| 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: Tue, 19 Jun 2012 17:54:08 +0200
From: Jiri Pirko <jpirko@...hat.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, eric.dumazet@...il.com, jbrouer@...hat.com
Subject: [patch net-next 06/19] team: introduce array options
Signed-off-by: Jiri Pirko <jpirko@...hat.com>
---
drivers/net/team/team.c | 75 ++++++++++++++++++++++++++++++++---------------
include/linux/if_team.h | 3 ++
2 files changed, 55 insertions(+), 23 deletions(-)
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index f50b8ca..32cb290 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -90,6 +90,7 @@ struct team_option_inst { /* One for each option instance */
struct list_head list;
struct team_option *option;
struct team_port *port; /* != NULL if per-port */
+ u32 array_index;
bool changed;
bool removed;
};
@@ -106,22 +107,6 @@ static struct team_option *__team_find_option(struct team *team,
return NULL;
}
-static int __team_option_inst_add(struct team *team, struct team_option *option,
- struct team_port *port)
-{
- struct team_option_inst *opt_inst;
-
- opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL);
- if (!opt_inst)
- return -ENOMEM;
- opt_inst->option = option;
- opt_inst->port = port;
- opt_inst->changed = true;
- opt_inst->removed = false;
- list_add_tail(&opt_inst->list, &team->option_inst_list);
- return 0;
-}
-
static void __team_option_inst_del(struct team_option_inst *opt_inst)
{
list_del(&opt_inst->list);
@@ -139,14 +124,42 @@ static void __team_option_inst_del_option(struct team *team,
}
}
+static int __team_option_inst_add(struct team *team, struct team_option *option,
+ struct team_port *port)
+{
+ struct team_option_inst *opt_inst;
+ unsigned int array_size;
+ unsigned int i;
+
+ array_size = option->array_size;
+ if (!array_size)
+ array_size = 1; /* No array but still need one instance */
+
+ for (i = 0; i < array_size; i++) {
+ opt_inst = kmalloc(sizeof(*opt_inst), GFP_KERNEL);
+ if (!opt_inst)
+ return -ENOMEM;
+ opt_inst->option = option;
+ opt_inst->port = port;
+ opt_inst->array_index = i;
+ opt_inst->changed = true;
+ opt_inst->removed = false;
+ list_add_tail(&opt_inst->list, &team->option_inst_list);
+ }
+ return 0;
+}
+
static int __team_option_inst_add_option(struct team *team,
struct team_option *option)
{
struct team_port *port;
int err;
- if (!option->per_port)
- return __team_option_inst_add(team, option, 0);
+ if (!option->per_port) {
+ err = __team_option_inst_add(team, option, 0);
+ if (err)
+ goto inst_del_option;
+ }
list_for_each_entry(port, &team->port_list, list) {
err = __team_option_inst_add(team, option, port);
@@ -1567,6 +1580,11 @@ static int team_nl_fill_options_get(struct sk_buff *skb,
opt_inst->port->dev->ifindex))
goto nla_put_failure;
ctx.port = opt_inst->port;
+ if (opt_inst->option->array_size &&
+ nla_put_u32(skb, TEAM_ATTR_OPTION_ARRAY_INDEX,
+ opt_inst->array_index))
+ goto nla_put_failure;
+ ctx.array_index = opt_inst->array_index;
switch (option->type) {
case TEAM_OPTION_TYPE_U32:
if (nla_put_u8(skb, TEAM_ATTR_OPTION_TYPE, NLA_U32))
@@ -1668,10 +1686,12 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
nla_for_each_nested(nl_option, info->attrs[TEAM_ATTR_LIST_OPTION], i) {
struct nlattr *opt_attrs[TEAM_ATTR_OPTION_MAX + 1];
- struct nlattr *attr_port_ifindex;
+ struct nlattr *attr;
struct nlattr *attr_data;
enum team_option_type opt_type;
int opt_port_ifindex = 0; /* != 0 for per-port options */
+ u32 opt_array_index = 0;
+ bool opt_is_array = false;
struct team_option_inst *opt_inst;
char *opt_name;
bool opt_found = false;
@@ -1713,9 +1733,15 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
}
opt_name = nla_data(opt_attrs[TEAM_ATTR_OPTION_NAME]);
- attr_port_ifindex = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX];
- if (attr_port_ifindex)
- opt_port_ifindex = nla_get_u32(attr_port_ifindex);
+ attr = opt_attrs[TEAM_ATTR_OPTION_PORT_IFINDEX];
+ if (attr)
+ opt_port_ifindex = nla_get_u32(attr);
+
+ attr = opt_attrs[TEAM_ATTR_OPTION_ARRAY_INDEX];
+ if (attr) {
+ opt_is_array = true;
+ opt_array_index = nla_get_u32(attr);
+ }
list_for_each_entry(opt_inst, &team->option_inst_list, list) {
struct team_option *option = opt_inst->option;
@@ -1726,10 +1752,13 @@ static int team_nl_cmd_options_set(struct sk_buff *skb, struct genl_info *info)
opt_inst->port->dev->ifindex : 0;
if (option->type != opt_type ||
strcmp(option->name, opt_name) ||
- tmp_ifindex != opt_port_ifindex)
+ tmp_ifindex != opt_port_ifindex ||
+ (option->array_size && !opt_is_array) ||
+ opt_inst->array_index != opt_array_index)
continue;
opt_found = true;
ctx.port = opt_inst->port;
+ ctx.array_index = opt_inst->array_index;
switch (opt_type) {
case TEAM_OPTION_TYPE_U32:
ctx.data.u32_val = nla_get_u32(attr_data);
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 54af95f..b1719e2 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -93,6 +93,7 @@ struct team_gsetter_ctx {
} bin_val;
bool bool_val;
} data;
+ u32 array_index;
struct team_port *port;
};
@@ -100,6 +101,7 @@ struct team_option {
struct list_head list;
const char *name;
bool per_port;
+ unsigned int array_size; /* != 0 means the option is array */
enum team_option_type type;
int (*getter)(struct team *team, struct team_gsetter_ctx *ctx);
int (*setter)(struct team *team, struct team_gsetter_ctx *ctx);
@@ -242,6 +244,7 @@ enum {
TEAM_ATTR_OPTION_DATA, /* dynamic */
TEAM_ATTR_OPTION_REMOVED, /* flag */
TEAM_ATTR_OPTION_PORT_IFINDEX, /* u32 */ /* for per-port options */
+ TEAM_ATTR_OPTION_ARRAY_INDEX, /* u32 */ /* for array options */
__TEAM_ATTR_OPTION_MAX,
TEAM_ATTR_OPTION_MAX = __TEAM_ATTR_OPTION_MAX - 1,
--
1.7.10.2
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists