net/sfc/base: expand on comment on number of queues field

Expand on comment on RSS_CONTEXT_ALLOC_IN_NUM_QUEUES field.

Signed-off-by: Mark Spender <mspender@solarflare.com>
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

diff --git a/drivers/net/sfc/base/ef10_rx.c b/drivers/net/sfc/base/ef10_rx.c
index 5cf5910..9b0e1ee 100644 (file)
--- a/drivers/net/sfc/base/ef10_rx.c
+++ b/drivers/net/sfc/base/ef10_rx.c
@@ -217,7 +217,13 @@ efx_mcdi_rss_context_alloc(
        MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
            EVB_PORT_ID_ASSIGNED);
        MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE, context_type);
-       /* NUM_QUEUES is only used to validate indirection table offsets */
+
+       /*
+        * For exclusive contexts, NUM_QUEUES is only used to validate
+        * indirection table offsets.
+        * For shared contexts, the provided context will spread traffic over
+        * NUM_QUEUES many queues.
+        */
        MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
 
        efx_mcdi_execute(enp, &req);