From 376a30c7c9a05382d2cad09e9ff9b2998d0d53c3 Mon Sep 17 00:00:00 2001 From: Wen Gong Date: Wed, 27 Nov 2019 02:59:29 +0000 Subject: [PATCH] ath10k: set max mtu to 1500 for sdio chip 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 Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/sdio.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 3e63adf..2e155bb 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -2137,6 +2137,8 @@ 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); -- 2.7.4