net/sfc: use zero RSS channels as disabled RSS indicator

[dpdk.git] / drivers / net / sfc / sfc_rx.c

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 9f512d9..664b38d 100644 (file)
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -577,7 +577,7 @@ sfc_rx_qflush(struct sfc_adapter *sa, unsigned int sw_index)
 static int
 sfc_rx_default_rxq_set_filter(struct sfc_adapter *sa, struct sfc_rxq *rxq)
 {
-       boolean_t rss = (sa->rss_channels > 1) ? B_TRUE : B_FALSE;
+       boolean_t rss = (sa->rss_channels > 0) ? B_TRUE : B_FALSE;
        struct sfc_port *port = &sa->port;
        int rc;
 
@@ -1052,7 +1052,7 @@ sfc_rx_rss_config(struct sfc_adapter *sa)
        int rc = 0;
 
 #if EFSYS_OPT_RX_SCALE
-       if (sa->rss_channels > 1) {
+       if (sa->rss_channels > 0) {
                rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
                                           sa->rss_hash_types, B_TRUE);
                if (rc != 0)
@@ -1289,9 +1289,9 @@ sfc_rx_configure(struct sfc_adapter *sa)
 
 #if EFSYS_OPT_RX_SCALE
        sa->rss_channels = (dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ?
-                          MIN(sa->rxq_count, EFX_MAXRSS) : 1;
+                          MIN(sa->rxq_count, EFX_MAXRSS) : 0;
 
-       if (sa->rss_channels > 1) {
+       if (sa->rss_channels > 0) {
                for (sw_index = 0; sw_index < EFX_RSS_TBL_SIZE; ++sw_index)
                        sa->rss_tbl[sw_index] = sw_index % sa->rss_channels;
        }