#include "qed_reg_addr.h"
#include "qed_sp.h"
-enum qed_rss_caps {
- QED_RSS_IPV4 = 0x1,
- QED_RSS_IPV6 = 0x2,
- QED_RSS_IPV4_TCP = 0x4,
- QED_RSS_IPV6_TCP = 0x8,
- QED_RSS_IPV4_UDP = 0x10,
- QED_RSS_IPV6_UDP = 0x20,
-};
-
-/* Should be the same as ETH_RSS_IND_TABLE_ENTRIES_NUM */
-#define QED_RSS_IND_TABLE_SIZE 128
-#define QED_RSS_KEY_SIZE 10 /* size in 32b chunks */
-
struct qed_rss_params {
u8 update_rss_config;
u8 rss_enable;
sp_rss_params.update_rss_capabilities = 1;
sp_rss_params.update_rss_ind_table = 1;
sp_rss_params.update_rss_key = 1;
- sp_rss_params.rss_caps = QED_RSS_IPV4 |
- QED_RSS_IPV6 |
- QED_RSS_IPV4_TCP | QED_RSS_IPV6_TCP;
+ sp_rss_params.rss_caps = params->rss_params.rss_caps;
sp_rss_params.rss_table_size_log = 7; /* 2^7 = 128 */
memcpy(sp_rss_params.rss_ind_table,
params->rss_params.rss_ind_table,
.get_vport_stats = &qed_get_vport_stats,
};
-const struct qed_eth_ops *qed_get_eth_ops(u32 version)
+const struct qed_eth_ops *qed_get_eth_ops(void)
{
- if (version != QED_ETH_INTERFACE_VERSION) {
- pr_notice("Cannot supply ethtool operations [%08x != %08x]\n",
- version, QED_ETH_INTERFACE_VERSION);
- return NULL;
- }
-
return &qed_eth_ops_pass;
}
EXPORT_SYMBOL(qed_get_eth_ops);
return 0;
}
+static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
+{
+ info->data = RXH_IP_SRC | RXH_IP_DST;
+
+ switch (info->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case UDP_V4_FLOW:
+ if (edev->rss_params.rss_caps & QED_RSS_IPV4_UDP)
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case UDP_V6_FLOW:
+ if (edev->rss_params.rss_caps & QED_RSS_IPV6_UDP)
+ info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+ break;
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ break;
+ default:
+ info->data = 0;
+ break;
+ }
+
+ return 0;
+}
+
+static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
+ u32 *rules __always_unused)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+
+ switch (info->cmd) {
+ case ETHTOOL_GRXRINGS:
+ info->data = edev->num_rss;
+ return 0;
+ case ETHTOOL_GRXFH:
+ return qede_get_rss_flags(edev, info);
+ default:
+ DP_ERR(edev, "Command parameters not supported\n");
+ return -EOPNOTSUPP;
+ }
+}
+
+static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
+{
+ struct qed_update_vport_params vport_update_params;
+ u8 set_caps = 0, clr_caps = 0;
+
+ DP_VERBOSE(edev, QED_MSG_DEBUG,
+ "Set rss flags command parameters: flow type = %d, data = %llu\n",
+ info->flow_type, info->data);
+
+ switch (info->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ /* For TCP only 4-tuple hash is supported */
+ if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ DP_INFO(edev, "Command parameters not supported\n");
+ return -EINVAL;
+ }
+ return 0;
+ case UDP_V4_FLOW:
+ /* For UDP either 2-tuple hash or 4-tuple hash is supported */
+ if (info->data == (RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ set_caps = QED_RSS_IPV4_UDP;
+ DP_VERBOSE(edev, QED_MSG_DEBUG,
+ "UDP 4-tuple enabled\n");
+ } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
+ clr_caps = QED_RSS_IPV4_UDP;
+ DP_VERBOSE(edev, QED_MSG_DEBUG,
+ "UDP 4-tuple disabled\n");
+ } else {
+ return -EINVAL;
+ }
+ break;
+ case UDP_V6_FLOW:
+ /* For UDP either 2-tuple hash or 4-tuple hash is supported */
+ if (info->data == (RXH_IP_SRC | RXH_IP_DST |
+ RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+ set_caps = QED_RSS_IPV6_UDP;
+ DP_VERBOSE(edev, QED_MSG_DEBUG,
+ "UDP 4-tuple enabled\n");
+ } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
+ clr_caps = QED_RSS_IPV6_UDP;
+ DP_VERBOSE(edev, QED_MSG_DEBUG,
+ "UDP 4-tuple disabled\n");
+ } else {
+ return -EINVAL;
+ }
+ break;
+ case IPV4_FLOW:
+ case IPV6_FLOW:
+ /* For IP only 2-tuple hash is supported */
+ if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
+ DP_INFO(edev, "Command parameters not supported\n");
+ return -EINVAL;
+ }
+ return 0;
+ case SCTP_V4_FLOW:
+ case AH_ESP_V4_FLOW:
+ case AH_V4_FLOW:
+ case ESP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ case AH_ESP_V6_FLOW:
+ case AH_V6_FLOW:
+ case ESP_V6_FLOW:
+ case IP_USER_FLOW:
+ case ETHER_FLOW:
+ /* RSS is not supported for these protocols */
+ if (info->data) {
+ DP_INFO(edev, "Command parameters not supported\n");
+ return -EINVAL;
+ }
+ return 0;
+ default:
+ return -EINVAL;
+ }
+
+ /* No action is needed if there is no change in the rss capability */
+ if (edev->rss_params.rss_caps == ((edev->rss_params.rss_caps &
+ ~clr_caps) | set_caps))
+ return 0;
+
+ /* Update internal configuration */
+ edev->rss_params.rss_caps = (edev->rss_params.rss_caps & ~clr_caps) |
+ set_caps;
+ edev->rss_params_inited |= QEDE_RSS_CAPS_INITED;
+
+ /* Re-configure if possible */
+ if (netif_running(edev->ndev)) {
+ memset(&vport_update_params, 0, sizeof(vport_update_params));
+ vport_update_params.update_rss_flg = 1;
+ vport_update_params.vport_id = 0;
+ memcpy(&vport_update_params.rss_params, &edev->rss_params,
+ sizeof(vport_update_params.rss_params));
+ return edev->ops->vport_update(edev->cdev,
+ &vport_update_params);
+ }
+
+ return 0;
+}
+
+static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+
+ switch (info->cmd) {
+ case ETHTOOL_SRXFH:
+ return qede_set_rss_flags(edev, info);
+ default:
+ DP_INFO(edev, "Command parameters not supported\n");
+ return -EOPNOTSUPP;
+ }
+}
+
+static u32 qede_get_rxfh_indir_size(struct net_device *dev)
+{
+ return QED_RSS_IND_TABLE_SIZE;
+}
+
+static u32 qede_get_rxfh_key_size(struct net_device *dev)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+
+ return sizeof(edev->rss_params.rss_key);
+}
+
+static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc)
+{
+ struct qede_dev *edev = netdev_priv(dev);
+ int i;
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+
+ if (!indir)
+ return 0;
+
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
+ indir[i] = edev->rss_params.rss_ind_table[i];
+
+ if (key)
+ memcpy(key, edev->rss_params.rss_key,
+ qede_get_rxfh_key_size(dev));
+
+ return 0;
+}
+
+static int qede_set_rxfh(struct net_device *dev, const u32 *indir,
+ const u8 *key, const u8 hfunc)
+{
+ struct qed_update_vport_params vport_update_params;
+ struct qede_dev *edev = netdev_priv(dev);
+ int i;
+
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ if (!indir && !key)
+ return 0;
+
+ if (indir) {
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
+ edev->rss_params.rss_ind_table[i] = indir[i];
+ edev->rss_params_inited |= QEDE_RSS_INDIR_INITED;
+ }
+
+ if (key) {
+ memcpy(&edev->rss_params.rss_key, key,
+ qede_get_rxfh_key_size(dev));
+ edev->rss_params_inited |= QEDE_RSS_KEY_INITED;
+ }
+
+ if (netif_running(edev->ndev)) {
+ memset(&vport_update_params, 0, sizeof(vport_update_params));
+ vport_update_params.update_rss_flg = 1;
+ vport_update_params.vport_id = 0;
+ memcpy(&vport_update_params.rss_params, &edev->rss_params,
+ sizeof(vport_update_params.rss_params));
+ return edev->ops->vport_update(edev->cdev,
+ &vport_update_params);
+ }
+
+ return 0;
+}
+
static const struct ethtool_ops qede_ethtool_ops = {
.get_settings = qede_get_settings,
.set_settings = qede_set_settings,
.set_phys_id = qede_set_phys_id,
.get_ethtool_stats = qede_get_ethtool_stats,
.get_sset_count = qede_get_sset_count,
-
+ .get_rxnfc = qede_get_rxnfc,
+ .set_rxnfc = qede_set_rxnfc,
+ .get_rxfh_indir_size = qede_get_rxfh_indir_size,
+ .get_rxfh_key_size = qede_get_rxfh_key_size,
+ .get_rxfh = qede_get_rxfh,
+ .set_rxfh = qede_set_rxfh,
.get_channels = qede_get_channels,
.set_channels = qede_set_channels,
};
int __init qede_init(void)
{
int ret;
- u32 qed_ver;
pr_notice("qede_init: %s\n", version);
- qed_ver = qed_get_protocol_version(QED_PROTOCOL_ETH);
- if (qed_ver != QEDE_ETH_INTERFACE_VERSION) {
- pr_notice("Version mismatch [%08x != %08x]\n",
- qed_ver,
- QEDE_ETH_INTERFACE_VERSION);
- return -EINVAL;
- }
-
- qed_ops = qed_get_eth_ops(QEDE_ETH_INTERFACE_VERSION);
+ qed_ops = qed_get_eth_ops();
if (!qed_ops) {
pr_notice("Failed to get qed ethtool operations\n");
return -EINVAL;
int rc, tc, i;
int vlan_removal_en = 1;
struct qed_dev *cdev = edev->cdev;
- struct qed_update_vport_rss_params *rss_params = &edev->rss_params;
struct qed_update_vport_params vport_update_params;
struct qed_queue_start_common_params q_params;
struct qed_start_vport_params start = {0};
+ bool reset_rss_indir = false;
if (!edev->num_rss) {
DP_ERR(edev,
/* Fill struct with RSS params */
if (QEDE_RSS_CNT(edev) > 1) {
vport_update_params.update_rss_flg = 1;
- for (i = 0; i < 128; i++)
- rss_params->rss_ind_table[i] =
- ethtool_rxfh_indir_default(i, QEDE_RSS_CNT(edev));
- netdev_rss_key_fill(rss_params->rss_key,
- sizeof(rss_params->rss_key));
+
+ /* Need to validate current RSS config uses valid entries */
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) {
+ if (edev->rss_params.rss_ind_table[i] >=
+ edev->num_rss) {
+ reset_rss_indir = true;
+ break;
+ }
+ }
+
+ if (!(edev->rss_params_inited & QEDE_RSS_INDIR_INITED) ||
+ reset_rss_indir) {
+ u16 val;
+
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) {
+ u16 indir_val;
+
+ val = QEDE_RSS_CNT(edev);
+ indir_val = ethtool_rxfh_indir_default(i, val);
+ edev->rss_params.rss_ind_table[i] = indir_val;
+ }
+ edev->rss_params_inited |= QEDE_RSS_INDIR_INITED;
+ }
+
+ if (!(edev->rss_params_inited & QEDE_RSS_KEY_INITED)) {
+ netdev_rss_key_fill(edev->rss_params.rss_key,
+ sizeof(edev->rss_params.rss_key));
+ edev->rss_params_inited |= QEDE_RSS_KEY_INITED;
+ }
+
+ if (!(edev->rss_params_inited & QEDE_RSS_CAPS_INITED)) {
+ edev->rss_params.rss_caps = QED_RSS_IPV4 |
+ QED_RSS_IPV6 |
+ QED_RSS_IPV4_TCP |
+ QED_RSS_IPV6_TCP;
+ edev->rss_params_inited |= QEDE_RSS_CAPS_INITED;
+ }
+
+ memcpy(&vport_update_params.rss_params, &edev->rss_params,
+ sizeof(vport_update_params.rss_params));
} else {
- memset(rss_params, 0, sizeof(*rss_params));
+ memset(&vport_update_params.rss_params, 0,
+ sizeof(vport_update_params.rss_params));
}
- memcpy(&vport_update_params.rss_params, rss_params,
- sizeof(*rss_params));
rc = edev->ops->vport_update(cdev, &vport_update_params);
if (rc) {
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