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bgpd: backpressure - fix evpn route sync to zebra #16234

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merged 1 commit into from
Jun 20, 2024

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In scaled EVPN + ipv4/ipv6 uni route sync to zebra, some of the ipv4/ipv6 routes skipped re installation
due to incorrect local variable's stale value.
Once the local variable value reset in each loop iteration all skipped routes synced to zebra properly.

Signed-off-by: Rajasekar Raja [email protected]
Signed-off-by: Chirag Shah [email protected]

bgpd/bgp_zebra.c Outdated Show resolved Hide resolved
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looks good ... waiting on @ton31337 's comment

In scaled EVPN + ipv4/ipv6 uni route sync to zebra,
some of the ipv4/ipv6 routes skipped reinstallation
due to incorrect local variable's stale value.

Once the local variable value reset in each loop
iteration all skipped routes synced to zebra properly.

Ticket: #3948828

Signed-off-by: Rajasekar Raja <[email protected]>
Signed-off-by: Chirag Shah <[email protected]>
@chiragshah6 chiragshah6 requested a review from ton31337 June 19, 2024 13:56
@ton31337 ton31337 merged commit 994792b into FRRouting:master Jun 20, 2024
10 checks passed
lguohan pushed a commit to sonic-net/sonic-buildimage that referenced this pull request Aug 6, 2024
…rns (#19717)

Added the below patches which are part of BGP Zebra back pressure feature required to keep the memory usage in check during route churns

How I did it
New patches that were added:

Patch	FRR Pull request
0030-zebra-backpressure-Zebra-push-back-on-Buffer-Stream-.patch	FRRouting/frr#15411
0031-bgpd-backpressure-Add-a-typesafe-list-for-Zebra-Anno.patch	FRRouting/frr#15524
0032-bgpd-fix-flushing-ipv6-flowspec-entries-when-peering.patch	FRRouting/frr#15326
0033-bgpd-backpressure-cleanup-bgp_zebra_XX-func-args.patch	FRRouting/frr#15524
0034-gpd-backpressure-Handle-BGP-Zebra-Install-evt-Creat.patch	FRRouting/frr#15524
0035-bgpd-backpressure-Handle-BGP-Zebra-EPVN-Install-evt-.patch	FRRouting/frr#15624
0036-zebra-backpressure-Fix-Null-ptr-access-Coverity-Issu.patch	FRRouting/frr#15728
0037-bgpd-Increase-install-uninstall-speed-of-evpn-vpn-vn.patch	FRRouting/frr#15727
0038-zebra-Actually-display-I-O-buffer-sizes.patch	FRRouting/frr#15708
0039-zebra-Actually-display-I-O-buffer-sizes-part-2.patch	FRRouting/frr#15769
0040-bgpd-backpressure-Fix-to-withdraw-evpn-type-5-routes.patch	FRRouting/frr#16034
0041-bgpd-backpressure-Fix-to-avoid-CPU-hog.patch	FRRouting/frr#16035
0042-zebra-Use-built-in-data-structure-counter.patch	FRRouting/frr#16221
0043-zebra-Use-the-ctx-queue-counters.patch	FRRouting/frr#16220
0044-zebra-Modify-dplane-loop-to-allow-backpressure-to-fi.patch	FRRouting/frr#16220
0045-zebra-Limit-queue-depth-in-dplane_fpm_nl.patch	FRRouting/frr#16220
0046-zebra-Modify-show-zebra-dplane-providers-to-give-mor.patch	FRRouting/frr#16220
0047-bgpd-backpressure-fix-evpn-route-sync-to-zebra.patch	FRRouting/frr#16234
0048-bgpd-backpressure-fix-to-properly-remove-dest-for-bg.patch	FRRouting/frr#16368
0049-bgpd-backpressure-Improve-debuggability.patch	FRRouting/frr#16368
0050-bgpd-backpressure-Avoid-use-after-free.patch	FRRouting/frr#16437
0051-bgpd-backpressure-fix-ret-value-evpn_route_select_in.patch	FRRouting/frr#16416
0052-bgpd-backpressure-log-error-for-evpn-when-route-inst.patch	FRRouting/frr#16416
matiAlfaro pushed a commit to Marvell-switching/sonic-buildimage that referenced this pull request Aug 6, 2024
…rns (sonic-net#19717)

Added the below patches which are part of BGP Zebra back pressure feature required to keep the memory usage in check during route churns

How I did it
New patches that were added:

Patch	FRR Pull request
0030-zebra-backpressure-Zebra-push-back-on-Buffer-Stream-.patch	FRRouting/frr#15411
0031-bgpd-backpressure-Add-a-typesafe-list-for-Zebra-Anno.patch	FRRouting/frr#15524
0032-bgpd-fix-flushing-ipv6-flowspec-entries-when-peering.patch	FRRouting/frr#15326
0033-bgpd-backpressure-cleanup-bgp_zebra_XX-func-args.patch	FRRouting/frr#15524
0034-gpd-backpressure-Handle-BGP-Zebra-Install-evt-Creat.patch	FRRouting/frr#15524
0035-bgpd-backpressure-Handle-BGP-Zebra-EPVN-Install-evt-.patch	FRRouting/frr#15624
0036-zebra-backpressure-Fix-Null-ptr-access-Coverity-Issu.patch	FRRouting/frr#15728
0037-bgpd-Increase-install-uninstall-speed-of-evpn-vpn-vn.patch	FRRouting/frr#15727
0038-zebra-Actually-display-I-O-buffer-sizes.patch	FRRouting/frr#15708
0039-zebra-Actually-display-I-O-buffer-sizes-part-2.patch	FRRouting/frr#15769
0040-bgpd-backpressure-Fix-to-withdraw-evpn-type-5-routes.patch	FRRouting/frr#16034
0041-bgpd-backpressure-Fix-to-avoid-CPU-hog.patch	FRRouting/frr#16035
0042-zebra-Use-built-in-data-structure-counter.patch	FRRouting/frr#16221
0043-zebra-Use-the-ctx-queue-counters.patch	FRRouting/frr#16220
0044-zebra-Modify-dplane-loop-to-allow-backpressure-to-fi.patch	FRRouting/frr#16220
0045-zebra-Limit-queue-depth-in-dplane_fpm_nl.patch	FRRouting/frr#16220
0046-zebra-Modify-show-zebra-dplane-providers-to-give-mor.patch	FRRouting/frr#16220
0047-bgpd-backpressure-fix-evpn-route-sync-to-zebra.patch	FRRouting/frr#16234
0048-bgpd-backpressure-fix-to-properly-remove-dest-for-bg.patch	FRRouting/frr#16368
0049-bgpd-backpressure-Improve-debuggability.patch	FRRouting/frr#16368
0050-bgpd-backpressure-Avoid-use-after-free.patch	FRRouting/frr#16437
0051-bgpd-backpressure-fix-ret-value-evpn_route_select_in.patch	FRRouting/frr#16416
0052-bgpd-backpressure-log-error-for-evpn-when-route-inst.patch	FRRouting/frr#16416
mssonicbld pushed a commit to mssonicbld/sonic-buildimage that referenced this pull request Oct 22, 2024
…rns (sonic-net#19717)

Added the below patches which are part of BGP Zebra back pressure feature required to keep the memory usage in check during route churns

How I did it
New patches that were added:

Patch	FRR Pull request
0030-zebra-backpressure-Zebra-push-back-on-Buffer-Stream-.patch	FRRouting/frr#15411
0031-bgpd-backpressure-Add-a-typesafe-list-for-Zebra-Anno.patch	FRRouting/frr#15524
0032-bgpd-fix-flushing-ipv6-flowspec-entries-when-peering.patch	FRRouting/frr#15326
0033-bgpd-backpressure-cleanup-bgp_zebra_XX-func-args.patch	FRRouting/frr#15524
0034-gpd-backpressure-Handle-BGP-Zebra-Install-evt-Creat.patch	FRRouting/frr#15524
0035-bgpd-backpressure-Handle-BGP-Zebra-EPVN-Install-evt-.patch	FRRouting/frr#15624
0036-zebra-backpressure-Fix-Null-ptr-access-Coverity-Issu.patch	FRRouting/frr#15728
0037-bgpd-Increase-install-uninstall-speed-of-evpn-vpn-vn.patch	FRRouting/frr#15727
0038-zebra-Actually-display-I-O-buffer-sizes.patch	FRRouting/frr#15708
0039-zebra-Actually-display-I-O-buffer-sizes-part-2.patch	FRRouting/frr#15769
0040-bgpd-backpressure-Fix-to-withdraw-evpn-type-5-routes.patch	FRRouting/frr#16034
0041-bgpd-backpressure-Fix-to-avoid-CPU-hog.patch	FRRouting/frr#16035
0042-zebra-Use-built-in-data-structure-counter.patch	FRRouting/frr#16221
0043-zebra-Use-the-ctx-queue-counters.patch	FRRouting/frr#16220
0044-zebra-Modify-dplane-loop-to-allow-backpressure-to-fi.patch	FRRouting/frr#16220
0045-zebra-Limit-queue-depth-in-dplane_fpm_nl.patch	FRRouting/frr#16220
0046-zebra-Modify-show-zebra-dplane-providers-to-give-mor.patch	FRRouting/frr#16220
0047-bgpd-backpressure-fix-evpn-route-sync-to-zebra.patch	FRRouting/frr#16234
0048-bgpd-backpressure-fix-to-properly-remove-dest-for-bg.patch	FRRouting/frr#16368
0049-bgpd-backpressure-Improve-debuggability.patch	FRRouting/frr#16368
0050-bgpd-backpressure-Avoid-use-after-free.patch	FRRouting/frr#16437
0051-bgpd-backpressure-fix-ret-value-evpn_route_select_in.patch	FRRouting/frr#16416
0052-bgpd-backpressure-log-error-for-evpn-when-route-inst.patch	FRRouting/frr#16416
mssonicbld pushed a commit to sonic-net/sonic-buildimage that referenced this pull request Oct 23, 2024
…rns (#19717)

Added the below patches which are part of BGP Zebra back pressure feature required to keep the memory usage in check during route churns

How I did it
New patches that were added:

Patch	FRR Pull request
0030-zebra-backpressure-Zebra-push-back-on-Buffer-Stream-.patch	FRRouting/frr#15411
0031-bgpd-backpressure-Add-a-typesafe-list-for-Zebra-Anno.patch	FRRouting/frr#15524
0032-bgpd-fix-flushing-ipv6-flowspec-entries-when-peering.patch	FRRouting/frr#15326
0033-bgpd-backpressure-cleanup-bgp_zebra_XX-func-args.patch	FRRouting/frr#15524
0034-gpd-backpressure-Handle-BGP-Zebra-Install-evt-Creat.patch	FRRouting/frr#15524
0035-bgpd-backpressure-Handle-BGP-Zebra-EPVN-Install-evt-.patch	FRRouting/frr#15624
0036-zebra-backpressure-Fix-Null-ptr-access-Coverity-Issu.patch	FRRouting/frr#15728
0037-bgpd-Increase-install-uninstall-speed-of-evpn-vpn-vn.patch	FRRouting/frr#15727
0038-zebra-Actually-display-I-O-buffer-sizes.patch	FRRouting/frr#15708
0039-zebra-Actually-display-I-O-buffer-sizes-part-2.patch	FRRouting/frr#15769
0040-bgpd-backpressure-Fix-to-withdraw-evpn-type-5-routes.patch	FRRouting/frr#16034
0041-bgpd-backpressure-Fix-to-avoid-CPU-hog.patch	FRRouting/frr#16035
0042-zebra-Use-built-in-data-structure-counter.patch	FRRouting/frr#16221
0043-zebra-Use-the-ctx-queue-counters.patch	FRRouting/frr#16220
0044-zebra-Modify-dplane-loop-to-allow-backpressure-to-fi.patch	FRRouting/frr#16220
0045-zebra-Limit-queue-depth-in-dplane_fpm_nl.patch	FRRouting/frr#16220
0046-zebra-Modify-show-zebra-dplane-providers-to-give-mor.patch	FRRouting/frr#16220
0047-bgpd-backpressure-fix-evpn-route-sync-to-zebra.patch	FRRouting/frr#16234
0048-bgpd-backpressure-fix-to-properly-remove-dest-for-bg.patch	FRRouting/frr#16368
0049-bgpd-backpressure-Improve-debuggability.patch	FRRouting/frr#16368
0050-bgpd-backpressure-Avoid-use-after-free.patch	FRRouting/frr#16437
0051-bgpd-backpressure-fix-ret-value-evpn_route_select_in.patch	FRRouting/frr#16416
0052-bgpd-backpressure-log-error-for-evpn-when-route-inst.patch	FRRouting/frr#16416
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5 participants