[oe] [PATCH meta-networking] quagga: backport a patch from 0.99.22 to fix "no ip address" command

[Joe MacDonald]

Merged, thanks.
-J.

[[oe] [PATCH meta-networking] quagga: backport a patch from 0.99.22 to fix "no ip address" command] On 13.11.04 (Mon 11:31) rongqing.li at windriver.com wrote:

> From: Roy Li <rongqing.li at windriver.com>
> 
> Signed-off-by: Roy Li <rongqing.li at windriver.com>
> ---
>  ...ingering-IP-address-after-deletion-BZ-486.patch |   64 ++++++++++++++++++++
>  .../recipes-protocols/quagga/quagga_0.99.21.bb     |    3 +-
>  2 files changed, 66 insertions(+), 1 deletion(-)
>  create mode 100644 meta-networking/recipes-protocols/quagga/files/lingering-IP-address-after-deletion-BZ-486.patch
> 
> diff --git a/meta-networking/recipes-protocols/quagga/files/lingering-IP-address-after-deletion-BZ-486.patch b/meta-networking/recipes-protocols/quagga/files/lingering-IP-address-after-deletion-BZ-486.patch
> new file mode 100644
> index 0000000..42bdc20
> --- /dev/null
> +++ b/meta-networking/recipes-protocols/quagga/files/lingering-IP-address-after-deletion-BZ-486.patch
> @@ -0,0 +1,64 @@
> +From 7f062c217b262e362a3362c677dea6c5e820adf1 Mon Sep 17 00:00:00 2001
> +From: David Lamparter <equinox at diac24.net>
> +Date: Mon, 1 Feb 2010 16:41:26 +0100
> +Subject: [PATCH] zebra: lingering IP address after deletion (BZ#486)
> +
> +Upstream-status: Backport
> +
> +zebra address bookkeeping is a mess. this is just a workaround to have
> +IPv4 address deletion somewhat working on Linux.
> +
> +the if_unset_prefix call is synchronous, when it returns success the
> +address deletion completed successfully. this is either signaled by a
> +netlink ACK or by an OK return value from ioctl().
> +
> +This version is wrapped by #ifdef HAVE_NETLINK so we don't touch the
> +BSDs for now.
> +
> +* zebra/interface.c: On Linux, update zebra internal state after
> +  deleting an address.
> +
> +Signed-off-by: David Lamparter <equinox at opensourcerouting.org>
> +---
> + zebra/interface.c |   21 ++++++++++++++++++---
> + 1 file changed, 18 insertions(+), 3 deletions(-)
> +
> +diff --git a/zebra/interface.c b/zebra/interface.c
> +index 2242259..3578b79 100644
> +--- a/zebra/interface.c
> ++++ b/zebra/interface.c
> +@@ -1297,13 +1297,28 @@ ip_address_uninstall (struct vty *vty, struct interface *ifp,
> + 	       safe_strerror(errno), VTY_NEWLINE);
> +       return CMD_WARNING;
> +     }
> ++  /* success! call returned that the address deletion went through.
> ++   * this is a synchronous operation, so we know it succeeded and can
> ++   * now update all internal state. */
> ++
> ++  /* the HAVE_NETLINK check is only here because, on BSD, although the
> ++   * call above is still synchronous, we get a second confirmation later
> ++   * through the route socket, and we don't want to touch that behaviour
> ++   * for now.  It should work without the #ifdef, but why take the risk...
> ++   * -- equinox 2012-07-13 */
> ++#ifdef HAVE_NETLINK
> ++
> ++  /* Remove connected route. */
> ++  connected_down_ipv4 (ifp, ifc);
> + 
> +-#if 0
> +   /* Redistribute this information. */
> +   zebra_interface_address_delete_update (ifp, ifc);
> + 
> +-  /* Remove connected route. */
> +-  connected_down_ipv4 (ifp, ifc);
> ++  /* IP address propery set. */
> ++  UNSET_FLAG (ifc->conf, ZEBRA_IFC_REAL);
> ++
> ++  /* remove from interface, remark secondaries */
> ++  if_subnet_delete (ifp, ifc);
> + 
> +   /* Free address information. */
> +   listnode_delete (ifp->connected, ifc);
> +-- 
> +1.7.10.4
> +
> diff --git a/meta-networking/recipes-protocols/quagga/quagga_0.99.21.bb b/meta-networking/recipes-protocols/quagga/quagga_0.99.21.bb
> index 2b46930..10740bc 100644
> --- a/meta-networking/recipes-protocols/quagga/quagga_0.99.21.bb
> +++ b/meta-networking/recipes-protocols/quagga/quagga_0.99.21.bb
> @@ -2,7 +2,8 @@ require quagga.inc
>  
>  PR = "${INC_PR}.0"
>  
> -SRC_URI += "file://0001-doc-fix-makeinfo-errors-and-one-warning.patch"
> +SRC_URI += "file://0001-doc-fix-makeinfo-errors-and-one-warning.patch \
> +            file://lingering-IP-address-after-deletion-BZ-486.patch"
>  
>  SRC_URI[quagga-0.99.21.md5sum] = "99840adbe57047c90dfba6b6ed9aec7f"
>  SRC_URI[quagga-0.99.21.sha256sum] = "9b8aea9026b4771a28e254a66cbd854723bcd0d71eebd0201d11838d4eb392ee"
-- 
-Joe MacDonald.
:wq
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