diff options
| author | Carl Huang <quic_cjhuang@quicinc.com> | 2022-03-14 06:18:16 +0100 |
|---|---|---|
| committer | Kalle Valo <quic_kvalo@quicinc.com> | 2022-03-18 16:36:23 +0100 |
| commit | a16d9b50cfbaf112401b8e5ccfa852709f498cd4 (patch) | |
| tree | a611627e7743a84a7dcfa7bd65b4ccd5a45a3be2 /drivers/net/wireless/ath/ath11k/wow.c | |
| parent | ath11k: support ARP and NS offload (diff) | |
| download | linux-a16d9b50cfbaf112401b8e5ccfa852709f498cd4.tar.xz linux-a16d9b50cfbaf112401b8e5ccfa852709f498cd4.zip | |
ath11k: support GTK rekey offload
Host sets GTK related info to firmware before WoW is enabled, and
gets rekey replay_count and then disables GTK rekey when WoW quits.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-7-git-send-email-quic_cjhuang@quicinc.com
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/wow.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/wow.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath11k/wow.c b/drivers/net/wireless/ath/ath11k/wow.c index bc6a4d3d6d7c..93714df834b2 100644 --- a/drivers/net/wireless/ath/ath11k/wow.c +++ b/drivers/net/wireless/ath/ath11k/wow.c @@ -17,7 +17,9 @@ static const struct wiphy_wowlan_support ath11k_wowlan_support = { .flags = WIPHY_WOWLAN_DISCONNECT | - WIPHY_WOWLAN_MAGIC_PKT, + WIPHY_WOWLAN_MAGIC_PKT | + WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | + WIPHY_WOWLAN_GTK_REKEY_FAILURE, .pattern_min_len = WOW_MIN_PATTERN_SIZE, .pattern_max_len = WOW_MAX_PATTERN_SIZE, .max_pkt_offset = WOW_MAX_PKT_OFFSET, @@ -582,6 +584,41 @@ static int ath11k_wow_arp_ns_offload(struct ath11k *ar, bool enable) return 0; } +static int ath11k_gtk_rekey_offload(struct ath11k *ar, bool enable) +{ + struct ath11k_vif *arvif; + int ret; + + lockdep_assert_held(&ar->conf_mutex); + + list_for_each_entry(arvif, &ar->arvifs, list) { + if (arvif->vdev_type != WMI_VDEV_TYPE_STA || + !arvif->is_up || + !arvif->rekey_data.enable_offload) + continue; + + /* get rekey info before disable rekey offload */ + if (!enable) { + ret = ath11k_wmi_gtk_rekey_getinfo(ar, arvif); + if (ret) { + ath11k_warn(ar->ab, "failed to request rekey info vdev %i, ret %d\n", + arvif->vdev_id, ret); + return ret; + } + } + + ret = ath11k_wmi_gtk_rekey_offload(ar, arvif, enable); + + if (ret) { + ath11k_warn(ar->ab, "failed to offload gtk reky vdev %i: enable %d, ret %d\n", + arvif->vdev_id, enable, ret); + return ret; + } + } + + return 0; +} + static int ath11k_wow_protocol_offload(struct ath11k *ar, bool enable) { int ret; @@ -593,6 +630,13 @@ static int ath11k_wow_protocol_offload(struct ath11k *ar, bool enable) return ret; } + ret = ath11k_gtk_rekey_offload(ar, enable); + if (ret) { + ath11k_warn(ar->ab, "failed to offload gtk rekey %d %d\n", + enable, ret); + return ret; + } + return 0; } |