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From: Wright Feng <wright.feng@cypress.com>
To: linux-wireless@vger.kernel.org
Cc: wright.feng@cypress.com, brcm80211-dev-list@broadcom.com,
	brcm80211-dev-list@cypress.com,
	Arend van Spriel <arend.vanspriel@broadcom.com>,
	Franky Lin <franky.lin@broadcom.com>,
	Hante Meuleman <hante.meuleman@broadcom.com>,
	Kalle Valo <kvalo@codeaurora.org>,
	chi-hsien.lin@cypress.com, "Double Lo" <double.lo@cypress.com>
Subject: [PATCH v2 3/3] brcmfmac: increase dcmd max control buffer size
Date: Sun, 13 Sep 2020 22:16:34 -0500	[thread overview]
Message-ID: <20200914031634.190721-4-wright.feng@cypress.com> (raw)
In-Reply-To: <20200914031634.190721-1-wright.feng@cypress.com>

From: "Double Lo" <double.lo@cypress.com>

Add the padding round up value in the max control buffer
size to match firmware configuration for new chips.

Signed-off-by: Double Lo <double.lo@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.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 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


      parent reply	other threads:[~2020-09-14  3:16 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-14  3:16 [PATCH v2 0/3] brcmfmac: SoftAP creation and dcmd buffer size changes Wright Feng
2020-09-14  3:16 ` [PATCH v2 1/3] brcmfmac: support virtual interface creation from firmware Wright Feng
2020-09-14  3:16 ` [PATCH v2 2/3] brcmfmac: set net carrier on via test tool for AP mode Wright Feng
2020-09-14  8:20   ` Kalle Valo
2020-09-14  8:42     ` Arend Van Spriel
2020-09-14  3:16 ` Wright Feng [this message]

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