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brcmfmac: Add wowl patterns support.

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Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Hante Meuleman 2014-10-28 14:56:06 +01:00 committed by John W. Linville
parent 330b4e4be9
commit b9a82f892e
2 changed files with 120 additions and 35 deletions
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89
drivers/net/wireless/brcm80211/brcmfmac/fwil_types.h
View File

@ -55,59 +55,63 @@
/* WOWL bits */
/* Wakeup on Magic packet: */
#define WL_WOWL_MAGIC (1 << 0)
#define BRCMF_WOWL_MAGIC (1 << 0)
/* Wakeup on Netpattern */
#define WL_WOWL_NET (1 << 1)
#define BRCMF_WOWL_NET (1 << 1)
/* Wakeup on loss-of-link due to Disassoc/Deauth: */
#define WL_WOWL_DIS (1 << 2)
#define BRCMF_WOWL_DIS (1 << 2)
/* Wakeup on retrograde TSF: */
#define WL_WOWL_RETR (1 << 3)
#define BRCMF_WOWL_RETR (1 << 3)
/* Wakeup on loss of beacon: */
#define WL_WOWL_BCN (1 << 4)
#define BRCMF_WOWL_BCN (1 << 4)
/* Wakeup after test: */
#define WL_WOWL_TST (1 << 5)
#define BRCMF_WOWL_TST (1 << 5)
/* Wakeup after PTK refresh: */
#define WL_WOWL_M1 (1 << 6)
#define BRCMF_WOWL_M1 (1 << 6)
/* Wakeup after receipt of EAP-Identity Req: */
#define WL_WOWL_EAPID (1 << 7)
#define BRCMF_WOWL_EAPID (1 << 7)
/* Wakeind via PME(0) or GPIO(1): */
#define WL_WOWL_PME_GPIO (1 << 8)
#define BRCMF_WOWL_PME_GPIO (1 << 8)
/* need tkip phase 1 key to be updated by the driver: */
#define WL_WOWL_NEEDTKIP1 (1 << 9)
#define BRCMF_WOWL_NEEDTKIP1 (1 << 9)
/* enable wakeup if GTK fails: */
#define WL_WOWL_GTK_FAILURE (1 << 10)
#define BRCMF_WOWL_GTK_FAILURE (1 << 10)
/* support extended magic packets: */
#define WL_WOWL_EXTMAGPAT (1 << 11)
#define BRCMF_WOWL_EXTMAGPAT (1 << 11)
/* support ARP/NS/keepalive offloading: */
#define WL_WOWL_ARPOFFLOAD (1 << 12)
#define BRCMF_WOWL_ARPOFFLOAD (1 << 12)
/* read protocol version for EAPOL frames: */
#define WL_WOWL_WPA2 (1 << 13)
#define BRCMF_WOWL_WPA2 (1 << 13)
/* If the bit is set, use key rotaton: */
#define WL_WOWL_KEYROT (1 << 14)
#define BRCMF_WOWL_KEYROT (1 << 14)
/* If the bit is set, frm received was bcast frame: */
#define WL_WOWL_BCAST (1 << 15)
#define BRCMF_WOWL_BCAST (1 << 15)
/* If the bit is set, scan offload is enabled: */
#define WL_WOWL_SCANOL (1 << 16)
#define BRCMF_WOWL_SCANOL (1 << 16)
/* Wakeup on tcpkeep alive timeout: */
#define WL_WOWL_TCPKEEP_TIME (1 << 17)
#define BRCMF_WOWL_TCPKEEP_TIME (1 << 17)
/* Wakeup on mDNS Conflict Resolution: */
#define WL_WOWL_MDNS_CONFLICT (1 << 18)
#define BRCMF_WOWL_MDNS_CONFLICT (1 << 18)
/* Wakeup on mDNS Service Connect: */
#define WL_WOWL_MDNS_SERVICE (1 << 19)
#define BRCMF_WOWL_MDNS_SERVICE (1 << 19)
/* tcp keepalive got data: */
#define WL_WOWL_TCPKEEP_DATA (1 << 20)
#define BRCMF_WOWL_TCPKEEP_DATA (1 << 20)
/* Firmware died in wowl mode: */
#define WL_WOWL_FW_HALT (1 << 21)
#define BRCMF_WOWL_FW_HALT (1 << 21)
/* Enable detection of radio button changes: */
#define WL_WOWL_ENAB_HWRADIO (1 << 22)
#define BRCMF_WOWL_ENAB_HWRADIO (1 << 22)
/* Offloads detected MIC failure(s): */
#define WL_WOWL_MIC_FAIL (1 << 23)
#define BRCMF_WOWL_MIC_FAIL (1 << 23)
/* Wakeup in Unassociated state (Net/Magic Pattern): */
#define WL_WOWL_UNASSOC (1 << 24)
#define BRCMF_WOWL_UNASSOC (1 << 24)
/* Wakeup if received matched secured pattern: */
#define WL_WOWL_SECURE (1 << 25)
#define BRCMF_WOWL_SECURE (1 << 25)
/* Link Down indication in WoWL mode: */
#define WL_WOWL_LINKDOWN (1 << 31)
#define BRCMF_WOWL_LINKDOWN (1 << 31)
#define BRCMF_WOWL_MAXPATTERNS 8
#define BRCMF_WOWL_MAXPATTERNSIZE 128
/* join preference types for join_pref iovar */
enum brcmf_join_pref_types {
@ -124,6 +128,12 @@ enum brcmf_fil_p2p_if_types {
BRCMF_FIL_P2P_IF_DEV,
};
enum brcmf_wowl_pattern_type {
BRCMF_WOWL_PATTERN_TYPE_BITMAP = 0,
BRCMF_WOWL_PATTERN_TYPE_ARP,
BRCMF_WOWL_PATTERN_TYPE_NA
};
struct brcmf_fil_p2p_if_le {
u8 addr[ETH_ALEN];
__le16 type;
@ -484,4 +494,29 @@ struct brcmf_rx_mgmt_data {
__be32 rate;
};
/**
* struct brcmf_fil_wowl_pattern_le - wowl pattern configuration struct.
*
* @cmd: "add", "del" or "clr".
* @masksize: Size of the mask in #of bytes
* @offset: Pattern byte offset in packet
* @patternoffset: Offset of start of pattern. Starting from field masksize.
* @patternsize: Size of the pattern itself in #of bytes
* @id: id
* @reasonsize: Size of the wakeup reason code
* @type: Type of pattern (enum brcmf_wowl_pattern_type)
*/
struct brcmf_fil_wowl_pattern_le {
u8 cmd[4];
__le32 masksize;
__le32 offset;
__le32 patternoffset;
__le32 patternsize;
__le32 id;
__le32 reasonsize;
__le32 type;
/* u8 mask[] - Mask follows the structure above */
/* u8 pattern[] - Pattern follows the mask is at 'patternoffset' */
};
#endif /* FWIL_TYPES_H_ */

66
drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
View File

@ -2779,6 +2779,44 @@ static __always_inline void brcmf_delay(u32 ms)
}
}
static s32 brcmf_config_wowl_pattern(struct brcmf_if *ifp, u8 cmd[4],
u8 *pattern, u32 patternsize, u8 *mask,
u32 packet_offset)
{
struct brcmf_fil_wowl_pattern_le *filter;
u32 masksize;
u32 patternoffset;
u8 *buf;
u32 bufsize;
s32 ret;
masksize = (patternsize + 7) / 8;
patternoffset = sizeof(*filter) - sizeof(filter->cmd) + masksize;
bufsize = sizeof(*filter) + patternsize + masksize;
buf = kzalloc(bufsize, GFP_KERNEL);
if (!buf)
return -ENOMEM;
filter = (struct brcmf_fil_wowl_pattern_le *)buf;
memcpy(filter->cmd, cmd, 4);
filter->masksize = cpu_to_le32(masksize);
filter->offset = cpu_to_le32(packet_offset);
filter->patternoffset = cpu_to_le32(patternoffset);
filter->patternsize = cpu_to_le32(patternsize);
filter->type = cpu_to_le32(BRCMF_WOWL_PATTERN_TYPE_BITMAP);
if ((mask) && (masksize))
memcpy(buf + sizeof(*filter), mask, masksize);
if ((pattern) && (patternsize))
memcpy(buf + sizeof(*filter) + masksize, pattern, patternsize);
ret = brcmf_fil_iovar_data_set(ifp, "wowl_pattern", buf, bufsize);
kfree(buf);
return ret;
}
static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
{
struct brcmf_cfg80211_info *cfg = wiphy_to_cfg(wiphy);
@ -2788,10 +2826,11 @@ static s32 brcmf_cfg80211_resume(struct wiphy *wiphy)
brcmf_dbg(TRACE, "Enter\n");
if (cfg->wowl_enabled) {
brcmf_configure_arp_offload(ifp, true);
brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM,
cfg->pre_wowl_pmmode);
brcmf_fil_iovar_data_set(ifp, "wowl_pattern", "clr", 4);
brcmf_fil_iovar_int_set(ifp, "wowl_clear", 0);
brcmf_config_wowl_pattern(ifp, "clr", NULL, 0, NULL, 0);
cfg->wowl_enabled = false;
}
return 0;
@ -2802,21 +2841,29 @@ static void brcmf_configure_wowl(struct brcmf_cfg80211_info *cfg,
struct cfg80211_wowlan *wowl)
{
u32 wowl_config;
u32 i;
brcmf_dbg(TRACE, "Suspend, wowl config.\n");
brcmf_configure_arp_offload(ifp, false);
brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_PM, &cfg->pre_wowl_pmmode);
brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PM, PM_MAX);
wowl_config = 0;
if (wowl->disconnect)
wowl_config |= WL_WOWL_DIS | WL_WOWL_BCN | WL_WOWL_RETR;
/* Note: if "wowl" target and not "wowlpf" then wowl_bcn_loss
* should be configured. This paramater is not supported by
* wowlpf.
*/
wowl_config = BRCMF_WOWL_DIS | BRCMF_WOWL_BCN | BRCMF_WOWL_RETR;
if (wowl->magic_pkt)
wowl_config |= WL_WOWL_MAGIC;
wowl_config |= BRCMF_WOWL_MAGIC;
if ((wowl->patterns) && (wowl->n_patterns)) {
wowl_config |= BRCMF_WOWL_NET;
for (i = 0; i < wowl->n_patterns; i++) {
brcmf_config_wowl_pattern(ifp, "add",
(u8 *)wowl->patterns[i].pattern,
wowl->patterns[i].pattern_len,
(u8 *)wowl->patterns[i].mask,
wowl->patterns[i].pkt_offset);
}
}
brcmf_fil_iovar_int_set(ifp, "wowl", wowl_config);
brcmf_fil_iovar_int_set(ifp, "wowl_activate", 1);
brcmf_bus_wowl_config(cfg->pub->bus_if, true);
@ -5440,10 +5487,13 @@ static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN;
}
#ifdef CONFIG_PM
static const struct wiphy_wowlan_support brcmf_wowlan_support = {
.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
.n_patterns = BRCMF_WOWL_MAXPATTERNS,
.pattern_max_len = BRCMF_WOWL_MAXPATTERNSIZE,
.pattern_min_len = 1,
.max_pkt_offset = 1500,
};
#endif