static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
{
struct fm10k_intfc *interface = netdev_priv(netdev);
struct fm10k_hw *hw = &interface->hw;
int i;
u16 rss_i;
if (!indir)
return 0;
/* Verify user input. */
rss_i = interface->ring_feature[RING_F_RSS].indices;
for (i = fm10k_get_reta_size(netdev); i--;) {
if (indir[i] < rss_i)
continue;
return -EINVAL;
}
/* record entries to reta table */
for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
u32 reta = indir[0] |
(indir[1] << 8) |
(indir[2] << 16) |
(indir[3] << 24);
if (interface->reta[i] == reta)
continue;
interface->reta[i] = reta;
fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
}
return 0;
}
void fm10k_write_reta(struct fm10k_intfc *interface, const u32 *indir)
{
u16 rss_i = interface->ring_feature[RING_F_RSS].indices;
struct fm10k_hw *hw = &interface->hw;
u32 table[4];
int i, j;
/* record entries to reta table */
for (i = 0; i < FM10K_RETA_SIZE; i++) {
u32 reta, n;
/* generate a new table if we weren't given one */
for (j = 0; j < 4; j++) {
if (indir)
n = indir[i + j];
else
n = ethtool_rxfh_indir_default(i + j, rss_i);
table[j] = n;
}
reta = table[0] |
(table[1] << 8) |
(table[2] << 16) |
(table[3] << 24);
if (interface->reta[i] == reta)
continue;
interface->reta[i] = reta;
fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
}
}
static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
{
int idx = 0, j;
buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
for (j = 0; j < 10; j++)
buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
for (j = 0; j < 32; j++)
buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
BUG_ON(idx != FM10K_REGS_LEN_VSI);
}