From 352ea0c4931b54012ce8d55634e3dd3f6ee6802b Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Tue, 14 Nov 2017 11:04:28 -0800 Subject: VOM: interface RD update reconfigures L3 bindings Change-Id: I273e1ea28c3c146e4a88d031c790c1cc56dccf00 Signed-off-by: Neale Ranns --- src/vpp-api/vom/interface.cpp | 50 ++++++++++++++++++++++++++++++++---------- src/vpp-api/vom/interface.hpp | 4 ++-- src/vpp-api/vom/l3_binding.cpp | 24 ++++++++++++++++++-- src/vpp-api/vom/l3_binding.hpp | 25 ++++++++++++++++----- 4 files changed, 82 insertions(+), 21 deletions(-) (limited to 'src') diff --git a/src/vpp-api/vom/interface.cpp b/src/vpp-api/vom/interface.cpp index 8e270136d8b..1c9f20d2a5d 100644 --- a/src/vpp-api/vom/interface.cpp +++ b/src/vpp-api/vom/interface.cpp @@ -149,7 +149,7 @@ interface::cend() void interface::sweep() { - if (m_table_id) { + if (m_table_id && (m_table_id.data() != route::DEFAULT_TABLE)) { m_table_id.data() = route::DEFAULT_TABLE; HW::enqueue( new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl)); @@ -181,7 +181,7 @@ interface::replay() HW::enqueue(new interface_cmds::state_change_cmd(m_state, m_hdl)); } - if (m_table_id) { + if (m_table_id && (m_table_id.data() != route::DEFAULT_TABLE)) { HW::enqueue( new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl)); HW::enqueue( @@ -267,32 +267,58 @@ void interface::update(const interface& desired) { /* - * the desired state is always that the interface should be created - */ + * the desired state is always that the interface should be created + */ if (rc_t::OK != m_hdl.rc()) { std::queue cmds; HW::enqueue(mk_create_cmd(cmds)); } /* - * change the interface state to that which is deisred - */ + * change the interface state to that which is deisred + */ if (m_state.update(desired.m_state)) { HW::enqueue(new interface_cmds::state_change_cmd(m_state, m_hdl)); } /* - * change the interface state to that which is deisred - */ + * change the interface state to that which is deisred + */ if (m_l2_address.update(desired.m_l2_address)) { HW::enqueue(new interface_cmds::set_mac_cmd(m_l2_address, m_hdl)); } /* - * If the interface is mapped into a route domain, set VPP's - * table ID - */ - if (!m_table_id && m_rd) { + * If the interface is mapped into a route domain, set VPP's + * table ID + */ + if (m_rd != desired.m_rd) { + /* + * changing route domains. need to remove all L3 bindings, swap the table + * then reapply the bindings. + */ + auto it = l3_binding::cbegin(); + + while (it != l3_binding::cend()) { + if (it->second.lock()->itf().key() == key()) + it->second.lock()->sweep(); + ++it; + } + m_rd = desired.m_rd; + m_table_id.update(m_rd ? m_rd->table_id() : route::DEFAULT_TABLE); + HW::enqueue( + new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl)); + HW::enqueue( + new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV6, m_hdl)); + HW::write(); + + it = l3_binding::cbegin(); + while (it != l3_binding::cend()) { + if (it->second.lock()->itf().key() == key()) + it->second.lock()->replay(); //(*it->second.lock()); + ++it; + } + } else if (!m_table_id && m_rd) { HW::enqueue( new interface_cmds::set_table_cmd(m_table_id, l3_proto_t::IPV4, m_hdl)); HW::enqueue( diff --git a/src/vpp-api/vom/interface.hpp b/src/vpp-api/vom/interface.hpp index 6fdd1e1eb62..f11e3591a44 100644 --- a/src/vpp-api/vom/interface.hpp +++ b/src/vpp-api/vom/interface.hpp @@ -540,9 +540,9 @@ private: /** * shared pointer to the routeDoamin the interface is in. - * NULL is not mapped - i.e. in eht default table + * NULL is not mapped - i.e. in the default table */ - const std::shared_ptr m_rd; + std::shared_ptr m_rd; /** * The state of the interface diff --git a/src/vpp-api/vom/l3_binding.cpp b/src/vpp-api/vom/l3_binding.cpp index 8bc7c7c3af3..8f90d45eec4 100644 --- a/src/vpp-api/vom/l3_binding.cpp +++ b/src/vpp-api/vom/l3_binding.cpp @@ -71,6 +71,24 @@ l3_binding::prefix() const return (m_pfx); } +const interface& +l3_binding::itf() const +{ + return (*m_itf); +} + +l3_binding::const_iterator_t +l3_binding::cbegin() +{ + return m_db.cbegin(); +} + +l3_binding::const_iterator_t +l3_binding::cend() +{ + return m_db.cend(); +} + std::string l3_binding::to_string() const { @@ -85,8 +103,10 @@ void l3_binding::update(const l3_binding& desired) { /* - * the desired state is always that the interface should be created - */ + * no updates for the binding. chaning the interface or the prefix is a change + * to the + * key, hence a new object + */ if (!m_binding) { HW::enqueue( new l3_binding_cmds::bind_cmd(m_binding, m_itf->handle(), m_pfx)); diff --git a/src/vpp-api/vom/l3_binding.hpp b/src/vpp-api/vom/l3_binding.hpp index d94ff696b23..4403760180e 100644 --- a/src/vpp-api/vom/l3_binding.hpp +++ b/src/vpp-api/vom/l3_binding.hpp @@ -45,6 +45,19 @@ public: */ ~l3_binding(); + /** + * The key type for l3_bindings + */ + typedef std::pair key_type_t; + + /** + * The iterator type + */ + typedef singular_db::const_iterator const_iterator_t; + + static const_iterator_t cbegin(); + static const_iterator_t cend(); + /** * Return the 'singular instance' of the L3-Config that matches this * object @@ -57,19 +70,19 @@ public: std::string to_string() const; /** - * Return the prefix associated with this L3config + * Return the prefix associated with this L3 binding */ const route::prefix_t& prefix() const; /** - * Dump all l3_bindings into the stream provided + * Return the interface associated with this L3 binding */ - static void dump(std::ostream& os); + const interface& itf() const; /** - * The key type for l3_bindings + * Dump all l3_bindings into the stream provided */ - typedef std::pair key_type_t; + static void dump(std::ostream& os); /** * Find an singular instance in the DB for the interface passed @@ -142,6 +155,8 @@ private: */ void replay(void); + friend class interface; + /** * A reference counting pointer the interface that this L3 layer * represents. By holding the reference here, we can guarantee that -- cgit 1.2.3-korg