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Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_l2.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_l2.c310
1 files changed, 207 insertions, 103 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index 6a3727c4c0c6..df932be5a4e5 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -1,9 +1,33 @@
/* QLogic qed NIC Driver
- * Copyright (c) 2015 QLogic Corporation
+ * Copyright (c) 2015-2017 QLogic Corporation
*
- * This software is available under the terms of the GNU General Public License
- * (GPL) Version 2, available from the file COPYING in the main directory of
- * this source tree.
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and /or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <linux/types.h>
@@ -74,6 +98,7 @@ _qed_eth_queue_to_cid(struct qed_hwfn *p_hwfn,
p_cid->cid = cid;
p_cid->vf_qid = vf_qid;
p_cid->rel = *p_params;
+ p_cid->p_owner = p_hwfn;
/* Don't try calculating the absolute indices for VFs */
if (IS_VF(p_hwfn->cdev)) {
@@ -189,6 +214,7 @@ int qed_sp_eth_vport_start(struct qed_hwfn *p_hwfn,
p_ramrod->vport_id = abs_vport_id;
p_ramrod->mtu = cpu_to_le16(p_params->mtu);
+ p_ramrod->handle_ptp_pkts = p_params->handle_ptp_pkts;
p_ramrod->inner_vlan_removal_en = p_params->remove_inner_vlan;
p_ramrod->drop_ttl0_en = p_params->drop_ttl0;
p_ramrod->untagged = p_params->only_untagged;
@@ -248,76 +274,103 @@ static int qed_sp_vport_start(struct qed_hwfn *p_hwfn,
static int
qed_sp_vport_update_rss(struct qed_hwfn *p_hwfn,
struct vport_update_ramrod_data *p_ramrod,
- struct qed_rss_params *p_params)
+ struct qed_rss_params *p_rss)
{
- struct eth_vport_rss_config *rss = &p_ramrod->rss_config;
- u16 abs_l2_queue = 0, capabilities = 0;
- int rc = 0, i;
+ struct eth_vport_rss_config *p_config;
+ u16 capabilities = 0;
+ int i, table_size;
+ int rc = 0;
- if (!p_params) {
+ if (!p_rss) {
p_ramrod->common.update_rss_flg = 0;
return rc;
}
+ p_config = &p_ramrod->rss_config;
- BUILD_BUG_ON(QED_RSS_IND_TABLE_SIZE !=
- ETH_RSS_IND_TABLE_ENTRIES_NUM);
+ BUILD_BUG_ON(QED_RSS_IND_TABLE_SIZE != ETH_RSS_IND_TABLE_ENTRIES_NUM);
- rc = qed_fw_rss_eng(p_hwfn, p_params->rss_eng_id, &rss->rss_id);
+ rc = qed_fw_rss_eng(p_hwfn, p_rss->rss_eng_id, &p_config->rss_id);
if (rc)
return rc;
- p_ramrod->common.update_rss_flg = p_params->update_rss_config;
- rss->update_rss_capabilities = p_params->update_rss_capabilities;
- rss->update_rss_ind_table = p_params->update_rss_ind_table;
- rss->update_rss_key = p_params->update_rss_key;
+ p_ramrod->common.update_rss_flg = p_rss->update_rss_config;
+ p_config->update_rss_capabilities = p_rss->update_rss_capabilities;
+ p_config->update_rss_ind_table = p_rss->update_rss_ind_table;
+ p_config->update_rss_key = p_rss->update_rss_key;
- rss->rss_mode = p_params->rss_enable ?
- ETH_VPORT_RSS_MODE_REGULAR :
- ETH_VPORT_RSS_MODE_DISABLED;
+ p_config->rss_mode = p_rss->rss_enable ?
+ ETH_VPORT_RSS_MODE_REGULAR :
+ ETH_VPORT_RSS_MODE_DISABLED;
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV4));
+ !!(p_rss->rss_caps & QED_RSS_IPV4));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV6));
+ !!(p_rss->rss_caps & QED_RSS_IPV6));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_TCP_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV4_TCP));
+ !!(p_rss->rss_caps & QED_RSS_IPV4_TCP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_TCP_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV6_TCP));
+ !!(p_rss->rss_caps & QED_RSS_IPV6_TCP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV4_UDP_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV4_UDP));
+ !!(p_rss->rss_caps & QED_RSS_IPV4_UDP));
SET_FIELD(capabilities,
ETH_VPORT_RSS_CONFIG_IPV6_UDP_CAPABILITY,
- !!(p_params->rss_caps & QED_RSS_IPV6_UDP));
- rss->tbl_size = p_params->rss_table_size_log;
+ !!(p_rss->rss_caps & QED_RSS_IPV6_UDP));
+ p_config->tbl_size = p_rss->rss_table_size_log;
- rss->capabilities = cpu_to_le16(capabilities);
+ p_config->capabilities = cpu_to_le16(capabilities);
DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
"update rss flag %d, rss_mode = %d, update_caps = %d, capabilities = %d, update_ind = %d, update_rss_key = %d\n",
p_ramrod->common.update_rss_flg,
- rss->rss_mode, rss->update_rss_capabilities,
- capabilities, rss->update_rss_ind_table,
- rss->update_rss_key);
+ p_config->rss_mode,
+ p_config->update_rss_capabilities,
+ p_config->capabilities,
+ p_config->update_rss_ind_table, p_config->update_rss_key);
- for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) {
- rc = qed_fw_l2_queue(p_hwfn,
- (u8)p_params->rss_ind_table[i],
- &abs_l2_queue);
- if (rc)
- return rc;
+ table_size = min_t(int, QED_RSS_IND_TABLE_SIZE,
+ 1 << p_config->tbl_size);
+ for (i = 0; i < table_size; i++) {
+ struct qed_queue_cid *p_queue = p_rss->rss_ind_table[i];
+
+ if (!p_queue)
+ return -EINVAL;
- rss->indirection_table[i] = cpu_to_le16(abs_l2_queue);
- DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP, "i= %d, queue = %d\n",
- i, rss->indirection_table[i]);
+ p_config->indirection_table[i] =
+ cpu_to_le16(p_queue->abs.queue_id);
+ }
+
+ DP_VERBOSE(p_hwfn, NETIF_MSG_IFUP,
+ "Configured RSS indirection table [%d entries]:\n",
+ table_size);
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i += 0x10) {
+ DP_VERBOSE(p_hwfn,
+ NETIF_MSG_IFUP,
+ "%04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x %04x\n",
+ le16_to_cpu(p_config->indirection_table[i]),
+ le16_to_cpu(p_config->indirection_table[i + 1]),
+ le16_to_cpu(p_config->indirection_table[i + 2]),
+ le16_to_cpu(p_config->indirection_table[i + 3]),
+ le16_to_cpu(p_config->indirection_table[i + 4]),
+ le16_to_cpu(p_config->indirection_table[i + 5]),
+ le16_to_cpu(p_config->indirection_table[i + 6]),
+ le16_to_cpu(p_config->indirection_table[i + 7]),
+ le16_to_cpu(p_config->indirection_table[i + 8]),
+ le16_to_cpu(p_config->indirection_table[i + 9]),
+ le16_to_cpu(p_config->indirection_table[i + 10]),
+ le16_to_cpu(p_config->indirection_table[i + 11]),
+ le16_to_cpu(p_config->indirection_table[i + 12]),
+ le16_to_cpu(p_config->indirection_table[i + 13]),
+ le16_to_cpu(p_config->indirection_table[i + 14]),
+ le16_to_cpu(p_config->indirection_table[i + 15]));
}
for (i = 0; i < 10; i++)
- rss->rss_key[i] = cpu_to_le32(p_params->rss_key[i]);
+ p_config->rss_key[i] = cpu_to_le32(p_rss->rss_key[i]);
return rc;
}
@@ -1729,13 +1782,31 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev,
int max_vf_mac_filters = 0;
if (cdev->int_params.out.int_mode == QED_INT_MODE_MSIX) {
- for_each_hwfn(cdev, i)
- info->num_queues +=
- FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
- if (cdev->int_params.fp_msix_cnt)
- info->num_queues =
- min_t(u8, info->num_queues,
- cdev->int_params.fp_msix_cnt);
+ u16 num_queues = 0;
+
+ /* Since the feature controls only queue-zones,
+ * make sure we have the contexts [rx, tx, xdp] to
+ * match.
+ */
+ for_each_hwfn(cdev, i) {
+ struct qed_hwfn *hwfn = &cdev->hwfns[i];
+ u16 l2_queues = (u16)FEAT_NUM(hwfn,
+ QED_PF_L2_QUE);
+ u16 cids;
+
+ cids = hwfn->pf_params.eth_pf_params.num_cons;
+ num_queues += min_t(u16, l2_queues, cids / 3);
+ }
+
+ /* queues might theoretically be >256, but interrupts'
+ * upper-limit guarantes that it would fit in a u8.
+ */
+ if (cdev->int_params.fp_msix_cnt) {
+ u8 irqs = cdev->int_params.fp_msix_cnt;
+
+ info->num_queues = (u8)min_t(u16,
+ num_queues, irqs);
+ }
} else {
info->num_queues = cdev->num_hwfns;
}
@@ -1776,7 +1847,7 @@ static int qed_fill_eth_dev_info(struct qed_dev *cdev,
qed_fill_dev_info(cdev, &info->common);
if (IS_VF(cdev))
- memset(info->common.hw_mac, 0, ETH_ALEN);
+ eth_zero_addr(info->common.hw_mac);
return 0;
}
@@ -1816,6 +1887,7 @@ static int qed_start_vport(struct qed_dev *cdev,
start.drop_ttl0 = params->drop_ttl0;
start.opaque_fid = p_hwfn->hw_info.opaque_fid;
start.concrete_fid = p_hwfn->hw_info.concrete_fid;
+ start.handle_ptp_pkts = params->handle_ptp_pkts;
start.vport_id = params->vport_id;
start.max_buffers_per_cqe = 16;
start.mtu = params->mtu;
@@ -1857,18 +1929,84 @@ static int qed_stop_vport(struct qed_dev *cdev, u8 vport_id)
return 0;
}
+static int qed_update_vport_rss(struct qed_dev *cdev,
+ struct qed_update_vport_rss_params *input,
+ struct qed_rss_params *rss)
+{
+ int i, fn;
+
+ /* Update configuration with what's correct regardless of CMT */
+ rss->update_rss_config = 1;
+ rss->rss_enable = 1;
+ rss->update_rss_capabilities = 1;
+ rss->update_rss_ind_table = 1;
+ rss->update_rss_key = 1;
+ rss->rss_caps = input->rss_caps;
+ memcpy(rss->rss_key, input->rss_key, QED_RSS_KEY_SIZE * sizeof(u32));
+
+ /* In regular scenario, we'd simply need to take input handlers.
+ * But in CMT, we'd have to split the handlers according to the
+ * engine they were configured on. We'd then have to understand
+ * whether RSS is really required, since 2-queues on CMT doesn't
+ * require RSS.
+ */
+ if (cdev->num_hwfns == 1) {
+ memcpy(rss->rss_ind_table,
+ input->rss_ind_table,
+ QED_RSS_IND_TABLE_SIZE * sizeof(void *));
+ rss->rss_table_size_log = 7;
+ return 0;
+ }
+
+ /* Start by copying the non-spcific information to the 2nd copy */
+ memcpy(&rss[1], &rss[0], sizeof(struct qed_rss_params));
+
+ /* CMT should be round-robin */
+ for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) {
+ struct qed_queue_cid *cid = input->rss_ind_table[i];
+ struct qed_rss_params *t_rss;
+
+ if (cid->p_owner == QED_LEADING_HWFN(cdev))
+ t_rss = &rss[0];
+ else
+ t_rss = &rss[1];
+
+ t_rss->rss_ind_table[i / cdev->num_hwfns] = cid;
+ }
+
+ /* Make sure RSS is actually required */
+ for_each_hwfn(cdev, fn) {
+ for (i = 1; i < QED_RSS_IND_TABLE_SIZE / cdev->num_hwfns; i++) {
+ if (rss[fn].rss_ind_table[i] !=
+ rss[fn].rss_ind_table[0])
+ break;
+ }
+ if (i == QED_RSS_IND_TABLE_SIZE / cdev->num_hwfns) {
+ DP_VERBOSE(cdev, NETIF_MSG_IFUP,
+ "CMT - 1 queue per-hwfn; Disabling RSS\n");
+ return -EINVAL;
+ }
+ rss[fn].rss_table_size_log = 6;
+ }
+
+ return 0;
+}
+
static int qed_update_vport(struct qed_dev *cdev,
struct qed_update_vport_params *params)
{
struct qed_sp_vport_update_params sp_params;
- struct qed_rss_params sp_rss_params;
- int rc, i;
+ struct qed_rss_params *rss;
+ int rc = 0, i;
if (!cdev)
return -ENODEV;
+ rss = vzalloc(sizeof(*rss) * cdev->num_hwfns);
+ if (!rss)
+ return -ENOMEM;
+
memset(&sp_params, 0, sizeof(sp_params));
- memset(&sp_rss_params, 0, sizeof(sp_rss_params));
/* Translate protocol params into sp params */
sp_params.vport_id = params->vport_id;
@@ -1882,66 +2020,24 @@ static int qed_update_vport(struct qed_dev *cdev,
sp_params.update_accept_any_vlan_flg =
params->update_accept_any_vlan_flg;
- /* RSS - is a bit tricky, since upper-layer isn't familiar with hwfns.
- * We need to re-fix the rss values per engine for CMT.
- */
- if (cdev->num_hwfns > 1 && params->update_rss_flg) {
- struct qed_update_vport_rss_params *rss = &params->rss_params;
- int k, max = 0;
-
- /* Find largest entry, since it's possible RSS needs to
- * be disabled [in case only 1 queue per-hwfn]
- */
- for (k = 0; k < QED_RSS_IND_TABLE_SIZE; k++)
- max = (max > rss->rss_ind_table[k]) ?
- max : rss->rss_ind_table[k];
-
- /* Either fix RSS values or disable RSS */
- if (cdev->num_hwfns < max + 1) {
- int divisor = (max + cdev->num_hwfns - 1) /
- cdev->num_hwfns;
-
- DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
- "CMT - fixing RSS values (modulo %02x)\n",
- divisor);
-
- for (k = 0; k < QED_RSS_IND_TABLE_SIZE; k++)
- rss->rss_ind_table[k] =
- rss->rss_ind_table[k] % divisor;
- } else {
- DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
- "CMT - 1 queue per-hwfn; Disabling RSS\n");
+ /* Prepare the RSS configuration */
+ if (params->update_rss_flg)
+ if (qed_update_vport_rss(cdev, &params->rss_params, rss))
params->update_rss_flg = 0;
- }
- }
-
- /* Now, update the RSS configuration for actual configuration */
- if (params->update_rss_flg) {
- sp_rss_params.update_rss_config = 1;
- sp_rss_params.rss_enable = 1;
- 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 = 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,
- QED_RSS_IND_TABLE_SIZE * sizeof(u16));
- memcpy(sp_rss_params.rss_key, params->rss_params.rss_key,
- QED_RSS_KEY_SIZE * sizeof(u32));
- sp_params.rss_params = &sp_rss_params;
- }
for_each_hwfn(cdev, i) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
+ if (params->update_rss_flg)
+ sp_params.rss_params = &rss[i];
+
sp_params.opaque_fid = p_hwfn->hw_info.opaque_fid;
rc = qed_sp_vport_update(p_hwfn, &sp_params,
QED_SPQ_MODE_EBLOCK,
NULL);
if (rc) {
DP_ERR(cdev, "Failed to update VPORT\n");
- return rc;
+ goto out;
}
DP_VERBOSE(cdev, (QED_MSG_SPQ | NETIF_MSG_IFUP),
@@ -1950,7 +2046,9 @@ static int qed_update_vport(struct qed_dev *cdev,
params->update_vport_active_flg);
}
- return 0;
+out:
+ vfree(rss);
+ return rc;
}
static int qed_start_rxq(struct qed_dev *cdev,
@@ -2114,11 +2212,14 @@ static int qed_configure_filter_rx_mode(struct qed_dev *cdev,
QED_ACCEPT_MCAST_MATCHED |
QED_ACCEPT_BCAST;
- if (type == QED_FILTER_RX_MODE_TYPE_PROMISC)
+ if (type == QED_FILTER_RX_MODE_TYPE_PROMISC) {
accept_flags.rx_accept_filter |= QED_ACCEPT_UCAST_UNMATCHED |
QED_ACCEPT_MCAST_UNMATCHED;
- else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC)
+ accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED;
+ } else if (type == QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC) {
accept_flags.rx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED;
+ accept_flags.tx_accept_filter |= QED_ACCEPT_MCAST_UNMATCHED;
+ }
return qed_filter_accept_cmd(cdev, 0, accept_flags, false, false,
QED_SPQ_MODE_CB, NULL);
@@ -2229,6 +2330,8 @@ extern const struct qed_iov_hv_ops qed_iov_ops_pass;
extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
#endif
+extern const struct qed_eth_ptp_ops qed_ptp_ops_pass;
+
static const struct qed_eth_ops qed_eth_ops_pass = {
.common = &qed_common_ops_pass,
#ifdef CONFIG_QED_SRIOV
@@ -2237,6 +2340,7 @@ static const struct qed_eth_ops qed_eth_ops_pass = {
#ifdef CONFIG_DCB
.dcb = &qed_dcbnl_ops_pass,
#endif
+ .ptp = &qed_ptp_ops_pass,
.fill_dev_info = &qed_fill_eth_dev_info,
.register_ops = &qed_register_eth_ops,
.check_mac = &qed_check_mac,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.