lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <20220923163310.3192733-7-vladimir.oltean@nxp.com> Date: Fri, 23 Sep 2022 19:33:04 +0300 From: Vladimir Oltean <vladimir.oltean@....com> To: netdev@...r.kernel.org Cc: "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Xiaoliang Yang <xiaoliang.yang_1@....com>, Rui Sousa <rui.sousa@....com>, Claudiu Manoil <claudiu.manoil@....com>, Alexandre Belloni <alexandre.belloni@...tlin.com>, UNGLinuxDriver@...rochip.com, Horatiu Vultur <horatiu.vultur@...rochip.com>, Andrew Lunn <andrew@...n.ch>, Vivien Didelot <vivien.didelot@...il.com>, Florian Fainelli <f.fainelli@...il.com>, Michael Walle <michael@...le.cc>, Vinicius Costa Gomes <vinicius.gomes@...el.com>, Maxim Kochetkov <fido_max@...ox.ru>, Colin Foster <colin.foster@...advantage.com>, Richie Pearn <richard.pearn@....com>, Kurt Kanzenbach <kurt@...utronix.de>, Vladimir Oltean <olteanv@...il.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>, Tony Nguyen <anthony.l.nguyen@...el.com>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, Jose Abreu <joabreu@...opsys.com>, Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>, Gerhard Engleder <gerhard@...leder-embedded.com>, linux-kernel@...r.kernel.org Subject: [PATCH v2 net-next 06/12] net: lan966x: deny tc-taprio changes to per-tc max SDU Since the driver does not act upon the max_sdu argument, deny any other values except the default all-zeroes, which means that all traffic classes should use the same MTU as the port itself. Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> --- v1->v2: patch is new drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c b/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c index 3f5b212066c5..96367819ff96 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_taprio.c @@ -219,8 +219,16 @@ static int lan966x_taprio_find_list(struct lan966x_port *port, static int lan966x_taprio_check(struct tc_taprio_qopt_offload *qopt) { u64 total_time = 0; + int tc; u32 i; + /* Offloading queueMaxSDU is not supported at the moment, + * only accept the default port MTU + */ + for (tc = 0; tc < 8; tc++) + if (qopt->max_sdu[tc]) + return -EOPNOTSUPP; + /* This is not supported by th HW */ if (qopt->cycle_time_extension) return -EOPNOTSUPP; -- 2.34.1
Powered by blists - more mailing lists