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qcacld-3.0: Clear PTK and GTK install flags in disconnect handler

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PTK and GTK are installed to firmware and installation status
of each key is maintained in driver. Data transmission is allowed
only if both the keys are installed.
Currently these flags are getting cleared after installing both
ptk and gtk to firmware.
But if one key is installed and the other key is not installed
due to some reason(e.g. connection abort), corresponding status
is not cleared and being referred in the next connection attempt.
This is causing the data transmission to happen from driver to
firmware after installing GTK before installing PTK, as the
ptk_installed from previous connection is still set. This is
not allowed by firmware and issues an assertion.
PTK and GTK are invalid once the station disconnects. So reset
the flags as part of connection info cleanup.
Reset the flags before issuing connection also to avoid usage
of previous connect status or garbage values.

Change-Id: I8fa7bd0a15eab2fed80f050e77df3554d0f1b73a
CRs-Fixed: 2542785
This commit is contained in:
Srinivas Dasari 2019-10-10 18:37:24 +05:30 • committed by nshrivas
commit ff782fbcd8
2 changed files with 14 additions and 0 deletions
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7
core/hdd/src/wlan_hdd_assoc.c
View file

@ -1535,6 +1535,13 @@ static void hdd_conn_remove_connect_info(struct hdd_station_ctx *sta_ctx)
sta_ctx->conn_info.proxy_arp_service = 0;
qdf_mem_zero(&sta_ctx->conn_info.ssid, sizeof(tCsrSSIDInfo));
/*
* Reset the ptk, gtk status flags to avoid using current connection
* status in further connections.
*/
sta_ctx->conn_info.gtk_installed = false;
sta_ctx->conn_info.ptk_installed = false;
}
/**

7
core/hdd/src/wlan_hdd_cfg80211.c
View file

@ -17775,6 +17775,13 @@ static int wlan_hdd_cfg80211_connect_start(struct hdd_adapter *adapter,
qdf_mem_zero(&hdd_sta_ctx->conn_info.conn_flag,
sizeof(hdd_sta_ctx->conn_info.conn_flag));
/*
* Reset the ptk, gtk status flags to avoid using old/previous
* connection status.
*/
hdd_sta_ctx->conn_info.gtk_installed = false;
hdd_sta_ctx->conn_info.ptk_installed = false;
roam_profile = hdd_roam_profile(adapter);
if (roam_profile) {
struct hdd_station_ctx *sta_ctx;