diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c | 151 |
1 files changed, 112 insertions, 39 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c index c85e2db75f1d..26e1fe8c132c 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c @@ -5695,63 +5695,132 @@ brcmf_txrx_stypes[NUM_NL80211_IFTYPES] = { } }; +/** + * brcmf_setup_ifmodes() - determine interface modes and combinations. + * + * @wiphy: wiphy object. + * @ifp: interface object needed for feat module api. + * + * The interface modes and combinations are determined dynamically here + * based on firmware functionality. + * + * no p2p and no mbss: + * + * #STA <= 1, #AP <= 1, channels = 1, 2 total + * + * no p2p and mbss: + * + * #STA <= 1, #AP <= 1, channels = 1, 2 total + * #AP <= 4, matching BI, channels = 1, 4 total + * + * p2p, no mchan, and mbss: + * + * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 1, 3 total + * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total + * #AP <= 4, matching BI, channels = 1, 4 total + * + * p2p, mchan, and mbss: + * + * #STA <= 1, #P2P-DEV <= 1, #{P2P-CL, P2P-GO} <= 1, channels = 2, 3 total + * #STA <= 1, #P2P-DEV <= 1, #AP <= 1, #P2P-CL <= 1, channels = 1, 4 total + * #AP <= 4, matching BI, channels = 1, 4 total + */ static int brcmf_setup_ifmodes(struct wiphy *wiphy, struct brcmf_if *ifp) { struct ieee80211_iface_combination *combo = NULL; - struct ieee80211_iface_limit *limits = NULL; - int i = 0, max_iface_cnt; + struct ieee80211_iface_limit *c0_limits = NULL; + struct ieee80211_iface_limit *p2p_limits = NULL; + struct ieee80211_iface_limit *mbss_limits = NULL; + bool mbss, p2p; + int i, c, n_combos; + + mbss = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS); + p2p = brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P); - combo = kzalloc(sizeof(*combo), GFP_KERNEL); + n_combos = 1 + !!p2p + !!mbss; + combo = kcalloc(n_combos, sizeof(*combo), GFP_KERNEL); if (!combo) goto err; - limits = kzalloc(sizeof(*limits) * 4, GFP_KERNEL); - if (!limits) + c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL); + if (!c0_limits) goto err; + if (p2p) { + p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL); + if (!p2p_limits) + goto err; + } + + if (mbss) { + mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL); + if (!mbss_limits) + goto err; + } + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) - combo->num_different_channels = 2; - else - combo->num_different_channels = 1; - - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MBSS)) { - limits[i].max = 1; - limits[i++].types = BIT(NL80211_IFTYPE_STATION); - limits[i].max = 4; - limits[i++].types = BIT(NL80211_IFTYPE_AP); - max_iface_cnt = 5; - } else { - limits[i].max = 2; - limits[i++].types = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_AP); - max_iface_cnt = 2; - } - - if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_P2P)) { + c = 0; + i = 0; + combo[c].num_different_channels = 1; + c0_limits[i].max = 1; + c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION); + if (p2p) { + if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MCHAN)) + combo[c].num_different_channels = 2; wiphy->interface_modes |= BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_P2P_DEVICE); - limits[i].max = 1; - limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO); - limits[i].max = 1; - limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); - max_iface_cnt += 2; - } - combo->max_interfaces = max_iface_cnt; - combo->limits = limits; - combo->n_limits = i; - + c0_limits[i].max = 1; + c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); + c0_limits[i].max = 1; + c0_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT) | + BIT(NL80211_IFTYPE_P2P_GO); + } else { + c0_limits[i].max = 1; + c0_limits[i++].types = BIT(NL80211_IFTYPE_AP); + } + combo[c].max_interfaces = i; + combo[c].n_limits = i; + combo[c].limits = c0_limits; + + if (p2p) { + c++; + i = 0; + combo[c].num_different_channels = 1; + p2p_limits[i].max = 1; + p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION); + p2p_limits[i].max = 1; + p2p_limits[i++].types = BIT(NL80211_IFTYPE_AP); + p2p_limits[i].max = 1; + p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT); + p2p_limits[i].max = 1; + p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE); + combo[c].max_interfaces = i; + combo[c].n_limits = i; + combo[c].limits = p2p_limits; + } + + if (mbss) { + c++; + combo[c].beacon_int_infra_match = true; + combo[c].num_different_channels = 1; + mbss_limits[0].max = 4; + mbss_limits[0].types = BIT(NL80211_IFTYPE_AP); + combo[c].max_interfaces = 4; + combo[c].n_limits = 1; + combo[c].limits = mbss_limits; + } + wiphy->n_iface_combinations = n_combos; wiphy->iface_combinations = combo; - wiphy->n_iface_combinations = 1; return 0; err: - kfree(limits); + kfree(c0_limits); + kfree(p2p_limits); + kfree(mbss_limits); kfree(combo); return -ENOMEM; } @@ -6080,11 +6149,15 @@ static void brcmf_cfg80211_reg_notifier(struct wiphy *wiphy, static void brcmf_free_wiphy(struct wiphy *wiphy) { + int i; + if (!wiphy) return; - if (wiphy->iface_combinations) - kfree(wiphy->iface_combinations->limits); + if (wiphy->iface_combinations) { + for (i = 0; i < wiphy->n_iface_combinations; i++) + kfree(wiphy->iface_combinations[i].limits); + } kfree(wiphy->iface_combinations); if (wiphy->bands[IEEE80211_BAND_2GHZ]) { kfree(wiphy->bands[IEEE80211_BAND_2GHZ]->channels); |