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Differential D15259 Diff 42046 sys/dev/mlx4/mlx4_en/mlx4_en_tx.c

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sys/dev/mlx4/mlx4_en/mlx4_en_tx.c

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static bool static bool
mlx4_en_tx_ring_is_full(struct mlx4_en_tx_ring *ring) mlx4_en_tx_ring_is_full(struct mlx4_en_tx_ring *ring)
{ {
int wqs; int wqs;
wqs = ring->size - (ring->prod - ring->cons); wqs = ring->size - (ring->prod - ring->cons);
return (wqs < (HEADROOM + (2 * MLX4_EN_TX_WQE_MAX_WQEBBS))); return (wqs < (HEADROOM + (2 * MLX4_EN_TX_WQE_MAX_WQEBBS)));
} }
static int mlx4_en_process_tx_cq(struct net_device *dev, int mlx4_en_process_tx_cq(struct net_device *dev, struct mlx4_en_cq *cq)
struct mlx4_en_cq *cq)
{ {
struct mlx4_en_priv *priv = netdev_priv(dev); struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_cq *mcq = &cq->mcq; struct mlx4_cq *mcq = &cq->mcq;
struct mlx4_en_tx_ring *ring = priv->tx_ring[cq->ring]; struct mlx4_en_tx_ring *ring = priv->tx_ring[cq->ring];
struct mlx4_cqe *cqe; struct mlx4_cqe *cqe;
u16 index; u16 index;
u16 new_index, ring_index, stamp_index; u16 new_index, ring_index, stamp_index;
u32 txbbs_skipped = 0; u32 txbbs_skipped = 0;
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return ((queue_index % rings_p_up) + (up * rings_p_up)); return ((queue_index % rings_p_up) + (up * rings_p_up));
} }
static void mlx4_bf_copy(void __iomem *dst, volatile unsigned long *src, unsigned bytecnt) static void mlx4_bf_copy(void __iomem *dst, volatile unsigned long *src, unsigned bytecnt)
{ {
__iowrite64_copy(dst, __DEVOLATILE(void *, src), bytecnt / 8); __iowrite64_copy(dst, __DEVOLATILE(void *, src), bytecnt / 8);
} }
static int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp) int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp)
{ {
enum { enum {
DS_FACT = TXBB_SIZE / DS_SIZE_ALIGNMENT, DS_FACT = TXBB_SIZE / DS_SIZE_ALIGNMENT,
CTRL_FLAGS = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE | CTRL_FLAGS = cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE |
MLX4_WQE_CTRL_SOLICITED), MLX4_WQE_CTRL_SOLICITED),
}; };
bus_dma_segment_t segs[MLX4_EN_TX_MAX_MBUF_FRAGS]; bus_dma_segment_t segs[MLX4_EN_TX_MAX_MBUF_FRAGS];
volatile struct mlx4_wqe_data_seg *dseg; volatile struct mlx4_wqe_data_seg *dseg;
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