Return-path: Received: from mail-sn1nam01on0085.outbound.protection.outlook.com ([104.47.32.85]:59533 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752177AbdKMK2i (ORCPT ); Mon, 13 Nov 2017 05:28:38 -0500 From: Sergey Matyukevich To: linux-wireless@vger.kernel.org Cc: Igor Mitsyanko , Avinash Patil , Vasily Ulyanov Subject: [PATCH 07/10] qtnfmac: fill wiphy's extended capabilities Date: Mon, 13 Nov 2017 13:28:12 +0300 Message-Id: <20171113102815.11254-8-sergey.matyukevich.os@quantenna.com> (sfid-20171113_112927_840411_5E1A353E) In-Reply-To: <20171113102815.11254-1-sergey.matyukevich.os@quantenna.com> References: <20171113102815.11254-1-sergey.matyukevich.os@quantenna.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Vasily Ulyanov These are needed to inform userspace about features the hardware supports (e.g. BSS Transition Management 802.11v) Signed-off-by: Vasily Ulyanov --- drivers/net/wireless/quantenna/qtnfmac/commands.c | 44 +++++++++++++++++++++++ drivers/net/wireless/quantenna/qtnfmac/core.c | 2 ++ drivers/net/wireless/quantenna/qtnfmac/core.h | 3 ++ drivers/net/wireless/quantenna/qtnfmac/qlink.h | 1 + 4 files changed, 50 insertions(+) diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c index 7089f3eb7a87..839e86b99837 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.c +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c @@ -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; } diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.c b/drivers/net/wireless/quantenna/qtnfmac/core.c index ea850cb7dffc..3de0b26f839d 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/core.c +++ b/drivers/net/wireless/quantenna/qtnfmac/core.c @@ -381,6 +381,8 @@ static void qtnf_core_mac_detach(struct qtnf_bus *bus, unsigned int macid) } kfree(mac->macinfo.limits); + kfree(mac->macinfo.extended_capabilities); + kfree(mac->macinfo.extended_capabilities_mask); kfree(wiphy->iface_combinations); wiphy_free(wiphy); bus->mac[macid] = NULL; diff --git a/drivers/net/wireless/quantenna/qtnfmac/core.h b/drivers/net/wireless/quantenna/qtnfmac/core.h index 8e42d1bdc65f..d7e295efb07d 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/core.h +++ b/drivers/net/wireless/quantenna/qtnfmac/core.h @@ -106,6 +106,9 @@ struct qtnf_mac_info { struct ieee80211_vht_cap vht_cap_mod_mask; struct ieee80211_iface_limit *limits; size_t n_limits; + u8 *extended_capabilities; + u8 *extended_capabilities_mask; + u8 extended_capabilities_len; }; struct qtnf_chan_stats { diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h index 1f150be98820..f4d7d1603e3c 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h +++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h @@ -1020,6 +1020,7 @@ enum qlink_tlv_id { QTN_TLV_ID_KEY = 0x0302, QTN_TLV_ID_SEQ = 0x0303, QTN_TLV_ID_IE_SET = 0x0305, + QTN_TLV_ID_EXT_CAPABILITY_MASK = 0x0306, }; struct qlink_tlv_hdr { -- 2.11.0