From c6e37ed498f958254b5459253199e816b6bfc52f Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 20 Sep 2021 15:40:08 +0200 Subject: mac80211: move CRC into struct ieee802_11_elems We're currently returning this value, but to prepare for returning the allocated structure, move it into there. Link: https://lore.kernel.org/r/20210920154009.479b8ebf999d.If0d4ba75ee38998dc3eeae25058aa748efcb2fc9@changeid Signed-off-by: Johannes Berg --- net/mac80211/ieee80211_i.h | 9 +++++---- net/mac80211/mlme.c | 9 +++++---- net/mac80211/util.c | 10 +++++----- 3 files changed, 15 insertions(+), 13 deletions(-) (limited to 'net/mac80211') diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index d74031bb4ae6..6a129a08bc9b 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1507,6 +1507,7 @@ struct ieee80211_csa_ie { struct ieee802_11_elems { const u8 *ie_start; size_t total_len; + u32 crc; /* pointers to IEs */ const struct ieee80211_tdls_lnkie *lnk_id; @@ -2193,10 +2194,10 @@ static inline void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, ieee80211_tx_skb_tid(sdata, skb, 7); } -u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - struct ieee802_11_elems *elems, - u64 filter, u32 crc, u8 *transmitter_bssid, - u8 *bss_bssid); +void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, + struct ieee802_11_elems *elems, + u64 filter, u32 crc, u8 *transmitter_bssid, + u8 *bss_bssid); static inline void ieee802_11_parse_elems(const u8 *start, size_t len, bool action, struct ieee802_11_elems *elems, diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c0ea3b1aa9e1..39b3ed89e0da 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -4070,10 +4070,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, */ if (!ieee80211_is_s1g_beacon(hdr->frame_control)) ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4); - ncrc = ieee802_11_parse_elems_crc(variable, - len - baselen, false, &elems, - care_about_ies, ncrc, - mgmt->bssid, bssid); + ieee802_11_parse_elems_crc(variable, + len - baselen, false, &elems, + care_about_ies, ncrc, + mgmt->bssid, bssid); + ncrc = elems.crc; if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) && ieee80211_check_tim(elems.tim, elems.tim_len, bss_conf->aid)) { diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 49cb96d25169..43ccad8b24c7 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1461,10 +1461,10 @@ static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len, return found ? profile_len : 0; } -u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, - struct ieee802_11_elems *elems, - u64 filter, u32 crc, u8 *transmitter_bssid, - u8 *bss_bssid) +void ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, + struct ieee802_11_elems *elems, + u64 filter, u32 crc, u8 *transmitter_bssid, + u8 *bss_bssid) { const struct element *non_inherit = NULL; u8 *nontransmitted_profile; @@ -1516,7 +1516,7 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, kfree(nontransmitted_profile); - return crc; + elems->crc = crc; } void ieee80211_regulatory_limit_wmm_params(struct ieee80211_sub_if_data *sdata, -- cgit