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mac80211: clean up station flags debugfs
Avoid the really strange %s%s%s expression, use an array of flag names and check that all flags are present. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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3c5bcb2e19
commit
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@ -52,31 +52,54 @@ static const struct file_operations sta_ ##name## _ops = { \
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STA_FILE(aid, sta.aid, D);
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static const char * const sta_flag_names[] = {
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#define FLAG(F) [WLAN_STA_##F] = #F
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FLAG(AUTH),
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FLAG(ASSOC),
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FLAG(PS_STA),
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FLAG(AUTHORIZED),
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FLAG(SHORT_PREAMBLE),
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FLAG(WDS),
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FLAG(CLEAR_PS_FILT),
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FLAG(MFP),
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FLAG(BLOCK_BA),
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FLAG(PS_DRIVER),
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FLAG(PSPOLL),
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FLAG(TDLS_PEER),
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FLAG(TDLS_PEER_AUTH),
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FLAG(TDLS_INITIATOR),
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FLAG(TDLS_CHAN_SWITCH),
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FLAG(TDLS_OFF_CHANNEL),
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FLAG(TDLS_WIDER_BW),
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FLAG(UAPSD),
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FLAG(SP),
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FLAG(4ADDR_EVENT),
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FLAG(INSERTED),
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FLAG(RATE_CONTROL),
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FLAG(TOFFSET_KNOWN),
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FLAG(MPSP_OWNER),
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FLAG(MPSP_RECIPIENT),
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FLAG(PS_DELIVER),
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#undef FLAG
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};
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static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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char buf[121];
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char buf[16 * NUM_WLAN_STA_FLAGS], *pos = buf;
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char *end = buf + sizeof(buf) - 1;
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struct sta_info *sta = file->private_data;
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unsigned int flg;
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#define TEST(flg) \
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test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
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BUILD_BUG_ON(ARRAY_SIZE(sta_flag_names) != NUM_WLAN_STA_FLAGS);
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int res = scnprintf(buf, sizeof(buf),
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"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
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TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
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TEST(PS_DRIVER), TEST(AUTHORIZED),
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TEST(SHORT_PREAMBLE),
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sta->sta.wme ? "WME\n" : "",
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TEST(WDS), TEST(CLEAR_PS_FILT),
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TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
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TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
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TEST(TDLS_PEER_AUTH), TEST(TDLS_INITIATOR),
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TEST(TDLS_CHAN_SWITCH), TEST(TDLS_OFF_CHANNEL),
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TEST(4ADDR_EVENT), TEST(INSERTED),
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TEST(RATE_CONTROL), TEST(TOFFSET_KNOWN),
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TEST(MPSP_OWNER), TEST(MPSP_RECIPIENT));
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#undef TEST
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return simple_read_from_buffer(userbuf, count, ppos, buf, res);
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for (flg = 0; flg < NUM_WLAN_STA_FLAGS; flg++) {
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if (test_sta_flag(sta, flg))
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pos += scnprintf(pos, end - pos, "%s\n",
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sta_flag_names[flg]);
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}
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return simple_read_from_buffer(userbuf, count, ppos, buf, strlen(buf));
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}
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STA_OPS(flags);
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@ -69,6 +69,8 @@
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* @WLAN_STA_MPSP_RECIPIENT: local STA is recipient of a MPSP.
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* @WLAN_STA_PS_DELIVER: station woke up, but we're still blocking TX
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* until pending frames are delivered
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*
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* @NUM_WLAN_STA_FLAGS: number of defined flags
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*/
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enum ieee80211_sta_info_flags {
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WLAN_STA_AUTH,
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@ -97,6 +99,8 @@ enum ieee80211_sta_info_flags {
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WLAN_STA_MPSP_OWNER,
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WLAN_STA_MPSP_RECIPIENT,
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WLAN_STA_PS_DELIVER,
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NUM_WLAN_STA_FLAGS,
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};
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#define ADDBA_RESP_INTERVAL HZ
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