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authorWen Gong <wgong@codeaurora.org>2018-08-08 18:40:01 +0800
committerJohannes Berg <johannes.berg@intel.com>2018-09-05 10:03:15 +0200
commit70e53669c4c41b0fc043cb0bcb518b53428edf64 (patch)
tree3c8f80c7c5118ef2e71775f0159573043b5c65da /net/mac80211/main.c
parente80d642552a3190aad97cae6c22742b079b5d30b (diff)
downloadlinux-70e53669c4c41b0fc043cb0bcb518b53428edf64.tar.bz2
mac80211: Store sk_pacing_shift in ieee80211_hw
Make it possibly for drivers to adjust the default skb_pacing_shift by storing it in the hardware struct. Signed-off-by: Wen Gong <wgong@codeaurora.org> [adjust commit log, move & adjust comment] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/main.c')
-rw-r--r--net/mac80211/main.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c78629f8b7a0..77381017bac7 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -611,6 +611,18 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
local->ops = ops;
local->use_chanctx = use_chanctx;
+ /*
+ * We need a bit of data queued to build aggregates properly, so
+ * instruct the TCP stack to allow more than a single ms of data
+ * to be queued in the stack. The value is a bit-shift of 1
+ * second, so 8 is ~4ms of queued data. Only affects local TCP
+ * sockets.
+ * This is the default, anyhow - drivers may need to override it
+ * for local reasons (longer buffers, longer completion time, or
+ * similar).
+ */
+ local->hw.tx_sk_pacing_shift = 8;
+
/* set up some defaults */
local->hw.queues = 1;
local->hw.max_rates = 1;