diff options
| author | Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> | 2013-10-14 19:08:29 -0700 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-10-28 15:05:28 +0100 |
| commit | c0f17eb9b2d4d322c099a0700437209149224583 (patch) | |
| tree | ed32c2de60b9dc2dc50e2125ce49fae54e5507a8 /net/mac80211/spectmgmt.c | |
| parent | 06be6b149f7e406bcf16098567f5a6c9f042bced (diff) | |
| download | linux-c0f17eb9b2d4d322c099a0700437209149224583.tar.gz | |
mac80211: refactor the parsing of chan switch ie
Refactor the channel switch IE parsing to reduce the number of function parameters. Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/spectmgmt.c')
| -rw-r--r-- | net/mac80211/spectmgmt.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/net/mac80211/spectmgmt.c b/net/mac80211/spectmgmt.c index 921597e279a3..a298e129633b 100644 --- a/net/mac80211/spectmgmt.c +++ b/net/mac80211/spectmgmt.c @@ -24,8 +24,8 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, struct ieee802_11_elems *elems, bool beacon, enum ieee80211_band current_band, - u32 sta_flags, u8 *bssid, u8 *count, u8 *mode, - struct cfg80211_chan_def *new_chandef) + u32 sta_flags, u8 *bssid, + struct ieee80211_csa_ie *csa_ie) { enum ieee80211_band new_band; int new_freq; @@ -62,13 +62,13 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, return -EINVAL; } new_chan_no = elems->ext_chansw_ie->new_ch_num; - *count = elems->ext_chansw_ie->count; - *mode = elems->ext_chansw_ie->mode; + csa_ie->count = elems->ext_chansw_ie->count; + csa_ie->mode = elems->ext_chansw_ie->mode; } else if (elems->ch_switch_ie) { new_band = current_band; new_chan_no = elems->ch_switch_ie->new_ch_num; - *count = elems->ch_switch_ie->count; - *mode = elems->ch_switch_ie->mode; + csa_ie->count = elems->ch_switch_ie->count; + csa_ie->mode = elems->ch_switch_ie->mode; } else { /* nothing here we understand */ return 1; @@ -103,25 +103,26 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, default: /* secondary_channel_offset was present but is invalid */ case IEEE80211_HT_PARAM_CHA_SEC_NONE: - cfg80211_chandef_create(new_chandef, new_chan, + cfg80211_chandef_create(&csa_ie->chandef, new_chan, NL80211_CHAN_HT20); break; case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: - cfg80211_chandef_create(new_chandef, new_chan, + cfg80211_chandef_create(&csa_ie->chandef, new_chan, NL80211_CHAN_HT40PLUS); break; case IEEE80211_HT_PARAM_CHA_SEC_BELOW: - cfg80211_chandef_create(new_chandef, new_chan, + cfg80211_chandef_create(&csa_ie->chandef, new_chan, NL80211_CHAN_HT40MINUS); break; case -1: - cfg80211_chandef_create(new_chandef, new_chan, + cfg80211_chandef_create(&csa_ie->chandef, new_chan, NL80211_CHAN_NO_HT); /* keep width for 5/10 MHz channels */ switch (sdata->vif.bss_conf.chandef.width) { case NL80211_CHAN_WIDTH_5: case NL80211_CHAN_WIDTH_10: - new_chandef->width = sdata->vif.bss_conf.chandef.width; + csa_ie->chandef.width = + sdata->vif.bss_conf.chandef.width; break; default: break; @@ -171,13 +172,13 @@ int ieee80211_parse_ch_switch_ie(struct ieee80211_sub_if_data *sdata, /* if VHT data is there validate & use it */ if (new_vht_chandef.chan) { if (!cfg80211_chandef_compatible(&new_vht_chandef, - new_chandef)) { + &csa_ie->chandef)) { sdata_info(sdata, "BSS %pM: CSA has inconsistent channel data, disconnecting\n", bssid); return -EINVAL; } - *new_chandef = new_vht_chandef; + csa_ie->chandef = new_vht_chandef; } return 0; |