diff options
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 0af51fc2d981..71ebbc1df6d1 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -53,7 +53,7 @@ static int mtu_max_set(const char *val, const struct kernel_param *kp) if (ret) return ret; - if (mtu_max < 68 || mtu_max > IEEE80211_MAX_DATA_LEN_DMG) + if (mtu_max < 68 || mtu_max > WIL_MAX_ETH_MTU) ret = -EINVAL; return ret; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index bedb9ed372f4..81309dc3e5a1 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -77,6 +77,10 @@ static inline u32 wil_mtu2macbuf(u32 mtu) return ALIGN(mtu + WIL_MAX_MPDU_OVERHEAD, 8); } +/* MTU for Ethernet need to take into account 8-byte SNAP header + * to be added when encapsulating Ethernet frame into 802.11 + */ +#define WIL_MAX_ETH_MTU (IEEE80211_MAX_DATA_LEN_DMG - 8) /* Max supported by wil6210 value for interrupt threshold is 5sec. */ #define WIL6210_ITR_TRSH_MAX (5000000) #define WIL6210_ITR_TRSH_DEFAULT (300) /* usec */ |