diff options
Diffstat (limited to 'package/network/services/hostapd/patches/051-nl80211-add-extra-ies-only-if-allowed-by-driver.patch')
| -rw-r--r-- | package/network/services/hostapd/patches/051-nl80211-add-extra-ies-only-if-allowed-by-driver.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/package/network/services/hostapd/patches/051-nl80211-add-extra-ies-only-if-allowed-by-driver.patch b/package/network/services/hostapd/patches/051-nl80211-add-extra-ies-only-if-allowed-by-driver.patch new file mode 100644 index 0000000000..de4d4ad3c2 --- /dev/null +++ b/package/network/services/hostapd/patches/051-nl80211-add-extra-ies-only-if-allowed-by-driver.patch @@ -0,0 +1,62 @@ +From: David Bauer <mail@david-bauer.net> +To: hostap@lists.infradead.org +Cc: =?utf-8?q?=C3=89tienne_Morice?= <neon.emorice@mail.com> +Subject: [PATCH] nl80211: add extra-ies only if allowed by driver +Date: Sun, 30 Jan 2022 20:22:00 +0100 +Message-Id: <20220130192200.10883-1-mail@david-bauer.net> +List-Id: <hostap.lists.infradead.org> + +Upgrading wpa_supplicant from 2.9 to 2.10 breaks broadcom-wl +based adapters. The reason for it is hostapd tries to install additional +IEs for scanning while the driver does not support this. + +The kernel indicates the maximum number of bytes for additional scan IEs +using the NL80211_ATTR_MAX_SCAN_IE_LEN attribute. Save this value and +only add additional scan IEs in case the driver can accommodate these +additional IEs. + +Reported-by: Étienne Morice <neon.emorice@mail.com> +Tested-by: Étienne Morice <neon.emorice@mail.com> +Signed-off-by: David Bauer <mail@david-bauer.net> +--- + src/drivers/driver.h | 3 +++ + src/drivers/driver_nl80211_capa.c | 4 ++++ + src/drivers/driver_nl80211_scan.c | 2 +- + 3 files changed, 8 insertions(+), 1 deletion(-) + +--- a/src/drivers/driver.h ++++ b/src/drivers/driver.h +@@ -2340,6 +2340,9 @@ struct wpa_driver_capa { + /** Maximum number of iterations in a single scan plan */ + u32 max_sched_scan_plan_iterations; + ++ /** Maximum number of extra IE bytes for scans */ ++ u16 max_scan_ie_len; ++ + /** Whether sched_scan (offloaded scanning) is supported */ + int sched_scan_supported; + +--- a/src/drivers/driver_nl80211_capa.c ++++ b/src/drivers/driver_nl80211_capa.c +@@ -972,6 +972,10 @@ static int wiphy_info_handler(struct nl_ + nla_get_u32(tb[NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS]); + } + ++ if (tb[NL80211_ATTR_MAX_SCAN_IE_LEN]) ++ capa->max_scan_ie_len = ++ nla_get_u16(tb[NL80211_ATTR_MAX_SCAN_IE_LEN]); ++ + if (tb[NL80211_ATTR_MAX_MATCH_SETS]) + capa->max_match_sets = + nla_get_u8(tb[NL80211_ATTR_MAX_MATCH_SETS]); +--- a/src/drivers/driver_nl80211_scan.c ++++ b/src/drivers/driver_nl80211_scan.c +@@ -221,7 +221,7 @@ nl80211_scan_common(struct i802_bss *bss + wpa_printf(MSG_DEBUG, "nl80211: Passive scan requested"); + } + +- if (params->extra_ies) { ++ if (params->extra_ies && drv->capa.max_scan_ie_len >= params->extra_ies_len) { + wpa_hexdump(MSG_MSGDUMP, "nl80211: Scan extra IEs", + params->extra_ies, params->extra_ies_len); + if (nla_put(msg, NL80211_ATTR_IE, params->extra_ies_len, |