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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 13:15:09 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 13:15:09 -0500
commit3051bf36c25d5153051704291782f8d44e744d36 (patch)
tree72dfc8a1d12675c6f2981d13102df954b678f11b /net/wireless/util.c
parent1e74a2eb1f5cc7f2f2b5aa9c9eeecbcf352220a3 (diff)
parent005c3490e9db23738d91e02788606c0fe4734723 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Highlights: 1) Support TX_RING in AF_PACKET TPACKET_V3 mode, from Sowmini Varadhan. 2) Simplify classifier state on sk_buff in order to shrink it a bit. From Willem de Bruijn. 3) Introduce SIPHASH and it's usage for secure sequence numbers and syncookies. From Jason A. Donenfeld. 4) Reduce CPU usage for ICMP replies we are going to limit or suppress, from Jesper Dangaard Brouer. 5) Introduce Shared Memory Communications socket layer, from Ursula Braun. 6) Add RACK loss detection and allow it to actually trigger fast recovery instead of just assisting after other algorithms have triggered it. From Yuchung Cheng. 7) Add xmit_more and BQL support to mvneta driver, from Simon Guinot. 8) skb_cow_data avoidance in esp4 and esp6, from Steffen Klassert. 9) Export MPLS packet stats via netlink, from Robert Shearman. 10) Significantly improve inet port bind conflict handling, especially when an application is restarted and changes it's setting of reuseport. From Josef Bacik. 11) Implement TX batching in vhost_net, from Jason Wang. 12) Extend the dummy device so that VF (virtual function) features, such as configuration, can be more easily tested. From Phil Sutter. 13) Avoid two atomic ops per page on x86 in bnx2x driver, from Eric Dumazet. 14) Add new bpf MAP, implementing a longest prefix match trie. From Daniel Mack. 15) Packet sample offloading support in mlxsw driver, from Yotam Gigi. 16) Add new aquantia driver, from David VomLehn. 17) Add bpf tracepoints, from Daniel Borkmann. 18) Add support for port mirroring to b53 and bcm_sf2 drivers, from Florian Fainelli. 19) Remove custom busy polling in many drivers, it is done in the core networking since 4.5 times. From Eric Dumazet. 20) Support XDP adjust_head in virtio_net, from John Fastabend. 21) Fix several major holes in neighbour entry confirmation, from Julian Anastasov. 22) Add XDP support to bnxt_en driver, from Michael Chan. 23) VXLAN offloads for enic driver, from Govindarajulu Varadarajan. 24) Add IPVTAP driver (IP-VLAN based tap driver) from Sainath Grandhi. 25) Support GRO in IPSEC protocols, from Steffen Klassert" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1764 commits) Revert "ath10k: Search SMBIOS for OEM board file extension" net: socket: fix recvmmsg not returning error from sock_error bnxt_en: use eth_hw_addr_random() bpf: fix unlocking of jited image when module ronx not set arch: add ARCH_HAS_SET_MEMORY config net: napi_watchdog() can use napi_schedule_irqoff() tcp: Revert "tcp: tcp_probe: use spin_lock_bh()" net/hsr: use eth_hw_addr_random() net: mvpp2: enable building on 64-bit platforms net: mvpp2: switch to build_skb() in the RX path net: mvpp2: simplify MVPP2_PRS_RI_* definitions net: mvpp2: fix indentation of MVPP2_EXT_GLOBAL_CTRL_DEFAULT net: mvpp2: remove unused register definitions net: mvpp2: simplify mvpp2_bm_bufs_add() net: mvpp2: drop useless fields in mvpp2_bm_pool and related code net: mvpp2: remove unused 'tx_skb' field of 'struct mvpp2_tx_queue' net: mvpp2: release reference to txq_cpu[] entry after unmapping net: mvpp2: handle too large value in mvpp2_rx_time_coal_set() net: mvpp2: handle too large value handling in mvpp2_rx_pkts_coal_set() net: mvpp2: remove useless arguments in mvpp2_rx_{pkts, time}_coal_set ...
Diffstat (limited to 'net/wireless/util.c')
-rw-r--r--net/wireless/util.c32
1 files changed, 22 insertions, 10 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index e9d040d29846..68e5f2ecee1a 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -114,8 +114,7 @@ int ieee80211_frequency_to_channel(int freq)
114} 114}
115EXPORT_SYMBOL(ieee80211_frequency_to_channel); 115EXPORT_SYMBOL(ieee80211_frequency_to_channel);
116 116
117struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy, 117struct ieee80211_channel *ieee80211_get_channel(struct wiphy *wiphy, int freq)
118 int freq)
119{ 118{
120 enum nl80211_band band; 119 enum nl80211_band band;
121 struct ieee80211_supported_band *sband; 120 struct ieee80211_supported_band *sband;
@@ -135,14 +134,13 @@ struct ieee80211_channel *__ieee80211_get_channel(struct wiphy *wiphy,
135 134
136 return NULL; 135 return NULL;
137} 136}
138EXPORT_SYMBOL(__ieee80211_get_channel); 137EXPORT_SYMBOL(ieee80211_get_channel);
139 138
140static void set_mandatory_flags_band(struct ieee80211_supported_band *sband, 139static void set_mandatory_flags_band(struct ieee80211_supported_band *sband)
141 enum nl80211_band band)
142{ 140{
143 int i, want; 141 int i, want;
144 142
145 switch (band) { 143 switch (sband->band) {
146 case NL80211_BAND_5GHZ: 144 case NL80211_BAND_5GHZ:
147 want = 3; 145 want = 3;
148 for (i = 0; i < sband->n_bitrates; i++) { 146 for (i = 0; i < sband->n_bitrates; i++) {
@@ -192,6 +190,7 @@ static void set_mandatory_flags_band(struct ieee80211_supported_band *sband,
192 WARN_ON((sband->ht_cap.mcs.rx_mask[0] & 0x1e) != 0x1e); 190 WARN_ON((sband->ht_cap.mcs.rx_mask[0] & 0x1e) != 0x1e);
193 break; 191 break;
194 case NUM_NL80211_BANDS: 192 case NUM_NL80211_BANDS:
193 default:
195 WARN_ON(1); 194 WARN_ON(1);
196 break; 195 break;
197 } 196 }
@@ -203,7 +202,7 @@ void ieee80211_set_bitrate_flags(struct wiphy *wiphy)
203 202
204 for (band = 0; band < NUM_NL80211_BANDS; band++) 203 for (band = 0; band < NUM_NL80211_BANDS; band++)
205 if (wiphy->bands[band]) 204 if (wiphy->bands[band])
206 set_mandatory_flags_band(wiphy->bands[band], band); 205 set_mandatory_flags_band(wiphy->bands[band]);
207} 206}
208 207
209bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher) 208bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher)
@@ -619,8 +618,6 @@ int ieee80211_data_from_8023(struct sk_buff *skb, const u8 *addr,
619 618
620 if (pskb_expand_head(skb, head_need, 0, GFP_ATOMIC)) 619 if (pskb_expand_head(skb, head_need, 0, GFP_ATOMIC))
621 return -ENOMEM; 620 return -ENOMEM;
622
623 skb->truesize += head_need;
624 } 621 }
625 622
626 if (encaps_data) { 623 if (encaps_data) {
@@ -952,7 +949,7 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
952 ev->cr.resp_ie, ev->cr.resp_ie_len, 949 ev->cr.resp_ie, ev->cr.resp_ie_len,
953 ev->cr.status, 950 ev->cr.status,
954 ev->cr.status == WLAN_STATUS_SUCCESS, 951 ev->cr.status == WLAN_STATUS_SUCCESS,
955 ev->cr.bss); 952 ev->cr.bss, ev->cr.timeout_reason);
956 break; 953 break;
957 case EVENT_ROAMED: 954 case EVENT_ROAMED:
958 __cfg80211_roamed(wdev, ev->rm.bss, ev->rm.req_ie, 955 __cfg80211_roamed(wdev, ev->rm.bss, ev->rm.req_ie,
@@ -1848,6 +1845,21 @@ void cfg80211_free_nan_func(struct cfg80211_nan_func *f)
1848} 1845}
1849EXPORT_SYMBOL(cfg80211_free_nan_func); 1846EXPORT_SYMBOL(cfg80211_free_nan_func);
1850 1847
1848bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
1849 u32 center_freq_khz, u32 bw_khz)
1850{
1851 u32 start_freq_khz, end_freq_khz;
1852
1853 start_freq_khz = center_freq_khz - (bw_khz / 2);
1854 end_freq_khz = center_freq_khz + (bw_khz / 2);
1855
1856 if (start_freq_khz >= freq_range->start_freq_khz &&
1857 end_freq_khz <= freq_range->end_freq_khz)
1858 return true;
1859
1860 return false;
1861}
1862
1851/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ 1863/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */
1852/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ 1864/* Ethernet-II snap header (RFC1042 for most EtherTypes) */
1853const unsigned char rfc1042_header[] __aligned(2) = 1865const unsigned char rfc1042_header[] __aligned(2) =