Merge branch 'filter-next'

Alexei Starovoitov says:

====================
net: filter: split sk_filter into socket and bpf, cleanup names

The main goal of the series is to split 'struct sk_filter' into socket and
bpf parts and cleanup names in the following way:
- everything that deals with sockets keeps 'sk_*' prefix
- everything that is pure BPF is changed to 'bpf_*' prefix

split 'struct sk_filter' into
struct sk_filter {
	atomic_t        refcnt;
	struct rcu_head rcu;
	struct bpf_prog *prog;
};
and
struct bpf_prog {
        u32                     jited:1,
                                len:31;
        struct sock_fprog_kern  *orig_prog;
        unsigned int            (*bpf_func)(const struct sk_buff *skb,
                                            const struct bpf_insn *filter);
        union {
                struct sock_filter      insns[0];
                struct bpf_insn         insnsi[0];
                struct work_struct      work;
        };
};
so that 'struct bpf_prog' can be used independent of sockets and cleans up
'unattached' bpf use cases:
isdn, ppp, team, seccomp, ptp, xt_bpf, cls_bpf, test_bpf
which don't need refcnt/rcu fields.

It's a follow up to the rcu cleanup started by Pablo in
commit 34c5bd66e5 ("net: filter: don't release unattached filter through call_rcu()")

Patch 1 - cleans up socket memory charging and makes it possible for functions
  sk(bpf)_migrate_filter(), sk(bpf)_prepare_filter() to be socket independent
Patches 2-4 - trivial renames
Patch 5 - sk_filter split and renames of related sk_*() functions
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 12 insertions, 12 deletions

diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 5f48623ee1a7..89e0345733bd 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -1761,9 +1761,9 @@ static int probe_filter_length(struct sock_filter *fp)
 	return len + 1;
 }
 
-static struct sk_filter *generate_filter(int which, int *err)
+static struct bpf_prog *generate_filter(int which, int *err)
 {
-	struct sk_filter *fp;
+	struct bpf_prog *fp;
 	struct sock_fprog_kern fprog;
 	unsigned int flen = probe_filter_length(tests[which].u.insns);
 	__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
@@ -1773,7 +1773,7 @@ static struct sk_filter *generate_filter(int which, int *err)
 		fprog.filter = tests[which].u.insns;
 		fprog.len = flen;
 
-		*err = sk_unattached_filter_create(&fp, &fprog);
+		*err = bpf_prog_create(&fp, &fprog);
 		if (tests[which].aux & FLAG_EXPECTED_FAIL) {
 			if (*err == -EINVAL) {
 				pr_cont("PASS\n");
@@ -1798,7 +1798,7 @@ static struct sk_filter *generate_filter(int which, int *err)
 		break;
 
 	case INTERNAL:
-		fp = kzalloc(sk_filter_size(flen), GFP_KERNEL);
+		fp = kzalloc(bpf_prog_size(flen), GFP_KERNEL);
 		if (fp == NULL) {
 			pr_cont("UNEXPECTED_FAIL no memory left\n");
 			*err = -ENOMEM;
@@ -1809,7 +1809,7 @@ static struct sk_filter *generate_filter(int which, int *err)
 		memcpy(fp->insnsi, tests[which].u.insns_int,
 		       fp->len * sizeof(struct bpf_insn));
 
-		sk_filter_select_runtime(fp);
+		bpf_prog_select_runtime(fp);
 		break;
 	}
 
@@ -1817,21 +1817,21 @@ static struct sk_filter *generate_filter(int which, int *err)
 	return fp;
 }
 
-static void release_filter(struct sk_filter *fp, int which)
+static void release_filter(struct bpf_prog *fp, int which)
 {
 	__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
 
 	switch (test_type) {
 	case CLASSIC:
-		sk_unattached_filter_destroy(fp);
+		bpf_prog_destroy(fp);
 		break;
 	case INTERNAL:
-		sk_filter_free(fp);
+		bpf_prog_free(fp);
 		break;
 	}
 }
 
-static int __run_one(const struct sk_filter *fp, const void *data,
+static int __run_one(const struct bpf_prog *fp, const void *data,
 		     int runs, u64 *duration)
 {
 	u64 start, finish;
@@ -1840,7 +1840,7 @@ static int __run_one(const struct sk_filter *fp, const void *data,
 	start = ktime_to_us(ktime_get());
 
 	for (i = 0; i < runs; i++)
-		ret = SK_RUN_FILTER(fp, data);
+		ret = BPF_PROG_RUN(fp, data);
 
 	finish = ktime_to_us(ktime_get());
 
@@ -1850,7 +1850,7 @@ static int __run_one(const struct sk_filter *fp, const void *data,
 	return ret;
 }
 
-static int run_one(const struct sk_filter *fp, struct bpf_test *test)
+static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
 {
 	int err_cnt = 0, i, runs = MAX_TESTRUNS;
 
@@ -1884,7 +1884,7 @@ static __init int test_bpf(void)
 	int i, err_cnt = 0, pass_cnt = 0;
 
 	for (i = 0; i < ARRAY_SIZE(tests); i++) {
-		struct sk_filter *fp;
+		struct bpf_prog *fp;
 		int err;
 
 		pr_info("#%d %s ", i, tests[i].descr);