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; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
