net/sched: cls_flower: Add support to handle first frag as match field
Allow setting firstfrag as matching option in tc flower classifier. # tc filter add dev eth0 protocol ip parent ffff: \ flower indev eth0 \ ip_flags firstfrag action mirred egress redirect dev eth1 Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -475,6 +475,7 @@ enum {
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enum {
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TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT = (1 << 0),
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TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST = (1 << 1),
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};
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/* Match-all classifier */
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@ -511,6 +511,9 @@ static int fl_set_key_flags(struct nlattr **tb,
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fl_set_key_flag(key, mask, flags_key, flags_mask,
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TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT);
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fl_set_key_flag(key, mask, flags_key, flags_mask,
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TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST,
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FLOW_DIS_FIRST_FRAG);
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return 0;
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}
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@ -1130,6 +1133,9 @@ static int fl_dump_key_flags(struct sk_buff *skb, u32 flags_key, u32 flags_mask)
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fl_get_key_flag(flags_key, flags_mask, &key, &mask,
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TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT);
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fl_get_key_flag(flags_key, flags_mask, &key, &mask,
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TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST,
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FLOW_DIS_FIRST_FRAG);
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_key = cpu_to_be32(key);
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_mask = cpu_to_be32(mask);
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