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Tue, 19 May 2020 11:10:26 +0000 From: Chi-Hsien Lin To: linux-wireless@vger.kernel.org Cc: brcm80211-dev-list@broadcom.com, brcm80211-dev-list@cypress.com, Arend van Spriel , Franky Lin , Hante Meuleman , Wright Feng , Kalle Valo , Double Lo , Chi-Hsien Lin Subject: [PATCH 4/4] brcmfmac: increase dcmd maximum buffer size Date: Tue, 19 May 2020 06:09:51 -0500 Message-Id: <20200519110951.88998-5-chi-hsien.lin@cypress.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200519110951.88998-1-chi-hsien.lin@cypress.com> References: <20200519110951.88998-1-chi-hsien.lin@cypress.com> X-ClientProxiedBy: BYAPR06CA0029.namprd06.prod.outlook.com (2603:10b6:a03:d4::42) To DM6PR06MB4906.namprd06.prod.outlook.com (2603:10b6:5:56::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from aremote02.aus.cypress.com (12.110.209.245) by BYAPR06CA0029.namprd06.prod.outlook.com (2603:10b6:a03:d4::42) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3000.24 via Frontend Transport; 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Signed-off-by: Double Lo Signed-off-by: Chi-Hsien Lin --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcdc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 2.25.0 This message and any attachments may contain confidential information from Cypress or its subsidiaries. If it has been received in error, please advise the sender and immediately delete this message. 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: