[PATCH 4/4] brcmfmac: increase dcmd maximum buffer size

[Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx>]

From: Double Lo <double.lo@xxxxxxxxxxx>

Increase dcmd maximum buffer size to match firmware configuration for
new chips.

Signed-off-by: Double Lo <double.lo@xxxxxxxxxxx>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@xxxxxxxxxxx>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
index 2c95a08a5871..705130cf27d5 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c
@@ -87,6 +87,8 @@ struct brcmf_proto_bcdc_header {
                                         * plus any space that might be needed
                                         * for bus alignment padding.
                                         */
+#define ROUND_UP_MARGIN 2048
+
 struct brcmf_bcdc {
        u16 reqid;
        u8 bus_header[BUS_HEADER_LEN];
@@ -471,7 +473,7 @@ int brcmf_proto_bcdc_attach(struct brcmf_pub *drvr)

        drvr->hdrlen += BCDC_HEADER_LEN + BRCMF_PROT_FW_SIGNAL_MAX_TXBYTES;
        drvr->bus_if->maxctl = BRCMF_DCMD_MAXLEN +
-                       sizeof(struct brcmf_proto_bcdc_dcmd);
+                       sizeof(struct brcmf_proto_bcdc_dcmd) + ROUND_UP_MARGIN;
        return 0;

 fail:
--
2.25.0


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