OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Three more fixes: 

* mac80211 mesh code wasn't allocating SKB tailroom properly
    in some cases
  * tx_sk_pacing_shift should be 7 for better performance
  * mac80211_hwsim wasn't propagating genlmsg_reply() errors
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEH1e1rEeCd0AIMq6MB8qZga/fl8QFAlxv8vcACgkQB8qZga/f
 l8RuQQ//e+eyFrGlEZXjlpYN1lpLGMkXpi8cZufHhd5WagJQHjUUCoIflC/xcjaD
 zfDUVXlv/p50tpie5vZdKPOJ1Lwe/KVomt/Bj7dRLPTam0Bi2JidRUCGAL7ljfKM
 bIOgvi/BfJ9zncaDxbOQEgdZR6d7+uSV8F1RYbQnn9HK1Klke4x6eCxc0/MpYd7d
 OiTC6CEHu8np61IA1Ef+OVau4XPq+sb7rkfGqThzRLEUvg8FFmqXE5wz8lvZzTl9
 6j3yu6QMTbKBBbk6Q8tVtBxstTzVDavpx+skxdiPyseH9YE9rPjL00cJKF5rX5+x
 vRVMANZTKOLZ9R3eoz0PwK970yXvjgunl7i/5FQN34Z1lPvO+7R9XB4P1r+HHHtK
 A6Zhu0uHh3oSRJVJ9KXCa2hqRD5chRCEaMSbgdnNB/ELeSPrU9W+IJ+vcoOsEtVV
 uNPH3E6N13ASHr3rkg/+cr6PuFrxaRXPdfzfl5C6tAzc8z9PAfJrGN6WqljAxWk3
 mxQV44Np2RAkFNkOxwyfVyF/8BCefMPvFqG1FrnqXroM83T0ZI8BaT7ezH9r3PI5
 z8xTROWiZcdMNFrQIOgCGH3qWhtNruuXATFBYUx4Nfdi/L+cj6ACYrrLZXSaE7Xq
 5yfFtWRaTlKxukAkYBkfvzb8Wc6/LHNdgkfTJFYoVE8auoaJKyE=
 =JEqH
 -----END PGP SIGNATURE-----

Merge tag 'mac80211-for-davem-2019-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Three more fixes:
 * mac80211 mesh code wasn't allocating SKB tailroom properly
   in some cases
 * tx_sk_pacing_shift should be 7 for better performance
 * mac80211_hwsim wasn't propagating genlmsg_reply() errors
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-02-22 12:51:21 -08:00
parent 80d79ad224 51d0af222f
commit ab01f251c9
3 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/mac80211_hwsim.c
View File

@ -3554,7 +3554,7 @@ static int hwsim_get_radio_nl(struct sk_buff *msg, struct genl_info *info)
goto out_err;
}
genlmsg_reply(skb, info);
res = genlmsg_reply(skb, info);
break;
}

4
net/mac80211/main.c
View File

@ -615,13 +615,13 @@ struct ieee80211_hw *ieee80211_alloc_hw_nm(size_t priv_data_len,
* 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
* second, so 7 is ~8ms 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;
local->hw.tx_sk_pacing_shift = 7;
/* set up some defaults */
local->hw.queues = 1;

7
net/mac80211/rx.c
View File

@ -2644,6 +2644,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
u16 ac, q, hdrlen;
int tailroom = 0;
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@ -2732,8 +2733,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
if (!ifmsh->mshcfg.dot11MeshForwarding)
goto out;
if (sdata->crypto_tx_tailroom_needed_cnt)
tailroom = IEEE80211_ENCRYPT_TAILROOM;
fwd_skb = skb_copy_expand(skb, local->tx_headroom +
sdata->encrypt_headroom, 0, GFP_ATOMIC);
sdata->encrypt_headroom,
tailroom, GFP_ATOMIC);
if (!fwd_skb)
goto out;