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| author | bisdhdh <biswajit.sadhu@gmail.com> | 2019-10-25 17:42:39 +0200 |
|---|---|---|
| committer | bisdhdh <biswajit.sadhu@gmail.com> | 2020-01-23 05:04:25 +0100 |
| commit | 2d3dd828db3fc7082215245c156d75765d3a3f8e (patch) | |
| tree | 77c0bc27b747b90f0a0a3efe8bcad3dedc01de25 /bgpd/bgp_vty.h | |
| parent | bgpd: Restarting node does not send EOR after the convergence. (diff) | |
| download | frr-2d3dd828db3fc7082215245c156d75765d3a3f8e.tar.xz frr-2d3dd828db3fc7082215245c156d75765d3a3f8e.zip | |
bgpd: Adding header files for BGPD-ZEBRA integration for GR.
Data Structures, function declaration and Macros forSignalling
from BGPD to ZEBRA to enable or disable GR feature in ZEBRA
depending on bgp per peer gr configuration.
Signed-off-by: Biswajit Sadhu <sadhub@vmware.com>
Diffstat (limited to 'bgpd/bgp_vty.h')
| -rw-r--r-- | bgpd/bgp_vty.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/bgpd/bgp_vty.h b/bgpd/bgp_vty.h index 3dc639ea7..2e33ed59b 100644 --- a/bgpd/bgp_vty.h +++ b/bgpd/bgp_vty.h @@ -68,6 +68,67 @@ struct bgp; vty, p, use_json, json); \ } while (0) +#define VTY_BGP_GR_DEFINE_LOOP_VARIABLE \ + struct peer *peer_loop = NULL; \ + struct listnode *node = NULL; \ + struct listnode *nnode = NULL; \ + bool gr_router_detected = false + +#define VTY_BGP_GR_ROUTER_DETECT( \ + _bgp, _peer, _peer_list) \ + do { \ + if (_peer->bgp->t_startup) \ + bgp_peer_gr_flags_update(_peer); \ + for (ALL_LIST_ELEMENTS(_peer_list, \ + node, nnode, peer_loop)) { \ + if (CHECK_FLAG(peer_loop->flags,\ + PEER_FLAG_GRACEFUL_RESTART)) \ + gr_router_detected = true; \ + } \ + } while (0) + + +#define VTY_SEND_BGP_GR_CAPABILITY_TO_ZEBRA(_bgp, _ret) \ + do { \ + if (gr_router_detected && \ + _bgp->present_zebra_gr_state == ZEBRA_GR_DISABLE) { \ + if (bgp_zebra_send_capabilities(_bgp, false)) \ + _ret = BGP_ERR_INVALID_VALUE;\ + } else if (!gr_router_detected && \ + _bgp->present_zebra_gr_state == ZEBRA_GR_ENABLE) { \ + if (bgp_zebra_send_capabilities(_bgp, true)) \ + _ret = BGP_ERR_INVALID_VALUE;\ + } \ + } while (0) + +#define VTY_BGP_GR_ROUTER_DETECT_AND_SEND_CAPABILITY_TO_ZEBRA( \ + _bgp, _peer_list, _ret) \ + do { \ + struct peer *peer_loop; \ + bool gr_router_detected = false; \ + struct listnode *node = {0}; \ + struct listnode *nnode = {0}; \ + for (ALL_LIST_ELEMENTS( \ + _peer_list, node, \ + nnode, peer_loop)) { \ + if (peer_loop->bgp->t_startup) \ + bgp_peer_gr_flags_update(peer_loop); \ + if (CHECK_FLAG( \ + peer_loop->flags, \ + PEER_FLAG_GRACEFUL_RESTART)) \ + gr_router_detected = true; \ + } \ + if (gr_router_detected && \ + _bgp->present_zebra_gr_state == ZEBRA_GR_DISABLE) { \ + if (bgp_zebra_send_capabilities(_bgp, false)) \ + _ret = BGP_ERR_INVALID_VALUE;\ + } else if (!gr_router_detected && \ + _bgp->present_zebra_gr_state == ZEBRA_GR_ENABLE) { \ + if (bgp_zebra_send_capabilities(_bgp, true)) \ + _ret = BGP_ERR_INVALID_VALUE;\ + } \ + } while (0) + #define PRINT_EOR(_eor_flag) \ do { \ |