From a15bd00543a859a72546e4b09342b70e79e9ef1e Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sun, 21 Dec 2008 20:54:34 +0100 Subject: [PATCH] p54: label queues with their corresponding names This patch introduce new shiny named labels for our 8 (4 - on old firmware) queues. Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- drivers/net/wireless/p54/p54common.c | 50 +++++++++++++--------------- drivers/net/wireless/p54/p54common.h | 19 ++++++++++- 2 files changed, 41 insertions(+), 28 deletions(-) diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index 34561e6e816b..3298cb464f72 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -239,11 +239,11 @@ int p54_parse_firmware(struct ieee80211_hw *dev, const struct firmware *fw) if (priv->fw_var >= 0x300) { /* Firmware supports QoS, use it! */ - priv->tx_stats[4].limit = 3; /* AC_VO */ - priv->tx_stats[5].limit = 4; /* AC_VI */ - priv->tx_stats[6].limit = 3; /* AC_BE */ - priv->tx_stats[7].limit = 2; /* AC_BK */ - dev->queues = 4; + priv->tx_stats[P54_QUEUE_AC_VO].limit = 3; + priv->tx_stats[P54_QUEUE_AC_VI].limit = 4; + priv->tx_stats[P54_QUEUE_AC_BE].limit = 3; + priv->tx_stats[P54_QUEUE_AC_BK].limit = 2; + dev->queues = P54_QUEUE_AC_NUM; } if (!modparam_nohwcrypt) @@ -655,7 +655,8 @@ static void inline p54_wake_free_queues(struct ieee80211_hw *dev) return ; for (i = 0; i < dev->queues; i++) - if (priv->tx_stats[i + 4].len < priv->tx_stats[i + 4].limit) + if (priv->tx_stats[i + P54_QUEUE_DATA].len < + priv->tx_stats[i + P54_QUEUE_DATA].limit) ieee80211_wake_queue(dev, i); } @@ -1244,22 +1245,22 @@ static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb, if (unlikely(ieee80211_is_mgmt(hdr->frame_control))) { if (ieee80211_is_beacon(hdr->frame_control)) { *aid = 0; - *queue = 0; + *queue = P54_QUEUE_BEACON; *extra_len = IEEE80211_MAX_TIM_LEN; *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP; return 0; } else if (ieee80211_is_probe_resp(hdr->frame_control)) { *aid = 0; - *queue = 2; + *queue = P54_QUEUE_MGMT; *flags = P54_HDR_FLAG_DATA_OUT_TIMESTAMP | P54_HDR_FLAG_DATA_OUT_NOCANCEL; return 0; } else { - *queue = 2; + *queue = P54_QUEUE_MGMT; ret = 0; } } else { - *queue += 4; + *queue += P54_QUEUE_DATA; ret = 1; } @@ -1272,7 +1273,7 @@ static int p54_tx_fill(struct ieee80211_hw *dev, struct sk_buff *skb, case NL80211_IFTYPE_MESH_POINT: if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) { *aid = 0; - *queue = 3; + *queue = P54_QUEUE_CAB; return 0; } if (info->control.sta) @@ -1300,7 +1301,7 @@ static u8 p54_convert_algo(enum ieee80211_key_alg alg) static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_tx_queue_stats *current_queue = NULL; + struct ieee80211_tx_queue_stats *current_queue; struct p54_common *priv = dev->priv; struct p54_hdr *hdr; struct p54_tx_data *txhdr; @@ -1443,10 +1444,7 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) } txhdr->crypt_offset = crypt_offset; txhdr->hw_queue = queue; - if (current_queue) - txhdr->backlog = current_queue->len; - else - txhdr->backlog = 0; + txhdr->backlog = current_queue->len; memset(txhdr->durations, 0, sizeof(txhdr->durations)); txhdr->tx_antenna = (info->antenna_sel_tx == 0) ? 2 : info->antenna_sel_tx - 1; @@ -1468,10 +1466,8 @@ static int p54_tx(struct ieee80211_hw *dev, struct sk_buff *skb) err: skb_pull(skb, sizeof(*hdr) + sizeof(*txhdr) + padding); - if (current_queue) { - current_queue->len--; - current_queue->count--; - } + current_queue->len--; + current_queue->count--; return NETDEV_TX_BUSY; } @@ -2019,8 +2015,8 @@ static int p54_get_tx_stats(struct ieee80211_hw *dev, { struct p54_common *priv = dev->priv; - memcpy(stats, &priv->tx_stats[4], sizeof(stats[0]) * dev->queues); - + memcpy(stats, &priv->tx_stats[P54_QUEUE_DATA], + sizeof(stats[0]) * dev->queues); return 0; } @@ -2181,11 +2177,11 @@ struct ieee80211_hw *p54_init_common(size_t priv_data_len) BIT(NL80211_IFTYPE_MESH_POINT); dev->channel_change_time = 1000; /* TODO: find actual value */ - priv->tx_stats[0].limit = 1; /* Beacon queue */ - priv->tx_stats[1].limit = 1; /* Probe queue for HW scan */ - priv->tx_stats[2].limit = 3; /* queue for MLMEs */ - priv->tx_stats[3].limit = 3; /* Broadcast / MC queue */ - priv->tx_stats[4].limit = 5; /* Data */ + priv->tx_stats[P54_QUEUE_BEACON].limit = 1; + priv->tx_stats[P54_QUEUE_FWSCAN].limit = 1; + priv->tx_stats[P54_QUEUE_MGMT].limit = 3; + priv->tx_stats[P54_QUEUE_CAB].limit = 3; + priv->tx_stats[P54_QUEUE_DATA].limit = 5; dev->queues = 1; priv->noise = -94; /* diff --git a/drivers/net/wireless/p54/p54common.h b/drivers/net/wireless/p54/p54common.h index f5729de83fe1..514f660d0be9 100644 --- a/drivers/net/wireless/p54/p54common.h +++ b/drivers/net/wireless/p54/p54common.h @@ -329,7 +329,7 @@ struct p54_frame_sent { u8 padding; } __attribute__ ((packed)); -enum p54_tx_data_crypt { +enum p54_tx_data_crypt { P54_CRYPTO_NONE = 0, P54_CRYPTO_WEP, P54_CRYPTO_TKIP, @@ -340,6 +340,23 @@ enum p54_tx_data_crypt { P54_CRYPTO_AESCCMP }; +enum p54_tx_data_queue { + P54_QUEUE_BEACON = 0, + P54_QUEUE_FWSCAN = 1, + P54_QUEUE_MGMT = 2, + P54_QUEUE_CAB = 3, + P54_QUEUE_DATA = 4, + + P54_QUEUE_AC_NUM = 4, + P54_QUEUE_AC_VO = 4, + P54_QUEUE_AC_VI = 5, + P54_QUEUE_AC_BE = 6, + P54_QUEUE_AC_BK = 7, + + /* keep last */ + P54_QUEUE_NUM = 8, +}; + struct p54_tx_data { u8 rateset[8]; u8 rts_rate_idx;