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Signed-off-by: sarita patra <saritap@vmware.com>
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Increment pim_ifstat_assert_send only when interface is
passive disabled.
Signed-off-by: sarita patra <saritap@vmware.com>
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This is causing build issues on BSD by including (transitively)
`linux/mroute6.h` - try to address by disentangling the headers a bunch.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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pimd: assert fixes
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Problem:
Once Assert election is over and winner is elected, the downstream router has to prune from the upstream LOSER if it has joined already and have to join with upstream elected WINNER
pim_rpf_update function takes care of changing the rpf_ch if the
existing one is PIM_IFASSERT_I_AM_LOSER
Signed-off-by: plsaranya <Saranya_Panjarathina@dell.com>
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Lots of passing src/dst around, but it is what it is.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The int return value is never used. Modify the code
base to just return a void instead.
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Since `pim_sgaddr` is `pim_addr` now, that causes a whole lot of fallout
anywhere S,G pairs are handled.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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More proliferation of pim_addr to work towards IPV6.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Only pim_sgaddr uses are covered by this since regular in_addr is still
used for singular addresses, so only a part of pim_inet4_dump calls are
gone with this.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Mostly just 2 sed calls:
- `sed -e 's%struct prefix_sg%pim_sgaddr%g'`
- `sed -e 's%memset(&sg, 0, sizeof(pim_sgaddr));%memset(\&sg, 0, sizeof(sg));%g'`
Plus a bunch of fixing whatever that broke.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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This change is to accomodate IPv6 and IPv4 in the same code.
Based on pimd or pim6d, this will be compiled.
Reviewed-by: Sarita Patra <saritap@vmware.com>
Signed-off-by: Mobashshera Rasool <mrasool@vmware.com>
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Changed struct in_addr ifassert_winner to pim_addr
which will be used in both IPv4 and IPv6(Both MLD and IGMP).
Reviewed-by: Sarita Patra <saritap@vmware.com>
Signed-off-by: Mobashshera Rasool <mrasool@vmware.com>
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No point in having pimd use zassert() while everything else uses plain
assert().
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Just keep the code cool.
Signed-off-by: Donatas Abraitis <donatas.abraitis@gmail.com>
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The Pim RFC does not appear to state any length requirements
of pim, other than the checksum must be correct.
Certain vendors are sending extra data at the end of a pim assert
message. This while not explicitly against the rules was a bit
of surprise to pim when we threw the assert message on the floor
for being too long.
Modify the test to see if length left will allow us to read
the 8 bytes of data that we need. If it is sufficient for
that allow the packet to be used.
Fixes: #4957
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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There is no need to check for ALLOC function failures
in the code base. If we cannot get more memory we
assert.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This commit includes parsing of Nbit and contructing pim hdr with Nbit
Adding Nbit to PIm hdr structure
Adding Scope zone bit and Bidir bit to Encoded IPv4 Group Address
Signed-off-by: Saravanan K <saravanank@vmware.com>
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Create a `struct pim_router` and move the thread master into it.
Future commits will further move global varaibles into the pim_router
structure.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Lou Berger <lberger@labn.net>
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When we receive a SGRPT Prune we were switching the upstream
to JOINED and immediately sending a join. This was not
the right thing to do.
This was happening because we were making decisions about the
new ifchannel before it was fully formed.
Rework ifchannel startup to provide enough information to
the pim upstream data structure to make the right decisions
Ticket: CM-16425
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Move the upstream_list, hash and wheel into 'struct pim_instance'
Remove all pimg to pim in pim_upstream
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This reverts commit c14777c6bfd0a446c85243d3a9835054a259c276.
clang 5 is not widely available enough for people to indent with. This
is particularly problematic when rebasing/adjusting branches.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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w/ clang 5
* reflow comments
* struct members go 1 per line
* binpack algo was adjusted
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The way thread.c is written, a caller who wishes to be able to cancel a
thread or avoid scheduling it twice must keep a reference to the thread.
Typically this is done with a long lived pointer whose value is checked
for null in order to know if the thread is currently scheduled. The
check-and-schedule idiom is so common that several wrapper macros in
thread.h existed solely to provide it.
This patch removes those macros and adds a new parameter to all
thread_add_* functions which is a pointer to the struct thread * to
store the result of a scheduling call. If the value passed is non-null,
the thread will only be scheduled if the value is null. This helps with
consistency.
A Coccinelle spatch has been used to transform code of the form:
if (t == NULL)
t = thread_add_* (...)
to the form
thread_add_* (..., &t)
The THREAD_ON macros have also been transformed to the underlying
thread.c calls.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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For all pim enabled interfaces and single pim enable interface command.
Clear command to clear protocol counters stats.
'show ip pim interface traffic {WORD} {json}'
'clear ip pim interface traffic'
Testing Done: bringup Pim configuration and form RPT and SPT and check
show ip pim interface traffic command output,
perform clear form of interface traffic command and
verified all counters reset via show form of command.
tor-21# show ip pim interface traffic swp2
Interface HELLO JOIN PRUNE REGISTER REGISTER-STOP ASSERT
Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx
---------------------------------------------------------------------------------------------------------------
swp2 22/22 0/10 0/0 0/0 0/0 0/0
leaf-22# show ip pim interface traffic swp3
Interface HELLO JOIN PRUNE REGISTER REGISTER-STOP ASSERT
Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx
---------------------------------------------------------------------------------------------------------------
swp3 23/22 10/0 0/0 0/0 0/0 0/0
spine-1#show ip pim interface traffic
Interface HELLO JOIN PRUNE REGISTER REGISTER-STOP ASSERT
Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx Rx/Tx
---------------------------------------------------------------------------------------------------------------
br1 0/1 0/0 0/0 0/0 0/0 0/0
lo 0/0 0/0 0/0 0/0 0/0 0/0
swp1 0/1 0/0 0/0 0/0 0/0 0/0
swp2 0/1 0/0 0/0 0/0 0/0 0/0
Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
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For:
pim_msg_build_header
pim_msg_addr_encode_ipv4_ucast
pim_msg_addr_encode_ipv4_group
pim_msg_addr_encode_ipv4_source
Assume that the buffer size passed in is of sufficient size
already. This is assured already because buffer sizes
are checked for minimum lengths for the entire packet
ahead of time. So we are double checking.
Additionally at scale we will be calling these functions
a very very large number of times.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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When we encounter an error in the state machine
for an individual ifchannel, do not bring the entirety
of the pim daemon down. Notice the issue and continue
on.
Ticket-CM-13939
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Debugs are extremely expensive currently. Let's
store 'struct prefix_sg sg' string format in
the ifchannel, upstream and msdp_sa structures.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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When we handle the thread arguments,
there is no need to assert. As that
if they are wrong, we are going down
shortly anyways.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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When we called pim_parse_addr_group, don't reinitialize
the 'struct prefix_sg' *after* we've parsed the group.
Ensure in other places that we do this work, we initialize
prior as well.
Ticket: CM-13510
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Modify the pim_parse_addr_group to use 'struct prefix_sg sg'.
This is the first of 2 commits to clean up this parsing to
be a bit better.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Daniel Walton <dwalton@cumulusnetworks.com>
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When we do a RPF lookup return a path that we have
neighbors for in those cases where we need to have
a neighbor to pass along the SG state via a pim
join/prune message.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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When sending register packets to the RP from the FHR
we should be using the ip address of the incoming interface
that received the mcast packet.
Ticket: CM-12445
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Fix the struct prefix to be an actual struct prefix_sg.
This cleans up a bunch of code to make it look nicer.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Convert more of the code to pass around a 'struct prefix sg'
instead of individual struct addr's.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Convert ifchannel to use a prefix to store (s,g) information.
Additionally create pim_str_sg_dump function to output
data when using debugs.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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pimd uses allot of 0's to represent NULL. Not a good
programming practice.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Some encode/decode functions are needed in multiple places.
Start the refactoring to be able to use them in a more generic
manner.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Allow pim to separate out the pim vif index from the ifindex.
This change will allow pim to work with up to 255(MAXVIFS)
interfaces, while also allowing the interface ifindex to
be whatever number it needs to be.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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