From 866cff06903ed63b7410c75ce8d4e0c86127a563 Mon Sep 17 00:00:00 2001 From: Alexander Duyck Date: Fri, 26 Aug 2011 07:45:36 +0000 Subject: [PATCH] igb: Consolidate all of the ring feature flags into a single value This change moves all of the ring flags into a single value. The advantage to this is that there is one central area for all of these flags and they can all make use of the set/test bit operations. Signed-off-by: Alexander Duyck Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/igb/igb.h | 10 ++++++---- drivers/net/ethernet/intel/igb/igb_main.c | 23 +++++++++++++---------- 2 files changed, 19 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 9e4bed37d9be..0df040ad1d54 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -237,10 +237,12 @@ struct igb_ring { int numa_node; /* node to alloc ring memory on */ }; -#define IGB_RING_FLAG_RX_CSUM 0x00000001 /* RX CSUM enabled */ -#define IGB_RING_FLAG_RX_SCTP_CSUM 0x00000002 /* SCTP CSUM offload enabled */ - -#define IGB_RING_FLAG_TX_CTX_IDX 0x00000001 /* HW requires context index */ +enum e1000_ring_flags_t { + IGB_RING_FLAG_RX_CSUM, + IGB_RING_FLAG_RX_SCTP_CSUM, + IGB_RING_FLAG_TX_CTX_IDX, + IGB_RING_FLAG_TX_DETECT_HANG +}; #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 3a5c75dda526..f339de97c5b6 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -708,7 +708,7 @@ static int igb_alloc_queues(struct igb_adapter *adapter) ring->numa_node = adapter->node; /* For 82575, context index must be unique per ring. */ if (adapter->hw.mac.type == e1000_82575) - ring->flags = IGB_RING_FLAG_TX_CTX_IDX; + set_bit(IGB_RING_FLAG_TX_CTX_IDX, &ring->flags); adapter->tx_ring[i] = ring; } /* Restore the adapter's original node */ @@ -732,10 +732,11 @@ static int igb_alloc_queues(struct igb_adapter *adapter) ring->dev = &adapter->pdev->dev; ring->netdev = adapter->netdev; ring->numa_node = adapter->node; - ring->flags = IGB_RING_FLAG_RX_CSUM; /* enable rx checksum */ + /* enable rx checksum */ + set_bit(IGB_RING_FLAG_RX_CSUM, &ring->flags); /* set flag indicating ring supports SCTP checksum offload */ if (adapter->hw.mac.type >= e1000_82576) - ring->flags |= IGB_RING_FLAG_RX_SCTP_CSUM; + set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags); adapter->rx_ring[i] = ring; } /* Restore the adapter's original node */ @@ -1822,9 +1823,11 @@ static int igb_set_features(struct net_device *netdev, u32 features) for (i = 0; i < adapter->num_rx_queues; i++) { if (features & NETIF_F_RXCSUM) - adapter->rx_ring[i]->flags |= IGB_RING_FLAG_RX_CSUM; + set_bit(IGB_RING_FLAG_RX_CSUM, + &adapter->rx_ring[i]->flags); else - adapter->rx_ring[i]->flags &= ~IGB_RING_FLAG_RX_CSUM; + clear_bit(IGB_RING_FLAG_RX_CSUM, + &adapter->rx_ring[i]->flags); } if (changed & NETIF_F_HW_VLAN_RX) @@ -4035,7 +4038,7 @@ void igb_tx_ctxtdesc(struct igb_ring *tx_ring, u32 vlan_macip_lens, type_tucmd |= E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT; /* For 82575, context index must be unique per ring. */ - if (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX) + if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags)) mss_l4len_idx |= tx_ring->reg_idx << 4; context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens); @@ -4202,7 +4205,7 @@ static void igb_tx_olinfo_status(struct igb_ring *tx_ring, /* 82575 requires a unique index per ring if any offload is enabled */ if ((tx_flags & (IGB_TX_FLAGS_CSUM | IGB_TX_FLAGS_VLAN)) && - (tx_ring->flags & IGB_RING_FLAG_TX_CTX_IDX)) + test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags)) olinfo_status |= tx_ring->reg_idx << 4; /* insert L4 checksum */ @@ -5828,7 +5831,7 @@ static inline void igb_rx_checksum(struct igb_ring *ring, skb_checksum_none_assert(skb); /* Ignore Checksum bit is set or checksum is disabled through ethtool */ - if (!(ring->flags & IGB_RING_FLAG_RX_CSUM) || + if (!test_bit(IGB_RING_FLAG_RX_CSUM, &ring->flags) || (status_err & E1000_RXD_STAT_IXSM)) return; @@ -5840,8 +5843,8 @@ static inline void igb_rx_checksum(struct igb_ring *ring, * L4E bit is set incorrectly on 64 byte (60 byte w/o crc) * packets, (aka let the stack check the crc32c) */ - if ((skb->len == 60) && - (ring->flags & IGB_RING_FLAG_RX_SCTP_CSUM)) { + if (!((skb->len == 60) && + test_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags))) { u64_stats_update_begin(&ring->rx_syncp); ring->rx_stats.csum_err++; u64_stats_update_end(&ring->rx_syncp); -- 2.30.2