| 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
| ||
|
Date: Thu, 29 Oct 2020 04:27:37 +0200
From: Vladimir Oltean <vladimir.oltean@....com>
To: Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH net-next 4/5] net: mscc: ocelot: make entry_type a member of struct ocelot_multicast
This saves a re-classification of the MDB address on deletion.
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
drivers/net/ethernet/mscc/ocelot.c | 51 +++++++++++++++---------------
drivers/net/ethernet/mscc/ocelot.h | 17 +++++-----
2 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index ea49d715c9d0..713ab6ec8c8d 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -962,7 +962,7 @@ static enum macaccess_entry_type ocelot_classify_mdb(const unsigned char *addr)
}
static int ocelot_mdb_get_pgid(struct ocelot *ocelot,
- enum macaccess_entry_type entry_type)
+ const struct ocelot_multicast *mc)
{
int pgid;
@@ -971,8 +971,8 @@ static int ocelot_mdb_get_pgid(struct ocelot *ocelot,
* destination mask table (PGID), the destination set is programmed as
* part of the entry MAC address.", and the DEST_IDX is set to 0.
*/
- if (entry_type == ENTRYTYPE_MACv4 ||
- entry_type == ENTRYTYPE_MACv6)
+ if (mc->entry_type == ENTRYTYPE_MACv4 ||
+ mc->entry_type == ENTRYTYPE_MACv6)
return 0;
for_each_nonreserved_multicast_dest_pgid(ocelot, pgid) {
@@ -994,16 +994,15 @@ static int ocelot_mdb_get_pgid(struct ocelot *ocelot,
}
static void ocelot_encode_ports_to_mdb(unsigned char *addr,
- struct ocelot_multicast *mc,
- enum macaccess_entry_type entry_type)
+ struct ocelot_multicast *mc)
{
ether_addr_copy(addr, mc->addr);
- if (entry_type == ENTRYTYPE_MACv4) {
+ if (mc->entry_type == ENTRYTYPE_MACv4) {
addr[0] = 0;
addr[1] = mc->ports >> 8;
addr[2] = mc->ports & 0xff;
- } else if (entry_type == ENTRYTYPE_MACv6) {
+ } else if (mc->entry_type == ENTRYTYPE_MACv6) {
addr[0] = mc->ports >> 8;
addr[1] = mc->ports & 0xff;
}
@@ -1013,7 +1012,6 @@ int ocelot_port_mdb_add(struct ocelot *ocelot, int port,
const struct switchdev_obj_port_mdb *mdb)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];
- enum macaccess_entry_type entry_type;
unsigned char addr[ETH_ALEN];
struct ocelot_multicast *mc;
u16 vid = mdb->vid;
@@ -1024,12 +1022,20 @@ int ocelot_port_mdb_add(struct ocelot *ocelot, int port,
if (!vid)
vid = ocelot_port->pvid;
- entry_type = ocelot_classify_mdb(mdb->addr);
-
mc = ocelot_multicast_get(ocelot, mdb->addr, vid);
if (!mc) {
/* New entry */
- int pgid = ocelot_mdb_get_pgid(ocelot, entry_type);
+ int pgid;
+
+ mc = devm_kzalloc(ocelot->dev, sizeof(*mc), GFP_KERNEL);
+ if (!mc)
+ return -ENOMEM;
+
+ mc->entry_type = ocelot_classify_mdb(mdb->addr);
+ ether_addr_copy(mc->addr, mdb->addr);
+ mc->vid = vid;
+
+ pgid = ocelot_mdb_get_pgid(ocelot, mc);
if (pgid < 0) {
dev_err(ocelot->dev,
@@ -1038,24 +1044,19 @@ int ocelot_port_mdb_add(struct ocelot *ocelot, int port,
return -ENOSPC;
}
- mc = devm_kzalloc(ocelot->dev, sizeof(*mc), GFP_KERNEL);
- if (!mc)
- return -ENOMEM;
-
- ether_addr_copy(mc->addr, mdb->addr);
- mc->vid = vid;
mc->pgid = pgid;
list_add_tail(&mc->list, &ocelot->multicast);
} else {
- ocelot_encode_ports_to_mdb(addr, mc, entry_type);
+ ocelot_encode_ports_to_mdb(addr, mc);
ocelot_mact_forget(ocelot, addr, vid);
}
mc->ports |= BIT(port);
- ocelot_encode_ports_to_mdb(addr, mc, entry_type);
+ ocelot_encode_ports_to_mdb(addr, mc);
- return ocelot_mact_learn(ocelot, mc->pgid, addr, vid, entry_type);
+ return ocelot_mact_learn(ocelot, mc->pgid, addr, vid,
+ mc->entry_type);
}
EXPORT_SYMBOL(ocelot_port_mdb_add);
@@ -1063,7 +1064,6 @@ int ocelot_port_mdb_del(struct ocelot *ocelot, int port,
const struct switchdev_obj_port_mdb *mdb)
{
struct ocelot_port *ocelot_port = ocelot->ports[port];
- enum macaccess_entry_type entry_type;
unsigned char addr[ETH_ALEN];
struct ocelot_multicast *mc;
u16 vid = mdb->vid;
@@ -1078,9 +1078,7 @@ int ocelot_port_mdb_del(struct ocelot *ocelot, int port,
if (!mc)
return -ENOENT;
- entry_type = ocelot_classify_mdb(mdb->addr);
-
- ocelot_encode_ports_to_mdb(addr, mc, entry_type);
+ ocelot_encode_ports_to_mdb(addr, mc);
ocelot_mact_forget(ocelot, addr, vid);
mc->ports &= ~BIT(port);
@@ -1090,9 +1088,10 @@ int ocelot_port_mdb_del(struct ocelot *ocelot, int port,
return 0;
}
- ocelot_encode_ports_to_mdb(addr, mc, entry_type);
+ ocelot_encode_ports_to_mdb(addr, mc);
- return ocelot_mact_learn(ocelot, mc->pgid, addr, vid, entry_type);
+ return ocelot_mact_learn(ocelot, mc->pgid, addr, vid,
+ mc->entry_type);
}
EXPORT_SYMBOL(ocelot_port_mdb_del);
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h
index abb407dff93c..7f8b34c49971 100644
--- a/drivers/net/ethernet/mscc/ocelot.h
+++ b/drivers/net/ethernet/mscc/ocelot.h
@@ -41,14 +41,6 @@ struct frame_info {
u32 timestamp; /* rew_val */
};
-struct ocelot_multicast {
- struct list_head list;
- unsigned char addr[ETH_ALEN];
- u16 vid;
- u16 ports;
- int pgid;
-};
-
struct ocelot_port_tc {
bool block_shared;
unsigned long offload_cnt;
@@ -87,6 +79,15 @@ enum macaccess_entry_type {
ENTRYTYPE_MACv6,
};
+struct ocelot_multicast {
+ struct list_head list;
+ enum macaccess_entry_type entry_type;
+ unsigned char addr[ETH_ALEN];
+ u16 vid;
+ u16 ports;
+ int pgid;
+};
+
int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
bool is_static, void *data);
int ocelot_mact_learn(struct ocelot *ocelot, int port,
--
2.25.1
Powered by blists - more mailing lists