tx.c revision 6b4a7e0fbd772495572e038d296853a741e0454b
1876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 2876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * This file contains the handling of TX in wlan driver. 3876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 4876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include <linux/netdevice.h> 5876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 6876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "hostcmd.h" 7876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "radiotap.h" 8876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "decl.h" 9876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "defs.h" 10876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "dev.h" 11876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "wext.h" 12876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 13876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 14876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @brief This function converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE 15876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * units (500 Kb/s) into Marvell WLAN format (see Table 8 in Section 3.2.1) 16876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 17876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @param rate Input rate 18876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @return Output Rate (0 if invalid) 19876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 20876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosattistatic u32 convert_radiotap_rate_to_mv(u8 rate) 21876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 22876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti switch (rate) { 23876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 2: /* 1 Mbps */ 24876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 0 | (1 << 4); 25876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 4: /* 2 Mbps */ 26876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 1 | (1 << 4); 27876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 11: /* 5.5 Mbps */ 28876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 2 | (1 << 4); 29876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 22: /* 11 Mbps */ 30876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 3 | (1 << 4); 31876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 12: /* 6 Mbps */ 32876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 4 | (1 << 4); 33876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 18: /* 9 Mbps */ 34876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 5 | (1 << 4); 35876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 24: /* 12 Mbps */ 36876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 6 | (1 << 4); 37876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 36: /* 18 Mbps */ 38876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 7 | (1 << 4); 39876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 48: /* 24 Mbps */ 40876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 8 | (1 << 4); 41876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 72: /* 36 Mbps */ 42876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 9 | (1 << 4); 43876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 96: /* 48 Mbps */ 44876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 10 | (1 << 4); 45876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 108: /* 54 Mbps */ 46876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 11 | (1 << 4); 47876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 48876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 0; 49876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 50876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 51876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 526b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse * @brief This function checks the conditions and sends packet to IF 536b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse * layer if everything is ok. 54876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 5569f9032d9dfeb763b467fdbe8cf5938f5457083aHolger Schurig * @param priv A pointer to struct lbs_private structure 56876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @param skb A pointer to skb which includes TX packet 57876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @return 0 or -1 58876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 596b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouseint lbs_process_tx(struct lbs_private *priv, struct sk_buff *skb) 60876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 616b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse int ret = -1; 62876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti struct txpd localtxpd; 63876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti struct txpd *plocaltxpd = &localtxpd; 64876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti u8 *p802x_hdr; 65876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti struct tx_radiotap_hdr *pradiotap_hdr; 66876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti u32 new_rate; 67aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse u8 *ptr = priv->tmptxbuf; 68876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 699012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_enter(LBS_DEB_TX); 70876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 716b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse lbs_deb_hex(LBS_DEB_TX, "TX Data", skb->data, min_t(unsigned int, skb->len, 100)); 726b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse 736b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse if (priv->dnld_sent) { 746b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse lbs_pr_alert( "TX error: dnld_sent = %d, not sending\n", 756b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse priv->dnld_sent); 766b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse goto done; 776b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse } 786b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse 796b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse if ((priv->psstate == PS_STATE_SLEEP) || 806b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse (priv->psstate == PS_STATE_PRE_SLEEP)) { 816b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse lbs_pr_alert("TX error: packet xmit in %ssleep mode\n", 826b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse priv->psstate == PS_STATE_SLEEP?"":"pre-"); 836b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse goto done; 846b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse } 856b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse 86aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->surpriseremoved) 87876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return -1; 88876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 89876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (!skb->len || (skb->len > MRVDRV_ETH_TX_PACKET_BUFFER_SIZE)) { 909012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_tx("tx err: skb length %d 0 or > %zd\n", 91876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti skb->len, MRVDRV_ETH_TX_PACKET_BUFFER_SIZE); 926b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse goto done_tx; 93876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 94876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 956b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse ret = 0; 96876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti memset(plocaltxpd, 0, sizeof(struct txpd)); 97876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 98981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse plocaltxpd->tx_packet_length = cpu_to_le16(skb->len); 99876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 100876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* offset of actual data */ 101981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse plocaltxpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd)); 102876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 103876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti p802x_hdr = skb->data; 104aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->monitormode != LBS_MONITOR_OFF) { 105876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 106876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* locate radiotap header */ 107876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti pradiotap_hdr = (struct tx_radiotap_hdr *)skb->data; 108876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 109876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* set txpd fields from the radiotap header */ 110876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti new_rate = convert_radiotap_rate_to_mv(pradiotap_hdr->rate); 111876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (new_rate != 0) { 112981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse /* use new tx_control[4:0] */ 113981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse plocaltxpd->tx_control = cpu_to_le32(new_rate); 114876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 115876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 116876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* skip the radiotap header */ 117876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti p802x_hdr += sizeof(struct tx_radiotap_hdr); 118981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse plocaltxpd->tx_packet_length = 11986760088a7c51ccc263ec3b8039ec9a7400a6d70David Woodhouse cpu_to_le16(le16_to_cpu(plocaltxpd->tx_packet_length) 120981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse - sizeof(struct tx_radiotap_hdr)); 121876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 122876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 123876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* copy destination address from 802.3 or 802.11 header */ 124aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->monitormode != LBS_MONITOR_OFF) 125876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti memcpy(plocaltxpd->tx_dest_addr_high, p802x_hdr + 4, ETH_ALEN); 126876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti else 127876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti memcpy(plocaltxpd->tx_dest_addr_high, p802x_hdr, ETH_ALEN); 128876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 129ece561919326236c7fb791a5e883f0eb76af029eHolger Schurig lbs_deb_hex(LBS_DEB_TX, "txpd", (u8 *) plocaltxpd, sizeof(struct txpd)); 130876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 131876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (IS_MESH_FRAME(skb)) { 132981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse plocaltxpd->tx_control |= cpu_to_le32(TxPD_MESH_FRAME); 133876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 134876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 135876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti memcpy(ptr, plocaltxpd, sizeof(struct txpd)); 136876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 137876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti ptr += sizeof(struct txpd); 138876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 139ece561919326236c7fb791a5e883f0eb76af029eHolger Schurig lbs_deb_hex(LBS_DEB_TX, "Tx Data", (u8 *) p802x_hdr, le16_to_cpu(plocaltxpd->tx_packet_length)); 14086760088a7c51ccc263ec3b8039ec9a7400a6d70David Woodhouse memcpy(ptr, p802x_hdr, le16_to_cpu(plocaltxpd->tx_packet_length)); 141208fdd2f447899164bd139452c291b155e53cee9Holger Schurig ret = priv->hw_host_to_card(priv, MVMS_DAT, 142aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse priv->tmptxbuf, 14386760088a7c51ccc263ec3b8039ec9a7400a6d70David Woodhouse le16_to_cpu(plocaltxpd->tx_packet_length) + 144981f187b7c4b237011d4175cae0120d5d203c0fdDavid Woodhouse sizeof(struct txpd)); 145876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 146876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (ret) { 147208fdd2f447899164bd139452c291b155e53cee9Holger Schurig lbs_deb_tx("tx err: hw_host_to_card returned 0x%X\n", ret); 1486b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse goto done_tx; 149876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 150876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1516b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse lbs_deb_tx("%s succeeds\n", __func__); 152876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1536b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhousedone_tx: 154876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (!ret) { 155876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti priv->stats.tx_packets++; 156876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti priv->stats.tx_bytes += skb->len; 157876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } else { 158876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti priv->stats.tx_dropped++; 159876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti priv->stats.tx_errors++; 160876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 161876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 162aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (!ret && priv->monitormode != LBS_MONITOR_OFF) { 163876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* Keep the skb to echo it back once Tx feedback is 164876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti received from FW */ 165876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti skb_orphan(skb); 166876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* stop processing outgoing pkts */ 167634b8f49c11f49272b09d13a34b22a17b8c3d419Holger Schurig netif_stop_queue(priv->dev); 1683cf840914bd467fa4cc76af1a01bba4d2813131cHolger Schurig if (priv->mesh_dev) 1693cf840914bd467fa4cc76af1a01bba4d2813131cHolger Schurig netif_stop_queue(priv->mesh_dev); 170f86a93e1b2d05a7a38a48c91f8fb8fc7e8f1c734David Woodhouse 171f86a93e1b2d05a7a38a48c91f8fb8fc7e8f1c734David Woodhouse /* Keep the skb around for when we get feedback */ 172aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse priv->currenttxskb = skb; 173876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } else { 174876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti dev_kfree_skb_any(skb); 175876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 176876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 177876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosattidone: 1789012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret); 179876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return ret; 180876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 181876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 182876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 183876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @brief This function sends to the host the last transmitted packet, 184876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * filling the radiotap headers with transmission information. 185876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 18669f9032d9dfeb763b467fdbe8cf5938f5457083aHolger Schurig * @param priv A pointer to struct lbs_private structure 187876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @param status A 32 bit value containing transmission status. 188876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 189876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * @returns void 190876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 19169f9032d9dfeb763b467fdbe8cf5938f5457083aHolger Schurigvoid lbs_send_tx_feedback(struct lbs_private *priv) 192876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 193876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti struct tx_radiotap_hdr *radiotap_hdr; 194aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse u32 status = priv->eventcause; 195876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti int txfail; 196876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti int try_count; 197876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 198aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->monitormode == LBS_MONITOR_OFF || 199aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse priv->currenttxskb == NULL) 200876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return; 201876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 202aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse radiotap_hdr = (struct tx_radiotap_hdr *)priv->currenttxskb->data; 203876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 204876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti txfail = (status >> 24); 205876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 206876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#if 0 207876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* The version of roofnet that we've tested does not use this yet 208876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * But it may be used in the future. 209876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 210876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (txfail) 211876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti radiotap_hdr->flags &= IEEE80211_RADIOTAP_F_TX_FAIL; 212876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#endif 213876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti try_count = (status >> 16) & 0xff; 214876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti radiotap_hdr->data_retries = (try_count) ? 215aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse (1 + priv->txretrycount - try_count) : 0; 216aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse lbs_upload_rx_packet(priv, priv->currenttxskb); 217aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse priv->currenttxskb = NULL; 21801d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave 219aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->connect_status == LBS_CONNECTED) 220634b8f49c11f49272b09d13a34b22a17b8c3d419Holger Schurig netif_wake_queue(priv->dev); 22101d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave 222aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->mesh_dev && (priv->mesh_connect_status == LBS_CONNECTED)) 22301d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave netif_wake_queue(priv->mesh_dev); 224876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 2251007832103d016d1563fab71d4cf2b057a0bccebHolger SchurigEXPORT_SYMBOL_GPL(lbs_send_tx_feedback); 226