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dccc522572
Zebra currently performs a delete followed by add when a route needs to be modified. Change this to use the replace semantics of netlink so that the operation can possibly be atomic. Note: This patch handles IPv6 routes, IPv4 already performs a replace. Signed-off-by: Vivek Venkatraman <vivek@cumulusnetworks.com> Reviewed-by: Donald Sharp <sharpd@cumulusnetworks.com> Reviewed-by: Dinesh Dutt <ddutt@cumulusnetworks.com> Ticket: CM-5597 Reviewed By: CCR-3407 Testing Done: Manual testing of various scearnios (Vivek, Satish) Note: This is an import of patch zebra-ipv6-route-replace.patch from 2.5-br.
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* NULL kernel methods for testing. */
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#include <zebra.h>
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#include <log.h>
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#include "zebra/zserv.h"
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#include "zebra/rt.h"
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#include "zebra/redistribute.h"
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#include "zebra/connected.h"
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#include "zebra/rt_netlink.h"
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#include "zebra/rib.h"
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int kernel_add_ipv4 (struct prefix *a, struct rib *b) { return 0; }
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int kernel_update_ipv4 (struct prefix *a, struct rib *b) { return 0; }
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#ifdef HAVE_SYS_WEAK_ALIAS_PRAGMA
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#pragma weak kernel_delete_ipv4 = kernel_add_ipv4
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#else
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int kernel_delete_ipv4 (struct prefix *a, struct rib *b) { return 0; }
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#endif
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int kernel_add_ipv6 (struct prefix *a, struct rib *b) { return 0; }
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int kernel_update_ipv6 (struct prefix *a, struct rib *b) { return 0; }
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#ifdef HAVE_SYS_WEAK_ALIAS_PRAGMA
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#pragma weak kernel_delete_ipv6 = kernel_add_ipv6
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#else
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int kernel_delete_ipv6 (struct prefix *a, struct rib *b) { return 0; }
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#endif
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int kernel_delete_ipv6_old (struct prefix_ipv6 *dest, struct in6_addr *gate,
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unsigned int index, int flags, int table)
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{ return 0; }
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int kernel_add_route (struct prefix_ipv4 *a, struct in_addr *b, int c, int d)
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{ return 0; }
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int kernel_address_add_ipv4 (struct interface *a, struct connected *b)
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{
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zlog_debug ("%s", __func__);
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SET_FLAG (b->conf, ZEBRA_IFC_REAL);
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connected_add_ipv4 (a, 0, &b->address->u.prefix4, b->address->prefixlen,
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(b->destination ? &b->destination->u.prefix4 : NULL),
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NULL);
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return 0;
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}
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int kernel_address_delete_ipv4 (struct interface *a, struct connected *b)
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{
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zlog_debug ("%s", __func__);
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connected_delete_ipv4 (a, 0, &b->address->u.prefix4, b->address->prefixlen,
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(b->destination ? &b->destination->u.prefix4 : NULL));
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return 0;
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}
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int netlink_neigh_update (int cmd, int ifindex, __u32 addr, char *lla, int llalen)
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{
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return 0;
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}
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void kernel_init (struct zebra_vrf *zvrf) { return; }
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void kernel_terminate (struct zebra_vrf *zvrf) { return; }
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#ifdef HAVE_SYS_WEAK_ALIAS_PRAGMA
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#pragma weak route_read = kernel_init
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#else
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void route_read (struct zebra_vrf *zvrf) { return; }
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#endif
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