Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
926 B
C
45 lines
926 B
C
// SPDX-License-Identifier: GPL-2.0
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#ifndef __NETCNT_COMMON_H
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#define __NETCNT_COMMON_H
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#include <linux/types.h>
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#define MAX_PERCPU_PACKETS 32
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/* sizeof(struct bpf_local_storage_elem):
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*
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* It is about 128 bytes on x86_64 and 512 bytes on s390x, but allocate more to
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* account for possible layout changes, different architectures, etc.
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* The kernel will wrap up to PAGE_SIZE internally anyway.
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*/
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#define SIZEOF_BPF_LOCAL_STORAGE_ELEM 768
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/* Try to estimate kernel's BPF_LOCAL_STORAGE_MAX_VALUE_SIZE: */
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#define BPF_LOCAL_STORAGE_MAX_VALUE_SIZE (0xFFFF - \
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SIZEOF_BPF_LOCAL_STORAGE_ELEM)
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#define PCPU_MIN_UNIT_SIZE 32768
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union percpu_net_cnt {
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struct {
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__u64 packets;
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__u64 bytes;
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__u64 prev_ts;
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__u64 prev_packets;
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__u64 prev_bytes;
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};
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__u8 data[PCPU_MIN_UNIT_SIZE];
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};
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union net_cnt {
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struct {
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__u64 packets;
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__u64 bytes;
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};
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__u8 data[BPF_LOCAL_STORAGE_MAX_VALUE_SIZE];
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};
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#endif
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