git.openwrt.org Git - openwrt/staging/dangole.git/blob

   1 From c91377495192cda096e52dc09c266b0d05f16d86 Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   3 Date: Thu, 21 Feb 2019 11:33:25 +0100
   4 Subject: [PATCH] brcmfmac: print firmware reported general status errors
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 Firmware may report general errors using a special message type. Add
  10 basic support for it by simply decoding & printing an error number.
  11
  12 A sample situation in which firmware reports a buf error:
  13 CONSOLE: 027084.733 no host response IOCTL buffer available..so fail the request
  14 will now produce a "Firmware reported general error: 9" on the host.
  15
  16 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  17 Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
  18 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
  19 ---
  20  .../broadcom/brcm80211/brcmfmac/msgbuf.c      | 24 +++++++++++++++++++
  21  1 file changed, 24 insertions(+)
  22
  23 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
  24 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
  25 @@ -134,6 +134,14 @@ struct msgbuf_completion_hdr {
  26         __le16                          flow_ring_id;
  27  };
  28
  29 +/* Data struct for the MSGBUF_TYPE_GEN_STATUS */
  30 +struct msgbuf_gen_status {
  31 +       struct msgbuf_common_hdr        msg;
  32 +       struct msgbuf_completion_hdr    compl_hdr;
  33 +       __le16                          write_idx;
  34 +       __le32                          rsvd0[3];
  35 +};
  36 +
  37  /* Data struct for the MSGBUF_TYPE_RING_STATUS */
  38  struct msgbuf_ring_status {
  39         struct msgbuf_common_hdr        msg;
  40 @@ -1194,6 +1202,18 @@ brcmf_msgbuf_process_rx_complete(struct
  41         brcmf_netif_rx(ifp, skb);
  42  }
  43
  44 +static void brcmf_msgbuf_process_gen_status(struct brcmf_msgbuf *msgbuf,
  45 +                                           void *buf)
  46 +{
  47 +       struct msgbuf_gen_status *gen_status = buf;
  48 +       struct brcmf_pub *drvr = msgbuf->drvr;
  49 +       int err;
  50 +
  51 +       err = le16_to_cpu(gen_status->compl_hdr.status);
  52 +       if (err)
  53 +               bphy_err(drvr, "Firmware reported general error: %d\n", err);
  54 +}
  55 +
  56  static void brcmf_msgbuf_process_ring_status(struct brcmf_msgbuf *msgbuf,
  57                                              void *buf)
  58  {
  59 @@ -1273,6 +1293,10 @@ static void brcmf_msgbuf_process_msgtype
  60
  61         msg = (struct msgbuf_common_hdr *)buf;
  62         switch (msg->msgtype) {
  63 +       case MSGBUF_TYPE_GEN_STATUS:
  64 +               brcmf_dbg(MSGBUF, "MSGBUF_TYPE_GEN_STATUS\n");
  65 +               brcmf_msgbuf_process_gen_status(msgbuf, buf);
  66 +               break;
  67         case MSGBUF_TYPE_RING_STATUS:
  68                 brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RING_STATUS\n");
  69                 brcmf_msgbuf_process_ring_status(msgbuf, buf);