From 11eda8f01d6a1b16341235459a6b2b5bf9a28669 Mon Sep 17 00:00:00 2001 From: "Lo(Double)Hsiang Lo" Date: Thu, 22 Sep 2022 05:41:39 -0500 Subject: [PATCH] brcmfmac: increase dcmd maximum buffer size Increase dcmd maximum buffer size to match firmware configuration for new chips. Signed-off-by: Lo(Double)Hsiang Lo Signed-off-by: Chi-Hsien Lin Signed-off-by: Ian Lin Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220922104140.11889-4-ian.lin@infineon.com --- 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 02a56edf08ba..9ec0c60b6da1 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]; @@ -470,7 +472,7 @@ 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: