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spf=none smtp.mailfrom=pradeepc@codeaurora.org From: Pradeep Kumar Chitrapu To: Johannes Berg , ath11k@lists.infradead.org Subject: [PATCH v2 9/9] ath11k: Add support for 6g scan hint Date: Fri, 22 May 2020 00:24:31 -0700 Message-Id: <20200522072431.27601-10-pradeepc@codeaurora.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200522072431.27601-1-pradeepc@codeaurora.org> References: <20200522072431.27601-1-pradeepc@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200522_002515_146634_6C1BBE58 X-CRM114-Status: GOOD ( 12.18 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [104.130.122.26 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [104.130.122.26 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Pradeep Kumar Chitrapu , linux-wireless@vger.kernel.org MIME-Version: 1.0 Sender: "ath11k" Errors-To: ath11k-bounces+patchwork-ath11k=patchwork.kernel.org@lists.infradead.org Add support for 6Ghz short ssid and bssid hint mechanism as part of scan command. Signed-off-by: Pradeep Kumar Chitrapu --- drivers/net/wireless/ath/ath11k/wmi.c | 72 +++++++++++++++++++++++++++ drivers/net/wireless/ath/ath11k/wmi.h | 22 ++++++++ 2 files changed, 94 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c index ad3a7b68d308..317376a4eb6e 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.c +++ b/drivers/net/wireless/ath/ath11k/wmi.c @@ -2005,6 +2005,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, int i, ret, len; u32 *tmp_ptr; u8 extraie_len_with_pad = 0; + struct hint_short_ssid *s_ssid = NULL; + struct hint_bssid *hint_bssid = NULL; len = sizeof(*cmd); @@ -2026,6 +2028,14 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, roundup(params->extraie.len, sizeof(u32)); len += extraie_len_with_pad; + if (params->num_hint_bssid) + len += TLV_HDR_SIZE + + params->num_hint_bssid * sizeof(struct hint_bssid); + + if (params->num_hint_s_ssid) + len += TLV_HDR_SIZE + + params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len); if (!skb) return -ENOMEM; @@ -2126,6 +2136,68 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar, ptr += extraie_len_with_pad; + if (params->num_hint_s_ssid) { + len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + s_ssid = ptr; + for (i = 0; i < params->num_hint_s_ssid; ++i) { + s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags; + s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid; + s_ssid++; + } + ptr += len; + } + + if (params->num_hint_bssid) { + len = params->num_hint_bssid * sizeof(struct hint_bssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + hint_bssid = ptr; + for (i = 0; i < params->num_hint_bssid; ++i) { + hint_bssid->freq_flags = + params->hint_bssid[i].freq_flags; + ether_addr_copy(¶ms->hint_bssid[i].bssid.addr[0], + &hint_bssid->bssid.addr[0]); + hint_bssid++; + } + } + + len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + if (params->num_hint_s_ssid) { + s_ssid = ptr; + for (i = 0; i < params->num_hint_s_ssid; ++i) { + s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags; + s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid; + s_ssid++; + } + } + ptr += len; + + len = params->num_hint_bssid * sizeof(struct hint_bssid); + tlv = ptr; + tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) | + FIELD_PREP(WMI_TLV_LEN, len); + ptr += TLV_HDR_SIZE; + if (params->num_hint_bssid) { + hint_bssid = ptr; + for (i = 0; i < params->num_hint_bssid; ++i) { + hint_bssid->freq_flags = + params->hint_bssid[i].freq_flags; + ether_addr_copy(¶ms->hint_bssid[i].bssid.addr[0], + &hint_bssid->bssid.addr[0]); + hint_bssid++; + } + } + ret = ath11k_wmi_cmd_send(wmi, skb, WMI_START_SCAN_CMDID); if (ret) { diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h index 319ad7241e01..1162bd7a5f87 100644 --- a/drivers/net/wireless/ath/ath11k/wmi.h +++ b/drivers/net/wireless/ath/ath11k/wmi.h @@ -50,6 +50,14 @@ struct wmi_tlv { #define WMI_MAX_MEM_REQS 32 #define ATH11K_MAX_HW_LISTEN_INTERVAL 5 +#define WLAN_SCAN_MAX_HINT_S_SSID 10 +#define WLAN_SCAN_MAX_HINT_BSSID 10 +#define MAX_RNR_BSS 5 + +#define WLAN_SCAN_MAX_HINT_S_SSID 10 +#define WLAN_SCAN_MAX_HINT_BSSID 10 +#define MAX_RNR_BSS 5 + #define WLAN_SCAN_PARAMS_MAX_SSID 16 #define WLAN_SCAN_PARAMS_MAX_BSSID 4 #define WLAN_SCAN_PARAMS_MAX_IE_LEN 256 @@ -3105,6 +3113,16 @@ enum { ((flag) |= (((mode) << WMI_SCAN_DWELL_MODE_SHIFT) & \ WMI_SCAN_DWELL_MODE_MASK)) +struct hint_short_ssid { + u32 freq_flags; + u32 short_ssid; +}; + +struct hint_bssid { + u32 freq_flags; + struct wmi_mac_addr bssid; +}; + struct scan_req_params { u32 scan_id; u32 scan_req_id; @@ -3184,6 +3202,10 @@ struct scan_req_params { struct element_info extraie; struct element_info htcap; struct element_info vhtcap; + u32 num_hint_s_ssid; + u32 num_hint_bssid; + struct hint_short_ssid hint_s_ssid[WLAN_SCAN_MAX_HINT_S_SSID]; + struct hint_bssid hint_bssid[WLAN_SCAN_MAX_HINT_BSSID]; }; struct wmi_ssid_arg {