diff options
| author | Yingying Tang <yintang@codeaurora.org> | 2020-03-18 19:45:11 +0530 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-03-22 12:22:01 +0200 |
| commit | 95a568c4a4611020d403b1ae8bc284133c53a7fe (patch) | |
| tree | 1f7fd35d805ee604047258f04c6389b05c8565e2 /drivers/net/wireless/ath/ath10k/htt_tx.c | |
| parent | acc79d981c1462b22a7a2cb0d39725f8c01fc425 (diff) | |
ath10k: Fill GCMP MIC length for PMF
GCMP MIC length is not filled for GCMP/GCMP-256 cipher suites in
PMF enabled case. Due to mismatch in MIC length, deauth/disassoc frames
are unencrypted.
This patch fills proper MIC length for GCMP/GCMP-256 cipher suites.
Tested HW: QCA9984, QCA9888
Tested FW: 10.4-3.6-00104
Signed-off-by: Yingying Tang <yintang@codeaurora.org>
Co-developed-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Signed-off-by: Sowmiya Sree Elavalagan <ssreeela@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/htt_tx.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/htt_tx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index a182c0944cc7..e9d12ea708b6 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -1163,6 +1163,7 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) int len = 0; int msdu_id = -1; int res; + const u8 *peer_addr; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)msdu->data; len += sizeof(cmd->hdr); @@ -1178,7 +1179,16 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) ieee80211_is_deauth(hdr->frame_control) || ieee80211_is_disassoc(hdr->frame_control)) && ieee80211_has_protected(hdr->frame_control)) { - skb_put(msdu, IEEE80211_CCMP_MIC_LEN); + peer_addr = hdr->addr1; + if (is_multicast_ether_addr(peer_addr)) { + skb_put(msdu, sizeof(struct ieee80211_mmie_16)); + } else { + if (skb_cb->ucast_cipher == WLAN_CIPHER_SUITE_GCMP || + skb_cb->ucast_cipher == WLAN_CIPHER_SUITE_GCMP_256) + skb_put(msdu, IEEE80211_GCMP_MIC_LEN); + else + skb_put(msdu, IEEE80211_CCMP_MIC_LEN); + } } txdesc = ath10k_htc_alloc_skb(ar, len); |