diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-24 06:47:44 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-24 06:47:44 +0100 |
commit | 50b825d7e87f4cff7070df6eb26390152bb29537 (patch) | |
tree | ec82aba49ab0c4743266ff37e18c8304a0367d06 /drivers/net/wireless/ath/wil6210/wmi.c | |
parent | a97a2d4d56ea596871b739d63d41b084733bd9fb (diff) | |
parent | 3f80e08f40cdb308589a49077c87632fa4508b21 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Add VF IPSEC offload support in ixgbe, from Shannon Nelson.
2) Add zero-copy AF_XDP support to i40e, from Björn Töpel.
3) All in-tree drivers are converted to {g,s}et_link_ksettings() so we
can get rid of the {g,s}et_settings ethtool callbacks, from Michal
Kubecek.
4) Add software timestamping to veth driver, from Michael Walle.
5) More work to make packet classifiers and actions lockless, from Vlad
Buslov.
6) Support sticky FDB entries in bridge, from Nikolay Aleksandrov.
7) Add ipv6 version of IP_MULTICAST_ALL sockopt, from Andre Naujoks.
8) Support batching of XDP buffers in vhost_net, from Jason Wang.
9) Add flow dissector BPF hook, from Petar Penkov.
10) i40e vf --> generic iavf conversion, from Jesse Brandeburg.
11) Add NLA_REJECT netlink attribute policy type, to signal when users
provide attributes in situations which don't make sense. From
Johannes Berg.
12) Switch TCP and fair-queue scheduler over to earliest departure time
model. From Eric Dumazet.
13) Improve guest receive performance by doing rx busy polling in tx
path of vhost networking driver, from Tonghao Zhang.
14) Add per-cgroup local storage to bpf
15) Add reference tracking to BPF, from Joe Stringer. The verifier can
now make sure that references taken to objects are properly released
by the program.
16) Support in-place encryption in TLS, from Vakul Garg.
17) Add new taprio packet scheduler, from Vinicius Costa Gomes.
18) Lots of selftests additions, too numerous to mention one by one here
but all of which are very much appreciated.
19) Support offloading of eBPF programs containing BPF to BPF calls in
nfp driver, frm Quentin Monnet.
20) Move dpaa2_ptp driver out of staging, from Yangbo Lu.
21) Lots of u32 classifier cleanups and simplifications, from Al Viro.
22) Add new strict versions of netlink message parsers, and enable them
for some situations. From David Ahern.
23) Evict neighbour entries on carrier down, also from David Ahern.
24) Support BPF sk_msg verdict programs with kTLS, from Daniel Borkmann
and John Fastabend.
25) Add support for filtering route dumps, from David Ahern.
26) New igc Intel driver for 2.5G parts, from Sasha Neftin et al.
27) Allow vxlan enslavement to bridges in mlxsw driver, from Ido
Schimmel.
28) Add queue and stack map types to eBPF, from Mauricio Vasquez B.
29) Add back byte-queue-limit support to r8169, with all the bug fixes
in other areas of the driver it works now! From Florian Westphal and
Heiner Kallweit.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2147 commits)
tcp: add tcp_reset_xmit_timer() helper
qed: Fix static checker warning
Revert "be2net: remove desc field from be_eq_obj"
Revert "net: simplify sock_poll_wait"
net: socionext: Reset tx queue in ndo_stop
net: socionext: Add dummy PHY register read in phy_write()
net: socionext: Stop PHY before resetting netsec
net: stmmac: Set OWN bit for jumbo frames
arm64: dts: stratix10: Support Ethernet Jumbo frame
tls: Add maintainers
net: ethernet: ti: cpsw: unsync mcast entries while switch promisc mode
octeontx2-af: Support for NIXLF's UCAST/PROMISC/ALLMULTI modes
octeontx2-af: Support for setting MAC address
octeontx2-af: Support for changing RSS algorithm
octeontx2-af: NIX Rx flowkey configuration for RSS
octeontx2-af: Install ucast and bcast pkt forwarding rules
octeontx2-af: Add LMAC channel info to NIXLF_ALLOC response
octeontx2-af: NPC MCAM and LDATA extract minimal configuration
octeontx2-af: Enable packet length and csum validation
octeontx2-af: Support for VTAG strip and capture
...
Diffstat (limited to 'drivers/net/wireless/ath/wil6210/wmi.c')
-rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 350 |
1 files changed, 347 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 42c02a20ec97..4859f0e43658 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -227,6 +227,14 @@ struct blink_on_off_time led_blink_time[] = { {WIL_LED_BLINK_ON_FAST_MS, WIL_LED_BLINK_OFF_FAST_MS}, }; +struct auth_no_hdr { + __le16 auth_alg; + __le16 auth_transaction; + __le16 status_code; + /* possibly followed by Challenge text */ + u8 variable[0]; +} __packed; + u8 led_polarity = LED_POLARITY_LOW_ACTIVE; /** @@ -468,6 +476,12 @@ static const char *cmdid2name(u16 cmdid) return "WMI_LINK_STATS_CMD"; case WMI_SW_TX_REQ_EXT_CMDID: return "WMI_SW_TX_REQ_EXT_CMDID"; + case WMI_FT_AUTH_CMDID: + return "WMI_FT_AUTH_CMD"; + case WMI_FT_REASSOC_CMDID: + return "WMI_FT_REASSOC_CMD"; + case WMI_UPDATE_FT_IES_CMDID: + return "WMI_UPDATE_FT_IES_CMD"; default: return "Untracked CMD"; } @@ -606,6 +620,12 @@ static const char *eventid2name(u16 eventid) return "WMI_LINK_STATS_CONFIG_DONE_EVENT"; case WMI_LINK_STATS_EVENTID: return "WMI_LINK_STATS_EVENT"; + case WMI_COMMAND_NOT_SUPPORTED_EVENTID: + return "WMI_COMMAND_NOT_SUPPORTED_EVENT"; + case WMI_FT_AUTH_STATUS_EVENTID: + return "WMI_FT_AUTH_STATUS_EVENT"; + case WMI_FT_REASSOC_STATUS_EVENTID: + return "WMI_FT_REASSOC_STATUS_EVENT"; default: return "Untracked EVENT"; } @@ -1156,6 +1176,9 @@ static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len) struct wmi_ring_en_event *evt = d; u8 vri = evt->ring_index; struct wireless_dev *wdev = vif_to_wdev(vif); + struct wil_sta_info *sta; + u8 cid; + struct key_params params; wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid); @@ -1164,13 +1187,33 @@ static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len) return; } - if (wdev->iftype != NL80211_IFTYPE_AP || !disable_ap_sme) - /* in AP mode with disable_ap_sme, this is done by - * wil_cfg80211_change_station() + if (wdev->iftype != NL80211_IFTYPE_AP || !disable_ap_sme || + test_bit(wil_vif_ft_roam, vif->status)) + /* in AP mode with disable_ap_sme that is not FT, + * this is done by wil_cfg80211_change_station() */ wil->ring_tx_data[vri].dot1x_open = true; if (vri == vif->bcast_ring) /* no BA for bcast */ return; + + cid = wil->ring2cid_tid[vri][0]; + if (!wil_cid_valid(cid)) { + wil_err(wil, "invalid cid %d for vring %d\n", cid, vri); + return; + } + + /* In FT mode we get key but not store it as it is received + * before WMI_CONNECT_EVENT received from FW. + * wil_set_crypto_rx is called here to reset the security PN + */ + sta = &wil->sta[cid]; + if (test_bit(wil_vif_ft_roam, vif->status)) { + memset(¶ms, 0, sizeof(params)); + wil_set_crypto_rx(0, WMI_KEY_USE_PAIRWISE, sta, ¶ms); + if (wdev->iftype != NL80211_IFTYPE_AP) + clear_bit(wil_vif_ft_roam, vif->status); + } + if (agg_wsize >= 0) wil_addba_tx_request(wil, vri, agg_wsize); } @@ -1462,6 +1505,271 @@ wmi_evt_link_stats(struct wil6210_vif *vif, int id, void *d, int len) } /** + * find cid and ringid for the station vif + * + * return error, if other interfaces are used or ring was not found + */ +static int wil_find_cid_ringid_sta(struct wil6210_priv *wil, + struct wil6210_vif *vif, + int *cid, + int *ringid) +{ + struct wil_ring *ring; + struct wil_ring_tx_data *txdata; + int min_ring_id = wil_get_min_tx_ring_id(wil); + int i; + u8 lcid; + + if (!(vif->wdev.iftype == NL80211_IFTYPE_STATION || + vif->wdev.iftype == NL80211_IFTYPE_P2P_CLIENT)) { + wil_err(wil, "invalid interface type %d\n", vif->wdev.iftype); + return -EINVAL; + } + + /* In the STA mode, it is expected to have only one ring + * for the AP we are connected to. + * find it and return the cid associated with it. + */ + for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { + ring = &wil->ring_tx[i]; + txdata = &wil->ring_tx_data[i]; + if (!ring->va || !txdata->enabled || txdata->mid != vif->mid) + continue; + + lcid = wil->ring2cid_tid[i][0]; + if (lcid >= WIL6210_MAX_CID) /* skip BCAST */ + continue; + + wil_dbg_wmi(wil, "find sta -> ringid %d cid %d\n", i, lcid); + *cid = lcid; + *ringid = i; + return 0; + } + + wil_dbg_wmi(wil, "find sta cid while no rings active?\n"); + + return -ENOENT; +} + +static void +wmi_evt_auth_status(struct wil6210_vif *vif, int id, void *d, int len) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct net_device *ndev = vif_to_ndev(vif); + struct wmi_ft_auth_status_event *data = d; + int ie_len = len - offsetof(struct wmi_ft_auth_status_event, ie_info); + int rc, cid = 0, ringid = 0; + struct cfg80211_ft_event_params ft; + u16 d_len; + /* auth_alg(u16) + auth_transaction(u16) + status_code(u16) */ + const size_t auth_ie_offset = sizeof(u16) * 3; + struct auth_no_hdr *auth = (struct auth_no_hdr *)data->ie_info; + + /* check the status */ + if (ie_len >= 0 && data->status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "FT: auth failed. status %d\n", data->status); + goto fail; + } + + if (ie_len < auth_ie_offset) { + wil_err(wil, "FT: auth event too short, len %d\n", len); + goto fail; + } + + d_len = le16_to_cpu(data->ie_len); + if (d_len != ie_len) { + wil_err(wil, + "FT: auth ie length mismatch, d_len %d should be %d\n", + d_len, ie_len); + goto fail; + } + + if (!test_bit(wil_vif_ft_roam, wil->status)) { + wil_err(wil, "FT: Not in roaming state\n"); + goto fail; + } + + if (le16_to_cpu(auth->auth_transaction) != 2) { + wil_err(wil, "FT: auth error. auth_transaction %d\n", + le16_to_cpu(auth->auth_transaction)); + goto fail; + } + + if (le16_to_cpu(auth->auth_alg) != WLAN_AUTH_FT) { + wil_err(wil, "FT: auth error. auth_alg %d\n", + le16_to_cpu(auth->auth_alg)); + goto fail; + } + + wil_dbg_wmi(wil, "FT: Auth to %pM successfully\n", data->mac_addr); + wil_hex_dump_wmi("FT Auth ies : ", DUMP_PREFIX_OFFSET, 16, 1, + data->ie_info, d_len, true); + + /* find cid and ringid */ + rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid); + if (rc) { + wil_err(wil, "No valid cid found\n"); + goto fail; + } + + if (vif->privacy) { + /* For secure assoc, remove old keys */ + rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr, + WMI_KEY_USE_PAIRWISE); + if (rc) { + wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(PTK) failed\n"); + goto fail; + } + rc = wmi_del_cipher_key(vif, 0, wil->sta[cid].addr, + WMI_KEY_USE_RX_GROUP); + if (rc) { + wil_err(wil, "WMI_DELETE_CIPHER_KEY_CMD(GTK) failed\n"); + goto fail; + } + } + + memset(&ft, 0, sizeof(ft)); + ft.ies = data->ie_info + auth_ie_offset; + ft.ies_len = d_len - auth_ie_offset; + ft.target_ap = data->mac_addr; + cfg80211_ft_event(ndev, &ft); + + return; + +fail: + wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID, false); +} + +static void +wmi_evt_reassoc_status(struct wil6210_vif *vif, int id, void *d, int len) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct net_device *ndev = vif_to_ndev(vif); + struct wiphy *wiphy = wil_to_wiphy(wil); + struct wmi_ft_reassoc_status_event *data = d; + int ies_len = len - offsetof(struct wmi_ft_reassoc_status_event, + ie_info); + int rc = -ENOENT, cid = 0, ringid = 0; + int ch; /* channel number (primary) */ + size_t assoc_req_ie_len = 0, assoc_resp_ie_len = 0; + u8 *assoc_req_ie = NULL, *assoc_resp_ie = NULL; + /* capinfo(u16) + listen_interval(u16) + current_ap mac addr + IEs */ + const size_t assoc_req_ie_offset = sizeof(u16) * 2 + ETH_ALEN; + /* capinfo(u16) + status_code(u16) + associd(u16) + IEs */ + const size_t assoc_resp_ie_offset = sizeof(u16) * 3; + u16 d_len; + int freq; + struct cfg80211_roam_info info; + + if (ies_len < 0) { + wil_err(wil, "ft reassoc event too short, len %d\n", len); + goto fail; + } + + wil_dbg_wmi(wil, "Reasoc Status event: status=%d, aid=%d", + data->status, data->aid); + wil_dbg_wmi(wil, " mac_addr=%pM, beacon_ie_len=%d", + data->mac_addr, data->beacon_ie_len); + wil_dbg_wmi(wil, " reassoc_req_ie_len=%d, reassoc_resp_ie_len=%d", + le16_to_cpu(data->reassoc_req_ie_len), + le16_to_cpu(data->reassoc_resp_ie_len)); + + d_len = le16_to_cpu(data->beacon_ie_len) + + le16_to_cpu(data->reassoc_req_ie_len) + + le16_to_cpu(data->reassoc_resp_ie_len); + if (d_len != ies_len) { + wil_err(wil, + "ft reassoc ie length mismatch, d_len %d should be %d\n", + d_len, ies_len); + goto fail; + } + + /* check the status */ + if (data->status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "ft reassoc failed. status %d\n", data->status); + goto fail; + } + + /* find cid and ringid */ + rc = wil_find_cid_ringid_sta(wil, vif, &cid, &ringid); + if (rc) { + wil_err(wil, "No valid cid found\n"); + goto fail; + } + + ch = data->channel + 1; + wil_info(wil, "FT: Roam %pM channel [%d] cid %d aid %d\n", + data->mac_addr, ch, cid, data->aid); + + wil_hex_dump_wmi("reassoc AI : ", DUMP_PREFIX_OFFSET, 16, 1, + data->ie_info, len - sizeof(*data), true); + + /* figure out IE's */ + if (le16_to_cpu(data->reassoc_req_ie_len) > assoc_req_ie_offset) { + assoc_req_ie = &data->ie_info[assoc_req_ie_offset]; + assoc_req_ie_len = le16_to_cpu(data->reassoc_req_ie_len) - + assoc_req_ie_offset; + } + if (le16_to_cpu(data->reassoc_resp_ie_len) <= assoc_resp_ie_offset) { + wil_err(wil, "FT: reassoc resp ie len is too short, len %d\n", + le16_to_cpu(data->reassoc_resp_ie_len)); + goto fail; + } + + assoc_resp_ie = &data->ie_info[le16_to_cpu(data->reassoc_req_ie_len) + + assoc_resp_ie_offset]; + assoc_resp_ie_len = le16_to_cpu(data->reassoc_resp_ie_len) - + assoc_resp_ie_offset; + + if (test_bit(wil_status_resetting, wil->status) || + !test_bit(wil_status_fwready, wil->status)) { + wil_err(wil, "FT: status_resetting, cancel reassoc event\n"); + /* no need for cleanup, wil_reset will do that */ + return; + } + + mutex_lock(&wil->mutex); + + /* ring modify to set the ring for the roamed AP settings */ + wil_dbg_wmi(wil, + "ft modify tx config for connection CID %d ring %d\n", + cid, ringid); + + rc = wil->txrx_ops.tx_ring_modify(vif, ringid, cid, 0); + if (rc) { + wil_err(wil, "modify TX for CID %d MID %d ring %d failed (%d)\n", + cid, vif->mid, ringid, rc); + mutex_unlock(&wil->mutex); + goto fail; + } + + /* Update the driver STA members with the new bss */ + wil->sta[cid].aid = data->aid; + wil->sta[cid].stats.ft_roams++; + ether_addr_copy(wil->sta[cid].addr, vif->bss->bssid); + mutex_unlock(&wil->mutex); + del_timer_sync(&vif->connect_timer); + + cfg80211_ref_bss(wiphy, vif->bss); + freq = ieee80211_channel_to_frequency(ch, NL80211_BAND_60GHZ); + + memset(&info, 0, sizeof(info)); + info.channel = ieee80211_get_channel(wiphy, freq); + info.bss = vif->bss; + info.req_ie = assoc_req_ie; + info.req_ie_len = assoc_req_ie_len; + info.resp_ie = assoc_resp_ie; + info.resp_ie_len = assoc_resp_ie_len; + cfg80211_roamed(ndev, &info, GFP_KERNEL); + vif->bss = NULL; + + return; + +fail: + wil6210_disconnect(vif, NULL, WLAN_REASON_PREV_AUTH_NOT_VALID, false); +} + +/** * Some events are ignored for purpose; and need not be interpreted as * "unhandled events" */ @@ -1492,6 +1800,8 @@ static const struct { {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result}, {WMI_LINK_STATS_EVENTID, wmi_evt_link_stats}, + {WMI_FT_AUTH_STATUS_EVENTID, wmi_evt_auth_status}, + {WMI_FT_REASSOC_STATUS_EVENTID, wmi_evt_reassoc_status}, }; /* @@ -2086,6 +2396,40 @@ out: return rc; } +int wmi_update_ft_ies(struct wil6210_vif *vif, u16 ie_len, const void *ie) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + u16 len; + struct wmi_update_ft_ies_cmd *cmd; + int rc; + + if (!ie) + ie_len = 0; + + len = sizeof(struct wmi_update_ft_ies_cmd) + ie_len; + if (len < ie_len) { + wil_err(wil, "wraparound. ie len %d\n", ie_len); + return -EINVAL; + } + + cmd = kzalloc(len, GFP_KERNEL); + if (!cmd) { + rc = -ENOMEM; + goto out; + } + + cmd->ie_len = cpu_to_le16(ie_len); + memcpy(cmd->ie_info, ie, ie_len); + rc = wmi_send(wil, WMI_UPDATE_FT_IES_CMDID, vif->mid, cmd, len); + kfree(cmd); + +out: + if (rc) + wil_err(wil, "update ft ies failed : %d\n", rc); + + return rc; +} + /** * wmi_rxon - turn radio on/off * @on: turn on if true, off otherwise |