diff options
| author | 2016-12-17 20:17:04 -0800 | |
|---|---|---|
| committer | 2016-12-17 20:17:04 -0800 | |
| commit | 52f40e9d657cc126b766304a5dd58ad73b02ff46 (patch) | |
| tree | 7cbc22b9a89fe41103e6a61a52b7f9c71ef5ba43 /include/linux/filter.h | |
| parent | Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs (diff) | |
| parent | net: mv643xx_eth: fix build failure (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes and cleanups from David Miller:
1) Revert bogus nla_ok() change, from Alexey Dobriyan.
2) Various bpf validator fixes from Daniel Borkmann.
3) Add some necessary SET_NETDEV_DEV() calls to hsis_femac and hip04
drivers, from Dongpo Li.
4) Several ethtool ksettings conversions from Philippe Reynes.
5) Fix bugs in inet port management wrt. soreuseport, from Tom Herbert.
6) XDP support for virtio_net, from John Fastabend.
7) Fix NAT handling within a vrf, from David Ahern.
8) Endianness fixes in dpaa_eth driver, from Claudiu Manoil
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (63 commits)
net: mv643xx_eth: fix build failure
isdn: Constify some function parameters
mlxsw: spectrum: Mark split ports as such
cgroup: Fix CGROUP_BPF config
qed: fix old-style function definition
net: ipv6: check route protocol when deleting routes
r6040: move spinlock in r6040_close as SOFTIRQ-unsafe lock order detected
irda: w83977af_ir: cleanup an indent issue
net: sfc: use new api ethtool_{get|set}_link_ksettings
net: davicom: dm9000: use new api ethtool_{get|set}_link_ksettings
net: cirrus: ep93xx: use new api ethtool_{get|set}_link_ksettings
net: chelsio: cxgb3: use new api ethtool_{get|set}_link_ksettings
net: chelsio: cxgb2: use new api ethtool_{get|set}_link_ksettings
bpf: fix mark_reg_unknown_value for spilled regs on map value marking
bpf: fix overflow in prog accounting
bpf: dynamically allocate digest scratch buffer
gtp: Fix initialization of Flags octet in GTPv1 header
gtp: gtp_check_src_ms_ipv4() always return success
net/x25: use designated initializers
isdn: use designated initializers
...
Diffstat (limited to 'include/linux/filter.h')
| -rw-r--r-- | include/linux/filter.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index 6a1658308612..702314253797 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -57,9 +57,6 @@ struct bpf_prog_aux; /* BPF program can access up to 512 bytes of stack space. */ #define MAX_BPF_STACK 512 -/* Maximum BPF program size in bytes. */ -#define MAX_BPF_SIZE (BPF_MAXINSNS * sizeof(struct bpf_insn)) - /* Helper macros for filter block array initializers. */ /* ALU ops on registers, bpf_add|sub|...: dst_reg += src_reg */ @@ -517,6 +514,17 @@ static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog, return BPF_PROG_RUN(prog, xdp); } +static inline u32 bpf_prog_insn_size(const struct bpf_prog *prog) +{ + return prog->len * sizeof(struct bpf_insn); +} + +static inline u32 bpf_prog_digest_scratch_size(const struct bpf_prog *prog) +{ + return round_up(bpf_prog_insn_size(prog) + + sizeof(__be64) + 1, SHA_MESSAGE_BYTES); +} + static inline unsigned int bpf_prog_size(unsigned int proglen) { return max(sizeof(struct bpf_prog), @@ -602,6 +610,7 @@ bool bpf_helper_changes_pkt_data(void *func); struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off, const struct bpf_insn *patch, u32 len); void bpf_warn_invalid_xdp_action(u32 act); +void bpf_warn_invalid_xdp_buffer(void); #ifdef CONFIG_BPF_JIT extern int bpf_jit_enable; |
