[v2,08/17] Add API to get MLD address from basic ML IE

Message ID	20220908144423.2222859-9-quic_vjakkam@quicinc.com
State	Accepted
Headers	show Return-Path: <hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> From: Veerendranath Jakkam <quic_vjakkam@quicinc.com> To: <hostap@lists.infradead.org> CC: <quic_vjakkam@quicinc.com> Subject: [PATCH v2 08/17] Add API to get MLD address from basic ML IE Date: Thu, 8 Sep 2022 20:14:14 +0530 Message-ID: <20220908144423.2222859-9-quic_vjakkam@quicinc.com> In-Reply-To: <20220908144423.2222859-1-quic_vjakkam@quicinc.com> References: <20220908144423.2222859-1-quic_vjakkam@quicinc.com> MIME-Version: 1.0 preview: From: Shivani Baranwal <quic_shivbara@quicinc.com> Add utility API to fetch Multi-Link Device(MLD) address from basic Multi-Link(ML) IE. Signed-off-by: Shivani Baranwal <quic_shivbara@quicinc.com> --- src/common/ieee802_11_common.c \| 21 +++++++++++++++++++++ src/common/ieee802_11_common.h \| 1 + 2 files changed, 22 insertions(+) Content analysis details: (-0.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [205.220.180.131 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -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 -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain Precedence: list Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Hostap" <hostap-bounces@lists.infradead.org> Errors-To: hostap-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org
Series	MLD STA: Add support for open MLO connection when driver's SME in use \| expand [v2,00/17] MLD STA: Add support for open MLO connection when driver's SME in use [v2,01/17] EHT: Add Multi-Link element field definitions [v2,02/17] Add API to get ML IE of specified type from IEs buffer [v2,03/17] MLD STA: Add support to parse MLO connection info in NL80211_CMD_CONNECT event [v2,04/17] MLD STA: Indicate MLO connection info in driver status [v2,05/17] MLD STA: Add support to fetch MLO connection info to wpa_s [v2,06/17] MLD STA: Use AP MLD address to set supplicant port as authorized [v2,07/17] scan: Add API to get ML IE of specified type from scan result IEs [v2,08/17] Add API to get MLD address from basic ML IE [v2,09/17] bss: Parse and store MLD address of the AP from ML IE [v2,10/17] bss: Indicate AP MLD address in bss info [v2,11/17] MLD STA: Indicate AP MLD address in CTRL-EVENT-CONNECTED [v2,12/17] MLD STA: Indicate AP MLD address in STATUS command [v2,13/17] driver_nl80211: send bssid info as parameter to nl80211_get_link_signal [v2,14/17] MLD STA: Add support for MLO_STATUS control interface command [v2,15/17] MLD STA: Add support for indicating per-link MLO signal poll [v2,16/17] MLD STA: Add support to indicate per link channel switch [v2,17/17] Add support for parsing MLO connection info from roam+auth event

Message ID

20220908144423.2222859-9-quic_vjakkam@quicinc.com

State

Accepted

Headers

From: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
To: <hostap@lists.infradead.org>
CC: <quic_vjakkam@quicinc.com>
Subject: [PATCH v2 08/17] Add API to get MLD address from basic ML IE
Date: Thu, 8 Sep 2022 20:14:14 +0530
Message-ID: <20220908144423.2222859-9-quic_vjakkam@quicinc.com>
In-Reply-To: <20220908144423.2222859-1-quic_vjakkam@quicinc.com>
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Series

MLD STA: Add support for open MLO connection when driver's SME in use | expand

Commit Message

Veerendranath Jakkam Sept. 8, 2022, 2:44 p.m. UTC

From: Shivani Baranwal <quic_shivbara@quicinc.com>

Add utility API to fetch Multi-Link Device(MLD) address from
basic Multi-Link(ML) IE.

Signed-off-by: Shivani Baranwal <quic_shivbara@quicinc.com>
---
 src/common/ieee802_11_common.c | 21 +++++++++++++++++++++
 src/common/ieee802_11_common.h |  1 +
 2 files changed, 22 insertions(+)

diff --git a/src/common/ieee802_11_common.c b/src/common/ieee802_11_common.c
index 0eac3f84c..8b3b7d3af 100644
--- a/src/common/ieee802_11_common.c
+++ b/src/common/ieee802_11_common.c
@@ -2771,3 +2771,24 @@  const u8 * get_ml_ie(const u8 *ies, size_t len, u8 type)
 
 	return NULL;
 }
+
+const u8 * get_basic_mle_mld_addr(const u8 *buf, size_t len)
+{
+#define BASIC_ML_IE_FIXED_LENGTH \
+		(2 + /* Control field */ \
+		 1 + /* Common info length field */ \
+		 6) /* MLD mac address field */
+	if (len < BASIC_ML_IE_FIXED_LENGTH)
+		return NULL;
+#undef BASIC_ML_IE_FIXED_LENGTH
+
+	if ((buf[0] & MULTI_LINK_CONTROL_TYPE_MASK) !=
+	     MULTI_LINK_CONTROL_TYPE_BASIC)
+		return NULL;
+
+#define BASIC_ML_IE_MLD_ADDR_IDX \
+		(2 + /* Control field */ \
+		 1) /* Common Info length field */
+	return &buf[BASIC_ML_IE_MLD_ADDR_IDX];
+#undef BASIC_ML_IE_MLD_ADDR_IDX
+}
diff --git a/src/common/ieee802_11_common.h b/src/common/ieee802_11_common.h
index bd2c9fbf5..c3a3234b3 100644
--- a/src/common/ieee802_11_common.h
+++ b/src/common/ieee802_11_common.h
@@ -344,5 +344,6 @@  struct wpabuf * ieee802_11_defrag_data(struct ieee802_11_elems *elems,
 struct wpabuf * ieee802_11_defrag(struct ieee802_11_elems *elems,
 				  u8 eid, u8 eid_ext);
 const u8 * get_ml_ie(const u8 *ies, size_t len, u8 type);
+const u8 * get_basic_mle_mld_addr(const u8 *buf, size_t len);
 
 #endif /* IEEE802_11_COMMON_H */

[v2,08/17] Add API to get MLD address from basic ML IE

Commit Message

Patch