From 2bbfebe2db3453f9ad5a3de56b77d383b91a7829 Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Fri, 26 Aug 2011 07:44:59 +0000 Subject: [PATCH] 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 Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/igb.h | 9 +++++++++ drivers/net/ethernet/intel/igb/igb_main.c | 24 ++++++++--------------- 2 files changed, 17 insertions(+), 16 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 160811053d0f..b71d1863e551 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -130,6 +130,15 @@ struct vf_data_storage { #define IGB_MNG_VLAN_NONE -1 +#define IGB_TX_FLAGS_CSUM 0x00000001 +#define IGB_TX_FLAGS_VLAN 0x00000002 +#define IGB_TX_FLAGS_TSO 0x00000004 +#define IGB_TX_FLAGS_IPV4 0x00000008 +#define IGB_TX_FLAGS_TSTAMP 0x00000010 +#define IGB_TX_FLAGS_MAPPED_AS_PAGE 0x00000020 +#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 +#define IGB_TX_FLAGS_VLAN_SHIFT 16 + /* wrapper around a pointer to a socket buffer, * so a DMA handle can be stored along with the buffer */ struct igb_tx_buffer { diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 3ebeb3e51a1d..dc93d64cf165 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3143,7 +3143,7 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring, struct igb_tx_buffer *buffer_info) { if (buffer_info->dma) { - if (buffer_info->mapped_as_page) + if (buffer_info->tx_flags & IGB_TX_FLAGS_MAPPED_AS_PAGE) dma_unmap_page(tx_ring->dev, buffer_info->dma, buffer_info->length, @@ -3162,7 +3162,6 @@ void igb_unmap_and_free_tx_resource(struct igb_ring *tx_ring, buffer_info->time_stamp = 0; buffer_info->length = 0; buffer_info->next_to_watch = NULL; - buffer_info->mapped_as_page = false; } /** @@ -3955,14 +3954,6 @@ set_itr_now: } } -#define IGB_TX_FLAGS_CSUM 0x00000001 -#define IGB_TX_FLAGS_VLAN 0x00000002 -#define IGB_TX_FLAGS_TSO 0x00000004 -#define IGB_TX_FLAGS_IPV4 0x00000008 -#define IGB_TX_FLAGS_TSTAMP 0x00000010 -#define IGB_TX_FLAGS_VLAN_MASK 0xffff0000 -#define IGB_TX_FLAGS_VLAN_SHIFT 16 - void igb_tx_ctxtdesc(struct igb_ring *tx_ring, u32 vlan_macip_lens, u32 type_tucmd, u32 mss_l4len_idx) { @@ -4151,7 +4142,7 @@ static __le32 igb_tx_olinfo_status(u32 tx_flags, unsigned int paylen, #define IGB_MAX_DATA_PER_TXD (1<dev; @@ -4165,11 +4156,14 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb, buffer_info = &tx_ring->tx_buffer_info[i]; BUG_ON(hlen >= IGB_MAX_DATA_PER_TXD); buffer_info->length = hlen; + buffer_info->tx_flags = tx_flags; buffer_info->dma = dma_map_single(dev, skb->data, hlen, DMA_TO_DEVICE); if (dma_mapping_error(dev, buffer_info->dma)) goto dma_error; + tx_flags |= IGB_TX_FLAGS_MAPPED_AS_PAGE; + for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) { struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[f]; unsigned int len = frag->size; @@ -4182,7 +4176,7 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb, buffer_info = &tx_ring->tx_buffer_info[i]; BUG_ON(len >= IGB_MAX_DATA_PER_TXD); buffer_info->length = len; - buffer_info->mapped_as_page = true; + buffer_info->tx_flags = tx_flags; buffer_info->dma = skb_frag_dma_map(dev, frag, 0, len, DMA_TO_DEVICE); if (dma_mapping_error(dev, buffer_info->dma)) @@ -4191,7 +4185,6 @@ static inline int igb_tx_map(struct igb_ring *tx_ring, struct sk_buff *skb, } buffer_info->skb = skb; - buffer_info->tx_flags = skb_shinfo(skb)->tx_flags; /* multiply data chunks by size of headers */ buffer_info->bytecount = ((gso_segs - 1) * hlen) + skb->len; buffer_info->gso_segs = gso_segs; @@ -4211,7 +4204,6 @@ dma_error: buffer_info->dma = 0; buffer_info->time_stamp = 0; buffer_info->length = 0; - buffer_info->mapped_as_page = false; /* clear timestamp and dma mappings for remaining portion of packet */ while (count--) { @@ -4347,7 +4339,7 @@ netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb, * count reflects descriptors mapped, if 0 or less then mapping error * has occurred and we need to rewind the descriptor queue */ - count = igb_tx_map(tx_ring, skb, first); + count = igb_tx_map(tx_ring, skb, first, tx_flags); if (!count) { dev_kfree_skb_any(skb); first->time_stamp = 0; @@ -5567,7 +5559,7 @@ static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, u64 regval; /* if skb does not support hw timestamp or TX stamp not valid exit */ - if (likely(!(buffer_info->tx_flags & SKBTX_HW_TSTAMP)) || + if (likely(!(buffer_info->tx_flags & IGB_TX_FLAGS_TSTAMP)) || !(rd32(E1000_TSYNCTXCTL) & E1000_TSYNCTXCTL_VALID)) return; -- 2.39.5