From: Hans Schultz <netdev@kapio-technology•com>
To: davem@davemloft•net, kuba@kernel•org
Cc: netdev@vger•kernel.org,
"Hans J. Schultz" <netdev@kapio-technology•com>,
Florian Fainelli <f.fainelli@gmail•com>,
Andrew Lunn <andrew@lunn•ch>,
Vivien Didelot <vivien.didelot@gmail•com>,
Vladimir Oltean <olteanv@gmail•com>,
Eric Dumazet <edumazet@google•com>,
Paolo Abeni <pabeni@redhat•com>,
Kurt Kanzenbach <kurt@linutronix•de>,
Hauke Mehrtens <hauke@hauke-m•de>,
Woojung Huh <woojung.huh@microchip•com>,
UNGLinuxDriver@microchip•com, Sean Wang <sean.wang@mediatek•com>,
Landen Chao <Landen.Chao@mediatek•com>,
DENG Qingfang <dqfext@gmail•com>,
Matthias Brugger <matthias.bgg@gmail•com>,
Claudiu Manoil <claudiu.manoil@nxp•com>,
Alexandre Belloni <alexandre.belloni@bootlin•com>,
Jiri Pirko <jiri@resnulli•us>, Ivan Vecera <ivecera@redhat•com>,
Roopa Prabhu <roopa@nvidia•com>,
Nikolay Aleksandrov <razor@blackwall•org>,
Shuah Khan <shuah@kernel•org>,
Russell King <linux@armlinux•org.uk>,
Christian Marangi <ansuelsmth@gmail•com>,
Daniel Borkmann <daniel@iogearbox•net>,
Yuwei Wang <wangyuweihx@gmail•com>,
Petr Machata <petrm@nvidia•com>, Ido Schimmel <idosch@nvidia•com>,
Florent Fourcot <florent.fourcot@wifirst•fr>,
Hans Schultz <schultz.hans@gmail•com>,
Joachim Wiberg <troglobit@gmail•com>,
Amit Cohen <amcohen@nvidia•com>,
linux-kernel@vger•kernel.org,
linux-arm-kernel@lists•infradead.org,
linux-mediatek@lists•infradead.org,
bridge@lists•linux-foundation.org,
linux-kselftest@vger•kernel.org
Subject: [PATCH v6 net-next 8/9] net: dsa: mv88e6xxx: add blackhole ATU entries
Date: Wed, 28 Sep 2022 17:02:55 +0200 [thread overview]
Message-ID: <20220928150256.115248-9-netdev@kapio-technology.com> (raw)
In-Reply-To: <20220928150256.115248-1-netdev@kapio-technology.com>
From: "Hans J. Schultz" <netdev@kapio-technology•com>
Blackhole FDB entries can now be added, deleted or replaced in the
driver ATU.
Signed-off-by: Hans J. Schultz <netdev@kapio-technology•com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 78 ++++++++++++++++++++++++++++++--
1 file changed, 74 insertions(+), 4 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 71843fe87f77..a17f30e5d4a6 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2735,6 +2735,72 @@ static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,
return err;
}
+struct mv88e6xxx_vid_search_ctx {
+ u16 vid_search;
+ u16 fid_found;
+};
+
+static int mv88e6xxx_find_fid_on_matching_vid(struct mv88e6xxx_chip *chip,
+ const struct mv88e6xxx_vtu_entry *entry,
+ void *priv)
+{
+ struct mv88e6xxx_vid_search_ctx *ctx = priv;
+
+ if (ctx->vid_search == entry->vid) {
+ ctx->fid_found = entry->fid;
+ return 1;
+ }
+
+ return 0;
+}
+
+static int mv88e6xxx_blackhole_fdb_loadpurge(struct dsa_switch *ds,
+ const unsigned char *addr, u16 vid, u8 state)
+{
+ struct mv88e6xxx_chip *chip = ds->priv;
+ struct mv88e6xxx_vid_search_ctx ctx;
+ struct mv88e6xxx_atu_entry entry;
+ u16 fid = 0;
+ int err;
+
+ ether_addr_copy(entry.mac, addr);
+ entry.portvec = MV88E6XXX_G1_ATU_DATA_PORT_VECTOR_NO_EGRESS;
+ entry.state = state;
+ entry.trunk = false;
+
+ ctx.vid_search = vid;
+ mv88e6xxx_reg_lock(chip);
+ err = mv88e6xxx_vtu_walk(chip, mv88e6xxx_find_fid_on_matching_vid, &ctx);
+ mv88e6xxx_reg_unlock(chip);
+ if (err < 0)
+ return err;
+ if (err == 1)
+ fid = ctx.fid_found;
+ else
+ return -ENODATA;
+
+ if (!fid)
+ return -ENODATA;
+
+ mv88e6xxx_reg_lock(chip);
+ err = mv88e6xxx_g1_atu_loadpurge(chip, fid, &entry);
+ mv88e6xxx_reg_unlock(chip);
+
+ return err;
+}
+
+int mv88e6xxx_blackhole_fdb_add(struct dsa_switch *ds, const unsigned char *addr, u16 vid)
+{
+ return mv88e6xxx_blackhole_fdb_loadpurge(ds, addr, vid,
+ MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
+}
+
+int mv88e6xxx_blackhole_fdb_del(struct dsa_switch *ds, const unsigned char *addr, u16 vid)
+{
+ return mv88e6xxx_blackhole_fdb_loadpurge(ds, addr, vid,
+ MV88E6XXX_G1_ATU_DATA_STATE_UC_UNUSED);
+}
+
static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
u16 fdb_flags, struct dsa_db db)
@@ -2742,9 +2808,12 @@ static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
struct mv88e6xxx_chip *chip = ds->priv;
int err;
- /* Ignore entries with flags set */
- if (fdb_flags)
+ if (fdb_flags & DSA_FDB_FLAG_LOCKED)
return 0;
+ if (fdb_flags & DSA_FDB_FLAG_BLACKHOLE) {
+ mv88e6xxx_blackhole_fdb_del(ds, addr, vid);
+ return mv88e6xxx_blackhole_fdb_add(ds, addr, vid);
+ }
if (mv88e6xxx_port_is_locked(chip, port))
mv88e6xxx_atu_locked_entry_find_purge(ds, port, addr, vid);
@@ -2765,9 +2834,10 @@ static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
bool locked_found = false;
int err = 0;
- /* Ignore entries with flags set */
- if (fdb_flags)
+ if (fdb_flags & DSA_FDB_FLAG_LOCKED)
return 0;
+ if (fdb_flags & DSA_FDB_FLAG_BLACKHOLE)
+ return mv88e6xxx_blackhole_fdb_del(ds, addr, vid);
if (mv88e6xxx_port_is_locked(chip, port))
locked_found = mv88e6xxx_atu_locked_entry_find_purge(ds, port, addr, vid);
--
2.34.1
next prev parent reply other threads:[~2022-09-28 18:15 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-28 15:02 [PATCH v6 net-next 0/9] Extend locked port feature with FDB locked flag (MAC-Auth/MAB) Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 1/9] net: bridge: add locked entry fdb flag to extend locked port feature Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 2/9] net: bridge: add blackhole fdb entry flag Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 3/9] net: switchdev: add support for offloading of the FDB locked flag Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 4/9] net: switchdev: support offloading of the FDB blackhole flag Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 5/9] drivers: net: dsa: add fdb entry flags to drivers Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 6/9] net: dsa: mv88e6xxx: allow reading FID when handling ATU violations Hans Schultz
2022-09-28 15:02 ` [PATCH v6 net-next 7/9] net: dsa: mv88e6xxx: mac-auth/MAB implementation Hans Schultz
2022-09-28 15:02 ` Hans Schultz [this message]
2022-10-06 12:24 ` [PATCH v6 net-next 8/9] net: dsa: mv88e6xxx: add blackhole ATU entries netdev
2022-09-28 15:02 ` [PATCH v6 net-next 9/9] selftests: forwarding: add test of MAC-Auth Bypass to locked port tests Hans Schultz
2022-10-03 13:40 ` Ido Schimmel
2022-10-08 11:34 ` netdev
2022-09-29 16:10 ` [PATCH v6 net-next 0/9] Extend locked port feature with FDB locked flag (MAC-Auth/MAB) Jakub Kicinski
2022-09-29 16:37 ` netdev
2022-09-29 18:27 ` Jakub Kicinski
2022-09-30 5:42 ` netdev
2022-09-30 14:05 ` Ido Schimmel
2022-09-30 14:52 ` Jakub Kicinski
2022-09-30 15:04 ` Ido Schimmel
2022-09-30 15:13 ` Jakub Kicinski
2022-09-30 14:59 ` netdev
2022-09-30 15:33 ` netdev
2022-10-01 21:39 ` netdev
-- strict thread matches above, loose matches on Subject: below --
2022-09-28 17:48 [PATCH v6 net-next 8/9] net: dsa: mv88e6xxx: add blackhole ATU entries Hans Schultz
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220928150256.115248-9-netdev@kapio-technology.com \
--to=netdev@kapio-technology$(echo .)com \
--cc=Landen.Chao@mediatek$(echo .)com \
--cc=UNGLinuxDriver@microchip$(echo .)com \
--cc=alexandre.belloni@bootlin$(echo .)com \
--cc=amcohen@nvidia$(echo .)com \
--cc=andrew@lunn$(echo .)ch \
--cc=ansuelsmth@gmail$(echo .)com \
--cc=bridge@lists$(echo .)linux-foundation.org \
--cc=claudiu.manoil@nxp$(echo .)com \
--cc=daniel@iogearbox$(echo .)net \
--cc=davem@davemloft$(echo .)net \
--cc=dqfext@gmail$(echo .)com \
--cc=edumazet@google$(echo .)com \
--cc=f.fainelli@gmail$(echo .)com \
--cc=florent.fourcot@wifirst$(echo .)fr \
--cc=hauke@hauke-m$(echo .)de \
--cc=idosch@nvidia$(echo .)com \
--cc=ivecera@redhat$(echo .)com \
--cc=jiri@resnulli$(echo .)us \
--cc=kuba@kernel$(echo .)org \
--cc=kurt@linutronix$(echo .)de \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-kselftest@vger$(echo .)kernel.org \
--cc=linux-mediatek@lists$(echo .)infradead.org \
--cc=linux@armlinux$(echo .)org.uk \
--cc=matthias.bgg@gmail$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=olteanv@gmail$(echo .)com \
--cc=pabeni@redhat$(echo .)com \
--cc=petrm@nvidia$(echo .)com \
--cc=razor@blackwall$(echo .)org \
--cc=roopa@nvidia$(echo .)com \
--cc=schultz.hans@gmail$(echo .)com \
--cc=sean.wang@mediatek$(echo .)com \
--cc=shuah@kernel$(echo .)org \
--cc=troglobit@gmail$(echo .)com \
--cc=vivien.didelot@gmail$(echo .)com \
--cc=wangyuweihx@gmail$(echo .)com \
--cc=woojung.huh@microchip$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox