diff options
| -rw-r--r-- | package/kernel/mac80211/patches/ath/922-ath10k-increase-rx-buffer-size-to-2048.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath/922-ath10k-increase-rx-buffer-size-to-2048.patch b/package/kernel/mac80211/patches/ath/922-ath10k-increase-rx-buffer-size-to-2048.patch new file mode 100644 index 0000000000..f7c842f428 --- /dev/null +++ b/package/kernel/mac80211/patches/ath/922-ath10k-increase-rx-buffer-size-to-2048.patch @@ -0,0 +1,37 @@ +From: Linus Lüssing <ll@simonwunderlich.de> +Date: Wed, 5 Feb 2020 20:10:43 +0100 +Subject: ath10k: increase rx buffer size to 2048 + +Before, only frames with a maximum size of 1528 bytes could be +transmitted between two 802.11s nodes. + +For batman-adv for instance, which adds its own header to each frame, +we typically need an MTU of at least 1532 bytes to be able to transmit +without fragmentation. + +This patch now increases the maxmimum frame size from 1528 to 1656 +bytes. + +Tested with two ath10k devices in 802.11s mode, as well as with +batman-adv on top of 802.11s with forwarding disabled. + +Fix originally found and developed by Ben Greear. + +Link: https://github.com/greearb/ath10k-ct/issues/89 +Link: https://github.com/greearb/ath10k-ct/commit/9e5ab25027e0971fa24ccf93373324c08c4e992d +Cc: Ben Greear <greearb@candelatech.com> +Signed-off-by: Linus Lüssing <ll@simonwunderlich.de> + +Forwarded: https://patchwork.kernel.org/patch/11367055/ + +--- a/drivers/net/wireless/ath/ath10k/htt.h ++++ b/drivers/net/wireless/ath/ath10k/htt.h +@@ -2004,7 +2004,7 @@ struct htt_rx_desc { + * Should be: sizeof(struct htt_host_rx_desc) + max rx MSDU size, + * rounded up to a cache line size. + */ +-#define HTT_RX_BUF_SIZE 1920 ++#define HTT_RX_BUF_SIZE 2048 + #define HTT_RX_MSDU_SIZE (HTT_RX_BUF_SIZE - (int)sizeof(struct htt_rx_desc)) + + /* Refill a bunch of RX buffers for each refill round so that FW/HW can handle |