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authorDavid S. Miller <davem@davemloft.net>2012-05-07 23:35:40 -0400
committerDavid S. Miller <davem@davemloft.net>2012-05-07 23:35:40 -0400
commit0d6c4a2e4641bbc556dd74d3aa158c413a972492 (patch)
treeda944af17682659bb433dc2282dcb48380c14cd1 /drivers/net/wireless/iwlwifi/iwl-agn-rx.c
parent6e06c0e2347ec79d0bd5702b2438fe883f784545 (diff)
parent1c430a727fa512500a422ffe4712166c550ea06a (diff)
downloadop-kernel-dev-0d6c4a2e4641bbc556dd74d3aa158c413a972492.zip
op-kernel-dev-0d6c4a2e4641bbc556dd74d3aa158c413a972492.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/intel/e1000e/param.c drivers/net/wireless/iwlwifi/iwl-agn-rx.c drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c drivers/net/wireless/iwlwifi/iwl-trans.h Resolved the iwlwifi conflict with mainline using 3-way diff posted by John Linville and Stephen Rothwell. In 'net' we added a bug fix to make iwlwifi report a more accurate skb->truesize but this conflicted with RX path changes that happened meanwhile in net-next. In e1000e a conflict arose in the validation code for settings of adapter->itr. 'net-next' had more sophisticated logic so that logic was used. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rx.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
index f941223..0c252c5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rx.c
@@ -737,8 +737,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
struct sk_buff *skb;
__le16 fc = hdr->frame_control;
struct iwl_rxon_context *ctx;
- struct page *p;
- int offset;
+ unsigned int hdrlen, fraglen;
/* We only process data packets if the interface is open */
if (unlikely(!priv->is_open)) {
@@ -752,15 +751,24 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
iwlagn_set_decrypted_flag(priv, hdr, ampdu_status, stats))
return;
- skb = dev_alloc_skb(128);
+ /* Dont use dev_alloc_skb(), we'll have enough headroom once
+ * ieee80211_hdr pulled.
+ */
+ skb = alloc_skb(128, GFP_ATOMIC);
if (!skb) {
- IWL_ERR(priv, "dev_alloc_skb failed\n");
+ IWL_ERR(priv, "alloc_skb failed\n");
return;
}
+ hdrlen = min_t(unsigned int, len, skb_tailroom(skb));
+ memcpy(skb_put(skb, hdrlen), hdr, hdrlen);
+ fraglen = len - hdrlen;
+
+ if (fraglen) {
+ int offset = (void *)hdr - rxb_addr(rxb) + rxb_offset(rxb);
- offset = (void *)hdr - rxb_addr(rxb) + rxb_offset(rxb);
- p = rxb_steal_page(rxb);
- skb_add_rx_frag(skb, 0, p, offset, len, len);
+ skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset,
+ fraglen, rxb->truesize);
+ }
/*
* Wake any queues that were stopped due to a passive channel tx
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