diff options
| author | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-12-10 13:30:11 +0000 |
| commit | 49ab19a4a51a31cb06992386cec4be82ebca5a2d (patch) | |
| tree | de7d31ec7ded2c8ab8dbdfe5a55fa283068023d0 /net/mac80211/tx.c | |
| parent | b0dfd948379c79b8754e224e29b99d30ce0d79b8 (diff) | |
| parent | 3b25f337929e73232f0aa990cd68a129f53652e2 (diff) | |
Merge series "spi: spi-geni-qcom: Use gpio descriptors for CS" from Stephen Boyd <swboyd@chromium.org>:
Collected patches from the two series below and associated tags so they
can be merged in one pile through the spi tree. Merry December!
SPI: https://lore.kernel.org/r/20201202214935.1114381-1-swboyd@chromium.org
cros-ec: https://lore.kernel.org/r/20201203011649.1405292-1-swboyd@chromium.org
Cc: Akash Asthana <akashast@codeaurora.org>
Cc: Simon Glass <sjg@chromium.org>
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Alexandru M Stan <amstan@chromium.org>
Stephen Boyd (3):
platform/chrome: cros_ec_spi: Don't overwrite spi::mode
platform/chrome: cros_ec_spi: Drop bits_per_word assignment
spi: spi-geni-qcom: Use the new method of gpio CS control
drivers/platform/chrome/cros_ec_spi.c | 2 --
drivers/spi/spi-geni-qcom.c | 1 +
2 files changed, 1 insertion(+), 2 deletions(-)
base-commit: b65054597872ce3aefbc6a666385eabdf9e288da
--
https://chromeos.dev
Diffstat (limited to 'net/mac80211/tx.c')
| -rw-r--r-- | net/mac80211/tx.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 8ba10a48ded4..56a4d0d20a26 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1942,19 +1942,24 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata, /* device xmit handlers */ +enum ieee80211_encrypt { + ENCRYPT_NO, + ENCRYPT_MGMT, + ENCRYPT_DATA, +}; + static int ieee80211_skb_resize(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, - int head_need, bool may_encrypt) + int head_need, + enum ieee80211_encrypt encrypt) { struct ieee80211_local *local = sdata->local; - struct ieee80211_hdr *hdr; bool enc_tailroom; int tail_need = 0; - hdr = (struct ieee80211_hdr *) skb->data; - enc_tailroom = may_encrypt && - (sdata->crypto_tx_tailroom_needed_cnt || - ieee80211_is_mgmt(hdr->frame_control)); + enc_tailroom = encrypt == ENCRYPT_MGMT || + (encrypt == ENCRYPT_DATA && + sdata->crypto_tx_tailroom_needed_cnt); if (enc_tailroom) { tail_need = IEEE80211_ENCRYPT_TAILROOM; @@ -1985,23 +1990,29 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_hdr *hdr; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; int headroom; - bool may_encrypt; + enum ieee80211_encrypt encrypt; - may_encrypt = !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT); + if (info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT) + encrypt = ENCRYPT_NO; + else if (ieee80211_is_mgmt(hdr->frame_control)) + encrypt = ENCRYPT_MGMT; + else + encrypt = ENCRYPT_DATA; headroom = local->tx_headroom; - if (may_encrypt) + if (encrypt != ENCRYPT_NO) headroom += sdata->encrypt_headroom; headroom -= skb_headroom(skb); headroom = max_t(int, 0, headroom); - if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) { + if (ieee80211_skb_resize(sdata, skb, headroom, encrypt)) { ieee80211_free_txskb(&local->hw, skb); return; } + /* reload after potential resize */ hdr = (struct ieee80211_hdr *) skb->data; info->control.vif = &sdata->vif; @@ -2828,7 +2839,7 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata, head_need += sdata->encrypt_headroom; head_need += local->tx_headroom; head_need = max_t(int, 0, head_need); - if (ieee80211_skb_resize(sdata, skb, head_need, true)) { + if (ieee80211_skb_resize(sdata, skb, head_need, ENCRYPT_DATA)) { ieee80211_free_txskb(&local->hw, skb); skb = NULL; return ERR_PTR(-ENOMEM); @@ -3502,7 +3513,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, if (unlikely(ieee80211_skb_resize(sdata, skb, max_t(int, extra_head + hw_headroom - skb_headroom(skb), 0), - false))) { + ENCRYPT_NO))) { kfree_skb(skb); return true; } @@ -3619,13 +3630,14 @@ begin: tx.skb = skb; tx.sdata = vif_to_sdata(info->control.vif); - if (txq->sta && !(info->flags & IEEE80211_TX_CTL_INJECTED)) { + if (txq->sta) { tx.sta = container_of(txq->sta, struct sta_info, sta); /* * Drop unicast frames to unauthorised stations unless they are - * EAPOL frames from the local station. + * injected frames or EAPOL frames from the local station. */ - if (unlikely(ieee80211_is_data(hdr->frame_control) && + if (unlikely(!(info->flags & IEEE80211_TX_CTL_INJECTED) && + ieee80211_is_data(hdr->frame_control) && !ieee80211_vif_is_mesh(&tx.sdata->vif) && tx.sdata->vif.type != NL80211_IFTYPE_OCB && !is_multicast_ether_addr(hdr->addr1) && |