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Merge pull request #14729 from donaldsharp/v6_rr_semantics_zrouter

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V6 rr semantics zrouter
This commit is contained in:
Donatas Abraitis 2023-11-06 23:00:50 +02:00 committed by GitHub
parent d67c60eda3 7e1b56ba98
commit f57763eaed
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 21 additions and 9 deletions
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4
zebra/main.c
View file

@ -59,8 +59,6 @@ int retain_mode = 0;
int graceful_restart;
bool v6_rr_semantics = false;
/* Receive buffer size for kernel control sockets */
#define RCVBUFSIZE_MIN 4194304
#ifdef HAVE_NETLINK
@ -385,7 +383,7 @@ int main(int argc, char **argv)
vrf_configure_backend(VRF_BACKEND_NETNS);
break;
case OPTION_V6_RR_SEMANTICS:
v6_rr_semantics = true;
zrouter.v6_rr_semantics = true;
break;
case OPTION_ASIC_OFFLOAD:
if (!strcmp(optarg, "notify_on_offload"))

2
zebra/rib.h
View file

@ -627,8 +627,6 @@ extern void zebra_vty_init(void);
extern pid_t pid;
extern bool v6_rr_semantics;
extern uint32_t rt_table_main_id;
/* Name of hook calls */

7
zebra/rt_netlink.c
View file

@ -2209,7 +2209,8 @@ ssize_t netlink_route_multipath_msg_encode(int cmd, struct zebra_dplane_ctx *ctx
req->n.nlmsg_flags = NLM_F_CREATE | NLM_F_REQUEST;
if (((cmd == RTM_NEWROUTE) &&
((p->family == AF_INET) || v6_rr_semantics)) ||
((p->family == AF_INET) || kernel_nexthops_supported() ||
zrouter.v6_rr_semantics)) ||
force_rr)
req->n.nlmsg_flags |= NLM_F_REPLACE;
@ -3095,8 +3096,8 @@ netlink_put_route_update_msg(struct nl_batch *bth, struct zebra_dplane_ctx *ctx)
} else if (dplane_ctx_get_op(ctx) == DPLANE_OP_ROUTE_INSTALL) {
cmd = RTM_NEWROUTE;
} else if (dplane_ctx_get_op(ctx) == DPLANE_OP_ROUTE_UPDATE) {
if (p->family == AF_INET || v6_rr_semantics) {
if (p->family == AF_INET || kernel_nexthops_supported() ||
zrouter.v6_rr_semantics) {
/* Single 'replace' operation */
/*

2
zebra/zebra_router.h
View file

@ -209,6 +209,8 @@ struct zebra_router {
bool notify_on_ack;
bool v6_with_v4_nexthop;
bool v6_rr_semantics;
/*
* If the asic is notifying us about successful nexthop
* allocation/control. Some developers have made their

15
zebra/zebra_vty.c
View file

@ -4028,6 +4028,17 @@ static int config_write_protocol(struct vty *vty)
return 1;
}
static inline bool zebra_vty_v6_rr_semantics_used(void)
{
if (zebra_nhg_kernel_nexthops_enabled())
return true;
if (zrouter.v6_rr_semantics)
return true;
return false;
}
DEFUN (show_zebra,
show_zebra_cmd,
"show zebra",
@ -4047,7 +4058,9 @@ DEFUN (show_zebra,
ttable_add_row(table, "MPLS|%s", mpls_enabled ? "On" : "Off");
ttable_add_row(table, "EVPN|%s", is_evpn_enabled() ? "On" : "Off");
ttable_add_row(table, "Kernel socket buffer size|%d", rcvbufsize);
ttable_add_row(table, "v6 Route Replace Semantics|%s",
zebra_vty_v6_rr_semantics_used() ? "Replace"
: "Delete then Add");
#ifdef GNU_LINUX
if (!vrf_is_backend_netns())