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| author | np <np@FreeBSD.org> | 2013-07-31 05:12:51 +0000 |
|---|---|---|
| committer | np <np@FreeBSD.org> | 2013-07-31 05:12:51 +0000 |
| commit | 4b06c1288c00dae75b7ea88bd5dd3bbf185bb4e1 (patch) | |
| tree | 5202406369594dd72aa7217236adf1c50d75ba29 | |
| parent | f1fd54caa14224e6b972e0f1a44b447925d82613 (diff) | |
| download | FreeBSD-src-4b06c1288c00dae75b7ea88bd5dd3bbf185bb4e1.zip FreeBSD-src-4b06c1288c00dae75b7ea88bd5dd3bbf185bb4e1.tar.gz | |
Display SGE tunables in the sysctl tree.
dev.t5nex.0.fl_pktshift: payload DMA offset in rx buffer (bytes)
dev.t5nex.0.fl_pad: payload pad boundary (bytes)
dev.t5nex.0.spg_len: status page size (bytes)
dev.t5nex.0.cong_drop: congestion drop setting
Discussed with: scottl
| -rw-r--r-- | sys/dev/cxgbe/adapter.h | 2 | ||||
| -rw-r--r-- | sys/dev/cxgbe/t4_main.c | 2 | ||||
| -rw-r--r-- | sys/dev/cxgbe/t4_sge.c | 18 |
3 files changed, 22 insertions, 0 deletions
diff --git a/sys/dev/cxgbe/adapter.h b/sys/dev/cxgbe/adapter.h index 442baf5..2d118c4 100644 --- a/sys/dev/cxgbe/adapter.h +++ b/sys/dev/cxgbe/adapter.h @@ -801,6 +801,8 @@ void t4_init_sge_cpl_handlers(struct adapter *); void t4_tweak_chip_settings(struct adapter *); int t4_read_chip_settings(struct adapter *); int t4_create_dma_tag(struct adapter *); +void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *, + struct sysctl_oid_list *); int t4_destroy_dma_tag(struct adapter *); int t4_setup_adapter_queues(struct adapter *); int t4_teardown_adapter_queues(struct adapter *); diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 6c6c59c..1bdb4df 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -4223,6 +4223,8 @@ t4_sysctls(struct adapter *sc) SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nfilters", CTLFLAG_RD, NULL, sc->tids.nftids, "number of filters"); + t4_sge_sysctls(sc, ctx, children); + #ifdef SBUF_DRAIN /* * dev.t4nex.X.misc. Marked CTLFLAG_SKIP to avoid information overload. diff --git a/sys/dev/cxgbe/t4_sge.c b/sys/dev/cxgbe/t4_sge.c index f78a170..2a7d058 100644 --- a/sys/dev/cxgbe/t4_sge.c +++ b/sys/dev/cxgbe/t4_sge.c @@ -498,6 +498,24 @@ t4_create_dma_tag(struct adapter *sc) return (rc); } +void +t4_sge_sysctls(struct adapter *sc, struct sysctl_ctx_list *ctx, + struct sysctl_oid_list *children) +{ + + SYSCTL_ADD_INT(ctx, children, OID_AUTO, "fl_pktshift", CTLFLAG_RD, + NULL, fl_pktshift, "payload DMA offset in rx buffer (bytes)"); + + SYSCTL_ADD_INT(ctx, children, OID_AUTO, "fl_pad", CTLFLAG_RD, + NULL, fl_pad, "payload pad boundary (bytes)"); + + SYSCTL_ADD_INT(ctx, children, OID_AUTO, "spg_len", CTLFLAG_RD, + NULL, spg_len, "status page size (bytes)"); + + SYSCTL_ADD_INT(ctx, children, OID_AUTO, "cong_drop", CTLFLAG_RD, + NULL, cong_drop, "congestion drop setting"); +} + int t4_destroy_dma_tag(struct adapter *sc) { |
