package/kernel/mac80211/patches/325-brcmfmac-pass-struct-brcmf_if-instance-in-brcmf_txfi.patch

   1 From: Arend van Spriel <arend@broadcom.com>
   2 Date: Wed, 26 Aug 2015 22:14:59 +0200
   3 Subject: [PATCH] brcmfmac: pass struct brcmf_if instance in
   4  brcmf_txfinalize()
   5
   6 Most call sites of brcmf_txfinalize already have struct brcmf_if
   7 instance so pass that to brcmf_txfinalize() as the function
   8 needs it anyway.
   9
  10 Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
  11 Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
  12 Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
  13 Signed-off-by: Arend van Spriel <arend@broadcom.com>
  14 ---
  15
  16 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.c
  17 +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c
  18 @@ -560,17 +560,11 @@ void brcmf_rx_frame(struct device *dev,
  19                 brcmf_netif_rx(ifp, skb);
  20  }
  21
  22 -void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx,
  23 -                     bool success)
  24 +void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success)
  25  {
  26 -       struct brcmf_if *ifp;
  27         struct ethhdr *eh;
  28         u16 type;
  29
  30 -       ifp = drvr->iflist[ifidx];
  31 -       if (!ifp)
  32 -               goto done;
  33 -
  34         eh = (struct ethhdr *)(txp->data);
  35         type = ntohs(eh->h_proto);
  36
  37 @@ -582,7 +576,7 @@ void brcmf_txfinalize(struct brcmf_pub *
  38
  39         if (!success)
  40                 ifp->stats.tx_errors++;
  41 -done:
  42 +
  43         brcmu_pkt_buf_free_skb(txp);
  44  }
  45
  46 @@ -600,7 +594,7 @@ void brcmf_txcomplete(struct device *dev
  47                 if (brcmf_proto_hdrpull(drvr, false, txp, &ifp))
  48                         brcmu_pkt_buf_free_skb(txp);
  49                 else
  50 -                       brcmf_txfinalize(drvr, txp, ifp->ifidx, success);
  51 +                       brcmf_txfinalize(ifp, txp, success);
  52         }
  53  }
  54
  55 --- a/drivers/net/wireless/brcm80211/brcmfmac/core.h
  56 +++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h
  57 @@ -210,8 +210,7 @@ void brcmf_remove_interface(struct brcmf
  58  int brcmf_get_next_free_bsscfgidx(struct brcmf_pub *drvr);
  59  void brcmf_txflowblock_if(struct brcmf_if *ifp,
  60                           enum brcmf_netif_stop_reason reason, bool state);
  61 -void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx,
  62 -                     bool success);
  63 +void brcmf_txfinalize(struct brcmf_if *ifp, struct sk_buff *txp, bool success);
  64  void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb);
  65
  66  /* Sets dongle media info (drv_version, mac address). */
  67 --- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
  68 +++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
  69 @@ -1506,7 +1506,7 @@ brcmf_fws_txs_process(struct brcmf_fws_i
  70                 ret = brcmf_fws_txstatus_suppressed(fws, fifo, skb, ifp->ifidx,
  71                                                     genbit, seq);
  72         if (remove_from_hanger || ret)
  73 -               brcmf_txfinalize(fws->drvr, skb, ifp->ifidx, true);
  74 +               brcmf_txfinalize(ifp, skb, true);
  75
  76         return 0;
  77  }
  78 @@ -1905,7 +1905,7 @@ int brcmf_fws_process_skb(struct brcmf_i
  79         if (fws->avoid_queueing) {
  80                 rc = brcmf_proto_txdata(drvr, ifp->ifidx, 0, skb);
  81                 if (rc < 0)
  82 -                       brcmf_txfinalize(drvr, skb, ifp->ifidx, false);
  83 +                       brcmf_txfinalize(ifp, skb, false);
  84                 return rc;
  85         }
  86
  87 @@ -1929,7 +1929,7 @@ int brcmf_fws_process_skb(struct brcmf_i
  88                 brcmf_fws_schedule_deq(fws);
  89         } else {
  90                 brcmf_err("drop skb: no hanger slot\n");
  91 -               brcmf_txfinalize(drvr, skb, ifp->ifidx, false);
  92 +               brcmf_txfinalize(ifp, skb, false);
  93                 rc = -ENOMEM;
  94         }
  95         brcmf_fws_unlock(fws);
  96 @@ -2009,8 +2009,9 @@ static void brcmf_fws_dequeue_worker(str
  97                                 ret = brcmf_proto_txdata(drvr, ifidx, 0, skb);
  98                                 brcmf_fws_lock(fws);
  99                                 if (ret < 0)
 100 -                                       brcmf_txfinalize(drvr, skb, ifidx,
 101 -                                                        false);
 102 +                                       brcmf_txfinalize(brcmf_get_ifp(drvr,
 103 +                                                                      ifidx),
 104 +                                                        skb, false);
 105                                 if (fws->bus_flow_blocked)
 106                                         break;
 107                         }
 108 --- a/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
 109 +++ b/drivers/net/wireless/brcm80211/brcmfmac/msgbuf.c
 110 @@ -873,7 +873,11 @@ brcmf_msgbuf_process_txstatus(struct brc
 111         commonring = msgbuf->flowrings[flowid];
 112         atomic_dec(&commonring->outstanding_tx);
 113
 114 -       brcmf_txfinalize(msgbuf->drvr, skb, tx_status->msg.ifidx, true);
 115 +       /* Hante: i believe this was a bug as tx_status->msg.ifidx was used
 116 +        * in brcmf_txfinalize as index in drvr->iflist. Can you confirm/deny?
 117 +        */
 118 +       brcmf_txfinalize(brcmf_get_ifp(msgbuf->drvr, tx_status->msg.ifidx),
 119 +                        skb, true);
 120  }
 121
 122