mirror of
https://github.com/Telecominfraproject/wlan-ap.git
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62 lines
2.2 KiB
Diff
62 lines
2.2 KiB
Diff
From 234aa775f8046dc823a0ce72267f62045d81ee08 Mon Sep 17 00:00:00 2001
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From: Harshitha Prem <quic_hprem@quicinc.com>
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Date: Wed, 6 Jul 2022 17:03:52 +0530
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Subject: [PATCH] hostapd: Add config to truncate ext capabilities
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Certain legacy clients are not able to scan 11ax vaps due to
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extended capabilities which are more than 8bytes in length.
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Hence added a work around to trucate the ext caps to 8bytes
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based on the hostapd config ext_cap_len.
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Legacy clients are able to scan and connect if hostapd config
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as ext_cap_len=8, ieee80211ac=1, ieee80211ax=0
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Signed-off-by: Harshitha Prem <quic_hprem@quicinc.com>
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---
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hostapd/config_file.c | 2 ++
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src/ap/ap_config.h | 1 +
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src/ap/ieee802_11_shared.c | 3 +++
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3 files changed, 6 insertions(+)
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diff --git a/hostapd/config_file.c b/hostapd/config_file.c
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index ede28a7..d91f3fc 100644
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--- a/hostapd/config_file.c
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+++ b/hostapd/config_file.c
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@@ -2358,6 +2358,8 @@ static int hostapd_config_fill(struct hostapd_config *conf,
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conf->country[2] = strtol(pos, NULL, 16);
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} else if (os_strcmp(buf, "ieee80211d") == 0) {
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conf->ieee80211d = atoi(pos);
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+ } else if (os_strcmp(buf, "ext_cap_len") == 0) {
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+ conf->ext_cap_len = atoi(pos);
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} else if (os_strcmp(buf, "ieee80211h") == 0) {
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conf->ieee80211h = atoi(pos);
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} else if (os_strcmp(buf, "dfs_test_mode") == 0) {
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diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
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index 5d12cf5..5b14a7f 100644
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--- a/src/ap/ap_config.h
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+++ b/src/ap/ap_config.h
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@@ -1059,6 +1059,7 @@ struct hostapd_config {
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/* Use driver-generated interface addresses when adding multiple BSSs */
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u8 use_driver_iface_addr;
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u8 skip_unii1_dfs_switch;
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+ u8 ext_cap_len;
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#ifdef CONFIG_FST
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struct fst_iface_cfg fst_cfg;
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diff --git a/src/ap/ieee802_11_shared.c b/src/ap/ieee802_11_shared.c
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index 9536747..98be1ec 100644
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--- a/src/ap/ieee802_11_shared.c
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+++ b/src/ap/ieee802_11_shared.c
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@@ -456,6 +456,9 @@ u8 * hostapd_eid_ext_capab(struct hostapd_data *hapd, u8 *eid)
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if (len < hapd->iface->extended_capa_len)
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len = hapd->iface->extended_capa_len;
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+ if (hapd->iconf->ext_cap_len > 0 && hapd->iconf->ext_cap_len < len)
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+ len = hapd->iconf->ext_cap_len;
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+
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*pos++ = WLAN_EID_EXT_CAPAB;
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*pos++ = len;
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for (i = 0; i < len; i++, pos++) {
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--
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2.17.1
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