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bpf: remove old offload/analyzer

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Thanks to the ability to load a program for a specific device,
running verifier twice is no longer needed.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski
2017-11-03 13:56:30 -07:00
committed by David S. Miller
parent c6c580d7bc
commit b37a530613
3 changed files with 0 additions and 122 deletions
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42
net/core/filter.c
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@@ -3777,25 +3777,6 @@ static bool tc_cls_act_is_valid_access(int off, int size,
return bpf_skb_is_valid_access(off, size, type, info);
}
static bool
tc_cls_act_is_valid_access_analyzer(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
switch (off) {
case offsetof(struct sk_buff, len):
return true;
case offsetof(struct sk_buff, data):
info->reg_type = PTR_TO_PACKET;
return true;
case offsetof(struct sk_buff, cb) +
offsetof(struct bpf_skb_data_end, data_end):
info->reg_type = PTR_TO_PACKET_END;
return true;
}
return false;
}
static bool __is_valid_xdp_access(int off, int size)
{
if (off < 0 || off >= sizeof(struct xdp_md))
@@ -3830,21 +3811,6 @@ static bool xdp_is_valid_access(int off, int size,
return __is_valid_xdp_access(off, size);
}
static bool xdp_is_valid_access_analyzer(int off, int size,
enum bpf_access_type type,
struct bpf_insn_access_aux *info)
{
switch (off) {
case offsetof(struct xdp_buff, data):
info->reg_type = PTR_TO_PACKET;
return true;
case offsetof(struct xdp_buff, data_end):
info->reg_type = PTR_TO_PACKET_END;
return true;
}
return false;
}
void bpf_warn_invalid_xdp_action(u32 act)
{
const u32 act_max = XDP_REDIRECT;
@@ -4516,10 +4482,6 @@ const struct bpf_verifier_ops tc_cls_act_verifier_ops = {
.gen_prologue = tc_cls_act_prologue,
};
const struct bpf_verifier_ops tc_cls_act_analyzer_ops = {
.is_valid_access = tc_cls_act_is_valid_access_analyzer,
};
const struct bpf_prog_ops tc_cls_act_prog_ops = {
.test_run = bpf_prog_test_run_skb,
};
@@ -4530,10 +4492,6 @@ const struct bpf_verifier_ops xdp_verifier_ops = {
.convert_ctx_access = xdp_convert_ctx_access,
};
const struct bpf_verifier_ops xdp_analyzer_ops = {
.is_valid_access = xdp_is_valid_access_analyzer,
};
const struct bpf_prog_ops xdp_prog_ops = {
.test_run = bpf_prog_test_run_xdp,
};