rxrpc: Do lazy DF flag resetting

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Don't reset the DF flag after transmission, but rather set it when needed
since it should be a fast op now that we call IP directly.

This includes turning it off for RESPONSE packets and, for the moment, ACK
packets.  In future, we will need to turn it on for ACK packets used to do
path MTU discovery.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: "David S. Miller" <davem@davemloft.net>
cc: Eric Dumazet <edumazet@google.com>
cc: Jakub Kicinski <kuba@kernel.org>
cc: Paolo Abeni <pabeni@redhat.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org

...

This commit is contained in:

David Howells 2024-01-29 22:38:31 +00:00

parent 693f9c13ec

commit d32636982c

2 changed files with 2 additions and 3 deletions

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4

net/rxrpc/output.c

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1

net/rxrpc/rxkad.c

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