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path: root/drivers/net/ethernet/cisco/enic/enic_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/cisco/enic/enic_ethtool.c')
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_ethtool.c125
1 files changed, 109 insertions, 16 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic_ethtool.c b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
index 2e50b5489d20..523c9ceb04c0 100644
--- a/drivers/net/ethernet/cisco/enic/enic_ethtool.c
+++ b/drivers/net/ethernet/cisco/enic/enic_ethtool.c
@@ -22,6 +22,7 @@
#include "enic_res.h"
#include "enic.h"
#include "enic_dev.h"
+#include "enic_clsf.h"
struct enic_stat {
char name[ETH_GSTRING_LEN];
@@ -231,7 +232,7 @@ static int enic_set_coalesce(struct net_device *netdev,
if (ecmd->use_adaptive_rx_coalesce ||
ecmd->rx_coalesce_usecs_low ||
ecmd->rx_coalesce_usecs_high)
- return -EOPNOTSUPP;
+ return -EINVAL;
intr = enic_legacy_io_intr();
vnic_intr_coalescing_timer_set(&enic->intr[intr],
@@ -243,34 +244,29 @@ static int enic_set_coalesce(struct net_device *netdev,
if (ecmd->use_adaptive_rx_coalesce ||
ecmd->rx_coalesce_usecs_low ||
ecmd->rx_coalesce_usecs_high)
- return -EOPNOTSUPP;
+ return -EINVAL;
vnic_intr_coalescing_timer_set(&enic->intr[0],
tx_coalesce_usecs);
break;
case VNIC_DEV_INTR_MODE_MSIX:
+ if (ecmd->rx_coalesce_usecs_high &&
+ (rx_coalesce_usecs_high <
+ rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
+ return -EINVAL;
+
for (i = 0; i < enic->wq_count; i++) {
intr = enic_msix_wq_intr(enic, i);
vnic_intr_coalescing_timer_set(&enic->intr[intr],
tx_coalesce_usecs);
}
- if (rxcoal->use_adaptive_rx_coalesce) {
- if (!ecmd->use_adaptive_rx_coalesce) {
- rxcoal->use_adaptive_rx_coalesce = 0;
- enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
- }
- } else {
- if (ecmd->use_adaptive_rx_coalesce)
- rxcoal->use_adaptive_rx_coalesce = 1;
- else
- enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
- }
+ rxcoal->use_adaptive_rx_coalesce =
+ !!ecmd->use_adaptive_rx_coalesce;
+ if (!rxcoal->use_adaptive_rx_coalesce)
+ enic_intr_coal_set_rx(enic, rx_coalesce_usecs);
if (ecmd->rx_coalesce_usecs_high) {
- if (rx_coalesce_usecs_high <
- (rx_coalesce_usecs_low + ENIC_AIC_LARGE_PKT_DIFF))
- return -EINVAL;
rxcoal->range_end = rx_coalesce_usecs_high;
rxcoal->small_pkt_range_start = rx_coalesce_usecs_low;
rxcoal->large_pkt_range_start = rx_coalesce_usecs_low +
@@ -287,6 +283,102 @@ static int enic_set_coalesce(struct net_device *netdev,
return 0;
}
+static int enic_grxclsrlall(struct enic *enic, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ int j, ret = 0, cnt = 0;
+
+ cmd->data = enic->rfs_h.max - enic->rfs_h.free;
+ for (j = 0; j < (1 << ENIC_RFS_FLW_BITSHIFT); j++) {
+ struct hlist_head *hhead;
+ struct hlist_node *tmp;
+ struct enic_rfs_fltr_node *n;
+
+ hhead = &enic->rfs_h.ht_head[j];
+ hlist_for_each_entry_safe(n, tmp, hhead, node) {
+ if (cnt == cmd->rule_cnt)
+ return -EMSGSIZE;
+ rule_locs[cnt] = n->fltr_id;
+ cnt++;
+ }
+ }
+ cmd->rule_cnt = cnt;
+
+ return ret;
+}
+
+static int enic_grxclsrule(struct enic *enic, struct ethtool_rxnfc *cmd)
+{
+ struct ethtool_rx_flow_spec *fsp =
+ (struct ethtool_rx_flow_spec *)&cmd->fs;
+ struct enic_rfs_fltr_node *n;
+
+ n = htbl_fltr_search(enic, (u16)fsp->location);
+ if (!n)
+ return -EINVAL;
+ switch (n->keys.ip_proto) {
+ case IPPROTO_TCP:
+ fsp->flow_type = TCP_V4_FLOW;
+ break;
+ case IPPROTO_UDP:
+ fsp->flow_type = UDP_V4_FLOW;
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ fsp->h_u.tcp_ip4_spec.ip4src = n->keys.src;
+ fsp->m_u.tcp_ip4_spec.ip4src = (__u32)~0;
+
+ fsp->h_u.tcp_ip4_spec.ip4dst = n->keys.dst;
+ fsp->m_u.tcp_ip4_spec.ip4dst = (__u32)~0;
+
+ fsp->h_u.tcp_ip4_spec.psrc = n->keys.port16[0];
+ fsp->m_u.tcp_ip4_spec.psrc = (__u16)~0;
+
+ fsp->h_u.tcp_ip4_spec.pdst = n->keys.port16[1];
+ fsp->m_u.tcp_ip4_spec.pdst = (__u16)~0;
+
+ fsp->ring_cookie = n->rq_id;
+
+ return 0;
+}
+
+static int enic_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+ u32 *rule_locs)
+{
+ struct enic *enic = netdev_priv(dev);
+ int ret = 0;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = enic->rq_count;
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ spin_lock_bh(&enic->rfs_h.lock);
+ cmd->rule_cnt = enic->rfs_h.max - enic->rfs_h.free;
+ cmd->data = enic->rfs_h.max;
+ spin_unlock_bh(&enic->rfs_h.lock);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ spin_lock_bh(&enic->rfs_h.lock);
+ ret = enic_grxclsrlall(enic, cmd, rule_locs);
+ spin_unlock_bh(&enic->rfs_h.lock);
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ spin_lock_bh(&enic->rfs_h.lock);
+ ret = enic_grxclsrule(enic, cmd);
+ spin_unlock_bh(&enic->rfs_h.lock);
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
static const struct ethtool_ops enic_ethtool_ops = {
.get_settings = enic_get_settings,
.get_drvinfo = enic_get_drvinfo,
@@ -298,6 +390,7 @@ static const struct ethtool_ops enic_ethtool_ops = {
.get_ethtool_stats = enic_get_ethtool_stats,
.get_coalesce = enic_get_coalesce,
.set_coalesce = enic_set_coalesce,
+ .get_rxnfc = enic_get_rxnfc,
};
void enic_set_ethtool_ops(struct net_device *netdev)