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Differential D12176 Diff 33627 head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c

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head/sys/dev/mlx4/mlx4_en/mlx4_en_rx.c

Show First 20 Lines • Show All 808 Lines • ▼ Show 20 Linesvoid mlx4_en_destroy_drop_qp(struct mlx4_en_priv *priv)
u32 qpn; u32 qpn;
qpn = priv->drop_qp.qpn; qpn = priv->drop_qp.qpn;
mlx4_qp_remove(priv->mdev->dev, &priv->drop_qp); mlx4_qp_remove(priv->mdev->dev, &priv->drop_qp);
mlx4_qp_free(priv->mdev->dev, &priv->drop_qp); mlx4_qp_free(priv->mdev->dev, &priv->drop_qp);
mlx4_qp_release_range(priv->mdev->dev, qpn, 1); mlx4_qp_release_range(priv->mdev->dev, qpn, 1);
} }
const u32 *
mlx4_en_get_rss_key(struct mlx4_en_priv *priv __unused,
u16 *keylen)
{
static const u32 rsskey[10] = {
cpu_to_be32(0xD181C62C),
cpu_to_be32(0xF7F4DB5B),
cpu_to_be32(0x1983A2FC),
cpu_to_be32(0x943E1ADB),
cpu_to_be32(0xD9389E6B),
cpu_to_be32(0xD1039C2C),
cpu_to_be32(0xA74499AD),
cpu_to_be32(0x593D56D9),
cpu_to_be32(0xF3253C06),
cpu_to_be32(0x2ADC1FFC)
};
if (keylen != NULL)
*keylen = sizeof(rsskey);
return (rsskey);
}
u8 mlx4_en_get_rss_mask(struct mlx4_en_priv *priv)
{
u8 rss_mask = (MLX4_RSS_IPV4 | MLX4_RSS_TCP_IPV4 | MLX4_RSS_IPV6 |
MLX4_RSS_TCP_IPV6);
if (priv->mdev->profile.udp_rss)
rss_mask |= MLX4_RSS_UDP_IPV4 | MLX4_RSS_UDP_IPV6;
return (rss_mask);
}
/* Allocate rx qp's and configure them according to rss map */ /* Allocate rx qp's and configure them according to rss map */
int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv)
{ {
struct mlx4_en_dev *mdev = priv->mdev; struct mlx4_en_dev *mdev = priv->mdev;
struct mlx4_en_rss_map *rss_map = &priv->rss_map; struct mlx4_en_rss_map *rss_map = &priv->rss_map;
struct mlx4_qp_context context; struct mlx4_qp_context context;
struct mlx4_rss_context *rss_context; struct mlx4_rss_context *rss_context;
const u32 *key;
int rss_rings; int rss_rings;
void *ptr; void *ptr;
u8 rss_mask = (MLX4_RSS_IPV4 | MLX4_RSS_TCP_IPV4 | MLX4_RSS_IPV6 |
MLX4_RSS_TCP_IPV6);
int i; int i;
int err = 0; int err = 0;
int good_qps = 0; int good_qps = 0;
static const u32 rsskey[10] = { 0xD181C62C, 0xF7F4DB5B, 0x1983A2FC,
0x943E1ADB, 0xD9389E6B, 0xD1039C2C, 0xA74499AD,
0x593D56D9, 0xF3253C06, 0x2ADC1FFC};
en_dbg(DRV, priv, "Configuring rss steering\n"); en_dbg(DRV, priv, "Configuring rss steering\n");
err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num, err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num,
priv->rx_ring_num, priv->rx_ring_num,
&rss_map->base_qpn, 0); &rss_map->base_qpn, 0);
if (err) { if (err) {
en_err(priv, "Failed reserving %d qps\n", priv->rx_ring_num); en_err(priv, "Failed reserving %d qps\n", priv->rx_ring_num);
return err; return err;
Show All 27 Lines else
rss_rings = priv->prof->rss_rings; rss_rings = priv->prof->rss_rings;
ptr = ((u8 *)&context) + offsetof(struct mlx4_qp_context, pri_path) + ptr = ((u8 *)&context) + offsetof(struct mlx4_qp_context, pri_path) +
MLX4_RSS_OFFSET_IN_QPC_PRI_PATH; MLX4_RSS_OFFSET_IN_QPC_PRI_PATH;
rss_context = ptr; rss_context = ptr;
rss_context->base_qpn = cpu_to_be32(ilog2(rss_rings) << 24 | rss_context->base_qpn = cpu_to_be32(ilog2(rss_rings) << 24 |
(rss_map->base_qpn)); (rss_map->base_qpn));
rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn); rss_context->default_qpn = cpu_to_be32(rss_map->base_qpn);
if (priv->mdev->profile.udp_rss) { if (priv->mdev->profile.udp_rss)
rss_mask |= MLX4_RSS_UDP_IPV4 | MLX4_RSS_UDP_IPV6;
rss_context->base_qpn_udp = rss_context->default_qpn; rss_context->base_qpn_udp = rss_context->default_qpn;
} rss_context->flags = mlx4_en_get_rss_mask(priv);
rss_context->flags = rss_mask;
rss_context->hash_fn = MLX4_RSS_HASH_TOP; rss_context->hash_fn = MLX4_RSS_HASH_TOP;
key = mlx4_en_get_rss_key(priv, NULL);
for (i = 0; i < 10; i++) for (i = 0; i < 10; i++)
rss_context->rss_key[i] = cpu_to_be32(rsskey[i]); rss_context->rss_key[i] = key[i];
err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context, err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context,
&rss_map->indir_qp, &rss_map->indir_state); &rss_map->indir_qp, &rss_map->indir_state);
if (err) if (err)
goto indir_err; goto indir_err;
return 0; return 0;
Show All 36 Lines