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authorPieter Jansen van Vuuren2018-03-26 10:16:38 +0200
committerDavid S. Miller2018-03-26 19:01:09 +0200
commit71ea5343a01cad36d7c44bea07a79dd96049e6c0 (patch)
tree2cb0f421ad2fbba42030a44d4b2c67cf63d47b0c /drivers/net/ethernet/netronome/nfp/flower/match.c
parentnfp: flower: refactor shared ip header in match offload (diff)
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nfp: flower: implement ip fragmentation match offload
Implement ip fragmentation match offloading for both IPv4 and IPv6. Allows offloading frag, nofrag, first and nofirstfrag classification. Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/match.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/flower/match.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 26110670ba13..91935405f586 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -190,6 +190,18 @@ nfp_flower_compile_ip_ext(struct nfp_flower_ip_ext *frame,
if (tcp_flags & TCPHDR_URG)
frame->flags |= NFP_FL_TCP_FLAG_URG;
}
+
+ if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
+ struct flow_dissector_key_control *key;
+
+ key = skb_flow_dissector_target(flow->dissector,
+ FLOW_DISSECTOR_KEY_CONTROL,
+ target);
+ if (key->flags & FLOW_DIS_IS_FRAGMENT)
+ frame->flags |= NFP_FL_IP_FRAGMENTED;
+ if (key->flags & FLOW_DIS_FIRST_FRAG)
+ frame->flags |= NFP_FL_IP_FRAG_FIRST;
+ }
}
static void