xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Código Issues Pull requests Ações Pacotes Projetos Versões Wiki Atividade

nl80211: Add TX queue parameter configuration

Ver código fonte 
Add a new attribute, NL80211_ATTR_WIPHY_TXQ_PARAMS, that can be used with
NL80211_CMD_SET_WIPHY for userspace (e.g., hostapd) to set TX queue
parameters (txop, cwmin, cwmax, aifs).

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Esse commit está contido em:
Jouni Malinen
2008-10-30 16:59:24 +02:00
commit de John W. Linville
pai 1e898ff83c
commit 318884875b
4 arquivos alterados com 151 adições e 7 exclusões
Baixar arquivo de patch Baixar arquivo de diferenças Expandir todos os arquivos Colapsar todos os arquivos

67
net/wireless/nl80211.c
Ver arquivo

@@ -58,6 +58,7 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
.len = BUS_ID_SIZE-1 },
[NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
@@ -286,20 +287,76 @@ static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info)
return -ENOBUFS;
}
static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = {
[NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 },
[NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 },
[NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 },
[NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 },
[NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 },
};
static int parse_txq_params(struct nlattr *tb[],
struct ieee80211_txq_params *txq_params)
{
if (!tb[NL80211_TXQ_ATTR_QUEUE] || !tb[NL80211_TXQ_ATTR_TXOP] ||
!tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] ||
!tb[NL80211_TXQ_ATTR_AIFS])
return -EINVAL;
txq_params->queue = nla_get_u8(tb[NL80211_TXQ_ATTR_QUEUE]);
txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]);
txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]);
txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]);
txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]);
return 0;
}
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
int result;
if (!info->attrs[NL80211_ATTR_WIPHY_NAME])
return -EINVAL;
int result = 0, rem_txq_params = 0;
struct nlattr *nl_txq_params;
rdev = cfg80211_get_dev_from_info(info);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
result = cfg80211_dev_rename(rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
if (info->attrs[NL80211_ATTR_WIPHY_NAME]) {
result = cfg80211_dev_rename(
rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
if (result)
goto bad_res;
}
if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
struct ieee80211_txq_params txq_params;
struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
if (!rdev->ops->set_txq_params) {
result = -EOPNOTSUPP;
goto bad_res;
}
nla_for_each_nested(nl_txq_params,
info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
rem_txq_params) {
nla_parse(tb, NL80211_TXQ_ATTR_MAX,
nla_data(nl_txq_params),
nla_len(nl_txq_params),
txq_params_policy);
result = parse_txq_params(tb, &txq_params);
if (result)
goto bad_res;
result = rdev->ops->set_txq_params(&rdev->wiphy,
&txq_params);
if (result)
goto bad_res;
}
}
bad_res:
cfg80211_put_dev(rdev);
return result;
}