igb: Combine all flag info fields into a single tx_flags structure
This change is meant to combine all of the TX flags fields into one u32 flags field so that it can be stored into the tx_buffer_info structure. This includes the time stamp flag as well as mapped_as_page flag info. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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31f6adbb35
commit
2bbfebe2db
2 changed files with 17 additions and 16 deletions
drivers/net/ethernet/intel/igb
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@ -130,6 +130,15 @@ struct vf_data_storage {
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#define IGB_MNG_VLAN_NONE -1
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#define IGB_TX_FLAGS_CSUM 0x00000001
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#define IGB_TX_FLAGS_VLAN 0x00000002
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#define IGB_TX_FLAGS_TSO 0x00000004
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#define IGB_TX_FLAGS_IPV4 0x00000008
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#define IGB_TX_FLAGS_TSTAMP 0x00000010
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#define IGB_TX_FLAGS_MAPPED_AS_PAGE 0x00000020
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#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000
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#define IGB_TX_FLAGS_VLAN_SHIFT 16
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/* wrapper around a pointer to a socket buffer,
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* so a DMA handle can be stored along with the buffer */
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struct igb_tx_buffer {
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@ -3143,7 +3143,7 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
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struct igb_tx_buffer *buffer_info)
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{
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if (buffer_info->dma) {
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if (buffer_info->mapped_as_page)
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if (buffer_info->tx_flags & IGB_TX_FLAGS_MAPPED_AS_PAGE)
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dma_unmap_page(tx_ring->dev,
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buffer_info->dma,
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buffer_info->length,
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@ -3162,7 +3162,6 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring,
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buffer_info->time_stamp = 0;
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buffer_info->length = 0;
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buffer_info->next_to_watch = NULL;
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buffer_info->mapped_as_page = false;
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}
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/**
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@ -3955,14 +3954,6 @@ static void igb_set_itr(struct igb_adapter *adapter)
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}
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}
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#define IGB_TX_FLAGS_CSUM 0x00000001
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#define IGB_TX_FLAGS_VLAN 0x00000002
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#define IGB_TX_FLAGS_TSO 0x00000004
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#define IGB_TX_FLAGS_IPV4 0x00000008
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#define IGB_TX_FLAGS_TSTAMP 0x00000010
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#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000
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#define IGB_TX_FLAGS_VLAN_SHIFT 16
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void igb_tx_ctxtdesc(struct igb_ring *tx_ring, u32 vlan_macip_lens,
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u32 type_tucmd, u32 mss_l4len_idx)
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{
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@ -4151,7 +4142,7 @@ static __le32 igb_tx_olinfo_status(u32 tx_flags, unsigned int paylen,
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#define IGB_MAX_DATA_PER_TXD (1<<IGB_MAX_TXD_PWR)
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static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb,
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struct igb_tx_buffer *first)
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struct igb_tx_buffer *first, u32 tx_flags)
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{
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struct igb_tx_buffer *buffer_info;
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struct device *dev = tx_ring->dev;
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@ -4165,11 +4156,14 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb,
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buffer_info = &tx_ring->tx_buffer_info[i];
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BUG_ON(hlen >= IGB_MAX_DATA_PER_TXD);
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buffer_info->length = hlen;
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buffer_info->tx_flags = tx_flags;
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buffer_info->dma = dma_map_single(dev, skb->data, hlen,
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DMA_TO_DEVICE);
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if (dma_mapping_error(dev, buffer_info->dma))
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goto dma_error;
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tx_flags |= IGB_TX_FLAGS_MAPPED_AS_PAGE;
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for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
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struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f];
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unsigned int len = frag->size;
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@ -4182,7 +4176,7 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb,
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buffer_info = &tx_ring->tx_buffer_info[i];
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BUG_ON(len >= IGB_MAX_DATA_PER_TXD);
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buffer_info->length = len;
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buffer_info->mapped_as_page = true;
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buffer_info->tx_flags = tx_flags;
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buffer_info->dma = skb_frag_dma_map(dev, frag, 0, len,
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DMA_TO_DEVICE);
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if (dma_mapping_error(dev, buffer_info->dma))
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@ -4191,7 +4185,6 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb,
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}
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buffer_info->skb = skb;
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buffer_info->tx_flags = skb_shinfo(skb)->tx_flags;
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/* multiply data chunks by size of headers */
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buffer_info->bytecount = ((gso_segs - 1) * hlen) + skb->len;
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buffer_info->gso_segs = gso_segs;
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@ -4211,7 +4204,6 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb,
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buffer_info->dma = 0;
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buffer_info->time_stamp = 0;
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buffer_info->length = 0;
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buffer_info->mapped_as_page = false;
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/* clear timestamp and dma mappings for remaining portion of packet */
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while (count--) {
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@ -4347,7 +4339,7 @@ netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb,
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* count reflects descriptors mapped, if 0 or less then mapping error
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* has occurred and we need to rewind the descriptor queue
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*/
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count = igb_tx_map(tx_ring, skb, first);
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count = igb_tx_map(tx_ring, skb, first, tx_flags);
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if (!count) {
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dev_kfree_skb_any(skb);
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first->time_stamp = 0;
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@ -5567,7 +5559,7 @@ static void igb_tx_hwtstamp(struct igb_q_vector *q_vector,
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u64 regval;
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/* if skb does not support hw timestamp or TX stamp not valid exit */
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if (likely(!(buffer_info->tx_flags & SKBTX_HW_TSTAMP)) ||
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if (likely(!(buffer_info->tx_flags & IGB_TX_FLAGS_TSTAMP)) ||
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!(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID))
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return;
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