Date: Mon, 9 Jan 2012 19:18:53 +0000 (UTC) From: Pyun YongHyeon <yongari@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r229867 - stable/9/sys/dev/bge Message-ID: <201201091918.q09JIrpk054457@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: yongari Date: Mon Jan 9 19:18:53 2012 New Revision: 229867 URL: http://svn.freebsd.org/changeset/base/229867 Log: MFC r228479-228480: r228479: BCM5720 performance tweak from Broadcom. o Allow multiple outstanding read requests from non-LSO read DMA engine. o Allow 4KB burst length reads for non-LSO frames. o Enable 512B burst length reads for buffer descriptors. r228480: Destroy DMA tag for jumbo RX buffer in device detach. Modified: stable/9/sys/dev/bge/if_bge.c stable/9/sys/dev/bge/if_bgereg.h Directory Properties: stable/9/sys/ (props changed) stable/9/sys/amd64/include/xen/ (props changed) stable/9/sys/boot/ (props changed) stable/9/sys/boot/i386/efi/ (props changed) stable/9/sys/boot/ia64/efi/ (props changed) stable/9/sys/boot/ia64/ski/ (props changed) stable/9/sys/boot/powerpc/boot1.chrp/ (props changed) stable/9/sys/boot/powerpc/ofw/ (props changed) stable/9/sys/cddl/contrib/opensolaris/ (props changed) stable/9/sys/conf/ (props changed) stable/9/sys/contrib/dev/acpica/ (props changed) stable/9/sys/contrib/octeon-sdk/ (props changed) stable/9/sys/contrib/pf/ (props changed) stable/9/sys/contrib/x86emu/ (props changed) Modified: stable/9/sys/dev/bge/if_bge.c ============================================================================== --- stable/9/sys/dev/bge/if_bge.c Mon Jan 9 19:10:11 2012 (r229866) +++ stable/9/sys/dev/bge/if_bge.c Mon Jan 9 19:18:53 2012 (r229867) @@ -2080,9 +2080,15 @@ bge_blockinit(struct bge_softc *sc) val |= BGE_RDMAMODE_TSO6_ENABLE; } - if (sc->bge_asicrev == BGE_ASICREV_BCM5720) + if (sc->bge_asicrev == BGE_ASICREV_BCM5720) { val |= CSR_READ_4(sc, BGE_RDMA_MODE) & BGE_RDMAMODE_H2BNC_VLAN_DET; + /* + * Allow multiple outstanding read requests from + * non-LSO read DMA engine. + */ + val &= ~BGE_RDMAMODE_MULT_DMA_RD_DIS; + } if (sc->bge_asicrev == BGE_ASICREV_BCM5761 || sc->bge_asicrev == BGE_ASICREV_BCM5784 || @@ -2112,12 +2118,20 @@ bge_blockinit(struct bge_softc *sc) BGE_RDMA_RSRVCTRL_FIFO_OFLW_FIX); } - if (sc->bge_asicrev == BGE_ASICREV_BCM5719 || - sc->bge_asicrev == BGE_ASICREV_BCM5720) { + if (sc->bge_asicrev == BGE_ASICREV_BCM5719) { CSR_WRITE_4(sc, BGE_RDMA_LSO_CRPTEN_CTRL, CSR_READ_4(sc, BGE_RDMA_LSO_CRPTEN_CTRL) | BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_BD_4K | BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_LSO_4K); + } else if (sc->bge_asicrev == BGE_ASICREV_BCM5720) { + /* + * Allow 4KB burst length reads for non-LSO frames. + * Enable 512B burst length reads for buffer descriptors. + */ + CSR_WRITE_4(sc, BGE_RDMA_LSO_CRPTEN_CTRL, + CSR_READ_4(sc, BGE_RDMA_LSO_CRPTEN_CTRL) | + BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_BD_512 | + BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_LSO_4K); } CSR_WRITE_4(sc, BGE_RDMA_MODE, val); @@ -2344,6 +2358,8 @@ bge_dma_free(struct bge_softc *sc) if (sc->bge_cdata.bge_rx_mtag) bus_dma_tag_destroy(sc->bge_cdata.bge_rx_mtag); + if (sc->bge_cdata.bge_mtag_jumbo) + bus_dma_tag_destroy(sc->bge_cdata.bge_mtag_jumbo); if (sc->bge_cdata.bge_tx_mtag) bus_dma_tag_destroy(sc->bge_cdata.bge_tx_mtag); Modified: stable/9/sys/dev/bge/if_bgereg.h ============================================================================== --- stable/9/sys/dev/bge/if_bgereg.h Mon Jan 9 19:10:11 2012 (r229866) +++ stable/9/sys/dev/bge/if_bgereg.h Mon Jan 9 19:18:53 2012 (r229867) @@ -1573,6 +1573,7 @@ #define BGE_RDMA_RSRVCTRL_FIFO_HWM_MASK 0x000FF000 #define BGE_RDMA_RSRVCTRL_TXMRGN_MASK 0xFFE00000 +#define BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_BD_512 0x00020000 #define BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_BD_4K 0x00030000 #define BGE_RDMA_LSO_CRPTEN_CTRL_BLEN_LSO_4K 0x000C0000
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201201091918.q09JIrpk054457>