tx.c revision 8973a6e770fc891f92daacbc1c92c7cd396fcf7e
18973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap/* 28973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * This file contains the handling of TX in wlan driver. 38973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap */ 4876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include <linux/netdevice.h> 56f93a8e7e41c2d29749242f983f41e3f6a75b40bDavid Woodhouse#include <linux/etherdevice.h> 6d43c36dc6b357fa1806800f18aa30123c747a6d1Alexey Dobriyan#include <linux/sched.h> 7e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar#include <net/cfg80211.h> 8876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 99e66e701d0e42efd548f0f7249af8a56f8e07b67Holger Schurig#include "host.h" 10876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "radiotap.h" 11876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "decl.h" 12876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "defs.h" 13876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti#include "dev.h" 14876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 15876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 168973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * convert_radiotap_rate_to_mv - converts Tx/Rx rates from IEEE80211_RADIOTAP_RATE 178973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * units (500 Kb/s) into Marvell WLAN format (see Table 8 in Section 3.2.1) 18876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 198973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * @rate: Input rate 208973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * returns: Output Rate (0 if invalid) 21876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 22876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosattistatic u32 convert_radiotap_rate_to_mv(u8 rate) 23876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 24876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti switch (rate) { 25876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 2: /* 1 Mbps */ 26876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 0 | (1 << 4); 27876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 4: /* 2 Mbps */ 28876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 1 | (1 << 4); 29876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 11: /* 5.5 Mbps */ 30876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 2 | (1 << 4); 31876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 22: /* 11 Mbps */ 32876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 3 | (1 << 4); 33876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 12: /* 6 Mbps */ 34876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 4 | (1 << 4); 35876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 18: /* 9 Mbps */ 36876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 5 | (1 << 4); 37876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 24: /* 12 Mbps */ 38876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 6 | (1 << 4); 39876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 36: /* 18 Mbps */ 40876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 7 | (1 << 4); 41876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 48: /* 24 Mbps */ 42876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 8 | (1 << 4); 43876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 72: /* 36 Mbps */ 44876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 9 | (1 << 4); 45876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 96: /* 48 Mbps */ 46876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 10 | (1 << 4); 47876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti case 108: /* 54 Mbps */ 48876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 11 | (1 << 4); 49876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 50876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return 0; 51876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 52876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 53876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 548973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * lbs_hard_start_xmit - checks the conditions and sends packet to IF 558973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * layer if everything is ok 56876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 578973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * @skb: A pointer to skb which includes TX packet 588973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * @dev: A pointer to the &struct net_device 598973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * returns: 0 or -1 60876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 61d0cf9c0dadcdc89a755bcb301cfc9c796eb28ccfStephen Hemmingernetdev_tx_t lbs_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) 62876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 63a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse unsigned long flags; 64ab65f649d38d910f48843a275f3f0596cdbf28bfKiran Divekar struct lbs_private *priv = dev->ml_priv; 65a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse struct txpd *txpd; 66a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse char *p802x_hdr; 67a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse uint16_t pkt_len; 68d0cf9c0dadcdc89a755bcb301cfc9c796eb28ccfStephen Hemminger netdev_tx_t ret = NETDEV_TX_OK; 69876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 709012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_enter(LBS_DEB_TX); 71876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 722eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse /* We need to protect against the queues being restarted before 732eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse we get round to stopping them */ 742eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse spin_lock_irqsave(&priv->driver_lock, flags); 756b4a7e0fbd772495572e038d296853a741e0454bDavid Woodhouse 76aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->surpriseremoved) 772eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse goto free; 78876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 79876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti if (!skb->len || (skb->len > MRVDRV_ETH_TX_PACKET_BUFFER_SIZE)) { 809012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_tx("tx err: skb length %d 0 or > %zd\n", 81876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti skb->len, MRVDRV_ETH_TX_PACKET_BUFFER_SIZE); 82a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse /* We'll never manage to send this one; drop it and return 'OK' */ 832eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse 84bbfc6b788f63f079fb8eeeb8d397bb1c0a8065a1Stephen Hemminger dev->stats.tx_dropped++; 85bbfc6b788f63f079fb8eeeb8d397bb1c0a8065a1Stephen Hemminger dev->stats.tx_errors++; 862eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse goto free; 872eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse } 882eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse 892eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse 902eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse netif_stop_queue(priv->dev); 912eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse if (priv->mesh_dev) 922eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse netif_stop_queue(priv->mesh_dev); 932eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse 942eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse if (priv->tx_pending_len) { 957e226272fcf9c1ec8b67fac995ce4227f4f76971David Woodhouse /* This can happen if packets come in on the mesh and eth 967e226272fcf9c1ec8b67fac995ce4227f4f76971David Woodhouse device simultaneously -- there's no mutual exclusion on 972eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse hard_start_xmit() calls between devices. */ 982eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse lbs_deb_tx("Packet on %s while busy\n", dev->name); 992eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse ret = NETDEV_TX_BUSY; 1002eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse goto unlock; 101876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 102876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1032eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse priv->tx_pending_len = -1; 1042eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse spin_unlock_irqrestore(&priv->driver_lock, flags); 1052eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse 106a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse lbs_deb_hex(LBS_DEB_TX, "TX Data", skb->data, min_t(unsigned int, skb->len, 100)); 107876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1082eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse txpd = (void *)priv->tx_pending_buf; 109a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse memset(txpd, 0, sizeof(struct txpd)); 110876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 111876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti p802x_hdr = skb->data; 112a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse pkt_len = skb->len; 113876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 114e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { 115a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse struct tx_radiotap_hdr *rtap_hdr = (void *)skb->data; 116876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 117876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* set txpd fields from the radiotap header */ 118a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse txpd->tx_control = cpu_to_le32(convert_radiotap_rate_to_mv(rtap_hdr->rate)); 119876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 120876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti /* skip the radiotap header */ 121a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse p802x_hdr += sizeof(*rtap_hdr); 122a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse pkt_len -= sizeof(*rtap_hdr); 123876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 124a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse /* copy destination address from 802.11 header */ 125a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse memcpy(txpd->tx_dest_addr_high, p802x_hdr + 4, ETH_ALEN); 126a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse } else { 127a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse /* copy destination address from 802.3 header */ 128a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse memcpy(txpd->tx_dest_addr_high, p802x_hdr, ETH_ALEN); 129876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 130876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 131a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse txpd->tx_packet_length = cpu_to_le16(pkt_len); 132a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse txpd->tx_packet_location = cpu_to_le32(sizeof(struct txpd)); 133876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 134e0e42da3a4df6f487b59dad608db56e25001bcdbHolger Schurig lbs_mesh_set_txpd(priv, dev, txpd); 135876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 136a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse lbs_deb_hex(LBS_DEB_TX, "txpd", (u8 *) &txpd, sizeof(struct txpd)); 137876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 138a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse lbs_deb_hex(LBS_DEB_TX, "Tx Data", (u8 *) p802x_hdr, le16_to_cpu(txpd->tx_packet_length)); 139876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 140a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse memcpy(&txpd[1], p802x_hdr, le16_to_cpu(txpd->tx_packet_length)); 141876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 142a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse spin_lock_irqsave(&priv->driver_lock, flags); 1432eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse priv->tx_pending_len = pkt_len + sizeof(struct txpd); 144876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1452eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse lbs_deb_tx("%s lined up packet\n", __func__); 146a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse 147bbfc6b788f63f079fb8eeeb8d397bb1c0a8065a1Stephen Hemminger dev->stats.tx_packets++; 148bbfc6b788f63f079fb8eeeb8d397bb1c0a8065a1Stephen Hemminger dev->stats.tx_bytes += skb->len; 149a2b62dc1f17db16034cd4eee0f14e6e56065547cDavid Woodhouse 150e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) { 1512eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse /* Keep the skb to echo it back once Tx feedback is 1522eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse received from FW */ 1532eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse skb_orphan(skb); 154f86a93e1b2d05a7a38a48c91f8fb8fc7e8f1c734David Woodhouse 1552eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse /* Keep the skb around for when we get feedback */ 1562eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse priv->currenttxskb = skb; 1572eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse } else { 1582eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse free: 159876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti dev_kfree_skb_any(skb); 160876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti } 161e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar 1622eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse unlock: 1632eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse spin_unlock_irqrestore(&priv->driver_lock, flags); 1642eb188a1c57ae79283cee951c317bd191cf1ca56David Woodhouse wake_up(&priv->waitq); 165876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1669012b28a407511fb355f6d2176a12d4653489672Holger Schurig lbs_deb_leave_args(LBS_DEB_TX, "ret %d", ret); 167876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return ret; 168876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 169876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 170876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti/** 1718973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * lbs_send_tx_feedback - sends to the host the last transmitted packet, 1728973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * filling the radiotap headers with transmission information. 173876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 1748973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * @priv: A pointer to &struct lbs_private structure 1758973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * @try_count: A 32-bit value containing transmission retry status. 176876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti * 1778973a6e770fc891f92daacbc1c92c7cd396fcf7eRandy Dunlap * returns: void 178876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti */ 1797919b89c8276d657976d4d4d6b7cb58ea1aa08c3Holger Schurigvoid lbs_send_tx_feedback(struct lbs_private *priv, u32 try_count) 180876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti{ 181876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti struct tx_radiotap_hdr *radiotap_hdr; 182876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 183bd75eb854300c7e09eaf067572498abdeb9d3424Dan Carpenter if (priv->wdev->iftype != NL80211_IFTYPE_MONITOR || 184e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar priv->currenttxskb == NULL) 185876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti return; 186876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 187aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse radiotap_hdr = (struct tx_radiotap_hdr *)priv->currenttxskb->data; 188876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti 1897919b89c8276d657976d4d4d6b7cb58ea1aa08c3Holger Schurig radiotap_hdr->data_retries = try_count ? 1907919b89c8276d657976d4d4d6b7cb58ea1aa08c3Holger Schurig (1 + priv->txretrycount - try_count) : 0; 1916f93a8e7e41c2d29749242f983f41e3f6a75b40bDavid Woodhouse 1926f93a8e7e41c2d29749242f983f41e3f6a75b40bDavid Woodhouse priv->currenttxskb->protocol = eth_type_trans(priv->currenttxskb, 193e86dc1ca4676445d9f0dfe35104efe0eb8a2f566Kiran Divekar priv->dev); 1946f93a8e7e41c2d29749242f983f41e3f6a75b40bDavid Woodhouse netif_rx(priv->currenttxskb); 1956f93a8e7e41c2d29749242f983f41e3f6a75b40bDavid Woodhouse 196aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse priv->currenttxskb = NULL; 19701d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave 198aa21c004f80bdf943736c62dccf0c0398d7824f3David Woodhouse if (priv->connect_status == LBS_CONNECTED) 199634b8f49c11f49272b09d13a34b22a17b8c3d419Holger Schurig netif_wake_queue(priv->dev); 20001d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave 201602114ae595af6c89eab149cf9f939e3f7ef4a34Holger Schurig if (priv->mesh_dev && lbs_mesh_connected(priv)) 20201d77d8d4747d73cfb6daf35cdc906a2db8ded9dBrajesh Dave netif_wake_queue(priv->mesh_dev); 203876c9d3aeb989cf1961f2c228d309ba5dcfb1172Marcelo Tosatti} 2041007832103d016d1563fab71d4cf2b057a0bccebHolger SchurigEXPORT_SYMBOL_GPL(lbs_send_tx_feedback); 205