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3e28f8ad47
Convert SFQ to use the new qdisc-specific drop reason infrastructure. This patch demonstrates how to convert a flow-based qdisc to use the new enum qdisc_drop_reason. As part of this conversion: - Add QDISC_DROP_MAXFLOWS for flow table exhaustion - Rename FQ_FLOW_LIMIT to generic FLOW_LIMIT, now shared by FQ and SFQ - Use QDISC_DROP_OVERLIMIT for sfq_drop() when overall limit exceeded - Use QDISC_DROP_FLOW_LIMIT for per-flow depth limit exceeded The FLOW_LIMIT reason is now a common drop reason for per-flow limits, applicable to both FQ and SFQ qdiscs. Signed-off-by: Jesper Dangaard Brouer <hawk@kernel.org> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://patch.msgid.link/177211345946.3011628.12770616071857185664.stgit@firesoul Signed-off-by: Jakub Kicinski <kuba@kernel.org>