diff mbox series

ath10k: set max mtu to 1500 for sdio chip

Message ID 0101016eaacca93c-357e80e9-f3e0-44e6-b441-ceaf9183880f-000000@us-west-2.amazonses.com (mailing list archive)
State New, archived
Headers show
Series ath10k: set max mtu to 1500 for sdio chip | expand

Commit Message

Wen Gong Nov. 27, 2019, 2:59 a.m. UTC 
For sdio chip, the max credit size in firmware is 1556, the 1556
include payload, ieee80211 header, htt header, htc header. So it
need to set the max mtu to 1500 to forbidden TX packet which exceed
1500 form application.

Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWP-1.

Signed-off-by: Wen Gong <wgong@codeaurora.org>
---
 drivers/net/wireless/ath/ath10k/sdio.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 60849ab8088f..8aa8ebc1d8e9 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2185,6 +2185,8 @@  static int ath10k_sdio_probe(struct sdio_func *func,
 	bus_params.chip_id = 0;
 	bus_params.hl_msdu_ids = true;
 
+	ar->hw->max_mtu = ETH_DATA_LEN;
+
 	ret = ath10k_core_register(ar, &bus_params);
 	if (ret) {
 		ath10k_err(ar, "failed to register driver core: %d\n", ret);