From: Wen Gong Date: Wed, 27 Nov 2019 02:59:29 +0000 (+0000) Subject: ath10k: set max mtu to 1500 for sdio chip X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=376a30c7c9a05382d2cad09e9ff9b2998d0d53c3;p=linux.git 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 --- diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 3e63adfe3e9c4..2e155bba2aa3f 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);