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[04/21] ath10k: rate-limit packet tx errors

Message ID 1462835475-11079-5-git-send-email-greearb@candelatech.com (mailing list archive)
State Superseded
Delegated to: Kalle Valo
Headers show

Commit Message

Ben Greear May 9, 2016, 11:10 p.m. UTC 
From: Ben Greear <greearb@candelatech.com>

When firmware crashes, stack can continue to send packets
for a bit, and existing code was spamming logs.

So, rate-limit the error message for tx failures.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index cd3016d..42cac32 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3432,8 +3432,9 @@  static int ath10k_mac_tx_submit(struct ath10k *ar,
 	}
 
 	if (ret) {
-		ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
-			    ret);
+		if (net_ratelimit())
+			ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
+				    ret);
 		ieee80211_free_txskb(ar->hw, skb);
 	}