diff options
author | Johannes Berg <johannes.berg@intel.com> | 2024-02-09 15:10:09 +0100 |
---|---|---|
committer | iwlwifi publisher <> | 2024-04-17 12:49:05 +0000 |
commit | eb4ffb91ff53280125689d8cb8df5f95a90746b5 (patch) | |
tree | 1df1c42555a4dd3b6bce5c4dae87737390aed3b2 | |
parent | d253a4cb9589d91e1a23aae58bf89c48b4ea2b57 (diff) | |
download | backport-iwlwifi-eb4ffb91ff53280125689d8cb8df5f95a90746b5.tar.gz |
wifi: mac80211: simplify multi-link element parsing
We shouldn't assign elems->ml_basic{,len} before defragmentation,
and we don't need elems->ml_reconf{,len} at all since we don't do
defragmentation. Clean that up a bit. This does require always
defragmention even when it may not be needed, but that's easier
to reason about.
type=cleanup
ticket=none
Change-Id: I89a80f7387eabef8df3955485d4a583ed024c5b1
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-on: https://gerritwcs.ir.intel.com/c/iwlwifi-stack-dev/+/93718
automatic-review: iil_jenkins iil_jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
tested: iil_jenkins iil_jenkins <EC.GER.UNIX.IIL.JENKINS@INTEL.COM>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
x-iwlwifi-stack-dev: e5632b48eed40661939965bee033c13960d305d2
-rw-r--r-- | net/mac80211/ieee80211_i.h | 6 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 6 | ||||
-rw-r--r-- | net/mac80211/parse.c | 12 | ||||
-rw-r--r-- | versions | 2 |
4 files changed, 9 insertions, 17 deletions
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8b1f235d03..a8c5c7a3a4 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1745,7 +1745,6 @@ struct ieee802_11_elems { const struct ieee80211_eht_cap_elem *eht_cap; const struct ieee80211_eht_operation *eht_operation; const struct ieee80211_multi_link_elem *ml_basic; - const struct ieee80211_multi_link_elem *ml_reconf; const struct ieee80211_bandwidth_indication *bandwidth_indication; const struct ieee80211_ttlm_elem *ttlm[IEEE80211_TTLM_MAX_CNT]; const struct ieee80211_bss_load_elem *bss_load; @@ -1774,12 +1773,11 @@ struct ieee802_11_elems { /* mult-link element can be de-fragmented and thus u8 is not sufficient */ size_t ml_basic_len; - size_t ml_reconf_len; - /* The basic Multi-Link element in the original IEs */ + /* The basic Multi-Link element in the original elements */ const struct element *ml_basic_elem; - /* The reconfiguration Multi-Link element in the original IEs */ + /* The reconfiguration Multi-Link element in the original elements */ const struct element *ml_reconf_elem; u8 ttlm_num; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index a797c3db15..d9907ea2c9 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -5766,7 +5766,7 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata, u8 link_id; u32 delay; - if (!ieee80211_vif_is_mld(&sdata->vif) || !elems->ml_reconf) + if (!ieee80211_vif_is_mld(&sdata->vif) || !elems->ml_reconf_elem) return; ml_len = cfg80211_defragment_element(elems->ml_reconf_elem, @@ -5779,9 +5779,7 @@ static void ieee80211_ml_reconfiguration(struct ieee80211_sub_if_data *sdata, if (ml_len < 0) return; - elems->ml_reconf = (const void *)elems->scratch_pos; - elems->ml_reconf_len = ml_len; - ml = elems->ml_reconf; + ml = (const void *)elems->scratch_pos; /* Directly parse the sub elements as the common information doesn't * hold any useful information. diff --git a/net/mac80211/parse.c b/net/mac80211/parse.c index 97153250c6..30907ba610 100644 --- a/net/mac80211/parse.c +++ b/net/mac80211/parse.c @@ -129,19 +129,15 @@ ieee80211_parse_extension_element(u32 *crc, switch (le16_get_bits(mle->control, IEEE80211_ML_CONTROL_TYPE)) { case IEEE80211_ML_CONTROL_TYPE_BASIC: - if (elems->ml_basic) { + if (elems->ml_basic_elem) { elems->parse_error |= IEEE80211_PARSE_ERR_DUP_NEST_ML_BASIC; break; } elems->ml_basic_elem = (void *)elem; - elems->ml_basic = data; - elems->ml_basic_len = len; break; case IEEE80211_ML_CONTROL_TYPE_RECONF: elems->ml_reconf_elem = (void *)elem; - elems->ml_reconf = data; - elems->ml_reconf_len = len; break; default: break; @@ -795,9 +791,6 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems, const struct element *non_inherit = NULL; const u8 *end; - if (params->link_id == -1) - return; - ml_len = cfg80211_defragment_element(elems->ml_basic_elem, elems->ie_start, elems->total_len, @@ -814,6 +807,9 @@ static void ieee80211_mle_parse_link(struct ieee802_11_elems *elems, elems->ml_basic_len = ml_len; elems->scratch_pos += ml_len; + if (params->link_id == -1) + return; + ieee80211_mle_get_sta_prof(elems, params->link_id); prof = elems->prof; @@ -2,4 +2,4 @@ BACKPORTS_VERSION="(see git)" BACKPORTED_KERNEL_VERSION="(see git)" BACKPORTED_KERNEL_NAME="iwlwifi" BACKPORTS_BUILD_TSTAMP=__DATE__ \" \" __TIME__ -BACKPORTS_GIT_TRACKED="iwlwifi-stack-public:master:11896:e85e5c6d" +BACKPORTS_GIT_TRACKED="iwlwifi-stack-public:master:11897:e5632b48" |