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The behaviour of NET_CLS_POLICE for TC_POLICE_RECLASSIFY was to return it to the qdisc, which could handle it internally or ignore it. With NET_CLS_ACT however, tc_classify starts over at the first classifier and never returns it to the qdisc. This makes it impossible to support qdisc-internal reclassification, which in turn makes it impossible to remove the old NET_CLS_POLICE code without breaking compatibility since we have two qdiscs (CBQ and ATM) that support this. This patch adds a tc_classify_compat function that handles reclassification the old way and changes CBQ and ATM to use it. This again is of course not fully backwards compatible with the previous NET_CLS_ACT behaviour. Unfortunately there is no way to fully maintain compatibility *and* support qdisc internal reclassification with NET_CLS_ACT, but this seems like the better choice over keeping the two incompatible options around forever. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> |
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act_api.c | ||
act_gact.c | ||
act_ipt.c | ||
act_mirred.c | ||
act_pedit.c | ||
act_police.c | ||
act_simple.c | ||
cls_api.c | ||
cls_basic.c | ||
cls_fw.c | ||
cls_route.c | ||
cls_rsvp.c | ||
cls_rsvp.h | ||
cls_rsvp6.c | ||
cls_tcindex.c | ||
cls_u32.c | ||
em_cmp.c | ||
em_meta.c | ||
em_nbyte.c | ||
em_text.c | ||
em_u32.c | ||
ematch.c | ||
Kconfig | ||
Makefile | ||
sch_api.c | ||
sch_atm.c | ||
sch_blackhole.c | ||
sch_cbq.c | ||
sch_dsmark.c | ||
sch_fifo.c | ||
sch_generic.c | ||
sch_gred.c | ||
sch_hfsc.c | ||
sch_htb.c | ||
sch_ingress.c | ||
sch_netem.c | ||
sch_prio.c | ||
sch_red.c | ||
sch_sfq.c | ||
sch_tbf.c | ||
sch_teql.c |