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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Nikolay Aleksandrov , Simon Horman , Shuah Khan , Jonathan Corbet , Petr Machata , Amit Cohen , Vladimir Oltean , Stephen Hemminger , David Ahern , linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Hangbin Liu Subject: [PATCHv2 iproute-next] iplink: bond_slave: add support for ad_actor_port_prio Date: Thu, 14 Aug 2025 10:44:28 +0000 Message-ID: <20250814104428.18431-1-liuhangbin@gmail.com> X-Mailer: git-send-email 2.50.1 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for the ad_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 --- v2: kernel side update, no update for iproute side --- ip/iplink_bond.c | 1 + ip/iplink_bond_slave.c | 18 ++++++++++++++++-- man/man8/ip-link.8.in | 6 ++++++ 3 files changed, 23 insertions(+), 2 deletions(-) diff --git a/ip/iplink_bond.c b/ip/iplink_bond.c index d6960f6d9b03..1a2c1b3042a0 100644 --- a/ip/iplink_bond.c +++ b/ip/iplink_bond.c @@ -91,6 +91,7 @@ static const char *ad_select_tbl[] = { "stable", "bandwidth", "count", + "prio", NULL, }; diff --git a/ip/iplink_bond_slave.c b/ip/iplink_bond_slave.c index ad6875006950..67b154e194f7 100644 --- a/ip/iplink_bond_slave.c +++ b/ip/iplink_bond_slave.c @@ -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" + " [ ad_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_AD_ACTOR_PORT_PRIO]) + print_int(PRINT_ANY, + "ad_actor_port_prio", + "ad_actor_port_prio %d ", + rta_getattr_u16(tb[IFLA_BOND_SLAVE_AD_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, ad_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, "ad_actor_port_prio") == 0) { + NEXT_ARG(); + if (get_u16(&ad_actor_port_prio, *argv, 0)) + invarg("actor prio is invalid", *argv); + addattr16(n, 1024, IFLA_BOND_SLAVE_AD_ACTOR_PORT_PRIO, + ad_actor_port_prio); } else { if (matches(*argv, "help") != 0) fprintf(stderr, diff --git a/man/man8/ip-link.8.in b/man/man8/ip-link.8.in index e3297c577152..5714dbecabcf 100644 --- a/man/man8/ip-link.8.in +++ b/man/man8/ip-link.8.in @@ -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 ad_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 -- 2.39.5 (Apple Git-154)