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path: root/drivers/net/ethernet/google/gve/gve_main.c
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Diffstat (limited to 'drivers/net/ethernet/google/gve/gve_main.c')
-rw-r--r--drivers/net/ethernet/google/gve/gve_main.c392
1 files changed, 164 insertions, 228 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c
index 92237fb0b60c..c3791cf23c87 100644
--- a/drivers/net/ethernet/google/gve/gve_main.c
+++ b/drivers/net/ethernet/google/gve/gve_main.c
@@ -184,6 +184,43 @@ static void gve_free_flow_rule_caches(struct gve_priv *priv)
flow_rules_cache->rules_cache = NULL;
}
+static int gve_alloc_rss_config_cache(struct gve_priv *priv)
+{
+ struct gve_rss_config *rss_config = &priv->rss_config;
+
+ if (!priv->cache_rss_config)
+ return 0;
+
+ rss_config->hash_key = kcalloc(priv->rss_key_size,
+ sizeof(rss_config->hash_key[0]),
+ GFP_KERNEL);
+ if (!rss_config->hash_key)
+ return -ENOMEM;
+
+ rss_config->hash_lut = kcalloc(priv->rss_lut_size,
+ sizeof(rss_config->hash_lut[0]),
+ GFP_KERNEL);
+ if (!rss_config->hash_lut)
+ goto free_rss_key_cache;
+
+ return 0;
+
+free_rss_key_cache:
+ kfree(rss_config->hash_key);
+ rss_config->hash_key = NULL;
+ return -ENOMEM;
+}
+
+static void gve_free_rss_config_cache(struct gve_priv *priv)
+{
+ struct gve_rss_config *rss_config = &priv->rss_config;
+
+ kfree(rss_config->hash_key);
+ kfree(rss_config->hash_lut);
+
+ memset(rss_config, 0, sizeof(*rss_config));
+}
+
static int gve_alloc_counter_array(struct gve_priv *priv)
{
priv->counter_array =
@@ -265,7 +302,7 @@ static void gve_free_stats_report(struct gve_priv *priv)
if (!priv->stats_report)
return;
- del_timer_sync(&priv->stats_report_timer);
+ timer_delete_sync(&priv->stats_report_timer);
dma_free_coherent(&priv->pdev->dev, priv->stats_report_len,
priv->stats_report, priv->stats_report_bus);
priv->stats_report = NULL;
@@ -575,9 +612,12 @@ static int gve_setup_device_resources(struct gve_priv *priv)
err = gve_alloc_flow_rule_caches(priv);
if (err)
return err;
- err = gve_alloc_counter_array(priv);
+ err = gve_alloc_rss_config_cache(priv);
if (err)
goto abort_with_flow_rule_caches;
+ err = gve_alloc_counter_array(priv);
+ if (err)
+ goto abort_with_rss_config_cache;
err = gve_alloc_notify_blocks(priv);
if (err)
goto abort_with_counter;
@@ -611,6 +651,12 @@ static int gve_setup_device_resources(struct gve_priv *priv)
}
}
+ err = gve_init_rss_config(priv, priv->rx_cfg.num_queues);
+ if (err) {
+ dev_err(&priv->pdev->dev, "Failed to init RSS config");
+ goto abort_with_ptype_lut;
+ }
+
err = gve_adminq_report_stats(priv, priv->stats_report_len,
priv->stats_report_bus,
GVE_STATS_REPORT_TIMER_PERIOD);
@@ -629,6 +675,8 @@ abort_with_ntfy_blocks:
gve_free_notify_blocks(priv);
abort_with_counter:
gve_free_counter_array(priv);
+abort_with_rss_config_cache:
+ gve_free_rss_config_cache(priv);
abort_with_flow_rule_caches:
gve_free_flow_rule_caches(priv);
@@ -669,6 +717,7 @@ static void gve_teardown_device_resources(struct gve_priv *priv)
priv->ptype_lut_dqo = NULL;
gve_free_flow_rule_caches(priv);
+ gve_free_rss_config_cache(priv);
gve_free_counter_array(priv);
gve_free_notify_blocks(priv);
gve_free_stats_report(priv);
@@ -746,30 +795,13 @@ static struct gve_queue_page_list *gve_rx_get_qpl(struct gve_priv *priv, int idx
return rx->dqo.qpl;
}
-static int gve_register_xdp_qpls(struct gve_priv *priv)
-{
- int start_id;
- int err;
- int i;
-
- start_id = gve_xdp_tx_start_queue_id(priv);
- for (i = start_id; i < start_id + gve_num_xdp_qpls(priv); i++) {
- err = gve_register_qpl(priv, gve_tx_get_qpl(priv, i));
- /* This failure will trigger a reset - no need to clean up */
- if (err)
- return err;
- }
- return 0;
-}
-
static int gve_register_qpls(struct gve_priv *priv)
{
int num_tx_qpls, num_rx_qpls;
int err;
int i;
- num_tx_qpls = gve_num_tx_qpls(&priv->tx_cfg, gve_num_xdp_qpls(priv),
- gve_is_qpl(priv));
+ num_tx_qpls = gve_num_tx_qpls(&priv->tx_cfg, gve_is_qpl(priv));
num_rx_qpls = gve_num_rx_qpls(&priv->rx_cfg, gve_is_qpl(priv));
for (i = 0; i < num_tx_qpls; i++) {
@@ -787,30 +819,13 @@ static int gve_register_qpls(struct gve_priv *priv)
return 0;
}
-static int gve_unregister_xdp_qpls(struct gve_priv *priv)
-{
- int start_id;
- int err;
- int i;
-
- start_id = gve_xdp_tx_start_queue_id(priv);
- for (i = start_id; i < start_id + gve_num_xdp_qpls(priv); i++) {
- err = gve_unregister_qpl(priv, gve_tx_get_qpl(priv, i));
- /* This failure will trigger a reset - no need to clean */
- if (err)
- return err;
- }
- return 0;
-}
-
static int gve_unregister_qpls(struct gve_priv *priv)
{
int num_tx_qpls, num_rx_qpls;
int err;
int i;
- num_tx_qpls = gve_num_tx_qpls(&priv->tx_cfg, gve_num_xdp_qpls(priv),
- gve_is_qpl(priv));
+ num_tx_qpls = gve_num_tx_qpls(&priv->tx_cfg, gve_is_qpl(priv));
num_rx_qpls = gve_num_rx_qpls(&priv->rx_cfg, gve_is_qpl(priv));
for (i = 0; i < num_tx_qpls; i++) {
@@ -829,27 +844,6 @@ static int gve_unregister_qpls(struct gve_priv *priv)
return 0;
}
-static int gve_create_xdp_rings(struct gve_priv *priv)
-{
- int err;
-
- err = gve_adminq_create_tx_queues(priv,
- gve_xdp_tx_start_queue_id(priv),
- priv->num_xdp_queues);
- if (err) {
- netif_err(priv, drv, priv->dev, "failed to create %d XDP tx queues\n",
- priv->num_xdp_queues);
- /* This failure will trigger a reset - no need to clean
- * up
- */
- return err;
- }
- netif_dbg(priv, drv, priv->dev, "created %d XDP tx queues\n",
- priv->num_xdp_queues);
-
- return 0;
-}
-
static int gve_create_rings(struct gve_priv *priv)
{
int num_tx_queues = gve_num_tx_queues(priv);
@@ -905,7 +899,7 @@ static void init_xdp_sync_stats(struct gve_priv *priv)
int i;
/* Init stats */
- for (i = start_id; i < start_id + priv->num_xdp_queues; i++) {
+ for (i = start_id; i < start_id + priv->tx_cfg.num_xdp_queues; i++) {
int ntfy_idx = gve_tx_idx_to_ntfy(priv, i);
u64_stats_init(&priv->tx[i].statss);
@@ -930,24 +924,21 @@ static void gve_init_sync_stats(struct gve_priv *priv)
static void gve_tx_get_curr_alloc_cfg(struct gve_priv *priv,
struct gve_tx_alloc_rings_cfg *cfg)
{
- int num_xdp_queues = priv->xdp_prog ? priv->rx_cfg.num_queues : 0;
-
cfg->qcfg = &priv->tx_cfg;
cfg->raw_addressing = !gve_is_qpl(priv);
cfg->ring_size = priv->tx_desc_cnt;
- cfg->start_idx = 0;
- cfg->num_rings = priv->tx_cfg.num_queues + num_xdp_queues;
+ cfg->num_xdp_rings = cfg->qcfg->num_xdp_queues;
cfg->tx = priv->tx;
}
-static void gve_tx_stop_rings(struct gve_priv *priv, int start_id, int num_rings)
+static void gve_tx_stop_rings(struct gve_priv *priv, int num_rings)
{
int i;
if (!priv->tx)
return;
- for (i = start_id; i < start_id + num_rings; i++) {
+ for (i = 0; i < num_rings; i++) {
if (gve_is_gqi(priv))
gve_tx_stop_ring_gqi(priv, i);
else
@@ -955,12 +946,11 @@ static void gve_tx_stop_rings(struct gve_priv *priv, int start_id, int num_rings
}
}
-static void gve_tx_start_rings(struct gve_priv *priv, int start_id,
- int num_rings)
+static void gve_tx_start_rings(struct gve_priv *priv, int num_rings)
{
int i;
- for (i = start_id; i < start_id + num_rings; i++) {
+ for (i = 0; i < num_rings; i++) {
if (gve_is_gqi(priv))
gve_tx_start_ring_gqi(priv, i);
else
@@ -968,28 +958,6 @@ static void gve_tx_start_rings(struct gve_priv *priv, int start_id,
}
}
-static int gve_alloc_xdp_rings(struct gve_priv *priv)
-{
- struct gve_tx_alloc_rings_cfg cfg = {0};
- int err = 0;
-
- if (!priv->num_xdp_queues)
- return 0;
-
- gve_tx_get_curr_alloc_cfg(priv, &cfg);
- cfg.start_idx = gve_xdp_tx_start_queue_id(priv);
- cfg.num_rings = priv->num_xdp_queues;
-
- err = gve_tx_alloc_rings_gqi(priv, &cfg);
- if (err)
- return err;
-
- gve_tx_start_rings(priv, cfg.start_idx, cfg.num_rings);
- init_xdp_sync_stats(priv);
-
- return 0;
-}
-
static int gve_queues_mem_alloc(struct gve_priv *priv,
struct gve_tx_alloc_rings_cfg *tx_alloc_cfg,
struct gve_rx_alloc_rings_cfg *rx_alloc_cfg)
@@ -1020,26 +988,6 @@ free_tx:
return err;
}
-static int gve_destroy_xdp_rings(struct gve_priv *priv)
-{
- int start_id;
- int err;
-
- start_id = gve_xdp_tx_start_queue_id(priv);
- err = gve_adminq_destroy_tx_queues(priv,
- start_id,
- priv->num_xdp_queues);
- if (err) {
- netif_err(priv, drv, priv->dev,
- "failed to destroy XDP queues\n");
- /* This failure will trigger a reset - no need to clean up */
- return err;
- }
- netif_dbg(priv, drv, priv->dev, "destroyed XDP queues\n");
-
- return 0;
-}
-
static int gve_destroy_rings(struct gve_priv *priv)
{
int num_tx_queues = gve_num_tx_queues(priv);
@@ -1064,20 +1012,6 @@ static int gve_destroy_rings(struct gve_priv *priv)
return 0;
}
-static void gve_free_xdp_rings(struct gve_priv *priv)
-{
- struct gve_tx_alloc_rings_cfg cfg = {0};
-
- gve_tx_get_curr_alloc_cfg(priv, &cfg);
- cfg.start_idx = gve_xdp_tx_start_queue_id(priv);
- cfg.num_rings = priv->num_xdp_queues;
-
- if (priv->tx) {
- gve_tx_stop_rings(priv, cfg.start_idx, cfg.num_rings);
- gve_tx_free_rings_gqi(priv, &cfg);
- }
-}
-
static void gve_queues_mem_free(struct gve_priv *priv,
struct gve_tx_alloc_rings_cfg *tx_cfg,
struct gve_rx_alloc_rings_cfg *rx_cfg)
@@ -1204,7 +1138,7 @@ static int gve_reg_xdp_info(struct gve_priv *priv, struct net_device *dev)
int i, j;
u32 tx_qid;
- if (!priv->num_xdp_queues)
+ if (!priv->tx_cfg.num_xdp_queues)
return 0;
for (i = 0; i < priv->rx_cfg.num_queues; i++) {
@@ -1215,8 +1149,14 @@ static int gve_reg_xdp_info(struct gve_priv *priv, struct net_device *dev)
napi->napi_id);
if (err)
goto err;
- err = xdp_rxq_info_reg_mem_model(&rx->xdp_rxq,
- MEM_TYPE_PAGE_SHARED, NULL);
+ if (gve_is_qpl(priv))
+ err = xdp_rxq_info_reg_mem_model(&rx->xdp_rxq,
+ MEM_TYPE_PAGE_SHARED,
+ NULL);
+ else
+ err = xdp_rxq_info_reg_mem_model(&rx->xdp_rxq,
+ MEM_TYPE_PAGE_POOL,
+ rx->dqo.page_pool);
if (err)
goto err;
rx->xsk_pool = xsk_get_pool_from_qid(dev, i);
@@ -1234,7 +1174,7 @@ static int gve_reg_xdp_info(struct gve_priv *priv, struct net_device *dev)
}
}
- for (i = 0; i < priv->num_xdp_queues; i++) {
+ for (i = 0; i < priv->tx_cfg.num_xdp_queues; i++) {
tx_qid = gve_xdp_tx_queue_id(priv, i);
priv->tx[tx_qid].xsk_pool = xsk_get_pool_from_qid(dev, i);
}
@@ -1255,7 +1195,7 @@ static void gve_unreg_xdp_info(struct gve_priv *priv)
{
int i, tx_qid;
- if (!priv->num_xdp_queues)
+ if (!priv->tx_cfg.num_xdp_queues || !priv->rx || !priv->tx)
return;
for (i = 0; i < priv->rx_cfg.num_queues; i++) {
@@ -1268,7 +1208,7 @@ static void gve_unreg_xdp_info(struct gve_priv *priv)
}
}
- for (i = 0; i < priv->num_xdp_queues; i++) {
+ for (i = 0; i < priv->tx_cfg.num_xdp_queues; i++) {
tx_qid = gve_xdp_tx_queue_id(priv, i);
priv->tx[tx_qid].xsk_pool = NULL;
}
@@ -1285,15 +1225,14 @@ static void gve_drain_page_cache(struct gve_priv *priv)
static void gve_rx_get_curr_alloc_cfg(struct gve_priv *priv,
struct gve_rx_alloc_rings_cfg *cfg)
{
- cfg->qcfg = &priv->rx_cfg;
+ cfg->qcfg_rx = &priv->rx_cfg;
cfg->qcfg_tx = &priv->tx_cfg;
cfg->raw_addressing = !gve_is_qpl(priv);
cfg->enable_header_split = priv->header_split_enabled;
cfg->ring_size = priv->rx_desc_cnt;
- cfg->packet_buffer_size = gve_is_gqi(priv) ?
- GVE_DEFAULT_RX_BUFFER_SIZE :
- priv->data_buffer_size_dqo;
+ cfg->packet_buffer_size = priv->rx_cfg.packet_buffer_size;
cfg->rx = priv->rx;
+ cfg->xdp = !!cfg->qcfg_tx->num_xdp_queues;
}
void gve_get_curr_alloc_cfgs(struct gve_priv *priv,
@@ -1366,17 +1305,13 @@ static int gve_queues_start(struct gve_priv *priv,
/* Record new configs into priv */
priv->tx_cfg = *tx_alloc_cfg->qcfg;
- priv->rx_cfg = *rx_alloc_cfg->qcfg;
+ priv->tx_cfg.num_xdp_queues = tx_alloc_cfg->num_xdp_rings;
+ priv->rx_cfg = *rx_alloc_cfg->qcfg_rx;
priv->tx_desc_cnt = tx_alloc_cfg->ring_size;
priv->rx_desc_cnt = rx_alloc_cfg->ring_size;
- if (priv->xdp_prog)
- priv->num_xdp_queues = priv->rx_cfg.num_queues;
- else
- priv->num_xdp_queues = 0;
-
- gve_tx_start_rings(priv, 0, tx_alloc_cfg->num_rings);
- gve_rx_start_rings(priv, rx_alloc_cfg->qcfg->num_queues);
+ gve_tx_start_rings(priv, gve_num_tx_queues(priv));
+ gve_rx_start_rings(priv, rx_alloc_cfg->qcfg_rx->num_queues);
gve_init_sync_stats(priv);
err = netif_set_real_num_tx_queues(dev, priv->tx_cfg.num_queues);
@@ -1390,12 +1325,18 @@ static int gve_queues_start(struct gve_priv *priv,
if (err)
goto stop_and_free_rings;
+ if (rx_alloc_cfg->reset_rss) {
+ err = gve_init_rss_config(priv, priv->rx_cfg.num_queues);
+ if (err)
+ goto reset;
+ }
+
err = gve_register_qpls(priv);
if (err)
goto reset;
priv->header_split_enabled = rx_alloc_cfg->enable_header_split;
- priv->data_buffer_size_dqo = rx_alloc_cfg->packet_buffer_size;
+ priv->rx_cfg.packet_buffer_size = rx_alloc_cfg->packet_buffer_size;
err = gve_create_rings(priv);
if (err)
@@ -1422,7 +1363,7 @@ reset:
/* return the original error */
return err;
stop_and_free_rings:
- gve_tx_stop_rings(priv, 0, gve_num_tx_queues(priv));
+ gve_tx_stop_rings(priv, gve_num_tx_queues(priv));
gve_rx_stop_rings(priv, priv->rx_cfg.num_queues);
gve_queues_mem_remove(priv);
return err;
@@ -1467,11 +1408,11 @@ static int gve_queues_stop(struct gve_priv *priv)
goto err;
gve_clear_device_rings_ok(priv);
}
- del_timer_sync(&priv->stats_report_timer);
+ timer_delete_sync(&priv->stats_report_timer);
gve_unreg_xdp_info(priv);
- gve_tx_stop_rings(priv, 0, gve_num_tx_queues(priv));
+ gve_tx_stop_rings(priv, gve_num_tx_queues(priv));
gve_rx_stop_rings(priv, priv->rx_cfg.num_queues);
priv->interface_down_cnt++;
@@ -1501,56 +1442,6 @@ static int gve_close(struct net_device *dev)
return 0;
}
-static int gve_remove_xdp_queues(struct gve_priv *priv)
-{
- int err;
-
- err = gve_destroy_xdp_rings(priv);
- if (err)
- return err;
-
- err = gve_unregister_xdp_qpls(priv);
- if (err)
- return err;
-
- gve_unreg_xdp_info(priv);
- gve_free_xdp_rings(priv);
-
- priv->num_xdp_queues = 0;
- return 0;
-}
-
-static int gve_add_xdp_queues(struct gve_priv *priv)
-{
- int err;
-
- priv->num_xdp_queues = priv->rx_cfg.num_queues;
-
- err = gve_alloc_xdp_rings(priv);
- if (err)
- goto err;
-
- err = gve_reg_xdp_info(priv, priv->dev);
- if (err)
- goto free_xdp_rings;
-
- err = gve_register_xdp_qpls(priv);
- if (err)
- goto free_xdp_rings;
-
- err = gve_create_xdp_rings(priv);
- if (err)
- goto free_xdp_rings;
-
- return 0;
-
-free_xdp_rings:
- gve_free_xdp_rings(priv);
-err:
- priv->num_xdp_queues = 0;
- return err;
-}
-
static void gve_handle_link_status(struct gve_priv *priv, bool link_status)
{
if (!gve_get_napi_enabled(priv))
@@ -1568,6 +1459,19 @@ static void gve_handle_link_status(struct gve_priv *priv, bool link_status)
}
}
+static int gve_configure_rings_xdp(struct gve_priv *priv,
+ u16 num_xdp_rings)
+{
+ struct gve_tx_alloc_rings_cfg tx_alloc_cfg = {0};
+ struct gve_rx_alloc_rings_cfg rx_alloc_cfg = {0};
+
+ gve_get_curr_alloc_cfgs(priv, &tx_alloc_cfg, &rx_alloc_cfg);
+ tx_alloc_cfg.num_xdp_rings = num_xdp_rings;
+
+ rx_alloc_cfg.xdp = !!num_xdp_rings;
+ return gve_adjust_config(priv, &tx_alloc_cfg, &rx_alloc_cfg);
+}
+
static int gve_set_xdp(struct gve_priv *priv, struct bpf_prog *prog,
struct netlink_ext_ack *extack)
{
@@ -1580,29 +1484,26 @@ static int gve_set_xdp(struct gve_priv *priv, struct bpf_prog *prog,
WRITE_ONCE(priv->xdp_prog, prog);
if (old_prog)
bpf_prog_put(old_prog);
+
+ /* Update priv XDP queue configuration */
+ priv->tx_cfg.num_xdp_queues = priv->xdp_prog ?
+ priv->rx_cfg.num_queues : 0;
return 0;
}
- gve_turndown(priv);
- if (!old_prog && prog) {
- // Allocate XDP TX queues if an XDP program is
- // being installed
- err = gve_add_xdp_queues(priv);
- if (err)
- goto out;
- } else if (old_prog && !prog) {
- // Remove XDP TX queues if an XDP program is
- // being uninstalled
- err = gve_remove_xdp_queues(priv);
- if (err)
- goto out;
- }
+ if (!old_prog && prog)
+ err = gve_configure_rings_xdp(priv, priv->rx_cfg.num_queues);
+ else if (old_prog && !prog)
+ err = gve_configure_rings_xdp(priv, 0);
+
+ if (err)
+ goto out;
+
WRITE_ONCE(priv->xdp_prog, prog);
if (old_prog)
bpf_prog_put(old_prog);
out:
- gve_turnup(priv);
status = ioread32be(&priv->reg_bar0->device_status);
gve_handle_link_status(priv, GVE_DEVICE_STATUS_LINK_STATUS_MASK & status);
return err;
@@ -1736,6 +1637,7 @@ static int gve_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags)
static int verify_xdp_configuration(struct net_device *dev)
{
struct gve_priv *priv = netdev_priv(dev);
+ u16 max_xdp_mtu;
if (dev->features & NETIF_F_LRO) {
netdev_warn(dev, "XDP is not supported when LRO is on.\n");
@@ -1748,7 +1650,11 @@ static int verify_xdp_configuration(struct net_device *dev)
return -EOPNOTSUPP;
}
- if (dev->mtu > GVE_DEFAULT_RX_BUFFER_SIZE - sizeof(struct ethhdr) - GVE_RX_PAD) {
+ max_xdp_mtu = priv->rx_cfg.packet_buffer_size - sizeof(struct ethhdr);
+ if (priv->queue_format == GVE_GQI_QPL_FORMAT)
+ max_xdp_mtu -= GVE_RX_PAD;
+
+ if (dev->mtu > max_xdp_mtu) {
netdev_warn(dev, "XDP is not supported for mtu %d.\n",
dev->mtu);
return -EOPNOTSUPP;
@@ -1786,6 +1692,26 @@ static int gve_xdp(struct net_device *dev, struct netdev_bpf *xdp)
}
}
+int gve_init_rss_config(struct gve_priv *priv, u16 num_queues)
+{
+ struct gve_rss_config *rss_config = &priv->rss_config;
+ struct ethtool_rxfh_param rxfh = {0};
+ u16 i;
+
+ if (!priv->cache_rss_config)
+ return 0;
+
+ for (i = 0; i < priv->rss_lut_size; i++)
+ rss_config->hash_lut[i] =
+ ethtool_rxfh_indir_default(i, num_queues);
+
+ netdev_rss_key_fill(rss_config->hash_key, priv->rss_key_size);
+
+ rxfh.hfunc = ETH_RSS_HASH_TOP;
+
+ return gve_adminq_configure_rss(priv, &rxfh);
+}
+
int gve_flow_rules_reset(struct gve_priv *priv)
{
if (!priv->max_flow_rules)
@@ -1833,12 +1759,12 @@ int gve_adjust_config(struct gve_priv *priv,
}
int gve_adjust_queues(struct gve_priv *priv,
- struct gve_queue_config new_rx_config,
- struct gve_queue_config new_tx_config)
+ struct gve_rx_queue_config new_rx_config,
+ struct gve_tx_queue_config new_tx_config,
+ bool reset_rss)
{
struct gve_tx_alloc_rings_cfg tx_alloc_cfg = {0};
struct gve_rx_alloc_rings_cfg rx_alloc_cfg = {0};
- int num_xdp_queues;
int err;
gve_get_curr_alloc_cfgs(priv, &tx_alloc_cfg, &rx_alloc_cfg);
@@ -1846,18 +1772,19 @@ int gve_adjust_queues(struct gve_priv *priv,
/* Relay the new config from ethtool */
tx_alloc_cfg.qcfg = &new_tx_config;
rx_alloc_cfg.qcfg_tx = &new_tx_config;
- rx_alloc_cfg.qcfg = &new_rx_config;
- tx_alloc_cfg.num_rings = new_tx_config.num_queues;
-
- /* Add dedicated XDP TX queues if enabled. */
- num_xdp_queues = priv->xdp_prog ? new_rx_config.num_queues : 0;
- tx_alloc_cfg.num_rings += num_xdp_queues;
+ rx_alloc_cfg.qcfg_rx = &new_rx_config;
+ rx_alloc_cfg.reset_rss = reset_rss;
if (netif_running(priv->dev)) {
err = gve_adjust_config(priv, &tx_alloc_cfg, &rx_alloc_cfg);
return err;
}
/* Set the config for the next up. */
+ if (reset_rss) {
+ err = gve_init_rss_config(priv, new_rx_config.num_queues);
+ if (err)
+ return err;
+ }
priv->tx_cfg = new_tx_config;
priv->rx_cfg = new_rx_config;
@@ -1886,7 +1813,7 @@ static void gve_turndown(struct gve_priv *priv)
netif_queue_set_napi(priv->dev, idx,
NETDEV_QUEUE_TYPE_TX, NULL);
- napi_disable(&block->napi);
+ napi_disable_locked(&block->napi);
}
for (idx = 0; idx < priv->rx_cfg.num_queues; idx++) {
int ntfy_idx = gve_rx_idx_to_ntfy(priv, idx);
@@ -1897,7 +1824,7 @@ static void gve_turndown(struct gve_priv *priv)
netif_queue_set_napi(priv->dev, idx, NETDEV_QUEUE_TYPE_RX,
NULL);
- napi_disable(&block->napi);
+ napi_disable_locked(&block->napi);
}
/* Stop tx queues */
@@ -1927,7 +1854,7 @@ static void gve_turnup(struct gve_priv *priv)
if (!gve_tx_was_added_to_block(priv, idx))
continue;
- napi_enable(&block->napi);
+ napi_enable_locked(&block->napi);
if (idx < priv->tx_cfg.num_queues)
netif_queue_set_napi(priv->dev, idx,
@@ -1955,7 +1882,7 @@ static void gve_turnup(struct gve_priv *priv)
if (!gve_rx_was_added_to_block(priv, idx))
continue;
- napi_enable(&block->napi);
+ napi_enable_locked(&block->napi);
netif_queue_set_napi(priv->dev, idx, NETDEV_QUEUE_TYPE_RX,
&block->napi);
@@ -1974,7 +1901,7 @@ static void gve_turnup(struct gve_priv *priv)
napi_schedule(&block->napi);
}
- if (priv->num_xdp_queues && gve_supports_xdp_xmit(priv))
+ if (priv->tx_cfg.num_xdp_queues && gve_supports_xdp_xmit(priv))
xdp_features_set_redirect_target(priv->dev, false);
gve_set_napi_enabled(priv);
@@ -2150,7 +2077,9 @@ static void gve_handle_reset(struct gve_priv *priv)
if (gve_get_do_reset(priv)) {
rtnl_lock();
+ netdev_lock(priv->dev);
gve_reset(priv, false);
+ netdev_unlock(priv->dev);
rtnl_unlock();
}
}
@@ -2330,6 +2259,7 @@ static int gve_init_priv(struct gve_priv *priv, bool skip_describe_device)
priv->rx_cfg.num_queues = min_t(int, priv->default_num_queues,
priv->rx_cfg.num_queues);
}
+ priv->tx_cfg.num_xdp_queues = 0;
dev_info(&priv->pdev->dev, "TX queues %d, RX queues %d\n",
priv->tx_cfg.num_queues, priv->rx_cfg.num_queues);
@@ -2710,7 +2640,7 @@ static int gve_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
priv->service_task_flags = 0x0;
priv->state_flags = 0x0;
priv->ethtool_flags = 0x0;
- priv->data_buffer_size_dqo = GVE_DEFAULT_RX_BUFFER_SIZE;
+ priv->rx_cfg.packet_buffer_size = GVE_DEFAULT_RX_BUFFER_SIZE;
priv->max_rx_buffer_size = GVE_DEFAULT_RX_BUFFER_SIZE;
gve_set_probe_in_progress(priv);
@@ -2786,6 +2716,7 @@ static void gve_shutdown(struct pci_dev *pdev)
bool was_up = netif_running(priv->dev);
rtnl_lock();
+ netdev_lock(netdev);
if (was_up && gve_close(priv->dev)) {
/* If the dev was up, attempt to close, if close fails, reset */
gve_reset_and_teardown(priv, was_up);
@@ -2793,6 +2724,7 @@ static void gve_shutdown(struct pci_dev *pdev)
/* If the dev wasn't up or close worked, finish tearing down */
gve_teardown_priv_resources(priv);
}
+ netdev_unlock(netdev);
rtnl_unlock();
}
@@ -2805,6 +2737,7 @@ static int gve_suspend(struct pci_dev *pdev, pm_message_t state)
priv->suspend_cnt++;
rtnl_lock();
+ netdev_lock(netdev);
if (was_up && gve_close(priv->dev)) {
/* If the dev was up, attempt to close, if close fails, reset */
gve_reset_and_teardown(priv, was_up);
@@ -2813,6 +2746,7 @@ static int gve_suspend(struct pci_dev *pdev, pm_message_t state)
gve_teardown_priv_resources(priv);
}
priv->up_before_suspend = was_up;
+ netdev_unlock(netdev);
rtnl_unlock();
return 0;
}
@@ -2825,7 +2759,9 @@ static int gve_resume(struct pci_dev *pdev)
priv->resume_cnt++;
rtnl_lock();
+ netdev_lock(netdev);
err = gve_reset_recovery(priv, priv->up_before_suspend);
+ netdev_unlock(netdev);
rtnl_unlock();
return err;
}