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Change-Id: I0c3f2add35ad9fc11308b7a2a2c69ffd8472dd2e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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- Modify the API send_ip6_na and send_ip4_garp to take sw_if_index instead
of vnet_hw_interface_t and add call to build_ethernet_rewrite to support
subinterface/vlan
- Add code to bonding driver to send an event to bond_process when the first
interface becomes active or when the active interface is down
- Create a bond_process to walk the interface and the corresponding
subinterfaces to send garp/ip6_na when an event is received.
- Minor cleanup in bonding/node.c
Note: dpdk bonding driver does not send garp/ip6_na for subinterfaces. There is
no attempt to fix it here. But the infra is now done and should be easy to
add the support.
Change-Id: If3ecc4cd0fb3051330f7fa11ca0dab3e18557ce1
Signed-off-by: Steven <sluong@cisco.com>
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- hash is great. But it is a bit too slow for the DP. Use direct array indexing
to quickly retrieve the slave interface.
- the algorithm used by flow hash is great. But it is a bit too slow for the DP.
Use l2_hash_hash() extracted from lb_hash.h which ECMP is using. It makes use
of intrinsic crc32 instruction set.
- shortcut modulo arithmetic when the operand is 2**x (where x up to 4) to
avoid division instruction.
- special case for link count == 1 in bond_tx_fn()
- use clib_mem_unaligned to access data for the packet to avoid alignment error
- Fix some typos for packet tracing.
Change-Id: I8eae3ad497061c5473aa675ba894ee0211120d25
Signed-off-by: Steven <sluong@cisco.com>
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coverity complains about statements in function A
function A
{
x % vec_len (y)
}
because vec_len (y) is a macro and may return 0 if the pointer y is null.
But coverity fails to realize the same statement vec_len (y) was already
invoked and checked in the caller of function A and punt if vec_len (y) is 0.
We can fix the coverity warning and shave off a few cpu cycles by caching
the result of vec_len (y) and pass it around to avoid calling vec_len (y)
again in multiple places.
Change-Id: I095166373abd3af3859646f860ee97c52f12fb50
Signed-off-by: Steven <sluong@cisco.com>
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We were only puting one packet per frame to the output node. Change to
buffer multiple packets per frame. Performance is now on top of dpdk-based
bonding.
Put a spinlock in the tx thread in case the rug is pulled under us.
Change-Id: Ifda5af086a984a7301972cd6c8e428217f676a95
Signed-off-by: Steven <sluong@cisco.com>
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Add bonding driver to support creation of bond interface which composes of
multiple slave interfaces. The slave interfaces could be physical interfaces,
or just any virtual interfaces. For example, memif interfaces.
The syntax to create a bond interface is
create bond mode <lacp | xor | acitve-backup | broadcast | round-robin>
To enslave an interface to the bond interface,
enslave interface TenGigabitEthernet6/0/0 to BondEthernet0
Please see src/plugins/lacp/lacp_doc.md for more examples and additional
options.
LACP is a control plane protocol which manages and monitors the status of
the slave interfaces. The protocol is part of 802.3ad standard. This patch
implements LACPv1. LACPv2 is not supported.
To enable LACP on the bond interface, specify "mode lacp" when the bond
interface is created. The syntax to enslave a slave interface is the same as
other bonding modes.
Change-Id: I06581d3b87635972f9f0e1ec50b67560fc13e26c
Signed-off-by: Steven <sluong@cisco.com>
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Damjan Marion
Steven