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iplink: bond_slave: add support for actor_port_prio

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Add support for the actor_port_prio option for bond slaves.
This per-port priority can be used by the bonding driver in ad_select to
choose the higher-priority aggregator during failover.

Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Hangbin Liu 2025-09-02 06:47:38 +00:00 committed by David Ahern
parent 4f26509289
commit 41b981c133
3 changed files with 23 additions and 2 deletions
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1
ip/iplink_bond.c
View File

@ -91,6 +91,7 @@ static const char *ad_select_tbl[] = {
"stable",
"bandwidth",
"count",
"actor_port_prio",
NULL,
};

18
ip/iplink_bond_slave.c
View File

@ -15,7 +15,9 @@
static void print_explain(FILE *f)
{
fprintf(f, "Usage: ... bond_slave [ queue_id ID ] [ prio PRIORITY ]\n");
fprintf(f, "Usage: ... bond_slave [ queue_id ID ] [ prio PRIORITY ]\n"
" [ actor_port_prio PRIORITY ]\n"
);
}
static void explain(void)
@ -145,12 +147,18 @@ static void bond_slave_print_opt(struct link_util *lu, FILE *f, struct rtattr *t
state);
print_slave_oper_state(f, "ad_partner_oper_port_state_str", state);
}
if (tb[IFLA_BOND_SLAVE_ACTOR_PORT_PRIO])
print_int(PRINT_ANY,
"actor_port_prio",
"actor_port_prio %d ",
rta_getattr_u16(tb[IFLA_BOND_SLAVE_ACTOR_PORT_PRIO]));
}
static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
__u16 queue_id;
__u16 queue_id, actor_port_prio;
int prio;
while (argc > 0) {
@ -164,6 +172,12 @@ static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv,
if (get_s32(&prio, *argv, 0))
invarg("prio is invalid", *argv);
addattr32(n, 1024, IFLA_BOND_SLAVE_PRIO, prio);
} else if (strcmp(*argv, "actor_port_prio") == 0) {
NEXT_ARG();
if (get_u16(&actor_port_prio, *argv, 0))
invarg("actor prio is invalid", *argv);
addattr16(n, 1024, IFLA_BOND_SLAVE_ACTOR_PORT_PRIO,
actor_port_prio);
} else {
if (matches(*argv, "help") != 0)
fprintf(stderr,

6
man/man8/ip-link.8.in
View File

@ -2846,6 +2846,12 @@ the following additional arguments are supported:
(a 32bit signed value). This option only valid for active-backup(1),
balance-tlb (5) and balance-alb (6) mode.
.sp
.BI actor_port_prio " PRIORITY"
- set the slave's ad actor port priority for 802.3ad aggregation selection
logic during failover (a 16bit unsigned value). This option only valid for
802.3ad (4) mode.
.in -8
.TP