svn commit: r340812 - head/sys/dev/sfxge/common

[Andrew Rybchenko]

Author: arybchik
Date: Fri Nov 23 09:16:07 2018
New Revision: 340812
URL: https://svnweb.freebsd.org/changeset/base/340812

Log:
  sfxge(4): add RSS key size define
  
  Submitted by:   Ivan Malov <ivan.malov at oktetlabs.ru>
  Sponsored by:   Solarflare Communications, Inc.
  Differential Revision:  https://reviews.freebsd.org/D18082

Modified:
  head/sys/dev/sfxge/common/ef10_rx.c
  head/sys/dev/sfxge/common/efx.h

Modified: head/sys/dev/sfxge/common/ef10_rx.c
==============================================================================
--- head/sys/dev/sfxge/common/ef10_rx.c	Fri Nov 23 09:15:56 2018	(r340811)
+++ head/sys/dev/sfxge/common/ef10_rx.c	Fri Nov 23 09:16:07 2018	(r340812)
@@ -588,6 +588,9 @@ ef10_rx_scale_key_set(
 {
 	efx_rc_t rc;
 
+	EFX_STATIC_ASSERT(EFX_RSS_KEY_SIZE ==
+	    MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
+
 	if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
 		if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
 			rc = ENOTSUP;

Modified: head/sys/dev/sfxge/common/efx.h
==============================================================================
--- head/sys/dev/sfxge/common/efx.h	Fri Nov 23 09:15:56 2018	(r340811)
+++ head/sys/dev/sfxge/common/efx.h	Fri Nov 23 09:16:07 2018	(r340812)
@@ -1912,6 +1912,7 @@ typedef enum efx_rx_hash_support_e {
 	EFX_RX_HASH_AVAILABLE		/* Insert hash with/without RSS */
 } efx_rx_hash_support_t;
 
+#define	EFX_RSS_KEY_SIZE	40	/* RSS key size (bytes) */
 #define	EFX_RSS_TBL_SIZE	128	/* Rows in RX indirection table */
 #define	EFX_MAXRSS		64	/* RX indirection entry range */
 #define	EFX_MAXRSS_LEGACY	16	/* See bug16611 and bug17213 */