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Merge branch 'net-aquantia-add-RSS-configuration'

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Igor Russkikh says:

====================
net: aquantia: add RSS configuration

In this patchset few bugs related to RSS are fixed and RSS table and
hash key configuration is added.

We also do increase max number of HW rings upto 8.

v2: removed extra arg check
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2018-12-07 12:49:10 -08:00
commit 6b241e4116
4 changed files with 43 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/aquantia/atlantic/aq_cfg.h
View File

@ -12,7 +12,7 @@
#ifndef AQ_CFG_H
#define AQ_CFG_H
#define AQ_CFG_VECS_DEF 4U
#define AQ_CFG_VECS_DEF 8U
#define AQ_CFG_TCS_DEF 1U
#define AQ_CFG_TXDS_DEF 4096U
@ -42,8 +42,8 @@
#define AQ_CFG_IS_LRO_DEF 1U
/* RSS */
#define AQ_CFG_RSS_INDIRECTION_TABLE_MAX 128U
#define AQ_CFG_RSS_HASHKEY_SIZE 320U
#define AQ_CFG_RSS_INDIRECTION_TABLE_MAX 64U
#define AQ_CFG_RSS_HASHKEY_SIZE 40U
#define AQ_CFG_IS_RSS_DEF 1U
#define AQ_CFG_NUM_RSS_QUEUES_DEF AQ_CFG_VECS_DEF

36
drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
View File

@ -202,6 +202,41 @@ static int aq_ethtool_get_rss(struct net_device *ndev, u32 *indir, u8 *key,
return 0;
}
static int aq_ethtool_set_rss(struct net_device *netdev, const u32 *indir,
const u8 *key, const u8 hfunc)
{
struct aq_nic_s *aq_nic = netdev_priv(netdev);
struct aq_nic_cfg_s *cfg;
unsigned int i = 0U;
u32 rss_entries;
int err = 0;
cfg = aq_nic_get_cfg(aq_nic);
rss_entries = cfg->aq_rss.indirection_table_size;
/* We do not allow change in unsupported parameters */
if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
return -EOPNOTSUPP;
/* Fill out the redirection table */
if (indir)
for (i = 0; i < rss_entries; i++)
cfg->aq_rss.indirection_table[i] = indir[i];
/* Fill out the rss hash key */
if (key) {
memcpy(cfg->aq_rss.hash_secret_key, key,
sizeof(cfg->aq_rss.hash_secret_key));
err = aq_nic->aq_hw_ops->hw_rss_hash_set(aq_nic->aq_hw,
&cfg->aq_rss);
if (err)
return err;
}
err = aq_nic->aq_hw_ops->hw_rss_set(aq_nic->aq_hw, &cfg->aq_rss);
return err;
}
static int aq_ethtool_get_rxnfc(struct net_device *ndev,
struct ethtool_rxnfc *cmd,
u32 *rule_locs)
@ -549,6 +584,7 @@ const struct ethtool_ops aq_ethtool_ops = {
.set_pauseparam = aq_ethtool_set_pauseparam,
.get_rxfh_key_size = aq_ethtool_get_rss_key_size,
.get_rxfh = aq_ethtool_get_rss,
.set_rxfh = aq_ethtool_set_rss,
.get_rxnfc = aq_ethtool_get_rxnfc,
.set_rxnfc = aq_ethtool_set_rxnfc,
.get_sset_count = aq_ethtool_get_sset_count,

6
drivers/net/ethernet/aquantia/atlantic/aq_nic.c
View File

@ -44,7 +44,7 @@ static void aq_nic_rss_init(struct aq_nic_s *self, unsigned int num_rss_queues)
struct aq_rss_parameters *rss_params = &cfg->aq_rss;
int i = 0;
static u8 rss_key[40] = {
static u8 rss_key[AQ_CFG_RSS_HASHKEY_SIZE] = {
0x1e, 0xad, 0x71, 0x87, 0x65, 0xfc, 0x26, 0x7d,
0x0d, 0x45, 0x67, 0x74, 0xcd, 0x06, 0x1a, 0x18,
0xb6, 0xc1, 0xf0, 0xc7, 0xbb, 0x18, 0xbe, 0xf8,
@ -84,8 +84,6 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->is_lro = AQ_CFG_IS_LRO_DEF;
aq_nic_rss_init(self, cfg->num_rss_queues);
/*descriptors */
cfg->rxds = min(cfg->aq_hw_caps->rxds_max, AQ_CFG_RXDS_DEF);
cfg->txds = min(cfg->aq_hw_caps->txds_max, AQ_CFG_TXDS_DEF);
@ -106,6 +104,8 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
cfg->num_rss_queues = min(cfg->vecs, AQ_CFG_NUM_RSS_QUEUES_DEF);
aq_nic_rss_init(self, cfg->num_rss_queues);
cfg->irq_type = aq_pci_func_get_irq_type(self);
if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) ||

2
drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
View File

@ -21,7 +21,7 @@
#define DEFAULT_B0_BOARD_BASIC_CAPABILITIES \
.is_64_dma = true, \
.msix_irqs = 4U, \
.msix_irqs = 8U, \
.irq_mask = ~0U, \
.vecs = HW_ATL_B0_RSS_MAX, \
.tcs = HW_ATL_B0_TC_MAX, \