summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/sfc/ethtool.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/sfc/ethtool.c')
-rw-r--r--drivers/net/ethernet/sfc/ethtool.c218
1 files changed, 193 insertions, 25 deletions
diff --git a/drivers/net/ethernet/sfc/ethtool.c b/drivers/net/ethernet/sfc/ethtool.c
index 4db2dc2bf52f..3143588ffd77 100644
--- a/drivers/net/ethernet/sfc/ethtool.c
+++ b/drivers/net/ethernet/sfc/ethtool.c
@@ -808,7 +808,8 @@ static inline void ip6_fill_mask(__be32 *mask)
}
static int efx_ethtool_get_class_rule(struct efx_nic *efx,
- struct ethtool_rx_flow_spec *rule)
+ struct ethtool_rx_flow_spec *rule,
+ u32 *rss_context)
{
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
@@ -964,6 +965,11 @@ static int efx_ethtool_get_class_rule(struct efx_nic *efx,
rule->m_ext.vlan_tci = htons(0xfff);
}
+ if (spec.flags & EFX_FILTER_FLAG_RX_RSS) {
+ rule->flow_type |= FLOW_RSS;
+ *rss_context = spec.rss_context;
+ }
+
return rc;
}
@@ -972,6 +978,8 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
struct ethtool_rxnfc *info, u32 *rule_locs)
{
struct efx_nic *efx = netdev_priv(net_dev);
+ u32 rss_context = 0;
+ s32 rc = 0;
switch (info->cmd) {
case ETHTOOL_GRXRINGS:
@@ -979,12 +987,22 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
return 0;
case ETHTOOL_GRXFH: {
+ struct efx_rss_context *ctx = &efx->rss_context;
+
+ mutex_lock(&efx->rss_lock);
+ if (info->flow_type & FLOW_RSS && info->rss_context) {
+ ctx = efx_find_rss_context_entry(efx, info->rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ }
info->data = 0;
- if (!efx->rss_active) /* No RSS */
- return 0;
- switch (info->flow_type) {
+ if (!efx_rss_active(ctx)) /* No RSS */
+ goto out_unlock;
+ switch (info->flow_type & ~FLOW_RSS) {
case UDP_V4_FLOW:
- if (efx->rx_hash_udp_4tuple)
+ if (ctx->rx_hash_udp_4tuple)
/* fall through */
case TCP_V4_FLOW:
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
@@ -995,7 +1013,7 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
info->data |= RXH_IP_SRC | RXH_IP_DST;
break;
case UDP_V6_FLOW:
- if (efx->rx_hash_udp_4tuple)
+ if (ctx->rx_hash_udp_4tuple)
/* fall through */
case TCP_V6_FLOW:
info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
@@ -1008,7 +1026,9 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
default:
break;
}
- return 0;
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
}
case ETHTOOL_GRXCLSRLCNT:
@@ -1023,10 +1043,14 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
case ETHTOOL_GRXCLSRULE:
if (efx_filter_get_rx_id_limit(efx) == 0)
return -EOPNOTSUPP;
- return efx_ethtool_get_class_rule(efx, &info->fs);
+ rc = efx_ethtool_get_class_rule(efx, &info->fs, &rss_context);
+ if (rc < 0)
+ return rc;
+ if (info->fs.flow_type & FLOW_RSS)
+ info->rss_context = rss_context;
+ return 0;
- case ETHTOOL_GRXCLSRLALL: {
- s32 rc;
+ case ETHTOOL_GRXCLSRLALL:
info->data = efx_filter_get_rx_id_limit(efx);
if (info->data == 0)
return -EOPNOTSUPP;
@@ -1036,7 +1060,6 @@ efx_ethtool_get_rxnfc(struct net_device *net_dev,
return rc;
info->rule_cnt = rc;
return 0;
- }
default:
return -EOPNOTSUPP;
@@ -1054,7 +1077,8 @@ static inline bool ip6_mask_is_empty(__be32 mask[4])
}
static int efx_ethtool_set_class_rule(struct efx_nic *efx,
- struct ethtool_rx_flow_spec *rule)
+ struct ethtool_rx_flow_spec *rule,
+ u32 rss_context)
{
struct ethtool_tcpip4_spec *ip_entry = &rule->h_u.tcp_ip4_spec;
struct ethtool_tcpip4_spec *ip_mask = &rule->m_u.tcp_ip4_spec;
@@ -1064,8 +1088,10 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
struct ethtool_tcpip6_spec *ip6_mask = &rule->m_u.tcp_ip6_spec;
struct ethtool_usrip6_spec *uip6_entry = &rule->h_u.usr_ip6_spec;
struct ethtool_usrip6_spec *uip6_mask = &rule->m_u.usr_ip6_spec;
+ u32 flow_type = rule->flow_type & ~(FLOW_EXT | FLOW_RSS);
struct ethhdr *mac_entry = &rule->h_u.ether_spec;
struct ethhdr *mac_mask = &rule->m_u.ether_spec;
+ enum efx_filter_flags flags = 0;
struct efx_filter_spec spec;
int rc;
@@ -1084,19 +1110,26 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
rule->m_ext.data[1]))
return -EINVAL;
- efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL,
- efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0,
+ if (efx->rx_scatter)
+ flags |= EFX_FILTER_FLAG_RX_SCATTER;
+ if (rule->flow_type & FLOW_RSS)
+ flags |= EFX_FILTER_FLAG_RX_RSS;
+
+ efx_filter_init_rx(&spec, EFX_FILTER_PRI_MANUAL, flags,
(rule->ring_cookie == RX_CLS_FLOW_DISC) ?
EFX_FILTER_RX_DMAQ_ID_DROP : rule->ring_cookie);
- switch (rule->flow_type & ~FLOW_EXT) {
+ if (rule->flow_type & FLOW_RSS)
+ spec.rss_context = rss_context;
+
+ switch (flow_type) {
case TCP_V4_FLOW:
case UDP_V4_FLOW:
spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
EFX_FILTER_MATCH_IP_PROTO);
spec.ether_type = htons(ETH_P_IP);
- spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V4_FLOW ?
- IPPROTO_TCP : IPPROTO_UDP);
+ spec.ip_proto = flow_type == TCP_V4_FLOW ? IPPROTO_TCP
+ : IPPROTO_UDP;
if (ip_mask->ip4dst) {
if (ip_mask->ip4dst != IP4_ADDR_FULL_MASK)
return -EINVAL;
@@ -1130,8 +1163,8 @@ static int efx_ethtool_set_class_rule(struct efx_nic *efx,
spec.match_flags = (EFX_FILTER_MATCH_ETHER_TYPE |
EFX_FILTER_MATCH_IP_PROTO);
spec.ether_type = htons(ETH_P_IPV6);
- spec.ip_proto = ((rule->flow_type & ~FLOW_EXT) == TCP_V6_FLOW ?
- IPPROTO_TCP : IPPROTO_UDP);
+ spec.ip_proto = flow_type == TCP_V6_FLOW ? IPPROTO_TCP
+ : IPPROTO_UDP;
if (!ip6_mask_is_empty(ip6_mask->ip6dst)) {
if (!ip6_mask_is_full(ip6_mask->ip6dst))
return -EINVAL;
@@ -1265,7 +1298,8 @@ static int efx_ethtool_set_rxnfc(struct net_device *net_dev,
switch (info->cmd) {
case ETHTOOL_SRXCLSRLINS:
- return efx_ethtool_set_class_rule(efx, &info->fs);
+ return efx_ethtool_set_class_rule(efx, &info->fs,
+ info->rss_context);
case ETHTOOL_SRXCLSRLDEL:
return efx_filter_remove_id_safe(efx, EFX_FILTER_PRI_MANUAL,
@@ -1280,7 +1314,9 @@ static u32 efx_ethtool_get_rxfh_indir_size(struct net_device *net_dev)
{
struct efx_nic *efx = netdev_priv(net_dev);
- return (efx->n_rx_channels == 1) ? 0 : ARRAY_SIZE(efx->rx_indir_table);
+ if (efx->n_rx_channels == 1)
+ return 0;
+ return ARRAY_SIZE(efx->rss_context.rx_indir_table);
}
static u32 efx_ethtool_get_rxfh_key_size(struct net_device *net_dev)
@@ -1303,9 +1339,11 @@ static int efx_ethtool_get_rxfh(struct net_device *net_dev, u32 *indir, u8 *key,
if (hfunc)
*hfunc = ETH_RSS_HASH_TOP;
if (indir)
- memcpy(indir, efx->rx_indir_table, sizeof(efx->rx_indir_table));
+ memcpy(indir, efx->rss_context.rx_indir_table,
+ sizeof(efx->rss_context.rx_indir_table));
if (key)
- memcpy(key, efx->rx_hash_key, efx->type->rx_hash_key_size);
+ memcpy(key, efx->rss_context.rx_hash_key,
+ efx->type->rx_hash_key_size);
return 0;
}
@@ -1321,13 +1359,109 @@ static int efx_ethtool_set_rxfh(struct net_device *net_dev, const u32 *indir,
return 0;
if (!key)
- key = efx->rx_hash_key;
+ key = efx->rss_context.rx_hash_key;
if (!indir)
- indir = efx->rx_indir_table;
+ indir = efx->rss_context.rx_indir_table;
return efx->type->rx_push_rss_config(efx, true, indir, key);
}
+static int efx_ethtool_get_rxfh_context(struct net_device *net_dev, u32 *indir,
+ u8 *key, u8 *hfunc, u32 rss_context)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ struct efx_rss_context *ctx;
+ int rc = 0;
+
+ if (!efx->type->rx_pull_rss_context_config)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&efx->rss_lock);
+ ctx = efx_find_rss_context_entry(efx, rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ rc = efx->type->rx_pull_rss_context_config(efx, ctx);
+ if (rc)
+ goto out_unlock;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+ if (indir)
+ memcpy(indir, ctx->rx_indir_table, sizeof(ctx->rx_indir_table));
+ if (key)
+ memcpy(key, ctx->rx_hash_key, efx->type->rx_hash_key_size);
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
+}
+
+static int efx_ethtool_set_rxfh_context(struct net_device *net_dev,
+ const u32 *indir, const u8 *key,
+ const u8 hfunc, u32 *rss_context,
+ bool delete)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ struct efx_rss_context *ctx;
+ bool allocated = false;
+ int rc;
+
+ if (!efx->type->rx_push_rss_context_config)
+ return -EOPNOTSUPP;
+ /* Hash function is Toeplitz, cannot be changed */
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ mutex_lock(&efx->rss_lock);
+
+ if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
+ if (delete) {
+ /* alloc + delete == Nothing to do */
+ rc = -EINVAL;
+ goto out_unlock;
+ }
+ ctx = efx_alloc_rss_context_entry(efx);
+ if (!ctx) {
+ rc = -ENOMEM;
+ goto out_unlock;
+ }
+ ctx->context_id = EFX_EF10_RSS_CONTEXT_INVALID;
+ /* Initialise indir table and key to defaults */
+ efx_set_default_rx_indir_table(efx, ctx);
+ netdev_rss_key_fill(ctx->rx_hash_key, sizeof(ctx->rx_hash_key));
+ allocated = true;
+ } else {
+ ctx = efx_find_rss_context_entry(efx, *rss_context);
+ if (!ctx) {
+ rc = -ENOENT;
+ goto out_unlock;
+ }
+ }
+
+ if (delete) {
+ /* delete this context */
+ rc = efx->type->rx_push_rss_context_config(efx, ctx, NULL, NULL);
+ if (!rc)
+ efx_free_rss_context_entry(ctx);
+ goto out_unlock;
+ }
+
+ if (!key)
+ key = ctx->rx_hash_key;
+ if (!indir)
+ indir = ctx->rx_indir_table;
+
+ rc = efx->type->rx_push_rss_context_config(efx, ctx, indir, key);
+ if (rc && allocated)
+ efx_free_rss_context_entry(ctx);
+ else
+ *rss_context = ctx->user_id;
+out_unlock:
+ mutex_unlock(&efx->rss_lock);
+ return rc;
+}
+
static int efx_ethtool_get_ts_info(struct net_device *net_dev,
struct ethtool_ts_info *ts_info)
{
@@ -1375,6 +1509,36 @@ static int efx_ethtool_get_module_info(struct net_device *net_dev,
return ret;
}
+static int efx_ethtool_get_fecparam(struct net_device *net_dev,
+ struct ethtool_fecparam *fecparam)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ int rc;
+
+ if (!efx->phy_op || !efx->phy_op->get_fecparam)
+ return -EOPNOTSUPP;
+ mutex_lock(&efx->mac_lock);
+ rc = efx->phy_op->get_fecparam(efx, fecparam);
+ mutex_unlock(&efx->mac_lock);
+
+ return rc;
+}
+
+static int efx_ethtool_set_fecparam(struct net_device *net_dev,
+ struct ethtool_fecparam *fecparam)
+{
+ struct efx_nic *efx = netdev_priv(net_dev);
+ int rc;
+
+ if (!efx->phy_op || !efx->phy_op->get_fecparam)
+ return -EOPNOTSUPP;
+ mutex_lock(&efx->mac_lock);
+ rc = efx->phy_op->set_fecparam(efx, fecparam);
+ mutex_unlock(&efx->mac_lock);
+
+ return rc;
+}
+
const struct ethtool_ops efx_ethtool_ops = {
.get_drvinfo = efx_ethtool_get_drvinfo,
.get_regs_len = efx_ethtool_get_regs_len,
@@ -1403,9 +1567,13 @@ const struct ethtool_ops efx_ethtool_ops = {
.get_rxfh_key_size = efx_ethtool_get_rxfh_key_size,
.get_rxfh = efx_ethtool_get_rxfh,
.set_rxfh = efx_ethtool_set_rxfh,
+ .get_rxfh_context = efx_ethtool_get_rxfh_context,
+ .set_rxfh_context = efx_ethtool_set_rxfh_context,
.get_ts_info = efx_ethtool_get_ts_info,
.get_module_info = efx_ethtool_get_module_info,
.get_module_eeprom = efx_ethtool_get_module_eeprom,
.get_link_ksettings = efx_ethtool_get_link_ksettings,
.set_link_ksettings = efx_ethtool_set_link_ksettings,
+ .get_fecparam = efx_ethtool_get_fecparam,
+ .set_fecparam = efx_ethtool_set_fecparam,
};