bpf: Add MTU check to fib lookup helper
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b4 am [email protected]Versions newest first
- v1 Latest3 patches 3 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | net/ipv4: Add helper to return path MTU based on fib resultinclude/ net/ | +33 | 0 replies | |
| 2/3 | net/ipv6: Add helper to return path MTU based on fib resultinclude/ include/ net/ | +57 | 0 replies | |
| 3/3 | bpf: Add mtu checking to FIB forwarding helpernet/ | +10 | 3 replies |
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Cover letter [PATCH bpf-next 0/3] bpf: Add MTU check to fib lookup helper
Packets that exceed the egress MTU can not be forwarded in the fast path. Add IPv4 and IPv6 MTU helpers that take a FIB lookup result (versus the typical dst path) and add the calls to bpf_ipv{4,6}_fib_lookup.
David Ahern (3):
net/ipv4: Add helper to return path MTU based on fib result net/ipv6: Add helper to return path MTU based on fib result
bpf: Add mtu checking to FIB forwarding helper
include/net/ip6_fib.h | 6 ++++++ include/net/ip6_route.h | 3 +++ include/net/ip_fib.h | 2 ++ net/core/filter.c | 10 ++++++++++ net/ipv4/route.c | 31 +++++++++++++++++++++++++++++++ net/ipv6/route.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 6 files changed, 100 insertions(+)
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2.11.0