Date: Fri, 30 Oct 2015 07:16:06 -0700 From: Adrian Chadd <adrian.chadd@gmail.com> To: Eugene Grosbein <eugen@grosbein.net> Cc: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: Re: arge1 on TL WDR3600 Message-ID: <CAJ-VmonZuxq%2BnDp4j177DCww_6deYxQxSzki-JdntUBHdXwW=w@mail.gmail.com> In-Reply-To: <CAJ-VmomZD=Q=vasZQvRc%2B7%2BLzr_iqkyc7i8ukcvi_-tH%2BfWXbA@mail.gmail.com> References: <562CBEC3.8030308@rdtc.ru> <CAJ-Vmok__9mD8OaFnU-sfVfr=xMRMW6-nfDUHScT_LNm6Ry2iA@mail.gmail.com> <562E3027.4020806@grosbein.net> <CAJ-VmonRt6OVOQDGLZBx-4OxbGgzcetuKtBf3eB-6yn3m-EEsQ@mail.gmail.com> <562F75E2.9000505@grosbein.net> <CAJ-VmomocPQ=%2BjKYt8bsLHEWjT1vz=37U_yNB3YMsmxz__5qVw@mail.gmail.com> <CAJ-Vmo=BRP-vyg5=7cyA9v9c_cDjo6Ozv0SLmNj3RZGCKjLYAg@mail.gmail.com> <CAJ-VmokD2vHZ0%2BzO655_csRQw==JUDbaBCDMa%2BU7b1aRv=4BJQ@mail.gmail.com> <5630E844.2080807@grosbein.net> <CAJ-VmonH%2BVfT1zUyAq=fXv6PbwQuiw1_k4CRw1yMgfm6CRaAwA@mail.gmail.com> <CAJ-VmomjWOccaaVyPrGBrf7ACL8KGGOuuFo1QWw02%2BM9smVGFA@mail.gmail.com> <56321ED9.4050602@grosbein.net> <CAJ-Vmom1Tagn6WL-qfNZ7xqPznrLygB6JzMMJdyLU=ROybnEGA@mail.gmail.com> <56323496.609@grosbein.net> <CAJ-Vmond--pm8-rjn55qD8thjneaNiL0eV89Opd1u8p%2BK3BF3w@mail.gmail.com> <56325769.8070202@grosbein.net> <CAJ-Vmo=iD1TdWdPU91TdKL8oW42C_fXUODeigTj55_xJF86AvA@mail.gmail.com> <56328C54.1050709@grosbein.net> <56328DB1.9010105@grosbein.net> <CAJ-VmomZD=Q=vasZQvRc%2B7%2BLzr_iqkyc7i8ukcvi_-tH%2BfWXbA@mail.gmail.com>
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Hiya,
Would you mind testing out this patch? I want to see if this makes any
difference. :-)
Thanks!
adrian@victoria:~/work/freebsd/head-embedded/src/sys/mips/atheros %
svn diff if_argevar.h
Index: if_argevar.h
===================================================================
--- if_argevar.h (revision 290090)
+++ if_argevar.h (working copy)
@@ -101,11 +101,16 @@
#define ARGE_DESC_MORE (1 << 24)
#define ARGE_DESC_SIZE_MASK ((1 << 12) - 1)
#define ARGE_DMASIZE(len) ((len) & ARGE_DESC_SIZE_MASK)
+
+/*
+ * Pad each descriptor out to a cache line (32 bytes.)
+ */
struct arge_desc {
uint32_t packet_addr;
uint32_t packet_ctrl;
uint32_t next_desc;
uint32_t padding;
+ uint32_t padding2[4];
};
struct arge_txdesc {
-adrian
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