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109 lines
3.5 KiB
Diff
109 lines
3.5 KiB
Diff
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 7 Jun 2016 21:10:18 +0200
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Subject: [PATCH] brcmfmac: slightly simplify building interface combinations
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This change reorders some operations in brcmf_setup_ifmodes in hope to
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make it simpler:
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1) It allocates arrays right before filling them. This way it's easier
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to follow requested array length as it's immediately followed by
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code filling it. It's easier to check e.g. why we need 4 entries for
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P2P. Other than that it deduplicates some checks (e.g. for P2P).
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2) It reorders code to first prepare limits and then define a new combo.
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Previously this was mixed (e.g. we were setting num of channels
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before preparing limits).
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3) It modifies mbss code to use i variable just like other combos do.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -6284,29 +6284,15 @@ static int brcmf_setup_ifmodes(struct wi
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if (!combo)
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goto err;
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- c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
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- if (!c0_limits)
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- goto err;
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-
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- if (p2p) {
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- p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
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- if (!p2p_limits)
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- goto err;
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- }
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-
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- if (mbss) {
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- mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
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- if (!mbss_limits)
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- goto err;
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- }
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-
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wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
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BIT(NL80211_IFTYPE_ADHOC) |
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BIT(NL80211_IFTYPE_AP);
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c = 0;
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i = 0;
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- combo[c].num_different_channels = 1;
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+ c0_limits = kcalloc(p2p ? 3 : 2, sizeof(*c0_limits), GFP_KERNEL);
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+ if (!c0_limits)
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+ goto err;
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c0_limits[i].max = 1;
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c0_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
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if (p2p) {
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@@ -6324,6 +6310,7 @@ static int brcmf_setup_ifmodes(struct wi
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c0_limits[i].max = 1;
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c0_limits[i++].types = BIT(NL80211_IFTYPE_AP);
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}
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+ combo[c].num_different_channels = 1;
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combo[c].max_interfaces = i;
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combo[c].n_limits = i;
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combo[c].limits = c0_limits;
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@@ -6331,7 +6318,9 @@ static int brcmf_setup_ifmodes(struct wi
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if (p2p) {
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c++;
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i = 0;
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- combo[c].num_different_channels = 1;
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+ p2p_limits = kcalloc(4, sizeof(*p2p_limits), GFP_KERNEL);
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+ if (!p2p_limits)
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+ goto err;
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p2p_limits[i].max = 1;
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p2p_limits[i++].types = BIT(NL80211_IFTYPE_STATION);
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p2p_limits[i].max = 1;
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@@ -6340,6 +6329,7 @@ static int brcmf_setup_ifmodes(struct wi
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p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_CLIENT);
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p2p_limits[i].max = 1;
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p2p_limits[i++].types = BIT(NL80211_IFTYPE_P2P_DEVICE);
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+ combo[c].num_different_channels = 1;
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combo[c].max_interfaces = i;
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combo[c].n_limits = i;
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combo[c].limits = p2p_limits;
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@@ -6347,14 +6337,19 @@ static int brcmf_setup_ifmodes(struct wi
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if (mbss) {
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c++;
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+ i = 0;
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+ mbss_limits = kcalloc(1, sizeof(*mbss_limits), GFP_KERNEL);
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+ if (!mbss_limits)
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+ goto err;
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+ mbss_limits[i].max = 4;
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+ mbss_limits[i++].types = BIT(NL80211_IFTYPE_AP);
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combo[c].beacon_int_infra_match = true;
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combo[c].num_different_channels = 1;
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- mbss_limits[0].max = 4;
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- mbss_limits[0].types = BIT(NL80211_IFTYPE_AP);
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combo[c].max_interfaces = 4;
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- combo[c].n_limits = 1;
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+ combo[c].n_limits = i;
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combo[c].limits = mbss_limits;
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}
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+
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wiphy->n_iface_combinations = n_combos;
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wiphy->iface_combinations = combo;
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return 0;
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