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*: new cli-nodes for BGP SRv6 VPNv4 (step4)

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This commit add just CLI-nodes for MP-BGP VPN configuration
with SRv6 backend rather than MPLS. Actual configuration cli
will be implemented after this commit.

Example Configuration follow.
This cli design is based on Cisco IOS-XR but actual cli
tree design is defferent between FRR and Cisco.
It's just based on cisco.

ref:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-6/segment-routing/configuration/guide/b-segment-routing-cg-asr9000-66x/b-segment-routing-cg-asr9000-66x_chapter_011.html#concept_hwj_trf_dlb

router bgp 1
 bgp router-id 1.1.1.1
 !
 segment-routing srv6 ! new cli-node
  locator LOC1 ! this cli will be added after this commit.
 !
!

Signed-off-by: Hiroki Shirokura <slank.dev@gmail.com>
This commit is contained in:
Hiroki Shirokura 2020-12-19 08:47:11 +09:00 committed by Mark Stapp
parent b83127e156
commit bfaab44d1e
3 changed files with 70 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
bgpd/bgp_vty.c
View File

@ -9858,6 +9858,17 @@ DEFUN_NOSH (address_family_evpn,
return CMD_SUCCESS;
}
DEFUN_NOSH (bgp_segment_routing_srv6,
bgp_segment_routing_srv6_cmd,
"segment-routing srv6",
"Segment-Routing configuration\n"
"Segment-Routing SRv6 configuration\n")
{
VTY_DECLVAR_CONTEXT(bgp, bgp);
vty->node = BGP_SRV6_NODE;
return CMD_SUCCESS;
}
DEFUN_NOSH (exit_address_family,
exit_address_family_cmd,
"exit-address-family",
@ -18020,6 +18031,13 @@ static struct cmd_node bgp_flowspecv6_node = {
.prompt = "%s(config-router-af-vpnv6)# ",
};
static struct cmd_node bgp_srv6_node = {
.name = "bgp srv6",
.node = BGP_SRV6_NODE,
.parent_node = BGP_NODE,
.prompt = "%s(config-router-srv6)# ",
};
static void community_list_vty(void);
static void bgp_ac_neighbor(vector comps, struct cmd_token *token)
@ -18094,6 +18112,7 @@ void bgp_vty_init(void)
install_node(&bgp_evpn_vni_node);
install_node(&bgp_flowspecv4_node);
install_node(&bgp_flowspecv6_node);
install_node(&bgp_srv6_node);
/* Install default VTY commands to new nodes. */
install_default(BGP_NODE);
@ -18109,6 +18128,7 @@ void bgp_vty_init(void)
install_default(BGP_FLOWSPECV6_NODE);
install_default(BGP_EVPN_NODE);
install_default(BGP_EVPN_VNI_NODE);
install_default(BGP_SRV6_NODE);
/* "bgp local-mac" hidden commands. */
install_element(CONFIG_NODE, &bgp_local_mac_cmd);
@ -19437,6 +19457,9 @@ void bgp_vty_init(void)
/* tcp-mss command */
install_element(BGP_NODE, &neighbor_tcp_mss_cmd);
install_element(BGP_NODE, &no_neighbor_tcp_mss_cmd);
/* srv6 commands */
install_element(BGP_NODE, &bgp_segment_routing_srv6_cmd);
}
#include "memory.h"

1
lib/command.h
View File

@ -120,6 +120,7 @@ enum node_type {
BGP_VNC_L2_GROUP_NODE, /* BGP VNC L2 group */
RFP_DEFAULTS_NODE, /* RFP defaults node */
BGP_EVPN_NODE, /* BGP EVPN node. */
BGP_SRV6_NODE, /* BGP SRv6 node. */
OSPF_NODE, /* OSPF protocol mode */
OSPF6_NODE, /* OSPF protocol for IPv6 mode */
LDP_NODE, /* LDP protocol mode */

46
vtysh/vtysh.c
View File

@ -1507,6 +1507,13 @@ static struct cmd_node bmp_node = {
.parent_node = BGP_NODE,
.prompt = "%s(config-bgp-bmp)# "
};
static struct cmd_node bgp_srv6_node = {
.name = "bgp srv6",
.node = BGP_SRV6_NODE,
.parent_node = BGP_NODE,
.prompt = "%s(config-router-srv6)# ",
};
#endif /* HAVE_BGPD */
#ifdef HAVE_OSPFD
@ -1862,6 +1869,39 @@ DEFUNSH(VTYSH_BGPD,
return CMD_SUCCESS;
}
DEFUNSH(VTYSH_BGPD,
bgp_srv6,
bgp_srv6_cmd,
"segment-routing srv6",
"Segment-Routing configuration\n"
"Segment-Routing SRv6 configuration\n")
{
vty->node = BGP_SRV6_NODE;
return CMD_SUCCESS;
}
DEFUNSH(VTYSH_BGPD,
exit_bgp_srv6,
exit_bgp_srv6_cmd,
"exit",
"exit Segment-Routing SRv6 configuration\n")
{
if (vty->node == BGP_SRV6_NODE)
vty->node = BGP_NODE;
return CMD_SUCCESS;
}
DEFUNSH(VTYSH_BGPD,
quit_bgp_srv6,
quit_bgp_srv6_cmd,
"quit",
"quit Segment-Routing SRv6 configuration\n")
{
if (vty->node == BGP_SRV6_NODE)
vty->node = BGP_NODE;
return CMD_SUCCESS;
}
DEFUNSH(VTYSH_BGPD, address_family_evpn, address_family_evpn_cmd,
"address-family <l2vpn evpn>",
"Enter Address Family command mode\n"
@ -4201,6 +4241,12 @@ void vtysh_init_vty(void)
install_element(BMP_NODE, &bmp_exit_cmd);
install_element(BMP_NODE, &bmp_quit_cmd);
install_element(BMP_NODE, &vtysh_end_all_cmd);
install_node(&bgp_srv6_node);
install_element(BGP_NODE, &bgp_srv6_cmd);
install_element(BGP_SRV6_NODE, &exit_bgp_srv6_cmd);
install_element(BGP_SRV6_NODE, &quit_bgp_srv6_cmd);
install_element(BGP_SRV6_NODE, &vtysh_end_all_cmd);
#endif /* HAVE_BGPD */
/* ripd */