svn commit: r340807 - head/sys/dev/sfxge/common
Andrew Rybchenko
arybchik at FreeBSD.org
Fri Nov 23 09:15:15 UTC 2018
Author: arybchik
Date: Fri Nov 23 09:15:08 2018
New Revision: 340807
URL: https://svnweb.freebsd.org/changeset/base/340807
Log:
sfxge(4): add the max number of RSS exclusive contexts
The patch adds enc_rx_scale_max_exclusive_contexts member
to nic_cfg_t structure and sets the corresponding values
for Siena, Huntington and Medford
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18077
Modified:
head/sys/dev/sfxge/common/efx.h
head/sys/dev/sfxge/common/hunt_nic.c
head/sys/dev/sfxge/common/medford_nic.c
head/sys/dev/sfxge/common/siena_nic.c
Modified: head/sys/dev/sfxge/common/efx.h
==============================================================================
--- head/sys/dev/sfxge/common/efx.h Fri Nov 23 09:14:57 2018 (r340806)
+++ head/sys/dev/sfxge/common/efx.h Fri Nov 23 09:15:08 2018 (r340807)
@@ -1134,6 +1134,7 @@ typedef struct efx_nic_cfg_s {
uint32_t enc_rx_prefix_size;
uint32_t enc_rx_buf_align_start;
uint32_t enc_rx_buf_align_end;
+ uint32_t enc_rx_scale_max_exclusive_contexts;
#if EFSYS_OPT_LOOPBACK
efx_qword_t enc_loopback_types[EFX_LINK_NMODES];
#endif /* EFSYS_OPT_LOOPBACK */
Modified: head/sys/dev/sfxge/common/hunt_nic.c
==============================================================================
--- head/sys/dev/sfxge/common/hunt_nic.c Fri Nov 23 09:14:57 2018 (r340806)
+++ head/sys/dev/sfxge/common/hunt_nic.c Fri Nov 23 09:15:08 2018 (r340807)
@@ -304,6 +304,13 @@ hunt_board_cfg(
/* Alignment for WPTR updates */
encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
+ /*
+ * Maximum number of exclusive RSS contexts which can be allocated. The
+ * hardware supports 64, but 6 are reserved for shared contexts. They
+ * are a global resource so not all may be available.
+ */
+ encp->enc_rx_scale_max_exclusive_contexts = 58;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
/* No boundary crossing limits */
encp->enc_tx_dma_desc_boundary = 0;
Modified: head/sys/dev/sfxge/common/medford_nic.c
==============================================================================
--- head/sys/dev/sfxge/common/medford_nic.c Fri Nov 23 09:14:57 2018 (r340806)
+++ head/sys/dev/sfxge/common/medford_nic.c Fri Nov 23 09:15:08 2018 (r340807)
@@ -301,6 +301,13 @@ medford_board_cfg(
/* Alignment for WPTR updates */
encp->enc_rx_push_align = EF10_RX_WPTR_ALIGN;
+ /*
+ * Maximum number of exclusive RSS contexts which can be allocated. The
+ * hardware supports 64, but 6 are reserved for shared contexts. They
+ * are a global resource so not all may be available.
+ */
+ encp->enc_rx_scale_max_exclusive_contexts = 58;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(ESF_DZ_RX_KER_BYTE_CNT);
/* No boundary crossing limits */
encp->enc_tx_dma_desc_boundary = 0;
Modified: head/sys/dev/sfxge/common/siena_nic.c
==============================================================================
--- head/sys/dev/sfxge/common/siena_nic.c Fri Nov 23 09:14:57 2018 (r340806)
+++ head/sys/dev/sfxge/common/siena_nic.c Fri Nov 23 09:15:08 2018 (r340807)
@@ -140,6 +140,9 @@ siena_board_cfg(
/* Alignment for WPTR updates */
encp->enc_rx_push_align = 1;
+ /* There is one RSS context per function */
+ encp->enc_rx_scale_max_exclusive_contexts = 1;
+
encp->enc_tx_dma_desc_size_max = EFX_MASK32(FSF_AZ_TX_KER_BYTE_COUNT);
/* Fragments must not span 4k boundaries. */
encp->enc_tx_dma_desc_boundary = 4096;
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