Displaying 3 results from an estimated 3 matches for "_entries".
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2023 Oct 18
3
[Bridge] [PATCH iproute2-next v5] iplink: bridge: Add support for bridge FDB learning limits
...commit
ddd1ad68826d ("net: bridge: Add netlink knobs for number / max learned
FDB entries").
---
Changes in v5:
- Removed the RFC status again, as the kernel changes landed.
- Link to v4: https://lore.kernel.org/r/20230919-fdb_limit-v4-1-b4d2dc4df30f at avm.de
Changes in v4:
- Removed _entries from the names. (from review)
- Removed the UAPI change, to be synced from linux separately by the
maintainer. (from review)
For local testing e.g. `make CCOPTS="-O2 -pipe
-I${path_to_dev_kernel_headers}"` works as a workaround.
- Downgraded to an RFC until the kernel changes l...
2023 Jun 19
4
[Bridge] [PATCH net-next v2 0/3, iproute2-next 0/1] bridge: Add a limit on learned FDB entries
...ARN but none of the other two,
e.g. ones added by SWITCHDEV_FDB_ADD_TO_BRIDGE.
v1: https://lore.kernel.org/netdev/20230515085046.4457-1-jnixdorf-oss at avm.de/
Changes since v1:
- Added BR_FDB_ADDED_BY_USER earlier in fdb_add_entry to ensure the
limit is not applied.
- Do not initialize fdb_*_entries to 0. (from review)
- Do not skip decrementing on 0. (from review)
- Moved the counters to a conditional hole in struct net_bridge to
avoid growing the struct. (from review, it still grows the struct as
there are 2 32-bit values)
- Add IFLA_BR_FDB_CUR_LEARNED_ENTRIES (from review)
- Fix b...
2023 Jun 19
2
[Bridge] [PATCH net-next v2 2/3] bridge: Add a limit on learned FDB entries
...to 2^31. Each entry is of the type struct
net_bridge_fdb_entry, which is currently 128 bytes big. This means the
maximum amount of memory allocated for FDB entries is 2^31 * 128B =
256GiB, which is too much for most computers.
Mitigate this by adding a bridge netlink setting
IFLA_BR_FDB_MAX_LEARNED_ENTRIES, which, if nonzero, limits the amount
of learned entries to a user specified maximum.
For backwards compatibility the default setting of 0 disables the limit.
User-added entries by netlink or from bridge or bridge port addresses
are never blocked and do not count towards that limit.
All changes...