On 7/12/23 11:16, Paolo Valerio wrote:
> since a27d70a89 ("conntrack: add generic IP protocol support") all
> the unrecognized IP protocols get handled using ct_proto_other ops
> and are managed as L3 using 3 tuples.
>
> This patch stores L4 information for SCTP in the conn_key so that
> multiple conn instances, instead of one with ports zeroed, will be
> created when there are multiple SCTP connections between two hosts.
> It also performs crc32c check when not offloaded, and adds SCTP to
> pat_enabled.
>
> With this patch, given two SCTP association between two hosts,
> tracking the connection will result in:
>
> sctp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=55884,dport=5201),reply=(src=10.1.1.1,dst=10.1.1.2,sport=5201,dport=12345),zone=1
> sctp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=59874,dport=5202),reply=(src=10.1.1.1,dst=10.1.1.2,sport=5202,dport=12346),zone=1
>
> instead of:
>
> sctp,orig=(src=10.1.1.2,dst=10.1.1.1,sport=0,dport=0),reply=(src=10.1.1.1,dst=10.1.1.2,sport=0,dport=0),zone=1
>
> Signed-off-by: Paolo Valerio <[email protected]>
> ---
> v4
> - rebased on top of current master
> - test: turned graceful termination into ABORT.
> The graceful shutdown sequence could lead to failures because of a
> very small default timeout set for SHUTDOWN_SENT state.
> The proto state transition sequence for the kerneldp is now:
> protoinfo=(state=CLOSED,vtag_orig=0,vtag_reply=3431784816)
> protoinfo=(state=COOKIE_WAIT,vtag_orig=4204641061,vtag_reply=3431784816)
> protoinfo=(state=COOKIE_ECHOED,vtag_orig=4204641061,vtag_reply=3431784816)
> protoinfo=(state=ESTABLISHED,vtag_orig=4204641061,vtag_reply=3431784816)
> protoinfo=(state=ESTABLISHED,vtag_orig=4204641061,vtag_reply=3431784816)
> protoinfo=(state=ESTABLISHED,vtag_orig=4204641061,vtag_reply=3431784816)
> protoinfo=(state=CLOSED,vtag_orig=4204641061,vtag_reply=3431784816)
This version seems to work fine.
I added a NEWS entry and applied the change.
Thanks!
Best regards, Ilya Maximets.
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