> From: Harry van Haaren <[email protected]> > > This commit moves the datapath lookup functions required for > hardware offload to a separate file. This allows other DPIF > implementations to access the lookup functions, encouraging > code reuse. > > Signed-off-by: Harry van Haaren <[email protected]>
Hi Harry/Cian, in general this looks ok to me. Would be interested to seek others opinions on the refactor just so that they are aware as well. One or two minor comments below? > --- > lib/automake.mk | 1 + > lib/dpif-netdev-private-hwol.h | 63 ++++++++++++++++++++++++++++++++++ > lib/dpif-netdev.c | 39 ++------------------- > 3 files changed, 67 insertions(+), 36 deletions(-) > create mode 100644 lib/dpif-netdev-private-hwol.h > > diff --git a/lib/automake.mk b/lib/automake.mk > index 9fa8712c3..0bef0cc69 100644 > --- a/lib/automake.mk > +++ b/lib/automake.mk > @@ -114,6 +114,7 @@ lib_libopenvswitch_la_SOURCES = \ > lib/dpif-netdev-private-dfc.h \ > lib/dpif-netdev-private-dpcls.h \ > lib/dpif-netdev-private-flow.h \ > + lib/dpif-netdev-private-hwol.h \ > lib/dpif-netdev-private-thread.h \ > lib/dpif-netdev-private.h \ > lib/dpif-netdev-perf.c \ > diff --git a/lib/dpif-netdev-private-hwol.h b/lib/dpif-netdev-private-hwol.h > new file mode 100644 > index 000000000..b93297a74 > --- /dev/null > +++ b/lib/dpif-netdev-private-hwol.h > @@ -0,0 +1,63 @@ > +/* > + * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2015 Nicira, Inc. > + * Copyright (c) 2021 Intel Corporation. > + * > + * Licensed under the Apache License, Version 2.0 (the "License"); > + * you may not use this file except in compliance with the License. > + * You may obtain a copy of the License at: > + * > + * http://www.apache.org/licenses/LICENSE-2.0 > + * > + * Unless required by applicable law or agreed to in writing, software > + * distributed under the License is distributed on an "AS IS" BASIS, > + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or > implied. > + * See the License for the specific language governing permissions and > + * limitations under the License. > + */ > + > +#ifndef DPIF_NETDEV_PRIVATE_HWOL_H > +#define DPIF_NETDEV_PRIVATE_HWOL_H 1 > + > +#include "dpif-netdev-private-flow.h" > + > +#define MAX_FLOW_MARK (UINT32_MAX - 1) > +#define INVALID_FLOW_MARK 0 > +/* Zero flow mark is used to indicate the HW to remove the mark. A packet > + * marked with zero mark is received in SW without a mark at all, so it > + * cannot be used as a valid mark. > + */ > + > +struct megaflow_to_mark_data { > + const struct cmap_node node; > + ovs_u128 mega_ufid; > + uint32_t mark; > +}; > + > +struct flow_mark { > + struct cmap megaflow_to_mark; > + struct cmap mark_to_flow; > + struct id_pool *pool; > +}; > + > +/* allocated in dpif-netdev.c */ > +extern struct flow_mark flow_mark; > + > +static inline struct dp_netdev_flow * > +mark_to_flow_find(const struct dp_netdev_pmd_thread *pmd, > + const uint32_t mark) > +{ > + struct dp_netdev_flow *flow; > + > + CMAP_FOR_EACH_WITH_HASH (flow, mark_node, hash_int(mark, 0), > + &flow_mark.mark_to_flow) { > + if (flow->mark == mark && flow->pmd_id == pmd->core_id && > + flow->dead == false) { > + return flow; > + } > + } > + > + return NULL; > +} > + > + > +#endif /* dpif-netdev-private-hwol.h */ > diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c > index 298bfe444..88f37c505 100644 > --- a/lib/dpif-netdev.c > +++ b/lib/dpif-netdev.c > @@ -84,6 +84,8 @@ > #include "util.h" > #include "uuid.h" > > +#include "dpif-netdev-private-hwol.h" Should this not be added above were dpif-netdev-private-dfc.h etc. are also added? BR Ian > + > VLOG_DEFINE_THIS_MODULE(dpif_netdev); > > /* Auto Load Balancing Defaults */ > @@ -1954,26 +1956,8 @@ dp_netdev_pmd_find_dpcls(struct > dp_netdev_pmd_thread *pmd, > return cls; > } > > -#define MAX_FLOW_MARK (UINT32_MAX - 1) > -#define INVALID_FLOW_MARK 0 > -/* Zero flow mark is used to indicate the HW to remove the mark. A packet > - * marked with zero mark is received in SW without a mark at all, so it > - * cannot be used as a valid mark. > - */ > - > -struct megaflow_to_mark_data { > - const struct cmap_node node; > - ovs_u128 mega_ufid; > - uint32_t mark; > -}; > - > -struct flow_mark { > - struct cmap megaflow_to_mark; > - struct cmap mark_to_flow; > - struct id_pool *pool; > -}; > > -static struct flow_mark flow_mark = { > +struct flow_mark flow_mark = { > .megaflow_to_mark = CMAP_INITIALIZER, > .mark_to_flow = CMAP_INITIALIZER, > }; > @@ -2142,23 +2126,6 @@ flow_mark_flush(struct dp_netdev_pmd_thread > *pmd) > } > } > > -static struct dp_netdev_flow * > -mark_to_flow_find(const struct dp_netdev_pmd_thread *pmd, > - const uint32_t mark) > -{ > - struct dp_netdev_flow *flow; > - > - CMAP_FOR_EACH_WITH_HASH (flow, mark_node, hash_int(mark, 0), > - &flow_mark.mark_to_flow) { > - if (flow->mark == mark && flow->pmd_id == pmd->core_id && > - flow->dead == false) { > - return flow; > - } > - } > - > - return NULL; > -} > - > static struct dp_flow_offload_item * > dp_netdev_alloc_flow_offload(struct dp_netdev_pmd_thread *pmd, > struct dp_netdev_flow *flow, > -- > 2.31.1 > > _______________________________________________ > dev mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-dev _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
