18 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, } if (handle == 0) { - ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index, - 1, 0x7FFFFFFF, GFP_KERNEL); - if (ret) - goto errout; - prog->handle = idr_index; - } else { - if (!oldprog) { - ret = idr_alloc_ext(&head->handle_idr, prog, &idr_index, - handle, handle + 1, GFP_KERNEL); - if (ret) - goto errout; - } - prog->handle = handle; + handle = 1; + ret = idr_alloc_u32(&head->handle_idr, prog, &handle, + INT_MAX, GFP_KERNEL); + } else if (!oldprog) { + ret = idr_alloc_u32(&head->handle_idr, prog, &handle, + handle, GFP_KERNEL); } + if (ret) + goto errout; + prog->handle = handle; + ret = cls_bpf_set_parms(net, tp, prog, base, tb, tca[TCA_RATE], ovr, extack); if (ret < 0) @@ -526,7 +522,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, prog->gen_flags |= TCA_CLS_FLAGS_NOT_IN_HW; if (oldprog) { - idr_replace_ext(&head->handle_idr, prog, handle); + idr_replace(&head->handle_idr, prog, handle); list_replace_rcu(&oldprog->link, &prog->link); tcf_unbind_filter(tp, &oldprog->res); tcf_exts_get_net(&oldprog->exts); @@ -542,7 +538,7 @@ errout_parms: cls_bpf_free_parms(prog); errout_idr: if (!oldprog) - idr_remove_ext(&head->handle_idr, prog->handle); + idr_remove(&head->handle_idr, prog->handle); errout: tcf_exts_destroy(&prog->exts); kfree(prog); |