mptcp: allocate TX skbs in msk context

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Move the TX skbs allocation in mptcp_sendmsg() scope,
and tentatively pre-allocate a skbs number proportional
to the sendmsg() length.

Use the ssk tx skb cache to prevent the subflow allocation.

This allows removing the msk skb extension cache and will
make possible the later patches.

Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Paolo Abeni 2020-11-27 11:10:25 +01:00 • committed by Jakub Kicinski

parent 879526030c

commit 724cfd2ee8

2 changed files with 210 additions and 42 deletions

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248

net/mptcp/protocol.c

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4

net/mptcp/protocol.h

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