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qtnfmac: fill wiphy's extended capabilities

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These are needed to inform userspace about features the hardware
supports (e.g. BSS Transition Management 802.11v)

Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Vasily Ulyanov
2017-12-19 14:28:53 +03:00
committed by Kalle Valo
parent fbad963a28
commit 9cbd599966
4 changed files with 50 additions and 0 deletions
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44
drivers/net/wireless/quantenna/qtnfmac/commands.c
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@@ -1029,6 +1029,10 @@ static int qtnf_parse_variable_mac_info(struct qtnf_wmac *mac,
struct qlink_iface_comb_num *comb;
size_t tlv_full_len;
const struct qlink_tlv_hdr *tlv;
u8 *ext_capa = NULL;
u8 *ext_capa_mask = NULL;
u8 ext_capa_len = 0;
u8 ext_capa_mask_len = 0;
mac->macinfo.n_limits = 0;
@@ -1092,6 +1096,18 @@ static int qtnf_parse_variable_mac_info(struct qtnf_wmac *mac,
if (limits[rec].types)
rec++;
break;
case WLAN_EID_EXT_CAPABILITY:
if (unlikely(tlv_value_len > U8_MAX))
return -EINVAL;
ext_capa = (u8 *)tlv->val;
ext_capa_len = tlv_value_len;
break;
case QTN_TLV_ID_EXT_CAPABILITY_MASK:
if (unlikely(tlv_value_len > U8_MAX))
return -EINVAL;
ext_capa_mask = (u8 *)tlv->val;
ext_capa_mask_len = tlv_value_len;
break;
default:
break;
}
@@ -1112,6 +1128,34 @@ static int qtnf_parse_variable_mac_info(struct qtnf_wmac *mac,
return -EINVAL;
}
if (ext_capa_len != ext_capa_mask_len) {
pr_err("MAC%u: ext_capa/_mask lengths mismatch: %u != %u\n",
mac->macid, ext_capa_len, ext_capa_mask_len);
return -EINVAL;
}
if (ext_capa_len > 0) {
ext_capa = kmemdup(ext_capa, ext_capa_len, GFP_KERNEL);
if (!ext_capa)
return -ENOMEM;
ext_capa_mask =
kmemdup(ext_capa_mask, ext_capa_mask_len, GFP_KERNEL);
if (!ext_capa_mask) {
kfree(ext_capa);
return -ENOMEM;
}
} else {
ext_capa = NULL;
ext_capa_mask = NULL;
}
kfree(mac->macinfo.extended_capabilities);
kfree(mac->macinfo.extended_capabilities_mask);
mac->macinfo.extended_capabilities = ext_capa;
mac->macinfo.extended_capabilities_mask = ext_capa_mask;
mac->macinfo.extended_capabilities_len = ext_capa_len;
return 0;
}