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68 lines
2.2 KiB
Diff
68 lines
2.2 KiB
Diff
From c988b78244df8216902e20de536434e2f474a37e Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 8 Feb 2019 15:24:39 +0100
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Subject: [PATCH] brcmfmac: print firmware reported ring status errors
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Firmware is capable of reporting ring status. It's used e.g. to signal
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some problem with a specific ring setup. This patch adds support for
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printing ring & error number which may be useful for debugging setup
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issues.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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.../broadcom/brcm80211/brcmfmac/msgbuf.c | 25 +++++++++++++++++++
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1 file changed, 25 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c
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@@ -134,6 +134,14 @@ struct msgbuf_completion_hdr {
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__le16 flow_ring_id;
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};
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+/* Data struct for the MSGBUF_TYPE_RING_STATUS */
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+struct msgbuf_ring_status {
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+ struct msgbuf_common_hdr msg;
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+ struct msgbuf_completion_hdr compl_hdr;
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+ __le16 write_idx;
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+ __le32 rsvd0[5];
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+};
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+
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struct msgbuf_rx_event {
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struct msgbuf_common_hdr msg;
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struct msgbuf_completion_hdr compl_hdr;
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@@ -1180,6 +1188,19 @@ brcmf_msgbuf_process_rx_complete(struct
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brcmf_netif_rx(ifp, skb);
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}
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+static void brcmf_msgbuf_process_ring_status(struct brcmf_msgbuf *msgbuf,
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+ void *buf)
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+{
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+ struct msgbuf_ring_status *ring_status = buf;
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+ int err;
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+
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+ err = le16_to_cpu(ring_status->compl_hdr.status);
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+ if (err) {
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+ int ring = le16_to_cpu(ring_status->compl_hdr.flow_ring_id);
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+
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+ brcmf_err("Firmware reported ring %d error: %d\n", ring, err);
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+ }
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+}
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static void
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brcmf_msgbuf_process_flow_ring_create_response(struct brcmf_msgbuf *msgbuf,
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@@ -1241,6 +1262,10 @@ static void brcmf_msgbuf_process_msgtype
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msg = (struct msgbuf_common_hdr *)buf;
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switch (msg->msgtype) {
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+ case MSGBUF_TYPE_RING_STATUS:
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+ brcmf_dbg(MSGBUF, "MSGBUF_TYPE_RING_STATUS\n");
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+ brcmf_msgbuf_process_ring_status(msgbuf, buf);
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+ break;
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case MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT:
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brcmf_dbg(MSGBUF, "MSGBUF_TYPE_FLOW_RING_CREATE_CMPLT\n");
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brcmf_msgbuf_process_flow_ring_create_response(msgbuf, buf);
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