Differential D30515 Diff 90413 sys/dev/mlx4/mlx4_en/mlx4_en_tx.c

Changeset View

Standalone View

sys/dev/mlx4/mlx4_en/mlx4_en_tx.c

Show First 20 Lines • Show All 302 Lines • ▼ Show 20 Lines	bus_dmamap_sync(ring->dma_tag, tx_info->dma_map,
BUS_DMASYNC_POSTWRITE);		BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ring->dma_tag, tx_info->dma_map);		bus_dmamap_unload(ring->dma_tag, tx_info->dma_map);

m_freem(mb);		m_freem(mb);
done:		done:
return (tx_info->nr_txbb);		return (tx_info->nr_txbb);
}		}

int mlx4_en_free_tx_buf(struct net_device dev, struct mlx4_en_tx_ring ring)		int mlx4_en_free_tx_buf(struct ifnet dev, struct mlx4_en_tx_ring ring)
{		{
struct mlx4_en_priv *priv = netdev_priv(dev);		struct mlx4_en_priv *priv = netdev_priv(dev);
int cnt = 0;		int cnt = 0;

/* Skip last polled descriptor */		/* Skip last polled descriptor */
ring->cons += ring->last_nr_txbb;		ring->cons += ring->last_nr_txbb;
en_dbg(DRV, priv, "Freeing Tx buf - cons:0x%x prod:0x%x\n",		en_dbg(DRV, priv, "Freeing Tx buf - cons:0x%x prod:0x%x\n",
ring->cons, ring->prod);		ring->cons, ring->prod);
Show All 19 Lines
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,		static int mlx4_en_process_tx_cq(struct ifnet *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;
▲ Show 20 Lines • Show All 243 Lines • ▼ Show 20 Lines	static void hashrandom_init(void *arg)
/*		/*
* It is assumed that the random subsystem has been		* It is assumed that the random subsystem has been
* initialized when this function is called:		* initialized when this function is called:
*/		*/
hashrandom = m_ether_tcpip_hash_init();		hashrandom = m_ether_tcpip_hash_init();
}		}
SYSINIT(hashrandom_init, SI_SUB_RANDOM, SI_ORDER_ANY, &hashrandom_init, NULL);		SYSINIT(hashrandom_init, SI_SUB_RANDOM, SI_ORDER_ANY, &hashrandom_init, NULL);

u16 mlx4_en_select_queue(struct net_device dev, struct mbuf mb)		u16 mlx4_en_select_queue(struct ifnet dev, struct mbuf mb)
{		{
struct mlx4_en_priv *priv = netdev_priv(dev);		struct mlx4_en_priv *priv = netdev_priv(dev);
u32 rings_p_up = priv->num_tx_rings_p_up;		u32 rings_p_up = priv->num_tx_rings_p_up;
u32 up = 0;		u32 up = 0;
u32 queue_index;		u32 queue_index;

#if (MLX4_EN_NUM_UP > 1)		#if (MLX4_EN_NUM_UP > 1)
/* Obtain VLAN information if present */		/* Obtain VLAN information if present */
▲ Show 20 Lines • Show All 388 Lines • Show Last 20 Lines