Return-path: Received: from mail-lb0-f169.google.com ([209.85.217.169]:42254 "EHLO mail-lb0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752809AbbBYMpy (ORCPT ); Wed, 25 Feb 2015 07:45:54 -0500 Received: by lbiw7 with SMTP id w7so3525585lbi.9 for ; Wed, 25 Feb 2015 04:45:53 -0800 (PST) From: Janusz Dziedzic To: ath10k@lists.infradead.org Cc: linux-wireless@vger.kernel.org, Janusz Dziedzic Subject: [RFCv2 4/4] ath10k: add WOW patterns support Date: Wed, 25 Feb 2015 13:44:58 +0100 Message-Id: <1424868298-17372-4-git-send-email-janusz.dziedzic@tieto.com> (sfid-20150225_134600_046841_0E81312F) In-Reply-To: <1424868298-17372-1-git-send-email-janusz.dziedzic@tieto.com> References: <1424868298-17372-1-git-send-email-janusz.dziedzic@tieto.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Add patterns support for WOW. Signed-off-by: Janusz Dziedzic --- drivers/net/wireless/ath/ath10k/core.c | 1 + drivers/net/wireless/ath/ath10k/hw.h | 1 + drivers/net/wireless/ath/ath10k/wmi-tlv.c | 2 +- drivers/net/wireless/ath/ath10k/wmi.h | 4 +++ drivers/net/wireless/ath/ath10k/wow.c | 49 ++++++++++++++++++++++++++++++- drivers/net/wireless/ath/ath10k/wow.h | 1 + 6 files changed, 56 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 39bf8fb..5bcf83ff 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -972,6 +972,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->max_num_stations = TARGET_TLV_NUM_STATIONS; ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS; ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC; + ar->wow.max_num_patterns = TARGET_TLV_NUM_WOW_PATTERNS; break; case ATH10K_FW_WMI_OP_VERSION_UNSET: case ATH10K_FW_WMI_OP_VERSION_MAX: diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 460771f..a06291b 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -263,6 +263,7 @@ struct ath10k_pktlog_hdr { 2) #define TARGET_TLV_NUM_TIDS ((TARGET_TLV_NUM_PEERS) * 2) #define TARGET_TLV_NUM_MSDU_DESC (1024 + 32) +#define TARGET_TLV_NUM_WOW_PATTERNS 22 /* Number of Copy Engines supported */ #define CE_COUNT 8 diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index deed5da..d8e20c6 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1229,7 +1229,7 @@ static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar) cfg->num_tdls_conn_table_entries = __cpu_to_le32(0x20); cfg->beacon_tx_offload_max_vdev = __cpu_to_le32(2); cfg->num_multicast_filter_entries = __cpu_to_le32(5); - cfg->num_wow_filters = __cpu_to_le32(0x16); + cfg->num_wow_filters = __cpu_to_le32(ar->wow.max_num_patterns); cfg->num_keep_alive_pattern = __cpu_to_le32(6); cfg->keep_alive_pattern_size = __cpu_to_le32(0); cfg->max_tdls_concurrent_sleep_sta = __cpu_to_le32(1); diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 7e0c9eb..b985dfd 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -5005,6 +5005,10 @@ struct wmi_wow_ev_arg { u32 data_len; }; +#define WOW_MIN_PATTERN_SIZE 1 +#define WOW_MAX_PATTERN_SIZE 148 +#define WOW_MAX_PKT_OFFSET 128 + struct ath10k; struct ath10k_vif; struct ath10k_fw_stats_pdev; diff --git a/drivers/net/wireless/ath/ath10k/wow.c b/drivers/net/wireless/ath/ath10k/wow.c index 77c2b4d..5c95fa4 100644 --- a/drivers/net/wireless/ath/ath10k/wow.c +++ b/drivers/net/wireless/ath/ath10k/wow.c @@ -23,9 +23,15 @@ #include "wmi.h" #include "wmi-ops.h" -static const struct wiphy_wowlan_support ath10k_wowlan_support = { +static struct wiphy_wowlan_support ath10k_wowlan_support = { .flags = WIPHY_WOWLAN_DISCONNECT | WIPHY_WOWLAN_MAGIC_PKT, + /* .n_patterns is set during driver runtime + * per hw/fw capabilities + */ + .pattern_min_len = WOW_MIN_PATTERN_SIZE, + .pattern_max_len = WOW_MAX_PATTERN_SIZE, + .max_pkt_offset = WOW_MAX_PKT_OFFSET, }; static int ath10k_wow_vif_cleanup(struct ath10k_vif *arvif) @@ -42,6 +48,15 @@ static int ath10k_wow_vif_cleanup(struct ath10k_vif *arvif) } } + for (i = 0; i < ar->wow.max_num_patterns; i++) { + ret = ath10k_wmi_wow_del_pattern(ar, arvif->vdev_id, i); + if (ret) { + ath10k_warn(ar, "failed to delete wow pattern %d for vdev %i: %d\n", + i, arvif->vdev_id, ret); + return ret; + } + } + return 0; } @@ -70,6 +85,8 @@ static int ath10k_vif_wow_set_wakeups(struct ath10k_vif *arvif, int ret, i; unsigned long wow_mask = 0; struct ath10k *ar = arvif->ar; + const struct cfg80211_pkt_pattern *patterns = wowlan->patterns; + int pattern_id = 0; /* Setup requested WOW features */ switch (arvif->vdev_type) { @@ -100,6 +117,35 @@ static int ath10k_vif_wow_set_wakeups(struct ath10k_vif *arvif, break; } + for (i = 0; i < wowlan->n_patterns; i++) { + u8 bitmask[WOW_MAX_PATTERN_SIZE] = {}; + int j; + + if (patterns[i].pattern_len > WOW_MAX_PATTERN_SIZE) + continue; + + /* convert bytemask to bitmask */ + for (j = 0; j < patterns[i].pattern_len; j++) + if (patterns[i].mask[j/8] & BIT(j%8)) + bitmask[j] = 0xff; + + ret = ath10k_wmi_wow_add_pattern(ar, arvif->vdev_id, + pattern_id, + patterns[i].pattern, + bitmask, + patterns[i].pattern_len, + patterns[i].pkt_offset); + if (ret) { + ath10k_warn(ar, "failed to add pattern %i to vdev %i: %d\n", + pattern_id, + arvif->vdev_id, ret); + return ret; + } + + pattern_id++; + __set_bit(WOW_PATTERN_MATCH_EVENT, &wow_mask); + } + for (i = 0; i < WOW_EVENT_MAX; i++) { if (!test_bit(i, &wow_mask)) continue; @@ -274,6 +320,7 @@ int ath10k_wow_init(struct ieee80211_hw *hw) if (!test_bit(ATH10K_FW_FEATURE_WOWLAN_SUPPORT, ar->fw_features)) return 0; + ath10k_wowlan_support.n_patterns = ar->wow.max_num_patterns; ar->hw->wiphy->wowlan = &ath10k_wowlan_support; return 0; diff --git a/drivers/net/wireless/ath/ath10k/wow.h b/drivers/net/wireless/ath/ath10k/wow.h index 32b724a..6c8bfe0 100644 --- a/drivers/net/wireless/ath/ath10k/wow.h +++ b/drivers/net/wireless/ath/ath10k/wow.h @@ -17,6 +17,7 @@ #define _WOW_H_ struct ath10k_wow { + u32 max_num_patterns; struct completion wakeup_completed; }; -- 1.9.1