summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c10
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c42
2 files changed, 47 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 8078618ce1b6..70335f6e8524 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3507,6 +3507,16 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
new_rx = ch->combined_count + ch->rx_count;
new_tx = ch->combined_count + ch->tx_count;
+ if (new_rx < vsi->tc_cfg.numtc) {
+ netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
+ vsi->tc_cfg.numtc);
+ return -EINVAL;
+ }
+ if (new_tx < vsi->tc_cfg.numtc) {
+ netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
+ vsi->tc_cfg.numtc);
+ return -EINVAL;
+ }
if (new_rx > ice_get_max_rxq(pf)) {
netdev_err(dev, "Maximum allowed Rx channels is %d\n",
ice_get_max_rxq(pf));
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 454e01ae09b9..f7f9c973ec54 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -909,7 +909,7 @@ static void ice_set_dflt_vsi_ctx(struct ice_hw *hw, struct ice_vsi_ctx *ctxt)
* @vsi: the VSI being configured
* @ctxt: VSI context structure
*/
-static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
+static int ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
{
u16 offset = 0, qmap = 0, tx_count = 0, pow = 0;
u16 num_txq_per_tc, num_rxq_per_tc;
@@ -982,7 +982,18 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
else
vsi->num_rxq = num_rxq_per_tc;
+ if (vsi->num_rxq > vsi->alloc_rxq) {
+ dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n",
+ vsi->num_rxq, vsi->alloc_rxq);
+ return -EINVAL;
+ }
+
vsi->num_txq = tx_count;
+ if (vsi->num_txq > vsi->alloc_txq) {
+ dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n",
+ vsi->num_txq, vsi->alloc_txq);
+ return -EINVAL;
+ }
if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) {
dev_dbg(ice_pf_to_dev(vsi->back), "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n");
@@ -1000,6 +1011,8 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
*/
ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
+
+ return 0;
}
/**
@@ -1187,7 +1200,10 @@ static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi)
if (vsi->type == ICE_VSI_CHNL) {
ice_chnl_vsi_setup_q_map(vsi, ctxt);
} else {
- ice_vsi_setup_q_map(vsi, ctxt);
+ ret = ice_vsi_setup_q_map(vsi, ctxt);
+ if (ret)
+ goto out;
+
if (!init_vsi) /* means VSI being updated */
/* must to indicate which section of VSI context are
* being modified
@@ -3464,7 +3480,7 @@ void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc)
*
* Prepares VSI tc_config to have queue configurations based on MQPRIO options.
*/
-static void
+static int
ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt,
u8 ena_tc)
{
@@ -3513,7 +3529,18 @@ ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt,
/* Set actual Tx/Rx queue pairs */
vsi->num_txq = offset + qcount_tx;
+ if (vsi->num_txq > vsi->alloc_txq) {
+ dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n",
+ vsi->num_txq, vsi->alloc_txq);
+ return -EINVAL;
+ }
+
vsi->num_rxq = offset + qcount_rx;
+ if (vsi->num_rxq > vsi->alloc_rxq) {
+ dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n",
+ vsi->num_rxq, vsi->alloc_rxq);
+ return -EINVAL;
+ }
/* Setup queue TC[0].qmap for given VSI context */
ctxt->info.tc_mapping[0] = cpu_to_le16(qmap);
@@ -3531,6 +3558,8 @@ ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt,
dev_dbg(ice_pf_to_dev(vsi->back), "vsi->num_rxq = %d\n", vsi->num_rxq);
dev_dbg(ice_pf_to_dev(vsi->back), "all_numtc %u, all_enatc: 0x%04x, tc_cfg.numtc %u\n",
vsi->all_numtc, vsi->all_enatc, vsi->tc_cfg.numtc);
+
+ return 0;
}
/**
@@ -3580,9 +3609,12 @@ int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
if (vsi->type == ICE_VSI_PF &&
test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
- ice_vsi_setup_q_map_mqprio(vsi, ctx, ena_tc);
+ ret = ice_vsi_setup_q_map_mqprio(vsi, ctx, ena_tc);
else
- ice_vsi_setup_q_map(vsi, ctx);
+ ret = ice_vsi_setup_q_map(vsi, ctx);
+
+ if (ret)
+ goto out;
/* must to indicate which section of VSI context are being modified */
ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID);