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Differential D13858 Diff 37788 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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mlx4_en_store_inline_header(volatile struct mlx4_wqe_data_seg *dseg, mlx4_en_store_inline_header(volatile struct mlx4_wqe_data_seg *dseg,
int len, __be32 owner_bit) int len, __be32 owner_bit)
{ {
uint8_t *inl = __DEVOLATILE(uint8_t *, dseg); uint8_t *inl = __DEVOLATILE(uint8_t *, dseg);
const int spc = MLX4_INLINE_ALIGN - CTRL_SIZE - 4; const int spc = MLX4_INLINE_ALIGN - CTRL_SIZE - 4;
if (unlikely(len < MIN_PKT_LEN)) { if (unlikely(len < MIN_PKT_LEN)) {
*(volatile uint32_t *)inl = *(volatile uint32_t *)inl =
SET_BYTE_COUNT((1 << 31) | MIN_PKT_LEN); SET_BYTE_COUNT((1U << 31) | MIN_PKT_LEN);
} else if (len <= spc) { } else if (len <= spc) {
*(volatile uint32_t *)inl = *(volatile uint32_t *)inl =
SET_BYTE_COUNT((1 << 31) | len); SET_BYTE_COUNT((1U << 31) | len);
} else { } else {
*(volatile uint32_t *)(inl + 4 + spc) = *(volatile uint32_t *)(inl + 4 + spc) =
SET_BYTE_COUNT((1 << 31) | (len - spc)); SET_BYTE_COUNT((1U << 31) | (len - spc));
wmb(); wmb();
*(volatile uint32_t *)inl = *(volatile uint32_t *)inl =
SET_BYTE_COUNT((1 << 31) | spc); SET_BYTE_COUNT((1U << 31) | spc);
} }
} }
static uint32_t hashrandom; static uint32_t hashrandom;
static void hashrandom_init(void *arg) static void hashrandom_init(void *arg)
{ {
/* /*
* It is assumed that the random subsystem has been * It is assumed that the random subsystem has been
▲ Show 20 Lines • Show All 259 Lines • ▼ Show 20 Linesstatic int mlx4_en_xmit(struct mlx4_en_priv *priv, int tx_ind, struct mbuf **mbp)
dseg += nr_segs + pad; dseg += nr_segs + pad;
/* pad using zero immediate dseg */ /* pad using zero immediate dseg */
while (pad--) { while (pad--) {
dseg--; dseg--;
dseg->addr = 0; dseg->addr = 0;
dseg->lkey = 0; dseg->lkey = 0;
wmb(); wmb();
dseg->byte_count = SET_BYTE_COUNT((1 << 31)|0); dseg->byte_count = SET_BYTE_COUNT((1U << 31)|0);
} }
/* fill segment list */ /* fill segment list */
while (nr_segs--) { while (nr_segs--) {
if (unlikely(segs[nr_segs].ds_len == 0)) { if (unlikely(segs[nr_segs].ds_len == 0)) {
dseg--; dseg--;
dseg->addr = 0; dseg->addr = 0;
dseg->lkey = 0; dseg->lkey = 0;
wmb(); wmb();
dseg->byte_count = SET_BYTE_COUNT((1 << 31)|0); dseg->byte_count = SET_BYTE_COUNT((1U << 31)|0);
} else { } else {
dseg--; dseg--;
dseg->addr = cpu_to_be64((uint64_t)segs[nr_segs].ds_addr); dseg->addr = cpu_to_be64((uint64_t)segs[nr_segs].ds_addr);
dseg->lkey = cpu_to_be32(priv->mdev->mr.key); dseg->lkey = cpu_to_be32(priv->mdev->mr.key);
wmb(); wmb();
dseg->byte_count = SET_BYTE_COUNT((uint32_t)segs[nr_segs].ds_len); dseg->byte_count = SET_BYTE_COUNT((uint32_t)segs[nr_segs].ds_len);
} }
} }
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